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Baran</title> <meta name="description" content="Search results for: Evrim Baran"> <meta name="keywords" content="Evrim Baran"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="Evrim Baran" name="q" aria-label="Search"> <button class="btn btn-light my-2 my-sm-0" type="submit"><i class="fas fa-search"></i></button> </form> </div> <div class="collapse navbar-collapse mt-1" id="navbarMenu"> <ul class="navbar-nav ml-auto align-items-center" id="mainNavMenu"> <li class="nav-item"> <a class="nav-link" href="https://waset.org/conferences" title="Conferences in 2024/2025/2026">Conferences</a> </li> <li class="nav-item"> <a class="nav-link" href="https://waset.org/disciplines" title="Disciplines">Disciplines</a> </li> <li 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Evrim Baran"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 32</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Evrim Baran</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">32</span> Problems Encountered during the Education Process in Hakkari</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mukadder%20Baran">Mukadder Baran</a>, <a href="https://publications.waset.org/abstracts/search?q=Medine%20Baran%20T%C3%BCrkan"> Medine Baran Türkan</a>, <a href="https://publications.waset.org/abstracts/search?q=G%C3%BClbeyaz%20Baran%20Durmaz"> Gülbeyaz Baran Durmaz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this work is to collect and evaluate the thoughts about Hakkari's education system of the highschool pupils of the city of Hakkari. To this end, semi-directed questionnaire forms were used. The samples of this work are made up of 24 pupils studying at four different highschools. In order to analyze the data collected, the content analysis method was used. According to the results of this work, the following factors bear an influence on the conditions of education in Hakkari: political environment, feudal resources, family, teacher, geographic conditions, social environment, transportation, difficulties related to economic resources or the access to information. Proceeding from these results, we believe that the bettermen of the conditions of education in Hakkari will improve the pupils' level of achievement. In turn, the rise in educational levels will lay the ground for a more effective participation in democratic processes. In this manner, the rise in educational level will result in a progress in society and ensure the more active participation of individuals in the socio-economic process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=economic%20resources" title="economic resources">economic resources</a>, <a href="https://publications.waset.org/abstracts/search?q=education" title=" education"> education</a>, <a href="https://publications.waset.org/abstracts/search?q=political%20environment" title=" political environment"> political environment</a>, <a href="https://publications.waset.org/abstracts/search?q=poverty" title=" poverty"> poverty</a> </p> <a href="https://publications.waset.org/abstracts/24899/problems-encountered-during-the-education-process-in-hakkari" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/24899.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">463</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">31</span> Teacher Professional Development Programs on K-12 Engineering Education: A Systematic Review of the Literature</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Canan%20Mesutoglu">Canan Mesutoglu</a>, <a href="https://publications.waset.org/abstracts/search?q=Evrim%20Baran"> Evrim Baran</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Teachers have a prominent role in facilitating the place of engineering in K-12 classrooms. This study addresses the need to understand how teacher professional development programs focusing on K-12 engineering education can be designed and delivered more effectively. A systematic review of the literature on such programs can offer possible ideas and recommendations. The purpose of this study is to systematically synthesize the peer-reviewed articles published on K-12 engineering education teacher professional development programs. The methodology that guided the study was comprised of four phases: search, selection, coding, and synthesis. The search phase included articles published in the time period between 2000 and 2016. With a comprehensive search in databases, inclusion criteria were applied. This was followed by evaluation of the quality of articles with a checklist, and finally analysis of the results. The results revealed two categories of themes. These were 1) five themes related to the overarching agenda of the PD programs, and 2) five themes related to the instructional techniques of the PD programs. Finally, core elements were generated to guide the design and delivery of teacher PD programs for K-12 engineering education. The results aimed to provide a conceptual basis for future research and practice on teacher PD programs for K-12 engineering education. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=core%20elements" title="core elements">core elements</a>, <a href="https://publications.waset.org/abstracts/search?q=K-12%20engineering%20education" title=" K-12 engineering education"> K-12 engineering education</a>, <a href="https://publications.waset.org/abstracts/search?q=systematic%20literature%20review" title=" systematic literature review"> systematic literature review</a>, <a href="https://publications.waset.org/abstracts/search?q=teacher%20professional%20development%20programs" title=" teacher professional development programs"> teacher professional development programs</a> </p> <a href="https://publications.waset.org/abstracts/65553/teacher-professional-development-programs-on-k-12-engineering-education-a-systematic-review-of-the-literature" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/65553.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">323</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">30</span> The Investigation of Women Civil Engineers’ Identity Development through the Lens of Recognition Theory</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hasan%20Sungur">Hasan Sungur</a>, <a href="https://publications.waset.org/abstracts/search?q=Evrim%20Baran"> Evrim Baran</a>, <a href="https://publications.waset.org/abstracts/search?q=Benjamin%20Ahn"> Benjamin Ahn</a>, <a href="https://publications.waset.org/abstracts/search?q=Aliye%20Karabulut%20Ilgu"> Aliye Karabulut Ilgu</a>, <a href="https://publications.waset.org/abstracts/search?q=Chris%20Rehmann"> Chris Rehmann</a>, <a href="https://publications.waset.org/abstracts/search?q=Cassandra%20Rutherford"> Cassandra Rutherford</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Engineering identity contributes to the professional and educational persistence of women engineers. A crucial factor contributing to the development of the engineering identity is recognition. Those without adequate recognition often do not succeed in positively building their identities. This research draws on Honneth’s recognition theory to identify factors impacting women civil engineers’ feelings of recognition as civil engineers. A survey was composed and distributed to 330 female alumni who graduated from the Department of Civil, Construction, and Environmental Engineering at Iowa State University in the last ten years. The survey items include demographics, perceptions of the identity of civil engineering, and factors that influence the recognition of civil engineering identities, such as views of society and family. Descriptive analysis of the survey responses revealed that the perceptions of civil engineering varied widely. Participants’ definitions of civil engineering included the terms: construction, design, and infrastructure. Almost half of the participants reported that the major reason to study civil engineering was their interest in the subject matter, and most reported that they were proud to be civil engineers. Many study participants reported that their parents see them as civil engineers. Treatment of institutions and the workplace were also considered as having a significant impact on the recognition of women civil engineers. Almost half of the participants reported that they felt isolated or ignored at work because of their gender. This research emphasizes the importance of recognition for the development of the civil engineering identity of women <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=civil%20engineering" title="civil engineering">civil engineering</a>, <a href="https://publications.waset.org/abstracts/search?q=gender" title=" gender"> gender</a>, <a href="https://publications.waset.org/abstracts/search?q=identity" title=" identity"> identity</a>, <a href="https://publications.waset.org/abstracts/search?q=recognition" title=" recognition"> recognition</a> </p> <a href="https://publications.waset.org/abstracts/140906/the-investigation-of-women-civil-engineers-identity-development-through-the-lens-of-recognition-theory" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/140906.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">255</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">29</span> An Investigation on Physics Teachers’ Views Towards Context Based Learning Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Medine%20Baran">Medine Baran</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdulkadir%20Maskan"> Abdulkadir Maskan</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehmet%20Ikbal%20Yeti%C5%9Fir"> Mehmet Ikbal Yetişir</a>, <a href="https://publications.waset.org/abstracts/search?q=Mukadder%20Baran"> Mukadder Baran</a>, <a href="https://publications.waset.org/abstracts/search?q=Azmi%20T%C3%BCrkan"> Azmi Türkan</a>, <a href="https://publications.waset.org/abstracts/search?q=%C5%9Eeyma%20Ya%C5%9Far"> Şeyma Yaşar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this study was to determine the views of physics teachers from several secondary schools in Turkey towards context-based learning approach. In the study, the context-based learning opinion questionnaire developed by the researchers for use as the data collection tool was piloted with 250 physics teachers. The questionnaire examined by the researchers and field experts was initially made up of 53 items. Following the evaluation process of the questionnaire, it included 37 items. In this way, the reliability and validity process of the measurement tool was completed. In the end, the finalized questionnaire was applied to 144 physics teachers from several secondary schools in different cities in Turkey (F:73, M:71). In the study, the participants were determined based on ease of reaching them. The results revealed no remarkable difference between the views of the physics teachers with respect to their gender, region and school. However, when the items in the questionnaire were considered, it was found that the participants interestingly agreed on some of the choices in the items. Depending on this, it was found that there were high levels of differences between the frequencies of those who agreed and those who disagreed with the 16 items in the questionnaire. Therefore, as the following phase of the present study, further research has been planned using the same questions. Based on these questions, which received opposite responses, physics teachers will be asked for their views about the results of the study using the interview technique, one of qualitative research techniques. In this way, the results will be evaluated both by the researchers and by the participants, and the problems and difficulties will be determined. As a result, related suggestions can be put forward. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=context%20bases%20learning" title="context bases learning">context bases learning</a>, <a href="https://publications.waset.org/abstracts/search?q=physics%20teachers" title=" physics teachers"> physics teachers</a>, <a href="https://publications.waset.org/abstracts/search?q=views" title=" views"> views</a> </p> <a href="https://publications.waset.org/abstracts/26758/an-investigation-on-physics-teachers-views-towards-context-based-learning-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26758.