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Putra</title> <meta name="description" content="Search results for: Hengki Eko Putra"> <meta name="keywords" content="Hengki Eko Putra"> <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 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action="https://publications.waset.org/abstracts/search"> <div 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="Hengki Eko Putra"> <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> 62</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Hengki Eko Putra</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">62</span> High-Resolution Flood Hazard Mapping Using Two-Dimensional Hydrodynamic Model Anuga: Case Study of Jakarta, Indonesia </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hengki%20Eko%20Putra">Hengki Eko Putra</a>, <a href="https://publications.waset.org/abstracts/search?q=Dennish%20Ari%20Putro"> Dennish Ari Putro</a>, <a href="https://publications.waset.org/abstracts/search?q=Tri%20Wahyu%20Hadi"> Tri Wahyu Hadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Edi%20Riawan"> Edi Riawan</a>, <a href="https://publications.waset.org/abstracts/search?q=Junnaedhi%20Dewa%20Gede"> Junnaedhi Dewa Gede</a>, <a href="https://publications.waset.org/abstracts/search?q=Aditia%20Rojali"> Aditia Rojali</a>, <a href="https://publications.waset.org/abstracts/search?q=Fariza%20Dian%20Prasetyo"> Fariza Dian Prasetyo</a>, <a href="https://publications.waset.org/abstracts/search?q=Yudhistira%20Satya%20Pribadi"> Yudhistira Satya Pribadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Dita%20Fatria%20Andarini"> Dita Fatria Andarini</a>, <a href="https://publications.waset.org/abstracts/search?q=Mila%20Khaerunisa"> Mila Khaerunisa</a>, <a href="https://publications.waset.org/abstracts/search?q=Raditya%20Hanung%20Prakoswa"> Raditya Hanung Prakoswa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Catastrophe risk management can only be done if we are able to calculate the exposed risks. Jakarta is an important city economically, socially, and politically and in the same time exposed to severe floods. On the other hand, flood risk calculation is still very limited in the area. This study has calculated the risk of flooding for Jakarta using 2-Dimensional Model ANUGA. 2-Dimensional model ANUGA and 1-Dimensional Model HEC-RAS are used to calculate the risk of flooding from 13 major rivers in Jakarta. ANUGA can simulate physical and dynamical processes between the streamflow against river geometry and land cover to produce a 1-meter resolution inundation map. The value of streamflow as an input for the model obtained from hydrological analysis on rainfall data using hydrologic model HEC-HMS. The probabilistic streamflow derived from probabilistic rainfall using statistical distribution Log-Pearson III, Normal and Gumbel, through compatibility test using Chi Square and Smirnov-Kolmogorov. Flood event on 2007 is used as a comparison to evaluate the accuracy of model output. Property damage estimations were calculated based on flood depth for 1, 5, 10, 25, 50, and 100 years return period against housing value data from the BPS-Statistics Indonesia, Centre for Research and Development of Housing and Settlements, Ministry of Public Work Indonesia. The vulnerability factor was derived from flood insurance claim. Jakarta's flood loss estimation for the return period of 1, 5, 10, 25, 50, and 100 years, respectively are Rp 1.30 t; Rp 16.18 t; Rp 16.85 t; Rp 21.21 t; Rp 24.32 t; and Rp 24.67 t of the total value of building Rp 434.43 t. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=2D%20hydrodynamic%20model" title="2D hydrodynamic model">2D hydrodynamic model</a>, <a href="https://publications.waset.org/abstracts/search?q=ANUGA" title=" ANUGA"> ANUGA</a>, <a href="https://publications.waset.org/abstracts/search?q=flood" title=" flood"> flood</a>, <a href="https://publications.waset.org/abstracts/search?q=flood%20modeling" title=" flood modeling"> flood modeling</a> </p> <a href="https://publications.waset.org/abstracts/58115/high-resolution-flood-hazard-mapping-using-two-dimensional-hydrodynamic-model-anuga-case-study-of-jakarta-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58115.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">275</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">61</span> Information Technology Service Management System Measurement Using ISO20000-1 and ISO15504-8</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Imam%20Asrowardi">Imam Asrowardi</a>, <a href="https://publications.waset.org/abstracts/search?q=Septafiansyah%20Dwi%20Putra"> Septafiansyah Dwi Putra</a>, <a href="https://publications.waset.org/abstracts/search?q=Eko%20Subyantoro"> Eko Subyantoro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Process assessments can improve IT service management system (IT SMS) processes but the assessment method is not always transparent. This paper outlines a project to develop a solution- mediated process assessment tool to enable transparent and objective SMS process assessment. Using the international standards for SMS and process assessment, the tool is being developed following the International standard approach in collaboration and evaluate by expert judgment from committee members and ITSM practitioners. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=SMS" title="SMS">SMS</a>, <a href="https://publications.waset.org/abstracts/search?q=tools%20evaluation" title=" tools evaluation"> tools evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=ITIL" title=" ITIL"> ITIL</a>, <a href="https://publications.waset.org/abstracts/search?q=ISO%20service" title=" ISO service"> ISO service</a> </p> <a href="https://publications.waset.org/abstracts/69733/information-technology-service-management-system-measurement-using-iso20000-1-and-iso15504-8" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/69733.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">480</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">60</span> Unsteady and Steady State in Natural Convection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Syukri%20Himran">Syukri Himran</a>, <a href="https://publications.waset.org/abstracts/search?q=Erwin%20Eka%20Putra"> Erwin Eka Putra</a>, <a href="https://publications.waset.org/abstracts/search?q=Nanang%20Roni"> Nanang Roni</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study explains the natural convection of viscous fluid flowing on semi-infinite vertical plate. A set of the governing equations describing the continuity, momentum and energy, have been reduced to dimensionless forms by introducing the references variables. To solve the problems, the equations are formulated by explicit finite-difference in time dependent form and computations are performed by Fortran program. The results describe velocity, temperature profiles both in transient and steady state conditions. An approximate value of heat transfer coefficient and the effects of Pr on convection flow are also presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=natural%20convection" title="natural convection">natural convection</a>, <a href="https://publications.waset.org/abstracts/search?q=vertical%20plate" title=" vertical plate"> vertical plate</a>, <a href="https://publications.waset.org/abstracts/search?q=velocity%20and%20temperature%20profiles" title=" velocity and temperature profiles"> velocity and temperature profiles</a>, <a href="https://publications.waset.org/abstracts/search?q=steady%20and%20unsteady" title=" steady and unsteady"> steady and unsteady</a> </p> <a href="https://publications.waset.org/abstracts/35967/unsteady-and-steady-state-in-natural-convection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35967.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">489</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">59</span> Risk Identification of Investment Feasibility in Indonesia’s Toll Road Infrastructure Investment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Christo%20Februanto%20Putra">Christo Februanto Putra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents risk identification that affects investment feasibility on toll road infrastructure in Indonesia using qualitative methods survey based on the expert practitioner in investor, contractor, and state officials. The problems on infrastructure investment in Indonesia, especially on KPBU model contract, is many risk factors in the investment plan is not calculated in detail thoroughly. Risk factor is a value used to provide an overview of the risk level assessment of an event which is a function of the probability of the occurrence and the consequences of the risks that arise. As results of the survey which is to show which risk factors impacts directly to the investment feasibility and rank them by their impacts on the investment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=risk%20identification" title="risk identification">risk identification</a>, <a href="https://publications.waset.org/abstracts/search?q=indonesia%20toll%20road" title=" indonesia toll road"> indonesia toll road</a>, <a href="https://publications.waset.org/abstracts/search?q=investment%20feasibility" title=" investment feasibility"> investment feasibility</a> </p> <a href="https://publications.waset.org/abstracts/142379/risk-identification-of-investment-feasibility-in-indonesias-toll-road-infrastructure-investment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142379.