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concentration</title> <meta name="description" content="Search results for: CO₂ concentration"> <meta name="keywords" content="CO₂ concentration"> <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="CO₂ concentration"> <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> 4990</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: CO₂ concentration</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">4990</span> Comparative Studies on the Concentration of Some Heavy Metal in Urban Particulate Matter, Bangkok, Thailand</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sivapan%20Choo-In">Sivapan Choo-In</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main objective of this study was investigate particulate matter concentration on main and secondary roadside in urban area. And studied on the concentration of some heavy metal including lead (Pb), zinc (Zn), copper (Cu) and cadmium (Cd) in particulate matter in Bangkok area. The averaged particle concentration for main roadside are higher than secondary roadside. The particulate matter less than 10 micron concentration contribute the majority of the Total Suspended Particulate for main road and zinc concentration were higher than copper and lead for both site. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=air%20pollution" title="air pollution">air pollution</a>, <a href="https://publications.waset.org/abstracts/search?q=air%20quality" title=" air quality"> air quality</a>, <a href="https://publications.waset.org/abstracts/search?q=polution" title=" polution"> polution</a>, <a href="https://publications.waset.org/abstracts/search?q=monitoring" title=" monitoring"> monitoring</a> </p> <a href="https://publications.waset.org/abstracts/3877/comparative-studies-on-the-concentration-of-some-heavy-metal-in-urban-particulate-matter-bangkok-thailand" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3877.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">324</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">4989</span> Framework for Assessment of Non-financial Concentration Risk</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anchal%20Gupta">Anchal Gupta</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Amid the escalating digitalization and deployment of cross-border technological solutions, a significant portion of the industry and regulatory bodies have begun to pose queries concerning the formulation, computation, and contemplation of concentration risk. In the financial sector, well-established parameters exist for gauging the concentration of a portfolio and similar elements. However, a unified framework appears to be absent, which could guide industry and regulators pertaining to non-financial concentration risk. This paper introduces a framework, constructed on the foundation of multiple regulations where regulators are advocating for licensed corporations to evaluate their concentration risk. The lacuna lies in the fact that, while regulators delineate what constitutes concentration risk, unlike other domains, no guidelines are provided that could assist firms. This frequently results in ambiguity and individual corporate interpretation, which, from a risk management standpoint, is less than ideal. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=concentration%20risk" title="concentration risk">concentration risk</a>, <a href="https://publications.waset.org/abstracts/search?q=non-financial%20risk" title=" non-financial risk"> non-financial risk</a>, <a href="https://publications.waset.org/abstracts/search?q=government%20regulation" title=" government regulation"> government regulation</a>, <a href="https://publications.waset.org/abstracts/search?q=financial%20regulation" title=" financial regulation"> financial regulation</a>, <a href="https://publications.waset.org/abstracts/search?q=non-market%20risk" title=" non-market risk"> non-market risk</a>, <a href="https://publications.waset.org/abstracts/search?q=MAS" title=" MAS"> MAS</a>, <a href="https://publications.waset.org/abstracts/search?q=DORA" title=" DORA"> DORA</a>, <a href="https://publications.waset.org/abstracts/search?q=EDSP" title=" EDSP"> EDSP</a>, <a href="https://publications.waset.org/abstracts/search?q=SFC" title=" SFC"> SFC</a> </p> <a href="https://publications.waset.org/abstracts/186622/framework-for-assessment-of-non-financial-concentration-risk" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186622.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">41</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">4988</span> Growth Performance and Critical Supersaturation of Heterogeneous Condensation for High Concentration of Insoluble Sub-Micron Particles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jie%20Yin">Jie Yin</a>, <a href="https://publications.waset.org/abstracts/search?q=Jun%20Zhang"> Jun Zhang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Measuring the growth performance and critical supersaturation of particle group have a high reference value for constructing a supersaturated water vapor environment that can improve the removal efficiency of the high-concentration particle group. The critical supersaturation and the variation of the growth performance with supersaturation for high-concentration particles were measured by a flow cloud chamber. Findings suggest that the influence of particle concentration on the growth performance will reduce with the increase of supersaturation. Reducing residence time and increasing particle concentration have similar effects on the growth performance of the high-concentration particle group. Increasing particle concentration and shortening residence time will increase the critical supersaturation of the particle group. The critical supersaturation required to activate a high-concentration particle group is lower than that of the single-particle when the minimum particle size in the particle group is the same as that of a single particle. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sub-micron%20particles" title="sub-micron particles">sub-micron particles</a>, <a href="https://publications.waset.org/abstracts/search?q=heterogeneous%20condensation" title=" heterogeneous condensation"> heterogeneous condensation</a>, <a href="https://publications.waset.org/abstracts/search?q=critical%20supersaturation" title=" critical supersaturation"> critical supersaturation</a>, <a href="https://publications.waset.org/abstracts/search?q=nucleation" title=" nucleation"> nucleation</a> </p> <a href="https://publications.waset.org/abstracts/147194/growth-performance-and-critical-supersaturation-of-heterogeneous-condensation-for-high-concentration-of-insoluble-sub-micron-particles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/147194.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">157</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">4987</span> Determination of Concentrated State Using Multiple EEG Channels</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tae%20Jin%20Choi">Tae Jin Choi</a>, <a href="https://publications.waset.org/abstracts/search?q=Jong%20Ok%20Kim"> Jong Ok Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Sang%20Min%20Jin"> Sang Min Jin</a>, <a href="https://publications.waset.org/abstracts/search?q=Gilwon%20Yoon"> Gilwon Yoon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Analysis of EEG brainwave provides information on mental or emotional states. One of the particular states that can have various applications in human machine interface (HMI) is concentration. 8-channel EEG signals were measured and analyzed. The concentration index was compared during resting and concentrating periods. Among eight channels, locations the frontal lobe (Fp1 and Fp2) showed a clear increase of the concentration index during concentration regardless of subjects. The rest six channels produced conflicting observations depending on subjects. At this time, it is not clear whether individual difference or how to concentrate made these results for the rest six channels. Nevertheless, it is expected that Fp1 and Fp2 are promising locations for extracting control signal for HMI applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=concentration" title="concentration">concentration</a>, <a href="https://publications.waset.org/abstracts/search?q=EEG" title=" EEG"> EEG</a>, <a href="https://publications.waset.org/abstracts/search?q=human%20machine%20interface" title=" human machine interface"> human machine interface</a>, <a href="https://publications.waset.org/abstracts/search?q=biophysical" title=" biophysical"> biophysical</a> </p> <a href="https://publications.waset.org/abstracts/13664/determination-of-concentrated-state-using-multiple-eeg-channels" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13664.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">483</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">4986</span> Stress Concentration around Countersunk Hole in Isotropic Plate under Transverse Loading</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Parveen%20K.