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formation</title> <meta name="description" content="Search results for: pattern formation"> <meta name="keywords" content="pattern formation"> <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="pattern formation"> <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> 5760</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: pattern formation</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5760</span> Effect of Segregation Pattern of Mn, Si, and C on through Thickness Microstructure and Properties of Hot Rolled Steel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Waleed%20M.%20Al-Othman">Waleed M. Al-Othman</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamid%20Bayati"> Hamid Bayati</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdullah%20Al-Shahrani"> Abdullah Al-Shahrani</a>, <a href="https://publications.waset.org/abstracts/search?q=Haitham%20Al-Jabr"> Haitham Al-Jabr</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Pearlite bands commonly form parallel to the surface of the hot rolled steel and have significant influence on the properties of the steel. This study investigated the correlation between segregation pattern of Mn, Si, C and formation of the pearlite bands in hot rolled Gr 60 steel plate. Microstructural study indicated formation of a distinguished thick band at centerline of the plate with number of parallel bands through thickness of the steel plate. The thickness, frequency, and continuity of the bands are reduced from mid-thickness toward external surface of the steel plate. Analysis showed a noticeable increase of C, Si and Mn levels within the bands. Such alloying segregation takes place during metal solidification. EDS analysis verified presence of particles rich in Ti, Nb, Mn, C, N, within the bands. Texture analysis by Electron Backscatter Detector (EBSD) indicated the grains size/misorientation can noticeably change within the bands. Effect of banding on through-thickness properties of the steel was examined by carrying out microhardness, toughness and tensile tests. Results suggest the Mn and C contents are changed in sinusoidal pattern through thickness of the hot rolled plate and pearlite bands are formed at the peaks of this sinusoidal segregation pattern. Changes in grain size/misorientation, formation of highly alloyed particles, and pearlite within these bands, facilitate crack formation along boundaries of these bands. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pearlite%20band" title="pearlite band">pearlite band</a>, <a href="https://publications.waset.org/abstracts/search?q=alloying%20segregation" title=" alloying segregation"> alloying segregation</a>, <a href="https://publications.waset.org/abstracts/search?q=hot%20rolling" title=" hot rolling"> hot rolling</a>, <a href="https://publications.waset.org/abstracts/search?q=Ti" title=" Ti"> Ti</a>, <a href="https://publications.waset.org/abstracts/search?q=Nb" title="Nb">Nb</a>, <a href="https://publications.waset.org/abstracts/search?q=N" title=" N"> N</a>, <a href="https://publications.waset.org/abstracts/search?q=C" title=" C"> C</a> </p> <a href="https://publications.waset.org/abstracts/100222/effect-of-segregation-pattern-of-mn-si-and-c-on-through-thickness-microstructure-and-properties-of-hot-rolled-steel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/100222.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">137</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">5759</span> Braiding Channel Pattern Due to Variation of Discharge</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Satish%20Kumar">Satish Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Spandan%20Sahu"> Spandan Sahu</a>, <a href="https://publications.waset.org/abstracts/search?q=Sarjati%20Sahoo"> Sarjati Sahoo</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20K.%20Khatua"> K. K. Khatua</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An experimental investigation has been carried out in a tilting flume of 2 m wide, 13 m long, and 0.3 m deep to study the effect of flow on the formation of braided channel pattern. Sediment flow is recirculated through the flume, which passes from the headgate to the sediment/water collecting tank through the tailgate. Further, without altering the geometry of the sand bed channel, the discharge is varied to study the effect of the formation of the braided pattern with time. Then the flow rate is varied to study the effect of flow on the formation of the braided pattern. Sediment transport rate is highly variable and was found to be a nonlinear function of flow rate, aspect ratio, longitudinal slope, and time. Total braided intensity (BIT) for each discharge case is found to be more than the active braided intensity (BIA). Both the parameters first increase and then decrease as the time progresses following a similar pattern for all the observed discharge cases. When the flow is increased, the movement of sediment also increases since the active braided intensity is found to adjust quickly. The measurement of velocity and boundary shear helps to study the erosion and sedimentation processes in the channel and formation of small meandering channels and then the braided channel for different discharge conditions of a sediment river. Due to regime properties of rivers, both total braided Intensity and active braided intensity become stable for a given channel and flow conditions. In the present case, the trend of the ratio of BIA to BIT is found to be asymptotic against the time with a value of 0.4. After the particular time elapses off the flow, new small channels are also found to be formed with changes in the sinuosity of the active channels, thus forming the braided network. This is due to the continuous erosion and sedimentation processes occurring for the flow process for the flow and sediment conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=active%20braided%20intensity" title="active braided intensity">active braided intensity</a>, <a href="https://publications.waset.org/abstracts/search?q=bed%20load" title=" bed load"> bed load</a>, <a href="https://publications.waset.org/abstracts/search?q=sediment%20transport" title=" sediment transport"> sediment transport</a>, <a href="https://publications.waset.org/abstracts/search?q=shear%20stress" title=" shear stress"> shear stress</a>, <a href="https://publications.waset.org/abstracts/search?q=total%20braided%20intensity" title=" total braided intensity"> total braided intensity</a> </p> <a href="https://publications.waset.org/abstracts/111226/braiding-channel-pattern-due-to-variation-of-discharge" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/111226.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">131</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">5758</span> An Empirical Analysis of the Impact of Selected Macroeconomic Variables on Capital Formation in Libya (1970–2010)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khaled%20Ramadan%20Elbeydi">Khaled Ramadan Elbeydi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study is carried out to provide an insight into the analysis of the impact of selected macro-economic variables on gross fixed capital formation in Libya using annual data over the period (1970-2010). The importance of this study comes from the ability to show the relative important factors that impact the Libyan gross fixed capital formation. This understanding would give indications to decision makers on which policy they must focus to stimulate the economy. An Auto-Regressive Distributed Lag (ARDL) modeling process is employed to investigate the impact of the gross domestic product, monetary base, and trade openness on gross fixed capital formation in Libya. The results of this study reveal that there is an equilibrium relationship between capital formation and its determinants. The results also indicate that GDP and trade openness largely explain the pattern of capital formation in Libya. The findings and recommendations provide vital information relevant for policy formulation and implementation aimed to improve capital formation in Libya. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ARDL" title="ARDL">ARDL</a>, <a href="https://publications.waset.org/abstracts/search?q=bounds%20test" title=" bounds test"> bounds test</a>, <a href="https://publications.waset.org/abstracts/search?q=capital%20formation" title=" capital formation"> capital formation</a>, <a href="https://publications.waset.org/abstracts/search?q=co-integration" title=" co-integration"> co-integration</a>, <a href="https://publications.waset.org/abstracts/search?q=Libya" title=" Libya"> Libya</a> </p> <a href="https://publications.waset.org/abstracts/4764/an-empirical-analysis-of-the-impact-of-selected-macroeconomic-variables-on-capital-formation-in-libya-1970-2010" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4764.