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Sen</title> <meta name="description" content="Search results for: Ratna Sen"> <meta name="keywords" content="Ratna Sen"> <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" 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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="Ratna Sen"> <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: Ratna Sen</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> Condition for Plasma Instability and Stability Approaches</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ratna%20Sen">Ratna Sen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> As due to very high temperature of Plasma it is very difficult to confine it for sufficient time so that nuclear fusion reactions to take place, As we know Plasma escapes faster than the binary collision rates. We studied the ball analogy and the ‘energy principle’ and calculated the total potential energy for the whole Plasma. If δ ⃗w is negative, that is decrease in potential energy then the plasma will be unstable. We also discussed different approaches of stability analysis such as Nyquist Method, MHD approximation and Vlasov approach of plasma stability. So that by using magnetic field configurations we can able to create a stable Plasma in Tokamak for generating energy for future generations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=jello" title="jello">jello</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20field%20configuration" title=" magnetic field configuration"> magnetic field configuration</a>, <a href="https://publications.waset.org/abstracts/search?q=MHD%20approximation" title=" MHD approximation"> MHD approximation</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20principle" title=" energy principle"> energy principle</a> </p> <a href="https://publications.waset.org/abstracts/50172/condition-for-plasma-instability-and-stability-approaches" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/50172.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">442</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> Design and Development of Wind Turbine Emulator to Operate with 1.5 kW Induction Generator</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Himani%20Ratna%20Dahiya">Himani Ratna Dahiya</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper contributes to design a Wind Emulator coupled to 1.5 kW Induction generator for Wind Energy Conversion System. A wind turbine emulator (WTE) is important equipment for developing wind energy conversion systems. It offers a controllable test environment that allows the evaluation and improvement of control schemes for electric generators that is hard to achieve with an actual wind turbine since the wind speed varies randomly. In this paper a wind emulator is modeled and simulated using MATLAB. Verification of the simulation results is done by experimental setup using DC motor-Induction generator set, LABVIEW and data acquisition card. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wind%20Turbine%20Emulator" title="Wind Turbine Emulator">Wind Turbine Emulator</a>, <a href="https://publications.waset.org/abstracts/search?q=LABVIEW" title=" LABVIEW"> LABVIEW</a>, <a href="https://publications.waset.org/abstracts/search?q=matlab" title=" matlab"> matlab</a>, <a href="https://publications.waset.org/abstracts/search?q=induction%20generator" title=" induction generator"> induction generator</a> </p> <a href="https://publications.waset.org/abstracts/16620/design-and-development-of-wind-turbine-emulator-to-operate-with-15-kw-induction-generator" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16620.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">590</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 Impact of Using Authentic Materials on Students' Motivation in Learning Indonesian Language as a Foreign Language</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ratna%20Elizabeth">Ratna Elizabeth</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Motivation is a very important factor since it contributes a lot to the students’ success in learning a language. Using authentic materials is believed as a mean of increasing the motivation. The materials define as authentic if they are not specifically written for the purpose of language teaching. They are genuine spoken or written language data which are drawn from many different sources. The intention of this study is to investigate the impact of using of authentic materials on students’ motivation. A single case study is conducted to the grade 9 students who learn Indonesian Language as a Foreign Language (ILFL) at an international school in Jakarta, Indonesia. Questionnaires are also distributed to the students to know their perceptions on the using of authentic materials. The results show that the using of authentic materials has increased the students’ motivation in learning the language. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=authentic%20materials" title="authentic materials">authentic materials</a>, <a href="https://publications.waset.org/abstracts/search?q=ILFL" title=" ILFL"> ILFL</a>, <a href="https://publications.waset.org/abstracts/search?q=language%20learning" title=" language learning"> language learning</a>, <a href="https://publications.waset.org/abstracts/search?q=motivation" title=" motivation"> motivation</a> </p> <a href="https://publications.waset.org/abstracts/56953/the-impact-of-using-authentic-materials-on-students-motivation-in-learning-indonesian-language-as-a-foreign-language" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56953.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">388</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> Simulation of Photovoltaic Array for Specified Ratings of Converter</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Smita%20Pareek">Smita Pareek</a>, <a href="https://publications.waset.org/abstracts/search?q=Ratna%20Dahiya"> Ratna Dahiya </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The power generated by solar photovoltaic (PV) module depends on surrounding irradiance, temperature, shading conditions, and shading pattern. This paper presents a simulation of photovoltaic module using Matlab/Simulink. PV Array is also simulated by series and parallel connections of modules and their characteristics curves are given. Further PV module topology/configuration are proposed for 5.5kW inverter available in the literature. Shading of a PV array either complete or partial can have a significant impact on its power output and energy yield; therefore, the simulated model characteristics curves (I-V and P-V) are drawn for uniform shading conditions (USC) and then output power, voltage and current are calculated for variation in insolation for shading conditions. Additionally the characteristics curves are also given for a predetermined shadowing condition. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=array" title="array">array</a>, <a href="https://publications.waset.org/abstracts/search?q=series" title=" series"> series</a>, <a href="https://publications.waset.org/abstracts/search?q=parallel" title=" parallel"> parallel</a>, <a href="https://publications.waset.org/abstracts/search?q=photovoltaic" title=" photovoltaic"> photovoltaic</a>, <a href="https://publications.waset.org/abstracts/search?q=partial%20shading" title=" partial shading"> partial shading</a> </p> <a href="https://publications.waset.org/abstracts/21871/simulation-of-photovoltaic-array-for-specified-ratings-of-converter" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21871.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">566</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> Combination Approach Using Experiments and Optimal Experimental Design to Optimize Chemical Concentration in Alkali-Surfactant-Polymer Process</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=H.%20Tai%20Pham">H. Tai Pham</a>, <a href="https://publications.waset.org/abstracts/search?q=Bae%20Wisup"> Bae Wisup</a>, <a href="https://publications.waset.org/abstracts/search?q=Sungmin%20Jung"> Sungmin Jung</a>, <a href="https://publications.waset.org/abstracts/search?q=Ivan%20Efriza"> Ivan Efriza</a>, <a href="https://publications.waset.org/abstracts/search?q=Ratna%20Widyaningsih"> Ratna Widyaningsih</a>, <a href="https://publications.waset.org/abstracts/search?q=Byung%20Un%20Min"> Byung Un Min</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The middle-phase-microemulsion in Alkaline-Surfactant-Polymer (ASP) solution and oil play important roles in the success of an ASP flooding process. The high quality microemulsion phase has ultralow interfacial tensions and it can increase oil recovery. The research used optimal experimental design and response-surface-methodology to predict the optimum concentration of chemicals in ASP solution for maximum microemulsion quality. Secondly, this optimal ASP formulation was implemented in core flooding test to investigate the effective injection volume. As the results, the optimum concentration of surfactants in the ASP solution is 0.57 wt.% and the highest effective injection volume is 19.33% pore volume. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=optimize" title="optimize">optimize</a>, <a href="https://publications.waset.org/abstracts/search?q=ASP" title=" ASP"> ASP</a>, <a href="https://publications.waset.org/abstracts/search?q=response%20surface%20methodology" title=" response surface methodology"> response surface methodology</a>, <a href="https://publications.waset.org/abstracts/search?q=solubilization%20ratio" title=" solubilization ratio"> solubilization ratio</a> </p> <a href="https://publications.waset.org/abstracts/55285/combination-approach-using-experiments-and-optimal-experimental-design-to-optimize-chemical-concentration-in-alkali-surfactant-polymer-process" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/55285.