%20Saini">Parveen K. Saini</a>, <a href="https://publications.waset.org/abstracts/search?q=Tarun%20Agarwal"> Tarun Agarwal </a> </p> <p class="card-text"><strong>Abstract:</strong></p> An investigation into the effect of countersunk depth, plate thickness, countersunk angle and plate width on the stress concentration around countersunk hole is carried out with the help of finite element analysis. The variation of stress concentration with respect to these parameters is studied for three types of loading viz. uniformly distributed load, uniformly varying load and functionally distributed load. The results of the finite element analysis are interpreted and some conclusions are drawn. The distribution of stress concentration around countersunk hole in isotropic plates simply supported at all the edges is found similar and is independent of loading. The maximum stress concentration also occurs at a particular point irrespective of the loading conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=stress%20concentration%20factor" title="stress concentration factor">stress concentration factor</a>, <a href="https://publications.waset.org/abstracts/search?q=countersunk%20hole" title=" countersunk hole"> countersunk hole</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element" title=" finite element"> finite element</a>, <a href="https://publications.waset.org/abstracts/search?q=ANSYS" title=" ANSYS"> ANSYS</a> </p> <a href="https://publications.waset.org/abstracts/15005/stress-concentration-around-countersunk-hole-in-isotropic-plate-under-transverse-loading" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15005.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">448</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">4985</span> Synergistic Impacts and Optimization of Gas Flow Rate, Concentration of CO2, and Light Intensity on CO2 Biofixation in Wastewater Medium by Chlorella vulgaris</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Arkoazi">Ahmed Arkoazi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hussein%20Znad"> Hussein Znad</a>, <a href="https://publications.waset.org/abstracts/search?q=Ranjeet%20Utikar"> Ranjeet Utikar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The synergistic impact and optimization of gas flow rate, concentration of CO<sub>2</sub>, and light intensity on CO<sub>2</sub> biofixation rate were investigated using wastewater as a medium to cultivate <em>Chlorella vulgaris</em> under different conditions (gas flow rate 1-8 L/min), CO<sub>2</sub> concentration (0.03-7%), and light intensity (150-400 µmol/m<sup>2</sup>.s)). Response Surface Methodology and Box-Behnken experimental Design were applied to find optimum values for gas flow rate, CO<sub>2</sub> concentration, and light intensity. The optimum values of the three independent variables (gas flow rate, concentration of CO<sub>2</sub>, and light intensity) and desirability were 7.5 L/min, 3.5%, and 400 µmol/m<sup>2</sup>.s, and 0.904, respectively. The highest amount of biomass produced and CO<sub>2</sub> biofixation rate at optimum conditions were 5.7 g/L, 1.23 gL<sup>-1</sup>d<sup>-1</sup>, respectively. The synergistic effect between gas flow rate and concentration of CO<sub>2</sub>, and between gas flow rate and light intensity was significant on the three responses, while the effect between CO<sub>2</sub> concentration and light intensity was less significant on CO<sub>2</sub> biofixation rate. The results of this study could be highly helpful when using microalgae for CO<sub>2</sub> biofixation in wastewater treatment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bubble%20column%20reactor" title="bubble column reactor">bubble column reactor</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20holdup" title=" gas holdup"> gas holdup</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrodynamics" title=" hydrodynamics"> hydrodynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=sparger" title=" sparger"> sparger</a> </p> <a href="https://publications.waset.org/abstracts/112244/synergistic-impacts-and-optimization-of-gas-flow-rate-concentration-of-co2-and-light-intensity-on-co2-biofixation-in-wastewater-medium-by-chlorella-vulgaris" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/112244.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">144</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">4984</span> Evaluation of Fluoride Contents of Kirkuk City's Drinking Water and Its Source: Lesser Zab River and Its Effect on Human Health</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abbas%20R.%20Ali">Abbas R. Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=Safa%20H.%20Abdulrahman"> Safa H. Abdulrahman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, forty samples had been collected from water of Lesser Zab River and drinking water to determine fluoride concentration and show the impact of fluoride on general health of society of Kirkuk city. Estimation of fluoride concentration and determination of its proportion in water samples were performed attentively using a fluoride ion selective electrode. The fluoride concentrations in the Lesser Zab River samples were between 0.0265 ppm and 0.0863 ppm with an average of 0.0451 ppm, whereas the average fluoride concentration in drinking water samples was 0.102 ppm and ranged from 0.010 to 0.289 ppm. A comparison between results obtained with World Health Organization (WHO) show a low concentration of fluoride in the samples of the study. Thus, for health concerns we should increase the concentration of this ion in water of Kirkuk city at least to about (1.0 ppm) and this will take place after fluorination process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fluoride%20concentration" title="fluoride concentration">fluoride concentration</a>, <a href="https://publications.waset.org/abstracts/search?q=lesser%20zab%20river" title=" lesser zab river"> lesser zab river</a>, <a href="https://publications.waset.org/abstracts/search?q=drinking%20water" title=" drinking water"> drinking water</a>, <a href="https://publications.waset.org/abstracts/search?q=health%20society" title=" health society"> health society</a>, <a href="https://publications.waset.org/abstracts/search?q=Kirkuk%20city" title=" Kirkuk city"> Kirkuk city</a> </p> <a href="https://publications.waset.org/abstracts/51317/evaluation-of-fluoride-contents-of-kirkuk-citys-drinking-water-and-its-source-lesser-zab-river-and-its-effect-on-human-health" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/51317.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">371</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">4983</span> An Experimental Study on Intellectual Concentration Influenced by Indoor Airflow</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kyoko%20Ito">Kyoko Ito</a>, <a href="https://publications.waset.org/abstracts/search?q=Shinya%20Furuta"> Shinya Furuta</a>, <a href="https://publications.waset.org/abstracts/search?q=Daisuke%20Kamihigashi"> Daisuke Kamihigashi</a>, <a href="https://publications.waset.org/abstracts/search?q=Kimi%20Ueda"> Kimi Ueda</a>, <a href="https://publications.waset.org/abstracts/search?q=Hirotake%20Ishii"> Hirotake Ishii</a>, <a href="https://publications.waset.org/abstracts/search?q=Hiroshi%20Shimoda"> Hiroshi Shimoda</a>, <a href="https://publications.waset.org/abstracts/search?q=Fumiaki%20Obayashi"> Fumiaki Obayashi</a>, <a href="https://publications.waset.org/abstracts/search?q=Kazuhiro%20Taniguchi"> Kazuhiro Taniguchi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to improve intellectual concentration, few studies have verified the effect of indoor airflow among the thermal environment conditions, and the differences of the season in effects have not been studied. In this study, in order to investigate the influence of the airflow in winter on the intellectual concentration, an evaluation experiment was conducted. In the previous study, an effective airflow in summer was proposed and the improvement of intellectual concentration by evaluation experiment was confirmed. Therefore, an airflow profile in winter was proposed with reference to the airflow profile in summer. The airflows are a combination of a simulative airflow and mild airflow. An experiment has been conducted to investigate the influence of a room airflow in winter on intellectual concentration. As a result of comparison with no airflow condition, no significant difference was found. Based on the results, it is a future task to ask preliminary preference in advance and to establish a mechanism that can provide controllable airflow for each individual, taking into account the preference for airflow to be different for each individual. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=concentration%20time%20ratio" title="concentration time ratio">concentration time ratio</a>, <a href="https://publications.waset.org/abstracts/search?q=CTR" title=" CTR"> CTR</a>, <a href="https://publications.waset.org/abstracts/search?q=indoor%20airflow" title=" indoor airflow"> indoor airflow</a>, <a href="https://publications.waset.org/abstracts/search?q=intellectual%20concentration" title=" intellectual concentration"> intellectual concentration</a>, <a href="https://publications.waset.org/abstracts/search?q=workplace%20environment" title=" workplace environment"> workplace environment</a> </p> <a href="https://publications.waset.org/abstracts/97995/an-experimental-study-on-intellectual-concentration-influenced-by-indoor-airflow" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/97995.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">235</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">4982</span> Air Pollution from Volatile Metals and Acid Gases</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=F.%20Ait%20Ahsene-Aissat">F. Ait Ahsene-Aissat</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20Kerchiche"> Y. Kerchiche</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20Moussaoui"> Y. Moussaoui</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Hachemi"> M. Hachemi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Environmental pollution is at the heart of the debate today, the pollutants released into the atmosphere must be measured and reduced to the norms of international releases. The industries pollution is caused by emissions of SO₂, CO and heavy metals in volatile form that must be quantified and monitored. This study presents a qualitative and quantitative analysis However, the collection of volatile heavy metals were performed by active sampling using an isokinetic. SO₂ gas for the maximum is reached for a value of 343 mg / m³, the SO₂ concentration far exceeds the standard releases SO₂ followed by incineration industries in Algeria. the concentration of Cr exceeds 8 times the standard, the Pb concentration in the excess of 6 times, the concentration of Fe has reached very high values exceeding the standard 30 times, the Zn concentration in the excess of 5 times, and the Ni the excess of 4 times and finally that of Cu is almost double of the standard. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=SO%E2%82%82" title="SO₂">SO₂</a>, <a href="https://publications.waset.org/abstracts/search?q=CO" title=" CO"> CO</a>, <a href="https://publications.waset.org/abstracts/search?q=volatiles%20metals" title=" volatiles metals"> volatiles metals</a>, <a href="https://publications.waset.org/abstracts/search?q=active%20sampling%20isokinetic" title=" active sampling isokinetic"> active sampling isokinetic</a> </p> <a href="https://publications.waset.org/abstracts/47233/air-pollution-from-volatile-metals-and-acid-gases" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47233.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">297</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">4981</span> Volarization of Sugarcane Bagasse: The Effect of Alkali Concentration, Soaking Time and Temperature on Fibre Yield</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tamrat%20Tesfaye">Tamrat Tesfaye</a>, <a href="https://publications.waset.org/abstracts/search?q=Tilahun%20Seyoum"> Tilahun Seyoum</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Shabaridharan"> K. Shabaridharan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this paper was to determine the effect of NaOH concentration, soaking time, soaking temperature and their interaction on percentage yield of fibre extract using Response Surface Methodology (RSM). A Box-Behnken design was employed to optimize the extraction process of cellulosic fibre from sugar cane by-product bagasse using low alkaline extraction technique. The quadratic model with the optimal technological conditions resulted in a maximum fibre yield of 56.80% at 0.55N NaOH concentration, 4 h steeping time and 60ᵒC soaking temperature. Among the independent variables concentration was found to be the most significant (P < 0.005) variable and the interaction effect of concentration and soaking time leads to securing the optimized processes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sugarcane%20bagasse" title="sugarcane bagasse">sugarcane bagasse</a>, <a href="https://publications.waset.org/abstracts/search?q=low%20alkaline" title=" low alkaline"> low alkaline</a>, <a href="https://publications.waset.org/abstracts/search?q=Box-Behnken" title=" Box-Behnken"> Box-Behnken</a>, <a href="https://publications.waset.org/abstracts/search?q=fibre" title=" fibre "> fibre </a> </p> <a href="https://publications.waset.org/abstracts/45876/volarization-of-sugarcane-bagasse-the-effect-of-alkali-concentration-soaking-time-and-temperature-on-fibre-yield" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45876.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">246</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">4980</span> Microstracture of Iranian Processed Cheese</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20Ezzati">R. Ezzati</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Dezyani"> M. Dezyani</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Mirzaei"> H. Mirzaei </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The effects of the concentration of trisodium citrate (TSC) emulsifying salt (0.25 to 2.75%) and holding time (0 to 20 min) on the textural, rheological, and microstructural properties of Iranian Processed Cheese Cheddar cheese were studied using a central composite rotatable design. The loss tangent parameter (from small amplitude oscillatory rheology), extent of flow, and melt area (from the Schreiber test) all indicated that the meltability of process cheese decreased with increased concentration of TSC and that holding time led to a slight reduction in meltability. Hardness increased as the concentration of TSC increased. Fluorescence micrographs indicated that the size of fat droplets decreased with an increase in the concentration of TSC and with longer holding times. Acid-base titration curves indicated that the buffering peak at pH 4.8, which is due to residual colloidal calcium phosphate, decreased as the concentration of TSC increased. The soluble phosphate content increased as concentration of TSC increased. However, the insoluble Ca decreased with increasing concentration of TSC. The results of this study suggest that TSC chelated Ca from colloidal calcium phosphate and dispersed casein; the citrate-Ca complex remained trapped within the process cheese matrix. Increasing the concentration of TSC helped to improve fat emulsification and casein dispersion during cooking, both of which probably helped to reinforce the structure of process cheese. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Iranian%20processed%20cheese" title="Iranian processed cheese">Iranian processed cheese</a>, <a href="https://publications.waset.org/abstracts/search?q=cheddar%20cheese" title=" cheddar cheese"> cheddar cheese</a>, <a href="https://publications.waset.org/abstracts/search?q=emulsifying%20salt" title=" emulsifying salt"> emulsifying salt</a>, <a href="https://publications.waset.org/abstracts/search?q=rheology" title=" rheology"> rheology</a> </p> <a href="https://publications.waset.org/abstracts/26295/microstracture-of-iranian-processed-cheese" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26295.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">444</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">4979</span> Analysis of Factors Influencing the Response Time of an Aspirating Gaseous Agent Concentration Detection Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yu%20Guan">Yu Guan</a>, <a href="https://publications.waset.org/abstracts/search?q=Song%20Lu"> Song Lu</a>, <a href="https://publications.waset.org/abstracts/search?q=Wei%20Yuan"> Wei Yuan</a>, <a href="https://publications.waset.org/abstracts/search?q=Heping%20Zhang"> Heping Zhang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Gas fire extinguishing system is widely used due to its cleanliness and efficiency, and since its spray will be affected by many factors such as convection and obstacles in jetting region, so in order to evaluate its effectiveness, detecting concentration distribution in the jetting area is indispensable, which is commonly achieved by aspirating concentration detection technique. During the concentration measurement, the response time of detector is a very important parameter, especially for those fire-extinguishing systems with rapid gas dispersion. Long response time will not only underestimate its concentration but also prolong the change of concentration with time. Therefore it is necessary to analyze the factors influencing the response time. In the paper, an aspirating concentration detection method was introduced, which is achieved by using a small critical nozzle and a laminar flowmeter, and because of the response time is mainly related to the gas transport process from sampling site to the sensor, the effects of exhaust pipe size, gas flow rate, and gas concentration on its response time were analyzed. During the research, Bromotrifluoromethane (CBrF₃) was used. The effect of the sampling tube was investigated with different length of 1, 2, 3, 4 and 5 m (5mm in pipe diameter) and different pipe diameter of 3, 4, 5, 6 and 8 mm (3m in length). The effect of gas flow rate was analyzed by changing the throat diameter of the critical nozzle with 0.5, 0.682, 0.75, 0.8, 0.84 and 0.88 mm. The effect of gas concentration on response time was studied with the concentration range of 0-25%. The result showed that the response time increased with the increase of both the length and diameter of the sampling pipe, and the effect of length on response time was linear, but for the effect of diameter, it was exponential. It was also found that as the throat diameter of critical nozzle increased, the response time reduced a lot, in other words, gas flow rate has a great influence on response time. For the effect of gas concentration, the response time increased with the increase of the CBrF₃ concentration, and the slope of the curve was reduced. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aspirating%20concentration%20detection" title="aspirating concentration detection">aspirating concentration detection</a>, <a href="https://publications.waset.org/abstracts/search?q=fire%20extinguishing" title=" fire extinguishing"> fire extinguishing</a>, <a href="https://publications.waset.org/abstracts/search?q=gaseous%20agent" title=" gaseous agent"> gaseous agent</a>, <a href="https://publications.waset.org/abstracts/search?q=response%20time" title=" response time"> response time</a> </p> <a href="https://publications.waset.org/abstracts/74810/analysis-of-factors-influencing-the-response-time-of-an-aspirating-gaseous-agent-concentration-detection-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74810.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">270</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">4978</span> Treatment of Oil Recovery Water Using Direct and Indirect Electrochemical Oxidation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tareg%20Omar%20Mansour">Tareg Omar Mansour</a>, <a href="https://publications.waset.org/abstracts/search?q=Khaled%20Omar%20Elhaji"> Khaled Omar Elhaji </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Model solutions of pentanol in the salt water of various concentrations were subjected to electrochemical oxidation using a dimensionally stable anode (DSA) and a platinised titanium cathode. The removal of pentanol was analysed over time using gas chromatography (GC) and by monitoring the total organic carbon (TOC) concentration of the reaction mixture. It was found that the removal of pentanol occurred more efficiently at higher salinities and higher applied electrical current values. When using a salt concentration of 20,000 ppm and an applied current of 100 mA there was a decrease in concentration of pentanol of 15 %. When the salt concentration and applied current were increased to 58,000 ppm and 500 mA respectively, the decrease in concentration was improved to 64 %. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dimensionally%20stable%20anode%20%28DSA%29" title="dimensionally stable anode (DSA)">dimensionally stable anode (DSA)</a>, <a href="https://publications.waset.org/abstracts/search?q=total%20organic%20hydrocarbon%20%28TOC%29" title=" total organic hydrocarbon (TOC)"> total organic hydrocarbon (TOC)</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20chromatography%20mass%20spectrometry%20%28GCMS%29" title=" gas chromatography mass spectrometry (GCMS)"> gas chromatography mass spectrometry (GCMS)</a>, <a href="https://publications.waset.org/abstracts/search?q=electrochemical%20oxidation" title=" electrochemical oxidation"> electrochemical oxidation</a> </p> <a href="https://publications.waset.org/abstracts/11461/treatment-of-oil-recovery-water-using-direct-and-indirect-electrochemical-oxidation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11461.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">384</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">4977</span> Integrated Thermal Control to Improve Workers' Intellectual Concentration in Office Environment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kimi%20Ueda">Kimi Ueda</a>, <a href="https://publications.waset.org/abstracts/search?q=Kosuke%20Sugita"> Kosuke Sugita</a>, <a href="https://publications.waset.org/abstracts/search?q=Soma%20Kawamoto"> Soma Kawamoto</a>, <a href="https://publications.waset.org/abstracts/search?q=Hiroshi%20Shimoda"> Hiroshi Shimoda</a>, <a href="https://publications.waset.org/abstracts/search?q=Hirotake%20Ishii"> Hirotake Ishii</a>, <a href="https://publications.waset.org/abstracts/search?q=Fumiaki%20Obayashi"> Fumiaki Obayashi</a>, <a href="https://publications.waset.org/abstracts/search?q=Kazuhiro%20Taniguchi"> Kazuhiro Taniguchi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ayaka%20Suzuki"> Ayaka Suzuki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The authors have focused on the thermal difference between office rooms and break rooms, and proposed an integrated thermal control method to improve workers’ intellectual concentration. First, a trial experiment was conducted to verify the effect of temperature difference on workers’ intellectual concentration with using two experimental rooms; a thermally neutral break room and a cooler office room. As the result of the experiment, it was found that the thermal difference had a significant effect on improving their intellectual concentration. Workers, however, often take a short break at their desks without moving to a break room, so that the thermal difference cannot be given to them. So utilization of airflow was proposed as an integrated thermal control method instead of the temperature difference to realize the similar effect. Concretely, they are exposed to airflow when working in order to reduce their effective temperature while it is weakened when taking a break. Another experiment was conducted to confirm the effect of the airflow control on their intellectual concentration. As the result of concentration index and questionnaire survey, their intellectual concentration was significantly improved in the integrated thermal controlled environment. It was also found that most of them felt more comfortable and had higher motivation and higher degree of concentration in the environment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=airflow" title="airflow">airflow</a>, <a href="https://publications.waset.org/abstracts/search?q=evaluation%20experiment" title=" evaluation experiment"> evaluation experiment</a>, <a href="https://publications.waset.org/abstracts/search?q=intellectual%20concentration" title=" intellectual concentration"> intellectual concentration</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20difference" title=" thermal difference"> thermal difference</a> </p> <a href="https://publications.waset.org/abstracts/93543/integrated-thermal-control-to-improve-workers-intellectual-concentration-in-office-environment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/93543.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">294</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">4976</span> Oxygenation in Turbulent Flows over Block Ramps</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Thendiyath%20Roshni">Thendiyath Roshni</a>, <a href="https://publications.waset.org/abstracts/search?q=Stefano%20Pagliara"> Stefano Pagliara</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Block ramps (BR) or rock chutes are eco-friendly natural river restoration structures. BR are made of ramp of rocks and flows over BR develop turbulence and helps in the entrainment of ambient air. These act as natural aerators in river flow and therefore leads to oxygenation of water. As many of the hydraulic structures in rivers, hinders the natural path for aquatic habitat. However, flows over BR ascertains a natural rocky flow and ensures safe and natural movement for aquatic habitat. Hence, BR is considered as a better alternative for drop structures. As water quality is concerned, turbulent and aerated flows over BR or macro-roughness conditions improves aeration and thereby oxygenation. Hence, the objective of this paper is to study the oxygenation in the turbulent flows over BR. Experimental data were taken for a slope (S) of 27.5% for three discharges (Q = 9, 15 and 21 lps) conditions. Air concentration were measured with the help of air concentration probe for three different discharges in the uniform flow region. Oxygen concentration is deduced from the air concentration as ambient air is entrained in the flows over BR. Air concentration profiles and oxygen profiles are plotted in the uniform flow region for three discharges and found that air concentration and oxygen concentration does not show any remarkable variation in properties in the longitudinal profile in uniform flow region. An empirical relation is developed for finding the average oxygen concentration (Oₘ) for S = 27.5% in the uniform flow region for 9 < Q < 21 lps. The results show that as the discharge increases over BR, there is a reduction of oxygen concentration in the uniform flow region. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aeration" title="aeration">aeration</a>, <a href="https://publications.waset.org/abstracts/search?q=block%20ramps" title=" block ramps"> block ramps</a>, <a href="https://publications.waset.org/abstracts/search?q=oxygenation" title=" oxygenation"> oxygenation</a>, <a href="https://publications.waset.org/abstracts/search?q=turbulent%20flows" title=" turbulent flows"> turbulent flows</a> </p> <a href="https://publications.waset.org/abstracts/98618/oxygenation-in-turbulent-flows-over-block-ramps" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/98618.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">174</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">4975</span> Analysis and Measurement on Indoor Environment of University Dormitories</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Xuechen%20Gui">Xuechen Gui</a>, <a href="https://publications.waset.org/abstracts/search?q=Senmiao%20Li"> Senmiao Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Qi%20Kan"> Qi Kan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Dormitory is a place for college students to study and live their daily life. The indoor environment quality of the dormitory is closely related to the physical health, mood status and work efficiency of the dormitory students. In this paper, the temperature, humidity and carbon dioxide concentration of the dormitory in Zijingang campus of Zhejiang University have been tested for three days. The experimental results show that the concentration of carbon dioxide is related to the size of the window opens and the number of dormitory staff, and presents a high concentration of carbon dioxide at nighttime while a low concentration at daytime. In terms of temperature and humidity, there is no significant difference between different orientation and time and presents a small humidity at daytime while a high humidity at nighttime. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dormitory" title="dormitory">dormitory</a>, <a href="https://publications.waset.org/abstracts/search?q=indoor%20environment" title=" indoor environment"> indoor environment</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature" title=" temperature"> temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=relative%20humidity" title=" relative humidity"> relative humidity</a>, <a href="https://publications.waset.org/abstracts/search?q=carbon%20dioxide%20concentration" title=" carbon dioxide concentration"> carbon dioxide concentration</a> </p> <a href="https://publications.waset.org/abstracts/92273/analysis-and-measurement-on-indoor-environment-of-university-dormitories" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/92273.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">176</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">4974</span> Optical Characterization and Surface Morphology of SnO2 Thin Films Prepared by Spin Coating Technique</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20O.%20Ajayi">J. O. Ajayi</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20S.%20Oluyamo"> S. S. Oluyamo</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20B.%20Agunbiade"> D. B. Agunbiade</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, tin oxide thin films (SnO2) were prepared using the spin coating technique. The effects of precursor concentration on the thin film properties were investigated. Tin oxide was synthesized from anhydrous Tin (II) Chloride (SnCl2) dispersed in Methanol and Acetic acid. The metallic oxide (SnO2) films deposited were characterized using the UV Spectrophotometer and the Scanning Electron Microscope (SEM). From the absorption spectra, absorption increases with decrease in precursor concentration. Absorbance in the VIS region is lower than 0 % at higher concentration. The optical transmission spectrum shows that transmission increases as the concentration of precursor decreases and the maximum transmission in visible region is about 90% for films prepared with 0.2 M. Also, there is increase in the reflectance of thin films as concentration of precursor increases. The films have high transparency (more than 85%) and low reflectance (less than 40%) in the VIS region. Investigation showed that the direct band gap value increased from 3.79eV, to 3.82eV as the precursor concentration decreased from 0.6 M to 0.2 M. Average direct bandgap energy for all the tin oxide films was estimated to be 3.80eV. The effect of precursor concentration was directly observed in crystal outgrowth and surface particle densification. They were found to increase proportionately with higher concentration. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anhydrous%20TIN%20%28II%29%20chloride" title="anhydrous TIN (II) chloride">anhydrous TIN (II) chloride</a>, <a href="https://publications.waset.org/abstracts/search?q=densification" title=" densification"> densification</a>, <a href="https://publications.waset.org/abstracts/search?q=NIS-%20VIS%20region" title=" NIS- VIS region"> NIS- VIS region</a>, <a href="https://publications.waset.org/abstracts/search?q=spin%20coating%20technique" title=" spin coating technique"> spin coating technique</a> </p> <a href="https://publications.waset.org/abstracts/31411/optical-characterization-and-surface-morphology-of-sno2-thin-films-prepared-by-spin-coating-technique" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31411.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">262</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">4973</span> Experimental Investigation and Optimization of Nanoparticle Mass Concentration and Heat Input of Loop Heat Pipe</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=P.%20Gunnasegaran">P. Gunnasegaran</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Z.%20Abdullah"> M. Z. Abdullah</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Z.%20Yusoff"> M. Z. Yusoff</a>, <a href="https://publications.waset.org/abstracts/search?q=Nur%20Irmawati"> Nur Irmawati</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study presents experimental and optimization of nanoparticle mass concentration and heat input based on the total thermal resistance (Rth) of loop heat pipe (LHP), employed for PC-CPU cooling. In this study, silica nanoparticles (SiO2) in water with particle mass concentration ranged from 0% (pure water) to 1% is considered as the working fluid within the LHP. The experimental design and optimization is accomplished by the design of the experimental tool, Response Surface Methodology (RSM). The results show that the nanoparticle mass concentration and the heat input have a significant effect on the Rth of LHP. For a given heat input, the Rth is found to decrease with the increase of the nanoparticle mass concentration up to 0.5% and increased thereafter. It is also found that the Rth is decreased when the heat input is increased from 20W to 60W. The results are optimized with the objective of minimizing the Rt, using Design-Expert software, and the optimized nanoparticle mass concentration and heat input are 0.48% and 59.97W, respectively, the minimum thermal resistance being 2.66(ºC/W). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=loop%20heat%20pipe" title="loop heat pipe">loop heat pipe</a>, <a href="https://publications.waset.org/abstracts/search?q=nanofluid" title=" nanofluid"> nanofluid</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20resistance" title=" thermal resistance"> thermal resistance</a> </p> <a href="https://publications.waset.org/abstracts/29666/experimental-investigation-and-optimization-of-nanoparticle-mass-concentration-and-heat-input-of-loop-heat-pipe" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29666.