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">373</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">28</span> Effect of Personality Traits on Classification of Political Orientation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vesile%20Evrim">Vesile Evrim</a>, <a href="https://publications.waset.org/abstracts/search?q=Aliyu%20Awwal"> Aliyu Awwal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Today as in the other domains, there are an enormous number of political transcripts available in the Web which is waiting to be mined and used for various purposes such as statistics and recommendations. Therefore, automatically determining the political orientation on these transcripts becomes crucial. The methodologies used by machine learning algorithms to do the automatic classification are based on different features such as Linguistic. Considering the ideology differences between Liberals and Conservatives, in this paper, the effect of Personality Traits on political orientation classification is studied. This is done by considering the correlation between LIWC features and the BIG Five Personality Traits. Several experiments are conducted on Convote U.S. Congressional-Speech dataset with seven benchmark classification algorithms. The different methodologies are applied on selecting different feature sets that constituted by 8 to 64 varying number of features. While Neuroticism is obtained to be the most differentiating personality trait on classification of political polarity, when its top 10 representative features are combined with several classification algorithms, it outperformed the results presented in previous research. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=politics" title="politics">politics</a>, <a href="https://publications.waset.org/abstracts/search?q=personality%20traits" title=" personality traits"> personality traits</a>, <a href="https://publications.waset.org/abstracts/search?q=LIWC" title=" LIWC"> LIWC</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a> </p> <a href="https://publications.waset.org/abstracts/27676/effect-of-personality-traits-on-classification-of-political-orientation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27676.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">495</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">27</span> Comparison Study on Characterization of Various Fly Ashes for Heavy Metal Adsorption</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=E.%20Moroydor%20Derun">E. Moroydor Derun</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Tugrul"> N. Tugrul</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Baran%20Acarali"> N. Baran Acarali</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20S.%20Kipcak"> A. S. Kipcak</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Piskin"> S. Piskin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fly ash is a waste material of coal firing thermal plants that is released from thermal power plants. It was defined as very fine particles that are drifted upward which are taken up by the flue gases. The emerging amount of fly ash in the world is approximately 600 million tons per year. In our country, it is expected that will be occurred 50 million tons of waste ash per year until 2020. The fly ashes can be evaluated by using as adsorbent material. The purpose of this study is to investigate the possibility of use of various fly ashes (Tuncbilek, Catalagzi, Orhaneli) like low-cost adsorbents for heavy metal adsorption. First of all, fly ashes were characterized. For this purpose; analyses such as XRD, XRF, SEM and FT-IR were performed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adsorbent" title="adsorbent">adsorbent</a>, <a href="https://publications.waset.org/abstracts/search?q=fly%20ash" title=" fly ash"> fly ash</a>, <a href="https://publications.waset.org/abstracts/search?q=heavy%20metal" title=" heavy metal"> heavy metal</a>, <a href="https://publications.waset.org/abstracts/search?q=waste" title=" waste"> waste</a> </p> <a href="https://publications.waset.org/abstracts/16417/comparison-study-on-characterization-of-various-fly-ashes-for-heavy-metal-adsorption" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16417.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">259</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">26</span> Classification of Political Affiliations by Reduced Number of Features</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vesile%20Evrim">Vesile Evrim</a>, <a href="https://publications.waset.org/abstracts/search?q=Aliyu%20Awwal"> Aliyu Awwal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> By the evolvement in technology, the way of expressing opinions switched the direction to the digital world. The domain of politics as one of the hottest topics of opinion mining research merged together with the behavior analysis for affiliation determination in text which constitutes the subject of this paper. This study aims to classify the text in news/blogs either as Republican or Democrat with the minimum number of features. As an initial set, 68 features which 64 are constituted by Linguistic Inquiry and Word Count (LIWC) features are tested against 14 benchmark classification algorithms. In the later experiments, the dimensions of the feature vector reduced based on the 7 feature selection algorithms. The results show that Decision Tree, Rule Induction and M5 Rule classifiers when used with SVM and IGR feature selection algorithms performed the best up to 82.5% accuracy on a given dataset. Further tests on a single feature and the linguistic based feature sets showed the similar results. The feature “function” as an aggregate feature of the linguistic category, is obtained as the most differentiating feature among the 68 features with 81% accuracy by itself in classifying articles either as Republican or Democrat. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=feature%20selection" title="feature selection">feature selection</a>, <a href="https://publications.waset.org/abstracts/search?q=LIWC" title=" LIWC"> LIWC</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=politics" title=" politics"> politics</a> </p> <a href="https://publications.waset.org/abstracts/27684/classification-of-political-affiliations-by-reduced-number-of-features" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27684.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">383</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">25</span> The Cadmium Adsorption Study by Using Seyitomer Fly Ash, Diatomite and Molasses in Wastewater</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=N.%20Tugrul">N. Tugrul</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Moroydor%20Derun"> E. Moroydor Derun</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Cinar"> E. Cinar</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20S.%20Kipcak"> A. S. Kipcak</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Baran%20Acarali"> N. Baran Acarali</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Piskin"> S. Piskin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fly ash is an important waste, produced in thermal power plants which causes very important environmental pollutions. For this reason the usage and evaluation the fly ash in various areas are very important. Nearly, 15 million tons/year of fly ash is produced in Turkey. In this study, usage of fly ash with diatomite and molasses for heavy metal (Cd) adsorption from wastewater is investigated. The samples of Seyitomer region fly ash were analyzed by X-ray fluorescence (XRF) and Scanning Electron Microscope (SEM) then diatomite (0 and 1% in terms of fly ash, w/w) and molasses (0-0.75 mL) were pelletized under 30 MPa of pressure for the usage of cadmium (Cd) adsorption in wastewater. After the adsorption process, samples of Seyitomer were analyzed using Optical Emission Spectroscopy (ICP-OES). As a result, it is seen that the usage of Seyitomer fly ash is proper for cadmium (Cd) adsorption and an optimum adsorption yield with 52% is found at a compound with Seyitomer fly ash (10 g), diatomite (0.5 g) and molasses (0.75 mL) at 2.5 h of reaction time, pH:4, 20ºC of reaction temperature and 300 rpm of stirring rate. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=heavy%20metal" title="heavy metal">heavy metal</a>, <a href="https://publications.waset.org/abstracts/search?q=fly%20ash" title=" fly ash"> fly ash</a>, <a href="https://publications.waset.org/abstracts/search?q=molasses" title=" molasses"> molasses</a>, <a href="https://publications.waset.org/abstracts/search?q=diatomite" title=" diatomite"> diatomite</a>, <a href="https://publications.waset.org/abstracts/search?q=adsorption" title=" adsorption"> adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=wastewater" title=" wastewater"> wastewater</a> </p> <a href="https://publications.waset.org/abstracts/12464/the-cadmium-adsorption-study-by-using-seyitomer-fly-ash-diatomite-and-molasses-in-wastewater" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/12464.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">305</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">24</span> Cellulose Supported Heterogeneous Pd(II) Catalyst for Synthesis of Biaryls</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Talat%20Baran">Talat Baran</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Suzuki C(sp2)-C(sp2) coupling reaction is considered to be one of the best ways for the synthesis of biaryl compounds. There are many studies reporting the catalytic performance of palladium catalyst in Suzuki coupling reactions. Natural biopolymer (such as zeolite, carbon, silica, and chitosan) supporting catalysts have been lately attracted interest because of their low-cost, nontoxicity, and eco-friendliness. One of the most important natural biopolymer is cellulose, which is widely considered as an eco-friendly biopolymer due to its biodegradable, non-toxic and renewable nature. In this study, (1) cellulose supported Pd(II) catalyst was synthesized (2) its chemical structure was characterized by FT-IR, SEM/EDAX, XRD, TG-DTG, ICP-OES techniques (3) to investigate the performance of the catalyst in Suzuki coupling reactions by using microwave irradiation technique (4) reusability of the catalyst was done under optimum conditions. This cellulose supported Pd(II) catalyst exhibited high selectivity and efficiency in Suzuki coupling reactions under mild conditions (50°C). High TON and TOF values were recorded for the catalyst. Also, the reusability tests showed the catalysts could be used for several times in consequence of reusability tests. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=palladium" title="palladium">palladium</a>, <a href="https://publications.waset.org/abstracts/search?q=cellulose" title=" cellulose"> cellulose</a>, <a href="https://publications.waset.org/abstracts/search?q=Schiff%20base" title=" Schiff base"> Schiff base</a>, <a href="https://publications.waset.org/abstracts/search?q=reusability" title=" reusability"> reusability</a> </p> <a href="https://publications.waset.org/abstracts/54022/cellulose-supported-heterogeneous-pdii-catalyst-for-synthesis-of-biaryls" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54022.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">252</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">23</span> Prospective Teachers’ Comments on Both Students’ Misconceptions and Their</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mihriban%20Hacisaliho%C4%9Flu%20Karadeniz">Mihriban Hacisalihoğlu Karadeniz</a>, <a href="https://publications.waset.org/abstracts/search?q=Figen%20Bozku%C5%9F"> Figen Bozkuş</a>, <a href="https://publications.waset.org/abstracts/search?q=Tu%C4%9Fba%20Baran"> Tuğba Baran</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%9Cmit%20Akar"> Ümit Akar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Creating the correct symmetry of conceptual knowledge about students, conceptual information about the symmetry of the instructors is important. However, teachers’, the students should be aware of the existing misconceptions and be able to develop strategies to correct these misconceptions. In this study, the purpose, the prospective teachers’, the students’ explanations for corrections of misconceptions and misconceptions were asked to be introduced. The working group during the 2012-2013 academic year, Kocaeli University Faculty of Education Mathematics Education consists of studying at the twenty-six prospective teachers. The study adopted a qualitative approach. The data prepared by the researchers were obtained with an open-ended test. As a result of analysis of the data, prospective with teaching the concept of symmetry observed in more developed practical solutions. These solutions are focused on the method, students utilization mirrors, paper folding, such as using a square piece of registration of events. Prospective teachers’ who think this way, students observed that overlooked the creation of conceptual knowledge. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=symmetry%20concepts" title="symmetry concepts">symmetry concepts</a>, <a href="https://publications.waset.org/abstracts/search?q=misconceptions" title=" misconceptions"> misconceptions</a>, <a href="https://publications.waset.org/abstracts/search?q=elementary%20mathematics" title=" elementary mathematics"> elementary mathematics</a>, <a href="https://publications.waset.org/abstracts/search?q=prospective%20teachers-students" title=" prospective teachers-students"> prospective teachers-students</a> </p> <a href="https://publications.waset.org/abstracts/1995/prospective-teachers-comments-on-both-students-misconceptions-and-their" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1995.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">352</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">22</span> SEM Image Classification Using CNN Architectures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=G%C3%BCzi%CC%87n%20Ti%CC%87rke%C5%9F">Güzi̇n Ti̇rkeş</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%96zge%20Teki%CC%87n"> Özge Teki̇n</a>, <a href="https://publications.waset.org/abstracts/search?q=Kerem%20Kurtulu%C5%9F"> Kerem Kurtuluş</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20Yekta%20Yurtseven"> Y. Yekta Yurtseven</a>, <a href="https://publications.waset.org/abstracts/search?q=Murat%20Baran"> Murat Baran</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A scanning electron microscope (SEM) is a type of electron microscope mainly used in nanoscience and nanotechnology areas. Automatic image recognition and classification are among the general areas of application concerning SEM. In line with these usages, the present paper proposes a deep learning algorithm that classifies SEM images into nine categories by means of an online application to simplify the process. The NFFA-EUROPE - 100% SEM data set, containing approximately 21,000 images, was used to train and test the algorithm at 80% and 20%, respectively. Validation was carried out using a separate data set obtained from the Middle East Technical University (METU) in Turkey. To increase the accuracy in the results, the Inception ResNet-V2 model was used in view of the Fine-Tuning approach. By using a confusion matrix, it was observed that the coated-surface category has a negative effect on the accuracy of the results since it contains other categories in the data set, thereby confusing the model when detecting category-specific patterns. For this reason, the coated-surface category was removed from the train data set, hence increasing accuracy by up to 96.5%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=convolutional%20neural%20networks" title="convolutional neural networks">convolutional neural networks</a>, <a href="https://publications.waset.org/abstracts/search?q=deep%20learning" title=" deep learning"> deep learning</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20classification" title=" image classification"> image classification</a>, <a href="https://publications.waset.org/abstracts/search?q=scanning%20electron%20microscope" title=" scanning electron microscope"> scanning electron microscope</a> </p> <a href="https://publications.waset.org/abstracts/160332/sem-image-classification-using-cnn-architectures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160332.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">125</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">21</span> Synthesis and Characterization of Poly (N-(Pyridin-2-Ylmethylidene)Pyridin-2-Amine: Thermal and Conductivity Properties</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nuray%20Y%C4%B1lmaz%20Baran">Nuray Yılmaz Baran</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The conjugated Schiff base polymers which are also called as polyazomethines are promising materials for various applications due to their good thermal resistance semiconductive, liquid crystal, fiber forming, nonlinear optical outstanding photo- and electroluminescence and antimicrobial properties. In recent years, polyazomethines have attracted intense attention of researchers especially due to optoelectronic properties which have made its usage possible in organic light emitting diodes (OLEDs), solar cells (SCs), organic field effect transistors (OFETs), and photorefractive holographic materials (PRHMs). In this study, N-(pyridin-2-ylmethylidene)pyridin-2-amine Schiff base was synthesized from condensation reaction of 2-aminopyridine with 2-pyridine carbaldehyde. Polymerization of Schiff base was achieved by polycondensation reaction using NaOCl oxidant in methanol medium at various time and temperatures. The synthesized Schiff base monomer and polymer (Poly(N-(pyridin-2-ylmethylidene)pyridin-2-amine)) was characterized by UV-vis, FT-IR, 1H-NMR, XRD techniques. Molecular weight distribution and the surface morphology of the polymer was determined by GPC and SEM-EDAX techniques. Thermal behaviour of the monomer and polymer was investigated by TG/DTG, DTA and DSC techniques. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=polyazomethines" title="polyazomethines">polyazomethines</a>, <a href="https://publications.waset.org/abstracts/search?q=polycondensation%20reaction" title=" polycondensation reaction"> polycondensation reaction</a>, <a href="https://publications.waset.org/abstracts/search?q=Schiff%20base%20polymers" title=" Schiff base polymers"> Schiff base polymers</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20stability" title=" thermal stability"> thermal stability</a> </p> <a href="https://publications.waset.org/abstracts/53205/synthesis-and-characterization-of-poly-n-pyridin-2-ylmethylidenepyridin-2-amine-thermal-and-conductivity-properties" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/53205.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">232</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">20</span> Drape Simulation by Commercial Software and Subjective Assessment of Virtual Drape</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Evrim%20Buyukaslan">Evrim Buyukaslan</a>, <a href="https://publications.waset.org/abstracts/search?q=Simona%20Jevsnik"> Simona Jevsnik</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatma%20Kalaoglu"> Fatma Kalaoglu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Simulation of fabrics is more difficult than any other simulation due to complex mechanics of fabrics. Most of the virtual garment simulation software use mass-spring model and incorporate fabric mechanics into simulation models. The accuracy and fidelity of these virtual garment simulation software is a question mark. Drape is a subjective phenomenon and evaluation of drape has been studied since 1950’s. On the other hand, fabric and garment simulation is relatively new. Understanding drape perception of subjects when looking at fabric simulations is critical as virtual try-on becomes more of an issue by enhanced online apparel sales. Projected future of online apparel retailing is that users may view their avatars and try-on the garment on their avatars in the virtual environment. It is a well-known fact that users will not be eager to accept this innovative technology unless it is realistic enough. Therefore, it is essential to understand what users see when they are displaying fabrics in a virtual environment. Are they able to distinguish the differences between various fabrics in virtual environment? The purpose of this study is to investigate human perception when looking at a virtual fabric and determine the most visually noticeable drape parameter. To this end, five different fabrics are mechanically tested, and their drape simulations are generated by commercial garment simulation software (Optitex®). The simulation images are processed by an image analysis software to calculate drape parameters namely; drape coefficient, node severity, and peak angles. A questionnaire is developed to evaluate drape properties subjectively in a virtual environment. Drape simulation images are shown to 27 subjects and asked to rank the samples according to their questioned drape property. The answers are compared to the calculated drape parameters. The results show that subjects are quite sensitive to drape coefficient changes while they are not very sensitive to changes in node dimensions and node distributions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=drape%20simulation" title="drape simulation">drape simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=drape%20evaluation" title=" drape evaluation"> drape evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=fabric%20mechanics" title=" fabric mechanics"> fabric mechanics</a>, <a href="https://publications.waset.org/abstracts/search?q=virtual%20fabric" title=" virtual fabric"> virtual fabric</a> </p> <a href="https://publications.waset.org/abstracts/64311/drape-simulation-by-commercial-software-and-subjective-assessment-of-virtual-drape" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64311.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">339</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">19</span> Synthesis and Characterization of Chitosan Schiff Base Supported Pd(II) Catalyst and Its Application in Suzuki Coupling Reactions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Talat%20Baran">Talat Baran</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Palladium-catalyzed Suzuki coupling reactions are powerful ways for synthesis of biaryls compounds and so far different palladium sources as have been used in catalyst systems. However, the high cost of the ligands using as support materials for palladium ion and so researchers have explored alternative low-cost support materials such as silica, cellule and zeolite. A natural polymer chitosan is suitable for support material because of it unique properties such as eco-friendly, renewable, abundant, low cost, biodegradable and it has free reactive -NH2 and –OH groups. Especially, pendant amino groups of chitosan can easily react with carbonyl groups of aldehyde or ketone by Schiff base formation and thus palladium ions can coordinate with imine groups of Schiff base. This purpose, in this study, firstly a new chitosan Schiff base supported palladium (II) catalyst was synthesized and its chemical structure was characterized with FT-IR, SEM/EDAX, XRD, TG-DTG, ICP-OES and magnetic moment techniques. Then catalytic performance of the catalyst was investigated in Suzuki cross coupling reactions under simple and fast microwave heating methods. Also, recycle activity of palladium catalyst was tested under optimum condition and the catalyst showed long life time. At the end of catalytic performance tests of chitosan supported palladium (II) catalysts indicated high turnover numbers, turnover frequency and selectivity with very small loading catalyst <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=catalyst" title="catalyst">catalyst</a>, <a href="https://publications.waset.org/abstracts/search?q=chitosan" title=" chitosan"> chitosan</a>, <a href="https://publications.waset.org/abstracts/search?q=Schiff%20base" title=" Schiff base"> Schiff base</a>, <a href="https://publications.waset.org/abstracts/search?q=Suzuki%20coupling" title=" Suzuki coupling"> Suzuki coupling</a> </p> <a href="https://publications.waset.org/abstracts/53204/synthesis-and-characterization-of-chitosan-schiff-base-supported-pdii-catalyst-and-its-application-in-suzuki-coupling-reactions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/53204.