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Bronson</title> <meta name="description" content="Search results for: Brian Bronson"> <meta name="keywords" content="Brian Bronson"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="Brian Bronson" name="q" aria-label="Search"> <button class="btn btn-light my-2 my-sm-0" type="submit"><i class="fas fa-search"></i></button> </form> </div> <div class="collapse navbar-collapse mt-1" id="navbarMenu"> <ul class="navbar-nav ml-auto align-items-center" id="mainNavMenu"> <li class="nav-item"> <a class="nav-link" href="https://waset.org/conferences" title="Conferences in 2024/2025/2026">Conferences</a> </li> <li class="nav-item"> <a class="nav-link" href="https://waset.org/disciplines" title="Disciplines">Disciplines</a> </li> <li 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Brian Bronson"> <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> 95</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Brian Bronson</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">65</span> Exploring Gender Bias in Self-Report Measures of Psychopathy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Katie%20Strong">Katie Strong</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20P.%20O%27Connor"> Brian P. O'Connor</a>, <a href="https://publications.waset.org/abstracts/search?q=Jacqueline%20M.%20Kanippayoor"> Jacqueline M. Kanippayoor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> To date, self-report measures of psychopathy have largely been conceptualized with a male-focused understanding of the disorder, with the presumption that psychopathy expression is uniform across genders. However, generalizing this understanding to the female population may be misleading. The objective of this research was to explore gender differences in the expression of psychopathy and to assess current self-report psychopathy measures for gender bias. It was hypothesized that some items in commonly used measures of psychopathy may show gender bias and that existing measures may not contain enough items that are relevant to the manifestation of psychopathy in women. An exploratory investigation was conducted on statistical bias in common measures of psychopathy, and novel, relevant, but previously neglected items and measures were included in a new data collection. The participant pool included a sample of 403 university students and 354 participants recruited using Amazon Mechanical Turk. Item Response Theory methods - including Differential Item Functioning - were used to assess for the item- and test- level bias across several common self-report measures of psychopathy. Analyses indicated occasional and modest levels of item-level bias, and that some additional female-relevant items merit consideration for inclusion in measures of psychopathy. These findings suggest that current self-report measures of psychopathy may be demonstrating gender-bias and warrant further examination. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=gender" title="gender">gender</a>, <a href="https://publications.waset.org/abstracts/search?q=measurement%20bias" title=" measurement bias"> measurement bias</a>, <a href="https://publications.waset.org/abstracts/search?q=personality" title=" personality"> personality</a>, <a href="https://publications.waset.org/abstracts/search?q=psychopathy" title=" psychopathy"> psychopathy</a> </p> <a href="https://publications.waset.org/abstracts/90586/exploring-gender-bias-in-self-report-measures-of-psychopathy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/90586.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">254</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">64</span> The Effect of Expressive Therapies on Children and Youth Impacted by Refugee Trauma: A Meta-Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Brian%20Kristopher%20Cambra">Brian Kristopher Cambra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Millions of displaced families are seeking refuge in countries that are not their own due to war, violence, persecution, political unrest, and natural disasters. This global crisis is forcing researchers and practitioners to consider how refugees are coping with the trauma associated with their migration process. Effective therapeutic approaches are needed in a global effort to address the traumatic impact of forced migration. This meta-analytical study investigates the effectiveness of expressive therapeutic modalities, including play, art, music, sandplay, theatre, and writing therapies, in helping children and adolescents cope with refugee trauma. Seventeen pre-post and between-group comparison studies were analyzed using a random-effects model. The combined effect size for pre-post comparisons was medium (g = 0.58), whereas the combined effect size for between-group comparisons was small (g = 0.32). Overall, art therapy was found to be most effective in treating stress symptoms. Heterogeneity tests, however, suggest effect sizes cannot be interpreted as meaningful due to substantial variance. Nevertheless, findings of this meta-analysis indicate that expressive therapies may be among beneficial modalities to integrate with other trauma-informed approaches. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=expressive%20therapies" title="expressive therapies">expressive therapies</a>, <a href="https://publications.waset.org/abstracts/search?q=forced%20migration" title=" forced migration"> forced migration</a>, <a href="https://publications.waset.org/abstracts/search?q=meta-analysis" title=" meta-analysis"> meta-analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=refugees" title=" refugees"> refugees</a>, <a href="https://publications.waset.org/abstracts/search?q=trauma" title=" trauma"> trauma</a> </p> <a href="https://publications.waset.org/abstracts/132384/the-effect-of-expressive-therapies-on-children-and-youth-impacted-by-refugee-trauma-a-meta-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/132384.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">147</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">63</span> Leveraging Li-Fi to Enhance Security and Performance of Medical Devices</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Trevor%20Kroeger">Trevor Kroeger</a>, <a href="https://publications.waset.org/abstracts/search?q=Hayden%20Williams"> Hayden Williams</a>, <a href="https://publications.waset.org/abstracts/search?q=Edward%20Holzinger"> Edward Holzinger</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20Coleman"> David Coleman</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20Haberman"> Brian Haberman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The network connectivity of medical devices is increasing at a rapid rate. Many medical devices, such as vital sign monitors, share information via wireless or wired connections. However, these connectivity options suffer from a variety of well-known limitations. Wireless connectivity, especially in the unlicensed radio frequency bands, can be disrupted. Such disruption could be due to benign reasons, such as a crowded spectrum, or to malicious intent. While wired connections are less susceptible to interference, they inhibit the mobility of the medical devices, which could be critical in a variety of scenarios. This work explores the application of Light Fidelity (Li-Fi) communication to enhance the security, performance, and mobility of medical devices in connected healthcare scenarios. A simple bridge for connected devices serves as an avenue to connect traditional medical devices to the Li-Fi network. This bridge was utilized to conduct bandwidth tests on a small Li-Fi network installed into a Mock-ICU setting with a backend enterprise network similar to that of a hospital. Mobile and stationary tests were conducted to replicate various different situations that might occur within a hospital setting. Results show that in room Li-Fi connectivity provides reasonable bandwidth and latency within a hospital like setting. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hospital" title="hospital">hospital</a>, <a href="https://publications.waset.org/abstracts/search?q=light%20fidelity" title=" light fidelity"> light fidelity</a>, <a href="https://publications.waset.org/abstracts/search?q=Li-Fi" title=" Li-Fi"> Li-Fi</a>, <a href="https://publications.waset.org/abstracts/search?q=medical%20devices" title=" medical devices"> medical devices</a>, <a href="https://publications.waset.org/abstracts/search?q=security" title=" security"> security</a> </p> <a href="https://publications.waset.org/abstracts/123891/leveraging-li-fi-to-enhance-security-and-performance-of-medical-devices" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/123891.