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">461</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">4972</span> PM10 Concentration Emitted from Blasting and Crushing Processes of Limestone Mines in Saraburi Province, Thailand</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kanokrat%20Makkwao">Kanokrat Makkwao</a>, <a href="https://publications.waset.org/abstracts/search?q=Tassanee%20Prueksasit"> Tassanee Prueksasit</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study aimed to investigate PM<sub>10 </sub>emitted from different limestone mines in Saraburi province, Thailand. The blasting and crushing were the main processes selected for PM<sub>10</sub> sampling. PM<sub>10 </sub>was collected in two mines including, a limestone mine for cement manufacturing (mine A) and a limestone mine for construction (mine B). The IMPACT samplers were used to collect PM<sub>10</sub>. At blasting, the points aligning with the upwind and downwind direction were assigned for the sampling. The ranges of PM<sub>10</sub> concentrations at mine A and B were 0.267-5.592 and 0.130-0.325 mg/m³, respectively, and the concentration at blasting from mine A was significantly higher than mine B (p < 0.05). During crushing at mine A, the PM<sub>10</sub> concentration with the range of 1.153-3.716 and 0.085-1.724 mg/m³ at crusher and piles in respectively were observed whereas the PM<sub>10</sub> concentration measured at four sampling points in mine B, including secondary crusher, tertiary crusher, screening point, and piles, were ranged 1.032-16.529, 10.957-74.057, 0.655-4.956, and 0.169-1.699 mg/m³, respectively. The emission of PM<sub>10</sub> concentration at the crushing units was different in the ranges depending on types of machine, its operation, dust collection and control system, and environmental conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=PM%E2%82%81%E2%82%80%20concentration" title="PM₁₀ concentration">PM₁₀ concentration</a>, <a href="https://publications.waset.org/abstracts/search?q=limestone%20mines" title=" limestone mines"> limestone mines</a>, <a href="https://publications.waset.org/abstracts/search?q=blasting" title=" blasting"> blasting</a>, <a href="https://publications.waset.org/abstracts/search?q=crushing" title=" crushing"> crushing</a> </p> <a href="https://publications.waset.org/abstracts/133194/pm10-concentration-emitted-from-blasting-and-crushing-processes-of-limestone-mines-in-saraburi-province-thailand" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/133194.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">142</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">4971</span> Studying the Effect of Silicon Substrate Intrinsic Carrier Concentration on Performance of ZnO/Si Solar Cells</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Syed%20Sadique%20Anwer%20Askari">Syed Sadique Anwer Askari</a>, <a href="https://publications.waset.org/abstracts/search?q=Mukul%20Kumar%20Das"> Mukul Kumar Das</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Zinc Oxide (ZnO) solar cells have drawn great attention due to the enhanced efficiency and low-cost fabrication process. In this study, ZnO thin film is used as the active layer, hole blocking layer, antireflection coating (ARC) as well as transparent conductive oxide. To improve the conductivity of ZnO, top layer of ZnO is doped with aluminum, for top contact. Intrinsic carrier concentration of silicon substrate plays an important role in enhancing the power conversion efficiency (PCE) of ZnO/Si solar cell. With the increase of intrinsic carrier concentration PCE decreased due to increase in dark current in solar cell. At 80nm ZnO and 160µm Silicon substrate thickness, power conversion efficiency of 26.45% and 21.64% is achieved with intrinsic carrier concentration of 1x109/cm3, 1.4x1010/cm3 respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hetero-junction%20solar%20cell" title="hetero-junction solar cell">hetero-junction solar cell</a>, <a href="https://publications.waset.org/abstracts/search?q=solar%20cell" title=" solar cell"> solar cell</a>, <a href="https://publications.waset.org/abstracts/search?q=substrate%20intrinsic%20carrier%20concentration" title=" substrate intrinsic carrier concentration"> substrate intrinsic carrier concentration</a>, <a href="https://publications.waset.org/abstracts/search?q=ZnO%2FSi" title=" ZnO/Si"> ZnO/Si</a> </p> <a href="https://publications.waset.org/abstracts/61939/studying-the-effect-of-silicon-substrate-intrinsic-carrier-concentration-on-performance-of-znosi-solar-cells" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61939.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">601</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">4970</span> Evaluation the Concentration of Pb, Cd, Cu, Ni, Zn, Cr in Rainbow Trout and Water of Haraz River</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Meysam%20Tehranisharif">Meysam Tehranisharif</a>, <a href="https://publications.waset.org/abstracts/search?q=Hadi%20Nakhaee"> Hadi Nakhaee</a>, <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Aaghaali%20Seyed%20Moosavi"> Seyed Aaghaali Seyed Moosavi</a>, <a href="https://publications.waset.org/abstracts/search?q=Solmaz%20Ahadi"> Solmaz Ahadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Being the second largest river in the southern Caspian Sea basin, the Haraz River ﬂows northwards through the Alborz mountains in the central region of Mazandaran province.The Haraz basin has speciﬁc geological characteristics affecting the river water quality.This area has been a rich source of minerals from times immemorial. About 45 mines (coal, limestone, sand and gravel, etc.) have been operational for the last eight decades. In the other hand this region is one of the most famous fish culturing area around Tehran & many farms are located beside this river .The aim of this study was to determine the concentration of Zn, Cd, Cr, pb , Cu, Ni in fish muscles & water in Haraz river. In order to determine the heavy metals concentration in all parts of the river , 4 station (Haraz , Razan , chelrood & Amol)were selected . Totally 32 samples were colleted from 8 farms (4 sample from each farm and 2 farms from each station). 4 water samples were collected. Biometeric were performed , then 10 grams of fish muscle were dissected and samples were prepared according to standard method. Heavy metal concentration were determined by atomic absorption method. The mean concentration of Zn in fish muscles & water in Haraz , Razan , Chelrood and Amool were 0.72 , 0.32,0.522,0.5 & 1.72,1.81,1.77,1.7 ppm respectively. Ni didn't detect in fish samples but the mean concentration in water samples in Haraz , Razan , Chelrood and Amool were 1.1 ,0.9,1.1,1.1 ppm respectively. The mean concentration of Cr in fish muscles & water in Haraz , Razan , Chelrood and Amool were 0.586,0.492,0.5,0.552 & 2.2 , 2.2,2.1,2.22 ppm respectively . Cd didn't detect in any sample. Pb concentration in fish samples & water in Haraz , Razan , Chelrood & Amool were 0.44,0.34, o.37,0.48 & 0.11,0.11,0.11,0.14 ppm repectively .The mean concentration of Cu in fish muscles & water in Haraz , Razan , Chelrood and Amool were 0.754,0.372,0.539,2.3 &0.11,0.21,0.17,0.37 ppm respectively. Cu concentration in The fish muscles and water was increased significantly in Amol station .The results of this study showed that heavy metal concentration in fish muscles and water are lower than standards. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=heavy%20metals" title="heavy metals">heavy metals</a>, <a href="https://publications.waset.org/abstracts/search?q=fish" title=" fish"> fish</a>, <a href="https://publications.waset.org/abstracts/search?q=water" title=" water"> water</a>, <a href="https://publications.waset.org/abstracts/search?q=Haraz" title=" Haraz "> Haraz </a>, <a href="https://publications.waset.org/abstracts/search?q=Iran" title=" Iran"> Iran</a> </p> <a href="https://publications.waset.org/abstracts/11654/evaluation-the-concentration-of-pb-cd-cu-ni-zn-cr-in-rainbow-trout-and-water-of-haraz-river" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11654.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">342</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">4969</span> An Analysis of Heavy Metal Pollution by Shisham (Dalbergia sissoo) in Different Cities of Pakistan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shumaila%20Shakoor">Shumaila Shakoor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The levels of metal pollution (Pb, Cd, Cu, Zn) were investigated in the leaves of Dalbergia sisso in urban areas of the Sahiwal and Faisalabad City. For this purpose, three habitats were selected for sampling (roads, residential areas and parks). High concentration of metal was found in roadside samples as compared to residential areas and parks. In Sahiwal city the mean concentration of Copper (7.68µgg-¹) Zinc (43.55µgg-¹) and lead (4.79µgg-¹) were detected. Similarly, concentration of Cu, Zn, Pb and Cd in leaves of Faisalabad city ranged from 14.4-11.3µgg-¹, 49.7-49.5µgg-¹,138.7-47.1µgg-¹. Highest concentration of heavy metals was detected in Faisalabad as compared to Sahiwal city and level of heavy metals was below the threshold limits, therefore, the concentration of heavy metals was not high in Dalbergia sissoo. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cadmium" title="cadmium">cadmium</a>, <a href="https://publications.waset.org/abstracts/search?q=copper" title=" copper"> copper</a>, <a href="https://publications.waset.org/abstracts/search?q=lead" title=" lead"> lead</a>, <a href="https://publications.waset.org/abstracts/search?q=zinc" title=" zinc"> zinc</a> </p> <a href="https://publications.waset.org/abstracts/55644/an-analysis-of-heavy-metal-pollution-by-shisham-dalbergia-sissoo-in-different-cities-of-pakistan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/55644.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">258</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">4968</span> Minimum Biofilm Inhibitory Concentration of Lysostaphin on Clinical Isolates of Methicillin Resistant Staphylococcus aureus (MRSA)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=N.