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">280</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">58</span> A Measuring Industrial Resiliency by Using Data Envelopment Analysis Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ida%20Bagus%20Made%20Putra%20Jandhana">Ida Bagus Made Putra Jandhana</a>, <a href="https://publications.waset.org/abstracts/search?q=Teuku%20Yuri%20M.%20Zagloel"> Teuku Yuri M. Zagloel</a>, <a href="https://publications.waset.org/abstracts/search?q=Rahmat%20Nurchayo"> Rahmat Nurchayo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Having several crises that affect industrial sector performance in the past decades, decision makers should utilize measurement application that enables them to measure industrial resiliency more precisely. It provides not only a framework for the development of resilience measurement application, but also several theories for the concept building blocks, such as performance measurement management, and resilience engineering in real world environment. This research is a continuation of previously published paper on performance measurement in the industrial sector. Finally, this paper contributes an alternative performance measurement method in industrial sector based on resilience concept. Moreover, this research demonstrates how applicable the concept of resilience engineering is and its method of measurement. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=industrial" title="industrial">industrial</a>, <a href="https://publications.waset.org/abstracts/search?q=measurement" title=" measurement"> measurement</a>, <a href="https://publications.waset.org/abstracts/search?q=resilience" title=" resilience"> resilience</a>, <a href="https://publications.waset.org/abstracts/search?q=sector" title=" sector"> sector</a> </p> <a href="https://publications.waset.org/abstracts/79172/a-measuring-industrial-resiliency-by-using-data-envelopment-analysis-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/79172.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">276</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">57</span> Effect of Temperature on the Production of Fructose and Bioethanol from Date’s Syrup using S. cerevisiae ATCC 36859</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20Zeinelabdeen">M. A. Zeinelabdeen</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20E.%20Abasaeed"> A. E. Abasaeed</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20H.%20Gaily"> M. H. Gaily</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20K.%20Sulieman"> A. K. Sulieman</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20D.%20Putra"> M. D. Putra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The effect of temperature on the production of fructose and bioethanol from date syrup via selective fermentation by S. cerevisiae ATCC 36859 strain was studied. Various temperatures have been tested (27, 30 and 33 ᵒC). The fermentation experiments were conducted in a water shaker bath at the three temperatures under testing and 120 rpm. The results showed that a high fructose yield can be achieved at all temperatures under testing while the optimal is 27 ᵒC with 84% fructose yield. A high ethanol yield can be obtained for all temperatures under testing. However; the maximum biomass concentration and ethanol yield (86.22%) were obtained at 30 ᵒC. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dates" title="dates">dates</a>, <a href="https://publications.waset.org/abstracts/search?q=ethanol" title=" ethanol"> ethanol</a>, <a href="https://publications.waset.org/abstracts/search?q=fructose" title=" fructose"> fructose</a>, <a href="https://publications.waset.org/abstracts/search?q=fermentation" title=" fermentation"> fermentation</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20cerevisiae" title=" S. cerevisiae"> S. cerevisiae</a> </p> <a href="https://publications.waset.org/abstracts/11038/effect-of-temperature-on-the-production-of-fructose-and-bioethanol-from-dates-syrup-using-s-cerevisiae-atcc-36859" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11038.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">402</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">56</span> Wedding Organizer Strategy in the Era Covid-19 Pandemic In Surabaya, Indonesia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rifky%20Cahya%20Putra">Rifky Cahya Putra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> At this time of corona makes some countries affected difficult. As a result, many traders or companies are difficult to work in this pandemic era. So human activities in some fields must implement a new lifestyle or known as new normal. The transition from the one activity to another certainly requires high adaptation. So that almost in all sectors experience the impact of this phase, on of which is the wedding organizer. This research aims to find out what strategies are used so that the company can run in this pandemic. Techniques in data collection in the form interview to the owner of the wedding organizer and his team. Data analysis qualitative descriptive use interactive model analysis consisting of three main things, namely data reduction, data presentaion, and conclusion. For the result of the interview, the conclusion is that there are three strategies consisting of social media, sponsorship, and promotion. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=strategy" title="strategy">strategy</a>, <a href="https://publications.waset.org/abstracts/search?q=wedding%20organizer" title=" wedding organizer"> wedding organizer</a>, <a href="https://publications.waset.org/abstracts/search?q=pandemic" title=" pandemic"> pandemic</a>, <a href="https://publications.waset.org/abstracts/search?q=indonesia" title=" indonesia"> indonesia</a> </p> <a href="https://publications.waset.org/abstracts/145334/wedding-organizer-strategy-in-the-era-covid-19-pandemic-in-surabaya-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/145334.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">133</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">55</span> Monocular Visual Odometry for Three Different View Angles by Intel Realsense T265 with the Measurement of Remote</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Heru%20Syah%20Putra">Heru Syah Putra</a>, <a href="https://publications.waset.org/abstracts/search?q=Aji%20Tri%20Pamungkas%20Nurcahyo"> Aji Tri Pamungkas Nurcahyo</a>, <a href="https://publications.waset.org/abstracts/search?q=Chuang-Jan%20Chang"> Chuang-Jan Chang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> MOIL-SDK method refers to the spatial angle that forms a view with a different perspective from the Fisheye image. Visual Odometry forms a trusted application for extending projects by tracking using image sequences. A real-time, precise, and persistent approach that is able to contribute to the work when taking datasets and generate ground truth as a reference for the estimates of each image using the FAST Algorithm method in finding Keypoints that are evaluated during the tracking process with the 5-point Algorithm with RANSAC, as well as produce accurate estimates the camera trajectory for each rotational, translational movement on the X, Y, and Z axes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=MOIL-SDK" title="MOIL-SDK">MOIL-SDK</a>, <a href="https://publications.waset.org/abstracts/search?q=intel%20realsense%20T265" title=" intel realsense T265"> intel realsense T265</a>, <a href="https://publications.waset.org/abstracts/search?q=Fisheye%20image" title=" Fisheye image"> Fisheye image</a>, <a href="https://publications.waset.org/abstracts/search?q=monocular%20visual%20odometry" title=" monocular visual odometry"> monocular visual odometry</a> </p> <a href="https://publications.waset.org/abstracts/147340/monocular-visual-odometry-for-three-different-view-angles-by-intel-realsense-t265-with-the-measurement-of-remote" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/147340.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">134</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">54</span> Comparative Study od Three Artificial Intelligence Techniques for Rain Domain in Precipitation Forecast</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nabilah%20Filzah%20Mohd%20Radzuan">Nabilah Filzah Mohd Radzuan</a>, <a href="https://publications.waset.org/abstracts/search?q=Andi%20Putra"> Andi Putra</a>, <a href="https://publications.waset.org/abstracts/search?q=Zalinda%20Othman"> Zalinda Othman</a>, <a href="https://publications.waset.org/abstracts/search?q=Azuraliza%20Abu%20Bakar"> Azuraliza Abu Bakar</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdul%20Razak%20Hamdan"> Abdul Razak Hamdan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Precipitation forecast is important to avoid natural disaster incident which can cause losses in the involved area. This paper reviews three techniques logistic regression, decision tree, and random forest which are used in making precipitation forecast. These combination techniques through the vector auto-regression (VAR) model help in finding the advantages and strengths of each technique in the forecast process. The data-set contains variables of the rain’s domain. Adaptation of artificial intelligence techniques involved in rain domain enables the forecast process to be easier and systematic for precipitation forecast. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=logistic%20regression" title="logistic regression">logistic regression</a>, <a href="https://publications.waset.org/abstracts/search?q=decisions%20tree" title=" decisions tree"> decisions tree</a>, <a href="https://publications.waset.org/abstracts/search?q=random%20forest" title=" random forest"> random forest</a>, <a href="https://publications.waset.org/abstracts/search?q=VAR%20model" title=" VAR model"> VAR model</a> </p> <a href="https://publications.waset.org/abstracts/1420/comparative-study-od-three-artificial-intelligence-techniques-for-rain-domain-in-precipitation-forecast" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1420.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">446</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">53</span> Water Self Sufficient: Creating a Sustainable Water System Based on Urban Harvest Approach in La Serena, Chile</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zulfikar%20Dinar%20Wahidayat%20Putra">Zulfikar Dinar Wahidayat Putra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Water scarcity become a major challenge in an arid area. One of the arid areas is La Serena city in the Northern Chile which become a case study of this paper. Based on that, this paper tries to identify a sustainable water system by using urban harvest approach as a method to achieve water self-sufficiency for a neighborhood area in the La Serena city. By using the method, it is possible to create sustainable water system in the neighborhood area by reducing up to 38% of water demand and 94% of wastewater production even though water self-sufficient cannot be fully achieved, because of its dependency to the drinking water supply from water treatment plant of La Serena city. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=arid%20area" title="arid area">arid area</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20water%20system" title=" sustainable water system"> sustainable water system</a>, <a href="https://publications.waset.org/abstracts/search?q=urban%20harvest%20approach" title=" urban harvest approach"> urban harvest approach</a>, <a href="https://publications.waset.org/abstracts/search?q=self-sufficiency" title=" self-sufficiency"> self-sufficiency</a> </p> <a href="https://publications.waset.org/abstracts/60849/water-self-sufficient-creating-a-sustainable-water-system-based-on-urban-harvest-approach-in-la-serena-chile" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60849.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">264</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">52</span> Performance of the Hybrid Loop Heat Pipe</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nandy%20Putra">Nandy Putra</a>, <a href="https://publications.waset.org/abstracts/search?q=Imansyah%20Ibnu%20Hakim"> Imansyah Ibnu Hakim</a>, <a href="https://publications.waset.org/abstracts/search?q=Iwan%20Setyawan"> Iwan Setyawan</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Zayd%20A.I"> Muhammad Zayd A.I</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A two-phase cooling technology of passive system sometimes can no longer meet the cooling needs of an increasingly challenging due to the inherent limitations of the capillary pumping for example in terms of the heat flux that can lead to dry out. In this study, intended to overcome the dry out with the addition of a diaphragm, they pump to accelerate the fluid transportation from the condenser to the evaporator. Diaphragm pump installed on the bypass line. When it did not happen dry out then the hybrid loop heat pipe will be work passively using a capillary pressure of wick. Meanwhile, when necessary, hybrid loop heat pipe will be work actively, using diaphragm pump with temperature control installed on the evaporator. From the results, it can be said that the pump has been successfully overcome dry out and can distribute working fluid from the condenser to the evaporator and reduce the temperature of the evaporator from 143°C to 100°C as a temperature controlled where the pump start actively at set point 100°C. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hybrid" title="hybrid">hybrid</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20pipe" title=" heat pipe"> heat pipe</a>, <a href="https://publications.waset.org/abstracts/search?q=dry%20out" title=" dry out"> dry out</a>, <a href="https://publications.waset.org/abstracts/search?q=assisted" title=" assisted"> assisted</a>, <a href="https://publications.waset.org/abstracts/search?q=pump" title=" pump "> pump </a> </p> <a href="https://publications.waset.org/abstracts/32171/performance-of-the-hybrid-loop-heat-pipe" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32171.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">352</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">51</span> Investigation of Cascade Loop Heat Pipes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nandy%20Putra">Nandy Putra</a>, <a href="https://publications.waset.org/abstracts/search?q=Atrialdipa%20Duanovsah"> Atrialdipa Duanovsah</a>, <a href="https://publications.waset.org/abstracts/search?q=Kristofer%20Haliansyah"> Kristofer Haliansyah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this research is to design a LHP with low thermal resistance and low condenser temperature. A Self-designed cascade LHP was tested by using biomaterial, sintered copper powder, and aluminum screen mesh as the wick. Using pure water as the working fluid for the first level of the LHP and 96% alcohol as the working fluid for the second level of LHP, the experiments were run with 10W, 20W, and 30W heat input. Experimental result shows that the usage of biomaterial as wick could reduce more temperature at evaporator than by using sintered copper powder and screen mesh up to 22.63% and 37.41% respectively. The lowest thermal resistance occurred during the usage of biomaterial as wick of heat pipe, which is 2.06 <sup>o</sup>C/W. The usage of cascade system could be applied to LHP to reduce the temperature at condenser and reduced thermal resistance up to 17.6%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biomaterial" title="biomaterial">biomaterial</a>, <a href="https://publications.waset.org/abstracts/search?q=cascade%20loop%20heat%20pipe" title=" cascade loop heat pipe"> cascade loop heat pipe</a>, <a href="https://publications.waset.org/abstracts/search?q=screen%20mesh" title=" screen mesh"> screen mesh</a>, <a href="https://publications.waset.org/abstracts/search?q=sintered%20Cu" title=" sintered Cu"> sintered Cu</a> </p> <a href="https://publications.waset.org/abstracts/30592/investigation-of-cascade-loop-heat-pipes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30592.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">264</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">50</span> Fabrication of Cellulose Acetate/Polyethylene Glycol Membranes Blended with Silica and Carbon Nanotube for Desalination Process </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Siti%20Nurkhamidah">Siti Nurkhamidah</a>, <a href="https://publications.waset.org/abstracts/search?q=Yeni%20Rahmawati"> Yeni Rahmawati</a>, <a href="https://publications.waset.org/abstracts/search?q=Fadlilatul%20Taufany"> Fadlilatul Taufany</a>, <a href="https://publications.waset.org/abstracts/search?q=Eamor%20M.%20Woo"> Eamor M. Woo</a>, <a href="https://publications.waset.org/abstracts/search?q=I%20Made%20P.%20A.%20Merta"> I Made P. A. Merta</a>, <a href="https://publications.waset.org/abstracts/search?q=Deffry%20D.%20A.%20Putra"> Deffry D. A. Putra</a>, <a href="https://publications.waset.org/abstracts/search?q=Pitsyah%20Alifiyanti"> Pitsyah Alifiyanti</a>, <a href="https://publications.waset.org/abstracts/search?q=Krisna%20D.%20Priambodo"> Krisna D. Priambodo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cellulose acetate/polyethylene glycol (CA/PEG) membrane was modified with varying amount of silica and carbon nanotube (CNT) to enhance its separation performance in the desalination process. These composite membranes were characterized for their hydrophilicity, morphology and permeation properties. The experiment results show that hydrophilicity of CA/PEG/Silica membranes increases with the increasing of silica concentration and the decreasing particle size of silica. From Scanning Electron Microscopy (SEM) image, it shows that pore structure of CA/PEG membranes increases with the addition of silica. Membrane performance analysis shows that permeate flux, salt rejection, and permeability of membranes increase with the increasing of silica concentrations. The effect of CNT on the hydrophylicity, morphology, and permeation properties was also discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carbon%20nanotube" title="carbon nanotube">carbon nanotube</a>, <a href="https://publications.waset.org/abstracts/search?q=cellulose%20acetate" title=" cellulose acetate"> cellulose acetate</a>, <a href="https://publications.waset.org/abstracts/search?q=desalination" title=" desalination"> desalination</a>, <a href="https://publications.waset.org/abstracts/search?q=membrane" title=" membrane"> membrane</a>, <a href="https://publications.waset.org/abstracts/search?q=PEG" title=" PEG"> PEG</a> </p> <a href="https://publications.waset.org/abstracts/50953/fabrication-of-cellulose-acetatepolyethylene-glycol-membranes-blended-with-silica-and-carbon-nanotube-for-desalination-process" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/50953.