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Assadian</title> <meta name="description" content="Search results for: Hadi Assadian"> <meta name="keywords" content="Hadi Assadian"> <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="Hadi Assadian" 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="Hadi Assadian"> <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> 163</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Hadi Assadian</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">163</span> Push-Out Bond Strength of Two Root-End Filling Materials in Root-End Cavities Prepared by Er,Cr: YSGG Laser or Ultrasonic Technique</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Noushin%20Shokouhinejad">Noushin Shokouhinejad</a>, <a href="https://publications.waset.org/abstracts/search?q=Hasan%20Razmi"> Hasan Razmi</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Fekrazad"> Reza Fekrazad</a>, <a href="https://publications.waset.org/abstracts/search?q=Saeed%20Asgary"> Saeed Asgary</a>, <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Neshati"> Ammar Neshati</a>, <a href="https://publications.waset.org/abstracts/search?q=Hadi%20Assadian"> Hadi Assadian</a>, <a href="https://publications.waset.org/abstracts/search?q=Sanam%20Kheirieh"> Sanam Kheirieh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study compared the push-out bond strength of mineral trioxide aggregate (MTA) and a new endodontic cement (NEC) as root-end filling materials in root-end cavities prepared by ultrasonic technique (US) or Er,Cr:YSGG laser (L). Eighty single-rooted extracted human teeth were endodontically treated, apicectomised and randomly divided into four following groups (n = 20): US/MTA, US/NEC, L/MTA and L/NEC. In US/MTA and US/NEC groups, rooted cavities were prepared with ultrasonic retrotip and filled with MTA and NEC, respectively. In L/MTA and L/NEC groups, root-end cavities were prepared using Er, Cr:YSGG laser and filled with MTA and NEC, respectively. Each root was cut apically to create a 2 mm-thick root slice for measurement of bond strength using a universal testing machine. Then, all slices were examined to determine the mode of bond failure. Data were analysed using two-way ANOVA. Root-end filling materials showed significantly higher bond strength in root-end cavities prepared using the ultrasonic technique (US/MTA and US/NEC) (P < 0.001). The bond strengths of MTA and NEC did not differ significantly. The failure modes were mainly adhesive for MTA, but cohesive for NEC. In conclusion, bond strengths of MTA and NEC to root-end cavities were comparable and higher in ultrasonically prepared cavities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bond%20strength" title="bond strength">bond strength</a>, <a href="https://publications.waset.org/abstracts/search?q=Er" title=" Er"> Er</a>, <a href="https://publications.waset.org/abstracts/search?q=Cr%3AYSGG%20laser" title="Cr:YSGG laser">Cr:YSGG laser</a>, <a href="https://publications.waset.org/abstracts/search?q=MTA" title=" MTA"> MTA</a>, <a href="https://publications.waset.org/abstracts/search?q=NEC" title=" NEC"> NEC</a>, <a href="https://publications.waset.org/abstracts/search?q=root-end%20cavity" title=" root-end cavity"> root-end cavity</a> </p> <a href="https://publications.waset.org/abstracts/17770/push-out-bond-strength-of-two-root-end-filling-materials-in-root-end-cavities-prepared-by-ercr-ysgg-laser-or-ultrasonic-technique" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17770.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">345</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">162</span> Effects of Alkaline Pretreatment Parameters on the Corrosion Resistance and ‎Wettability of Magnesium Implant</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahtab%20Assadian">Mahtab Assadian</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohd%20Hasbullah%20Idris"> Mohd Hasbullah Idris</a>, <a href="https://publications.waset.org/abstracts/search?q=Mostafa%20Rezazadeh%20Shirdar"> Mostafa Rezazadeh Shirdar</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Taheri"> Mohammad Mahdi Taheri</a>, <a href="https://publications.waset.org/abstracts/search?q=%E2%80%8ES.%20Izman"> ‎S. Izman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Corrosion behaviour and surface roughness of magnesium substrate were investigated after NaOH pretreatment in different concentrations (1, 5, and 10 molar) and duration of (10 min, 30 min, 1 h, 3 h, 6 h and 24 h). Creation of Mg(OH)2 barrier layer after pretreatment enhanced corrostion resistance as well as wettability of substrate surface. Characterization including Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) was conducted to detect the existence of this barrier layer. Surface roughness and wettability of substrate was evaluated using atomic force microscopy (AFM) and contact angle measurement respectively. It is found that magnesium treated by 1M NaOH for 30 min reveals higher corrosion resistance and lower water contact angle of substrate surface. In addition, this investigation indicates that pH value of SBF solution is strongly influenced by different time and concentration of alkaline pretreatment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=magnesium" title="magnesium">magnesium</a>, <a href="https://publications.waset.org/abstracts/search?q=NaOH%20pretreatment" title=" NaOH pretreatment"> NaOH pretreatment</a>, <a href="https://publications.waset.org/abstracts/search?q=corrosion%20resistance" title=" corrosion resistance"> corrosion resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=wettability" title=" wettability"> wettability</a> </p> <a href="https://publications.waset.org/abstracts/14548/effects-of-alkaline-pretreatment-parameters-on-the-corrosion-resistance-and-wettability-of-magnesium-implant" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14548.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">961</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">161</span> The Impact of Teachers’ Beliefs and Perceptions about Formative Assessment in the University ESL Class Assistant Lecturer: Barzan Hadi Hama Karim University of Halabja</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Barzan%20Hadi%20Hama%20Karim">Barzan Hadi Hama Karim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The topic of formative assessment and its implementation in Iraqi Kurdistan have not attracted the attention of researchers and educators. Teachers’ beliefs about formative assessment as well as their assessment roles have remained unexplored. This paper reports on the research results of our survey which is conducted in 20014 to examine issues relating to formative assessment in the university ESL classroom settings. The paper portrays the findings of a qualitative study on the formative assessment role and beliefs of a group of teachers of English as a Foreign Language (EFL) in the departments of English Languages in Iraqi Kurdistan universities. Participants of the study are 25 Kurdish EFL teachers from different departments of English languages. Close-ended and open-ended questionnaire is used to collect teacher’s beliefs and perceptions about the importance of formative assessment to improve the process of teaching and learning English language. The result of the study shows that teachers do not play a significant role in the assessment process because of top-down managerial approaches and educational system. The results prove that the teachers’ assessment beliefs and their key role in assessment should not be neglected. Our research papers pursued the following questions: What is the nature of formative assessment in a second language classroom setting? Do the teacher’s assessment practices reflect what she thinks about formative assessment? What are the teachers’ perceptions regarding the benefits of formative assessment for teaching and learning English language at the university level? <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=formative%20assessment" title="formative assessment">formative assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=teachers%E2%80%99%20beliefs%20and%20perceptions" title=" teachers’ beliefs and perceptions"> teachers’ beliefs and perceptions</a>, <a href="https://publications.waset.org/abstracts/search?q=assessment" title=" assessment"> assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=education%20reform" title=" education reform"> education reform</a>, <a href="https://publications.waset.org/abstracts/search?q=ESL" title=" ESL"> ESL</a> </p> <a href="https://publications.waset.org/abstracts/25935/the-impact-of-teachers-beliefs-and-perceptions-about-formative-assessment-in-the-university-esl-class-assistant-lecturer-barzan-hadi-hama-karim-university-of-halabja" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25935.