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">348</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> Performance Assessment of PV Based Grid Connected Solar Plant with Varying Load Conditions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kusum%20Tharani">Kusum Tharani</a>, <a href="https://publications.waset.org/abstracts/search?q=Ratna%20Dahiya"> Ratna Dahiya</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper aims to analyze the power flow of a grid connected 100-kW Photovoltaic(PV) array connected to a 25-kV grid via a DC-DC boost converter and a three-phase three-level Voltage Source Converter (VSC). Maximum Power Point Tracking (MPPT) is implemented in the boost converter bymeans of a Simulink model using the 'Perturb & Observe' technique. First, related papers and technological reports were extensively studied and analyzed. Accordingly, the system is tested under various loading conditions. Power flow analysis is done using the Newton-Raphson method in Matlab environment. Finally, the system is subject to Single Line to Ground Fault and Three Phase short circuit. The results are simulated under the grid-connected operating model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=grid%20connected%20PV%20Array" title="grid connected PV Array">grid connected PV Array</a>, <a href="https://publications.waset.org/abstracts/search?q=Newton-Raphson%20Method" title=" Newton-Raphson Method"> Newton-Raphson Method</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20flow%20analysis" title=" power flow analysis"> power flow analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=three%20phase%20fault" title=" three phase fault"> three phase fault</a> </p> <a href="https://publications.waset.org/abstracts/19879/performance-assessment-of-pv-based-grid-connected-solar-plant-with-varying-load-conditions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19879.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">553</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> Collaboration of Game Based Learning with Models Roaming the Stairs Using the Tajribi Method on the Eye PAI Lessons at the Ummul Mukminin Islamic Boarding School, Makassar South Sulawesi</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ratna%20Wulandari">Ratna Wulandari</a>, <a href="https://publications.waset.org/abstracts/search?q=Shahidin"> Shahidin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article aims to see how the Game Based Learning learning model with the Roaming The Stairs game makes a tajribi method can make PAI lessons active and interactive learning. This research uses a qualitative approach with a case study type of research. Data collection methods were carried out using interviews, observation, and documentation. Data analysis was carried out through the stages of data reduction, data display, and verification and drawing conclusions. The data validity test was carried out using the triangulation method. and drawing conclusions. The results of the research show that (1) children in grades 9A, 9B, and 9C like learning PAI using the Roaming The Stairs game (2) children in grades 9A, 9B, and 9C are active and can work in groups to solve problems in the Roaming The Stairs game (3) the class atmosphere becomes fun with learning method, namely learning while playing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=game%20based%20learning" title="game based learning">game based learning</a>, <a href="https://publications.waset.org/abstracts/search?q=Roaming%20The%20Stairs" title=" Roaming The Stairs"> Roaming The Stairs</a>, <a href="https://publications.waset.org/abstracts/search?q=Tajribi%20PAI" title=" Tajribi PAI"> Tajribi PAI</a> </p> <a href="https://publications.waset.org/abstracts/191260/collaboration-of-game-based-learning-with-models-roaming-the-stairs-using-the-tajribi-method-on-the-eye-pai-lessons-at-the-ummul-mukminin-islamic-boarding-school-makassar-south-sulawesi" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/191260.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">22</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> Role of Emotional Support and Work Motivation for Quality of Work Life on Balinese Working Women</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Komang%20Rahayu%20Indrawati">Komang Rahayu Indrawati</a>, <a href="https://publications.waset.org/abstracts/search?q=Ni%20Wayan%20Sinthia%20Widiastuti"> Ni Wayan Sinthia Widiastuti</a>, <a href="https://publications.waset.org/abstracts/search?q=Ratna%20Dewi%20Santosa"> Ratna Dewi Santosa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Today the career of Balinese working women has been highly developed where able to work with loyalty and high professionalism. Career for a woman is one conscious choice and a call of conscience, which provides financial support for her family. Career for women can develop their own potencies, intellectually, and socially, so women feel that their role is meaningful and beneficial for herself and others. Emotional support becomes important to understand certainly for women who have multirole like Balinese working women to meet the demands of their role and also enhancing their work motivation and the quality of work life. This research used quantitative research method with questionnaires dissemination to 120 respondents and analyzed using Multiple Regression Analysis. The purpose of this study was to see the role of emotional support for work motivation and quality of work life in working Balinese women. The results of this study showed that emotional support and work motivation give a significant role in the quality of work life on Balinese working women. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Balinese%20working%20women" title="Balinese working women">Balinese working women</a>, <a href="https://publications.waset.org/abstracts/search?q=emotional%20support" title=" emotional support"> emotional support</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20of%20work%20life" title=" quality of work life"> quality of work life</a>, <a href="https://publications.waset.org/abstracts/search?q=work%20motivation" title=" work motivation"> work motivation</a> </p> <a href="https://publications.waset.org/abstracts/85381/role-of-emotional-support-and-work-motivation-for-quality-of-work-life-on-balinese-working-women" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85381.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">197</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> Determination of Mercury in Gold Ores by CVAAS Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ratna%20Siti%20Khodijah">Ratna Siti Khodijah</a>, <a href="https://publications.waset.org/abstracts/search?q=Mirzam%20Abdurrachman"> Mirzam Abdurrachman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Gold is recovered from gold ores. Within the ores, there are not only gold but also several types of precious metals. Copper, silver, and platinum group elements (ruthenium, rhodium, palladium, rhenium, osmium, and iridium) are metals commonly found in the ores. These metals combine to form an ore because they have the same properties. It is due to their position in periodic-system-of-elements are near to gold. However, the presence of mercury in every gold ore has not been mentioned, even though it is located right next to gold in the periodic-system-of-elements and they are located in the same block, d-block. Thus, it is possible that mercury is contained in the ores. Moreover, the elements of the same group with mercury—zinc and cadmium—sometimes can be found in the ores. It is suspected that mercury can not be detected because the processing of gold ores usually using fire assay method. Before the ores melting, mercury would evaporate because it has the lowest boiling point of all precious metal in the ores. Therefore, it suggested doing research on the presence of mercury in gold ores by CVAAS method. The results of this study would obtain the amount of mercury in gold ores that should be purified. So it can be produced economically if possible. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=boiling%20point" title="boiling point">boiling point</a>, <a href="https://publications.waset.org/abstracts/search?q=d-block" title=" d-block"> d-block</a>, <a href="https://publications.waset.org/abstracts/search?q=fire%20assay" title=" fire assay"> fire assay</a>, <a href="https://publications.waset.org/abstracts/search?q=precious%20metal" title=" precious metal"> precious metal</a> </p> <a href="https://publications.waset.org/abstracts/72809/determination-of-mercury-in-gold-ores-by-cvaas-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72809.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">341</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> The Effects of Rumah Panggung Environment, Social Culture, and Behavior on Malaria Incidence in Kori Village, Indonesia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sri%20Ratna%20Rahayu">Sri Ratna Rahayu</a>, <a href="https://publications.waset.org/abstracts/search?q=Oktia%20Woro%20Kasmini%20Handayani"> Oktia Woro Kasmini Handayani</a>, <a href="https://publications.waset.org/abstracts/search?q=Lourensiana%20Y.%20S.%20Ngaga"> Lourensiana Y. S. Ngaga</a>, <a href="https://publications.waset.org/abstracts/search?q=Imade%20Sudana"> Imade Sudana</a>, <a href="https://publications.waset.org/abstracts/search?q=Irwan%20Budiono"> Irwan Budiono</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Malaria is an infectious disease that still cannot be solved in Kori village, West Nusa Tenggara, Indonesia, where the most of people live in rumah panggung (Stilts House). The purpose of this study was to know whether there were the effects of rumah panggung environment, social culture, and behavior on malaria incidence in the Kori village. A cross-sectional study was performed to explore the effects of rumah panggung environment, social culture and behavior on malaria incidence. This study recruited 280 respondents, who live in the rumah panggung, permanent residents in Kori village, were age above 17 years old, and suffered from malaria in the past year. The collected data were analyzed with path analysis. The results of this study showed that the environment of rumah panggung and behavior have a direct effect on the incidence of malaria (p < 0.05). It could be concluded that improvement of environmental conditions of rumah panggung, sociocultural, and behavioral changes to maintain a healthy environment are needed to reduce the malaria incidence. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rumah%20panggung" title="Rumah panggung">Rumah panggung</a>, <a href="https://publications.waset.org/abstracts/search?q=socio-cultural" title=" socio-cultural"> socio-cultural</a>, <a href="https://publications.waset.org/abstracts/search?q=behavior" title=" behavior"> behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=Malaria" title=" Malaria"> Malaria</a> </p> <a href="https://publications.waset.org/abstracts/91899/the-effects-of-rumah-panggung-environment-social-culture-and-behavior-on-malaria-incidence-in-kori-village-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/91899.