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">325</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">18</span> How Context and Problem Based Learning Effects Students Behaviors in Teaching Thermodynamics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mukadder%20Baran">Mukadder Baran</a>, <a href="https://publications.waset.org/abstracts/search?q=Mustafa%20S%C3%B6zbilir"> Mustafa Sözbilir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this paper is to investigate the applicabillity of the Context- and Problem-Based Learning (CPBL) in general chemistry course to the subject of “Thermodynamics” but also the influence of CPBL on students’ achievement, retention of knowledge, their interest, attitudes, motivation and problem-solving skills. The study group included 13 freshman students who were selected with the sampling method appropriate to the purpose among those taking the course of General Chemistry within the Program of Medical Laboratory Techniques at Hakkari University. The application was carried out in the Spring Term of the academic year of 2012-2013. As the data collection tool, Lesson Observation form were used. In the light of the observations held, it was revealed that CPBL increased the students’ intragroup and intergroup communication skills as well as their self-confidence and developed their skills in time management, presentation, reporting, and technology use; and that they were able to relate chemistry to daily life. Depending on these findings, it could be suggested that the area of use of CPBL be widened; that seminars related to constructive methods be organized for teachers. In this way, it is believed that students will not be passive in the group any longer. In addition, it was concluded that in order to avoid the negative effects of the socio-cultural structure on the education system, research should be conducted in places where there is socio-cultural obstacles, and appropriate solutions should be suggested and put into practice. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chemistry" title="chemistry">chemistry</a>, <a href="https://publications.waset.org/abstracts/search?q=education" title=" education"> education</a>, <a href="https://publications.waset.org/abstracts/search?q=science" title=" science"> science</a>, <a href="https://publications.waset.org/abstracts/search?q=context-based%20learning" title=" context-based learning"> context-based learning</a> </p> <a href="https://publications.waset.org/abstracts/25343/how-context-and-problem-based-learning-effects-students-behaviors-in-teaching-thermodynamics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25343.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">409</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">17</span> English Language Teaching Graduate Students' Use of Discussion Moves in Research Articles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gamzegul%20Koca">Gamzegul Koca</a>, <a href="https://publications.waset.org/abstracts/search?q=Evrim%20%20Eveyik-Aydin"> Evrim Eveyik-Aydin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Genre and discipline-specific knowledge of academic discourse in writing has long been acknowledged as being a core skill to achieve formidable tasks that are expected of graduate students in academic settings. Genre analysis approaches can be adopted to unveil the challenges encountered in these tasks to be able to take instructional actions addressing the aspects of graduate writing that need improvement. In an attempt to find genre-specific academic writing needs of Turkish students enrolled in a graduate program in ELT, this study examines the rhetorical structure of discussion sections of research articles written during the course load stage of their graduate studies. The 35.437-word specialized corpus of graduate papers compiled for the purpose of the study includes discussions of 58 unpublished reports of empirical studies, 31 written in MA courses and 27 in Ph.D. courses by a total of 44 graduate students. The study does sentence-based move structure analysis using the framework developed by Eveyik-Aydın, Karabacak and Akyel in a corpus-based study that analyzed the discussion moves of expert writers in published articles in ELT journals indexed by Social Sciences Citation. The coding of 1577 sentences by three graders using this framework revealed that while the graduate papers included the same moves used in published articles, the rhetorical structure of MA and Ph.D. papers showed considerable differences in terms of the frequency of occurrence of main discussion moves, including interpretation of the results and drawing implications. The implications of these findings will be discussed with respect to the needs of graduate writers and the expectations of discourse community. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=discussion%20moves" title="discussion moves">discussion moves</a>, <a href="https://publications.waset.org/abstracts/search?q=genre-specific%20rhetorical%20structure" title=" genre-specific rhetorical structure"> genre-specific rhetorical structure</a>, <a href="https://publications.waset.org/abstracts/search?q=move%20analysis" title=" move analysis"> move analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=research%20articles" title=" research articles"> research articles</a>, <a href="https://publications.waset.org/abstracts/search?q=the%20specialized%20corpus%20of%20graduate%20papers" title=" the specialized corpus of graduate papers"> the specialized corpus of graduate papers</a> </p> <a href="https://publications.waset.org/abstracts/93714/english-language-teaching-graduate-students-use-of-discussion-moves-in-research-articles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/93714.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">166</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">16</span> System Identification of Timber Masonry Walls Using Shaking Table Test</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Timir%20Baran%20Roy">Timir Baran Roy</a>, <a href="https://publications.waset.org/abstracts/search?q=Luis%20Guerreiro"> Luis Guerreiro</a>, <a href="https://publications.waset.org/abstracts/search?q=Ashutosh%20Bagchi"> Ashutosh Bagchi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Dynamic study is important in order to design, repair and rehabilitation of structures. It has played an important role in the behavior characterization of structures; such as bridges, dams, high-rise buildings etc. There had been a substantial development in this area over the last few decades, especially in the field of dynamic identification techniques of structural systems. Frequency Domain Decomposition (FDD) and Time Domain Decomposition are most commonly used methods to identify modal parameters; such as natural frequency, modal damping, and mode shape. The focus of the present research is to study the dynamic characteristics of typical timber masonry walls commonly used in Portugal. For that purpose, a multi-storey structural prototypes of such walls have been tested on a seismic shake table at the National Laboratory for Civil Engineering, Portugal (LNEC). Signal processing has been performed of the output response, which is collected from the shaking table experiment of the prototype using accelerometers. In the present work signal processing of the output response, based on the input response has been done in two ways: FDD and Stochastic Subspace Identification (SSI). In order to estimate the values of the modal parameters, algorithms for FDD are formulated, and parametric functions for the SSI are computed. Finally, estimated values from both the methods are compared to measure the accuracy of both the techniques. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=frequency%20domain%20decomposition%20%28fdd%29" title="frequency domain decomposition (fdd)">frequency domain decomposition (fdd)</a>, <a href="https://publications.waset.org/abstracts/search?q=modal%20parameters" title=" modal parameters"> modal parameters</a>, <a href="https://publications.waset.org/abstracts/search?q=signal%20processing" title=" signal processing"> signal processing</a>, <a href="https://publications.waset.org/abstracts/search?q=stochastic%20subspace%20identification%20%28ssi%29" title=" stochastic subspace identification (ssi)"> stochastic subspace identification (ssi)</a>, <a href="https://publications.waset.org/abstracts/search?q=time%20domain%20decomposition" title=" time domain decomposition "> time domain decomposition </a> </p> <a href="https://publications.waset.org/abstracts/53765/system-identification-of-timber-masonry-walls-using-shaking-table-test" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/53765.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">264</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">15</span> Transformation of Positron Emission Tomography Raw Data into Images for Classification Using Convolutional Neural Network</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pawe%C5%82%20Konieczka">Paweł Konieczka</a>, <a href="https://publications.waset.org/abstracts/search?q=Lech%20Raczy%C5%84ski"> Lech Raczyński</a>, <a href="https://publications.waset.org/abstracts/search?q=Wojciech%20Wi%C5%9Blicki"> Wojciech Wiślicki</a>, <a href="https://publications.waset.org/abstracts/search?q=Oleksandr%20Fedoruk"> Oleksandr Fedoruk</a>, <a href="https://publications.waset.org/abstracts/search?q=Konrad%20Klimaszewski"> Konrad Klimaszewski</a>, <a href="https://publications.waset.org/abstracts/search?q=Przemys%C5%82aw%20Kopka"> Przemysław Kopka</a>, <a href="https://publications.waset.org/abstracts/search?q=Wojciech%20Krzemie%C5%84"> Wojciech Krzemień</a>, <a href="https://publications.waset.org/abstracts/search?q=Roman%20Shopa"> Roman Shopa</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Baran"> Jakub Baran</a>, <a href="https://publications.waset.org/abstracts/search?q=Aur%C3%A9lien%20Coussat"> Aurélien Coussat</a>, <a href="https://publications.waset.org/abstracts/search?q=Neha%20Chug"> Neha Chug</a>, <a href="https://publications.waset.org/abstracts/search?q=Catalina%20Curceanu"> Catalina Curceanu</a>, <a href="https://publications.waset.org/abstracts/search?q=Eryk%20Czerwi%C5%84ski"> Eryk Czerwiński</a>, <a href="https://publications.waset.org/abstracts/search?q=Meysam%20Dadgar"> Meysam Dadgar</a>, <a href="https://publications.waset.org/abstracts/search?q=Kamil%20Dulski"> Kamil Dulski</a>, <a href="https://publications.waset.org/abstracts/search?q=Aleksander%20Gajos"> Aleksander Gajos</a>, <a href="https://publications.waset.org/abstracts/search?q=Beatrix%20C.%20Hiesmayr"> Beatrix C. Hiesmayr</a>, <a href="https://publications.waset.org/abstracts/search?q=Krzysztof%20Kacprzak"> Krzysztof Kacprzak</a>, <a href="https://publications.waset.org/abstracts/search?q=%C5%82ukasz%20Kap%C5%82on"> łukasz Kapłon</a>, <a href="https://publications.waset.org/abstracts/search?q=Grzegorz%20Korcyl"> Grzegorz Korcyl</a>, <a href="https://publications.waset.org/abstracts/search?q=Tomasz%20Kozik"> Tomasz Kozik</a>, <a href="https://publications.waset.org/abstracts/search?q=Deepak%20Kumar"> Deepak Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Szymon%20Nied%C5%BAwiecki"> Szymon Niedźwiecki</a>, <a href="https://publications.waset.org/abstracts/search?q=Dominik%20Panek"> Dominik Panek</a>, <a href="https://publications.waset.org/abstracts/search?q=Szymon%20Parzych"> Szymon Parzych</a>, <a href="https://publications.waset.org/abstracts/search?q=Elena%20P%C3%A9rez%20Del%20R%C3%ADo"> Elena Pérez Del Río</a>, <a href="https://publications.waset.org/abstracts/search?q=Sushil%20Sharma"> Sushil Sharma</a>, <a href="https://publications.waset.org/abstracts/search?q=Shivani%20Shivani"> Shivani Shivani</a>, <a href="https://publications.waset.org/abstracts/search?q=Magdalena%20Skurzok"> Magdalena Skurzok</a>, <a href="https://publications.waset.org/abstracts/search?q=Ewa%20%C5%82ucja%20St%C4%99pie%C5%84"> Ewa łucja Stępień</a>, <a href="https://publications.waset.org/abstracts/search?q=Faranak%20Tayefi"> Faranak Tayefi</a>, <a href="https://publications.waset.org/abstracts/search?q=Pawe%C5%82%20Moskal"> Paweł Moskal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper develops the transformation of non-image data into 2-dimensional matrices, as a preparation stage for classification based on convolutional neural networks (CNNs). In positron emission tomography (PET) studies, CNN may be applied directly to the reconstructed distribution of radioactive tracers injected into the patient's body, as a pattern recognition tool. Nonetheless, much PET data still exists in non-image format and this fact opens a question on whether they can be used for training CNN. In this contribution, the main focus of this paper is the problem of processing vectors with a small number of features in comparison to the number of pixels in the output images. The proposed methodology was applied to the classification of PET coincidence events. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=convolutional%20neural%20network" title="convolutional neural network">convolutional neural network</a>, <a href="https://publications.waset.org/abstracts/search?q=kernel%20principal%20component%20analysis" title=" kernel principal component analysis"> kernel principal component analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=medical%20imaging" title=" medical imaging"> medical imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=positron%20emission%20tomography" title=" positron emission tomography"> positron emission tomography</a> </p> <a href="https://publications.waset.org/abstracts/150734/transformation-of-positron-emission-tomography-raw-data-into-images-for-classification-using-convolutional-neural-network" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/150734.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">144</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">14</span> A Coupled Stiffened Skin-Rib Fully Gradient Based Optimization Approach for a Wing Box Made of Blended Composite Materials</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=F.%20Farzan%20Nasab">F. Farzan Nasab</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20J.%20M.%20%20Geijselaers"> H. J. M. Geijselaers</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Baran"> I. Baran</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20De%20Boer"> A. De Boer</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A method is introduced for the coupled skin-rib optimization of a wing box where mass minimization is the objective and local buckling is the constraint. The structure is made of composite materials where continuity of plies in multiple adjacent panels (blending) has to be satisfied. Blending guarantees the manufacturability of the structure; however, it is a highly challenging constraint to treat and has been under debate in recent research in the same area. To fulfill design guidelines with respect to symmetry, balance, contiguity, disorientation and percentage rule of the layup, a reference for the stacking sequences (stacking sequence table or SST) is generated first. Then, an innovative fully gradient-based optimization approach in relation to a specific SST is introduced to obtain the optimum thickness distribution all over the structure while blending is fulfilled. The proposed optimization approach aims to turn the discrete optimization problem associated with the integer number of plies into a continuous one. As a result of a wing box deflection, a rib is subjected to load values which vary nonlinearly with the amount of deflection. The bending stiffness of a skin affects the wing box deflection and thus affects the load applied to a rib. This indicates the necessity of a coupled skin-rib optimization approach for a more realistic optimized design. The proposed method is examined with the optimization of the layup of a composite stiffened skin and rib of a wing torsion box subjected to in-plane normal and shear loads. Results show that the method can successfully prescribe a valid design with a significantly cheap computation cost. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=blending" title="blending">blending</a>, <a href="https://publications.waset.org/abstracts/search?q=buckling%20optimization" title=" buckling optimization"> buckling optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=composite%20panels" title=" composite panels"> composite panels</a>, <a href="https://publications.waset.org/abstracts/search?q=wing%20torsion%20box" title=" wing torsion box"> wing torsion box</a> </p> <a href="https://publications.waset.org/abstracts/68057/a-coupled-stiffened-skin-rib-fully-gradient-based-optimization-approach-for-a-wing-box-made-of-blended-composite-materials" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/68057.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">409</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">13</span> Synthesis and Characterization of Poly(2-[[4-(Dimethylamino)Benzylidene] Amino]Phenol) in Organic Medium: Investigation of Thermal Stability, Conductivity, and Antimicrobial Properties</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nuray%20Yilmaz%20Baran">Nuray Yilmaz Baran</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehmet%20Sa%C3%A7ak"> Mehmet Saçak</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Schiff base polymers are one class of conjugated polymers, also called as poly(azomethines). They have drawn the attention of researchers in recent years due to their some properties such as, optoelectronic, semiconductive, and photovoltaic, antimicrobial activities and high thermal stability. In this study, Poly(2-[[4-(dimethylamino)benzylidene]amino] phenol) P(2-DBAP), which is a Schiff base polymer, was synthesized by an oxidative polycondensation reaction of -[[4-(dimethylamino)benzylidene]amino]phenol (2-DBAP) with oxidants NaOCl, H₂O₂ and O₂ in various organic medium. At the end of the polymerizations carried out at various temperatures and time, maximum conversion of the monomer to the polymer could be obtained as around 93.7 %. The structures of the monomer and polymer were characterized by UV-Vis, FTIR and ¹HNMR techniques. Thermal analysis of the polymer was identified by TG-DTG and DTA techniques, and the thermal degradation behavior was supported by Thermo-IR spectra recorded in the temperature range of 25-800 °C. The number average molecular weight (Mn), weight average molecular weight (Mw) and polydispersity index (PDI) of the polymer were found to be 26337, 9860 g/mol 2.67, respectively. The change of electrical conductivity value of the P(2-DBAP) doped with iodine vapor at different temperatures and time was investigated its maximum was measured by increasing 10¹⁰ fold as 2 x10⁻⁴ Scm⁻¹ after doping for 48 h at 60 °C. Antibacterial and antifungal activities of P(2-DBAP) Schiff base and its polymer were also investigated against Sarcina lutea, Enterobacter aerogenes, Escherichia coli, Enterococcus Faecalis, Klebsiella pneumoniae, Bacillus subtilis, and Candida albicans, Saccharomyces cerevisiae, respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=conductive%20properties" title="conductive properties">conductive properties</a>, <a href="https://publications.waset.org/abstracts/search?q=polyazomethines" title=" polyazomethines"> polyazomethines</a>, <a href="https://publications.waset.org/abstracts/search?q=polycondensation%20reaction" title=" polycondensation reaction"> polycondensation reaction</a>, <a href="https://publications.waset.org/abstracts/search?q=Schiff%20base%20polymers" title=" Schiff base polymers"> Schiff base polymers</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20stability" title=" thermal stability"> thermal stability</a> </p> <a href="https://publications.waset.org/abstracts/54029/synthesis-and-characterization-of-poly2-4-dimethylaminobenzylidene-aminophenol-in-organic-medium-investigation-of-thermal-stability-conductivity-and-antimicrobial-properties" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54029.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">288</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">12</span> Beam Deflection with Unidirectionality Due to Zeroth Order and Evanescent Wave Coupling in a Photonic Crystal with a Defect Layer without Corrugations under Oblique Incidence</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Evrim%20Colak">Evrim Colak</a>, <a href="https://publications.waset.org/abstracts/search?q=Andriy%20E.%20Serebryannikov"> Andriy E. Serebryannikov</a>, <a href="https://publications.waset.org/abstracts/search?q=Thore%20Magath"> Thore Magath</a>, <a href="https://publications.waset.org/abstracts/search?q=Ekmel%20Ozbay"> Ekmel Ozbay</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Single beam deflection and unidirectional transmission are examined for oblique incidence in a Photonic Crystal (PC) structure which employs defect layer instead of surface corrugations at the interfaces. In all of the studied cases, the defect layer is placed such that the symmetry is broken. Two types of deflection are observed depending on whether the zeroth order is coupled or not. These two scenarios can be distinguished from each other by considering the simulated field distribution in PC. In the first deflection type, Floquet-Bloch mode enables zeroth order coupling. The energy of the zeroth order is redistributed between the diffraction orders at the defect layer, providing deflection. In the second type, when zeroth order is not coupled, strong diffractions cause blazing and the evanescent waves deliver energy to higher order diffraction modes. Simulated isofrequency contours can be utilized to estimate the coupling behavior. The defect layer is placed at varying rows, preserving the asymmetry of PC while evancescent waves can still couple to higher order modes. Even for deeply buried defect layer, asymmetric transmission and beam deflection are still encountered when the zeroth order is not coupled. We assume ε=11.4 (refractive index close to that of GaAs and Si) for the PC rods. A possible operation wavelength can be within microwave and infrared range. Since the suggested material is low loss, the structure can be scaled down to operate higher frequencies. Thus, a sample operation wavelength is selected as 1.5μm. Although the structure employs no surface corrugations transmission value T≈0.97 can be achieved by means of diffraction order m=-1. Moreover, utilizing an extra line defect, T value can be increased upto 0.99, under oblique incidence even if the line defect layer is deeply embedded in the photonic crystal. The latter configuration can be used to obtain deflection in one frequency range and can also be utilized for the realization of another functionality like defect-mode wave guiding in another frequency range but still using the same structure. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=asymmetric%20transmission" title="asymmetric transmission">asymmetric transmission</a>, <a href="https://publications.waset.org/abstracts/search?q=beam%20deflection" title=" beam deflection"> beam deflection</a>, <a href="https://publications.waset.org/abstracts/search?q=blazing" title=" blazing"> blazing</a>, <a href="https://publications.waset.org/abstracts/search?q=bi-directional%20splitting" title=" bi-directional splitting"> bi-directional splitting</a>, <a href="https://publications.waset.org/abstracts/search?q=defect%20layer" title=" defect layer"> defect layer</a>, <a href="https://publications.waset.org/abstracts/search?q=dual%20beam%20splitting" title=" dual beam splitting"> dual beam splitting</a>, <a href="https://publications.waset.org/abstracts/search?q=Floquet-Bloch%20modes" title=" Floquet-Bloch modes"> Floquet-Bloch modes</a>, <a href="https://publications.waset.org/abstracts/search?q=isofrequency%20contours" title=" isofrequency contours"> isofrequency contours</a>, <a href="https://publications.waset.org/abstracts/search?q=line%20defect" title=" line defect"> line defect</a>, <a href="https://publications.waset.org/abstracts/search?q=oblique%20incidence" title=" oblique incidence"> oblique incidence</a>, <a href="https://publications.waset.org/abstracts/search?q=photonic%20crystal" title=" photonic crystal"> photonic crystal</a>, <a href="https://publications.waset.org/abstracts/search?q=unidirectionality" title=" unidirectionality"> unidirectionality</a> </p> <a href="https://publications.waset.org/abstracts/94547/beam-deflection-with-unidirectionality-due-to-zeroth-order-and-evanescent-wave-coupling-in-a-photonic-crystal-with-a-defect-layer-without-corrugations-under-oblique-incidence" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/94547.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">262</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">11</span> A Nucleic Acid Extraction Method for High-Viscosity Floricultural Samples</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Harunori%20Kawabe">Harunori Kawabe</a>, <a href="https://publications.waset.org/abstracts/search?q=Hideyuki%20Aoshima"> Hideyuki Aoshima</a>, <a href="https://publications.waset.org/abstracts/search?q=Koji%20Murakami"> Koji Murakami</a>, <a href="https://publications.waset.org/abstracts/search?q=Minoru%20Kawakami"> Minoru Kawakami</a>, <a href="https://publications.waset.org/abstracts/search?q=Yuka%20Nakano"> Yuka Nakano</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20D.%20Ordinario"> David D. Ordinario</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20W.