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">320</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">49</span> The Growth Curve of Gompertz Model in Body Weight of Slovak Mixed-Sex Goose Breeds</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Cyril%20Hrncar">Cyril Hrncar</a>, <a href="https://publications.waset.org/abstracts/search?q=Jozef%20Bujko"> Jozef Bujko</a>, <a href="https://publications.waset.org/abstracts/search?q=Widya%20P.%20B.%20Putra"> Widya P. B. Putra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The growth curve of poultry is important to evaluate the farming management system. This study was aimed to estimate the growth curve of body weight in goose. The growth curve in this study was estimated with non-linear Gompertz model through CurveExpert 1.4. software. Three Slovak mixed-sex goose breeds of Landes (L), Pomeranian (P) and Steinbacher (S) were used in this study. Total of 28 geese (10 L, 8 P and 10 S) were used to estimate the growth curve. Research showed that the asymptotic weight (A) in those geese were reached of 5332.51 g (L), 6186.14 g (P) and 5048.27 g (S). Thus, the maturing rate (k) in each breed were similar (0.05 g/day). The weight of inflection was reached of 1960.48 g (L), 2274.32 g (P) and 1855.98 g (S). The time of inflection (ti) was reached of 25.6 days (L), 26.2 days (P) and 27.80 days (S). The maximum growth rate (MGR) was reached of 98.02 g/day (L), 113.72 g/day (P) and 92.80 g/day (S). Hence, the coefficient of determination (R2) in Gompertz model was 0.99 for each breed. It can be concluded that Pomeranian geese had highest of growth trait than the other breeds. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=body%20weight" title="body weight">body weight</a>, <a href="https://publications.waset.org/abstracts/search?q=growth%20curve" title=" growth curve"> growth curve</a>, <a href="https://publications.waset.org/abstracts/search?q=inflection" title=" inflection"> inflection</a>, <a href="https://publications.waset.org/abstracts/search?q=Slovak%20geese" title=" Slovak geese"> Slovak geese</a>, <a href="https://publications.waset.org/abstracts/search?q=Gompertz%20model" title=" Gompertz model"> Gompertz model</a> </p> <a href="https://publications.waset.org/abstracts/129511/the-growth-curve-of-gompertz-model-in-body-weight-of-slovak-mixed-sex-goose-breeds" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/129511.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">146</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">48</span> Cultural Traditions Petik Laut and Onjem in Gili Island, Indonesia That Potential as Ecotourism to Bring Indonesia's Culture to the World</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dwi%20Yulian%20Fahruddin%20Shah">Dwi Yulian Fahruddin Shah</a>, <a href="https://publications.waset.org/abstracts/search?q=Mochammad%20Luthfy%20Rizaldy%20Dwi%20Putra"> Mochammad Luthfy Rizaldy Dwi Putra</a>, <a href="https://publications.waset.org/abstracts/search?q=Tommy%20Adi%20Rachmawan"> Tommy Adi Rachmawan</a>, <a href="https://publications.waset.org/abstracts/search?q=Mona%20Annisa%20Matondang"> Mona Annisa Matondang</a>, <a href="https://publications.waset.org/abstracts/search?q=Nadya%20Sylvia"> Nadya Sylvia</a>, <a href="https://publications.waset.org/abstracts/search?q=Hilmy%20Ramzy%20Rinaldy"> Hilmy Ramzy Rinaldy</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Gili island is one of the island in Indonesia which is located in Probolinggo city, East Java. Gili Island has some potential culture as local wisdom that can be used as tourism commodity because it can be used as attractive ecotourism. With the ecotourism that utilize local wisdom of Indonesian’s culture that located in Gili can introduce the richness of Indonesian culture in the world that will increase foreign exchange. One of the cultural potential as local wisdom in Gili island are Petik Laut and Onjem. It are a culture in Gili island that can’t be found in other island in Indonesia. Not just that but also it are a cultural identity that is owned by Gili island which has fill the criteria to be used as local wisdom that can be used as ecotourism that can bring Indonesian culture to the world so that the tourists of the world will visit to Indonesia, especially to Gili island to see Petik Laut and Onjem culture directly. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gili%20island" title="Gili island">Gili island</a>, <a href="https://publications.waset.org/abstracts/search?q=petik%20laut%20and%20onjem%20culture" title=" petik laut and onjem culture"> petik laut and onjem culture</a>, <a href="https://publications.waset.org/abstracts/search?q=ecotourism" title=" ecotourism"> ecotourism</a>, <a href="https://publications.waset.org/abstracts/search?q=indonesia%E2%80%99s%20culture" title=" indonesia’s culture"> indonesia’s culture</a> </p> <a href="https://publications.waset.org/abstracts/19752/cultural-traditions-petik-laut-and-onjem-in-gili-island-indonesia-that-potential-as-ecotourism-to-bring-indonesias-culture-to-the-world" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19752.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">557</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">47</span> Performance of Flat Plate Loop Heat Pipe for Thermal Management of Lithium-Ion Battery in Electric Vehicle Application</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bambang%20Ariantara">Bambang Ariantara</a>, <a href="https://publications.waset.org/abstracts/search?q=Nandy%20Putra"> Nandy Putra</a>, <a href="https://publications.waset.org/abstracts/search?q=Rangga%20Aji%20Pamungkas"> Rangga Aji Pamungkas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The development of electric vehicle batteries has resulted in very high energy density lithium-ion batteries. However, this progress is accompanied by the risk of thermal runaway, which can result in serious accidents. Heat pipes are heat exchangers that are suitable to be applied in electric vehicle battery thermal management for their lightweight, compact size and do not require external power supply. This paper aims to examine experimentally a flat plate loop heat pipe (FPLHP) performance as a heat exchanger in the thermal management system of the lithium-ion battery for electric vehicle application. The heat generation of the battery was simulated using a cartridge heater. Stainless steel screen mesh was used as the capillary wick. Distilled water, alcohol and acetone were used as working fluids with a filling ratio of 60%. It was found that acetone gives the best performance that produces the thermal resistance of 0.22 W/°C with 50 °C evaporator temperature at heat flux load of 1.61 W/cm2. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electric%20vehicle" title="electric vehicle">electric vehicle</a>, <a href="https://publications.waset.org/abstracts/search?q=flat-plate%20loop%20heat%20pipe" title=" flat-plate loop heat pipe"> flat-plate loop heat pipe</a>, <a href="https://publications.waset.org/abstracts/search?q=lithium-ion%20battery" title=" lithium-ion battery"> lithium-ion battery</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20management%20system" title=" thermal management system"> thermal management system</a> </p> <a href="https://publications.waset.org/abstracts/30606/performance-of-flat-plate-loop-heat-pipe-for-thermal-management-of-lithium-ion-battery-in-electric-vehicle-application" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30606.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">351</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">46</span> The Importance of Development in Laboratory Diagnosis at the Intersection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Agus%20Sahri">Agus Sahri</a>, <a href="https://publications.waset.org/abstracts/search?q=Cahya%20Putra%20Dinata"> Cahya Putra Dinata</a>, <a href="https://publications.waset.org/abstracts/search?q=Faishal%20Andhi%20Rokhman"> Faishal Andhi Rokhman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Intersection is a critical area on a highway which is a place of conflict points and congestion due to the meeting of two or more roads. Conflicts that occur at the intersection include diverging, merging, weaving, and crossing. To deal with these conflicts, a crossing control system is needed, at a plot of intersection there are two control systems namely signal intersections and non-signalized intersections. The control system at a plot of intersection can affect the intersection performance. In Indonesia there are still many intersections with poor intersection performance. In analyzing the parameters to measure the performance of a plot of intersection in Indonesia, it is guided by the 1997 Indonesian Road Capacity Manual. For this reason, this study aims to develop laboratory diagnostics at plot intersections to analyze parameters that can affect the performance of an intersection. The research method used is <em>research and development.