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">229</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> Simultaneous Esterification and Transesterification of High FFA Jatropha Oil Using Reactive Distillation for Biodiesel Production</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ratna%20Dewi%20Kusumaningtyas">Ratna Dewi Kusumaningtyas</a>, <a href="https://publications.waset.org/abstracts/search?q=Prima%20Astuti%20Handayani"> Prima Astuti Handayani</a>, <a href="https://publications.waset.org/abstracts/search?q=Arief%20Budiman"> Arief Budiman </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Reactive Distillation (RD) is a multifunctional reactor which integrates chemical reaction with in situ separation to shift the equilibrium towards the product formation. Thus, it is suitable for equilibrium limited reaction such as esterification and transesterification to enhance the reaction conversion. In this work, the application of RD for high FFA oil esterification-transterification for biodiesel production using sulphuric acid catalyst has been studied. Crude Jatropha Oil with FFA content of 30.57% was utilized as the feedstock. Effects of the catalyst concentration and molar ratio of the alcohol to oils were also investigated. It was revealed that best result was obtained with sulphuric acid catalyst (reaction conversion of 94.71% and FFA content of 1.62%) at 60C, molar ratio of methanol to FFA of 30:1, and catalyst loading of 3%. After undergoing esterification reaction, jatropha oil was then transesterified to produce biodiesel. Transesterification reaction was performed in the presence of NaOH catalyst in RD column at 60C, molar ratio of methanol to oil of 6:1, and catalyst concentration of 1%. It demonstrated that biodiesel produced in this work agreed with the Indonesian National and ASTM standard of fuel. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=reactive%20distillation" title="reactive distillation">reactive distillation</a>, <a href="https://publications.waset.org/abstracts/search?q=biodiesel" title=" biodiesel"> biodiesel</a>, <a href="https://publications.waset.org/abstracts/search?q=esterification" title=" esterification"> esterification</a>, <a href="https://publications.waset.org/abstracts/search?q=transesterification" title=" transesterification"> transesterification</a> </p> <a href="https://publications.waset.org/abstracts/9418/simultaneous-esterification-and-transesterification-of-high-ffa-jatropha-oil-using-reactive-distillation-for-biodiesel-production" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9418.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">460</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> The Effect of Soil Binder and Gypsum to the Changes of the Expansive Soil Shear Strength Parameters</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yulia%20Hastuti">Yulia Hastuti</a>, <a href="https://publications.waset.org/abstracts/search?q=Ratna%20Dewi"> Ratna Dewi</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Sandi"> Muhammad Sandi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Many methods of soil stabilization that can be done such as by mixing chemicals. In this research, stabilization by mixing the soil using two types of chemical admixture, those are gypsum with a variation of 5%, 10%, and 15% and Soil binder with a concentration of 20 gr / lot of water, 25 gr / lot of water, and 30 gr / lot of water aimed to determine the effect on the soil plasticity index values and comparing the value of shear strength parameters of the mixture with the original soil conditions using a Triaxial UU test. Based on research done shows that with increasing variations in the mix, then the value of plasticity index decreased, which was originally 42% (very high degree of swelling) becomes worth 11.24% (lower Swelling degree) when a mixture of gypsum 15% and 30 gr / Lt water soil binder. As for the value shear, strength parameters increased in all variations of mixture. Admixture with the highest shear strength parameter's value is at 15% the mixture of gypsum and 20 gr / litre of water of soil binder with the 14 day treatment period, which has enhanced the cohesion value of 559.01%, the friction angle by 1157.14%. And a shear strength value of 568.49%. It can be concluded that the admixture of gypsum and soil binder correctly, can increase the value of shear strength parameters significantly and decrease the value of plasticity index of the soil. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=expansive%20soil" title="expansive soil">expansive soil</a>, <a href="https://publications.waset.org/abstracts/search?q=gypsum" title=" gypsum"> gypsum</a>, <a href="https://publications.waset.org/abstracts/search?q=soil%20binder" title=" soil binder"> soil binder</a>, <a href="https://publications.waset.org/abstracts/search?q=shear%20strength" title=" shear strength"> shear strength</a> </p> <a href="https://publications.waset.org/abstracts/58657/the-effect-of-soil-binder-and-gypsum-to-the-changes-of-the-expansive-soil-shear-strength-parameters" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58657.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">475</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> Cultural Environment, Behavior and Diabetes Melitus Incident in Urban Area of Semarang, Indonesia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Oktia%20Woro%20Kasmini%20Handayani">Oktia Woro Kasmini Handayani</a>, <a href="https://publications.waset.org/abstracts/search?q=Sri%20Ratna%20Rahayu"> Sri Ratna Rahayu</a>, <a href="https://publications.waset.org/abstracts/search?q=Efa%20Nugroho"> Efa Nugroho</a>, <a href="https://publications.waset.org/abstracts/search?q=Berta%20Kalswahermawati"> Berta Kalswahermawati</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Diabetes occurs 10 years faster in the Southeast Asian region than the European region, which occurs in the most productive periods. Cultural differences as well as cultural transitions can be determinant factors of health cases in urban and rural areas. The purpose of this research is to analyze the effect of the cultural environment, behavior and the occurrence of diabetes mellitus in urban areas of Semarang, Indonesia. The research was conducted in the area of Semarang Regency, using a quantitative approach and supported by qualitative data, the population is DM type 2 patients, sample size of 200 people, with a purposive sampling technique. The independent variable consists of cultural environment, behavior, and the dependent variable is DM. The data is analyzed with regression test method. Cultural environment affects behavior positively, with t value of 4,690 and p (sig.) 0.000, this means sig <0.05, while the effect of behavior on Diabetes Mellitus obtained t value 2.950 with p-value (sig.) 0.003 this means that sig <0.05, thus it can be interpreted that the behavior has a significant effect on Diabetes Mellitus. The cultural environment directly affects the incidence of DM. It can also shape a person's behavior or lifestyle or habit, whether healthy or unhealthy one, which in turn causes symptoms of DM. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Behavior" title="Behavior">Behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=Cultural%20Environment" title=" Cultural Environment"> Cultural Environment</a>, <a href="https://publications.waset.org/abstracts/search?q=Diebetes%20Millitus" title=" Diebetes Millitus"> Diebetes Millitus</a>, <a href="https://publications.waset.org/abstracts/search?q=Urban" title=" Urban"> Urban</a> </p> <a href="https://publications.waset.org/abstracts/114267/cultural-environment-behavior-and-diabetes-melitus-incident-in-urban-area-of-semarang-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/114267.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">135</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> Solubility Measurements in the Context of Nanoregulation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ratna%20Tantra">Ratna Tantra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> From a risk assessment point of view, solubility is a property that has been identified as being important. If nanomaterial is completely soluble, then its disposal can be treated much in the same way as ‘ordinary’ chemicals, which subsequently will simplify testing and characterization regimes. The measurement of solubility has been highlighted as important in a pan-European project, Framework Programme (FP) 7 NANoREG. Some of the project outputs surrounding this topic will be presented here, in which there are two parts. First, a review on existing methods capable of measuring nanomaterial solubility will be discussed. Second, a case study will be presented based on using colorimetry methods to quantify dissolve zinc from ZnO nanomaterial upon exposure to digestive juices. The main findings are as follows: a) there is no universal method for nanomaterial solubility testing. The method chosen will be dependent on sample type and nano-specific application/scenario. b) The colorimetry results show a positive correlation between particle concentration and amount of [Zn2+] released; this was expected c) results indicate complete dissolution of the ZnO nanomaterial, as a result of the digestion protocol but only a fraction existing as free ions. Finally, what differentiates the F7 NANoREG project over other projects is the need for participating research laboratories to follow a set of defined protocols, necessary to establish quality control and assurance. The methods and results associated with mandatory testing that carried out by all partners in NANoREG will be discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nanomaterials" title="nanomaterials">nanomaterials</a>, <a href="https://publications.waset.org/abstracts/search?q=nanotoxicology" title=" nanotoxicology"> nanotoxicology</a>, <a href="https://publications.waset.org/abstracts/search?q=solubility" title=" solubility"> solubility</a>, <a href="https://publications.waset.org/abstracts/search?q=zinc%20oxide" title=" zinc oxide"> zinc oxide</a> </p> <a href="https://publications.waset.org/abstracts/38222/solubility-measurements-in-the-context-of-nanoregulation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38222.