%20Crawford"> C. W. Crawford</a>, <a href="https://publications.waset.org/abstracts/search?q=Iri%20Sato-Baran"> Iri Sato-Baran</a> </p> <p class="card-text"><strong>Abstract:</strong></p> With the recent advances in gene editing technologies allowing the rewriting of genetic sequences, additional market growth in the global floriculture market beyond previous trends is anticipated through increasingly sophisticated plant breeding techniques. As a prerequisite for gene editing, the gene sequence of the target plant must first be identified. This necessitates the genetic analysis of plants with unknown gene sequences, the extraction of RNA, and comprehensive expression analysis. Consequently, a technology capable of consistently and effectively extracting high-purity DNA and RNA from plants is of paramount importance. Although model plants, such as Arabidopsis and tobacco, have established methods for DNA and RNA extraction, floricultural species such as roses present unique challenges. Different techniques to extract DNA and RNA from various floricultural species were investigated. Upon sampling and grinding the petals of several floricultural species, it was observed that nucleic acid extraction from the ground petal solutions of low viscosity was straightforward; solutions of high viscosity presented a significant challenge. It is postulated that the presence of substantial quantities of polysaccharides and polyphenols in the plant tissue was responsible for the inhibition of nucleic acid extraction. Consequently, attempts were made to extract high-purity DNA and RNA by improving the CTAB method and combining it with commercially available nucleic acid extraction kits. The quality of the total extracted DNA and RNA was evaluated using standard methods. Finally, the effectiveness of the extraction method was assessed by determining whether it was possible to create a library that could be applied as a suitable template for a next-generation sequencer. In conclusion, a method was developed for consistent and accurate nucleic acid extraction from high-viscosity floricultural samples. These results demonstrate improved techniques for DNA and RNA extraction from flowers, help facilitate gene editing of floricultural species and expand the boundaries of research and commercial opportunities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=floriculture" title="floriculture">floriculture</a>, <a href="https://publications.waset.org/abstracts/search?q=gene%20editing" title=" gene editing"> gene editing</a>, <a href="https://publications.waset.org/abstracts/search?q=next-generation%20sequencing" title=" next-generation sequencing"> next-generation sequencing</a>, <a href="https://publications.waset.org/abstracts/search?q=nucleic%20acid%20extraction" title=" nucleic acid extraction"> nucleic acid extraction</a> </p> <a href="https://publications.waset.org/abstracts/191049/a-nucleic-acid-extraction-method-for-high-viscosity-floricultural-samples" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/191049.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">29</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">10</span> Support Services in Open and Distance Education: An Integrated Model of Open Universities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Evrim%20Genc%20Kumtepe">Evrim Genc Kumtepe</a>, <a href="https://publications.waset.org/abstracts/search?q=Elif%20Toprak"> Elif Toprak</a>, <a href="https://publications.waset.org/abstracts/search?q=Aylin%20Ozturk"> Aylin Ozturk</a>, <a href="https://publications.waset.org/abstracts/search?q=Gamze%20Tuna"> Gamze Tuna</a>, <a href="https://publications.waset.org/abstracts/search?q=Hakan%20Kilinc"> Hakan Kilinc</a>, <a href="https://publications.waset.org/abstracts/search?q=Irem%20Aydin%20Menderis"> Irem Aydin Menderis</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Support services are very significant elements for all educational institutions in general; however, for distance learners, these services are more essential than traditional (face-to-face) counterparts. One of the most important reasons for this is that learners and instructors do not share the same physical environment and that distance learning settings generally require intrapersonal interactions rather than interpersonal ones. Some learners in distance learning programs feel isolated. Furthermore, some fail to feel a sense of belonging to the institution because of lack of self-management skills, lack of motivation levels, and the need of being socialized, so that they are more likely to fail or drop out of an online class. In order to overcome all these problems, support services have emerged as a critical element for an effective and sustainable distance education system. Within the context of distance education support services, it is natural to include technology-based and web-based services and also the related materials. Moreover, institutions in education sector are expected to use information and communication technologies effectively in order to be successful in educational activities and programs. In terms of the sustainability of the system, an institution should provide distance education services through ICT enabled processes to support all stakeholders in the system, particularly distance learners. In this study, it is envisaged to develop a model based on the current support services literature in the field of open and distance learning and the applications of the distance higher education institutions. Specifically, content analysis technique is used to evaluate the existing literature in the distance education support services, the information published on websites, and applications of distance higher education institutions across the world. A total of 60 institutions met the inclusion criteria which are language option (English) and availability of materials in the websites. The six field experts contributed to brainstorming process to develop and extract codes for the coding scheme. During the coding process, these preset and emergent codes are used to conduct analyses. Two coders independently reviewed and coded each assigned website to ensure that all coders are interpreting the data the same way and to establish inter-coder reliability. Once each web page is included in descriptive and relational analysis, a model of support services is developed by examining the generated codes and themes. It is believed that such a model would serve as a quality guide for future institutions, as well as the current ones. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=support%20services" title="support services">support services</a>, <a href="https://publications.waset.org/abstracts/search?q=open%20education" title=" open education"> open education</a>, <a href="https://publications.waset.org/abstracts/search?q=distance%20learning" title=" distance learning"> distance learning</a>, <a href="https://publications.waset.org/abstracts/search?q=support%20model" title=" support model"> support model</a> </p> <a href="https://publications.waset.org/abstracts/83942/support-services-in-open-and-distance-education-an-integrated-model-of-open-universities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/83942.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">198</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9</span> Investigating University Students' Attitudes towards Infertility in Terms of Socio-Demographic Variables</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yelda%20Ka%C4%9Fn%C4%B1c%C4%B1">Yelda Kağnıcı</a>, <a href="https://publications.waset.org/abstracts/search?q=Se%C3%A7il%20Seymenler"> Seçil Seymenler</a>, <a href="https://publications.waset.org/abstracts/search?q=Bahar%20Baran"> Bahar Baran</a>, <a href="https://publications.waset.org/abstracts/search?q=Erol%20Esen"> Erol Esen</a>, <a href="https://publications.waset.org/abstracts/search?q=Bar%C4%B1%C5%9Fcan%20%C3%96zt%C3%BCrk"> Barışcan Öztürk</a>, <a href="https://publications.waset.org/abstracts/search?q=Ender%20Siyez"> Ender Siyez</a>, <a href="https://publications.waset.org/abstracts/search?q=Di%C4%9Fdem%20M.%20Siyez"> Diğdem M. Siyez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Infertility is the inability to reproduce after twelve months or longer unprotected sexual relationship. Although infertility is not a life threatening illness, it is considered as a serious problem for both the individual and the society. At this point, the importance of examining attitudes towards infertility is critical. Negative attitudes towards infertility may postpone individuals’ help seeking behaviors. The aim of this study is to investigate university students’ attitudes towards infertility in terms of socio-demographic variables (gender, age, taking sexual health education, existence of an infertile individual in the social network, plans about having child and behaviors about health). The sample of the study was 9693 university students attending to 21 universities in Turkey. Of the 9693 students, % 51.6 (n = 5002) were female, % 48.4 (n = 4691) were male. The data was collected by Attitudes toward Infertility Scale developed by researchers and Personal Information Form. In data analysis first frequencies were calculated, then in order to test whether there were significant differences in attitudes towards infertility scores of university students in terms of socio-demographic variables, one way ANOVA was conducted. According to the results, it was found that female students, students who had sexual health education, who have sexual relationship experience, who have an infertile individual in their social networks, who have child plans, who have high caffeine usage and who use alcohol regularly have more positive attitudes towards infertility. On the other hand, attitudes towards infidelity did not show significant differences in terms of age and cigarette usage. When the results of the study were evaluated in general, it was seen that university students’ attitudes towards infertility were negative. The attitudes of students who have high caffeine and alcohols usage were high. It can be considered that these students are aware that their social habits are risky. Female students’ positive attitudes might be explained by their gender role. The results point out that in order to decrease university students’ negative attitudes towards infertility, there is a necessity to develop preventive programs in universities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=infertility" title="infertility">infertility</a>, <a href="https://publications.waset.org/abstracts/search?q=attitudes" title=" attitudes"> attitudes</a>, <a href="https://publications.waset.org/abstracts/search?q=sex" title=" sex"> sex</a>, <a href="https://publications.waset.org/abstracts/search?q=university%20students" title=" university students"> university students</a> </p> <a href="https://publications.waset.org/abstracts/74443/investigating-university-students-attitudes-towards-infertility-in-terms-of-socio-demographic-variables" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74443.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">247</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">8</span> Design of Photonic Crystal with Defect Layer to Eliminate Interface Corrugations for Obtaining Unidirectional and Bidirectional Beam Splitting under Normal Incidence</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Evrim%20Colak">Evrim Colak</a>, <a href="https://publications.waset.org/abstracts/search?q=Andriy%20E.%20Serebryannikov"> Andriy E. Serebryannikov</a>, <a href="https://publications.waset.org/abstracts/search?q=Pavel%20V.