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">102</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">62</span> An Investigation of Current Potato Nitrogen Fertility Programs' Contribution to Ground Water Contamination</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Brian%20H.%20Marsh">Brian H. Marsh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nitrogen fertility is an important component for optimum potato yield and quality. Best management practices are necessary in regards to N applications to achieve these goals without applying excess N with may contribute to ground water contamination. Eight potato fields in the Southern San Joaquin Valley were sampled for nitrogen inputs and uptake, tuber and vine dry matter and residual soil nitrate-N. The fields had substantial soil nitrate-N prior to the potato crop. Nitrogen fertilizer was applied prior to planting and in irrigation water as needed based on in-season petiole sampling in accordance with published recommendations. Average total nitrogen uptake was 237 kg ha<sup>-1</sup> on 63.5 Mg ha<sup>-1</sup> tuber yield and nitrogen use efficiency was very good at 81 percent. Sixty-nine percent of the plant nitrogen was removed in tubers. Soil nitrate-N increased 14 percent from pre-plant to post-harvest averaged across all fields and was generally situated in the upper soil profile. Irrigation timing and amount applied did not move water into the lower profile except for a single location where nitrate also moved into the lower soil profile. Pre-plant soil analysis is important information to be used. Rotation crops having deeper rooting growth would be able to utilize nitrogen that remained in the soil profile. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=potato" title="potato">potato</a>, <a href="https://publications.waset.org/abstracts/search?q=nitrogen%20fertilization" title=" nitrogen fertilization"> nitrogen fertilization</a>, <a href="https://publications.waset.org/abstracts/search?q=irrigation%20management" title=" irrigation management"> irrigation management</a>, <a href="https://publications.waset.org/abstracts/search?q=leaching%20potential" title=" leaching potential"> leaching potential</a> </p> <a href="https://publications.waset.org/abstracts/33159/an-investigation-of-current-potato-nitrogen-fertility-programs-contribution-to-ground-water-contamination" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33159.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">459</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">61</span> 3D Liver Segmentation from CT Images Using a Level Set Method Based on a Shape and Intensity Distribution Prior</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nuseiba%20M.%20Altarawneh">Nuseiba M. Altarawneh</a>, <a href="https://publications.waset.org/abstracts/search?q=Suhuai%20Luo"> Suhuai Luo</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20Regan"> Brian Regan</a>, <a href="https://publications.waset.org/abstracts/search?q=Guijin%20Tang"> Guijin Tang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Liver segmentation from medical images poses more challenges than analogous segmentations of other organs. This contribution introduces a liver segmentation method from a series of computer tomography images. Overall, we present a novel method for segmenting liver by coupling density matching with shape priors. Density matching signifies a tracking method which operates via maximizing the Bhattacharyya similarity measure between the photometric distribution from an estimated image region and a model photometric distribution. Density matching controls the direction of the evolution process and slows down the evolving contour in regions with weak edges. The shape prior improves the robustness of density matching and discourages the evolving contour from exceeding liver’s boundaries at regions with weak boundaries. The model is implemented using a modified distance regularized level set (DRLS) model. The experimental results show that the method achieves a satisfactory result. By comparing with the original DRLS model, it is evident that the proposed model herein is more effective in addressing the over segmentation problem. Finally, we gauge our performance of our model against matrices comprising of accuracy, sensitivity and specificity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bhattacharyya%20distance" title="Bhattacharyya distance">Bhattacharyya distance</a>, <a href="https://publications.waset.org/abstracts/search?q=distance%20regularized%20level%20set%20%28DRLS%29%20model" title=" distance regularized level set (DRLS) model"> distance regularized level set (DRLS) model</a>, <a href="https://publications.waset.org/abstracts/search?q=liver%20segmentation" title=" liver segmentation"> liver segmentation</a>, <a href="https://publications.waset.org/abstracts/search?q=level%20set%20method" title=" level set method"> level set method</a> </p> <a href="https://publications.waset.org/abstracts/35588/3d-liver-segmentation-from-ct-images-using-a-level-set-method-based-on-a-shape-and-intensity-distribution-prior" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35588.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">313</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">60</span> The Effect of Feedstock Powder Treatment / Processing on the Microstructure, Quality, and Performance of Thermally Sprayed Titanium Based Composite Coating</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Asma%20Salman">Asma Salman</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20Gabbitas"> Brian Gabbitas</a>, <a href="https://publications.waset.org/abstracts/search?q=Peng%20Cao"> Peng Cao</a>, <a href="https://publications.waset.org/abstracts/search?q=Deliang%20Zhang"> Deliang Zhang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The performance of a coating is strongly dependent upon its microstructure, which in turn is dependent on the characteristics of the feedstock powder. This study involves the evaluation and performance of a titanium-based composite coating produced by the HVOF (high-velocity oxygen fuel) spraying method. The feedstock for making the composite coating was produced using high energy mechanical milling of TiO2 and Al powders followed by a combustion reaction. The characteristics of the feedstock powder were improved by treating it with an organic binder. Two types of coatings were produced using treated and untreated feedstock powders. The microstructures and characteristics of both types of coatings were studied, and their thermal shock resistance was accessed by dipping into molten aluminum. The results of this study showed that feedstock treatment did not have a significant effect on the microstructure of the coatings. However, it did affect the uniformity, thickness and surface roughness of the coating on the steel substrate. A coating produced by an untreated feedstock showed better thermal shock resistance in molten aluminum compared with the one produced by PVA (polyvinyl alcohol) treatment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coating" title="coating">coating</a>, <a href="https://publications.waset.org/abstracts/search?q=feedstock" title=" feedstock"> feedstock</a>, <a href="https://publications.waset.org/abstracts/search?q=powder%20processing" title=" powder processing"> powder processing</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20shock%20resistance" title=" thermal shock resistance"> thermal shock resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=thermally%20spraying" title=" thermally spraying"> thermally spraying</a> </p> <a href="https://publications.waset.org/abstracts/62969/the-effect-of-feedstock-powder-treatment-processing-on-the-microstructure-quality-and-performance-of-thermally-sprayed-titanium-based-composite-coating" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62969.