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">335</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> Chairussyuhur Arman, Totti Tjiptosumirat, Muhammad Gunawan, Mastur, Joko Priyono, Baiq Tri Ratna Erawati</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maria%20M.%20Giannakou">Maria M. Giannakou</a>, <a href="https://publications.waset.org/abstracts/search?q=Athanasios%20K.%20Ziliaskopoulos"> Athanasios K. Ziliaskopoulos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Transmission pipelines carrying natural gas are often routed through populated cities, industrial and environmentally sensitive areas. While the need for these networks is unquestionable, there are serious concerns about the risk these lifeline networks pose to the people, to their habitat and to the critical infrastructures, especially in view of natural disasters such as earthquakes. This work presents an Integrated Pipeline Risk Management methodology (IPRM) for assessing the hazard associated with a natural gas pipeline failure due to natural or manmade disasters. IPRM aims to optimize the allocation of the available resources to countermeasures in order to minimize the impacts of pipeline failure to humans, the environment, the infrastructure and the economic activity. A proposed knapsack mathematical programming formulation is introduced that optimally selects the proper mitigation policies based on the estimated cost – benefit ratios. The proposed model is demonstrated with a small numerical example. The vulnerability analysis of these pipelines and the quantification of consequences from such failures can be useful for natural gas industries on deciding which mitigation measures to implement on the existing pipeline networks with the minimum cost in an acceptable level of hazard. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cost%20benefit%20analysis" title="cost benefit analysis">cost benefit analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=knapsack%20problem" title=" knapsack problem"> knapsack problem</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20gas%20distribution%20network" title=" natural gas distribution network"> natural gas distribution network</a>, <a href="https://publications.waset.org/abstracts/search?q=risk%20management" title=" risk management"> risk management</a>, <a href="https://publications.waset.org/abstracts/search?q=risk%20mitigation" title=" risk mitigation"> risk mitigation</a> </p> <a href="https://publications.waset.org/abstracts/37784/chairussyuhur-arman-totti-tjiptosumirat-muhammad-gunawan-mastur-joko-priyono-baiq-tri-ratna-erawati" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37784.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">295</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> The Magnification of Early Detect Nutrition Case through Local Potential Utilization in Urban Region, Indonesia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Oktia%20Woro%20Kasmini%20Handayani">Oktia Woro Kasmini Handayani</a>, <a href="https://publications.waset.org/abstracts/search?q=Sri%20Ratna%20Rahayu"> Sri Ratna Rahayu</a>, <a href="https://publications.waset.org/abstracts/search?q=Efa%20Nugroho"> Efa Nugroho</a>, <a href="https://publications.waset.org/abstracts/search?q=Bertakalswa%20Hermawati"> Bertakalswa Hermawati</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The double burden of nutrition problem must be faced by Indonesia as developing country. The implemented program did not improve the nutritional status, therefore need to consider to utilize local potential. The objective of this research was to find out the effectivity of magnification model of early detect through local potential utilization in urban region, Semarang, Central Java, Indonesia. The research used an experimental design with the quantitative-qualitative approach. The population was all toddlers under five within the research region, sample determination by purposive sampling, as many as 216 toddlers. Quantitative data analysis used effectively criteria by Sugiono. Qualitative data was analyzed using NVivo. The optimization of local potential in the effort of nutrition status improvement shows number of nutrition case found was increased 225% (very effective), number of cases treated was increased 175% (very effective), number of cases counselled was increased 200% (effective), and number of cases that have improvement increase 75% (effective). The local potential need to be utilized in the effort of nutrition program improvement one of it is through the community empowerment, particularly health care and health high education institution as partner. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=early%20detection" title="early detection">early detection</a>, <a href="https://publications.waset.org/abstracts/search?q=nutrition%20status" title=" nutrition status"> nutrition status</a>, <a href="https://publications.waset.org/abstracts/search?q=local%20potential" title=" local potential"> local potential</a>, <a href="https://publications.waset.org/abstracts/search?q=health%20cadre" title=" health cadre"> health cadre</a> </p> <a href="https://publications.waset.org/abstracts/91886/the-magnification-of-early-detect-nutrition-case-through-local-potential-utilization-in-urban-region-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/91886.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">273</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> Formulation, Acceptability, and Characteristics of Instant Surabi Based on Composite Rice-Soybean Flour and Supplemented with Torbangun Powder for Attention Deficit Hyperactivity Disorder Children</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dewi%20Hapsari%20Ratna%20Muninggar">Dewi Hapsari Ratna Muninggar</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Rizal%20Martua%20Damanik"> M. Rizal Martua Damanik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this study was to develop a formulation of instant Indonesian traditional pancake (Surabi) based on composite rice and soybean flour and supplemented with Torbangun (Coleus amboinicus Lour) powder as an alternative snack for ADHD (Attention Deficit Hyperactivity Disorder) children. Completely randomised factorial design by two factors which were the ratio of composite rice and soybean flour (75:25; 70:30; 65:35) as well as the addition of Torbangun powder (3%; 5%; 7%) was used in this study. This study revealed that the best formula was instant surabi with 65:35 composite rice and soybean flour and 5% addition of Torbangun powder by considering hedonic test result, functional aspect and nutrients contribution. Then, both chemical and physical characteristics from the best formula of instant surabi were measured. Nutrients content of the chosen instant surabi per 100 g wet basis were 62.68 g moisture, 1.30 g ash, 6.81 g protein, 0.75 g fat, 28.47 g carbohydrate, 88.62 mg calcium, 4.14 mg iron, and 144 kcal energy while physical characteristics, such as water activity, cohesiveness, and hardness were 0.97, 0.569, 5582.2 g force consecutively. The results of this research suggested that instant surabi which can be possibly beneficial for ADHD children had 65:35 for rice and soybean flour ratio as well as 5% for the addition of Torbangun powder. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ADHD%20children" title="ADHD children">ADHD children</a>, <a href="https://publications.waset.org/abstracts/search?q=instant%20surabi" title=" instant surabi"> instant surabi</a>, <a href="https://publications.waset.org/abstracts/search?q=soybean" title=" soybean"> soybean</a>, <a href="https://publications.waset.org/abstracts/search?q=torbangun" title=" torbangun"> torbangun</a> </p> <a href="https://publications.waset.org/abstracts/93644/formulation-acceptability-and-characteristics-of-instant-surabi-based-on-composite-rice-soybean-flour-and-supplemented-with-torbangun-powder-for-attention-deficit-hyperactivity-disorder-children" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/93644.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">150</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> Formulation of Sun Screen Cream and Sun Protecting Factor Activity from Standardized–Partition Compound of Mahkota Dewa Leaf (Phaleria macrocarpa (Scheff.) Boerl.)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdul%20Karim%20Zulkarnain">Abdul Karim Zulkarnain</a>, <a href="https://publications.waset.org/abstracts/search?q=Marchaban"> Marchaban</a>, <a href="https://publications.waset.org/abstracts/search?q=Subagus%20Wahyono"> Subagus Wahyono</a>, <a href="https://publications.waset.org/abstracts/search?q=Ratna%20Asmah%20Susidarti"> Ratna Asmah Susidarti</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mahkota Dewa contains phalerin which has activity as sun screen. In this study, 13 formulations of cream oil in water (o/w) were prepared and tested for their physical characteristics. The physical characteristics were then used for determining the optimum formula. This study aimed to explore the physical stability of optimized formulation of cream, its sun protecting factor (SPF) values using in vitro and in vivo tests. The optimum formula of o/w cream were prepared based on Simplex Lattice Design (LSD) method using software Design Expert®. The formulation of o/w cream were varied based on the proportion of cetyl alcohol, mineral oil and tween 80. The difference of physical characteristic of optimum and predicted formula was tested using t-test with significant level of 95%. The optimum formula of o/w cream was the formula which consists of cetyl alcohol 9.71%, mineral oil, 29%, and tween 80 3.29. Based on t-test, there was no significant difference of physical characteristics of optimum and predicted formulation. Viscosity, spread power, adhesive power, and separation volume ratio of o/w at week 0-4 were relatively stable. The o/w creams were relatively stable at extreme temperature. The o/w creams from mahkota dewa, phalerin, and benzophenone have SPF values of 21.32, 33.12, and 42.49, respectively. The formulas did not irritate the skin based on in vivo test. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cream" title="cream">cream</a>, <a href="https://publications.waset.org/abstracts/search?q=stability" title=" stability"> stability</a>, <a href="https://publications.waset.org/abstracts/search?q=In%20vitro" title=" In vitro"> In vitro</a>, <a href="https://publications.waset.org/abstracts/search?q=In%20vivo" title=" In vivo"> In vivo</a> </p> <a href="https://publications.waset.org/abstracts/66716/formulation-of-sun-screen-cream-and-sun-protecting-factor-activity-from-standardized-partition-compound-of-mahkota-dewa-leaf-phaleria-macrocarpa-scheff-boerl" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/66716.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">229</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 Glycerol-Free Process of Biodiesel Production through Chemical Interesterification of Jatropha Oil</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ratna%20Dewi%20Kusumaningtyas">Ratna Dewi Kusumaningtyas</a>, <a href="https://publications.waset.org/abstracts/search?q=Riris%20Pristiyani"> Riris Pristiyani</a>, <a href="https://publications.waset.org/abstracts/search?q=Heny%20Dewajani"> Heny Dewajani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Biodiesel is commonly produced via the two main routes, i.e. the transesterification of triglycerides and the esterification of free fatty acid (FFA) using short-chain alcohols. Both the two routes have drawback in term of the side product yielded during the reaction. Transesterification reaction of triglyceride results in glycerol as side product. On the other hand, FFA esterification brings in water as side product. Both glycerol and water in the biodiesel production are managed as waste. Hence, a separation process is necessary to obtain a high purity biodiesel. Meanwhile, separation processes is generally the most capital and energy intensive part in industrial process. Therefore, to reduce the separation process, it is essential to produce biodiesel via an alternative route eliminating glycerol or water side-products. In this work, biodiesel synthesis was performed using a glycerol-free process through chemical interesterification of jatropha oil with ethyl acetate in the presence on sodium acetate catalyst. By using this method, triacetine, which is known as fuel bio-additive, is yielded instead of glycerol. This research studied the effects of catalyst concentration on the jatropha oil interesterification process in the range of 0.5 – 1.25% w/w oil. The reaction temperature and molar ratio of oil to ethyl acetate were varied at 50, 60, and 70°C, and 1:6, 1:9, 1:15, 1:30, and 1:60, respectively. The reaction time was evaluated from 0 to 8 hours. It was revealed that the best yield was obtained with the catalyst concentration of 0.5%, reaction temperature of 70 °C, molar ratio of oil to ethyl acetate at 1:60, at 6 hours reaction time. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biodiesel" title="biodiesel">biodiesel</a>, <a href="https://publications.waset.org/abstracts/search?q=interesterification" title=" interesterification"> interesterification</a>, <a href="https://publications.waset.org/abstracts/search?q=glycerol-free" title=" glycerol-free"> glycerol-free</a>, <a href="https://publications.waset.org/abstracts/search?q=triacetine" title=" triacetine"> triacetine</a>, <a href="https://publications.waset.org/abstracts/search?q=jatropha%20oil" title=" jatropha oil"> jatropha oil</a> </p> <a href="https://publications.waset.org/abstracts/31236/a-glycerol-free-process-of-biodiesel-production-through-chemical-interesterification-of-jatropha-oil" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31236.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">425</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> Reducing The Frequency of Flooding Accompanied by Low pH Wastewater In 100/200 Unit of Phosphate Fertilizer 1 Plant by Implementing The 3R Program (Reduce, Reuse and Recycle)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pradipta%20Risang%20Ratna%20Sambawa">Pradipta Risang Ratna Sambawa</a>, <a href="https://publications.waset.org/abstracts/search?q=Driya%20Herseta"> Driya Herseta</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahendra%20Fajri%20Nugraha"> Mahendra Fajri Nugraha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In 2020, PT Petrokimia Gresik implemented a program to increase the ROP (Run Of Pile) production rate at the Phosphate Fertilizer 1 plant, causing an increase in scrubbing water consumption in the 100/200 area unit. This increase in water consumption causes a higher discharge of wastewater, which can further cause local flooding, especially during the rainy season. The 100/200 area of the Phosphate Fertilizer 1 plant is close to the warehouse and is often a passing area for trucks transporting raw materials. This causes the pH in the wastewater to become acidic (the worst point is up to pH 1). The problem of flooding and exposure to acidic wastewater in the 100/200 area of Phosphate Fertilizer Plant 1 was then resolved by PT Petrokimia Gresik through wastewater optimization steps called the 3R program (Reduce, Reuse, and Recycle). The 3R (Reduce, reuse, and recycle) program consists of an air consumption reduction program by considering the liquid/gas ratio in scrubbing unit of 100/200 Phosphate Fertilizer 1 plant, creating a wastewater interconnection line so that wastewater from unit 100/200 can be used as scrubbing water in the Phonska 1, Phonska 2, Phonska 3 and unit 300 Phosphate Fertilizer 1 plant and increasing scrubbing effectiveness through scrubbing effectiveness simulations. Through a series of wastewater optimization programs, PT Petrokimia Gresik has succeeded in reducing NaOH consumption for neutralization up to 2,880 kg/day or equivalent in saving up to 314,359.76 dollars/year and reducing process water consumption up to 600 m3/day or equivalent in saving up to 63,739.62 dollars/year. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fertilizer" title="fertilizer">fertilizer</a>, <a href="https://publications.waset.org/abstracts/search?q=phosphate%20fertilizer" title=" phosphate fertilizer"> phosphate fertilizer</a>, <a href="https://publications.waset.org/abstracts/search?q=wastewater" title=" wastewater"> wastewater</a>, <a href="https://publications.waset.org/abstracts/search?q=wastewater%20treatment" title=" wastewater treatment"> wastewater treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20management" title=" water management"> water management</a> </p> <a href="https://publications.waset.org/abstracts/188842/reducing-the-frequency-of-flooding-accompanied-by-low-ph-wastewater-in-100200-unit-of-phosphate-fertilizer-1-plant-by-implementing-the-3r-program-reduce-reuse-and-recycle" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/188842.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">26</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> The Effort of Nutrition Status Improvement through Partnership with Early Age Education Institution on Urban Region, City of Semarang, Indonesia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Oktia%20Woro%20Kasmini%20Handayani">Oktia Woro Kasmini Handayani</a>, <a href="https://publications.waset.org/abstracts/search?q=Sri%20Ratna%20Rahayu"> Sri Ratna Rahayu</a>, <a href="https://publications.waset.org/abstracts/search?q=Efa%20Nugroho"> Efa Nugroho</a>, <a href="https://publications.waset.org/abstracts/search?q=Bertakalswa%20Hermawati"> Bertakalswa Hermawati</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In Indonesia, from 2007 until 2013, the prevalence of overnutrition in children under five years and school age tends to increase. Clean and Health Life Behavior of school children supporting nutrition status still below the determined target. On the other side, school institution is an ideal place to educate and form health behavior, that should be initiated as early as possible (Early Age Education/PAUD level). The objective of this research was to find out the effectivity of education model through partnership with school institution in urban region, city of Semarang, Central Java Province, Indonesia. The research used quantitative approach supported with qualitative data. The population consist of all mother having school children of ages 3-5 years within the research region; sampling technique was purposive sampling, as many as 237 mothers. Research instrument was Clean and Health Life Behavior evaluation questionaire, and video as education media. The research used experimental design. Data analysis used effectivity criteria from Sugiyono and 2 paired sampel t test. Education model optimalization in the effort to improve nutrition status indicates t test result with signification < 0.05 (there was significant effect before and after model intervention), with effectivity test result of 79% (effective), but still below expected target which is 80%. Education model need to be utilized and optimallized the implementation so that expected target reached. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nutrition%20status" title="nutrition status">nutrition status</a>, <a href="https://publications.waset.org/abstracts/search?q=early%20age%20education" title=" early age education"> early age education</a>, <a href="https://publications.waset.org/abstracts/search?q=clean%20dan%20health%20life%20behavior" title=" clean dan health life behavior"> clean dan health life behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=education%20model" title=" education model"> education model</a> </p> <a href="https://publications.waset.org/abstracts/91953/the-effort-of-nutrition-status-improvement-through-partnership-with-early-age-education-institution-on-urban-region-city-of-semarang-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/91953.