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magnitude of dichotomy</title> <meta name="description" content="Search results for: percentage magnitude of dichotomy"> <meta name="keywords" content="percentage magnitude of dichotomy"> <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" /> 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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="percentage magnitude of dichotomy"> <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> 3424</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: percentage magnitude of dichotomy</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3424</span> On a Generalization of the Spectral Dichotomy Method of a Matrix With Respect to Parabolas</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mouhamadou%20Dosso">Mouhamadou Dosso</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents methods of spectral dichotomy of a matrix which compute spectral projectors on the subspace associated with the eigenvalues external to the parabolas described by a general equation. These methods are modifications of the one proposed in [A. N. Malyshev and M. Sadkane, SIAM J. MATRIX ANAL. APPL. 18 (2), 265-278, 1997] which uses the spectral dichotomy method of a matrix with respect to the imaginary axis. Theoretical and algorithmic aspects of the methods are developed. Numerical results obtained by applying methods presented on matrices are reported. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=spectral%20dichotomy%20method" title="spectral dichotomy method">spectral dichotomy method</a>, <a href="https://publications.waset.org/abstracts/search?q=spectral%20projector" title=" spectral projector"> spectral projector</a>, <a href="https://publications.waset.org/abstracts/search?q=eigensubspaces" title=" eigensubspaces"> eigensubspaces</a>, <a href="https://publications.waset.org/abstracts/search?q=eigenvalue" title=" eigenvalue"> eigenvalue</a> </p> <a href="https://publications.waset.org/abstracts/159807/on-a-generalization-of-the-spectral-dichotomy-method-of-a-matrix-with-respect-to-parabolas" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159807.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">94</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">3423</span> The Appraisal of Construction Sites Productivity: In Kendall’s Concordance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdulkadir%20Abu%20Lawal">Abdulkadir Abu Lawal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> For the dearth of reliable cardinal numerical data, the linked phenomena in productivity indices such as operational costs and company turnovers, etc. could not be investigated. This would not give us insight to the root of productivity problems at unique sites. So, ordinal ranking by professionals who were most directly involved with construction sites was applied for Kendall’s concordance. Responses gathered from independent architects, builders/engineers, and quantity surveyors were herein analyzed. They were responses based on factors that affect sites productivity, and these factors were categorized as head office factors, resource management effectiveness factors, motivational factors, and training/skill development factors. It was found that productivity is low and has to be improved in order to facilitate Nigerian efforts in bridging its infrastructure deficit. The significance of this work is underlined with the Kendall’s coefficient of concordance of 0.78, while remedial measures must be emphasized to stimulate better productivity. Further detailed study can be undertaken by using Fuzzy logic analysis on wider Delphi survey. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=factors" title="factors">factors</a>, <a href="https://publications.waset.org/abstracts/search?q=Kendall%27s%20coefficient%20of%20concordance" title=" Kendall's coefficient of concordance"> Kendall's coefficient of concordance</a>, <a href="https://publications.waset.org/abstracts/search?q=magnitude%20of%20agreement" title=" magnitude of agreement"> magnitude of agreement</a>, <a href="https://publications.waset.org/abstracts/search?q=percentage%20magnitude%20of%20dichotomy" title=" percentage magnitude of dichotomy"> percentage magnitude of dichotomy</a>, <a href="https://publications.waset.org/abstracts/search?q=ranking%20variables" title=" ranking variables"> ranking variables</a> </p> <a href="https://publications.waset.org/abstracts/14223/the-appraisal-of-construction-sites-productivity-in-kendalls-concordance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14223.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">627</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">3422</span> On the Development of a Homogenized Earthquake Catalogue for Northern Algeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=I.%20Grigoratos">I. Grigoratos</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Monteiro"> R. Monteiro</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Regions with a significant percentage of non-seismically designed buildings and reduced urban planning are particularly vulnerable to natural hazards. In this context, the project ‘Improved Tools for Disaster Risk Mitigation in Algeria’ (ITERATE) aims at seismic risk mitigation in Algeria. Past earthquakes in North Algeria caused extensive damages, e.g. the El Asnam 1980 moment magnitude (Mw) 7.1 and Boumerdes 2003 Mw 6.8 earthquakes. This paper will address a number of proposed developments and considerations made towards a further improvement of the component of seismic hazard. In specific, an updated earthquake catalog (until year 2018) is compiled, and new conversion equations to moment magnitude are introduced. Furthermore, a network-based method for the estimation of the spatial and temporal distribution of the minimum magnitude of completeness is applied. We found relatively large values for M<sub>c</sub>, due to the sparse network, and a nonlinear trend between M<sub>w</sub> and body wave (m<sub>b</sub>) or local magnitude (M<sub>L</sub>), which are the most common scales reported in the region. Lastly, the resulting b-value of the Gutenberg-Richter distribution is sensitive to the declustering method. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=conversion%20equation" title="conversion equation">conversion equation</a>, <a href="https://publications.waset.org/abstracts/search?q=magnitude%20of%20completeness" title=" magnitude of completeness"> magnitude of completeness</a>, <a href="https://publications.waset.org/abstracts/search?q=seismic%20events" title=" seismic events"> seismic events</a>, <a href="https://publications.waset.org/abstracts/search?q=seismic%20hazard" title=" seismic hazard"> seismic hazard</a> </p> <a href="https://publications.waset.org/abstracts/92965/on-the-development-of-a-homogenized-earthquake-catalogue-for-northern-algeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/92965.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">3421</span> Improved Regression Relations Between Different Magnitude Types and the Moment Magnitude in the Western Balkan Earthquake Catalogue</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anila%20Xhahysa">Anila Xhahysa</a>, <a href="https://publications.waset.org/abstracts/search?q=Migena%20Ceyhan"> Migena Ceyhan</a>, <a href="https://publications.waset.org/abstracts/search?q=Neki%20Kuka"> Neki Kuka</a>, <a href="https://publications.waset.org/abstracts/search?q=Klajdi%20Qoshi"> Klajdi Qoshi</a>, <a href="https://publications.waset.org/abstracts/search?q=Damiano%20Koxhaj"> Damiano Koxhaj</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The seismic event catalog has been updated in the framework of a bilateral project supported by the Central European Investment Fund and with the extensive support of Global Earthquake Model Foundation to update Albania's national seismic hazard model. The earthquake catalogue prepared within this project covers the Western Balkan area limited by 38.0° - 48°N, 12.5° - 24.5°E and includes 41,806 earthquakes that occurred in the region between 510 BC and 2022. Since the moment magnitude characterizes the earthquake size accurately and the selected ground motion prediction equations for the seismic hazard assessment employ this scale, it was chosen as the uniform magnitude scale for the catalogue. Therefore, proxy values of moment magnitude had to be obtained by using new magnitude conversion equations between the local and other magnitude types to this unified scale. The Global Centroid Moment Tensor Catalogue was considered the most authoritative for moderate to large earthquakes for moment magnitude reports; hence it was used as a reference for calibrating other sources. The best fit was observed when compared to some regional agencies, whereas, with reports of moment magnitudes from Italy, Greece and Turkey, differences were observed in all magnitude ranges. For teleseismic magnitudes, to account for the non-linearity of the relationships, we used the exponential model for the derivation of the regression equations. The obtained regressions for the surface wave magnitude and short-period body-wave magnitude show considerable differences with Global Earthquake Model regression curves, especially for low magnitude ranges. Moreover, a conversion relation was obtained between the local magnitude of Albania and the corresponding moment magnitude as reported by the global and regional agencies. As errors were present in both variables, the Deming regression was used. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=regression" title="regression">regression</a>, <a href="https://publications.waset.org/abstracts/search?q=seismic%20catalogue" title=" seismic catalogue"> seismic catalogue</a>, <a href="https://publications.waset.org/abstracts/search?q=local%20magnitude" title=" local magnitude"> local magnitude</a>, <a href="https://publications.waset.org/abstracts/search?q=tele-seismic%20magnitude" title=" tele-seismic magnitude"> tele-seismic magnitude</a>, <a href="https://publications.waset.org/abstracts/search?q=moment%20magnitude" title=" moment magnitude"> moment magnitude</a> </p> <a href="https://publications.waset.org/abstracts/167668/improved-regression-relations-between-different-magnitude-types-and-the-moment-magnitude-in-the-western-balkan-earthquake-catalogue" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167668.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">69</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">3420</span> Optical Variability of Faint Quasars</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kassa%20Endalamaw%20Rewnu">Kassa Endalamaw Rewnu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The variability properties of a quasar sample, spectroscopically complete to magnitude J = 22.0, are investigated on a time baseline of 2 years using three different photometric bands (U, J and F). The original sample was obtained using a combination of different selection criteria: colors, slitless spectroscopy and variability, based on a time baseline of 1 yr. The main goals of this work are two-fold: first, to derive the percentage of variable quasars on a relatively short time baseline; secondly, to search for new quasar candidates missed by the other selection criteria; and, thus, to estimate the completeness of the spectroscopic sample. In order to achieve these goals, we have extracted all the candidate variable objects from a sample of about 1800 stellar or quasi-stellar objects with limiting magnitude J = 22.50 over an area of about 0.50 deg2. We find that > 65% of all the objects selected as possible variables are either confirmed quasars or quasar candidates on the basis of their colors. This percentage increases even further if we exclude from our lists of variable candidates a number of objects equal to that expected on the basis of `contamination' induced by our photometric errors. The percentage of variable quasars in the spectroscopic sample is also high, reaching about 50%. On the basis of these results, we can estimate that the incompleteness of the original spectroscopic sample is < 12%. We conclude that variability analysis of data with small photometric errors can be successfully used as an efficient and independent (or at least auxiliary) selection method in quasar surveys, even when the time baseline is relatively short. Finally, when corrected for the different intrinsic time lags corresponding to a fixed observed time baseline, our data do not show a statistically significant correlation between variability and either absolute luminosity or redshift. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nuclear%20activity" title="nuclear activity">nuclear activity</a>, <a href="https://publications.waset.org/abstracts/search?q=galaxies" title=" galaxies"> galaxies</a>, <a href="https://publications.waset.org/abstracts/search?q=active%20quasars" title=" active quasars"> active quasars</a>, <a href="https://publications.waset.org/abstracts/search?q=variability" title=" variability"> variability</a> </p> <a href="https://publications.waset.org/abstracts/166872/optical-variability-of-faint-quasars" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/166872.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">80</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">3419</span> The Tense Dichotomy Between Shari'ah Compliance and the Goals of an Economic Bank</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Camille%20Paldi">Camille Paldi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The tense dichotomy between Shari’ah compliance and the economic goals of an Islamic Bank produces a proliferation of reverse engineered products, which are barely in compliance with Islamic law. The result is basically a hybrid conventional banking system with conventional products in Islamic disguise using Arabic and Islamic terminology. Many Islamic financial professionals and academics advocate for the use of conventional products and devices despite their non-Shari’ah compliance based on commercial necessity and the need to compete. However, this dangerous trend will lead to the demise of the Islamic finance industry. Rather than thoughtlessly following conventional products and practice, Islamic finance professionals should delve into the Shari’ah to find the answers to the current Islamic banking conundrum and lead the industry on the right path of developing Shari’ah based products and using Shari’ah devices to hedge risk. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Islamic%20banking" title="Islamic banking">Islamic banking</a>, <a href="https://publications.waset.org/abstracts/search?q=Shari%27ah" title=" Shari'ah"> Shari'ah</a>, <a href="https://publications.waset.org/abstracts/search?q=finance" title=" finance"> finance</a>, <a href="https://publications.waset.org/abstracts/search?q=investment" title=" investment"> investment</a> </p> <a href="https://publications.waset.org/abstracts/7005/the-tense-dichotomy-between-shariah-compliance-and-the-goals-of-an-economic-bank" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/7005.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">347</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">3418</span> Variations in the Frequency-Magnitude Distribution with Depth in Kalabsha Area, Aswan, South Egypt</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ezzat%20Mohamed%20El-Amin">Ezzat Mohamed El-Amin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mapping the earthquake-size distribution in various tectonic regimes on a local to regional scale reveals statistically significant variations in the range of at least 0.4 to 2.0 for the b-value in the frequency-magnitude distribution. We map the earthquake frequency–magnitude distribution (b value) as a function of depth in the Reservoir Triggered Seismicity (RTS) region in Kalabsha region, in south Egypt. About 1680 well-located events recorded during 1981–2014 in the Kalabsha region are selected for the analysis. The earthquake data sets are separated in 5 km zones from 0 to 25 km depth. The result shows a systematic decrease in b value up to 12 km followed by an increase. The increase in b value is interpreted to be caused by the presence of ﬂuids. We also investigate the spatial distribution of b value with depth. Signiﬁcant variations in the b value are detected, with b ranging from b 0.7 to 1.19. Low b value areas at 5 km depth indicate localized high stresses which are favorable for future rupture. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=seismicity" title="seismicity">seismicity</a>, <a href="https://publications.waset.org/abstracts/search?q=frequency-magnitude" title=" frequency-magnitude"> frequency-magnitude</a>, <a href="https://publications.waset.org/abstracts/search?q=b-value" title=" b-value"> b-value</a>, <a href="https://publications.waset.org/abstracts/search?q=earthquake" title=" earthquake"> earthquake</a> </p> <a href="https://publications.waset.org/abstracts/35965/variations-in-the-frequency-magnitude-distribution-with-depth-in-kalabsha-area-aswan-south-egypt" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35965.