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">402</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">160</span> Analysis of Hotel Websites to Attract Tourists in Iran, Case Study: Yazd County</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Leila%20Habibi">Leila Habibi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hadi%20Hakimi"> Hadi Hakimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hadi%20Sadeghian"> Hadi Sadeghian</a>, <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Jafari%20Mehrabadi"> Maryam Jafari Mehrabadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays, the importance of information technology and web-based information in tourism is very obvious. Increasing of sales and promotion of brands, the rise of information about tourist attractions and tourist areas, entrepreneurship and making money, introducing of hotels and side information to tourists via web are some examples of website effects on tourism. The hotels using web-based information can succeed in attracting tourists and improve the quality of services to the tourists. So, the study of hotel websites has become one of the most important issues in tourism. Therefore, this research aims to analyze the status of hotel websites in Yazd County as one of the most tourist visited counties in Iran. The quality of hotel website in a county can be very vital for tourism. Hence, this research compares the status of hotel websites in Yazd County with standard indexes and items that extracted from literature and theoretical framework. Content analysis is used for analyzing hotel websites with indexes and items in methodology. In the other words, all of the items are compared with the content of hotel-websites in Yazd one by one. Finally, every hotel archived final score which represents the position of the hotel among the others. All of scores and status of hotels are displayed in their own figures. The result of this research shows that many hotels do not offer standard web-based services and information. So, the existing situation is not very suitable for the attraction of web users or improving the tourism. The result of this research may help the managers and authorities of tourism to offer and improve the web-based services and information. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=e-tourism" title="e-tourism">e-tourism</a>, <a href="https://publications.waset.org/abstracts/search?q=hotel%20websites" title=" hotel websites"> hotel websites</a>, <a href="https://publications.waset.org/abstracts/search?q=tourism" title=" tourism"> tourism</a>, <a href="https://publications.waset.org/abstracts/search?q=web-tourism" title=" web-tourism"> web-tourism</a> </p> <a href="https://publications.waset.org/abstracts/46507/analysis-of-hotel-websites-to-attract-tourists-in-iran-case-study-yazd-county" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46507.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">292</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">159</span> Analysis of Hotel Websites to Attract Tourists in Iran, Case Study: Yazd City</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Leila%20Habibi">Leila Habibi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hadi%20Hakimi"> Hadi Hakimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Jafari%20Mehrabadi"> Maryam Jafari Mehrabadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hadi%20Sadeghian"> Hadi Sadeghian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays, the importance of information technology and web- based information in tourism is very obvious. Increasing of sales and promotion of brands, the rise of information about tourist attractions and tourist areas, Entrepreneurship and making money, introducing of hotels and side information to tourists via web are some Examples of website effects on tourism. The hotels using web-based information can succeed in attracting tourists and improve the quality of services to the tourists so; the study of hotel websites has become one of the most important issues in tourism. Therefore, this research aims to analyze the status of hotel websites in Yazd City as one of the most tourist visited counties in Iran. The quality of hotel website in a city such as this city can be very vital for tourism. Hence, this research compares the status of hotel websites in Yazd City with standard indexes and items that extracted from Literature and theoretical framework. It is used content analysis for analyzing of hotel websites with indexes and items in methodology. In the other words, all of the items is compared with the content of hotel-websites in Yazd one by one. Finally, every hotel archived final score and it represents the position of the hotel among the others. All of scores and status of hotels is displayed in their own Figures. The result of this research shows that many hotels do not offer standard web -based services and information. So, the existing situation is not very suitable for the attraction of web users or improving the tourism. The result of this research may help the managers and authorities of tourism to offer and improve the web- based services and information. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=e-tourism" title="e-tourism">e-tourism</a>, <a href="https://publications.waset.org/abstracts/search?q=hotel%20websites" title=" hotel websites"> hotel websites</a>, <a href="https://publications.waset.org/abstracts/search?q=tourism" title=" tourism"> tourism</a>, <a href="https://publications.waset.org/abstracts/search?q=web-tourism" title=" web-tourism"> web-tourism</a> </p> <a href="https://publications.waset.org/abstracts/48445/analysis-of-hotel-websites-to-attract-tourists-in-iran-case-study-yazd-city" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48445.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">293</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">158</span> Fixed Point of Lipschitz Quasi Nonexpansive Mappings</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Moosavi">Maryam Moosavi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hadi%20Khatibzadeh"> Hadi Khatibzadeh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main purpose of this paper is to study the proximal point algorithm for quasi-nonexpansive mappings in Hadamard spaces. △-convergence and strong convergence of cyclic resolvents for a finite family of quasi-nonexpansive mappings one to a fixed point of the mappings are established <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fixed%20point" title="Fixed point">Fixed point</a>, <a href="https://publications.waset.org/abstracts/search?q=Hadamard%20space" title=" Hadamard space"> Hadamard space</a>, <a href="https://publications.waset.org/abstracts/search?q=Proximal%20point%20algorithm" title=" Proximal point algorithm"> Proximal point algorithm</a>, <a href="https://publications.waset.org/abstracts/search?q=Quasi-nonexpansive%20sequence%20of%20mappings" title=" Quasi-nonexpansive sequence of mappings"> Quasi-nonexpansive sequence of mappings</a>, <a href="https://publications.waset.org/abstracts/search?q=Resolvent" title=" Resolvent"> Resolvent</a> </p> <a href="https://publications.waset.org/abstracts/163471/fixed-point-of-lipschitz-quasi-nonexpansive-mappings" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163471.