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">385</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> Comparison Between Conventional Ultrafiltration Combined with Modified Ultrafiltration and Conventional Ultrafiltration Only for Adult Open-heart Surgery: Perspective from Systemic Inflammation, Vascular Resistance, and Cardiac Index</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ratna%20Farida%20Soenarto">Ratna Farida Soenarto</a>, <a href="https://publications.waset.org/abstracts/search?q=Anas%20Alatas"> Anas Alatas</a>, <a href="https://publications.waset.org/abstracts/search?q=Made%20Ryan%20Kharmayani"> Made Ryan Kharmayani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Conventional ultrafiltration (CUF) system was shown to be helpful in reducing anti-inflammatory mediators for patients who underwent open heart surgery. Additionally, modified ultrafiltration (MUF) has been shown to reduce anti-inflammatory mediators further while reducing interstitial fluid volume at the same time. However, there has been minimal data concerning the efficacy of combining both ultrafiltration methods. This study aims to compare inflammation marker, vascular resistance, and cardiac index on CUF+MUF patients with CUF only patients undergoing open heart surgery. Method: This is a single blind randomized controlled trial on patients undergoing open heart surgery between June 2021 - October 2021 in CiptoMangunkusumo National Referral Hospital and Jakarta Heart Hospital. Patients wererandomized using block randomization into modified ultrafiltration following conventional ultrafiltration (CUF+MUF) and conventional ultrafiltration (CUF) only. Outcome assessed in this study were 24-hoursinterleukin-6 levels, systemic vascular resistance (SVR), pulmonary vascular resistance (PVR), and cardiac index. Results: A total of 38patients were included (19 CUF+MUF and 19 CUF subjects). There was no difference in postoperative IL-6 level between groups (p > 0.05).No difference in PVR was observed between groups.Higher difference in SVR was observed in CUF+MUF group (-646 vs. -261dyn/s/cm-5, p < 0.05). Higher cardiac index was observed on CUF+MUF group (0.93 vs. 0.48, p < 0.05). Conclusion: Patients undergoing open heart surgery with modified ultrafiltration following conventional ultrafiltration had similar systemic inflammatory response and better cardiac response than those having conventional ultrafiltration. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=open-heart" title="open-heart">open-heart</a>, <a href="https://publications.waset.org/abstracts/search?q=CUF" title=" CUF"> CUF</a>, <a href="https://publications.waset.org/abstracts/search?q=MUF" title=" MUF"> MUF</a>, <a href="https://publications.waset.org/abstracts/search?q=SVR" title=" SVR"> SVR</a>, <a href="https://publications.waset.org/abstracts/search?q=PVR" title=" PVR"> PVR</a>, <a href="https://publications.waset.org/abstracts/search?q=IL-6" title=" IL-6"> IL-6</a> </p> <a href="https://publications.waset.org/abstracts/146818/comparison-between-conventional-ultrafiltration-combined-with-modified-ultrafiltration-and-conventional-ultrafiltration-only-for-adult-open-heart-surgery-perspective-from-systemic-inflammation-vascular-resistance-and-cardiac-index" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/146818.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">153</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> Artificial Insemination of Bali Cattle with Frozen-Thawed Sexed Sperm Under District AI Station Conditions in Lombok: A Preliminary Trial</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chairussyuhur%20Arman">Chairussyuhur Arman</a>, <a href="https://publications.waset.org/abstracts/search?q=Totti%20Tjiptosumirat"> Totti Tjiptosumirat</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Gunawan"> Muhammad Gunawan</a>, <a href="https://publications.waset.org/abstracts/search?q=Mastur"> Mastur</a>, <a href="https://publications.waset.org/abstracts/search?q=Joko%20Priyono"> Joko Priyono</a>, <a href="https://publications.waset.org/abstracts/search?q=Baiq%20Tri%20Ratna%20Erawati"> Baiq Tri Ratna Erawati</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study was undertaken to synchronize oestrus of bali cattle and artificially inseminated with frozen-thawed sexed-semen. The experiment was carried out at District AI Station. Four pluriparous cows and four nulliparous heifers were used in this study and they were housed in free stall barns. The heifers fed with corn silage supplemented with UMMB, while the cows fed with green fodder. All animals were given 500 mg cloprostenolum i.m. injections PGF2α twice, 11 days apart, to synchronize the occurrence of estrus. Estrus was detected by visual observation twice a day and determined if all cattle accepted mount from other females. All animals were inseminated twice with Bali sexed-semen at 72 and 76 h after observed oestrus. Results suggested that the percentage of calving rate either for pluriparous cows or nulliparous heifers were recorded to be 75 percent. One cow and one heifer did not produce calves because of embryonic lost. Regardless the sex of calves, the mean of birth weight of calves in cows was higher than that of heifers (18.50 ± 2.60 kg vs 13.83 ± 5.20 kg). One female calf from heifer with lower birth weight (8.0 kg) was dead one day after born. In pluriparous group, two cows delivered male calves and the other delivered female calf. Conversely in nulliparous group, two heifers delivered female calves and the other male calf. It is concluded that under the conditions of this preliminary trials, the sex ratio between pluriparous and nulliparous groups was found to be 50:50 (male:female). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=artificial%20insemination" title="artificial insemination">artificial insemination</a>, <a href="https://publications.waset.org/abstracts/search?q=bali%20cattle" title=" bali cattle"> bali cattle</a>, <a href="https://publications.waset.org/abstracts/search?q=calves" title=" calves"> calves</a>, <a href="https://publications.waset.org/abstracts/search?q=sexed%20sperm" title=" sexed sperm"> sexed sperm</a> </p> <a href="https://publications.waset.org/abstracts/40944/artificial-insemination-of-bali-cattle-with-frozen-thawed-sexed-sperm-under-district-ai-station-conditions-in-lombok-a-preliminary-trial" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40944.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">311</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> Geological and Geotechnical Investigation of a Landslide Prone Slope Along Koraput- Rayagada Railway Track Odisha, India: A Case Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20P.%20Pradhan">S. P. Pradhan</a>, <a href="https://publications.waset.org/abstracts/search?q=Amulya%20Ratna%20Roul"> Amulya Ratna Roul</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A number of landslides are occurring during the rainy season along Rayagada-Koraput Railway track for past three years. The track was constructed about 20 years ago. However, the protection measures are not able to control the recurring slope failures now. It leads to a loss to Indian Railway and its passengers ultimately leading to wastage of time and money. The slopes along Rayagada-Koraput track include both rock and soil slopes. The rock types include mainly Khondalite and Charnockite whereas soil slopes are mainly composed of laterite ranging from less weathered to highly weathered laterite. The field studies were carried out in one of the critical slope. Field study was followed by the kinematic analysis to assess the type of failure. Slake Durability test, Uniaxial Compression test, specific gravity test and triaxial test were done on rock samples to calculate and assess properties such as weathering index, unconfined compressive strength, density, cohesion, and friction angle. Following all the laboratory tests, rock mass rating was calculated. Further, from Kinematic analysis and Rock Mass Ratingbasic, Slope Mass Rating was proposed for each slope. The properties obtained were used to do the slope stability simulations using finite element method based modelling. After all the results, suitable protection measures, to prevent the loss due to slope failure, were suggested using the relation between Slope Mass Rating and protection measures. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=landslides" title="landslides">landslides</a>, <a href="https://publications.waset.org/abstracts/search?q=slope%20stability" title=" slope stability"> slope stability</a>, <a href="https://publications.waset.org/abstracts/search?q=rock%20mass%20rating" title=" rock mass rating"> rock mass rating</a>, <a href="https://publications.waset.org/abstracts/search?q=slope%20mass%20rating" title=" slope mass rating"> slope mass rating</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20simulation" title=" numerical simulation"> numerical simulation</a> </p> <a href="https://publications.waset.org/abstracts/80826/geological-and-geotechnical-investigation-of-a-landslide-prone-slope-along-koraput-rayagada-railway-track-odisha-india-a-case-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/80826.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">8</span> Development and Validation Method for Quantitative Determination of Rifampicin in Human Plasma and Its Application in Bioequivalence Test</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Endang%20Lukitaningsih">Endang Lukitaningsih</a>, <a href="https://publications.waset.org/abstracts/search?q=Fathul%20Jannah"> Fathul Jannah</a>, <a href="https://publications.waset.org/abstracts/search?q=Arief%20R.%20Hakim"> Arief R. Hakim</a>, <a href="https://publications.waset.org/abstracts/search?q=Ratna%20D.