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">272</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">59</span> Exploring Mental Health Triggers, Challenges, and Support Across Different Roles in the UK Construction Industry: Perspectives from Clients, Consultants, and Contractors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abigail%20Amoah">Abigail Amoah</a>, <a href="https://publications.waset.org/abstracts/search?q=George%20Ofori"> George Ofori</a>, <a href="https://publications.waset.org/abstracts/search?q=George%20Agyekum-Mensah"> George Agyekum-Mensah</a>, <a href="https://publications.waset.org/abstracts/search?q=Matthew%20Brian%20Wright"> Matthew Brian Wright</a>, <a href="https://publications.waset.org/abstracts/search?q=Job%20Momoh"> Job Momoh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this study was to examine the mental health triggers, challenges, and support for mental health needs within the UK construction industry, which is seen as one of the high-pressure working environments with jobs that can be physically demanding and, traditionally, suffer from ‘Macho’ culture. The sector makes a substantial contribution to the UK’s economy, but despite this economic significance, mental health issues are still thoroughly attended to due to stigmatisation. Through semi-structured interviews with clients, consultants, and contractors, the research helps to understand better how mental health is perceived by these key stakeholders in the UK construction industry. Clients identify high-pressure deadlines and financial risks as major stressors, consultants point to the incessant workload culture coupled with project constraints, and contractors emphasize insufficient resource concerns and physical demands. this study reveals significant organisational and cultural barriers to mental health. The study proposes the following recommendations: the need to implement bespoke mental health programmes for the industry, better communication channels, and implementing industry-standard policies to enhance a supportive environment. These specifications provide actionable insights to support well-being and productivity within the sector. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=construction%20industry" title="construction industry">construction industry</a>, <a href="https://publications.waset.org/abstracts/search?q=mental%20health" title=" mental health"> mental health</a>, <a href="https://publications.waset.org/abstracts/search?q=supportive%20mechanisms" title=" supportive mechanisms"> supportive mechanisms</a>, <a href="https://publications.waset.org/abstracts/search?q=workplace%20stress" title=" workplace stress"> workplace stress</a> </p> <a href="https://publications.waset.org/abstracts/190593/exploring-mental-health-triggers-challenges-and-support-across-different-roles-in-the-uk-construction-industry-perspectives-from-clients-consultants-and-contractors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/190593.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">29</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">58</span> Beyond the Dust: Workers' Perspectives on Enhancing Silica Exposure Control in Tunnel Construction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Frederick%20Anlimah">Frederick Anlimah</a>, <a href="https://publications.waset.org/abstracts/search?q=Vinod%20Gopaldasani"> Vinod Gopaldasani</a>, <a href="https://publications.waset.org/abstracts/search?q=Catherine%20MacPhail"> Catherine MacPhail</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20Davies"> Brian Davies</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The construction industry, particularly tunnel construction, exposes workers to respirable crystalline silica (RCS), which can cause incurable illnesses such as silicosis and lung cancer. Despite various control measures, exposures remain inadequately controlled. This research aimed to examine what workers on a tunnelling project in Australia think should be done to reduce exposure to dust to protect them from RCS exposure. A qualitative research approach consisting of interviews and focus group discussions was employed for this research. The preliminary analysis of the data reveals a diverse array of solutions proposed to address the different sociotechnical factors that present challenges for effectively reducing dust exposure. Solutions are proposed to address challenges such as cost, time pressure, low-risk perception, inadequate awareness, inadequate enforcement and compliance with personal protective equipment. The findings highlight the need to make dust control a level playing field for all contractors during the bidding process, with more collaboration and enforcement after the signing of contracts. The research highlights that although improvements have been made in the past years regarding dust controls, many opportunities exist to reduce worker exposure to RCS. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tunnel" title="tunnel">tunnel</a>, <a href="https://publications.waset.org/abstracts/search?q=respirable%20crystalline%20silica" title=" respirable crystalline silica"> respirable crystalline silica</a>, <a href="https://publications.waset.org/abstracts/search?q=RCS" title=" RCS"> RCS</a>, <a href="https://publications.waset.org/abstracts/search?q=dust%20exposure" title=" dust exposure"> dust exposure</a>, <a href="https://publications.waset.org/abstracts/search?q=personal%20protective%20equipment" title=" personal protective equipment"> personal protective equipment</a>, <a href="https://publications.waset.org/abstracts/search?q=worker%20perspectives" title=" worker perspectives"> worker perspectives</a> </p> <a href="https://publications.waset.org/abstracts/177375/beyond-the-dust-workers-perspectives-on-enhancing-silica-exposure-control-in-tunnel-construction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/177375.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">57</span> Use of Electrokinetic Technology to Enhance Chemical and Biological Remediation of Contaminated Sands and Soils</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Brian%20Wartell">Brian Wartell</a>, <a href="https://publications.waset.org/abstracts/search?q=Michel%20Boufadel"> Michel Boufadel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Contaminants such as polycyclic aromatic hydrocarbons (PAHs) are compounds present in crude and petroleum oils and are known to be toxic and often carcinogenic. Therefore, a major effort is placed on tracking their subsurface soil concentrations following an oil spill. The PAHs can persist for years in the subsurface especially if there is a lack of oxygen. Both aerobic and anaerobic biodegradation of PAHs encounter the difficulties of both nutrient transport and bioavailability (proximal access) to the organisms of the contaminants. A technology, known as electrokinetics (EK or EK-BIO for ‘electrokinetic bioremediation’) has been found to transport efficiently nutrients or other chemicals in the subsurface. Experiments were conducted to demonstrate migration patterns in both sands and clay for both ionic and nonionic compounds and aerobic biodegradation studies were conducted with soil spiked with Polycyclic Aromatic Hydrocarbons yielding interesting results. In one set of experiment, Self-designed electrokinetic setups were constructed to examine the differences in electromigration and electroosmotic rates. Anionic and non-ionic dyes were used to visualize these phenomena, respectively. In another experiment, a silt-clay soil was spiked with three low-molecular-weight compounds (fluorene, phenanthrene, fluoranthene) and placed within self-designed electrokinetic setups and monitored for aerobic degradation. Plans for additional studies are in progress including the transport of peroxide through anaerobic sands. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bioavailability" title="bioavailability">bioavailability</a>, <a href="https://publications.waset.org/abstracts/search?q=bioremediation" title=" bioremediation"> bioremediation</a>, <a href="https://publications.waset.org/abstracts/search?q=electrokinetics" title=" electrokinetics"> electrokinetics</a>, <a href="https://publications.waset.org/abstracts/search?q=subsurface%20transport" title=" subsurface transport"> subsurface transport</a> </p> <a href="https://publications.waset.org/abstracts/90344/use-of-electrokinetic-technology-to-enhance-chemical-and-biological-remediation-of-contaminated-sands-and-soils" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/90344.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">155</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">56</span> Application of Bim Model Data to Estimate ROI for Robots and Automation in Construction Projects</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Brian%20Romansky">Brian Romansky</a> </p> <p class="card-text"><strong>Abstract:</strong></p> There are many practical, commercially available robots and semi-autonomous systems that are currently available for use in a wide variety of construction tasks. Adoption of these technologies has the potential to reduce the time and cost to deliver a project, reduce variability and risk in delivery time, increase quality, and improve safety on the job site. These benefits come with a cost for equipment rental or contract fees, access to specialists to configure the system, and time needed for set-up and support of the machines while in use. Calculation of the net ROI (Return on Investment) requires detailed information about the geometry of the site, the volume of work to be done, the overall project schedule, as well as data on the capabilities and past performance of available robotic systems. Assembling the required data and comparing the ROI for several options is complex and tedious. Many project managers will only consider the use of a robot in targeted applications where the benefits are obvious, resulting in low levels of adoption of automation in the construction industry. This work demonstrates how data already resident in many BIM (Building Information Model) projects can be used to automate ROI estimation for a sample set of commercially available construction robots. Calculations account for set-up and operating time along with scheduling support tasks required while the automated technology is in use. Configuration parameters allow for prioritization of time, cost, or safety as the primary benefit of the technology. A path toward integration and use of automatic ROI calculation with a database of available robots in a BIM platform is described. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=automation" title="automation">automation</a>, <a href="https://publications.waset.org/abstracts/search?q=BIM" title=" BIM"> BIM</a>, <a href="https://publications.waset.org/abstracts/search?q=robot" title=" robot"> robot</a>, <a href="https://publications.waset.org/abstracts/search?q=ROI." title=" ROI."> ROI.</a> </p> <a href="https://publications.waset.org/abstracts/166420/application-of-bim-model-data-to-estimate-roi-for-robots-and-automation-in-construction-projects" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/166420.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">87</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">55</span> Optimization of Highly Oriented Pyrolytic Graphite Crystals for Neutron Optics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hao%20Qu">Hao Qu</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiang%20Liu"> Xiang Liu</a>, <a href="https://publications.waset.org/abstracts/search?q=Michael%20Crosby"> Michael Crosby</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20Kozak"> Brian Kozak</a>, <a href="https://publications.waset.org/abstracts/search?q=Andreas%20K.%20Freund"> Andreas K. Freund</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The outstanding performance of highly oriented pyrolytic graphite (HOPG) as an optical element for neutron beam conditioning is unequaled by any other crystalline material in the applications of monochromator, analyzer, and filter. This superiority stems from the favorable nuclear properties of carbon (small absorption and incoherent scattering cross-sections, big coherent scattering length) and the specific crystalline structure (small thermal diffuse scattering cross-section, layered crystal structure). The real crystal defect structure revealed by imaging techniques is correlated with the parameters used in the mosaic model (mosaic spread, mosaic block size, uniformity). The diffraction properties (rocking curve width as determined by both the intrinsic mosaic spread and the diffraction process, peak and integrated reflectivity, filter transmission) as a function of neutron wavelength or energy can be predicted with high accuracy and reliability by diffraction theory using empirical primary extinction coefficients extracted from a great amount of existing experimental data. The results of these calculations are given as graphs and tables permitting to optimize HOPG characteristics (mosaic spread, thickness, curvature) for any given experimental situation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=neutron%20optics" title="neutron optics">neutron optics</a>, <a href="https://publications.waset.org/abstracts/search?q=pyrolytic%20graphite" title=" pyrolytic graphite"> pyrolytic graphite</a>, <a href="https://publications.waset.org/abstracts/search?q=mosaic%20spread" title=" mosaic spread"> mosaic spread</a>, <a href="https://publications.waset.org/abstracts/search?q=neutron%20scattering" title=" neutron scattering"> neutron scattering</a>, <a href="https://publications.waset.org/abstracts/search?q=monochromator" title=" monochromator"> monochromator</a>, <a href="https://publications.waset.org/abstracts/search?q=analyzer" title=" analyzer"> analyzer</a> </p> <a href="https://publications.waset.org/abstracts/131609/optimization-of-highly-oriented-pyrolytic-graphite-crystals-for-neutron-optics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/131609.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">142</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">54</span> Gan Nanowire-Based Sensor Array for the Detection of Cross-Sensitive Gases Using Principal Component Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ashfaque%20Hossain%20Khan">Ashfaque Hossain Khan</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20Thomson"> Brian Thomson</a>, <a href="https://publications.waset.org/abstracts/search?q=Ratan%20Debnath"> Ratan Debnath</a>, <a href="https://publications.waset.org/abstracts/search?q=Abhishek%20Motayed"> Abhishek Motayed</a>, <a href="https://publications.waset.org/abstracts/search?q=Mulpuri%20V.%20Rao"> Mulpuri V. Rao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Though the efforts had been made, the problem of cross-sensitivity for a single metal oxide-based sensor can’t be fully eliminated. In this work, a sensor array has been designed and fabricated comprising of platinum (Pt), copper (Cu), and silver (Ag) decorated TiO2 and ZnO functionalized GaN nanowires using industry-standard top-down fabrication approach. The metal/metal-oxide combinations within the array have been determined from prior molecular simulation study using first principle calculations based on density functional theory (DFT). The gas responses were obtained for both single and mixture of NO2, SO2, ethanol, and H2 in the presence of H2O and O2 gases under UV light at room temperature. Each gas leaves a unique response footprint across the array sensors by which precise discrimination of cross-sensitive gases has been achieved. An unsupervised principal component analysis (PCA) technique has been implemented on the array response. Results indicate that each gas forms a distinct cluster in the score plot for all the target gases and their mixtures, indicating a clear separation among them. In addition, the developed array device consumes very low power because of ultra-violet (UV) assisted sensing as compared to commercially available metal-oxide sensors. The nanowire sensor array, in combination with PCA, is a potential approach for precise real-time gas monitoring applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cross-sensitivity" title="cross-sensitivity">cross-sensitivity</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20sensor" title=" gas sensor"> gas sensor</a>, <a href="https://publications.waset.org/abstracts/search?q=principle%20component%20analysis%20%28PCA%29" title=" principle component analysis (PCA)"> principle component analysis (PCA)</a>, <a href="https://publications.waset.org/abstracts/search?q=sensor%20array" title=" sensor array"> sensor array</a> </p> <a href="https://publications.waset.org/abstracts/118468/gan-nanowire-based-sensor-array-for-the-detection-of-cross-sensitive-gases-using-principal-component-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/118468.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">53</span> Institutional Design for Managing Irrigation Problems: A Case Study of Farmers'- and Agency-Managed Irrigation Systems of Nepal</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tirtha%20Raj%20Dhakal">Tirtha Raj Dhakal</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20Davidson"> Brian Davidson</a>, <a href="https://publications.waset.org/abstracts/search?q=Bob%20Farquharson"> Bob Farquharson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Institutional design is an important aspect in efficient water resource management. In Nepal, the water supply in both farmers’- and agency-managed irrigation systems has become sub-standard because of the weak institutional framework. This study characterizes both forms of the schemes and links existing institution and governance of the schemes with its performance with reference to cost recovery, maintenance of the schemes and water distribution throughout the schemes. For this, two types of surveys were conducted. A management survey of ten farmers’-managed and five agency-managed schemes of Chitwan valley and its periphery was done. Also, a farm survey comprising 25 farmers from each of head, middle and tail regions of both schemes; Narayani Lift Irrigation Project (agency-managed) and Khageri Irrigation System (farmers’-managed) of Chitwan Valley as a case study was conducted. The results showed that cost recovery of agency-managed schemes in 2015 was less than two percent whereas service fee collection rate in farmers’-managed schemes was nearly 2/3rd that triggered poor maintenance of the schemes and unequal distribution of water throughout the schemes. Also, the institution on practice is unable to create any incentives for farmers for economical use of water as well as willingness to pay for its use. This, thus, compels the need of refined institutional framework which has been suggested in this paper aiming to improve the cost recovery and better water distribution throughout the irrigation schemes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cost%20recovery" title="cost recovery">cost recovery</a>, <a href="https://publications.waset.org/abstracts/search?q=governance" title=" governance"> governance</a>, <a href="https://publications.waset.org/abstracts/search?q=institution" title=" institution"> institution</a>, <a href="https://publications.waset.org/abstracts/search?q=schemes%27%20performance" title=" schemes' performance"> schemes' performance</a> </p> <a href="https://publications.waset.org/abstracts/54452/institutional-design-for-managing-irrigation-problems-a-case-study-of-farmers-and-agency-managed-irrigation-systems-of-nepal" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54452.