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">556</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">3417</span> The Effect of Circuit Training on Aerobic Fitness and Body Fat Percentage </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Presto%20Tri%20Sambodo">Presto Tri Sambodo</a>, <a href="https://publications.waset.org/abstracts/search?q=Suharjana"> Suharjana</a>, <a href="https://publications.waset.org/abstracts/search?q=Galih%20Yoga%20Santiko"> Galih Yoga Santiko</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Having an ideal body shape healthy body are the desire of everyone, both young and old. The purpose of this study was to determine: (1) the effect of block circuit training on aerobic fitness and body fat percentage, (2) the effect of non-block circuit training on aerobic fitness and body fat percentage, and (3) differences in the effect of exercise on block and non-circuit training block against aerobic fitness and body fat percentage. This research is an experimental research with the prestest posttest design Two groups design. The population in this study were 57 members of fat loss at GOR UNY Fitness Center. The retrieval technique uses purposive random sampling with a sample of 20 people. The instruments with rockport test (1.6 KM) and body fat percentage with a scale of bioelectrical impedance analysis omron (BIA). So it can be concluded the circuit training between block and non-block has a significant effect on aerobic fitness and body fat percentage. And for differences in the effect of circuit training between blocks and non-blocks, it is more influential on aerobic fitness than the percentage of body fat. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=circuit%20training" title="circuit training">circuit training</a>, <a href="https://publications.waset.org/abstracts/search?q=aerobic%20fitness" title=" aerobic fitness"> aerobic fitness</a>, <a href="https://publications.waset.org/abstracts/search?q=body%20fat%20percentage" title=" body fat percentage"> body fat percentage</a>, <a href="https://publications.waset.org/abstracts/search?q=healthy%20body" title=" healthy body"> healthy body</a> </p> <a href="https://publications.waset.org/abstracts/104981/the-effect-of-circuit-training-on-aerobic-fitness-and-body-fat-percentage" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/104981.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">252</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">3416</span> Coating Solutions: Study of Rheology Behavior</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=D.%20Abid">D. Abid</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Guettar"> A. Guettar</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Toubane"> A. Toubane</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Bouda"> A. Bouda</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Daoud"> K. Daoud</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this work is to study coating formulations rheology. Fourteen solutions were prepared with Hydroxypropyl methylcellulose (HPMC) percentage which varies from 2 to 20 %, Ethyl cellulose (EC) percentage varying from 1 to 3 % and Titanium dioxide (TiO2) percentage which vary from 1 to 3%, Opadry solution (25%) was used as a reference for this study. Two behaviors appeared obviously ‘pseudo plastic’ and ‘dilatant’ related to the percentage of HPMC, this allowed us to define that HPMC is the polymer which influence the behavior of coating solutions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=rheology" title="rheology">rheology</a>, <a href="https://publications.waset.org/abstracts/search?q=opadry" title=" opadry"> opadry</a>, <a href="https://publications.waset.org/abstracts/search?q=HPMC" title=" HPMC"> HPMC</a>, <a href="https://publications.waset.org/abstracts/search?q=B1-B6%20tablets" title=" B1-B6 tablets"> B1-B6 tablets</a> </p> <a href="https://publications.waset.org/abstracts/42673/coating-solutions-study-of-rheology-behavior" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42673.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">263</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">3415</span> Application of Benford's Law in Analysis of Frankfurt Stock Exchange Index (DAX) Percentage Changes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mario%20Zgela">Mario Zgela</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Application of Benford’s Law is very rarely covered in the field of stock market analysis, especially in percentage change of stock market indices. Deutscher Aktien IndeX (DAX) is very important stock market index of Frankfurt Deutsche Börse which serves as underlying basis for large number of financial instruments. It is calculated for selected 30 German blue chips stocks. In this paper, Benford's Law first digit test is applied on 10 year DAX daily percentage changes in order to check compliance. Deviations of 10 year DAX percentage changes set as well as distortions of certain subsets from Benford's Law distribution are detected. It is possible that deviations are the outcome of speculations; and psychological influence should not be eliminated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Benford%27s%20Law" title="Benford's Law">Benford's Law</a>, <a href="https://publications.waset.org/abstracts/search?q=DAX" title=" DAX"> DAX</a>, <a href="https://publications.waset.org/abstracts/search?q=index%20percentage%20changes" title=" index percentage changes"> index percentage changes</a>, <a href="https://publications.waset.org/abstracts/search?q=stock%20market" title=" stock market"> stock market</a> </p> <a href="https://publications.waset.org/abstracts/2313/application-of-benfords-law-in-analysis-of-frankfurt-stock-exchange-index-dax-percentage-changes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2313.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">292</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3414</span> The Magnitude Scale Evaluation of Cross-Platform Internet Public Opinion </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yi%20Wang">Yi Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Xun%20Liang"> Xun Liang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper introduces a model of internet public opinion waves, which describes the message propagation and measures the influence of a detected event. We collect data on public opinion propagation from different platforms on the internet, including micro-blogs and news. Then, we compare the spread of public opinion to the seismic waves and correspondently define the P-wave and S-wave and other essential attributes and characteristics in the process. Further, a model is established to evaluate the magnitude scale of the events. In the end, a practical example is used to analyze the influence of network public opinion and test the reasonability and effectiveness of the proposed model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=internet%20public%20opinion%20waves%20%28IPOW%29" title="internet public opinion waves (IPOW)">internet public opinion waves (IPOW)</a>, <a href="https://publications.waset.org/abstracts/search?q=magnitude%20scale" title=" magnitude scale"> magnitude scale</a>, <a href="https://publications.waset.org/abstracts/search?q=cross-platform" title=" cross-platform"> cross-platform</a>, <a href="https://publications.waset.org/abstracts/search?q=information%20propagation" title=" information propagation"> information propagation</a> </p> <a href="https://publications.waset.org/abstracts/54219/the-magnitude-scale-evaluation-of-cross-platform-internet-public-opinion" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54219.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">287</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">3413</span> Theoretical Study on the Forced Vibration of One Degree of Freedom System, Equipped with Inerter, under Load-Type or Displacement-Type Excitation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Barenten%20Suciu">Barenten Suciu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, a theoretical study on the forced vibration of one degree of freedom system equipped with inerter, working under load-type or displacement-type excitation, is presented. Differential equations of movement are solved under cosinusoidal excitation, and explicit relations for the magnitude, resonant magnitude, phase angle, resonant frequency, and critical frequency are obtained. Influence of the inertance and damping on these dynamic characteristics is clarified. From the obtained results, one concludes that the inerter increases the magnitude of vibration and the phase angle of the damped mechanical system. Moreover, the magnitude ratio and difference of phase angles are not depending on the actual type of excitation. Consequently, such kind of similitude allows for the comparison of various theoretical and experimental results, which can be broadly found in the literature. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=displacement-type%20excitation" title="displacement-type excitation">displacement-type excitation</a>, <a href="https://publications.waset.org/abstracts/search?q=inerter" title=" inerter"> inerter</a>, <a href="https://publications.waset.org/abstracts/search?q=load-type%20excitation" title=" load-type excitation"> load-type excitation</a>, <a href="https://publications.waset.org/abstracts/search?q=one%20degree%20of%20freedom%20vibration" title=" one degree of freedom vibration"> one degree of freedom vibration</a>, <a href="https://publications.waset.org/abstracts/search?q=parallel%20connection" title=" parallel connection"> parallel connection</a> </p> <a href="https://publications.waset.org/abstracts/90102/theoretical-study-on-the-forced-vibration-of-one-degree-of-freedom-system-equipped-with-inerter-under-load-type-or-displacement-type-excitation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/90102.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">3412</span> The Influence of Theories and Approaches to Educational Policy and Planning in Ghana’s Current Educational Developments</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ruth%20Donkoh">Ruth Donkoh</a>, <a href="https://publications.waset.org/abstracts/search?q=Wing%20On%20Lee"> Wing On Lee</a>, <a href="https://publications.waset.org/abstracts/search?q=Solomon%20A.%20Boateng"> Solomon A. Boateng</a>, <a href="https://publications.waset.org/abstracts/search?q=Portia%20Oware%20Twerefoo"> Portia Oware Twerefoo</a>, <a href="https://publications.waset.org/abstracts/search?q=Josephine%20Donkor"> Josephine Donkor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper we defend the value of theories and approaches to educational policy and planning in enhancing the educational developments in Ghana. This mission is achieved by enumerating the recent educational developments in Ghana and juxtaposing it with some educational theories, approaches to policy making, and policy planning to see if the educational developments conform with the theory principles as well as policy making and planning processes. Data collection for the research was made through textual analysis of policy documents as well as review of relevant literatures. The findings reveled that educational developments in Ghana are unable to attain its objectives due to the policies not conforming with the policy formation and planning principles. In addition, was that education planning in Ghana does not follow the policy-administration dichotomy theory principles and likewise the distribution of educational needs goes contrary to the equity theory. We recommend that educational policies in Ghana should be in conformity with the principles of theories as well as the approaches to educational policy making and planning to help meet the needs of learners, attain educational quality, and to help in the accomplishment of educational development objectives. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ghana%20education" title="Ghana education">Ghana education</a>, <a href="https://publications.waset.org/abstracts/search?q=equity%20theories" title=" equity theories"> equity theories</a>, <a href="https://publications.waset.org/abstracts/search?q=politics-%20administration%20dichotomy%20theory" title=" politics- administration dichotomy theory"> politics- administration dichotomy theory</a>, <a href="https://publications.waset.org/abstracts/search?q=educational%20policies" title=" educational policies"> educational policies</a>, <a href="https://publications.waset.org/abstracts/search?q=educational%20planning" title=" educational planning"> educational planning</a> </p> <a href="https://publications.waset.org/abstracts/145080/the-influence-of-theories-and-approaches-to-educational-policy-and-planning-in-ghanas-current-educational-developments" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/145080.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">146</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3411</span> The Different Improvement of Numerical Magnitude and Spatial Representation of Numbers to Symbolic Approximate Arithmetic: A Training Study of Preschooler</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yu%20Liang">Yu Liang</a>, <a href="https://publications.waset.org/abstracts/search?q=Wei%20Wei"> Wei Wei</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Spatial representation of numbers and numerical magnitude are important for preschoolers’ mathematical ability. Mental number line, a typical index to measure numbers spatial representation, and numerical comparison are both related to arithmetic obviously. However, they seem to rely on different mechanisms and probably influence arithmetic through different mechanisms. In line with this idea, preschool children were trained with two tasks to investigate which one is more important for approximate arithmetic. The training of numerical processing and number line estimation were proved to be effective. They both improved the ability of approximate arithmetic. When the difficulty of approximate arithmetic was taken into account, the performance in number line training group was not significantly different among three levels. However, two harder levels achieved significance in numerical comparison training group. Thus, comparing spatial representation ability, symbolic approximation arithmetic relies more on numerical magnitude. Educational implications of the study were discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=approximate%20arithmetic" title="approximate arithmetic">approximate arithmetic</a>, <a href="https://publications.waset.org/abstracts/search?q=mental%20number%20line" title=" mental number line"> mental number line</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20magnitude" title=" numerical magnitude"> numerical magnitude</a>, <a href="https://publications.waset.org/abstracts/search?q=preschooler" title=" preschooler"> preschooler</a> </p> <a href="https://publications.waset.org/abstracts/72817/the-different-improvement-of-numerical-magnitude-and-spatial-representation-of-numbers-to-symbolic-approximate-arithmetic-a-training-study-of-preschooler" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72817.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">251</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">3410</span> Modeling of Surge Corona Using Type94 in Overhead Power Lines </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zahira%20Anane">Zahira Anane</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdelhafid%20Bayadi"> Abdelhafid Bayadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Corona in the HV overhead transmission lines is an important source of attenuation and distortion of overvoltage surges. This phenomenon of distortion, which is superimposed on the distortion by skin effect, is due to the dissipation of energy by injection of space charges around the conductor, this process with place as soon as the instantaneous voltage exceeds the threshold voltage of the corona effect conductors. This paper presents a mathematical model to determine the corona inception voltage, the critical electric field and the corona radius, to predict the capacitive changes at conductor of transmission line due to corona. This model has been incorporated into the Alternative Transients Program version of the Electromagnetic Transients Program (ATP/EMTP) as a user defined component, using the MODELS interface with NORTON TYPE94 of this program and using the foreign subroutine. For obtained the displacement of corona charge hell, dichotomy mathematical method is used for this computation. The present corona model can be used for computing of distortion and attenuation of transient overvoltage waves being propagated in a transmission line of the very high voltage electric power. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=high%20voltage" title="high voltage">high voltage</a>, <a href="https://publications.waset.org/abstracts/search?q=corona" title=" corona"> corona</a>, <a href="https://publications.waset.org/abstracts/search?q=Type94%20NORTON" title=" Type94 NORTON"> Type94 NORTON</a>, <a href="https://publications.waset.org/abstracts/search?q=dichotomy" title=" dichotomy"> dichotomy</a>, <a href="https://publications.waset.org/abstracts/search?q=ATP%2FEMTP" title=" ATP/EMTP"> ATP/EMTP</a>, <a href="https://publications.waset.org/abstracts/search?q=MODELS" title=" MODELS"> MODELS</a>, <a href="https://publications.waset.org/abstracts/search?q=distortion" title=" distortion"> distortion</a>, <a href="https://publications.waset.org/abstracts/search?q=foreign%20model" title=" foreign model"> foreign model</a> </p> <a href="https://publications.waset.org/abstracts/13251/modeling-of-surge-corona-using-type94-in-overhead-power-lines" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13251.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">625</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">3409</span> Detection of Change Points in Earthquakes Data: A Bayesian Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=F.