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">90</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">157</span> Design and Analysis of a Clustered Nozzle Configuration and Comparison of Its Thrust</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdul%20Hadi%20Butt">Abdul Hadi Butt</a>, <a href="https://publications.waset.org/abstracts/search?q=Asfandyar%20Arshad"> Asfandyar Arshad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this paper is to study the thrust variation in different configurations of clustered nozzles. It involves the design and analysis of clustered configuration of nozzles using Ansys fluent. Clustered nozzles with different configurations are simulated and compared on basis of effective exhaust thrust. Mixing length for the flow interaction is also calculated. Further clustered configurations are analyzed over different altitudes. An optimum value of the thrust among different configurations is proposed at the end of comparisons. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CD%20nozzle" title="CD nozzle">CD nozzle</a>, <a href="https://publications.waset.org/abstracts/search?q=cluster" title=" cluster"> cluster</a>, <a href="https://publications.waset.org/abstracts/search?q=thrust" title=" thrust"> thrust</a>, <a href="https://publications.waset.org/abstracts/search?q=fluent" title=" fluent"> fluent</a>, <a href="https://publications.waset.org/abstracts/search?q=ANSYS" title=" ANSYS"> ANSYS</a> </p> <a href="https://publications.waset.org/abstracts/47169/design-and-analysis-of-a-clustered-nozzle-configuration-and-comparison-of-its-thrust" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47169.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">401</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">156</span> Risk Based on Computer Auditing and Measures of ‎Prevention</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Hadi%20Khorashadi%20Zadeh">Mohammad Hadi Khorashadi Zadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Amin%20Karkon"> Amin Karkon</a>, <a href="https://publications.waset.org/abstracts/search?q=Seyd%20Mohammad%20Reza%20Mashhoori"> Seyd Mohammad Reza Mashhoori</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The technology of computer audit played a major role in the progress and prospects of a proper application to improve the quality and efficiency of audit work. But due to the technical complexity and the specific risks of computer audit, it should be shown effective in audit and preventive action. Mainly through research in this paper, we propose the causes of audit risk in a computer environment and the risk of further proposals for measures to control, to some extent reduce the risk of computer audit and improve the audit quality. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=computer%20auditing" title="computer auditing">computer auditing</a>, <a href="https://publications.waset.org/abstracts/search?q=risk" title=" risk"> risk</a>, <a href="https://publications.waset.org/abstracts/search?q=measures%20to%20prevent" title=" measures to prevent"> measures to prevent</a>, <a href="https://publications.waset.org/abstracts/search?q=information%20management" title=" information management"> information management</a> </p> <a href="https://publications.waset.org/abstracts/46033/risk-based-on-computer-auditing-and-measures-of-prevention" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46033.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">525</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">155</span> Risk-Based Computer Auditing and Measures of Prevention</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Hadi%20Khorashadi%20Zadeh">Mohammad Hadi Khorashadi Zadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Amin%20Karkon"> Amin Karkon</a>, <a href="https://publications.waset.org/abstracts/search?q=Seyd%20Mohammad%20Reza%20Mashhoori%20%E2%80%8E"> Seyd Mohammad Reza Mashhoori ‎</a> </p> <p class="card-text"><strong>Abstract:</strong></p> the technology of Computer audit played a major role in the progress and ‎prospects of a proper application to improve the quality and efficiency of audit ‎work. But due to the technical complexity and the specific risks of computer ‎audit, it should be shown effective in audit and preventive action. Mainly through ‎research in this paper, we proposes the causes of audit risk in a computer ‎environment and the risk of further proposals for measures to control, to some ‎extent reduce the risk of computer audit and improve the audit quality.‎ <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=computer%20auditing" title="computer auditing">computer auditing</a>, <a href="https://publications.waset.org/abstracts/search?q=risk" title=" risk"> risk</a>, <a href="https://publications.waset.org/abstracts/search?q=measures%20to%20prevent" title=" measures to prevent"> measures to prevent</a>, <a href="https://publications.waset.org/abstracts/search?q=information%20technology" title="information technology">information technology</a> </p> <a href="https://publications.waset.org/abstracts/46967/risk-based-computer-auditing-and-measures-of-prevention" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46967.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">489</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">154</span> The Effect of Urmia-Lake Water on Tensional Strength Concrete with Various Admixtures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hadi%20Barghlame">Hadi Barghlame</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20Lotfollahi-Yaghin"> M. A. Lotfollahi-Yaghin</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehdi%20Mohammad%20Rezaei"> Mehdi Mohammad Rezaei</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, the effect of admixtures on the tensional strength of concrete in Urmia-lake water have been investigated. We made different types of concretes with the ratio of w/c and replaced different percentages of micro-silica, air-entraining, super plasticizer, corrosion-inhibiting, and caulk with two types of cement I and II as well as investigating in both ordinary water and Urmia-lake water. The tensional strength was investigated on these samples. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Urmia-lake%20water" title="Urmia-lake water">Urmia-lake water</a>, <a href="https://publications.waset.org/abstracts/search?q=tensional%20strength" title=" tensional strength"> tensional strength</a>, <a href="https://publications.waset.org/abstracts/search?q=concrete" title=" concrete"> concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=admixtures" title=" admixtures"> admixtures</a> </p> <a href="https://publications.waset.org/abstracts/11519/the-effect-of-urmia-lake-water-on-tensional-strength-concrete-with-various-admixtures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11519.