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">260</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">52</span> Patent on Brian: Brain Waves Stimulation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jalil%20Qoulizadeh">Jalil Qoulizadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Hasan%20Sadeghi"> Hasan Sadeghi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Brain waves are electrical wave patterns that are produced in the human brain. Knowing these waves and activating them can have a positive effect on brain function and ultimately create an ideal life. The brain has the ability to produce waves from 0.1 to above 65 Hz. (The Beta One device produces exactly these waves) This is because it is said that the waves produced by the Beta One device exactly match the waves produced by the brain. The function and method of this device is based on the magnetic stimulation of the brain. The technology used in the design and producƟon of this device works in a way to strengthen and improve the frequencies of brain waves with a pre-defined algorithm according to the type of requested function, so that the person can access the expected functions in life activities. to perform better. The effect of this field on neurons and their stimulation: In order to evaluate the effect of this field created by the device, on the neurons, the main tests are by conducting electroencephalography before and after stimulation and comparing these two baselines by qEEG or quantitative electroencephalography method using paired t-test in 39 subjects. It confirms the significant effect of this field on the change of electrical activity recorded after 30 minutes of stimulation in all subjects. The Beta One device is able to induce the appropriate pattern of the expected functions in a soft and effective way to the brain in a healthy and effective way (exactly in accordance with the harmony of brain waves), the process of brain activities first to a normal state and then to a powerful one. Production of inexpensive neuroscience equipment (compared to existing rTMS equipment) Magnetic brain stimulation for clinics - homes - factories and companies - professional sports clubs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=stimulation" title="stimulation">stimulation</a>, <a href="https://publications.waset.org/abstracts/search?q=brain" title=" brain"> brain</a>, <a href="https://publications.waset.org/abstracts/search?q=waves" title=" waves"> waves</a>, <a href="https://publications.waset.org/abstracts/search?q=betaOne" title=" betaOne"> betaOne</a> </p> <a href="https://publications.waset.org/abstracts/160354/patent-on-brian-brain-waves-stimulation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160354.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">81</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">51</span> Use of Chlorophyll Meters to Assess In-Season Wheat Nitrogen Fertilizer Requirements in the Southern San Joaquin Valley</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Brian%20Marsh">Brian Marsh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nitrogen fertilizer is the most used and often the most mismanaged nutrient input. Nitrogen management has tremendous implications on crop productivity, quality and environmental stewardship. Sufficient nitrogen is needed to optimum yield and quality. Soil and in-season plant tissue testing for nitrogen status are a time consuming and expensive process. Real time sensing of plant nitrogen status can be a useful tool in managing nitrogen inputs. The objectives of this project were to assess the reliability of remotely sensed non-destructive plant nitrogen measurements compared to wet chemistry data from sampled plant tissue, develop in-season nitrogen recommendations based on remotely sensed data for improved nitrogen use efficiency and assess the potential for determining yield and quality from remotely sensed data. Very good correlations were observed between early-season remotely sensed crop nitrogen status and plant nitrogen concentrations and subsequent in-season fertilizer recommendations. The transmittance/absorbance type meters gave the most accurate readings. Early in-season fertilizer recommendation would be to apply 40 kg nitrogen per hectare plus 16 kg nitrogen per hectare for each unit difference measured with the SPAD meter between the crop and reference area or 25 kg plus 13 kg per hectare for each unit difference measured with the CCM 200. Once the crop was sufficiently fertilized meter readings became inconclusive and were of no benefit for determining nitrogen status, silage yield and quality and grain yield and protein. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=wheat" title="wheat">wheat</a>, <a href="https://publications.waset.org/abstracts/search?q=nitrogen%20fertilization" title=" nitrogen fertilization"> nitrogen fertilization</a>, <a href="https://publications.waset.org/abstracts/search?q=chlorophyll%20meter" title=" chlorophyll meter"> chlorophyll meter</a> </p> <a href="https://publications.waset.org/abstracts/18164/use-of-chlorophyll-meters-to-assess-in-season-wheat-nitrogen-fertilizer-requirements-in-the-southern-san-joaquin-valley" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18164.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">393</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">50</span> The Effect of Multi-Stakeholder Extension Services towards Crop Choice and Farmer's Income, the Case of the Arc High Value Crop Programme</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Sello%20Kau">Joseph Sello Kau</a>, <a href="https://publications.waset.org/abstracts/search?q=Elias%20Mashayamombe"> Elias Mashayamombe</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20Washington%20Madinkana"> Brian Washington Madinkana</a>, <a href="https://publications.waset.org/abstracts/search?q=Cynthia%20Ngwane"> Cynthia Ngwane</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the results for the statistical (stepwise linear regression and multiple regression) analyses, carried out on a number of crops in order to evaluate how the decision for crop choice affect the level of farm income generated by the farmers participating in the High Value Crop production (referred to as the HVC). The goal of the HVC is to encourage farmers cultivate fruit crops. The farmers received planting material from different extension agencies, together with other complementary packages such as fertilizer, garden tools, water tanks etc. During the surveys, it was discovered that a significant number of farmers were cultivating traditional crops even when their plot sizes were small. Traditional crops are competing for resources with high value crops. The results of the analyses show that farmers cultivating fruit crops, maize and potatoes were generating high income than those cultivating spinach and cabbage. High farm income is associated with plot size, access to social grants and gender. Choice for a crop is influenced by the availability of planting material and the market potential for the crop. Extension agencies providing the planting materials stand a good chance of having farmers follow their directives. As a recommendation, for the farmers to cultivate more of the HVCs, the ARC must intensify provision of fruit trees. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=farm%20income" title="farm income">farm income</a>, <a href="https://publications.waset.org/abstracts/search?q=nature%20of%20extension%20services" title=" nature of extension services"> nature of extension services</a>, <a href="https://publications.waset.org/abstracts/search?q=type%20of%20crops%20cultivated" title=" type of crops cultivated"> type of crops cultivated</a>, <a href="https://publications.waset.org/abstracts/search?q=fruit%20crops" title=" fruit crops"> fruit crops</a>, <a href="https://publications.waset.org/abstracts/search?q=cabbage" title=" cabbage"> cabbage</a>, <a href="https://publications.waset.org/abstracts/search?q=maize" title=" maize"> maize</a>, <a href="https://publications.waset.org/abstracts/search?q=potato%20and%20spinach" title=" potato and spinach"> potato and spinach</a> </p> <a href="https://publications.waset.org/abstracts/41764/the-effect-of-multi-stakeholder-extension-services-towards-crop-choice-and-farmers-income-the-case-of-the-arc-high-value-crop-programme" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41764.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">323</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">49</span> Environmental Controls on the Distribution of Intertidal Foraminifers in Sabkha Al-Kharrar, Saudi Arabia: Implications for Sea-Level Changes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Talha%20A.%20Al-Dubai">Talha A. Al-Dubai</a>, <a href="https://publications.waset.org/abstracts/search?q=Rashad%20A.%20Bantan"> Rashad A. Bantan</a>, <a href="https://publications.waset.org/abstracts/search?q=Ramadan%20H.%20Abu-Zied"> Ramadan H. Abu-Zied</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20G.%20Jones"> Brian G. Jones</a>, <a href="https://publications.waset.org/abstracts/search?q=Aaid%20G.%20Al-Zubieri"> Aaid G. Al-Zubieri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Contemporary foraminiferal samples sediments were collected from the intertidal sabkha of Al-Kharrar Lagoon, Saudi Arabia, to study the vertical distribution of Foraminifera and, based on a modern training set, their potential to develop a predictor of former sea-level changes in the area. Based on hierarchical cluster analysis, the intertidal sabkha is divided into three vertical zones (A, B & C) represented by three foraminiferal assemblages, where agglutinated species occupied Zone A and calcareous species occupied the other two zones. In Zone A (high intertidal), Agglutinella compressa, Clavulina angularis and C. multicamerata are dominant species with a minor presence of Peneroplis planatus, Coscinospira hemprichii, Sorites orbiculus, Quinqueloculina lamarckiana, Q. seminula, Ammonia convexa and A. tepida. In contrast, in Zone B (middle intertidal) the most abundant species are P. planatus, C. hemprichii, S. orbiculus, Q. lamarckiana, Q. seminula and Q. laevigata, while Zone C (low intertidal) is characterised by C. hemprichii, Q. costata, S. orbiculus, P. planatus, A. convexa, A. tepida, Spiroloculina communis and S. costigera. A transfer function for sea-level reconstruction was developed using a modern dataset of 75 contemporary sediment samples and 99 species collected from several transects across the sabkha. The model provided an error of 0.12m, suggesting that intertidal foraminifers are able to predict the past sea-level changes with high precision in Al-Kharrar Lagoon, and thus the future prediction of those changes in the area. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lagoonal%20foraminifers" title="Lagoonal foraminifers">Lagoonal foraminifers</a>, <a href="https://publications.waset.org/abstracts/search?q=intertidal%20sabkha" title=" intertidal sabkha"> intertidal sabkha</a>, <a href="https://publications.waset.org/abstracts/search?q=vertical%20zonation" title=" vertical zonation"> vertical zonation</a>, <a href="https://publications.waset.org/abstracts/search?q=transfer%20function" title=" transfer function"> transfer function</a>, <a href="https://publications.waset.org/abstracts/search?q=sea%20level" title=" sea level"> sea level</a> </p> <a href="https://publications.waset.org/abstracts/141718/environmental-controls-on-the-distribution-of-intertidal-foraminifers-in-sabkha-al-kharrar-saudi-arabia-implications-for-sea-level-changes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141718.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">169</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">48</span> The Gold Standard Treatment Plan for Vitiligo: A Review on Conventional and Updated Treatment Methods</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kritin%20K.%20Verma">Kritin K. Verma</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20L.%20Ransdell"> Brian L. Ransdell</a> </p> <p class="card-text"><strong>Abstract:</strong></p> White patches are a symptom of vitiligo, a chronic autoimmune dermatological condition that causes a loss of pigmentation in the skin. Vitiligo can cause issues of self-esteem and quality of life while also progressing the development of other autoimmune diseases. Current treatments in allopathy and homeopathy exist; some treatments have been found to be toxic, whereas others have been helpful. Allopathy has seemed to offer several treatment plans, such as phototherapy, skin lightening preparations, immunosuppressive drugs, combined modality therapy, and steroid medications to improve vitiligo. This presentation will review the FDA-approved topical cream, Opzelura, a JAK inhibitor, and its effects on limiting vitiligo progression. Meanwhile, other non-conventional methods, such as Arsenic Sulphuratum Flavum used in homeopathy, will be debunked based on current literature. Most treatments still serve to arrest progression and induce skin repigmentation. Treatment plans may differ between patients due to depigmentation location on the skin. Since there is no gold standard plan for treating patients with vitiligo, the oral presentation will review all topical and systemic pharmacological therapies that fight the depigmentation of the skin and categorize their validity from a systematic review of the literature. Since treatment plans are limited in nature, all treatment methods will be mentioned and an attempt will be made to make a golden standard treatment process for these patients. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=vitiligo" title="vitiligo">vitiligo</a>, <a href="https://publications.waset.org/abstracts/search?q=phototherapy" title=" phototherapy"> phototherapy</a>, <a href="https://publications.waset.org/abstracts/search?q=immunosuppressive%20drugs" title=" immunosuppressive drugs"> immunosuppressive drugs</a>, <a href="https://publications.waset.org/abstracts/search?q=skin%20lightening%20preparations" title=" skin lightening preparations"> skin lightening preparations</a>, <a href="https://publications.waset.org/abstracts/search?q=combined%20modality%20therapy" title=" combined modality therapy"> combined modality therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=arsenic%20sulphuratum%20flavum" title=" arsenic sulphuratum flavum"> arsenic sulphuratum flavum</a>, <a href="https://publications.waset.org/abstracts/search?q=homeopathy" title=" homeopathy"> homeopathy</a>, <a href="https://publications.waset.org/abstracts/search?q=allopathy" title=" allopathy"> allopathy</a>, <a href="https://publications.waset.org/abstracts/search?q=golden%20standard" title=" golden standard"> golden standard</a>, <a href="https://publications.waset.org/abstracts/search?q=Opzelura" title=" Opzelura"> Opzelura</a> </p> <a href="https://publications.waset.org/abstracts/156036/the-gold-standard-treatment-plan-for-vitiligo-a-review-on-conventional-and-updated-treatment-methods" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156036.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">87</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">47</span> Photomicrograph-Based Neuropathology Consultation in Tanzania; The Utility of Static-Image Neurotelepathology in Low- And Middle-Income Countries</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Francis%20Zerd">Francis Zerd</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20E.%20Moore"> Brian E. Moore</a>, <a href="https://publications.waset.org/abstracts/search?q=Atuganile%20E.%20Malango"> Atuganile E. Malango</a>, <a href="https://publications.waset.org/abstracts/search?q=Patrick%20W.%20Hosokawa"> Patrick W. Hosokawa</a>, <a href="https://publications.waset.org/abstracts/search?q=Kevin%20O.