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">364</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">5757</span> Coagulase Negative Staphylococci: Phenotypic Characterization and Antimicrobial Susceptibility Pattern</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lok%20Bahadur%20Shrestha">Lok Bahadur Shrestha</a>, <a href="https://publications.waset.org/abstracts/search?q=Narayan%20Raj%20Bhattarai"> Narayan Raj Bhattarai</a>, <a href="https://publications.waset.org/abstracts/search?q=Basudha%20Khanal"> Basudha Khanal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Coagulase-negative staphylococci (CoNS) are the normal commensal of human skin and mucous membranes. The study was carried out to study the prevalence of CoNS among clinical isolates, to characterize them up to species level and to compare the three conventional methods for detection of biofilm formation. Objectives: to characterize the clinically significant coagulase-negative staphylococci up to species level, to compare the three phenotypic methods for the detection of biofilm formation and to study the antimicrobial susceptibility pattern of the isolates. Methods: CoNS isolates were obtained from various clinical samples during the period of 1 year. Characterization up to species level was done using biochemical test and study of biofilm formation was done by tube adherence, congo red agar, and tissue culture plate method. Results: Among 71 CoNS isolates, seven species were identified. S. epidermidis was the most common species followed by S. saprophyticus, S. haemolyticus. Antimicrobial susceptibility pattern of CoNS documented resistance of 90% to ampicillin. Resistance to cefoxitin and ceftriaxone was observed in 55% of the isolates. We detected biofilm formation in 71.8% of isolates. The sensitivity of tube adherence method was 82% while that of congo red agar method was 78%. Conclusion: Among 71 CoNS isolated, S. epidermidis was the most common isolates followed by S. saprophyticus and S. haemolyticus. Biofilm formation was detected in 71.8% of the isolates. All of the methods were effective at detecting biofilm-producing CoNS strains. Biofilm former strains are more resistant to antibiotics as compared to biofilm non-formers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CoNS" title="CoNS">CoNS</a>, <a href="https://publications.waset.org/abstracts/search?q=congo%20red%20agar" title=" congo red agar"> congo red agar</a>, <a href="https://publications.waset.org/abstracts/search?q=bloodstream%20infections" title=" bloodstream infections"> bloodstream infections</a>, <a href="https://publications.waset.org/abstracts/search?q=foreign%20body-related%20infections" title=" foreign body-related infections"> foreign body-related infections</a>, <a href="https://publications.waset.org/abstracts/search?q=tissue%20culture%20plate" title=" tissue culture plate "> tissue culture plate </a> </p> <a href="https://publications.waset.org/abstracts/77219/coagulase-negative-staphylococci-phenotypic-characterization-and-antimicrobial-susceptibility-pattern" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77219.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">198</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5756</span> Performance Evaluation of Refinement Method for Wideband Two-Beams Formation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C.%20Bunsanit">C. Bunsanit</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the refinement method for two beams formation of wideband smart antenna. The refinement method for weighting coefficients is based on Fully Spatial Signal Processing by taking Inverse Discrete Fourier Transform (IDFT), and its simulation results are presented using MATLAB. The radiation pattern is created by multiplying the incoming signal with real weights and then summing them together. These real weighting coefficients are computed by IDFT method; however, the range of weight values is relatively wide. Therefore, for reducing this range, the refinement method is used. The radiation pattern concerns with five input parameters to control. These parameters are maximum weighting coefficient, wideband signal, direction of mainbeam, beamwidth, and maximum of minor lobe level. Comparison of the obtained simulation results between using refinement method and taking only IDFT shows that the refinement method works well for wideband two beams formation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fully%20spatial%20signal%20processing" title="fully spatial signal processing">fully spatial signal processing</a>, <a href="https://publications.waset.org/abstracts/search?q=beam%20forming" title=" beam forming"> beam forming</a>, <a href="https://publications.waset.org/abstracts/search?q=refinement%20method" title=" refinement method"> refinement method</a>, <a href="https://publications.waset.org/abstracts/search?q=smart%20antenna" title=" smart antenna"> smart antenna</a>, <a href="https://publications.waset.org/abstracts/search?q=weighting%20coefficient" title=" weighting coefficient"> weighting coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=wideband" title=" wideband"> wideband</a> </p> <a href="https://publications.waset.org/abstracts/58916/performance-evaluation-of-refinement-method-for-wideband-two-beams-formation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58916.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">226</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">5755</span> The influence of Personality Traits on Appearance Evaluation among Chinese Teenagers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yichen%20Liu">Yichen Liu</a>, <a href="https://publications.waset.org/abstracts/search?q=Gexing%20Ding"> Gexing Ding</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Past research seeking to understand our ability to update social impressions in light of behavioral inconsistencies has shown that morality is more dominant in impression formation and updating than ability (e.g. friendly vs. efficient). In this study, we aim to test whether this pattern holds among the teenage population in an eastern society. Our findings revealed that competency and moral judgments go beyond impression formation in social cognition by influencing physical attractiveness evaluation. Moreover, our results confirmed that moral description has a leading role over the other basic dimensions of human social cognition (i.e., competency) in driving the impression formation process in an eastern society. However, competency information was generally perceived as more favorable than moral information, regardless of valence. Further investigation is needed to understand the mechanism of such effects. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=impression%20formation" title="impression formation">impression formation</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20cognition" title=" social cognition"> social cognition</a>, <a href="https://publications.waset.org/abstracts/search?q=moral%20judgment" title=" moral judgment"> moral judgment</a>, <a href="https://publications.waset.org/abstracts/search?q=cross-cultural" title=" cross-cultural"> cross-cultural</a> </p> <a href="https://publications.waset.org/abstracts/141597/the-influence-of-personality-traits-on-appearance-evaluation-among-chinese-teenagers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141597.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">216</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">5754</span> System Productivity Enhancement by Inclusion of Mungbean in Potato-Jute -T. Aman Rice Cropping Pattern</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Apurba%20Kanti%20Chowdhury"> Apurba Kanti Chowdhury</a>, <a href="https://publications.waset.org/abstracts/search?q=Taslima%20Zahan"> Taslima Zahan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The inclusion of mungbean in a cropping pattern not only increases the cropping intensity but also enriches soil health as well as ensures nutrition for the fast-growing population of Bangladesh. A study was conducted in the farmers’ field during 2013-14 and 2014-15 to observe the performance of four-crop based improve cropping pattern Potato-Mungbean-Jute -t.aman rice against the existing cropping pattern Potato-Jute -t.aman rice at Domar, Nilphamari followed by randomized complete block design with three replications. Two years study revealed that inclusion of mungbean and better management practices in improved cropping pattern provided higher economic benefit over the existing pattern by 73.1%. Moreover, the average yield of potato increased in the improved pattern by 64.3% compared to the existing pattern; however yield of jute and t.aman rice in improved pattern declined by 5.6% and 10.7% than the existing pattern, respectively. Nevertheless, the additional yield of mungbean in the improved pattern helped to increase rice equivalent yield of the whole pattern by 38.7% over the existing pattern. Thus, the addition of mungbean in the existing pattern Potato-Jute -t.aman rice seems to be profitable for the farmers and also might be sustainable if the market channel of mungbean developed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=crop%20diversity" title="crop diversity">crop diversity</a>, <a href="https://publications.waset.org/abstracts/search?q=food%20nutrition" title=" food nutrition"> food nutrition</a>, <a href="https://publications.waset.org/abstracts/search?q=production%20efficiency" title=" production efficiency"> production efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=yield%20improvement" title=" yield improvement"> yield improvement</a> </p> <a href="https://publications.waset.org/abstracts/84711/system-productivity-enhancement-by-inclusion-of-mungbean-in-potato-jute-t-aman-rice-cropping-pattern" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/84711.