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">153</span> Entrepreneurship under the Effect of Information Technology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Hadi%20Khorashadi%20Zadeh%20%E2%80%8E">Mohammad Hadi Khorashadi Zadeh ‎</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An entrepreneur is a manager or the owner of the commercial company that creates resources and money by risking and initiative. The Netpreneur is the capability to run an online business. It needs only the Connectivity. An Entrepreneur, as long as he has a service which the market demands can set up a feasible and viable trade with his Intellectual Capital as the principle input and the Connectivity Infrastructure as the only physical input. The internet is possibly the most significant revolution in science and technology that our generation could fantasize or imagine. It has introduced in various benefits to the society, culture, economics and politics. The entrepreneur is a premium member in the community. She/he provides services to the society and community including employment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=entrepreneur" title="entrepreneur">entrepreneur</a>, <a href="https://publications.waset.org/abstracts/search?q=Netpreneur" title=" Netpreneur"> Netpreneur</a>, <a href="https://publications.waset.org/abstracts/search?q=intellectual%20capital" title=" intellectual capital"> intellectual capital</a>, <a href="https://publications.waset.org/abstracts/search?q=infrastructure" title=" infrastructure"> infrastructure</a> </p> <a href="https://publications.waset.org/abstracts/45738/entrepreneurship-under-the-effect-of-information-technology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45738.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">327</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">152</span> Genome Analyses of Pseudomonas Fluorescens b29b from Coastal Kerala</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wael%20Ali%20Mohammed%20Hadi">Wael Ali Mohammed Hadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Pseudomonas fluorescens B29B, which has asparaginase enzymatic activity, was isolated from the surface coastal seawater of Trivandrum, India. We report the complete Pseudomonas fluorescens B29B genome sequenced, identified, and annotated from a marine source. We find the genome at most minuscule a 7,331,508 bp single circular chromosome with a GC content of 62.19% and 6883 protein-coding genes. Three hundred forty subsystems were identified, including two predicted asparaginases from the genome analysis of P. fluorescens B29B for further investigation. This genome data will help further industrial biotechnology applications of proteins in general and asparaginase as a target. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pseudomonas" title="pseudomonas">pseudomonas</a>, <a href="https://publications.waset.org/abstracts/search?q=marine" title=" marine"> marine</a>, <a href="https://publications.waset.org/abstracts/search?q=asparaginases" title=" asparaginases"> asparaginases</a>, <a href="https://publications.waset.org/abstracts/search?q=Kerala" title=" Kerala"> Kerala</a>, <a href="https://publications.waset.org/abstracts/search?q=whole-genome" title=" whole-genome"> whole-genome</a> </p> <a href="https://publications.waset.org/abstracts/139283/genome-analyses-of-pseudomonas-fluorescens-b29b-from-coastal-kerala" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/139283.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">214</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">151</span> Towards the Design of Gripper Independent of Substrate Surface Structures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Annika%20Schmidt">Annika Schmidt</a>, <a href="https://publications.waset.org/abstracts/search?q=Ausama%20Hadi%20Ahmed"> Ausama Hadi Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlo%20Menon"> Carlo Menon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> End effectors for robotic systems are becoming more and more advanced, resulting in a growing variety of gripping tasks. However, most grippers are application specific. This paper presents a gripper that interacts with an object’s surface rather than being dependent on a defined shape or size. For this purpose, ingressive and astrictive features are combined to achieve the desired gripping capabilities. The developed prototype is tested on a variety of surfaces with different hardness and roughness properties. The results show that the gripping mechanism works on all of the tested surfaces. The influence of the material properties on the amount of the supported load is also studied and the efficiency is discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=claw" title="claw">claw</a>, <a href="https://publications.waset.org/abstracts/search?q=dry%20adhesion" title=" dry adhesion"> dry adhesion</a>, <a href="https://publications.waset.org/abstracts/search?q=insects" title=" insects"> insects</a>, <a href="https://publications.waset.org/abstracts/search?q=material%20properties" title=" material properties"> material properties</a> </p> <a href="https://publications.waset.org/abstracts/47379/towards-the-design-of-gripper-independent-of-substrate-surface-structures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47379.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">359</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">150</span> An Extended Inverse Pareto Distribution, with Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdel%20Hadi%20Ebraheim">Abdel Hadi Ebraheim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper introduces a new extension of the Inverse Pareto distribution in the framework of Marshal-Olkin (1997) family of distributions. This model is capable of modeling various shapes of aging and failure data. The statistical properties of the new model are discussed. Several methods are used to estimate the parameters involved. Explicit expressions are derived for different types of moments of value in reliability analysis are obtained. Besides, the order statistics of samples from the new proposed model have been studied. Finally, the usefulness of the new model for modeling reliability data is illustrated using two real data sets with simulation study. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pareto%20distribution" title="pareto distribution">pareto distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=marshal-Olkin" title=" marshal-Olkin"> marshal-Olkin</a>, <a href="https://publications.waset.org/abstracts/search?q=reliability" title=" reliability"> reliability</a>, <a href="https://publications.waset.org/abstracts/search?q=hazard%20functions" title=" hazard functions"> hazard functions</a>, <a href="https://publications.waset.org/abstracts/search?q=moments" title=" moments"> moments</a>, <a href="https://publications.waset.org/abstracts/search?q=estimation" title=" estimation"> estimation</a> </p> <a href="https://publications.waset.org/abstracts/169013/an-extended-inverse-pareto-distribution-with-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/169013.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">82</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">149</span> Poly Urea-Formaldehyde for Preconcentration and Determination of Cadmium Ion in Environmental Samples</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Homayon%20Ahmad%20Panahi">Homayon Ahmad Panahi</a>, <a href="https://publications.waset.org/abstracts/search?q=Samira%20Tajik"> Samira Tajik</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamad%20Hadi%20Dehghani"> Mohamad Hadi Dehghani</a>, <a href="https://publications.waset.org/abstracts/search?q=Mostafa%20Khezri"> Mostafa Khezri</a>, <a href="https://publications.waset.org/abstracts/search?q=Elham%20Moniri"> Elham Moniri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this research, poly urea-formaldehyde was prepared. The poly urea-formaldehyde was characterized by fourier transform infra-red spectroscopy. Then the effects of various parameters on Cd (II) sorption such as pH, contact time were studied. The optimum pH value for sorption of Cd(II) was 5.5. The sorption capacity of poly urea-formaldehyde for Cd (II) were 76.3 mg g−1. A Cd (II) removal of 55% was obtained. The profile of Cd (II) uptake on this sorbent reflects good accessibility of the chelating sites in the poly urea-formaldehyde. The developed method was utilized for determination of Cd (II) in environmental water samples by flame atomic absorption spectrometry with satisfactory results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=poly%20urea-formaldehyde" title="poly urea-formaldehyde">poly urea-formaldehyde</a>, <a href="https://publications.waset.org/abstracts/search?q=cadmium%20ion" title=" cadmium ion"> cadmium ion</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20sample" title=" environmental sample"> environmental sample</a>, <a href="https://publications.waset.org/abstracts/search?q=determination" title=" determination "> determination </a> </p> <a href="https://publications.waset.org/abstracts/15609/poly-urea-formaldehyde-for-preconcentration-and-determination-of-cadmium-ion-in-environmental-samples" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15609.