%20Puspita"> Ratna D. Puspita</a>, <a href="https://publications.waset.org/abstracts/search?q=Zullies%20Ikawati"> Zullies Ikawati</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Rifampicin is a semisynthetic antibiotic derivative of rifamycin B produced by Streptomyces mediterranei. RIF has been used worldwide as first line drug-prescribed throughout tuberculosis therapy. This study aims to develop and to validate an HPLC method couple with a UV detection for determination of rifampicin in spiked human plasma and its application for bioequivalence study. The chromatographic separation was achieved on an RP-C18 column (LachromHitachi, 250 x 4.6 mm., 5μm), utilizing a mobile phase of phosphate buffer/acetonitrile (55:45, v/v, pH 6.8 ± 0.1) at a flow of 1.5 mL/min. Detection was carried out at 337 nm by using spectrophotometer. The developed method was statistically validated for the linearity, accuracy, limit of detection, limit of quantitation, precise and specifity. The specifity of the method was ascertained by comparing chromatograms of blank plasma and plasma containing rifampicin; the matrix and rifampicin were well separated. The limit of detection and limit of quantification were 0.7 µg/mL and 2.3 µg/mL, respectively. The regression curve of standard was linear (r > 0.999) over a range concentration of 20.0 – 100.0 µg/mL. The mean recovery of the method was 96.68 ± 8.06 %. Both intraday and interday precision data showed reproducibility (R.S.D. 2.98% and 1.13 %, respectively). Therefore, the method can be used for routine analysis of rifampicin in human plasma and in bioequivalence study. The validated method was successfully applied in pharmacokinetic and bioequivalence study of rifampicin tablet in a limited number of subjects (under an Ethical Clearance No. KE/FK/6201/EC/2015). The mean values of Cmax, Tmax, AUC(0-24) and AUC(o-∞) for the test formulation of rifampicin were 5.81 ± 0.88 µg/mL, 1.25 hour, 29.16 ± 4.05 µg/mL. h. and 29.41 ± 4.07 µg/mL. h., respectively. Meanwhile for the reference formulation, the values were 5.04 ± 0.54 µg/mL, 1.31 hour, 27.20 ± 3.98 µg/mL.h. and 27.49 ± 4.01 µg/mL.h. From bioequivalence study, the 90% CIs for the test formulation/reference formulation ratio for the logarithmic transformations of Cmax and AUC(0-24) were 97.96-129.48% and 99.13-120.02%, respectively. According to the bioequivamence test guidelines of the European Commission-European Medicines Agency, it can be concluded that the test formulation of rifampicin is bioequivalence with the reference formulation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=validation" title="validation">validation</a>, <a href="https://publications.waset.org/abstracts/search?q=HPLC" title=" HPLC"> HPLC</a>, <a href="https://publications.waset.org/abstracts/search?q=plasma" title=" plasma"> plasma</a>, <a href="https://publications.waset.org/abstracts/search?q=bioequivalence" title=" bioequivalence"> bioequivalence</a> </p> <a href="https://publications.waset.org/abstracts/67457/development-and-validation-method-for-quantitative-determination-of-rifampicin-in-human-plasma-and-its-application-in-bioequivalence-test" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67457.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">7</span> Contagion of the Global Financial Crisis and Its Impact on Systemic Risk in the Banking System: Extreme Value Theory Analysis in Six Emerging Asia Economies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ratna%20Kuswardani">Ratna Kuswardani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper aims to study the impact of recent Global Financial Crisis (GFC) on 6 selected emerging Asian economies (Indonesia, Malaysia, Thailand, Philippines, Singapore, and South Korea). We first figure out the contagion of GFC from the US and Europe to the selected emerging Asian countries by studying the tail dependence of market stock returns between those countries. We apply the concept of Extreme Value Theory (EVT) to model the dependence between multiple returns series of variables under examination. We explore the factors causing the contagion between the regions. We find dependencies between markets that are influenced by their size, especially for large markets in emerging Asian countries that tend to have a higher dependency to the market in the more advanced country such as the U.S. and some countries in Europe. The results also suggest that the dependencies between market returns and bank stock returns in the same region tend to be higher than dependencies between these returns across two different regions. We extend our analysis by studying the impact of GFC on the systemic in the banking system. We also find that larger institution has more dependencies with the market stock, suggesting that larger size bank can cause disruption in the market. Further, the higher probability of extreme loss can be seen during the crisis period, which is shown by the non-linear dependency between the pre-crisis and the post-crisis period. Finally, our analysis suggests that systemic risk appears in the domestic banking systems in emerging Asia, as shown by the extreme dependencies within banks in the system. Overall, our results provide caution to policy makers and investors alike on the possible contagion of the impact of global financial crisis across different markets. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=contagion" title="contagion">contagion</a>, <a href="https://publications.waset.org/abstracts/search?q=extreme%20value%20theory" title=" extreme value theory"> extreme value theory</a>, <a href="https://publications.waset.org/abstracts/search?q=global%20financial%20crisis" title=" global financial crisis"> global financial crisis</a>, <a href="https://publications.waset.org/abstracts/search?q=systemic%20risk" title=" systemic risk"> systemic risk</a> </p> <a href="https://publications.waset.org/abstracts/99265/contagion-of-the-global-financial-crisis-and-its-impact-on-systemic-risk-in-the-banking-system-extreme-value-theory-analysis-in-six-emerging-asia-economies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/99265.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">151</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> Time to Second Line Treatment Initiation Among Drug-Resistant Tuberculosis Patients in Nepal</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shraddha%20Acharya">Shraddha Acharya</a>, <a href="https://publications.waset.org/abstracts/search?q=Sharad%20Kumar%20Sharma"> Sharad Kumar Sharma</a>, <a href="https://publications.waset.org/abstracts/search?q=Ratna%20Bhattarai"> Ratna Bhattarai</a>, <a href="https://publications.waset.org/abstracts/search?q=Bhagwan%20Maharjan"> Bhagwan Maharjan</a>, <a href="https://publications.waset.org/abstracts/search?q=Deepak%20Dahal"> Deepak Dahal</a>, <a href="https://publications.waset.org/abstracts/search?q=Serpahine%20Kaminsa"> Serpahine Kaminsa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Drug-resistant (DR) tuberculosis (TB) continues to be a threat in Nepal, with an estimated 2800 new cases every year. The treatment of DR-TB with second line TB drugs is complex and takes longer time with comparatively lower treatment success rate than drug-susceptible TB. Delay in treatment initiation for DR-TB patients might further result in unfavorable treatment outcomes and increased transmission. This study thus aims to determine median time taken to initiate second-line treatment among Rifampicin Resistant (RR) diagnosed TB patients and to assess the proportion of treatment delays among various type of DR-TB cases. Method: A retrospective cohort study was done using national routine electronic data (DRTB and TB Laboratory Patient Tracking System-DHIS2) on drug resistant tuberculosis patients between January 2020 and December 2022. The time taken for treatment initiation was computed as– days from first diagnosis as RR TB through Xpert MTB/Rif test to enrollment on second-line treatment. The treatment delay (>7 days after diagnosis) was calculated. Results: Among total RR TB cases (N=954) diagnosed via Xpert nationwide, 61.4% were enrolled under shorter-treatment regimen (STR), 33.0% under longer treatment regimen (LTR), 5.1% for Pre-extensively drug resistant TB (Pre-XDR) and 0.4% for Extensively drug resistant TB (XDR) treatment. Among these cases, it was found that the median time from diagnosis to treatment initiation was 6 days (IQR:2-15.8). The median time was 5 days (IQR:2.0-13.3) among STR, 6 days (IQR:3.0-15.0) among LTR, 30 days (IQR:5.5-66.8) among Pre-XDR and 4 days (IQR:2.5-9.0) among XDR TB cases. The overall treatment delay (>7 days after diagnosis) was observed in 42.4% of the patients, among which, cases enrolled under Pre-XDR contributed substantially to treatment delay (72.0%), followed by LTR (43.6%), STR (39.1%) and XDR (33.3%). Conclusion: Timely diagnosis and prompt treatment initiation remain fundamental focus of the National TB program. The findings of the study, however suggest gaps in timeliness of treatment initiation for the drug-resistant TB patients, which could bring adverse treatment outcomes. Moreover, there is an alarming delay in second line treatment initiation for the Pre-XDR TB patients. Therefore, this study generates evidence to identify existing gaps in treatment initiation and highlights need for formulating specific policies and intervention in creating effective linkage between the RR TB diagnosis and enrollment on second line TB treatment with intensified efforts from health providers for follow-ups and expansion of more decentralized, adequate, and accessible diagnostic and treatment services for DR-TB, especially Pre-XDR TB cases, due to the observed long treatment delays. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=drug-resistant" title="drug-resistant">drug-resistant</a>, <a href="https://publications.waset.org/abstracts/search?q=tuberculosis" title=" tuberculosis"> tuberculosis</a>, <a href="https://publications.waset.org/abstracts/search?q=treatment%20initiation" title=" treatment initiation"> treatment initiation</a>, <a href="https://publications.waset.org/abstracts/search?q=Nepal" title=" Nepal"> Nepal</a>, <a href="https://publications.waset.org/abstracts/search?q=treatment%20delay" title=" treatment delay"> treatment delay</a> </p> <a href="https://publications.waset.org/abstracts/169373/time-to-second-line-treatment-initiation-among-drug-resistant-tuberculosis-patients-in-nepal" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/169373.