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">194</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">5753</span> A Novel Search Pattern for Motion Estimation in High Efficiency Video Coding</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Phong%20Nguyen">Phong Nguyen</a>, <a href="https://publications.waset.org/abstracts/search?q=Phap%20Nguyen"> Phap Nguyen</a>, <a href="https://publications.waset.org/abstracts/search?q=Thang%20Nguyen"> Thang Nguyen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> High Efficiency Video Coding (HEVC) or H.265 Standard fulfills the demand of high resolution video storage and transmission since it achieves high compression ratio. However, it requires a huge amount of calculation. Since Motion Estimation (ME) block composes about 80 % of calculation load of HEVC, there are a lot of researches to reduce the computation cost. In this paper, we propose a new algorithm to lower the number of Motion Estimation’s searching points. The number of computing points in search pattern is down from 77 for Diamond Pattern and 81 for Square Pattern to only 31. Meanwhile, the Peak Signal to Noise Ratio (PSNR) and bit rate are almost equal to those of conventional patterns. The motion estimation time of new algorithm reduces by at 68.23%, 65.83%compared to the recommended search pattern of diamond pattern, square pattern, respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=motion%20estimation" title="motion estimation">motion estimation</a>, <a href="https://publications.waset.org/abstracts/search?q=wide%20diamond" title=" wide diamond"> wide diamond</a>, <a href="https://publications.waset.org/abstracts/search?q=search%20pattern" title=" search pattern"> search pattern</a>, <a href="https://publications.waset.org/abstracts/search?q=H.265" title=" H.265"> H.265</a>, <a href="https://publications.waset.org/abstracts/search?q=test%20zone%20search" title=" test zone search"> test zone search</a>, <a href="https://publications.waset.org/abstracts/search?q=HM%20software" title=" HM software"> HM software</a> </p> <a href="https://publications.waset.org/abstracts/22368/a-novel-search-pattern-for-motion-estimation-in-high-efficiency-video-coding" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22368.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">611</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">5752</span> Linkage between Trace Element Distribution and Growth Ring Formation in Japanese Red Coral (Paracorallium japonicum)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Luan%20Trong%20Nguyen">Luan Trong Nguyen</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Azizur%20Rahman"> M. Azizur Rahman</a>, <a href="https://publications.waset.org/abstracts/search?q=Yusuke%20Tamenori"> Yusuke Tamenori</a>, <a href="https://publications.waset.org/abstracts/search?q=Toshihiro%20Yoshimura"> Toshihiro Yoshimura</a>, <a href="https://publications.waset.org/abstracts/search?q=Nozomu%20Iwasaki"> Nozomu Iwasaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Hiroshi%20Hasegawa"> Hiroshi Hasegawa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study investigated the distribution of magnesium (Mg), phosphorus (P), sulfur (S) and strontium (Sr) using micro X-ray fluorescence (µ-XRF) along the annual growth rings in the skeleton of Japanese red coral Paracorallium japonicum. The Mg, P and S distribution in µ-XRF mapping images correspond to the dark and light bands along the annual growth rings observed in microscopic images of the coral skeleton. The µ-XRF mapping data showed a positive correlation (r = 0.6) between P and S distribution in the coral skeleton. A contrasting distribution pattern of S and Mg along the axial skeleton of P. japonicum indicates a weak negative correlation (r = -0.2) between these two trace elements. The distribution pattern of S, P and Mg reveals linkage between their distributions and the formation of dark/light bands along the annual growth rings in the axial skeleton of P. japonicum. Sulfur and P were distributed in the organic matrix rich dark bands, while Mg was distributed in the light bands of the annual growth rings. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=%C2%B5-XRF" title="µ-XRF">µ-XRF</a>, <a href="https://publications.waset.org/abstracts/search?q=trace%20element" title=" trace element"> trace element</a>, <a href="https://publications.waset.org/abstracts/search?q=precious%20coral" title=" precious coral"> precious coral</a>, <a href="https://publications.waset.org/abstracts/search?q=Paracorallium%20japonicum" title=" Paracorallium japonicum"> Paracorallium japonicum</a> </p> <a href="https://publications.waset.org/abstracts/4207/linkage-between-trace-element-distribution-and-growth-ring-formation-in-japanese-red-coral-paracorallium-japonicum" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4207.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">442</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5751</span> Geomorphologic Evolution of the Southern Habble-Rud River Basin, North of Iran</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Jaberi">Maryam Jaberi</a>, <a href="https://publications.waset.org/abstracts/search?q=Siavosh%20Shayan"> Siavosh Shayan</a>, <a href="https://publications.waset.org/abstracts/search?q=Mojtaba%20Yamani"> Mojtaba Yamani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Habble-Rud River basin (HR), up to 100 km length, one of the largest watersheds which drain into deserts to the north of Central Iran (Dasht-e Kavir). This stream is oblique with the NE-SW trending, flow in the southern range of central Alborz Mountains and the northern border of Central Iran. The end of the ~17 km suddenly change direction and with the southern trending to have a morphology which meanders passes through the Alborz Mountain ridge and flows into the Garmsar plain where it forms one of the largest alluvial fans in Iran, i.e. the vast Garmsar alluvial fan with an area of 476 km2. This study was carried out through morphometric analyses, longitudinal river profiles, and study of geomorpholic evidence such as fluvial terraces, gypsum-salt domes, seismic data, and satellite images. This study aimed to investigate the changes in the pattern of rivers in the southern part of the HR river basin. The southern part of HR river basin located at the southern foothills of the Central Alborz is characterized the thrust faults (Sorkheh-Kalut and Garmsar faults), folds,diapirs and arid climate. The activity of more than 10 salt domes that belong to the Oligocene-Miocene period has considerably influenced the pattern of streams in this region. Dissolution of these domes has not only reduced the quality of water and soil resources, but also has led to the formation of badlands and gullies.Our results indicated that the pattern of rivers in the southern part of HR river basin was influenced by discharge of the HR river in Quaternary, geological structure, subsidence of Central Iran and vertical uplift of Alborz mountain. These agents caused the formation meanders in the southern part of the HR River and evaluation of the seasonal rivers like Shoor-Darre and Garmabsar. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=geomorphologic%20evaluation" title="geomorphologic evaluation">geomorphologic evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=rivers%20pattern" title=" rivers pattern"> rivers pattern</a>, <a href="https://publications.waset.org/abstracts/search?q=Habble-Rud%20River%20basin" title=" Habble-Rud River basin"> Habble-Rud River basin</a>, <a href="https://publications.waset.org/abstracts/search?q=seasonal%20rivers" title=" seasonal rivers"> seasonal rivers</a> </p> <a href="https://publications.waset.org/abstracts/22672/geomorphologic-evolution-of-the-southern-habble-rud-river-basin-north-of-iran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22672.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">501</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">5750</span> Stratigraghy and Identifying Boundaries of Mozduran Formation with Magnetite Method in East Kopet-Dagh Basin</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Z.%20Kadivar">Z. Kadivar</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Vahidinia"> M. Vahidinia</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Mousavinia"> A. Mousavinia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Kopet-Dagh Mountain Range is located in the north and northeast of Iran. Mozduran Formation in the east of Kopet-Dagh is mainly composed of limestone, dolomite, with shale and sandstone interbedded. Mozduran Formation is reservoir rock of the Khangiran gas field. The location of the study was east Kopet-Dagh basin (Northeast Iran) where the deliberate thickness of formation is 418 meters. In the present study, a total of 57 samples were gathered. Moreover, 100 thin sections were made out of 52 samples. According to the findings of the thin section study, 18 genera and nine species of foraminifera and algae were identified. Based on the index fossils, the age of the Mozduran Formation was identified as Upper Jurassic (Kimmerdgian-Tithonian) in the east of Kopet-Dagh basin. According to the magnetite data (total intensity and RTP map), there is a disconformity (low intensity) between the Kashaf-Rood Formation and Mozduran Formation. At the top, where among Mozduran Formation and Shurijeh Formation, is high intensity and a widespread disconformity (high intensity). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=upper%20jurassic" title="upper jurassic">upper jurassic</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetometre" title=" magnetometre"> magnetometre</a>, <a href="https://publications.waset.org/abstracts/search?q=mozduran%20formation" title=" mozduran formation"> mozduran formation</a>, <a href="https://publications.waset.org/abstracts/search?q=stratigraphy" title=" stratigraphy"> stratigraphy</a> </p> <a href="https://publications.waset.org/abstracts/64008/stratigraghy-and-identifying-boundaries-of-mozduran-formation-with-magnetite-method-in-east-kopet-dagh-basin" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64008.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">224</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">5749</span> Particle Jetting Induced by the Explosive Dispersal</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kun%20Xue">Kun Xue</a>, <a href="https://publications.waset.org/abstracts/search?q=Lvlan%20Miu"> Lvlan Miu</a>, <a href="https://publications.waset.org/abstracts/search?q=Jiarui%20Li"> Jiarui Li</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Jetting structures are widely found in particle rings or shells dispersed by the central explosion. In contrast, some explosive dispersal of particles only results in a dispersed cloud without distinctive structures. Employing the coupling method of the compressible computational fluid mechanics and discrete element method (CCFD-DEM), we reveal the underlying physics governing the formation of the jetting structure, which is related to the competition between the shock compaction and gas infiltration, two major processes during the shock interaction with the granular media. If the shock compaction exceeds the gas infiltration, the discernable jetting structures are expected, precipitated by the agglomerates of fast-moving particles induced by the heterogenous network of force chains. Otherwise, particles are uniformly accelerated by the interstitial flows, and no distinguishable jetting structures are formed. We proceed to devise the phase map of the jetting formation in the space defined by two dimensionless parameters which characterize the timescales of the shock compaction and the gas infiltration, respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=compressible%20multiphase%20flows" title="compressible multiphase flows">compressible multiphase flows</a>, <a href="https://publications.waset.org/abstracts/search?q=DEM" title=" DEM"> DEM</a>, <a href="https://publications.waset.org/abstracts/search?q=granular%20jetting" title=" granular jetting"> granular jetting</a>, <a href="https://publications.waset.org/abstracts/search?q=pattern%20formation" title=" pattern formation"> pattern formation</a> </p> <a href="https://publications.waset.org/abstracts/161166/particle-jetting-induced-by-the-explosive-dispersal" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161166.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">77</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">5748</span> Enthalpies of Formation of Equiatomic Binary Hafnium Transition Metal Compounds HfM (M=Co, Ir, Os, Pt, Rh, Ru)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hadda%20Krarcha">Hadda Krarcha</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Messaasdi"> S. Messaasdi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to investigate Hafnium transition metal alloys HfM (M= Co, Ir, Os,Pt, Rh, Ru) phase diagrams in the region of 50/50% atomic ratio, we performed ab initio Full-Potential Linearized Augmented Plane Waves calculations of the enthalpies of formation of HfM compounds at B2 (CsCl) structure type. The obtained enthalpies of formation are discussed and compared to some of the existing models and available experimental data. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=enthalpy%20of%20formation" title="enthalpy of formation">enthalpy of formation</a>, <a href="https://publications.waset.org/abstracts/search?q=transition%20metal" title=" transition metal"> transition metal</a>, <a href="https://publications.waset.org/abstracts/search?q=binarry%20compunds" title=" binarry compunds"> binarry compunds</a>, <a href="https://publications.waset.org/abstracts/search?q=hafnium" title=" hafnium"> hafnium</a> </p> <a href="https://publications.waset.org/abstracts/32679/enthalpies-of-formation-of-equiatomic-binary-hafnium-transition-metal-compounds-hfm-mco-ir-os-pt-rh-ru" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32679.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">482</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">5747</span> Irreducible Sign Patterns of Minimum Rank of 3 and Symmetric Sign Patterns That Allow Diagonalizability</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sriparna%20Bandopadhyay">Sriparna Bandopadhyay</a> </p> <p class="card-text"><strong>Abstract:</strong></p> It is known that irreducible sign patterns in general may not allow diagonalizability and in particular irreducible sign patterns with minimum rank greater than or equal to 4. It is also known that every irreducible sign pattern matrix with minimum rank of 2 allow diagonalizability with rank of 2 and the maximum rank of the sign pattern. In general sign patterns with minimum rank of 3 may not allow diagonalizability if the condition of irreducibility is dropped, but the problem of whether every irreducible sign pattern with minimum rank of 3 allows diagonalizability remains open. In this paper it is shown that irreducible sign patterns with minimum rank of 3 under certain conditions on the underlying graph allow diagonalizability. An alternate proof of the results that every sign pattern matrix with minimum rank of 2 and no zero lines allow diagonalizability with rank of 2 and also that every full sign pattern allows diagonalizability with all permissible ranks of the sign pattern is given. Some open problems regarding composite cycles in an irreducible symmetric sign pattern that support of a rank principal certificate are also answered. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=irreducible%20sign%20patterns" title="irreducible sign patterns">irreducible sign patterns</a>, <a href="https://publications.waset.org/abstracts/search?q=minimum%20rank" title=" minimum rank"> minimum rank</a>, <a href="https://publications.waset.org/abstracts/search?q=symmetric%20sign%20patterns" title=" symmetric sign patterns"> symmetric sign patterns</a>, <a href="https://publications.waset.org/abstracts/search?q=rank%20-principal%20certificate" title=" rank -principal certificate"> rank -principal certificate</a>, <a href="https://publications.waset.org/abstracts/search?q=allowing%20diagonalizability" title=" allowing diagonalizability"> allowing diagonalizability</a> </p> <a href="https://publications.waset.org/abstracts/173597/irreducible-sign-patterns-of-minimum-rank-of-3-and-symmetric-sign-patterns-that-allow-diagonalizability" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173597.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">98</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">5746</span> Effect of Communication Pattern on Agricultural Employees' Job Performance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=B.%20G.%20Abiona">B. G. Abiona</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20O.%20Fakoya"> E. O. Fakoya</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20O.%20Adeogun"> S. O. Adeogun</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20O.%20Blessed"> J. O. Blessed </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study assessed the influence of communication pattern on agricultural employees’ job performance. Data were collected from 61 randomly selected respondents using a structured questionnaire. Perceived communication pattern that influence job performance include: the attitude of the administrators (x̅ = 3.41, physical barriers to communication flow among employees (x̅ = 3.21). Major challenges to respondents’ job performance were different language among employees (x̅ = 3.12), employees perception on organizational issues (x̅ = 3.09), networking (x̅ = 2.88), and unclear definition of work (x̅ = 2.74). A significant relationship was found between employees’ perceived communication pattern (r = 0.423, p < 0.00) and job performance. Information must be well designed in such a way that would positively influence employees’ job performance as this is essential in any agricultural organizations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=communication%20pattern" title="communication pattern">communication pattern</a>, <a href="https://publications.waset.org/abstracts/search?q=job%20performance" title=" job performance"> job performance</a>, <a href="https://publications.waset.org/abstracts/search?q=agricultural%20employees" title=" agricultural employees"> agricultural employees</a>, <a href="https://publications.waset.org/abstracts/search?q=constraint" title=" constraint"> constraint</a>, <a href="https://publications.waset.org/abstracts/search?q=administrators" title=" administrators"> administrators</a>, <a href="https://publications.waset.org/abstracts/search?q=attitude" title=" attitude "> attitude </a> </p> <a href="https://publications.waset.org/abstracts/31891/effect-of-communication-pattern-on-agricultural-employees-job-performance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31891.