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">547</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">148</span> Adaptive Routing Protocol for Dynamic Wireless Sensor Networks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fayez%20Mostafa%20Alhamoui">Fayez Mostafa Alhamoui</a>, <a href="https://publications.waset.org/abstracts/search?q=Adnan%20Hadi%20Mahdi%20Al-%20Helali"> Adnan Hadi Mahdi Al- Helali</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main issue in designing a wireless sensor network (WSN) is the finding of a proper routing protocol that complies with the several requirements of high reliability, short latency, scalability, low power consumption, and many others. This paper proposes a novel routing algorithm that complies with these design requirements. The new routing protocol divides the WSN into several sub-networks and each sub-network is divided into several clusters. This division is designed to reduce the number of radio transmission and hence decreases the power consumption. The network division may be changed dynamically to adapt with the network changes and allows the realization of the design requirements. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wireless%20sensor%20networks" title="wireless sensor networks">wireless sensor networks</a>, <a href="https://publications.waset.org/abstracts/search?q=routing%20protocols" title=" routing protocols"> routing protocols</a>, <a href="https://publications.waset.org/abstracts/search?q=AD%20HOC%20topology" title=" AD HOC topology"> AD HOC topology</a>, <a href="https://publications.waset.org/abstracts/search?q=cluster" title=" cluster"> cluster</a>, <a href="https://publications.waset.org/abstracts/search?q=sub-network" title=" sub-network"> sub-network</a>, <a href="https://publications.waset.org/abstracts/search?q=WSN%20design%20requirements" title=" WSN design requirements"> WSN design requirements</a> </p> <a href="https://publications.waset.org/abstracts/37365/adaptive-routing-protocol-for-dynamic-wireless-sensor-networks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37365.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">537</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">147</span> The Influence of Winding Angle on Functional Failure of FRP Pipes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Roham%20Rafiee">Roham Rafiee</a>, <a href="https://publications.waset.org/abstracts/search?q=Hadi%20Hesamsadat"> Hadi Hesamsadat</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, a parametric finite element modeling is developed to analyze failure modes of FRP pipes subjected to internal pressure. First-ply failure pressure and functional failure pressure was determined by a progressive damage modeling and then it is validated using experimental observations. The influence of both winding angle and fiber volume fraction is studied on the functional failure of FRP pipes and it corresponding pressure. It is observed that despite the fact that increasing fiber volume fraction will enhance the mechanical properties, it will be resulted in lower values for functional failure pressure. This shortcoming can be compensated by modifying the winding angle in angle plies of pipe wall structure. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=composite%20pipe" title="composite pipe">composite pipe</a>, <a href="https://publications.waset.org/abstracts/search?q=functional%20failure" title=" functional failure"> functional failure</a>, <a href="https://publications.waset.org/abstracts/search?q=progressive%20modeling" title=" progressive modeling"> progressive modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=winding%20angle" title=" winding angle"> winding angle</a> </p> <a href="https://publications.waset.org/abstracts/1399/the-influence-of-winding-angle-on-functional-failure-of-frp-pipes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1399.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">545</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">146</span> Enterprise Security Architecture: Approaches and a Framework</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amir%20Mohtarami">Amir Mohtarami</a>, <a href="https://publications.waset.org/abstracts/search?q=Hadi%20Kandjani"> Hadi Kandjani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The amount of business-critical information in enterprises is growing at an extraordinary rate, and the ability to catalog that information and properly protect it using traditional security mechanisms is not keeping pace. Alongside the Information Technology (IT), information security needs a holistic view in enterprise. In other words, a comprehensive architectural approach is required, focusing on the information itself, understanding what the data are, who owns it, and which business and regulatory policies should be applied to the information. Enterprise Architecture Frameworks provide useful tools to grasp different dimensions of IT in organizations. Usually this is done by the layered views on IT architecture, but not requisite security attention has been held in this frameworks. In this paper, after a brief look at the Enterprise Architecture (EA), we discuss the issue of security in the overall enterprise IT architecture. Due to the increasing importance of security, a rigorous EA program in an enterprise should be able to consider security architecture as an integral part of its processes and gives a visible roadmap and blueprint for this aim. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=enterprise%20architecture" title="enterprise architecture">enterprise architecture</a>, <a href="https://publications.waset.org/abstracts/search?q=architecture%20framework" title=" architecture framework"> architecture framework</a>, <a href="https://publications.waset.org/abstracts/search?q=security%20architecture" title=" security architecture"> security architecture</a>, <a href="https://publications.waset.org/abstracts/search?q=information%20systems" title=" information systems"> information systems</a> </p> <a href="https://publications.waset.org/abstracts/26788/enterprise-security-architecture-approaches-and-a-framework" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26788.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">704</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">145</span> Biodegradation of Cellulosic Materials by Marine Fungi Isolated from South Corniche of Jeddah, Saudi Arabia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fuad%20Ameen">Fuad Ameen</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Moslem"> Mohamed Moslem</a>, <a href="https://publications.waset.org/abstracts/search?q=Sarfaraz%20Hadi"> Sarfaraz Hadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Twenty-eight fungal isolates belonging to 12 genera were derived from debris, sediment and water samples collected from Avicennia marina stands 25km south of Jeddah city on the Red Sea coast of Saudi Arabia. Eight of these isolates were found to be able to grow in association cellulosic waste materials under in vitro conditions in the absence of any carbon source. Isolates were further tested for their potential to degrade paper and clothes wastes by co-cultivation under aeration on a rotary shaker. These fungi accumulated significantly higher biomass, produced ligninolytic and cellulase enzymes, and liberated larger volumes of CO2. These observations indicated that the selected isolates were able to break down and consume the waste materials. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biodegradation" title="biodegradation">biodegradation</a>, <a href="https://publications.waset.org/abstracts/search?q=enzyme%20activity" title=" enzyme activity"> enzyme activity</a>, <a href="https://publications.waset.org/abstracts/search?q=waste%20materials" title=" waste materials"> waste materials</a>, <a href="https://publications.waset.org/abstracts/search?q=mangrove" title=" mangrove"> mangrove</a> </p> <a href="https://publications.waset.org/abstracts/22825/biodegradation-of-cellulosic-materials-by-marine-fungi-isolated-from-south-corniche-of-jeddah-saudi-arabia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22825.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">565</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">144</span> Evaluation of Dynamic Behavior of a Rotor-Bearing System in Operating Conditions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Hadi%20Jalali">Mohammad Hadi Jalali</a>, <a href="https://publications.waset.org/abstracts/search?q=Behrooz%20Shahriari"> Behrooz Shahriari</a>, <a href="https://publications.waset.org/abstracts/search?q=Mostafa%20Ghayour"> Mostafa Ghayour</a>, <a href="https://publications.waset.org/abstracts/search?q=Saeed%20Ziaei-Rad"> Saeed Ziaei-Rad</a>, <a href="https://publications.waset.org/abstracts/search?q=Shahram%20Yousefi"> Shahram Yousefi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Most flexible rotors can be considered as beam-like structures. In many cases, rotors are modeled as one-dimensional bodies, made basically of beam-like shafts with rigid bodies attached to them. This approach is typical of rotor dynamics, both analytical and numerical, and several rotor dynamic codes, based on the finite element method, follow this trend. In this paper, a finite element model based on Timoshenko beam elements is utilized to analyze the lateral dynamic behavior of a certain rotor-bearing system in operating conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20method" title="finite element method">finite element method</a>, <a href="https://publications.waset.org/abstracts/search?q=Timoshenko%20beam%20elements" title=" Timoshenko beam elements"> Timoshenko beam elements</a>, <a href="https://publications.waset.org/abstracts/search?q=operational%20deflection%20shape" title=" operational deflection shape"> operational deflection shape</a>, <a href="https://publications.waset.org/abstracts/search?q=unbalance%20response" title=" unbalance response"> unbalance response</a> </p> <a href="https://publications.waset.org/abstracts/14182/evaluation-of-dynamic-behavior-of-a-rotor-bearing-system-in-operating-conditions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14182.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">426</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">143</span> Nickel and Chromium Distributions in Soil and Plant Influenced by Geogenic Sources</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamad%20Sakizadeh">Mohamad Sakizadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatemeh%20Mehrabi%20Sharafabadi"> Fatemeh Mehrabi Sharafabadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hadi%20Ghorbani"> Hadi Ghorbani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Concentrations of Cr and Ni in 97 plant samples (belonged to eight different plant species) and the associated soil groups were considered in this study. The amounts of Ni in soil groups fluctuated between 26.8 and 36.8 mgkg⁻¹ whereas the related levels of chromium ranged from 67.7 to 94.3mgkg⁻¹. The index of geoaccumulation indicated that 87 percents of the studied soils for chromium and 98.8 percents for nickel are located in uncontaminated zone. The results of Mann-Whitney U-test proved that agricultural practices have not significantly influenced the values of Ni and Cr. In addition, tillage had also little impact on the Ni and Cr transfer in the surface soil. Ni showed higher accumulation and soil-to-plant transfer factor compared with that of chromium in the studied plants. There was a high similarity between the accumulation pattern of Cr and Fe in most of the plant species. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bioconcentration%20factor" title="bioconcentration factor">bioconcentration factor</a>, <a href="https://publications.waset.org/abstracts/search?q=chromium" title=" chromium"> chromium</a>, <a href="https://publications.waset.org/abstracts/search?q=geoaccumulation%20index" title=" geoaccumulation index"> geoaccumulation index</a>, <a href="https://publications.waset.org/abstracts/search?q=nickel" title=" nickel"> nickel</a> </p> <a href="https://publications.waset.org/abstracts/61487/nickel-and-chromium-distributions-in-soil-and-plant-influenced-by-geogenic-sources" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61487.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">358</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">142</span> Evaluation of Drilling-Induced Delamination of Flax/Epoxy Composites by Non-Destructive Testing Methods</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hadi%20Rezghimaleki">Hadi Rezghimaleki</a>, <a href="https://publications.waset.org/abstracts/search?q=Masatoshi%20Kubouchi"> Masatoshi Kubouchi</a>, <a href="https://publications.waset.org/abstracts/search?q=Yoshihiko%20Arao"> Yoshihiko Arao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The use of natural fiber composites (NFCs) is growing at a fast rate regarding industrial applications and principle researches due to their eco-friendly, renewable nature, and low density/costs. Drilling is one of the most important machining operations that are carried out on natural fiber composites. Delamination is a major concern in the drilling process of NFCs that affects the structural integrity and long-term reliability of the machined components. Flax fiber reinforced epoxy composite laminates were prepared by hot press technique. In this research, we evaluated drilling-induced delamination of flax/epoxy composites by X-ray computed tomography (CT), ultrasonic testing (UT), and optical methods and compared the results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=natural%20fiber%20composites" title="natural fiber composites">natural fiber composites</a>, <a href="https://publications.waset.org/abstracts/search?q=flax%2Fepoxy" title=" flax/epoxy"> flax/epoxy</a>, <a href="https://publications.waset.org/abstracts/search?q=X-ray%20CT" title=" X-ray CT"> X-ray CT</a>, <a href="https://publications.waset.org/abstracts/search?q=ultrasonic%20testing" title=" ultrasonic testing"> ultrasonic testing</a> </p> <a href="https://publications.waset.org/abstracts/50723/evaluation-of-drilling-induced-delamination-of-flaxepoxy-composites-by-non-destructive-testing-methods" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/50723.