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">84</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> Understanding and Addressing the Tuberculosis Notification Gap in Nepal</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lok%20Raj%20Joshi">Lok Raj Joshi</a>, <a href="https://publications.waset.org/abstracts/search?q=Naveen%20Prakash%20Shah"> Naveen Prakash Shah</a>, <a href="https://publications.waset.org/abstracts/search?q=Sharad%20Kumar%20Sharma"> Sharad Kumar Sharma</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Ratna%20Bhattarai"> I. Ratna Bhattarai</a>, <a href="https://publications.waset.org/abstracts/search?q=Rajendra%20Basnet"> Rajendra Basnet</a>, <a href="https://publications.waset.org/abstracts/search?q=Deepak%20Dahal"> Deepak Dahal</a>, <a href="https://publications.waset.org/abstracts/search?q=Bahagwan%20Maharjan"> Bahagwan Maharjan</a>, <a href="https://publications.waset.org/abstracts/search?q=Seraphine%20Kaminsa"> Seraphine Kaminsa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Context: Tuberculosis (TB) is a significant health issue in Nepal, a country with a high burden of the disease. Despite efforts to control TB, there is still a gap in the notification of TB cases, which hinders effective control and treatment. This paper aims to address this notification gap and proposes strategies to improve TB control in Nepal. Research Aim: The aim of this research is to understand and address the tuberculosis notification gap in Nepal. The focus is on enhancing the healthcare system, involving the private sector and communities, raising awareness, and addressing social determinants to achieve sustainable TB control. Methodology: The research methodology involved a review of existing epidemiological data and research studies related to TB in Nepal. Additionally, consultation with an expert group from the TB control program in Nepal provided insights into the current state of TB control and challenges in addressing the notification gap. Findings: The findings reveal that only 55% of TB cases were reported in 2022, indicating a significant notification gap. Of the reported cases, only 32% and 19% were referred by the private sector and community, respectively. Furthermore, 20% of diagnosed cases were not treated in the initial phase. The estimated number of cases of multidrug-resistant TB (MDR TB) was 2,800, suggesting a low diagnosis rate. Among the diagnosed MDR TB cases, only 60% were receiving treatment. Additionally, it was observed that 20% of diagnosed MDR TB cases were from India and not enrolling in TB treatment in Nepal, indicating a high rate of defaulters. Theoretical Importance: The study highlights the importance of adopting a holistic strategy to address the notification gap in TB cases in Nepal. It emphasizes the need to enhance healthcare infrastructure, raise awareness, involve the private sector and local communities, establish effective methods to trace initial defaulters, implement TB interventions in border regions, and mitigate the social stigma associated with the disease. Data Collection and Analysis Procedures: Data for this study was collected through a review of existing epidemiological data and research studies. The data were then analyzed to identify patterns, trends, and gaps in TB case notification in Nepal. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=TB" title="TB">TB</a>, <a href="https://publications.waset.org/abstracts/search?q=tuberculosis" title=" tuberculosis"> tuberculosis</a>, <a href="https://publications.waset.org/abstracts/search?q=private%20sector" title=" private sector"> private sector</a>, <a href="https://publications.waset.org/abstracts/search?q=community" title=" community"> community</a>, <a href="https://publications.waset.org/abstracts/search?q=migrants" title=" migrants"> migrants</a>, <a href="https://publications.waset.org/abstracts/search?q=nepal" title=" nepal"> nepal</a> </p> <a href="https://publications.waset.org/abstracts/169153/understanding-and-addressing-the-tuberculosis-notification-gap-in-nepal" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/169153.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">100</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> Revival and Protection of Traditional Jewellery Motifs of Assam (India), over Eri Silk by Innovative Techniques</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ratna%20Sharma">Ratna Sharma</a>, <a href="https://publications.waset.org/abstracts/search?q=Kaveri%20Dutta"> Kaveri Dutta</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Assam (India), the gate way to the Northeast India is mainly known for its exquisite silks, the art and craft. The state has a rich collection of traditional jewellery which is unique and exclusive to the state. These jewelleries hold a special place in the heart of the Assamese women. Similarly handloom industry of Assam is basically silk oriented. Among the wild silk, Eri silk fabric has remained as “the poor man’s silk” but it is closely attached to the assamese society, dress for it's warm quality. In view of the changing market trends, fashion and consumer demands, Silk is emerging as a fashion fabric both in India and abroad. In case of Eri silk fabric it has limited use in clothing and accessories. Hence the restructured and redesigned traditional jewellery motifs of Assam (India) over Eri silk products will have greater potential in reviving the decline of art, generate revenue, self employment towards craftsmen and also recognition of the art. The information incorporated in the paper is primary and the data have been collected by purposive sampling method. This work of art was expressed on Eri silk fabric in the form of traditional hand embroidery as it is closely connected with the era of the individual in history of mankind and reflects the personal expression of an entity. For this study selected traditional motifs of Assamese ornaments was used. Some of the popular traditional Assamese jewellery include earrings with exquisite Lokaparo, Keru, Thuriya, Jangphai, etc. An array of necklaces including Golpata, Satsori, Jon biri, Bena, Gejera, Dhol biri, Doog doogi, Biri Moni, Mukuta Moni, Poalmoni, Silikha Moni and Magardana and diversified rings including Senpata, Horinsakua, Jethinejia, bakharpata and others. Selected two motifs each from necklace, earring and finger ring designs. Selected motifs were further developed into 3 categories- the border, the main motif and all over butta followed by placement of developed patterns on products. Products developed were stoles, scarf’s, purses, brooch pins, skirts for women and ties, handkerchief, jackets for men. The developed products were surveyed by selected respondents. From the present study it can be observed that the embellished traditional jewellery motifs resulted in fresh and colourful pattern on developed Eri silk products. Moreover the motifs which were gradually fading among the community itself showed a very good recognition towards art. The embroidered Eri silk fabric also created a huge change in a positive way among craftsman. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Art%20and%20craft%20of%20Assam" title="Art and craft of Assam">Art and craft of Assam</a>, <a href="https://publications.waset.org/abstracts/search?q=eri%20silk" title=" eri silk"> eri silk</a>, <a href="https://publications.waset.org/abstracts/search?q=hand%20embroidery" title=" hand embroidery"> hand embroidery</a>, <a href="https://publications.waset.org/abstracts/search?q=traditional%20Assamese%20jewellery%20motifs" title=" traditional Assamese jewellery motifs"> traditional Assamese jewellery motifs</a> </p> <a href="https://publications.waset.org/abstracts/29070/revival-and-protection-of-traditional-jewellery-motifs-of-assam-india-over-eri-silk-by-innovative-techniques" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29070.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">661</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> Simple and Effective Method of Lubrication and Wear Protection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Buddha%20Ratna%20Shrestha">Buddha Ratna Shrestha</a>, <a href="https://publications.waset.org/abstracts/search?q=Jimmy%20Faivre"> Jimmy Faivre</a>, <a href="https://publications.waset.org/abstracts/search?q=Xavier%20Banquy"> Xavier Banquy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> By precisely controlling the molecular interactions between anti-wear macromolecules and bottle-brush lubricating molecules in the solution state, we obtained a fluid with excellent lubricating and wear protection capabilities. The reason for this synergistic behavior relies on the subtle interaction forces between the fluid components which allow the confined macromolecules to sustain high loads under shear without rupture. Our results provide rational guides to design such fluids for virtually any type of surfaces. The lowest friction coefficient and the maximum pressure that it can sustain is 5*10-3 and 2.5 MPa which is close to the physiological pressure. Lubricating and protecting surfaces against wear using liquid lubricants is a great technological challenge. Until now, wear protection was usually imparted by surface coatings involving complex chemical modifications of the surface while lubrication was provided by a lubricating fluid. Hence, we here research for a simple, effective and applicable solution to the above problem using surface force apparatus (SFA). SFA is a powerful technique with sub-angstrom resolution in distance and 10 nN/m resolution in interaction force while performing friction experiment. Thus, SFA is used to have the direct insight into interaction force, material and friction at interface. Also, we always know the exact contact area. From our experiments, we found that by precisely controlling the molecular interactions between anti-wear macromolecules and lubricating molecules, we obtained a fluid with excellent lubricating and wear protection capabilities. The reason for this synergistic behavior relies on the subtle interaction forces between the fluid components which allow the confined macromolecules to sustain high loads under shear without rupture. The lowest friction coefficient and the maximum pressure that it can sustain in our system is 5*10-3 and 2.5 GPA which is well above the physiological pressure. Our results provide rational guides to design such fluids for virtually any type of surfaces. Most importantly this process is simple, effective and applicable method of lubrication and protection as until now wear protection was usually imparted by surface coatings involving complex chemical modifications of the surface. Currently, the frictional data that are obtained while sliding the flat mica surfaces are compared and confirmed that a particular mixture of solution was found to surpass all other combination. So, further we would like to confirm that the lubricating and antiwear protection remains the same by performing the friction experiments in synthetic cartilages. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bottle%20brush%20polymer" title="bottle brush polymer">bottle brush polymer</a>, <a href="https://publications.waset.org/abstracts/search?q=hyaluronic%20acid" title=" hyaluronic acid"> hyaluronic acid</a>, <a href="https://publications.waset.org/abstracts/search?q=lubrication" title=" lubrication"> lubrication</a>, <a href="https://publications.waset.org/abstracts/search?q=tribology" title=" tribology"> tribology</a> </p> <a href="https://publications.waset.org/abstracts/58058/simple-and-effective-method-of-lubrication-and-wear-protection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58058.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info 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