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">361</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">5745</span> Population Dynamics in Aquatic Environments: Spatial Heterogeneity and Optimal Harvesting</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sarita%20Kumari">Sarita Kumari</a>, <a href="https://publications.waset.org/abstracts/search?q=Ranjit%20Kumar%20Upadhyay"> Ranjit Kumar Upadhyay</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper deals with plankton-fish dynamics where the fish population is growing logistically and nonlinearly harvested. The interaction between phytoplankton and zooplankton population is considered to be Crowley-Martin type functional response. It has been assumed that phytoplankton grows logistically and is affected by a space-dependent growth rate. Conditions for the existence of a positive equilibrium point and their stability analysis (both local and global) have been discussed for the non-spatial system. We have discussed maximum sustainable yields as well as optimal harvesting policy for maximizing the economic gain. The stability and existence of Hopf –bifurcation analysis have been discussed for the spatial system. Different conditions for turning pattern formation have been established through diffusion-driven instability analysis. Numerical simulations have been carried out for both non-spatial and spatial models. Phase plane analysis, the largest Lyapunov exponent, and bifurcation theory are used to numerically analyzed the non-spatial system. Our study shows that spatial heterogeneity, the mortality rate of phytoplankton, and constant harvesting of the fish population each play an important role in the dynamical behavior of the marine system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=optimal%20harvesting" title="optimal harvesting">optimal harvesting</a>, <a href="https://publications.waset.org/abstracts/search?q=pattern%20formation" title=" pattern formation"> pattern formation</a>, <a href="https://publications.waset.org/abstracts/search?q=spatial%20heterogeneity" title=" spatial heterogeneity"> spatial heterogeneity</a>, <a href="https://publications.waset.org/abstracts/search?q=Crowley-Martin%20functional%20response" title=" Crowley-Martin functional response"> Crowley-Martin functional response</a> </p> <a href="https://publications.waset.org/abstracts/116579/population-dynamics-in-aquatic-environments-spatial-heterogeneity-and-optimal-harvesting" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/116579.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">173</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">5744</span> Proposed Pattern for Fitted Men's Suit Jacket Using the Method of Draping on the Mannequin</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hazem%20A.%20Abdelfattah">Hazem A. Abdelfattah</a>, <a href="https://publications.waset.org/abstracts/search?q=Salia%20H.%20Khafaji"> Salia H. Khafaji</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Apparel industry needs to direct scientific researches to develop it , and because of the importance of a men’s suit jacket industry, the study of the basics of men’s jacket pattern making requires a high degree of accuracy and efficiency which contain a lot of technical and skill aspects to give the jacket a drape, comfort and good fitting , prompting researchers to think about the use of men’s mannequin with sizes (M-L-XL) to devise a method to draft a paper pattern for the men's suit jacket to use it in the industry easily and quickly and achieve the required good fitting. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=draping" title="draping">draping</a>, <a href="https://publications.waset.org/abstracts/search?q=pattern" title=" pattern"> pattern</a>, <a href="https://publications.waset.org/abstracts/search?q=men" title=" men"> men</a>, <a href="https://publications.waset.org/abstracts/search?q=jacket" title=" jacket"> jacket</a> </p> <a href="https://publications.waset.org/abstracts/47035/proposed-pattern-for-fitted-mens-suit-jacket-using-the-method-of-draping-on-the-mannequin" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47035.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">346</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">5743</span> Studies on the Emergence Pattern of Cercariae from Fresh Water Snails (Mollusca: Gastropoda)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=V.%20R.%20Kakulte">V. R. Kakulte</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20N.%20Gaikwad"> K. N. Gaikwad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The emergence pattern of different types of cercariae form three snail hosts Melania tuberculata, Lymnea auricularia Viviparous bengalensis has been studied in detail. In natural emerging method the snails (2 to 3 at a time) were kept in separate test tube. This was constant source of living cercariae naturally emerging from the snails. The sunlight and artificial light play an important positive role in stimulating the emergence of cercariae has been observed. The effect of light and dark on the emission pattern of cercariae has been studied. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cercariae" title="cercariae">cercariae</a>, <a href="https://publications.waset.org/abstracts/search?q=snail%20host" title=" snail host"> snail host</a>, <a href="https://publications.waset.org/abstracts/search?q=emergence%20pattern" title=" emergence pattern"> emergence pattern</a>, <a href="https://publications.waset.org/abstracts/search?q=gastropoda" title=" gastropoda"> gastropoda</a> </p> <a href="https://publications.waset.org/abstracts/13767/studies-on-the-emergence-pattern-of-cercariae-from-fresh-water-snails-mollusca-gastropoda" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13767.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">316</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">5742</span> The Effect of Combustion Chamber Deposits (CCD) on Homogeneous Change Compression Ignition (HCCI)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdulmagid%20A.%20Khattabi">Abdulmagid A. Khattabi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20A.%20Hablus"> Ahmed A. Hablus</a>, <a href="https://publications.waset.org/abstracts/search?q=Osama%20Ab.%20M.%20Shafah"> Osama Ab. M. Shafah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The goal of this work is to understand how the thermal influence of combustion chamber deposits can be utilized to expand the operating range of HCCI combustion. In order to do this, two main objectives must first be met; tracking deposit formation trends in an HCCI engine and determining the sensitivity of HCCI combustion to CCD. This requires testing that demonstrates the differences in combustion between a clean engine and one with deposits coating the chamber. This will involve a long-term test that tracks the effects of CCD on combustion. The test will start with a clean engine. One baseline HCCI operating point is maintained for the duration of the test during which gradual combustion chamber deposit formation will occur. Combustion parameters, including heat release rates and emissions will be tracked for the duration and compared to the case of a clean engine. This work will begin by detailing the specifics of the test procedure and measurements taken throughout the test. Then a review of the effects of the gradual formation of deposits in the engine will be given. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fuels" title="fuels">fuels</a>, <a href="https://publications.waset.org/abstracts/search?q=fuel%20atomization" title=" fuel atomization"> fuel atomization</a>, <a href="https://publications.waset.org/abstracts/search?q=pattern%20factor" title=" pattern factor"> pattern factor</a>, <a href="https://publications.waset.org/abstracts/search?q=alternate%20fuels%20combustion" title=" alternate fuels combustion"> alternate fuels combustion</a>, <a href="https://publications.waset.org/abstracts/search?q=efficiency%20gas%20turbine%20combustion" title=" efficiency gas turbine combustion"> efficiency gas turbine combustion</a>, <a href="https://publications.waset.org/abstracts/search?q=lean%20blow%20out" title=" lean blow out"> lean blow out</a>, <a href="https://publications.waset.org/abstracts/search?q=exhaust%20and%20liner%20wall%20temperature" title=" exhaust and liner wall temperature"> exhaust and liner wall temperature</a> </p> <a href="https://publications.waset.org/abstracts/13801/the-effect-of-combustion-chamber-deposits-ccd-on-homogeneous-change-compression-ignition-hcci" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13801.