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">298</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">141</span> Using Adaptive Pole Placement Control Strategy for Active Steering Safety System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hadi%20Adibi-Asl">Hadi Adibi-Asl</a>, <a href="https://publications.waset.org/abstracts/search?q=Alireza%20Doosthosseini"> Alireza Doosthosseini</a>, <a href="https://publications.waset.org/abstracts/search?q=Amir%20Taghavipour"> Amir Taghavipour</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper studies the design of an adaptive control strategy to tune an active steering system for better drivability and maneuverability. In the first step, adaptive control strategy is applied to estimate the uncertain parameters on-line (e.g. cornering stiffness), then the estimated parameters are fed into the pole placement controller to generate corrective feedback gain to improve the steering system dynamic’s characteristics. The simulations are evaluated for three types of road conditions (dry, wet, and icy), and the performance of the adaptive pole placement control (APPC) are compared with pole placement control (PPC) and a passive system. The results show that the APPC strategy significantly improves the yaw rate and side slip angle of a bicycle plant model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adaptive%20control" title="adaptive control">adaptive control</a>, <a href="https://publications.waset.org/abstracts/search?q=active%20steering" title=" active steering"> active steering</a>, <a href="https://publications.waset.org/abstracts/search?q=pole%20placement" title=" pole placement"> pole placement</a>, <a href="https://publications.waset.org/abstracts/search?q=vehicle%20dynamics" title=" vehicle dynamics"> vehicle dynamics</a> </p> <a href="https://publications.waset.org/abstracts/59941/using-adaptive-pole-placement-control-strategy-for-active-steering-safety-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59941.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">467</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">140</span> Design and Performance Evaluation of Synchronous Reluctance Machine (SynRM)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hadi%20Aghazadeh">Hadi Aghazadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammadreza%20Naeimi"> Mohammadreza Naeimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Ebrahim%20Afjei"> Seyed Ebrahim Afjei</a>, <a href="https://publications.waset.org/abstracts/search?q=Alireza%20Siadatan"> Alireza Siadatan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Torque ripple, maximum torque and high efficiency are important issues in synchronous reluctance machine (SynRM). This paper presents a view on design of a high efficiency, low torque ripple and high torque density SynRM. To achieve this goal SynRM parameters is calculated (such as insulation ratios in the d-and q-axes and the rotor slot pitch), while the torque ripple can be minimized by determining the best rotor slot pitch in the d-axis. The presented analytical-finite element method (FEM) approach gives the optimum distribution of air gap and iron portion for the maximizing torque density with minimum torque ripple. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=torque%20ripple" title="torque ripple">torque ripple</a>, <a href="https://publications.waset.org/abstracts/search?q=efficiency" title=" efficiency"> efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=insulation%20ratio" title=" insulation ratio"> insulation ratio</a>, <a href="https://publications.waset.org/abstracts/search?q=FEM" title=" FEM"> FEM</a>, <a href="https://publications.waset.org/abstracts/search?q=synchronous%20reluctance%20machine%20%28SynRM%29" title=" synchronous reluctance machine (SynRM)"> synchronous reluctance machine (SynRM)</a>, <a href="https://publications.waset.org/abstracts/search?q=induction%20motor%20%28IM%29" title=" induction motor (IM)"> induction motor (IM)</a> </p> <a href="https://publications.waset.org/abstracts/85364/design-and-performance-evaluation-of-synchronous-reluctance-machine-synrm" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85364.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">227</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">139</span> Predicting Groundwater Areas Using Data Mining Techniques: Groundwater in Jordan as Case Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Faisal%20Aburub">Faisal Aburub</a>, <a href="https://publications.waset.org/abstracts/search?q=Wael%20Hadi"> Wael Hadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Data mining is the process of extracting useful or hidden information from a large database. Extracted information can be used to discover relationships among features, where data objects are grouped according to logical relationships; or to predict unseen objects to one of the predefined groups. In this paper, we aim to investigate four well-known data mining algorithms in order to predict groundwater areas in Jordan. These algorithms are Support Vector Machines (SVMs), Naïve Bayes (NB), K-Nearest Neighbor (kNN) and Classification Based on Association Rule (CBA). The experimental results indicate that the SVMs algorithm outperformed other algorithms in terms of classification accuracy, precision and F1 evaluation measures using the datasets of groundwater areas that were collected from Jordanian Ministry of Water and Irrigation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=classification" title="classification">classification</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20mining" title=" data mining"> data mining</a>, <a href="https://publications.waset.org/abstracts/search?q=evaluation%20measures" title=" evaluation measures"> evaluation measures</a>, <a href="https://publications.waset.org/abstracts/search?q=groundwater" title=" groundwater"> groundwater</a> </p> <a href="https://publications.waset.org/abstracts/49437/predicting-groundwater-areas-using-data-mining-techniques-groundwater-in-jordan-as-case-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49437.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">279</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">138</span> The Lateral and Torsional Vibration Analysis of a Rotor-Bearing System Using Transfer Matrix Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Hadi%20Jalali">Mohammad Hadi Jalali</a>, <a href="https://publications.waset.org/abstracts/search?q=Mostafa%20Ghayour"> Mostafa Ghayour</a>, <a href="https://publications.waset.org/abstracts/search?q=Saeed%20Ziaei-Rad"> Saeed Ziaei-Rad</a>, <a href="https://publications.waset.org/abstracts/search?q=Behrooz%20Shahriari"> Behrooz Shahriari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The vibration problems that can be occurred in the operational conditions of rotating machines may cause damage to the machine or even failure of the machine completely. Therefore, dynamic analysis of rotors is vital in the design and development stages of the rotating machines. In this study, the uncoupled torsional and lateral vibration analysis of a rotor-bearing system is carried out using transfer matrix method. The Campbell diagram, critical speed and the mode shape corresponding to the critical speed are obtained in order to evaluate the dynamic behavior of the rotor. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=transfer%20matrix%20method" title="transfer matrix method">transfer matrix method</a>, <a href="https://publications.waset.org/abstracts/search?q=rotor-bearing%20system" title=" rotor-bearing system"> rotor-bearing system</a>, <a href="https://publications.waset.org/abstracts/search?q=campbell%20diagram" title=" campbell diagram"> campbell diagram</a>, <a href="https://publications.waset.org/abstracts/search?q=critical%20speed" title=" critical speed"> critical speed</a> </p> <a href="https://publications.waset.org/abstracts/14183/the-lateral-and-torsional-vibration-analysis-of-a-rotor-bearing-system-using-transfer-matrix-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14183.