%20Usik"> Pavel V. Usik</a>, <a href="https://publications.waset.org/abstracts/search?q=Ekmel%20Ozbay"> Ekmel Ozbay</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Working with a dielectric photonic crystal (PC) structure which does not include surface corrugations, unidirectional transmission and dual-beam splitting are observed under normal incidence as a result of the strong diffractions caused by the embedded defect layer. The defect layer has twice the period of the regular PC segments which sandwich the defect layer. Although the PC has even number of rows, the structural symmetry is broken due to the asymmetric placement of the defect layer with respect to the symmetry axis of the regular PC. The simulations verify that efficient splitting and occurrence of strong diffractions are related to the dispersion properties of the Floquet-Bloch modes of the photonic crystal. Unidirectional and bi-directional splitting, which are associated with asymmetric transmission, arise due to the dominant contribution of the first positive and first negative diffraction orders. The effect of the depth of the defect layer is examined by placing single defect layer in varying rows, preserving the asymmetry of PC. Even for deeply buried defect layer, asymmetric transmission is still valid even if the zeroth order is not coupled. This transmission is due to evanescent waves which reach to the deeply embedded defect layer and couple to higher order modes. In an additional selected performance, whichever surface is illuminated, i.e., in both upper and lower surface illumination cases, incident beam is split into two beams of equal intensity at the output surface where the intensity of the out-going beams are equal for both illumination cases. That is, although the structure is asymmetric, symmetric bidirectional transmission with equal transmission values is demonstrated and the structure mimics the behavior of symmetric structures. Finally, simulation studies including the examination of a coupled-cavity defect for two different permittivity values (close to the permittivity values of GaAs or Si and alumina) reveal unidirectional splitting for a wider band of operation in comparison to the bandwidth obtained in the case of a single embedded defect layer. Since the dielectric materials that are utilized are low-loss and weakly dispersive in a wide frequency range including microwave and optical frequencies, the studied structures should be scalable to the mentioned ranges. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=asymmetric%20transmission" title="asymmetric transmission">asymmetric transmission</a>, <a href="https://publications.waset.org/abstracts/search?q=beam%20deflection" title=" beam deflection"> beam deflection</a>, <a href="https://publications.waset.org/abstracts/search?q=blazing" title=" blazing"> blazing</a>, <a href="https://publications.waset.org/abstracts/search?q=bi-directional%20splitting" title=" bi-directional splitting"> bi-directional splitting</a>, <a href="https://publications.waset.org/abstracts/search?q=defect%20layer" title=" defect layer"> defect layer</a>, <a href="https://publications.waset.org/abstracts/search?q=dual%20beam%20splitting" title=" dual beam splitting"> dual beam splitting</a>, <a href="https://publications.waset.org/abstracts/search?q=Floquet-Bloch%20modes" title=" Floquet-Bloch modes"> Floquet-Bloch modes</a>, <a href="https://publications.waset.org/abstracts/search?q=isofrequency%20contours" title=" isofrequency contours"> isofrequency contours</a>, <a href="https://publications.waset.org/abstracts/search?q=line%20defect" title=" line defect"> line defect</a>, <a href="https://publications.waset.org/abstracts/search?q=oblique%20incidence" title=" oblique incidence"> oblique incidence</a>, <a href="https://publications.waset.org/abstracts/search?q=photonic%20crystal" title=" photonic crystal"> photonic crystal</a>, <a href="https://publications.waset.org/abstracts/search?q=unidirectionality" title=" unidirectionality"> unidirectionality</a> </p> <a href="https://publications.waset.org/abstracts/94548/design-of-photonic-crystal-with-defect-layer-to-eliminate-interface-corrugations-for-obtaining-unidirectional-and-bidirectional-beam-splitting-under-normal-incidence" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/94548.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">184</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">7</span> Effects of Additional Pelvic Floor Exercise on Sexual Function, Quality of Life and Pain Intensity in Subjects with Chronic Low Back Pain</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Emel%20Sonmezer">Emel Sonmezer</a>, <a href="https://publications.waset.org/abstracts/search?q=Hayri%20Baran%20Yosmaoglu"> Hayri Baran Yosmaoglu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The negative impact of chronic pain syndromes on sexual function has been reported in several studies; however, the influences of treatment strategies on sexual dysfunction have not been evaluated widely. The aim of this study was to determine the effects of pelvic floor exercise on sexual dysfunction in female patients with chronic low back pain. Forty-two patient with chronic low back pain were enrolled this study. Subjects were divided into two groups. Group 1 received conventional physiotherapy consist of heat therapy, ergonomic education, William flexion exercise during 6 weeks. Group 2 received pelvic floor exercises in addition to conventional physiotherapy. Female Sexual Function Index (FSFI) was used for the assessment of sexual function. Pain intensity was assessed with Visual Analogue Scale. Quality of life was assessed with World Health Organization Quality of Life Scale. All measurements were taken before and after treatment. In conventional physiotherapy group; there were significant improvement in pain intensity (p= 0,003), physical health (p=0,011), psychological health (p=0,042) subscales of quality of life scale, arousal (p=0,042), lubrication (p=0,028) and pain (p= 0,034) subscales of FSFI. In additional pelvic floor exercise group; there were significant improvement in pain intensity (p= 0,005), physical health (p=0,012) psychological health (p=0,039) subscales of quality of life scale, arousal (p=0,024), lubrication (p=0,011), orgasm (p=0,035) and pain (p= 0,015) subscales and total score (p=0,016) of FSFI. Total FSFI score (p=0,025) and orgasm (p=0,017) subscale of FSFI were significantly higher for the additional pelvic floor exercise group than the conventional physiotherapy group.The outcome of this study suggested that conventional physiotherapy may contribute to improve pain, quality of life and some parameters of the sexual function in patients with low back pain. Although additional pelvic floor exercise did not reveal more treatment effect in terms of quality of life and pain intensity, it caused significant improvement in sexual function. It is recommended that pelvic floor exercise should be added to treatment programs in order to manage sexual dysfunction more effectively in patients with chronic low back pain. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=physiotherapy" title="physiotherapy">physiotherapy</a>, <a href="https://publications.waset.org/abstracts/search?q=chronic%20pain" title=" chronic pain"> chronic pain</a>, <a href="https://publications.waset.org/abstracts/search?q=sexual%20dysfunction" title=" sexual dysfunction"> sexual dysfunction</a>, <a href="https://publications.waset.org/abstracts/search?q=pelvic%20floor" title=" pelvic floor"> pelvic floor</a> </p> <a href="https://publications.waset.org/abstracts/89572/effects-of-additional-pelvic-floor-exercise-on-sexual-function-quality-of-life-and-pain-intensity-in-subjects-with-chronic-low-back-pain" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/89572.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">267</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6</span> Determination of the Needs for Development of Infertility Psycho-Educational Program and the Design of a Website about Infertility for University Students</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bahar%20Baran">Bahar Baran</a>, <a href="https://publications.waset.org/abstracts/search?q=%C5%9Eirin%20Nur%20Kaptan"> Şirin Nur Kaptan</a>, <a href="https://publications.waset.org/abstracts/search?q=D.Yelda%20Ka%C4%9Fn%C4%B1c%C4%B1"> D.Yelda Kağnıcı</a>, <a href="https://publications.waset.org/abstracts/search?q=Erol%20Esen"> Erol Esen</a>, <a href="https://publications.waset.org/abstracts/search?q=Bar%C4%B1%C5%9Fcan%20%C3%96zt%C3%BCrk"> Barışcan Öztürk</a>, <a href="https://publications.waset.org/abstracts/search?q=Ender%20Siyez"> Ender Siyez</a>, <a href="https://publications.waset.org/abstracts/search?q=Di%C4%9Fdem%20M%20Siyez"> Diğdem M Siyez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> It is known that some factors associated with infertility have preventable characteristics and that young people's knowledge levels in this regard are inadequate, but very few studies focus on effective prevention studies on infertility. Psycho-educational programs have an important place for infertility prevention efforts. Nowadays, considering the households' utilization rates from technology and the Internet, it seems that young people have applied to websites as a primary source of information related to a health problem they have encountered. However, one of the prerequisites for the effectiveness of websites or face-to-face psycho-education programs is to consider the needs of participants. In particular, it is expected that these programs will be appropriate to the cultural infrastructure and the diversity of beliefs and values in society. The aim of this research is to determine what university students want to learn about infertility and fertility and examine their views on the structure of the website. The sample of the research consisted of 9693 university students who study in 21 public higher education programs in Turkey. 51.6 % (n = 5002) were female and 48.4% (n = 4691) were male. The Needs Analysis Questionnaire developed by the researchers was used as data collection tool in the research. In the analysis of the data, descriptive analysis was conducted in SPSS software. According to the findings, among the topics that university students wanted to study about infertility and fertility, the first topics were 'misconceptions about infertility' (94.9 %), 'misconceptions about sexual behaviors' (94.6 %), 'factors affecting infertility' (92.8 %), 'sexual health and reproductive health' (92.5 %), 'sexually transmitted diseases' (92.7 %), 'sexuality and society' (90.9 %), 'healthy life (help centers)' (90.4 %). In addition, the questions about how the content of the website should be designed for university students were analyzed descriptively. According to the results, 91.5 % (n = 8871) of the university students proposed to use frequently asked questions and their answers, 89.2 % (n = 8648) stated that expert video should be included, 82.6 % (n = 8008) requested animations and simulations, 76.1 % (n = 7380) proposed different content according to sex and 66 % (n = 6460) proposed different designs according to sex. The results of the research indicated that the findings are similar to the contents of the program carried out in other countries in terms of the topics to be studied. It is suggested to take into account the opinions of the participants during the design of website. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=infertility" title="infertility">infertility</a>, <a href="https://publications.waset.org/abstracts/search?q=prevention" title=" prevention"> prevention</a>, <a href="https://publications.waset.org/abstracts/search?q=psycho-education" title=" psycho-education"> psycho-education</a>, <a href="https://publications.waset.org/abstracts/search?q=web%20based%20education" title=" web based education"> web based education</a> </p> <a href="https://publications.waset.org/abstracts/74444/determination-of-the-needs-for-development-of-infertility-psycho-educational-program-and-the-design-of-a-website-about-infertility-for-university-students" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74444.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">213</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5</span> A Preliminary Finding Regarding Nutrition Information Needs among Family Physicians in Turkey</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=F.