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">527</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">5741</span> Present Status, Driving Forces and Pattern Optimization of Territory in Hubei Province, China</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tingke%20Wu">Tingke Wu</a>, <a href="https://publications.waset.org/abstracts/search?q=Man%20Yuan"> Man Yuan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> “National Territorial Planning (2016-2030)” was issued by the State Council of China in 2017. As an important initiative of putting it into effect, territorial planning at provincial level makes overall arrangement of territorial development, resources and environment protection, comprehensive renovation and security system construction. Hubei province, as the pivot of the “Rise of Central China” national strategy, is now confronted with great opportunities and challenges in territorial development, protection, and renovation. Territorial spatial pattern experiences long time evolution, influenced by multiple internal and external driving forces. It is not clear what are the main causes of its formation and what are effective ways of optimizing it. By analyzing land use data in 2016, this paper reveals present status of territory in Hubei. Combined with economic and social data and construction information, driving forces of territorial spatial pattern are then analyzed. Research demonstrates that the three types of territorial space aggregate distinctively. The four aspects of driving forces include natural background which sets the stage for main functions, population and economic factors which generate agglomeration effect, transportation infrastructure construction which leads to axial expansion and significant provincial strategies which encourage the established path. On this basis, targeted strategies for optimizing territory spatial pattern are then put forward. Hierarchical protection pattern should be established based on development intensity control as respect for nature. By optimizing the layout of population and industry and improving the transportation network, polycentric network-based development pattern could be established. These findings provide basis for Hubei Territorial Planning, and reference for future territorial planning in other provinces. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=driving%20forces" title="driving forces">driving forces</a>, <a href="https://publications.waset.org/abstracts/search?q=Hubei" title=" Hubei"> Hubei</a>, <a href="https://publications.waset.org/abstracts/search?q=optimizing%20strategies" title=" optimizing strategies"> optimizing strategies</a>, <a href="https://publications.waset.org/abstracts/search?q=spatial%20pattern" title=" spatial pattern"> spatial pattern</a>, <a href="https://publications.waset.org/abstracts/search?q=territory" title=" territory"> territory</a> </p> <a href="https://publications.waset.org/abstracts/102788/present-status-driving-forces-and-pattern-optimization-of-territory-in-hubei-province-china" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102788.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">105</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">5740</span> Transport and Mixing Phenomena Developed by Vortex Formation in Flow around Airfoil Using Lagrangian Coherent Structures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Riaz%20Ahmad">Riaz Ahmad</a>, <a href="https://publications.waset.org/abstracts/search?q=Jiazhong%20Zhang"> Jiazhong Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Asma%20Farooqi"> Asma Farooqi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, mass transport between separation bubbles and the flow around a two-dimensional airfoil are numerically investigated using Lagrangian Coherent Structures (LCSs). Finite Time Lyapunov Exponent (FTLE) technique is used for the computation to identify invariant manifolds and LCSs. Moreover, the Characteristic Base Split (CBS) scheme combined with dual time stepping technique is applied to simulate such transient flow at low Reynolds number. We then investigate the evolution of vortex structures during the transport process with the aid of LCSs. To explore the vortex formation at the surface of the airfoil, the dynamics of separatrix is also taken into account which is formed by the combination of stable-unstable manifolds. The Lagrangian analysis gives a detailed understanding of vortex dynamics and separation bubbles which plays a significant role to explore the performance of the unsteady flow generated by the airfoil. Transport process and flow separation phenomena are studied extensively to analyze the flow pattern by Lagrangian point of view. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=transport%20phenomena" title="transport phenomena">transport phenomena</a>, <a href="https://publications.waset.org/abstracts/search?q=CBS%20Method" title=" CBS Method"> CBS Method</a>, <a href="https://publications.waset.org/abstracts/search?q=vortex%20formation" title=" vortex formation"> vortex formation</a>, <a href="https://publications.waset.org/abstracts/search?q=Lagrangian%20Coherent%20Structures" title=" Lagrangian Coherent Structures"> Lagrangian Coherent Structures</a> </p> <a href="https://publications.waset.org/abstracts/108807/transport-and-mixing-phenomena-developed-by-vortex-formation-in-flow-around-airfoil-using-lagrangian-coherent-structures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/108807.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">139</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">5739</span> Determination of Biofilm Formation in Different Clinical Candida Species and Investigation of Effects of Some Plant Substances on These Biofilms</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gulcan%20Sahal">Gulcan Sahal</a>, <a href="https://publications.waset.org/abstracts/search?q=Isil%20Seyis%20Bilkay"> Isil Seyis Bilkay</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Candida species which often exist as commensal microorganisms in healthy individuals are major causes of important infections, especially in AIDS and immunocompromised patients, by means of their biofilm formation abilities. Therefore, in this study, determination of biofilm formation in different clinical strains of Candida species, investigation of strong biofilm forming Candida strains, examination of clinical information of each strong and weak biofilm forming Candida strains and investigation of some plant substances’ effects on biofilm formation of strong biofilm forming strains were aimed. In this respect, biofilm formation of Candida strains was analyzed via crystal violet binding assay. According to our results, biofilm levels of strains belong to different Candida species were different from each other. Additionally, it is also found that some plant substances effect biofilm formation. All these results indicate that, as well as C. albicans strains, other non-albicans Candida species also emerge as causative agents of infections and have biofilm formation abilities. In addition, usage of some plant substances in different concentrations may provide a new treatment against biofilm related Candida infections. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anti-biofilm" title="anti-biofilm">anti-biofilm</a>, <a href="https://publications.waset.org/abstracts/search?q=biofilm%20formation" title=" biofilm formation"> biofilm formation</a>, <a href="https://publications.waset.org/abstracts/search?q=Candida%20species" title=" Candida species"> Candida species</a>, <a href="https://publications.waset.org/abstracts/search?q=biosystems%20engineering" title=" biosystems engineering"> biosystems engineering</a> </p> <a href="https://publications.waset.org/abstracts/8322/determination-of-biofilm-formation-in-different-clinical-candida-species-and-investigation-of-effects-of-some-plant-substances-on-these-biofilms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8322.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">5738</span> Analysis of Vortical Structures Generated by the Swirler of Combustion Chamber</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vladislav%20A.%20Nazukin">Vladislav A. Nazukin</a>, <a href="https://publications.waset.org/abstracts/search?q=Valery%20G.%20Avgustinovich"> Valery G. Avgustinovich</a>, <a href="https://publications.waset.org/abstracts/search?q=Vakhtang%20V.%20Tsatiashvili"> Vakhtang V. Tsatiashvili</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The most important part of modern lean low NOx combustors is a premixer where swirlers are often used for intensification of mixing processes and further formation of required flow pattern in combustor liner. Swirling flow leads to formation of complex eddy structures causing flow perturbations. It is able to cause combustion instability. Therefore, at design phase, it is necessary to pay great attention to aerodynamics of premixers. Analysis based on unsteady CFD modeling of swirling flow in production combustor swirler showed presence of large number of different eddy structures that can be conditionally divided into three types relative to its location of origin and a propagation path. Further, features of each eddy type were subsequently defined. Comparison of calculated and experimental pressure fluctuations spectrums verified correctness of computations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=DES%20simulation" title="DES simulation">DES simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=swirler" title=" swirler"> swirler</a>, <a href="https://publications.waset.org/abstracts/search?q=vortical%20structures" title=" vortical structures"> vortical structures</a>, <a href="https://publications.waset.org/abstracts/search?q=combustion%20chamber" title=" combustion chamber"> combustion chamber</a> </p> <a href="https://publications.waset.org/abstracts/15056/analysis-of-vortical-structures-generated-by-the-swirler-of-combustion-chamber" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15056.