</em> The laboratory diagnosis includes anamnesis, differential diagnosis, inspection, diagnosis, prognosis, specimens, analysis and sample data analysts. It is expected that this research can encourage the development and application of laboratory diagnostics at a plot of intersection in Indonesia so that intersections can function optimally. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=intersection" title="intersection">intersection</a>, <a href="https://publications.waset.org/abstracts/search?q=the%20laboratory%20diagnostic" title=" the laboratory diagnostic"> the laboratory diagnostic</a>, <a href="https://publications.waset.org/abstracts/search?q=control%20systems" title=" control systems"> control systems</a>, <a href="https://publications.waset.org/abstracts/search?q=Indonesia" title=" Indonesia"> Indonesia</a> </p> <a href="https://publications.waset.org/abstracts/108403/the-importance-of-development-in-laboratory-diagnosis-at-the-intersection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/108403.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">185</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">45</span> Mapping the Potential and Development Strategy of Digital Economy in Indonesia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jordan%20Putra%20Cahyono">Jordan Putra Cahyono</a>, <a href="https://publications.waset.org/abstracts/search?q=Tiara%20Ayu%20Kusumaningtyas"> Tiara Ayu Kusumaningtyas</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohtar%20Rasyid"> Mohtar Rasyid</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article aims to map the potential and strategy of digital economy develop-ment in Indonesia by using literature study and secondary data analysis. In the Indonesian context, the digital economy is attracting attention, especially amid the COVID-19 pandemic, which has brought substantial changes in economic activi-ties. This research aims to provide new insights into the potential and develop-ment strategies of the digital economy in Indonesia. This article also evaluates the effectiveness and efficiency of digital economic development strategies imple-mented in Indonesia. A literature review concluded that Indonesia has great po-tential to develop the digital economy with favorable conditions, including a large population, improved ICT infrastructure, and relatively liberalized regulations. Using qualitative and quantitative approaches, this research covers the subject of the potential and strategies for developing a digital economy in Indonesia. This article presents the research results, which are then discussed in the context of the potential and strategy of digital economy development in Indonesia. This article is expected to contribute to understanding Indonesia's digital economy and stimulate further discussion to formulate a robust development strategy and appropriate regulatory framework. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=indonesia%27s%20digital%20economy" title="indonesia's digital economy">indonesia's digital economy</a>, <a href="https://publications.waset.org/abstracts/search?q=ICT%20infrastructure" title=" ICT infrastructure"> ICT infrastructure</a>, <a href="https://publications.waset.org/abstracts/search?q=development%20strategy" title=" development strategy"> development strategy</a>, <a href="https://publications.waset.org/abstracts/search?q=potential" title=" potential"> potential</a> </p> <a href="https://publications.waset.org/abstracts/183186/mapping-the-potential-and-development-strategy-of-digital-economy-in-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/183186.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">60</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">44</span> Behavioural Intention to Use Learning Management System (LMS) among Postgraduate Students: An Application of Utaut Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kamaludeen%20Samaila">Kamaludeen Samaila</a>, <a href="https://publications.waset.org/abstracts/search?q=Khashyaullah%20Abdulfattah"> Khashyaullah Abdulfattah</a>, <a href="https://publications.waset.org/abstracts/search?q=Fahimi%20Ahmad%20Bin%20Amir"> Fahimi Ahmad Bin Amir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study was conducted to examine the relationship between selected factors (performance expectancy, effort expectancy, social influence and facilitating condition) and students’ intention to use the learning management system (LMS), as well as investigating the factors predicting students’ intention to use the LMS. The study was specifically conducted at the Faculty of Educational Study of University Putra Malaysia. Questionnaires were distributed to 277 respondents using a random sampling technique. SPSS Version 22 was employed in analyzing the data; the findings of this study indicated that performance expectancy (r = .69, p < .01), effort expectancy (r=.60, p < .01), social influence (r = .61, p < .01), and facilitating condition (r=.42, p < .01), were significantly related to students’ intention to use the LMS. In addition, the result also revealed that performance expectancy (β = .436, p < .05), social influence (β=.232, p < .05), and effort expectancy (β = .193, p < .05) were strong predictors of students’ intention to use the LMS. The analysis further indicated that (R2) is 0.054 which means that 54% of variation in the dependent variable is explained by the entire predictor variables entered into the regression model. Understanding the factors that affect students’ intention to use the LMS could help the lecturers, LMS managers and university management to develop the policies that may attract students to use the LMS. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=LMS" title="LMS">LMS</a>, <a href="https://publications.waset.org/abstracts/search?q=postgraduate%20students" title=" postgraduate students"> postgraduate students</a>, <a href="https://publications.waset.org/abstracts/search?q=PutraBlas" title=" PutraBlas"> PutraBlas</a>, <a href="https://publications.waset.org/abstracts/search?q=students%E2%80%99%20intention" title=" students’ intention"> students’ intention</a>, <a href="https://publications.waset.org/abstracts/search?q=UPM" title=" UPM"> UPM</a>, <a href="https://publications.waset.org/abstracts/search?q=UTAUT%20model" title=" UTAUT model "> UTAUT model </a> </p> <a href="https://publications.waset.org/abstracts/69426/behavioural-intention-to-use-learning-management-system-lms-among-postgraduate-students-an-application-of-utaut-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/69426.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">510</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">43</span> Vulnerability Risk Assessment of Non-Engineered Houses Based on Damage Data of the 2009 Padang Earthquake 2009 in Padang City, Indonesia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rusnardi%20Rahmat%20Putra">Rusnardi Rahmat Putra</a>, <a href="https://publications.waset.org/abstracts/search?q=Junji%20Kiyono"> Junji Kiyono</a>, <a href="https://publications.waset.org/abstracts/search?q=Aiko%20Furukawa"> Aiko Furukawa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Several powerful earthquakes have struck Padang during recent years, one of the largest of which was an M 7.6 event that occurred on September 30, 2009 and caused more than 1000 casualties. Following the event, we conducted a 12-site microtremor array investigation to gain a representative determination of the soil condition of subsurface structures in Padang. From the dispersion curve of array observations, the central business district of Padang corresponds to relatively soft soil condition with Vs30 less than 400 m/s. because only one accelerometer existed, we simulated the 2009 Padang earthquake to obtain peak ground acceleration for all sites in Padang city. By considering the damage data of the 2009 Padang earthquake, we produced seismic risk vulnerability estimation of non-engineered houses for rock, medium and soft soil condition. We estimated the loss ratio based on the ground response, seismic hazard of Padang and the existing damaged to non-engineered structure houses due to Padang earthquake in 2009 data for several return periods of earthquake events. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=profile" title="profile">profile</a>, <a href="https://publications.waset.org/abstracts/search?q=Padang%20earthquake" title=" Padang earthquake"> Padang earthquake</a>, <a href="https://publications.waset.org/abstracts/search?q=microtremor%20array" title=" microtremor array"> microtremor array</a>, <a href="https://publications.waset.org/abstracts/search?q=seismic%20vulnerability" title=" seismic vulnerability"> seismic vulnerability</a> </p> <a href="https://publications.waset.org/abstracts/10342/vulnerability-risk-assessment-of-non-engineered-houses-based-on-damage-data-of-the-2009-padang-earthquake-2009-in-padang-city-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10342.