%20A.%20Al-Awadhi">F. A. Al-Awadhi</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Al-Hulail"> D. Al-Hulail</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, we applied the Bayesian hierarchical model to detect single and multiple change points for daily earthquake body wave magnitude. The change point analysis is used in both backward (off-line) and forward (on-line) statistical research. In this study, it is used with the backward approach. Different types of change parameters are considered (mean, variance or both). The posterior model and the conditional distributions for single and multiple change points are derived and implemented using BUGS software. The model is applicable for any set of data. The sensitivity of the model is tested using different prior and likelihood functions. Using Mb data, we concluded that during January 2002 and December 2003, three changes occurred in the mean magnitude of Mb in Kuwait and its vicinity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=multiple%20change%20points" title="multiple change points">multiple change points</a>, <a href="https://publications.waset.org/abstracts/search?q=Markov%20Chain%20Monte%20Carlo" title=" Markov Chain Monte Carlo"> Markov Chain Monte Carlo</a>, <a href="https://publications.waset.org/abstracts/search?q=earthquake%20magnitude" title=" earthquake magnitude"> earthquake magnitude</a>, <a href="https://publications.waset.org/abstracts/search?q=hierarchical%20Bayesian%20mode" title=" hierarchical Bayesian mode"> hierarchical Bayesian mode</a> </p> <a href="https://publications.waset.org/abstracts/21451/detection-of-change-points-in-earthquakes-data-a-bayesian-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21451.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">456</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">3408</span> International Conference on Comparative Religion and Mythology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mara%20Varelaki">Mara Varelaki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In response to the challenge of the environmental crisis the discipline of environmental ethics examines the relation of human beings towards the environment and the value of the non-human constituents of the surrounding world. In the face of this crisis, assumptions regarding human and nature relations ought to be traced and reexamined because they can cause difficulties in diagnosing problematic attitudes towards the environment and non-human animals. This paper presents the claims that European and the Judea-Christian cosmogonic myths place the human figure in the core of the creation of the cosmos, thus verifying a hierarchical structure where humans occupy the top, and they establish a perception of nature as a non-human other. By doing so, these narratives provide some justification to the notion of the human-nature dichotomy and the human domination over other life forms and ecosystems. These anthropocentric assumptions evolved into what Hilde Lindemann terms master narratives and their influence extents to ecocentric ethical theories which attempt, and often fail, to shed the anthropocentrism of the western ethical tradition. The goal of this paper is (1) to trace the anthropocentric assumptions embedded in western thought and (2) articulate how they maintain their grip on our contemporary understanding of the human relation to and position within the environment, thus showing the need for a method of detecting and bracketing anthropocentric assumptions in social narratives and ethical frameworks. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cosmogonies" title="cosmogonies">cosmogonies</a>, <a href="https://publications.waset.org/abstracts/search?q=anthropocentrism" title=" anthropocentrism"> anthropocentrism</a>, <a href="https://publications.waset.org/abstracts/search?q=human%2Fnature%20dichotomy" title=" human/nature dichotomy"> human/nature dichotomy</a>, <a href="https://publications.waset.org/abstracts/search?q=master%20narratives" title=" master narratives"> master narratives</a>, <a href="https://publications.waset.org/abstracts/search?q=ecocentrism" title=" ecocentrism"> ecocentrism</a> </p> <a href="https://publications.waset.org/abstracts/150618/international-conference-on-comparative-religion-and-mythology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/150618.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">107</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">3407</span> Yarkovsky Effect on the Orbital Dynamics of the Asteroid (101955) Bennu</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sanjay%20Narayan%20Deo">Sanjay Narayan Deo</a>, <a href="https://publications.waset.org/abstracts/search?q=Badam%20Singh%20Kushvah"> Badam Singh Kushvah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bennu(101955) is a half kilometer potentially hazardous near-Earth asteroid. We analyze the influence of Yarkovsky effect and relativistic effect of the Sun on the motion of the asteroid Bennu. The transverse model is used to compute Yarkovsky force on asteroid Bennu. Our dynamical model includes Newtonian perturbations of eight planets, the Moon, the Sun and three massive asteroid (1Ceres, 2Palas and 4Vesta). We showed the variation in orbital elements of nominal orbit of the asteroid. In the presence of Yarkovsky effect, the Semi-major axis of the orbit of the asteroid is decreases by 350 m over one period of orbital motion. The magnitude of Yarkovsky force is computed. We find that maximum magnitude of Yarkovsky force is 0.09 N at the perihelion . We also found that the magnitude of the Sun relativity effect is greater than the Yarkovsky effect on the motion the asteroid Bennu. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bennu" title="Bennu">Bennu</a>, <a href="https://publications.waset.org/abstracts/search?q=orbital%20elements" title=" orbital elements"> orbital elements</a>, <a href="https://publications.waset.org/abstracts/search?q=relativistic%20effect" title=" relativistic effect"> relativistic effect</a>, <a href="https://publications.waset.org/abstracts/search?q=Yarkovsky%20effect" title=" Yarkovsky effect"> Yarkovsky effect</a> </p> <a href="https://publications.waset.org/abstracts/88396/yarkovsky-effect-on-the-orbital-dynamics-of-the-asteroid-101955-bennu" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88396.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">296</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">3406</span> The Effect of Lande G-Factors on the Quantum and Thermal Entanglement in the Mixed Spin-(1/2,S) Heisenberg Dimer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=H.%20Vargova">H. Vargova</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Strecka"> J. Strecka</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Tomasovicova"> N. Tomasovicova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A rigorous analytical treatment, with the help of a concept of negativity, is used to study the quantum and thermal entanglement in an isotropic mixed spin-(1/2,S) Heisenberg dimer. The effect of the spin-S magnitude, as well as the effect of diversity between Landé g-factors of magnetic constituents on system entanglement, is exhaustively analyzed upon the variation of the external magnetic and electric field, respectively. It was identified that the increasing magnitude of the spin-S species in a mixed spin-(1/2,S) Heisenberg dimer with comparative Landé g-factors have always a reduction effect on a degree of the quantum entanglement, but it strikingly shifts the thermal entanglement to the higher temperatures. Surprisingly, out of the limit of identical Landé g-factors, the increasing magnitude of spin-S entities can enhance the system entanglement in both low and high magnetic fields. Besides this, we identify that the analyzed dimer with a high-enough magnitude of the spin-S entities at a sufficiently high magnetic field can exhibit unconventional thermally driven re-entrance between the entangled and unentangled mixed state. The importance of the electric-field stimuli is also discussed in detail. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=quantum%20and%20thermal%20entantanglement" title="quantum and thermal entantanglement">quantum and thermal entantanglement</a>, <a href="https://publications.waset.org/abstracts/search?q=mixed%20spin%20Heisenberg%20model" title=" mixed spin Heisenberg model"> mixed spin Heisenberg model</a>, <a href="https://publications.waset.org/abstracts/search?q=negativity" title=" negativity"> negativity</a>, <a href="https://publications.waset.org/abstracts/search?q=reentrant%20phase%20transition" title=" reentrant phase transition"> reentrant phase transition</a> </p> <a href="https://publications.waset.org/abstracts/155595/the-effect-of-lande-g-factors-on-the-quantum-and-thermal-entanglement-in-the-mixed-spin-12s-heisenberg-dimer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/155595.