%20Nagalakshmi">N. Nagalakshmi</a>, <a href="https://publications.waset.org/abstracts/search?q=Indira%20Bairy"> Indira Bairy</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Atulya"> M. Atulya</a>, <a href="https://publications.waset.org/abstracts/search?q=Jesil%20Mathew"> Jesil Mathew </a> </p> <p class="card-text"><strong>Abstract:</strong></p> S. aureus has the ability to colonize and form biofilms on implanted biomaterials, which is difficult to disrupt, and current antimicrobial therapies for biofilms have largely proven unsuccessful in complete eradication of biofilm. The present study is aimed to determine the lysostaphin activity against biofilm producing MRSA clinical strains. The minimum biofilm inhibition activity of lysostaphin was studied against twelve strong biofilm producing isolates. The biofilm was produced in 96-wells micro-titer plate and biofilm was treated with lysostaphin (0.5 to 16 µg/ml), vancomycin (0.5 to 64 µg/ml) and linezolid (0.5 to 64 µg/ml). The biofilm inhibitory concentration of lysostaphin was found between 4 to 8 µg/ml whereas vancomycin and linezolid inhibited at concentration between 32 to 64 µg/ml. Results indicate that lysostaphin as potential antimicrobial activity against biofilm at lower concentration is comparable with routine antibiotics like vancomycin and linezolid. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biofilm" title="biofilm">biofilm</a>, <a href="https://publications.waset.org/abstracts/search?q=lysostaphin" title=" lysostaphin"> lysostaphin</a>, <a href="https://publications.waset.org/abstracts/search?q=MRSA" title=" MRSA"> MRSA</a>, <a href="https://publications.waset.org/abstracts/search?q=minimum%20biofilm%20inhibitory%20concentration" title=" minimum biofilm inhibitory concentration "> minimum biofilm inhibitory concentration </a> </p> <a href="https://publications.waset.org/abstracts/13150/minimum-biofilm-inhibitory-concentration-of-lysostaphin-on-clinical-isolates-of-methicillin-resistant-staphylococcus-aureus-mrsa" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13150.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">366</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">4967</span> Determination of Heavy Metal Concentration in Soil from Flood Affected Area</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nor%20Sayzwani%20Sukri">Nor Sayzwani Sukri</a>, <a href="https://publications.waset.org/abstracts/search?q=Siti%20Hajar%20Ya%E2%80%99acob"> Siti Hajar Ya’acob</a>, <a href="https://publications.waset.org/abstracts/search?q=Musfiroh%20Jani"> Musfiroh Jani</a>, <a href="https://publications.waset.org/abstracts/search?q=Farah%20Khaliz%20Kedri"> Farah Khaliz Kedri</a>, <a href="https://publications.waset.org/abstracts/search?q=Noor%20Syuhadah%20Subki"> Noor Syuhadah Subki</a>, <a href="https://publications.waset.org/abstracts/search?q=Zulhazman%20Hamzah"> Zulhazman Hamzah </a> </p> <p class="card-text"><strong>Abstract:</strong></p> In mid-December 2014, the biggest flood event occurred in East Coast of Peninsular Malaysia especially at Dabong area, Kelantan. As a consequent of flood disaster, the heavy metals concentration in soil may changes and become harmful to the environment due to the pollution that deposited in soil. This study was carried out to determine the heavy metal concentration from flood affected area. Sample have been collected and analysed by using Atomic Absorption Spectroscopy (AAS). Lead (Pb), Cadmium (Cd), Mercury (Hg), and Arsenic (As) were chosen for the heavy metals concentration. The result indicated that the heavy metal concentration did not exceed the limit. In-situ parameters also were carried out, were the results showed the range of soil pH (6.5-6.8), temperature (25°C – 26.5°C), and moisture content (1-2), respectively. The results from this study can be used as a base data to improve the soil quality and for consideration of future land use activities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flood" title="flood">flood</a>, <a href="https://publications.waset.org/abstracts/search?q=soil" title=" soil"> soil</a>, <a href="https://publications.waset.org/abstracts/search?q=heavy%20metal" title=" heavy metal"> heavy metal</a>, <a href="https://publications.waset.org/abstracts/search?q=AAS" title=" AAS"> AAS</a> </p> <a href="https://publications.waset.org/abstracts/32044/determination-of-heavy-metal-concentration-in-soil-from-flood-affected-area" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32044.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">422</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">4966</span> Nutritional Value of Rabbit Meat after Contamination with 1,1-Dimethylhydrazine</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Balgabay%20Sadepovich%20Maikanov">Balgabay Sadepovich Maikanov</a>, <a href="https://publications.waset.org/abstracts/search?q=Laura%20Tyulegenovna%20Auteleyeva"> Laura Tyulegenovna Auteleyeva</a>, <a href="https://publications.waset.org/abstracts/search?q=Seidenova%20Simbat%20Polatbekovna"> Seidenova Simbat Polatbekovna</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this article reduced nutritional value of the rabbits’ meat at 1, 1 dimethylhydrazine experimental toxicosis is shown. The assay was performed on liquid chromatograph SHIMADZU LC-20 Prominence (Japan) with fluorometric and spectrophotometric detector. This research has revealed that samples of rabbit meat of the experimental group had significant differences from the control group:in amino acids concentration from 1.2% to 9.1%; vitamin concentration from 11.2% to 60.5%, macro – minerals concentration from 17.4% to 78.1% and saturated fatty acids concentration from 17,1% to 34.5%, respectively. The decrease in the chemical composition of rabbits’ meat at 1,1 dimethylhydrazine toxicosis may be due to changes in the internal processes associated with impaired metabolic homeostasis of animals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=1" title="1">1</a>, <a href="https://publications.waset.org/abstracts/search?q=1-dimethylhydrazine" title="1-dimethylhydrazine">1-dimethylhydrazine</a>, <a href="https://publications.waset.org/abstracts/search?q=metabolic%20homeostasis" title=" metabolic homeostasis"> metabolic homeostasis</a>, <a href="https://publications.waset.org/abstracts/search?q=nutritional%20value" title=" nutritional value"> nutritional value</a>, <a href="https://publications.waset.org/abstracts/search?q=rabbit%20meat" title=" rabbit meat"> rabbit meat</a> </p> <a href="https://publications.waset.org/abstracts/71264/nutritional-value-of-rabbit-meat-after-contamination-with-11-dimethylhydrazine" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/71264.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">215</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">4965</span> Protein and MDA (Malondialdehyde) Profil of Bull Sperm and Seminal Plasma After Freezing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sri%20Rahayu">Sri Rahayu</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Dwi%20Susan"> M. Dwi Susan</a>, <a href="https://publications.waset.org/abstracts/search?q=Aris%20Soewondo"> Aris Soewondo</a>, <a href="https://publications.waset.org/abstracts/search?q=W.%20M.%20Agung%20Pramana"> W. M. Agung Pramana</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Semen is an organic fluid (seminal plasma) that contain spermatozoa. Proteins are one of the major seminal plasma components that modulate sperm functionality, influence sperm capacitation and maintaining the stability of the membrane. Semen freezing is a procedure to preserve sperm cells. The process causes decrease in sperm viability due to temperature shock and oxidation stress. Oxidation stress is a disturbance on phosphorylation that increases ROS concentration, and it produces lipid peroxide in spermatozoa membrane resulted in high MDA (malondialdehyde) concentration. The objective of this study was to examine the effect of freezing on protein and MDA profile of bovine sperm cell and seminal plasma after freezing. Protein and MDA of sperm cell and seminal plasma were isolated from 10 sample. Protein profiles was analyzed by SDS PAGE with separating gel 12,5 %. The concentration of MDA was measured by spectrophotometer. The results of the research indicated that freezing of semen cause lost of the seminal plasma proteins with molecular with 20, 10, and 9 kDa. In addition, the result research showed that protein of the sperm (26, 10, 9, 7, and 6 kDa) had been lost. There were difference MDA concentration of seminal plasma and sperm cell were increase after freezing. MDA concentration of seminal plasma before and after freezing were 2.2 and 2.4 nmol, respectively. MDA concentration of sperm cell before and after freezing were 1,5 and 1.8 nmol, respectively. In conclusion, there were differences protein profiles of spermatozoa before and after semen freezing and freezing cause increasing of the MDA concentration. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=MDA" title="MDA">MDA</a>, <a href="https://publications.waset.org/abstracts/search?q=semen%20freezing" title=" semen freezing"> semen freezing</a>, <a href="https://publications.waset.org/abstracts/search?q=SDS%20PAGE" title=" SDS PAGE"> SDS PAGE</a>, <a href="https://publications.waset.org/abstracts/search?q=protein%20profile" title=" protein profile"> protein profile</a> </p> <a href="https://publications.waset.org/abstracts/9455/protein-and-mda-malondialdehyde-profil-of-bull-sperm-and-seminal-plasma-after-freezing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9455.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">4964</span> Effects of Conjugated Linoleic Acid on the Reproductive Axis of Ram</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Behnaz%20Mahdavi">Behnaz Mahdavi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamidreza%20Khodaei"> Hamidreza Khodaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Alireza%20Banitaba"> Alireza Banitaba</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Conjugated Linoleic Acid is a group of long-chain unsaturated fatty acids with more than one double bond and a mixture of 28 isomers of Linoleic acid (C 18:2) and it is counted as one of the essential acids. The main purpose of this study was to investigate the effect of CLA on some reproductive hormones in rams. In this study, six rams 3 to 4 years old with an average weight of 90 kg were selected. Rams were randomly divided into 3 groups and were treated by CLA treatment for 30 days. The first group (as a control group) did not receive CLA, The second group received 0.5 gr and the third group received 1 gram of CLA. The blood testing was done on rams every 15 days using a 20 ml syringe. Data analysis was performed by SAS software. Also mean comparison was done using Duncan's test method (p<0.05). Obtained results showed that the serum concentration of testosterone hormone was decreased numerically as well as the concentration of FSH hormone however the concentration of LH was increased. Also, the CLA had a significant effect on Leptin concentration. CLA in oral form can reduce the concentration of testosterone in rams. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CLA" title="CLA">CLA</a>, <a href="https://publications.waset.org/abstracts/search?q=ram" title=" ram"> ram</a>, <a href="https://publications.waset.org/abstracts/search?q=testosterone" title=" testosterone"> testosterone</a>, <a href="https://publications.waset.org/abstracts/search?q=conjugated%20linoleic%20acid" title=" conjugated linoleic acid"> conjugated linoleic acid</a> </p> <a href="https://publications.waset.org/abstracts/15054/effects-of-conjugated-linoleic-acid-on-the-reproductive-axis-of-ram" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15054.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">304</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">4963</span> Effect of Coal Fly Ash on Morphological and Biochemical Characteristics of Helianthus Annuus L. Sunflower</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Patel%20P.%20Kailash">Patel P. Kailash</a>, <a href="https://publications.waset.org/abstracts/search?q=Patel%20M.%20Parimal"> Patel M. Parimal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An investigation was conducted to study the different concentration of coal fly ash solution on morphological and biochemical parameters of Helianthus annuus L. The seeds of Helianthus annuus L. were placed in petri dishes in three replicates and allowed to grow for 16 days in different concentration of coal fly ash solution. Shoot length, root length and fresh weight, dry weight declined with increasing concentration of fly ash. Semidiluted and concentrated fly ash solution exhibited significant reduction in chlorophyll, protein,sugar and ascorbic acid. Concentration dependent changes were observed in most of parameters. Diluted solution of fly ash revealed the maximum increase morphological and biochemical changes of seedlings. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Helianthus%20annuus%20L." title="Helianthus annuus L.">Helianthus annuus L.</a>, <a href="https://publications.waset.org/abstracts/search?q=protein" title=" protein"> protein</a>, <a href="https://publications.waset.org/abstracts/search?q=sugar" title=" sugar"> sugar</a>, <a href="https://publications.waset.org/abstracts/search?q=chlorophyll" title=" chlorophyll"> chlorophyll</a>, <a href="https://publications.waset.org/abstracts/search?q=coal%20fly%20ash" title=" coal fly ash "> coal fly ash </a> </p> <a href="https://publications.waset.org/abstracts/28637/effect-of-coal-fly-ash-on-morphological-and-biochemical-characteristics-of-helianthus-annuus-l-sunflower" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28637.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">350</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">4962</span> Prediction of CO2 Concentration in the Korea Train Express (KTX) Cabins</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yong-Il%20Lee">Yong-Il Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Do-Yeon%20Hwang"> Do-Yeon Hwang</a>, <a href="https://publications.waset.org/abstracts/search?q=Won-Seog%20Jeong"> Won-Seog Jeong</a>, <a href="https://publications.waset.org/abstracts/search?q=Duckshin%20Park"> Duckshin Park</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Recently, because of the high-speed trains forced ventilation, it is important to control the ventilation. The ventilation is for controlling various contaminants, temperature, and humidity. The high-speed train route is straight to a destination having a high speed. And there are many mountainous areas in Korea. So, tunnel rate is higher then other country. KTX HVAC block off the outdoor air, when entering tunnel. So the high tunnel rate is an effect of ventilation in the KTX cabin. It is important to reduction rate in CO2 concentration prediction. To meet the air quality of the public transport vehicles recommend standards, the KTX cabin of CO2 concentration should be managed. In this study, the concentration change was predicted by CO2 prediction simulation in route to be opened. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CO2%20prediction" title="CO2 prediction">CO2 prediction</a>, <a href="https://publications.waset.org/abstracts/search?q=KTX" title=" KTX"> KTX</a>, <a href="https://publications.waset.org/abstracts/search?q=ventilation" title=" ventilation"> ventilation</a>, <a href="https://publications.waset.org/abstracts/search?q=infrastructure%20and%20transportation%20engineering" title=" infrastructure and transportation engineering"> infrastructure and transportation engineering</a> </p> <a href="https://publications.waset.org/abstracts/18283/prediction-of-co2-concentration-in-the-korea-train-express-ktx-cabins" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18283.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">544</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">4961</span> High Temperature in Caustic Pretreatment of Gold Locked in the Residue after Filtration from Gold Cyanidation Leaching </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=K.%20L.%20Kabemba">K. L. Kabemba</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20F.%20Sandenberg"> R. F. Sandenberg</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The usual way to desorb gold is by elution with a hot concentrated alkaline solution of sodium cyanide. The high temperature is necessary because the dielectric constant of water decreases with increasing temperature hence the electrostatic forces between charcoal and the gold cyanide complex decreases. High alkalinity and a high concentration of cyanide are necessary for gold desorption because both OH- and CN- ions are preferentially adsorbed. The rate of elution increases with increasing anion concentration but decreases with increasing cation concentration that means the rate of elution passes through a maximum as the concentration of the eluting salt (NaCN, for example) is increased. The anion that gives the best results, the cyanide ion, decomposes fairly rapidly at elevated temperatures (40% in 6 hours, 90% in 24 hours at 95°C). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=caustic" title="caustic">caustic</a>, <a href="https://publications.waset.org/abstracts/search?q=cyanide" title=" cyanide"> cyanide</a>, <a href="https://publications.waset.org/abstracts/search?q=gold" title=" gold"> gold</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature" title=" temperature"> temperature</a> </p> <a href="https://publications.waset.org/abstracts/38651/high-temperature-in-caustic-pretreatment-of-gold-locked-in-the-residue-after-filtration-from-gold-cyanidation-leaching" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38651.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> 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