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">492</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">137</span> Numerical Analysis of Multiplicity and Transition Phenomena in Natural Convection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hadi%20Kafil">Hadi Kafil</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Ecder"> Ali Ecder</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Heat transfer by natural convection in two-dimensional and three-dimensional axisymmetric enclosure fitted with partially heated vertical walls is investigated numerically. The range of Rayleigh number is varied from 10³ until convective flow becomes unstable. This research focuses on multiplicity and transition phenomena in natural convection and is based on a parametric analysis to study the onset of bifurcations. It is found that, even at low Rayleigh numbers, the flow undergoes a series of turning-point bifurcations which increase the rate of natural convention. On the other hand, by partially heating or cooling the walls, more effective results can be achieved for both heating and cooling applications, such as cooling of electronic devices and heating processes in solidification and crystal growth. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=natural%20convection" title="natural convection">natural convection</a>, <a href="https://publications.waset.org/abstracts/search?q=partial%20heated" title=" partial heated"> partial heated</a>, <a href="https://publications.waset.org/abstracts/search?q=onset%20of%20bifurcation" title=" onset of bifurcation"> onset of bifurcation</a>, <a href="https://publications.waset.org/abstracts/search?q=Rayleigh%20number" title=" Rayleigh number"> Rayleigh number</a> </p> <a href="https://publications.waset.org/abstracts/11789/numerical-analysis-of-multiplicity-and-transition-phenomena-in-natural-convection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11789.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">370</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">136</span> Empirical Mode Decomposition Based Denoising by Customized Thresholding</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wahiba%20Mohguen">Wahiba Mohguen</a>, <a href="https://publications.waset.org/abstracts/search?q=Ra%C3%AFs%20El%E2%80%99hadi%20Bekka"> Raïs El’hadi Bekka</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents a denoising method called EMD-Custom that was based on Empirical Mode Decomposition (EMD) and the modified Customized Thresholding Function (Custom) algorithms. EMD was applied to decompose adaptively a noisy signal into intrinsic mode functions (IMFs). Then, all the noisy IMFs got threshold by applying the presented thresholding function to suppress noise and to improve the signal to noise ratio (SNR). The method was tested on simulated data and real ECG signal, and the results were compared to the EMD-Based signal denoising methods using the soft and hard thresholding. The results showed the superior performance of the proposed EMD-Custom denoising over the traditional approach. The performances were evaluated in terms of SNR in dB, and Mean Square Error (MSE). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=customized%20thresholding" title="customized thresholding">customized thresholding</a>, <a href="https://publications.waset.org/abstracts/search?q=ECG%20signal" title=" ECG signal"> ECG signal</a>, <a href="https://publications.waset.org/abstracts/search?q=EMD" title=" EMD"> EMD</a>, <a href="https://publications.waset.org/abstracts/search?q=hard%20thresholding" title=" hard thresholding"> hard thresholding</a>, <a href="https://publications.waset.org/abstracts/search?q=soft-thresholding" title=" soft-thresholding"> soft-thresholding</a> </p> <a href="https://publications.waset.org/abstracts/67421/empirical-mode-decomposition-based-denoising-by-customized-thresholding" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67421.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">302</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">135</span> Investigating the Capacity of Cracking Torsion of Rectangular and Cylindrical RC Beams with Spiral and Normal Stirrups </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hadi%20Barghlame">Hadi Barghlame</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20Lotfollahi-Yaghin"> M. A. Lotfollahi-Yaghin</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehdi%20Mohammad%20Rezaei"> Mehdi Mohammad Rezaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Saeed%20Eskanderzadeh"> Saeed Eskanderzadeh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, the capacity of cracking torsion on rectangular and cylindrical beams with spiral and normal stirrups in similar properties are investigated. Also, in the beams with spiral stirrups, stirrups are not wrapping and spiral stirrups similar to normal stirrups in ACI code. Therefore, models of above-mentioned beams have been numerically analyzed under various loads using ANSYS software. In this research, the behavior of rectangular reinforced concrete beams is compared with the cylindrical reinforced concrete beams. The capacity of cracking torsion of rectangular and cylindrical RC beams with spiral and normal stirrups are same. In the other words, the behavior of rectangular RC beams is similar to cylindrical beams. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cracking%20torsion" title="cracking torsion">cracking torsion</a>, <a href="https://publications.waset.org/abstracts/search?q=RC%20beams" title=" RC beams"> RC beams</a>, <a href="https://publications.waset.org/abstracts/search?q=spiral%20stirrups" title=" spiral stirrups"> spiral stirrups</a>, <a href="https://publications.waset.org/abstracts/search?q=normal%20stirrups" title=" normal stirrups"> normal stirrups</a> </p> <a href="https://publications.waset.org/abstracts/33354/investigating-the-capacity-of-cracking-torsion-of-rectangular-and-cylindrical-rc-beams-with-spiral-and-normal-stirrups" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33354.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">290</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">134</span> Antifungal Activity of Commiphora myrrha L. against Some Air Fungi</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20E.%20Al-Sabri">Ahmed E. Al-Sabri</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20A.%20Moslem"> Mohamed A. Moslem</a>, <a href="https://publications.waset.org/abstracts/search?q=Sarfaraz%20Hadi"> Sarfaraz Hadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> To avoid the harmful effects of the chemical fungicides on the human and minimize the environmental pollution, an alternative eco-friendly control strategies should be developed. The extract of Commiphora myhrra L. was tested against twenty fungal genera isolated from the indoor air collected from different rooms in King Saud University, Kingdom of Saudi Arabia. Disc diffusion test was modified for use in this study and the collected data was statistically analyzed. Variable antifungal efficacy of different myrrh extract was recorded against the investigated fungal genera. The efficacy of the extract was increased as the concentration increased. The highest growth inhibition (74.6%) was against Acremonium strictum followed by Trichoderma psuedokoningii (70.6%). On contrast, the lowest efficacy (12.7%) was against Ulocladium consortiale. It could be concluded that myrrh extract is promised as a source of substances from which of safer and eco-friendly could be used as antimicrobial agents against a number of pathogenic fungi. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antifungal" title="antifungal">antifungal</a>, <a href="https://publications.waset.org/abstracts/search?q=myrrh" title=" myrrh"> myrrh</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial" title=" antimicrobial"> antimicrobial</a>, <a href="https://publications.waset.org/abstracts/search?q=medicinal%20plant" title=" medicinal plant"> medicinal plant</a> </p> <a href="https://publications.waset.org/abstracts/27785/antifungal-activity-of-commiphora-myrrha-l-against-some-air-fungi" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27785.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light 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