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">99</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">3405</span> Exploring Students' Alternative Conception in Vector Components</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Umporn%20Wutchana">Umporn Wutchana</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An open ended problem and unstructured interview had been used to explore students’ conceptual and procedural understanding of vector components. The open ended problem had been designed based on research instrument used in previous physics education research. Without physical context, we asked students to find out magnitude and draw graphical form of vector components. The open ended problem was given to 211 first year students of faculty of science during the third (summer) semester in 2014 academic year. The students spent approximately 15 minutes of their second time of the General Physics I course to complete the open ended problem after they had failed. Consequently, their responses were classified based on the similarity of errors performed in the responses. Then, an unstructured interview was conducted. 7 students were randomly selected and asked to reason and explain their answers. The study results showed that 53% of 211 students provided correct numerical magnitude of vector components while 10.9% of them confused and punctuated the magnitude of vectors in x- with y-components. Others 20.4% provided just symbols and the last 15.6% gave no answer. When asking to draw graphical form of vector components, only 10% of 211 students made corrections. A majority of them produced errors and revealed alternative conceptions. 46.5% drew longer and/or shorter magnitude of vector components. 43.1% drew vectors in different forms or wrote down other symbols. Results from the unstructured interview indicated that some students just memorized the method to get numerical magnitude of x- and y-components. About graphical form of component vectors, some students though that the length of component vectors should be shorter than those of the given one. So then, it could be combined to be equal length of the given vectors while others though that component vectors should has the same length as the given vectors. It was likely to be that many students did not develop a strong foundation of understanding in vector components but just learn by memorizing its solution or the way to compute its magnitude and attribute little meaning to such concept. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=graphical%20vectors" title="graphical vectors">graphical vectors</a>, <a href="https://publications.waset.org/abstracts/search?q=vectors" title=" vectors"> vectors</a>, <a href="https://publications.waset.org/abstracts/search?q=vector%20components" title=" vector components"> vector components</a>, <a href="https://publications.waset.org/abstracts/search?q=misconceptions" title=" misconceptions"> misconceptions</a>, <a href="https://publications.waset.org/abstracts/search?q=alternative%20conceptions" title=" alternative conceptions"> alternative conceptions</a> </p> <a href="https://publications.waset.org/abstracts/49280/exploring-students-alternative-conception-in-vector-components" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49280.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">188</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">3404</span> Modelling and Maping Malnutrition Toddlers in Bojonegoro Regency with Mixed Geographically Weighted Regression Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elvira%20Mustikawati%20P.H.">Elvira Mustikawati P.H.</a>, <a href="https://publications.waset.org/abstracts/search?q=Iis%20Dewi%20Ratih"> Iis Dewi Ratih</a>, <a href="https://publications.waset.org/abstracts/search?q=Dita%20Amelia"> Dita Amelia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bojonegoro has proclaimed a policy of zero malnutrition. Therefore, as an effort to solve the cases of malnutrition children in Bojonegoro, this study used the approach geographically Mixed Weighted Regression (MGWR) to determine the factors that influence the percentage of malnourished children under five in which factors can be divided into locally influential factor in each district and global factors that influence throughout the district. Based on the test of goodness of fit models, R2 and AIC values in GWR models are better than MGWR models. R2 and AIC values in MGWR models are 84.37% and 14.28, while the GWR models respectively are 91.04% and -62.04. Based on the analysis with GWR models, District Sekar, Bubulan, Gondang, and Dander is a district with three predictor variables (percentage of vitamin A, the percentage of births assisted health personnel, and the percentage of clean water) that significantly influence the percentage of malnourished children under five. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=GWR" title="GWR">GWR</a>, <a href="https://publications.waset.org/abstracts/search?q=MGWR" title=" MGWR"> MGWR</a>, <a href="https://publications.waset.org/abstracts/search?q=R2" title=" R2"> R2</a>, <a href="https://publications.waset.org/abstracts/search?q=AIC" title=" AIC"> AIC</a> </p> <a href="https://publications.waset.org/abstracts/2014/modelling-and-maping-malnutrition-toddlers-in-bojonegoro-regency-with-mixed-geographically-weighted-regression-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2014.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">296</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">3403</span> Maturity Status of Male Boys in Punjab - India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Parminder%20K.%20Laroiya">Parminder K. Laroiya</a>, <a href="https://publications.waset.org/abstracts/search?q=Sukhdeep%20S.%20Kang"> Sukhdeep S. Kang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Present cross-sectional study was conducted on 610 boys (ranging in age bracket of 11 to 17 years) to assess their developmental age to check percentage of early, normal and late maturity among them, and to check whether there is any significant difference in their calendar age and developmental age. Developmental age of these subjects has been accessed by TW2 method (using hand wrist X-rays) and their chronological age was checked from their date of birth certificate. Developmental status of subjects i.e. early, normal or late mature was considered with +2 years or -2 years from their calendar age. Results of this study shows that 50% boys were normal in their maturity status in all age brackets and rest of subjects were either early maturers 24.92% or late maturers 25.08%. When pattern of maturity was studied in each age group it has been found that till the age of 15 years, percentage of normal maturity was less than 50 % whereas in 16 and 17 years age groups, this percentage of normal maturity increased to 60% - 65 % ( this may be because at this age mostly boys attain adolescence) Further investigation of each age group showed that till the age of 14 years percentage of late maturity among these boys were approximately 35% to 40% whereas early maturity lies between 15% to 20%. It has been found from the present study that at the age of 15 years, there is a twist among percentage of late and early maturity among boys-early maturers are 38.61% and late maturers are 16.84%. At the age of 16 and 17 years percentage of late maturity has been decreased to 3% to 6%, whereas percentage of early maturity increased to 35.64 % and 30.69 % respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=maturity%20status" title="maturity status">maturity status</a>, <a href="https://publications.waset.org/abstracts/search?q=developmental%20age" title=" developmental age"> developmental age</a>, <a href="https://publications.waset.org/abstracts/search?q=chronological%20age" title=" chronological age"> chronological age</a>, <a href="https://publications.waset.org/abstracts/search?q=X-rays" title=" X-rays"> X-rays</a> </p> <a href="https://publications.waset.org/abstracts/171610/maturity-status-of-male-boys-in-punjab-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/171610.