%20Lillehei"> Kevin O. Lillehei</a>, <a href="https://publications.waset.org/abstracts/search?q=Laurence%20Lemery%20Mchome"> Laurence Lemery Mchome</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Ryan%20%20Ormond"> D. Ryan Ormond</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Since neuropathologic diagnosis in the developing world is hampered by limitations in technical infrastructure, trained laboratory personnel, and subspecialty-trained pathologists, the use of telepathology for diagnostic support, second-opinion consultations, and ongoing training holds promise as a means of addressing these challenges. This research aims to assess the utility of static teleneuropathology in improving neuropathologic diagnoses in low- and middle-income countries. Methods: Consecutive neurosurgical biopsy and resection specimens obtained at Muhimbili National Hospital in Tanzania between July 1, 2018, and June 30, 2019, were selected for retrospective, blinded static-image neuropathologic review followed by on-site review by an expert neuropathologist. Results: A total of 75 neuropathologic cases were reviewed. The agreement of static images and on-site glass diagnosis was 71% with strict criteria and 88% with less stringent criteria. This represents an overall improvement in diagnostic accuracy from 36% by general pathologists to 71% by a neuropathologist using static telepathology (or 76% to 88% with less stringent criteria). Conclusions: Telepathology offers a suitable means of providing diagnostic support, second-opinion consultations, and ongoing training to pathologists practicing in resource-limited countries. Moreover, static digital teleneuropathology is an uncomplicated, cost-effective, and reliable way to achieve these goals. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=neuropathology" title="neuropathology">neuropathology</a>, <a href="https://publications.waset.org/abstracts/search?q=resource-limited%20settings" title=" resource-limited settings"> resource-limited settings</a>, <a href="https://publications.waset.org/abstracts/search?q=static%20image" title=" static image"> static image</a>, <a href="https://publications.waset.org/abstracts/search?q=Tanzania" title=" Tanzania"> Tanzania</a>, <a href="https://publications.waset.org/abstracts/search?q=teleneuropathology" title=" teleneuropathology"> teleneuropathology</a> </p> <a href="https://publications.waset.org/abstracts/137445/photomicrograph-based-neuropathology-consultation-in-tanzania-the-utility-of-static-image-neurotelepathology-in-low-and-middle-income-countries" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/137445.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">102</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">46</span> Wellbeing Warriors: A Randomized Controlled Trial Examining the Effect of Martial Arts Training on Mental Health Outcomes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Brian%20Moore">Brian Moore</a>, <a href="https://publications.waset.org/abstracts/search?q=Stuart%20Woodcock"> Stuart Woodcock</a>, <a href="https://publications.waset.org/abstracts/search?q=Dean%20Dudley"> Dean Dudley</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mental health problems have significant social and economic consequences; however, many individuals do not seek traditional assistance for mental health difficulties. Martial arts training may provide an inexpensive alternative to traditional psychological therapy. While limited research has suggested martial arts training may be an efficacious intervention, the validity and reliability of this are questionable given the small number of relevant studies and other methodological problems. The study examined the effects of 10-week martial arts-based psycho-social intervention which was evaluated using a randomized controlled trial. The intervention was delivered to 283 secondary school students, aged between 12-14 years, who were recruited from government and catholic secondary schools in New South Wales, Australia. The intervention was delivered in a group format onsite at participating schools and had an intervention dose of 10 x 50-60 minute sessions, once per week for 10 weeks. Data were collected at baseline, post-intervention, and 12-week follow-up. Results found a consistent pattern for strength based wellbeing outcomes. All primary and secondary measures relating to resilience and self-efficacy improved for the intervention group and declined for the control group. As these findings were derived from a robust design and rigorous evaluation, they provide valid and reliable evidence that martial arts-based psycho-social interventions can be considered as an efficacious method of improving strength and wellbeing outcomes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=martial%20arts" title="martial arts">martial arts</a>, <a href="https://publications.waset.org/abstracts/search?q=mental%20health" title=" mental health"> mental health</a>, <a href="https://publications.waset.org/abstracts/search?q=resilience" title=" resilience"> resilience</a>, <a href="https://publications.waset.org/abstracts/search?q=self-efficacy" title=" self-efficacy"> self-efficacy</a> </p> <a href="https://publications.waset.org/abstracts/102686/wellbeing-warriors-a-randomized-controlled-trial-examining-the-effect-of-martial-arts-training-on-mental-health-outcomes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102686.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">160</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">45</span> Evaluating the Validity of CFD Model of Dispersion in a Complex Urban Geometry Using Two Sets of Experimental Measurements</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20R.%20Kavian%20Nezhad">Mohammad R. Kavian Nezhad</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20F.%20Lange"> Carlos F. Lange</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20A.%20Fleck"> Brian A. Fleck</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research presents the validation study of a computational fluid dynamics (CFD) model developed to simulate the scalar dispersion emitted from rooftop sources around the buildings at the University of Alberta North Campus. The ANSYS CFX code was used to perform the numerical simulation of the wind regime and pollutant dispersion by solving the 3D steady Reynolds-averaged Navier-Stokes (RANS) equations on a building-scale high-resolution grid. The validation study was performed in two steps. First, the CFD model performance in 24 cases (eight wind directions and three wind speeds) was evaluated by comparing the predicted flow fields with the available data from the previous measurement campaign designed at the North Campus, using the standard deviation method (SDM), while the estimated results of the numerical model showed maximum average percent errors of approximately 53% and 37% for wind incidents from the North and Northwest, respectively. Good agreement with the measurements was observed for the other six directions, with an average error of less than 30%. In the second step, the reliability of the implemented turbulence model, numerical algorithm, modeling techniques, and the grid generation scheme was further evaluated using the Mock Urban Setting Test (MUST) dispersion dataset. Different statistical measures, including the fractional bias (FB), the geometric mean bias (MG), and the normalized mean square error (NMSE), were used to assess the accuracy of the predicted dispersion field. Our CFD results are in very good agreement with the field measurements. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CFD" title="CFD">CFD</a>, <a href="https://publications.waset.org/abstracts/search?q=plume%20dispersion" title=" plume dispersion"> plume dispersion</a>, <a href="https://publications.waset.org/abstracts/search?q=complex%20urban%20geometry" title=" complex urban geometry"> complex urban geometry</a>, <a href="https://publications.waset.org/abstracts/search?q=validation%20study" title=" validation study"> validation study</a>, <a href="https://publications.waset.org/abstracts/search?q=wind%20flow" title=" wind flow"> wind flow</a> </p> <a href="https://publications.waset.org/abstracts/142973/evaluating-the-validity-of-cfd-model-of-dispersion-in-a-complex-urban-geometry-using-two-sets-of-experimental-measurements" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142973.