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">410</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">42</span> Optimization of Soybean Oil by Modified Supercritical Carbon Dioxide</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=N.%20R.%20Putra">N. R. Putra</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20H.%20Abdul%20Aziz"> A. H. Abdul Aziz</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20S.%20Zaini"> A. S. Zaini</a>, <a href="https://publications.waset.org/abstracts/search?q=Z.%20Idham"> Z. Idham</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Idrus"> F. Idrus</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Z.%20Bin%20Zullyadini"> M. Z. Bin Zullyadini</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20Che%20Yunus"> M. A. Che Yunus</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The content of omega-3 in soybean oil is important in the development of infants and is an alternative for the omega-3 in fish oils. The investigation of extraction of soybean oil is needed to obtain the bioactive compound in the extract. Supercritical carbon dioxide extraction is modern and green technology to extract herbs and plants to obtain high quality extract due to high diffusivity and solubility of the solvent. The aim of this study was to obtain the optimum condition of soybean oil extraction by modified supercritical carbon dioxide. The soybean oil was extracted by using modified supercritical carbon dioxide (SC-CO<sub>2</sub>) under the temperatures of 40, 60, 80 °C, pressures of 150, 250, 350 Bar, and constant flow-rate of 10 g/min as the parameters of extraction processes. An experimental design was performed in order to optimize three important parameters of SC-CO<sub>2 </sub>extraction which are pressure (X<sub>1</sub>), temperature (X<sub>2</sub>) to achieve optimum yields of soybean oil. Box Behnken Design was applied for experimental design. From the optimization process, the optimum condition of extraction of soybean oil was obtained at pressure 338 Bar and temperature 80 °C with oil yield of 2.713 g. Effect of pressure is significant on the extraction of soybean oil by modified supercritical carbon dioxide. Increasing of pressure will increase the oil yield of soybean oil. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=soybean%20oil" title="soybean oil">soybean oil</a>, <a href="https://publications.waset.org/abstracts/search?q=SC-CO%E2%82%82%20extraction" title=" SC-CO₂ extraction"> SC-CO₂ extraction</a>, <a href="https://publications.waset.org/abstracts/search?q=yield" title=" yield"> yield</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a> </p> <a href="https://publications.waset.org/abstracts/97054/optimization-of-soybean-oil-by-modified-supercritical-carbon-dioxide" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/97054.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">255</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">41</span> Service Information Integration Platform as Decision Making Tools for the Service Industry Supply Chain-Indonesia Service Integration Project</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Haikal%20Achmad%20Thaha">Haikal Achmad Thaha</a>, <a href="https://publications.waset.org/abstracts/search?q=Pujo%20Laksono"> Pujo Laksono</a>, <a href="https://publications.waset.org/abstracts/search?q=Dhamma%20Nibbana%20Putra"> Dhamma Nibbana Putra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Customer service is one of the core interest in a service sector of a company, whether as the core business or as service part of the operation. Most of the time, the people and the previous research in service industry is focused on finding the best business model solution for the service sector, usually to decide between total in house customer service, outsourcing, or something in between. Conventionally, to take this decision is some important part of the management job, and this is a process that usually takes some time and staff effort, meanwhile market condition and overall company needs may change and cause loss of income and temporary disturbance in the companies operation . However, in this paper we have offer a new concept model to assist decision making process in service industry. This model will featured information platform as central tool to integrate service industry operation. The result is service information model which would ideally increase response time and effectivity of the decision making. it will also help service industry in switching the service solution system quickly through machine learning when the companies growth and the service solution needed are changing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=service%20industry" title="service industry">service industry</a>, <a href="https://publications.waset.org/abstracts/search?q=customer%20service" title=" customer service"> customer service</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=decision%20making" title=" decision making"> decision making</a>, <a href="https://publications.waset.org/abstracts/search?q=information%20platform" title=" information platform"> information platform</a> </p> <a href="https://publications.waset.org/abstracts/28111/service-information-integration-platform-as-decision-making-tools-for-the-service-industry-supply-chain-indonesia-service-integration-project" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28111.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">622</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">40</span> Study of Village Scale Community Based Water Supply and Sanitation Program (Pamsimas) in Indonesia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Reza%20Eka%20Putra">Reza Eka Putra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Pamsimas is a community based drinking water supply and sanitation program which is contributed by local community, local government, central government, and World Bank with the aim of achieving Water Supply and Sanitation - the Millennium Development Goals (WSS-MDGs) target. This program is supported by the Ministry of Public Works as the executing agency with the cooperation of Ministry of Interior and the Ministry of Health. Field observations were conducted in two rural samples of 2009 beneficiaries Pamsimas West Java, which is in Ponggang Village, Subang District. The study was evaluated through several parameters, including technical, health, and empowerment aspect. Evaluation was done by comparing the parameters of success that has been set by Pamsimas through Pamsimas book manuals with the parameters from Sanitation & Infrastructure course regarding the appropriate application of technology in society. The result of the study is that the potency of the community before the program is implemented in the village is the determining factor. Stronger cooperation pattern in Ponggang Vilage results in a successful program. Both villages showed a pattern of behavior changes from indiscriminate defecation to sanitary latrine use. Besides, there is a decline in the number of cases of diarrheal disease since the year of Pamsimas implementation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=millenium%20development%20goals" title="millenium development goals">millenium development goals</a>, <a href="https://publications.waset.org/abstracts/search?q=community%20develpoment" title=" community develpoment"> community develpoment</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20supply" title=" water supply"> water supply</a>, <a href="https://publications.waset.org/abstracts/search?q=sanitation" title=" sanitation"> sanitation</a> </p> <a href="https://publications.waset.org/abstracts/42910/study-of-village-scale-community-based-water-supply-and-sanitation-program-pamsimas-in-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42910.