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">84</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3402</span> Percentage of Helicobacter Pylori Infection with Dyspeptic Patients in Saudi Arabia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ibrahim%20Alshunaibir">Ibrahim Alshunaibir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Infection with Helicobacter pylori is common worldwide but few studies focus on the prevalence and spread of the infection in Saudi Arabia. This study was undertaken to observe the epidemiology of Helicobacter pylori infection in patients suffering from gastrointestinal sign and symptoms in one of the largest hospitals in the capital of Saudi Arabia, Riyadh. Methods: Enzyme-linked immunosorbent assay (ELISA) was undertaken for this study with nearly 6000 samples collected and examined for patients suffering from (dyspeptic) symptoms ranging in their age from 5 to 75 years. Results: The prevalence of helicobacter infection was 67% increasing with age. Female shows higher percentage of H. pylori infection than male. Conclusions: The percentage rate was higher in female than male. This study shows a high percentage of helicobacter infection in Saudi Arabia. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Helicobacter%20pylori" title="Helicobacter pylori">Helicobacter pylori</a>, <a href="https://publications.waset.org/abstracts/search?q=percentage" title=" percentage"> percentage</a>, <a href="https://publications.waset.org/abstracts/search?q=dyspeptic" title=" dyspeptic"> dyspeptic</a>, <a href="https://publications.waset.org/abstracts/search?q=Saudi%20Arabia" title=" Saudi Arabia"> Saudi Arabia</a> </p> <a href="https://publications.waset.org/abstracts/2824/percentage-of-helicobacter-pylori-infection-with-dyspeptic-patients-in-saudi-arabia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2824.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">360</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">3401</span> Evaluation of the Analgesic Activity of Defatted Methanol Extract of Capparis spinosa L. Root Barks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Asma%20Meddour">Asma Meddour</a>, <a href="https://publications.waset.org/abstracts/search?q=Mouloud%20Yahia"> Mouloud Yahia</a>, <a href="https://publications.waset.org/abstracts/search?q=Afaf%20Benhouda"> Afaf Benhouda</a>, <a href="https://publications.waset.org/abstracts/search?q=Souhila%20Benbia"> Souhila Benbia</a>, <a href="https://publications.waset.org/abstracts/search?q=Hachani%20Khadhraoui"> Hachani Khadhraoui</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Peripheral analgesic activity of defatted methanol extract of root barks of Capparis spinosa was tested orally at the dose of 100 and 200 mg/kg against pain induced by acetic acid in rats. The dose of 200 mg/kg presents significant analgesic effect with a percentage of inhibition of torsions of 88.51% compared to the positive control which is the acetylsalicylic acid which represents a percentage of inhibition of 92.55%. The dose of 100 mg/kg presents a percentage of inhibition of 81.68%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=peripheral%20analgesic%20activity" title="peripheral analgesic activity">peripheral analgesic activity</a>, <a href="https://publications.waset.org/abstracts/search?q=Capparis%20spinosa" title=" Capparis spinosa"> Capparis spinosa</a>, <a href="https://publications.waset.org/abstracts/search?q=percentage%20of%20inhibition%20of%20torsions" title=" percentage of inhibition of torsions"> percentage of inhibition of torsions</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20sciences" title=" chemical sciences"> chemical sciences</a> </p> <a href="https://publications.waset.org/abstracts/6423/evaluation-of-the-analgesic-activity-of-defatted-methanol-extract-of-capparis-spinosa-l-root-barks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6423.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">295</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3400</span> Induction Motor Stator Fault Analysis Using Phase-Angle and Magnitude of the Line Currents Spectra</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Hamida%20Boudinar">Ahmed Hamida Boudinar</a>, <a href="https://publications.waset.org/abstracts/search?q=Noureddine%20Benouzza"> Noureddine Benouzza</a>, <a href="https://publications.waset.org/abstracts/search?q=Azeddine%20Bendiabdellah"> Azeddine Bendiabdellah</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20El%20Amine%20Khodja"> Mohamed El Amine Khodja</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper describes a new diagnosis approach for identification of the progressive stator winding inter-turn short-circuit fault in induction motor. This approach is based on a simple monitoring of the combined information related to both magnitude and phase-angle obtained from the fundamental by the three line currents frequency analysis. In addition, to simplify the interpretation and analysis of the data; a new graphical tool based on a triangular representation is suggested. This representation, depending on its size, enables to visualize in a simple and clear manner, the existence of the stator inter-turn short-circuit fault and its discrimination with respect to a healthy stator. Experimental results show well the benefit and effectiveness of the proposed approach. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=induction%20motor" title="induction motor">induction motor</a>, <a href="https://publications.waset.org/abstracts/search?q=magnitude" title=" magnitude"> magnitude</a>, <a href="https://publications.waset.org/abstracts/search?q=phase-angle" title=" phase-angle"> phase-angle</a>, <a href="https://publications.waset.org/abstracts/search?q=spectral%20analysis" title=" spectral analysis"> spectral analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=stator%20fault" title=" stator fault"> stator fault</a> </p> <a href="https://publications.waset.org/abstracts/71288/induction-motor-stator-fault-analysis-using-phase-angle-and-magnitude-of-the-line-currents-spectra" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/71288.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">3399</span> Activation Parameters of the Low Temperature Creep Controlling Mechanism in Martensitic Steels</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20M%C3%BCnch">M. Münch</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Brandt"> R. Brandt</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Martensitic steels with an ultimate tensile strength beyond 2000 MPa are applied in the powertrain of vehicles due to their excellent fatigue strength and high creep resistance. However, the creep controlling mechanism in martensitic steels at ambient temperatures up to 423 K is not evident. The purpose of this study is to review the low temperature creep (LTC) behavior of martensitic steels at temperatures from 363 K to 523 K. Thus, the validity of a logarithmic creep law is reviewed and the stress and temperature dependence of the creep parameters α and β are revealed. Furthermore, creep tests are carried out, which include stepped changes in temperature or stress, respectively. On one hand, the change of the creep rate due to a temperature step provides information on the magnitude of the activation energy of the LTC controlling mechanism and on the other hand, the stress step approach provides information on the magnitude of the activation volume. The magnitude, the temperature dependency, and the stress dependency of both material specific activation parameters may deliver a significant contribution to the disclosure of the nature of the LTC rate controlling mechanism. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=activation%20parameters" title="activation parameters">activation parameters</a>, <a href="https://publications.waset.org/abstracts/search?q=creep%20mechanisms" title=" creep mechanisms"> creep mechanisms</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20strength%20steels" title=" high strength steels"> high strength steels</a>, <a href="https://publications.waset.org/abstracts/search?q=low%20temperature%20creep" title=" low temperature creep"> low temperature creep</a> </p> <a href="https://publications.waset.org/abstracts/85663/activation-parameters-of-the-low-temperature-creep-controlling-mechanism-in-martensitic-steels" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85663.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">171</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">3398</span> 3 Phase Induction Motor Control Using Single Phase Input and GSM</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pooja%20S.%20Billade">Pooja S. Billade</a>, <a href="https://publications.waset.org/abstracts/search?q=Sanjay%20S.%20Chopade"> Sanjay S. Chopade </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper focuses on the design of three phase induction motor control using single phase input and GSM.The controller used in this work is a wireless speed control using a GSM technique that proves to be very efficient and reliable in applications.The most common principle is the constant V/Hz principle which requires that the magnitude and frequency of the voltage applied to the stator of a motor maintain a constant ratio. By doing this, the magnitude of the magnetic field in the stator is kept at an approximately constant level throughout the operating range. Thus, maximum constant torque producing capability is maintained. The energy that a switching power converter delivers to a motor is controlled by Pulse Width Modulated signals applied to the gates of the power transistors in H-bridge configuration. PWM signals are pulse trains with fixed frequency and magnitude and variable pulse width. When a PWM signal is applied to the gate of a power transistor, it causes the turn on and turns off intervals of the transistor to change from one PWM period. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=index%20terms%E2%80%94%20PIC" title="index terms— PIC">index terms— PIC</a>, <a href="https://publications.waset.org/abstracts/search?q=GSM%20%28global%20system%20for%20mobile%29" title=" GSM (global system for mobile)"> GSM (global system for mobile)</a>, <a href="https://publications.waset.org/abstracts/search?q=LCD%20%28Liquid%20Crystal%20Display%29" title=" LCD (Liquid Crystal Display)"> LCD (Liquid Crystal Display)</a>, <a href="https://publications.waset.org/abstracts/search?q=IM%20%28Induction%20Motor%29" title=" IM (Induction Motor) "> IM (Induction Motor) </a> </p> <a href="https://publications.waset.org/abstracts/34029/3-phase-induction-motor-control-using-single-phase-input-and-gsm" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34029.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">3397</span> Diversity of Culturable Forms of Microorganisms in Soils with Long-term Exposure to Petroleum Hydrocarbons and Prospects for Bioremediation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yessentayeva%20K.%20Y.">Yessentayeva K. Y.</a>, <a href="https://publications.waset.org/abstracts/search?q=Berzhanova%20R.%20Z."> Berzhanova R. Z.</a>, <a href="https://publications.waset.org/abstracts/search?q=Mukasheva%20T.%20D."> Mukasheva T. D.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this study was to study the microbial diversity of soils with long-standing hydrocarbon pollution in the S. Balgimbayev field (Kazakhstan), where the transformation of meadow coastal soils technogenic solonchak soils, as well as the assessment of the degradation potential of microorganisms perspective for the use for bioremediation. In the present work autochthonous microorganisms of the surface horizon of soils were investigated. In samples with a low degree of pollution the number of microorganisms, was comparable to the number in the uncontaminated soil and was 103 - 104 CFU/g. and one and two orders of magnitude lower in samples with high oil content. A collection of microorganisms was created using different culture media, which made it possible to isolate isolates that play a key role in different successional stages of biodegradation of petroleum hydrocarbons. The collection included the main bacterial filiiments, Protobacteria, Firmicutes, Actinobacteria and Bacteroidetes. Mycelial fungi andyeast-like fungwere assigned to the Ascomycota division. Studies showed that the percentage of isolates capable of growth in hydrocarbons varied. More than 50 % of the isolates grew on crude oil, a low percentage of less than 10 % of the isolates grew on an anthracene, phenanthrene and naphthalene, more than 20 % of the isolates belonging to different genera Pseudomonas, Bacillus, Rhodococcus, Achromobacter, Gordonia, Microbacterium, and Trichosporon, characterized the growth on two or three different hydrocarbons. The ability to grow using all hydrocarbons, associated with the synthesis of biosurfactants, was detected only in a few isolates. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=oil" title="oil">oil</a>, <a href="https://publications.waset.org/abstracts/search?q=soil" title=" soil"> soil</a>, <a href="https://publications.waset.org/abstracts/search?q=number%20of%20bioremediation" title=" number of bioremediation"> number of bioremediation</a>, <a href="https://publications.waset.org/abstracts/search?q=biodegradation" title=" biodegradation"> biodegradation</a>, <a href="https://publications.waset.org/abstracts/search?q=microorganisms" title=" microorganisms"> microorganisms</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrocarbons%20%E2%80%93%20oxidizing%20microorganisms" title=" hydrocarbons – oxidizing microorganisms"> hydrocarbons – oxidizing microorganisms</a> </p> <a href="https://publications.waset.org/abstracts/182428/diversity-of-culturable-forms-of-microorganisms-in-soils-with-long-term-exposure-to-petroleum-hydrocarbons-and-prospects-for-bioremediation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/182428.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">60</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3396</span> Mechanical Properties and Microstructural Analysis of Al6061-Red Mud Composites</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Gangadharappa">M. Gangadharappa</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Ravi%20Kumar"> M. Ravi Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20N.%20Reddappa"> H. N. Reddappa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The mechanical properties and morphological analysis of Al6061-Red mud particulate composites were investigated. The compositions of the composite include a matrix of Al6061 and the red mud particles of 53-75 micron size as reinforcement ranging from 0% to 12% at an interval of 2%. Stir casting technique was used to fabricate Al6061-Red mud composites. Density measurement, estimation of percentage porosity, tensile properties, fracture toughness, hardness value, impact energy, percentage elongation and percentage reduction in area. Further, the microstructures and SEM examinations were investigated to characterize the composites produced. The result shows that a uniform dispersion of the red mud particles along the grain boundaries of the Al6061 alloy. The tensile strength and hardness values increases with the addition of Red mud particles, but there is a slight decrease in the impact energy values, values of percentage elongation and percentage reduction in area as the reinforcement increases. From these results of investigation, we concluded that the red mud, an industrial waste can be used to enhance the properties of Al6061 alloy for engineering applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Al6061" title="Al6061">Al6061</a>, <a href="https://publications.waset.org/abstracts/search?q=red%20mud" title=" red mud"> red mud</a>, <a href="https://publications.waset.org/abstracts/search?q=tensile%20strength" title=" tensile strength"> tensile strength</a>, <a href="https://publications.waset.org/abstracts/search?q=hardness%20and%20microstructures" title=" hardness and microstructures"> hardness and microstructures</a> </p> <a href="https://publications.waset.org/abstracts/22200/mechanical-properties-and-microstructural-analysis-of-al6061-red-mud-composites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22200.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">561</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">3395</span> Estimation of Maximum Earthquake for Gujarat Region, India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ashutosh%20Saxena">Ashutosh Saxena</a>, <a href="https://publications.waset.org/abstracts/search?q=Kumar%20Pallav"> Kumar Pallav</a>, <a href="https://publications.waset.org/abstracts/search?q=Ramji%20Dwivedi"> Ramji Dwivedi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study estimates the seismicity parameter 'b' and maximum possible magnitude of an earthquake (Mmax) for Gujarat region with three well-established methods viz. Kijiko parametric model (KP), Kijiko-Sellevol-Bayern (KSB) and Tapered Gutenberg-Richter (TGR), as a combined seismic source regime. The earthquake catalogue is prepared for a period of 1330 to 2013 in the region Latitudes 20o N to 250 N and Longitudinally extending from 680 to 750 E for earthquake moment magnitude (Mw) ≥4.0. The ’a’ and 'b' value estimated for the region as 4.68 and 0.58. Further, Mmax estimated as 8.54 (± 0.29), 8.69 (± 0.48), and 8.12 with KP, KSB, and TGR, respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mmax" title="Mmax">Mmax</a>, <a href="https://publications.waset.org/abstracts/search?q=seismicity%20parameter" title=" seismicity parameter"> seismicity parameter</a>, <a href="https://publications.waset.org/abstracts/search?q=Gujarat" title=" Gujarat"> Gujarat</a>, <a href="https://publications.waset.org/abstracts/search?q=Tapered%20Gutenberg-Richter" title=" Tapered Gutenberg-Richter "> Tapered Gutenberg-Richter </a> </p> <a href="https://publications.waset.org/abstracts/18662/estimation-of-maximum-earthquake-for-gujarat-region-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18662.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 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