%20Nur%20Baran%20Aksakal">F. Nur Baran Aksakal</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%96zge%20Din%C3%A7"> Özge Dinç</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Tanju%20Besler"> H. Tanju Besler</a>, <a href="https://publications.waset.org/abstracts/search?q=Beg%C3%BCm%20Mutu%C5%9F"> Begüm Mutuş</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%96zlem%20%C3%9Cli%C3%A7%20%C3%87atar"> Özlem Üliç Çatar</a>, <a href="https://publications.waset.org/abstracts/search?q=Orhan%20Aydo%C4%9Fdu"> Orhan Aydoğdu</a>, <a href="https://publications.waset.org/abstracts/search?q=Serhat%20%C3%9Cnal"> Serhat Ünal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Healthy eating habits are associated not only with the newborn, child, and maternal health but also with longer life expectancy by acting as a protective factor against non-communicable diseases such as obesity, diabetes, cardiovascular diseases, and cancer. The role of nutrition in medical education is to provide information about the relationship between healthy nutrition and malnutrition as well as diet-related non-communicable diseases. Considering the information pollution experienced in the field of nutrition and health in the society, it is seen that more than half of the population receives information from family physicians as the closest counseling unit. However, postgraduate nutrition education programs for physicians and other health professionals who wish to improve their current knowledge of the role of nutrition communication in the prevention and management of chronic diseases are limited worldwide. However, nutrition courses are either not included in the undergraduate medical education curriculum of physicians or they are insufficient. Based on this need, the main aim of the study group was to develop a "Nutrition and Nutrition Communication Training for Physicians" program that would be conducted in cooperation with the Sabri Ülker Foundation and the Federation of Family Physicians Associations (AHEF). This program is the first online nutrition and nutrition communication information platform for physicians in Turkey. This program aims to present the concept of adequate and balanced nutrition to physicians, the importance of nutrition in diseases with scientific data, and to gain communication skills that may be necessary while transferring scientific information to the public. A needs assessment questionnaire was applied to identify pre-program training needs. A study plan was made to allow the participation of all family physicians in the population, and a complete inventory was targeted. In other words, we aimed to reach the whole source without taking a section of the population. Participation in the training is based on volunteerism. The needs assessment study is conducted using 25,102 family physicians for whom email addresses are available. The online questionnaire was sent to all the family physicians with a reminder email one week after the first one, and 1308 responded. Considering the topics determined, a training program was prepared for family physicians under eight online training titles, starting in March 2022, and conducted once every two weeks. The number of audience members present at each session was between 1217 and 1673, and a minimum of 17 and a maximum of 53 questions were received in each session. We strongly believe that to prevent individuals' health problems and to have better control over chronic diseases, the information level of physicians should be increased via these kinds of interventions, and better collaboration between family physicians and dieticians should be established. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nutrition%20communication" title="nutrition communication">nutrition communication</a>, <a href="https://publications.waset.org/abstracts/search?q=nutrition%20training" title=" nutrition training"> nutrition training</a>, <a href="https://publications.waset.org/abstracts/search?q=communication" title=" communication"> communication</a>, <a href="https://publications.waset.org/abstracts/search?q=nutrition" title=" nutrition"> nutrition</a> </p> <a href="https://publications.waset.org/abstracts/156776/a-preliminary-finding-regarding-nutrition-information-needs-among-family-physicians-in-turkey" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156776.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">99</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">4</span> Reading and Writing of Biscriptal Children with and Without Reading Difficulties in Two Alphabetic Scripts</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Baran%20Johansson">Baran Johansson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This PhD dissertation aimed to explore children’s writing and reading in L1 (Persian) and L2 (Swedish). It adds new perspectives to reading and writing studies of bilingual biscriptal children with and without reading and writing difficulties (RWD). The study used standardised tests to examine linguistic and cognitive skills related to word reading and writing fluency in both languages. Furthermore, all participants produced two texts (one descriptive and one narrative) in each language. The writing processes and the writing product of these children were explored using logging methodologies (Eye and Pen) for both languages. Furthermore, this study investigated how two bilingual children with RWD presented themselves through writing across their languages. To my knowledge, studies utilizing standardised tests and logging tools to investigate bilingual children’s word reading and writing fluency across two different alphabetic scripts are scarce. There have been few studies analysing how bilingual children construct meaning in their writing, and none have focused on children who write in two different alphabetic scripts or those with RWD. Therefore, some aspects of the systemic functional linguistics (SFL) perspective were employed to examine how two participants with RWD created meaning in their written texts in each language. The results revealed that children with and without RWD had higher writing fluency in all measures (e.g. text lengths, writing speed) in their L2 compared to their L1. Word reading abilities in both languages were found to influence their writing fluency. The findings also showed that bilingual children without reading difficulties performed 1 standard deviation below the mean when reading words in Persian. However, their reading performance in Swedish aligned with the expected age norms, suggesting greater efficient in reading Swedish than in Persian. Furthermore, the results showed that the level of orthographic depth, consistency between graphemes and phonemes, and orthographic features can probably explain these differences across languages. The analysis of meaning-making indicated that the participants with RWD exhibited varying levels of difficulty, which influenced their knowledge and usage of writing across languages. For example, the participant with poor word recognition (PWR) presented himself similarly across genres, irrespective of the language in which he wrote. He employed the listing technique similarly across his L1 and L2. However, the participant with mixed reading difficulties (MRD) had difficulties with both transcription and text production. He produced spelling errors and frequently paused in both languages. He also struggled with word retrieval and producing coherent texts, consistent with studies of monolingual children with poor comprehension or with developmental language disorder. The results suggest that the mother tongue instruction provided to the participants has not been sufficient for them to become balanced biscriptal readers and writers in both languages. Therefore, increasing the number of hours dedicated to mother tongue instruction and motivating the children to participate in these classes could be potential strategies to address this issue. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=reading" title="reading">reading</a>, <a href="https://publications.waset.org/abstracts/search?q=writing" title=" writing"> writing</a>, <a href="https://publications.waset.org/abstracts/search?q=reading%20and%20writing%20difficulties" title=" reading and writing difficulties"> reading and writing difficulties</a>, <a href="https://publications.waset.org/abstracts/search?q=bilingual%20children" title=" bilingual children"> bilingual children</a>, <a href="https://publications.waset.org/abstracts/search?q=biscriptal" title=" biscriptal"> biscriptal</a> </p> <a href="https://publications.waset.org/abstracts/168531/reading-and-writing-of-biscriptal-children-with-and-without-reading-difficulties-in-two-alphabetic-scripts" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168531.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">71</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3</span> Coil-Over Shock Absorbers Compared to Inherent Material Damping</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Carina%20Emminger">Carina Emminger</a>, <a href="https://publications.waset.org/abstracts/search?q=Umut%20D.%20Cakmak"> Umut D. Cakmak</a>, <a href="https://publications.waset.org/abstracts/search?q=Evrim%20Burkut"> Evrim Burkut</a>, <a href="https://publications.waset.org/abstracts/search?q=Rene%20Preuer"> Rene Preuer</a>, <a href="https://publications.waset.org/abstracts/search?q=Ingrid%20Graz"> Ingrid Graz</a>, <a href="https://publications.waset.org/abstracts/search?q=Zoltan%20Major"> Zoltan Major</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Damping accompanies us daily in everyday life and is used to protect (e.g., in shoes) and make our life more comfortable (damping of unwanted motion) and calm (noise reduction). In general, damping is the absorption of energy which is either stored in the material (vibration isolation systems) or changed into heat (vibration absorbers). In case of the last, the damping mechanism can be split in active, passive, as well as semi-active (a combination of active and passive). Active damping is required to enable an almost perfect damping over the whole application range and is used, for instance, in sport cars. In contrast, passive damping is a response of the material due to external loading. Consequently, the material composition has a huge influence on the damping behavior. For elastomers, the material behavior is inherent viscoelastic, temperature, and frequency dependent. However, passive damping is not adjustable during application. Therefore, it is of importance to understand the fundamental viscoelastic behavior and the dissipation capability due to external loading. The objective of this work is to assess the limitation and applicability of viscoelastic material damping for applications in which currently coil-over shock absorbers are utilized. Coil-over shock absorbers are usually made of various mechanical parts and incorporate fluids within the damper. These shock absorbers are well-known and studied in the industry, and when needed, they can be easily adjusted during their product lifetime. In contrary, dampers made of – ideally – a single material are more resource efficient, have an easier serviceability, and are easier manufactured. However, they lack of adaptability and adjustability in service. Therefore, a case study with a remote-controlled sport car was conducted. The original shock absorbers were redesigned, and the spring-dashpot system was replaced by both an elastomer and a thermoplastic-elastomer, respectively. Here, five different formulations of elastomers were used, including a pure and an iron-particle filled thermoplastic poly(urethan) (TPU) and blends of two different poly(dimethyl siloxane) (PDMS). In addition, the TPUs were investigated as full and hollow dampers to investigate the difference between solid and structured material. To get comparative results each material formulation was comprehensively characterized, by monotonic uniaxial compression tests, dynamic thermomechanical analysis (DTMA), and rebound resilience. Moreover, the new material-based shock absorbers were compared with spring-dashpot shock absorbers. The shock absorbers were analyzed under monotonic and cyclic loading. In addition, an impact loading was applied on the remote-controlled car to measure the damping properties in operation. A servo-hydraulic high-speed linear actuator was utilized to apply the loads. The acceleration of the car and the displacement of specific measurement points were recorded while testing by a sensor and high-speed camera, respectively. The results prove that elastomers are suitable in damping applications, but they are temperature and frequency dependent. This is a limitation in applicability of viscous material damper. Feasible fields of application may be in the case of micromobility, like bicycles, e-scooters, and e-skateboards. Furthermore, the viscous material damping could be used to increase the inherent damping of a whole structure, e.g., in bicycle-frames. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=damper%20structures" title="damper structures">damper structures</a>, <a href="https://publications.waset.org/abstracts/search?q=material%20damping" title=" material damping"> material damping</a>, <a href="https://publications.waset.org/abstracts/search?q=PDMS" title=" PDMS"> PDMS</a>, <a href="https://publications.waset.org/abstracts/search?q=TPU" title=" TPU"> TPU</a> </p> <a href="https://publications.waset.org/abstracts/153969/coil-over-shock-absorbers-compared-to-inherent-material-damping" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/153969.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge 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