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">254</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">39</span> Comparison of the Effectiveness of Neisseria gonorrhea Crude Protein Injections with Intravenous, Intracutaneous, and Subcutaneous</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Annisa%20Amalina">Annisa Amalina</a>, <a href="https://publications.waset.org/abstracts/search?q=Lintang%20Sekar%20Sari"> Lintang Sekar Sari</a>, <a href="https://publications.waset.org/abstracts/search?q=Khairunnisa%20Salsabila"> Khairunnisa Salsabila</a>, <a href="https://publications.waset.org/abstracts/search?q=Astya%20Gema%20Ramadhan"> Astya Gema Ramadhan</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Fatkhi"> M. Fatkhi</a>, <a href="https://publications.waset.org/abstracts/search?q=Andani%20Eka%20Putra"> Andani Eka Putra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Gonorrhea is one of the sexually transmitted diseases by genito-genital, oro-genital and anogenital. Gonorrhea disease will cause complications if not treated properly. The diagnostic tool that has been used nowadays is microscopic. Thus a rapid diagnostic tool for gonorrhea is required, using polyclonal antibodies. The purpose of this study was to determine the effectiveness of injections of intravenous, subcutaneous and intracutaneous crude protein gonorrhea. The research method used in this research is experimental explorative. This research was conducted in Molecular Microbiology Laboratory of Faculty of Medicine, Andalas University for 3 months from April to June 2017. This study used 3 groups of rabbit with intravenous, subcutaneous, and intracutaneous injections. Each group was treated on days 1, 7, 21, and 28 with crude protein injection. After that, the examination of antibody levels held by using ELISA, followed by the antibody comparative tests contained in all three groups. The results examined by One Way ANOVA test on SPSS 21 and showed that there is no significant difference between intravenous, subcutaneous, and intracutaneous use p=0.69 (p < 0.05). However, there is an increased level (0.047 to 1.171) in antibodies from day 1 to day 14. In addition, subcutaneous use is preferred because it has minimal side effects compared to intravenous and intracutaneous use. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=crude%20protein" title="crude protein">crude protein</a>, <a href="https://publications.waset.org/abstracts/search?q=Neisseria%20gonorrhea" title=" Neisseria gonorrhea"> Neisseria gonorrhea</a>, <a href="https://publications.waset.org/abstracts/search?q=polyclonal%20antibodies" title=" polyclonal antibodies"> polyclonal antibodies</a>, <a href="https://publications.waset.org/abstracts/search?q=subcutaneous" title=" subcutaneous"> subcutaneous</a> </p> <a href="https://publications.waset.org/abstracts/93743/comparison-of-the-effectiveness-of-neisseria-gonorrhea-crude-protein-injections-with-intravenous-intracutaneous-and-subcutaneous" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/93743.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">160</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">38</span> The Post Thawing Quality of Boer Goat Semen after Freezing by Mr. Frosty System Using Commercial Diluter </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gatot%20Ciptadi">Gatot Ciptadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mudawamah"> Mudawamah</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20P.%20Putra"> R. P. Putra</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Wahjuningsih"> S. Wahjuningsih</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20M.%20Munazaroh"> A. M. Munazaroh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The success rate of Artificial Insemination (AI) application, particularly in the field at the farmer level is highly dependent on the quality of the sperms one post thawing. The objective of this research was to determine the effect of freezing method (-1oC/ minute) using Mr. Frosty system with commercial diluents on the post-thawing quality of Boer goat semen. Method use is experimental design with the completely randomized design (CRD) with 4 treatments of commercial diluter percentage (v/v). Freezing semen was cryopreserved in 2 main final temperatures of –45 oC (Freezer) and –196 oC (liquid nitrogen). Result showed that different commercial diluter is influenced on viability motility and abnormalities of Boer semen. Pre-freezing qualities of viability, motilities and abnormalities was 88.67+4.16 %, 66.33 +1.53 % and 4.67+ 0.57 % respectively. Meanwhile, post-thawing qualities is considered as good as standard qualities at least more than 40 % (51.0+6.5%). The percentage of commercial diluents were influenced highly significant (P<0.01).The best diluents ration is 1:4 (v/v) for both final sperms stocked. However freezing sperm conserved in -196 oC is better than –45 oC (i.e. motility 39.3.94 % vs. 51.0 + 6.5 %). It was concluded that Mr. frosty system was considered as the feasible method for freezing semen in the reason for practical purposes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sperm%20quality" title="sperm quality">sperm quality</a>, <a href="https://publications.waset.org/abstracts/search?q=goat" title=" goat"> goat</a>, <a href="https://publications.waset.org/abstracts/search?q=viability" title=" viability"> viability</a>, <a href="https://publications.waset.org/abstracts/search?q=diluteR" title=" diluteR"> diluteR</a> </p> <a href="https://publications.waset.org/abstracts/39622/the-post-thawing-quality-of-boer-goat-semen-after-freezing-by-mr-frosty-system-using-commercial-diluter" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39622.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">259</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37</span> Early Vasopressor and De-resuscitation in Steven Johnson Syndrome with Septic Shock: A Case Report</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Darma%20Putra%20Sitepu">Darma Putra Sitepu</a>, <a href="https://publications.waset.org/abstracts/search?q=Dewi%20Larasati">Dewi Larasati</a>, <a href="https://publications.waset.org/abstracts/search?q=Yohanes%20Wolter%20Hendrik%20George">Yohanes Wolter Hendrik George</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sepsis is a life-threatening medical emergency frequently observed in intensive care unit (ICU). Surviving Sepsis Campaign in 2018 has recommended the administration of early vasopressor in the first hour of sepsis or septic shock but has not yet included de-resuscitation protocol. De-resuscitation in acute management of septic shock is where patient received active removal of accumulated fluid. It has been proposed by some studies and ongoing clinical trials. Here we present a case with early vasopressor and de-resuscitation. Male, 27 years old presenting to the emergency room with shortness of breath, altered mental status, and widespread blisters on his body and lips started a few hours prior, after receiving non-steroidal anti-inflammatory drug through intravenous injection. Patient was hypotensive, tachycardic, and tachypneic at admission, diagnosed with Steven Johnson Syndrome with Septic Shock. Patient received fluid resuscitation, early vasopressor, and diuresis agent aimed to actively remove fluid after the initial phase of resuscitation. Patient was admitted to ICU and progressively recovering. At day-10, patient was stabilized and was transferred to general ward. Early vasopressor and de-resuscitation are beneficial for the patient. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sepsis" title="sepsis">sepsis</a>, <a href="https://publications.waset.org/abstracts/search?q=shock" title="shock">shock</a>, <a href="https://publications.waset.org/abstracts/search?q=de-resuscitation" title="de-resuscitation">de-resuscitation</a>, <a href="https://publications.waset.org/abstracts/search?q=vasopressor" title="vasopressor">vasopressor</a>, <a href="https://publications.waset.org/abstracts/search?q=fluid" title="fluid">fluid</a>, <a href="https://publications.waset.org/abstracts/search?q=case%20report" title="case report">case report</a> </p> <a href="https://publications.waset.org/abstracts/148514/early-vasopressor-and-de-resuscitation-in-steven-johnson-syndrome-with-septic-shock-a-case-report" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/148514.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">167</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">36</span> Preliminary Study of Fermented Pickle of Tabah Bamboo Shoot: Gigantochloa nigrociliata (Buese) Kurz</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Luh%20Putu%20T.%20Darmayanti">Luh Putu T. Darmayanti</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20A.%20Duwipayana"> A. A. Duwipayana</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Nengah%20K.%20Putra"> I. Nengah K. Putra</a>, <a href="https://publications.waset.org/abstracts/search?q=Nyoman%20S.%20Antara"> Nyoman S. Antara </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tabah Bamboo (Gigantochloa nigrociliata (Buese) Kurz) is the indigenous bamboo species which grows in District of Pupuan, Tabanan at Province of Bali. Compared to the others, this shoot has low concentration of hydrocyanide acid (HCN). However, as found for almost of bamboo shoot, its seasonal availability, perishable in nature, and short-lived. This study aimed to gather information about total of lactic acid bacteria (LAB), pH, total acidity, HCN content, detection of LAB’s type involved during fermentation, and organic acids’ profiles of fermented pickles of Tabah bamboo shoot. The pickle was made by natural fermentation with 6 % salt concentration and fermentation conducted for 13 days. The result showed during the fermentation time, in the fourth day we found LAB’s number was highest as much as 72 x 107 CFU/ml and the lowest pH was 3.09. We also found decreasing in HCN from 37.8 ppm at the beginning to 20.52 ppm at the end of fermentation process. The total number of indigenous LAB isolated from the pickle are 48 strains we found 18 out of these had rod shape. For the preliminary study, all of the LAB with rod shape were detected by PCR as member of Lactobacillus spp., in which 17 strains detected as L. plantarum. The organic acids detected during the fermentation were lactic acid with the highest concentration was 0.0546 g/100 g and small amount of acetic acid. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fermentation" title="fermentation">fermentation</a>, <a href="https://publications.waset.org/abstracts/search?q=LAB" title=" LAB"> LAB</a>, <a href="https://publications.waset.org/abstracts/search?q=pickle" title=" pickle"> pickle</a>, <a href="https://publications.waset.org/abstracts/search?q=Tabah%20Bamboo%20shoot" title=" Tabah Bamboo shoot "> Tabah Bamboo shoot </a> </p> <a href="https://publications.waset.org/abstracts/9425/preliminary-study-of-fermented-pickle-of-tabah-bamboo-shoot-gigantochloa-nigrociliata-buese-kurz" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9425.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">344</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">35</span> A Method for Identifying Unusual Transactions in E-commerce Through Extended Data Flow Conformance Checking</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Handie%20Pramana%20Putra">Handie Pramana Putra</a>, <a href="https://publications.waset.org/abstracts/search?q=Ani%20Dijah%20Rahajoe"> Ani Dijah Rahajoe</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The proliferation of smart devices and advancements in mobile communication technologies have permeated various facets of life with the widespread influence of e-commerce. Detecting abnormal transactions holds paramount significance in this realm due to the potential for substantial financial losses. Moreover, the fusion of data flow and control flow assumes a critical role in the exploration of process modeling and data analysis, contributing significantly to the accuracy and security of business processes. This paper introduces an alternative approach to identify abnormal transactions through a model that integrates both data and control flows. Referred to as the Extended Data Petri net (DPNE), our model encapsulates the entire process, encompassing user login to the e-commerce platform and concluding with the payment stage, including the mobile transaction process. We scrutinize the model's structure, formulate an algorithm for detecting anomalies in pertinent data, and elucidate the rationale and efficacy of the comprehensive system model. A case study validates the responsive performance of each system component, demonstrating the system's adeptness in evaluating every activity within mobile transactions. Ultimately, the results of anomaly detection are derived through a thorough and comprehensive analysis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=database" title="database">database</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20analysis" title=" data analysis"> data analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=DPNE" title=" DPNE"> DPNE</a>, <a href="https://publications.waset.org/abstracts/search?q=extended%20data%20flow" title=" extended data flow"> extended data flow</a>, <a href="https://publications.waset.org/abstracts/search?q=e-commerce" title=" e-commerce"> e-commerce</a> </p> <a href="https://publications.waset.org/abstracts/180125/a-method-for-identifying-unusual-transactions-in-e-commerce-through-extended-data-flow-conformance-checking" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/180125.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">56</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">34</span> Application of Enzyme-Mediated Calcite Precipitation for Surface Control of Gold Mining Tailing Waste</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yogi%20Priyo%20Pradana">Yogi Priyo Pradana</a>, <a href="https://publications.waset.org/abstracts/search?q=Heriansyah%20Putra"> Heriansyah Putra</a>, <a href="https://publications.waset.org/abstracts/search?q=Regina%20Aprilia%20Zulfikar"> Regina Aprilia Zulfikar</a>, <a href="https://publications.waset.org/abstracts/search?q=Maulana%20Rafiq%20Ramadhan"> Maulana Rafiq Ramadhan</a>, <a href="https://publications.waset.org/abstracts/search?q=Devyan%20Meisnnehr"> Devyan Meisnnehr</a>, <a href="https://publications.waset.org/abstracts/search?q=Zalfa%20Maulida%20Insani"> Zalfa Maulida Insani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper studied the effects and mechanisms of fine-grained tailing by Enzyme-Mediated Calcite Precipitation (EMCP). Grouting solution used consists of reagents (CaCl₂ and (CO(NH₂)₂) and urease enzymes which react to produce CaCO₃. In sample preparation, the test tube is used to investigate the precipitation rate of calcite. The grouting solution added is 75 mL for one mold sample. The solution was poured into a mold sample up to as high as 5 mm from the top surface of the tailing to ensure the entire surface is submerged. The sample is left open in a cylinder for up to 3 days for curing. The direct mixing method is conducted so that the cementation process occurs by evenly distributed. The relationship between the results of the UCS test and the calcite precipitation rate likely indicates that the amount of calcite deposited in treated tailing could control the strength of the tailing. The sample results are analyzed using atomic absorption spectroscopy (AAS) to evaluate metal and metalloid content. Calcium carbonate deposited in the tailing is expected to strengthen the bond between tailing granules, which are easily slipped on the banks of the tailing dam. The EMCP method is expected to strengthen tailing in erosion-control surfaces. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tailing" title="tailing">tailing</a>, <a href="https://publications.waset.org/abstracts/search?q=EMCP" title=" EMCP"> EMCP</a>, <a href="https://publications.waset.org/abstracts/search?q=UCS" title=" UCS"> UCS</a>, <a href="https://publications.waset.org/abstracts/search?q=AAS" title=" AAS"> AAS</a> </p> <a href="https://publications.waset.org/abstracts/114543/application-of-enzyme-mediated-calcite-precipitation-for-surface-control-of-gold-mining-tailing-waste" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/114543.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">138</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">33</span> Soil Compaction by a Forwarder in Timber Harvesting</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Juang%20R.%20Matangaran">Juang R. Matangaran</a>, <a href="https://publications.waset.org/abstracts/search?q=Erianto%20I.%20Putra"> Erianto I. Putra</a>, <a href="https://publications.waset.org/abstracts/search?q=Iis%20Diatin"> Iis Diatin</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Mujahid"> Muhammad Mujahid</a>, <a href="https://publications.waset.org/abstracts/search?q=Qi%20Adlan"> Qi Adlan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Industrial plantation forest is the producer of logs in Indonesia. Several companies of industrial plantation forest have been successfully planted with fast-growing species, and it entered their annual harvesting period. Heavy machines such as forwarders are used in timber harvesting to extract logs from stump to landing site. The negative impact of using such machines are loss of topsoil and soil compaction. Compacted soil is considered unfavorable for plant growth. The research objectives were to analyze the soil bulk density, rut, and cone index of the soil caused by a forwarder passes, to analyze the relation between several times of forwarder passes to the increase of soil bulk density. A Valmet forwarder was used in this research. Soil bulk density at soil surface and cone index from the soil surface to the 50 cm depth of soil were measured at the harvested area. The result showed that soil bulk density increase with the increase of the Valmet forwarder passes. Maximum soil bulk density occurred after 5 times forwarder Valmet passed. The cone index tended to increase from the surface until 50 cm depth of soil. Rut formed and high soil bulk density indicated the soil compaction occurred by the forwarder operation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bulk%20density" title="bulk density">bulk density</a>, <a href="https://publications.waset.org/abstracts/search?q=forwarder%20Valmet" title=" forwarder Valmet"> forwarder Valmet</a>, <a href="https://publications.waset.org/abstracts/search?q=plantation%20forest" title=" plantation forest"> plantation forest</a>, <a href="https://publications.waset.org/abstracts/search?q=soil%20compaction" title=" soil compaction"> soil compaction</a>, <a href="https://publications.waset.org/abstracts/search?q=timber%20harvesting" title=" timber harvesting"> timber harvesting</a> </p> <a href="https://publications.waset.org/abstracts/111245/soil-compaction-by-a-forwarder-in-timber-harvesting" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/111245.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">145</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Hengki%20Eko%20Putra&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Hengki%20Eko%20Putra&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Hengki%20Eko%20Putra&page=2" rel="next">&rsaquo;</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> 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