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">5737</span> Investigation of Crack Formation in Ordinary Reinforced Concrete Beams and in Beams Strengthened with Carbon Fiber Sheet: Theory and Experiment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anton%20A.%20Bykov">Anton A. Bykov</a>, <a href="https://publications.waset.org/abstracts/search?q=Irina%20O.%20Glot"> Irina O. Glot</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20N.%20Shardakov"> Igor N. Shardakov</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexey%20P.%20Shestakov"> Alexey P. Shestakov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the results of experimental and theoretical investigations of the mechanisms of crack formation in reinforced concrete beams subjected to quasi-static bending. The boundary-value problem has been formulated in the framework of brittle fracture mechanics and has been solved by using the finite-element method. Numerical simulation of the vibrations of an uncracked beam and a beam with cracks of different size serves to determine the pattern of changes in the spectrum of eigenfrequencies observed during crack evolution. Experiments were performed on the sequential quasistatic four-point bending of the beam leading to the formation of cracks in concrete. At each loading stage, the beam was subjected to an impulse load to induce vibrations. Two stages of cracking were detected. At the first stage the conservative process of deformation is realized. The second stage is an active cracking, which is marked by a sharp change in eingenfrequencies. The boundary of a transition from one stage to another is well registered. The vibration behavior was examined for the beams strengthened by carbon-fiber sheet before loading and at the intermediate stage of loading after the grouting of initial cracks. The obtained results show that the vibrodiagnostic approach is an effective tool for monitoring of cracking and for assessing the quality of measures aimed at strengthening concrete structures. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=crack%20formation" title="crack formation">crack formation</a>, <a href="https://publications.waset.org/abstracts/search?q=experiment" title=" experiment"> experiment</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematical%20modeling" title=" mathematical modeling"> mathematical modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=reinforced%20concrete" title=" reinforced concrete"> reinforced concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=vibrodiagnostics" title=" vibrodiagnostics"> vibrodiagnostics</a> </p> <a href="https://publications.waset.org/abstracts/52618/investigation-of-crack-formation-in-ordinary-reinforced-concrete-beams-and-in-beams-strengthened-with-carbon-fiber-sheet-theory-and-experiment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52618.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">305</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5736</span> Biofilm Formation Due to the Proteome Changes Of Enterococcus Faecium in Response to Sub-Mic of Gentamicin</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amin%20Abbasi">Amin Abbasi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Asghari%20Ozma"> Mahdi Asghari Ozma</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background and Objective:Enterococcus faecium is a normal flora of the human gastrointestinal tract that causes infection in the host body under conditions such as biofilm formation, in which the use of antibiotics causes changes in these pathogenic mechanisms. In this study, we aimed to evaluate comprehensively the changes in E.faecium when exposed to sub-MIC of the gentamicin,especiallythe biofilm formation rate. Materials and Methods: For this study, the keywords "Enterococcus faecium ", "Biofilm", and "Gentamicin" in the databases PubMed, Google Scholar, Sid, and MagIran between 2015 and 2021 were searched, and 14 articles were chosen, studied, and analyzed. Results: Gentamicin significantly had increased biofilm formation in most of the isolates in the studies. Increased expression of the genes (efaA and esp) and proteins involved in biofilm formation and decreased expression of the genes (gelE and cylA) involved in spreading and proteins involved in metabolism and cell division in E.faecium were the most significant cause of the biofilm formation, which were increased in sub-MIC gentamicin-treated situation. Conclusion: Inadequate use of gentamicin intensify biofilm formation of E.faecium, which can make the treatment of infections caused by this bacterium difficult. <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=enterococcus%20faecium" title=" enterococcus faecium"> enterococcus faecium</a>, <a href="https://publications.waset.org/abstracts/search?q=gentamicin" title=" gentamicin"> gentamicin</a>, <a href="https://publications.waset.org/abstracts/search?q=proteome" title=" proteome"> proteome</a> </p> <a href="https://publications.waset.org/abstracts/150995/biofilm-formation-due-to-the-proteome-changes-of-enterococcus-faecium-in-response-to-sub-mic-of-gentamicin" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/150995.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">110</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">5735</span> Several Spectrally Non-Arbitrary Ray Patterns of Order 4</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ling%20Zhang">Ling Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Feng%20Liu"> Feng Liu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A matrix is called a ray pattern matrix if its entries are either 0 or a ray in complex plane which originates from 0. A ray pattern <em>A </em>of order <em>n </em>is called spectrally arbitrary if the complex matrices in the ray pattern class of <em>A</em> give rise to all possible <em>n</em>th degree complex polynomial. Otherwise, it is said to be spectrally non-arbitrary ray pattern<em>.</em> We call that a spectrally arbitrary ray pattern <em>A </em>of order <em>n </em>is minimally spectrally arbitrary if any nonzero entry of <em>A</em> is replaced, then <em>A </em>is not spectrally arbitrary. In this paper, we find that is not spectrally arbitrary when n equals to 4 for any θ which is greater than or equal to 0 and less than or equal to n. In this article, we give several ray patterns A(θ) of order n that are not spectrally arbitrary for some θ which is greater than or equal to 0 and less than or equal to n. by using the nilpotent-Jacobi method. One example is given in our paper. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=spectrally%20arbitrary" title="spectrally arbitrary">spectrally arbitrary</a>, <a href="https://publications.waset.org/abstracts/search?q=nilpotent%20matrix" title=" nilpotent matrix "> nilpotent matrix </a>, <a href="https://publications.waset.org/abstracts/search?q=ray%20patterns" title=" ray patterns"> ray patterns</a>, <a href="https://publications.waset.org/abstracts/search?q=sign%20patterns" title=" sign patterns"> sign patterns</a> </p> <a href="https://publications.waset.org/abstracts/108116/several-spectrally-non-arbitrary-ray-patterns-of-order-4" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/108116.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">184</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5734</span> A Study of Electrowetting-Assisted Mold Filling in Nanoimprint Lithography</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wei-Hsuan%20Hsu">Wei-Hsuan Hsu</a>, <a href="https://publications.waset.org/abstracts/search?q=Yi-Xuan%20Huang"> Yi-Xuan Huang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nanoimprint lithography (NIL) possesses the advantages of sub-10-nm feature and low cost. NIL patterns the resist with physical deformation using a mold, which can easily reproduce the required nano-scale pattern. However, the variation of process parameters and environmental conditions seriously affect reproduction quality. How to ensure the quality of imprinted pattern is essential for industry. In this study, the authors used the electrowetting technology to assist mold filling in the NIL process. A special mold structure was designed to cause electrowetting. During the imprinting process, when a voltage was applied between the mold and substrate, the hydrophilicity/hydrophobicity of the surface of the mold can be converted. Both simulation and experiment confirmed that the electrowetting technology can assist mold filling and avoid incomplete filling rate. The proposed method can also reduce the crack formation during the de-molding process. Therefore, electrowetting technology can improve the process quality of NIL. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electrowetting" title="electrowetting">electrowetting</a>, <a href="https://publications.waset.org/abstracts/search?q=mold%20filling" title=" mold filling"> mold filling</a>, <a href="https://publications.waset.org/abstracts/search?q=nano-imprint" title=" nano-imprint"> nano-imprint</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20modification" title=" surface modification"> surface modification</a> </p> <a href="https://publications.waset.org/abstracts/99756/a-study-of-electrowetting-assisted-mold-filling-in-nanoimprint-lithography" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/99756.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">172</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">5733</span> Paleobathymetry and Biostratigraphy of Sambipitu Formation and Its Relation with the Presence of Ichnofossil in Geoheritage Site Ngalang River Yogyakarta</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Harman%20Dwi%20R.">Harman Dwi R.</a>, <a href="https://publications.waset.org/abstracts/search?q=Alwin%20Mugiyantoro"> Alwin Mugiyantoro</a>, <a href="https://publications.waset.org/abstracts/search?q=Heppy%20Chintya%20P."> Heppy Chintya P.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The location of this research is a part of Geoheritage that located in Nglipar, Gunung Kidul Regency, Yogyakarta Special Region. Whereas in this location, the carbonate sandstone of Sambipitu Formation (early-middle Miocene) is well exposed along Ngalang River, also there are ichnofossil presence which causes this formation to be interesting. The determination of paleobathymetry is particularly important in determining paleoenvironment and paleogeographic. Paleobathymetry can be determined by identifying the presence of Foraminifera bentonik fossil and parasequence emerge. The methods that used in this study are spatial method of field observation with systematic sampling, descriptive method of paleontology, biostratigraphy analysis, geometrical analysis of Ichnofossil, and study literature. The result obtained that paleobathymetry of this location is bathyal zone with maximum regression known by Bulliminoides williamsonianus showing depth 17 fathoms at the age of N3-N5 (Oligocenne-Early Miocene) and the maximum transgression is known by Cibicides pseudoungarianus showing depth 862 fathoms at the age of N8-N9 (Early-Middle Miocene). Where the obtained paleobathymetry supported of the presence and formed the pattern of ichnofossil that found in the study area. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=paleobathymetry" title="paleobathymetry">paleobathymetry</a>, <a href="https://publications.waset.org/abstracts/search?q=biostratigraphy" title=" biostratigraphy"> biostratigraphy</a>, <a href="https://publications.waset.org/abstracts/search?q=ichnofossil" title=" ichnofossil"> ichnofossil</a>, <a href="https://publications.waset.org/abstracts/search?q=Ngalang%20river" title=" Ngalang river"> Ngalang river</a> </p> <a href="https://publications.waset.org/abstracts/82945/paleobathymetry-and-biostratigraphy-of-sambipitu-formation-and-its-relation-with-the-presence-of-ichnofossil-in-geoheritage-site-ngalang-river-yogyakarta" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82945.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">165</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">5732</span> The Evolution of the Simulated and Observed Star Formation Rates of Galaxies for the Past 13 Billion Years</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Antonios%20Katsianis">Antonios Katsianis</a> </p> <p class="card-text"><strong>Abstract:</strong></p> I present the evolution of the galaxy Star Formation Rate Function (SFRF), star formation rate-stellar mass relation (SFR-M*) and Cosmic Star Formation Rate Density (CSFRD) of z = 0-8 galaxies employing both the Evolution and Assembly of GaLaxies and their Environments (EAGLE) simulations and a compilation of UV, Ha, radio and IR data. While I present comparisons between the above, I evaluate the effect and importance of supernovae/active galactic nuclei feedback. The relation between the star formation rate and stellar mass of galaxies represents a fundamental constraint on galaxy formation, and has been studied extensively both in observations and cosmological hydrodynamic simulations. However, a tension between the above is reported in the literature. I present the evolution of the SFR-M* relation and demonstrate the inconsistencies between observations that are retrieved using different methods. I employ cosmological hydrodynamic simulations combined with radiative transfer methods and compare these with a range of observed data in order to investigate further the root of this tension. Last, I present insights about the scatter of the SFR-M* relation and investigate which mechanisms (e.g. feedback) drive its shape and evolution. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cosmological%20simulations" title="cosmological simulations">cosmological simulations</a>, <a href="https://publications.waset.org/abstracts/search?q=galaxy%20formation%20and%20evolution" title=" galaxy formation and evolution"> galaxy formation and evolution</a>, <a href="https://publications.waset.org/abstracts/search?q=star%20formation%20rate" title=" star formation rate"> star formation rate</a>, <a href="https://publications.waset.org/abstracts/search?q=stellar%20masses" title=" stellar masses"> stellar masses</a> </p> <a href="https://publications.waset.org/abstracts/118594/the-evolution-of-the-simulated-and-observed-star-formation-rates-of-galaxies-for-the-past-13-billion-years" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/118594.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">148</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">5731</span> Liesegang Phenomena: Experimental and Simulation Studies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vemula%20Amalakrishna">Vemula Amalakrishna</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Pushpavanam"> S. Pushpavanam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Change and motion characterize and persistently reshape the world around us, on scales from molecular to global. The subtle interplay between change (Reaction) and motion (Diffusion) gives rise to an astonishing intricate spatial or temporal pattern. These pattern formation in nature has been intellectually appealing for many scientists since antiquity. Periodic precipitation patterns, also known as Liesegang patterns (LP), are one of the stimulating examples of such self-assembling reaction-diffusion (RD) systems. LP formation has a great potential in micro and nanotechnology. So far, the research on LPs has been concentrated mostly on how these patterns are forming, retrieving information to build a universal mathematical model for them. Researchers have developed various theoretical models to comprehensively construct the geometrical diversity of LPs. To the best of our knowledge, simulation studies of LPs assume an arbitrary value of RD parameters to explain experimental observation qualitatively. In this work, existing models were studied to understand the mechanism behind this phenomenon and challenges pertaining to models were understood and explained. These models are not computationally effective due to the presence of discontinuous precipitation rate in RD equations. To overcome the computational challenges, smoothened Heaviside functions have been introduced, which downsizes the computational time as well. Experiments were performed using a conventional LP system (AgNO₃-K₂Cr₂O₇) to understand the effects of different gels and temperatures on formed LPs. The model is extended for real parameter values to compare the simulated results with experimental data for both 1-D (Cartesian test tubes) and 2-D(cylindrical and Petri dish). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=reaction-diffusion" title="reaction-diffusion">reaction-diffusion</a>, <a href="https://publications.waset.org/abstracts/search?q=spatio-temporal%20patterns" title=" spatio-temporal patterns"> spatio-temporal patterns</a>, <a href="https://publications.waset.org/abstracts/search?q=nucleation%20and%20growth" title=" nucleation and growth"> nucleation and growth</a>, <a href="https://publications.waset.org/abstracts/search?q=supersaturation" title=" supersaturation"> supersaturation</a> </p> <a href="https://publications.waset.org/abstracts/141289/liesegang-phenomena-experimental-and-simulation-studies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141289.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">152</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=pattern%20formation&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=pattern%20formation&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=pattern%20formation&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=pattern%20formation&page=5">5</a></li> <li class="page-item"><a class="page-link" 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