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">135</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">44</span> An Increase in Glucose Uptake per se is Insufficient to Induce Oxidative Stress and Vascular Endothelial Cell Dysfunction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Heba%20Khader">Heba Khader</a>, <a href="https://publications.waset.org/abstracts/search?q=Victor%20Solodushko"> Victor Solodushko</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20Fouty"> Brian Fouty</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Hyperglycemia is a hallmark of uncontrolled diabetes and causes vascular endothelial dysfunction. An increase in glucose uptake and metabolism by vascular endothelial cells is the presumed trigger for this hyperglycemia-induced dysfunction. Glucose uptake into vascular endothelial cells is mediated largely by Glut-1. Glut-1 is an equilibrative glucose transporter with a Km value of 2 mM. At physiologic glucose concentrations, Glut-1 is almost saturated and, therefore, increasing glucose concentration does not increase glucose uptake unless Glut-1 is upregulated. However, hyperglycemia downregulates Glut-1 and decreases rather than increases glucose uptake in vascular endothelial cells. This apparent discrepancy necessitates further study on the effect of increasing glucose uptake on the oxidative state and function of vascular endothelial cells. To test this, a Tet-on system was generated to conditionally regulate Glut-1 expression in endothelial cells by the addition and removal of doxycycline. Glut-1 overexpression was confirmed by Western blot and radiolabeled glucose uptake measurements. Upregulation of Glut-1 resulted in a 4-fold increase in glucose uptake into endothelial cells as determined by 3H deoxy-D-glucose uptake. Increased glucose uptake through Glut-1 did not induce an oxidative stress nor did it cause endothelial dysfunction in rat pulmonary microvascular endothelial cells determined by monolayer resistance, cell proliferation or advanced glycation end product formation. Increased glucose uptake through Glut-1did not lead to an increase in glucose metabolism, due in part to inhibition of hexokinase in Glut-1 overexpressing cells. In summary, this study demonstrates that increasing glucose uptake and intracellular glucose by overexpression of Glut-1 does not alter the oxidative state of rat pulmonary microvascular endothelial cells or cause endothelial cell dysfunction. These results conflict with the current paradigm that hyperglycemia leads to oxidative stress and endothelial dysfunction in vascular endothelial cells through an increase in glucose uptake. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=endothelial%20cells" title="endothelial cells">endothelial cells</a>, <a href="https://publications.waset.org/abstracts/search?q=glucose%20uptake" title=" glucose uptake"> glucose uptake</a>, <a href="https://publications.waset.org/abstracts/search?q=Glut1" title=" Glut1"> Glut1</a>, <a href="https://publications.waset.org/abstracts/search?q=hyperglycemia" title=" hyperglycemia"> hyperglycemia</a> </p> <a href="https://publications.waset.org/abstracts/40571/an-increase-in-glucose-uptake-per-se-is-insufficient-to-induce-oxidative-stress-and-vascular-endothelial-cell-dysfunction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40571.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">340</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">43</span> Use of a Symptom Scale Based on Degree of Functional Impairment for Acute Concussion</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Matthew%20T.%20McCarthy">Matthew T. McCarthy</a>, <a href="https://publications.waset.org/abstracts/search?q=Sarah%20Janse"> Sarah Janse</a>, <a href="https://publications.waset.org/abstracts/search?q=Natalie%20M.%20Pizzimenti"> Natalie M. Pizzimenti</a>, <a href="https://publications.waset.org/abstracts/search?q=Anthony%20K.%20Savino"> Anthony K. Savino</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20Crosser"> Brian Crosser</a>, <a href="https://publications.waset.org/abstracts/search?q=Sean%20C.%20Rose"> Sean C. Rose</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Concussion is diagnosed clinically using a comprehensive history and exam, supported by ancillary testing. Frequently, symptom checklists are used as part of the evaluation of concussion. Existing symptom scales are based on a subjective Likert scale, without relation of symptoms to clinical or functional impairment. This is a retrospective review of 133 patients under age 30 seen in an outpatient neurology practice within 30 days of a probable or definite concussion. Each patient completed 2 symptom checklists at the initial visit – the SCAT-3 symptom evaluation (22 symptoms, 0-6 scale) and a scale based on the degree of clinical impairment for each symptom (22 symptoms, 0-3 scale related to functional impact of the symptom). Final clearance date was determined by the treating physician. 60.9% of patients were male with mean age 15.7 years (SD 2.3). Mean time from concussion to first visit was 6.9 days (SD 6.2), and 101 patients had definite concussions (75.9%), while 32 were diagnosed as probable (24.1%). 94 patients had a known clearance date (70.7%) with mean clearance time of 20.6 days (SD 18.6) and median clearance time of 19 days (95% CI 16-21). Mean total symptom score was 27.2 (SD 22.9) on the SCAT-3 and 14.7 (SD 11.9) for the functional impairment scale. Pearson’s correlation between the two scales was 0.98 (p < 0.001). After adjusting for patient and injury characteristics, an equivalent increase in score on each scale was associated with longer time to clearance (SCAT-3 hazard ratio 0.885, 95%CI 0.835-0.938, p < 0.001; functional impairment scale hazard ratio 0.851, 95%CI 0.802-0.902, p < 0.001). A concussion symptom scale based on degree of functional impairment correlates strongly with the SCAT-3 scale and demonstrates a similar association with time to clearance. By assessing the degree of impact on clinical functioning, this symptom scale reflects a more intuitive approach to rating symptoms and can be used in the management of concussion. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=checklist" title="checklist">checklist</a>, <a href="https://publications.waset.org/abstracts/search?q=concussion" title=" concussion"> concussion</a>, <a href="https://publications.waset.org/abstracts/search?q=neurology" title=" neurology"> neurology</a>, <a href="https://publications.waset.org/abstracts/search?q=scale" title=" scale"> scale</a>, <a href="https://publications.waset.org/abstracts/search?q=sports" title=" sports"> sports</a>, <a href="https://publications.waset.org/abstracts/search?q=symptoms" title=" symptoms"> symptoms</a> </p> <a href="https://publications.waset.org/abstracts/108328/use-of-a-symptom-scale-based-on-degree-of-functional-impairment-for-acute-concussion" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/108328.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">153</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">42</span> A Study on the Effectiveness of Alternative Commercial Ventilation Inlets That Improve Energy Efficiency of Building Ventilation Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Brian%20Considine">Brian Considine</a>, <a href="https://publications.waset.org/abstracts/search?q=Aonghus%20McNabola"> Aonghus McNabola</a>, <a href="https://publications.waset.org/abstracts/search?q=John%20Gallagher"> John Gallagher</a>, <a href="https://publications.waset.org/abstracts/search?q=Prashant%20Kumar"> Prashant Kumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Passive air pollution control devices known as aspiration efficiency reducers (AER) have been developed using aspiration efficiency (AE) concepts. Their purpose is to reduce the concentration of particulate matter (PM) drawn into a building air handling unit (AHU) through alterations in the inlet design improving energy consumption. In this paper an examination is conducted into the effect of installing a deflector system around an AER-AHU inlet for both a forward and rear-facing orientations relative to the wind. The results of the study found that these deflectors are an effective passive control method for reducing AE at various ambient wind speeds over a range of microparticles of varying diameter. The deflector system was found to induce a large wake zone at low ambient wind speeds for a rear-facing AER-AHU, resulting in significantly lower AE in comparison to without. As the wind speed increased, both contained a wake zone but have much lower concentration gradients with the deflectors. For the forward-facing models, the deflector system at low ambient wind speed was preferred at higher Stokes numbers but there was negligible difference as the Stokes number decreased. Similarly, there was no significant difference at higher wind speeds across the Stokes number range tested. The results demonstrate that a deflector system is a viable passive control method for the reduction of ventilation energy consumption. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=air%20handling%20unit" title="air handling unit">air handling unit</a>, <a href="https://publications.waset.org/abstracts/search?q=air%20pollution" title=" air pollution"> air pollution</a>, <a href="https://publications.waset.org/abstracts/search?q=aspiration%20efficiency" title=" aspiration efficiency"> aspiration efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20efficiency" title=" energy efficiency"> energy efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=particulate%20matter" title=" particulate matter"> particulate matter</a>, <a href="https://publications.waset.org/abstracts/search?q=ventilation" title=" ventilation"> ventilation</a> </p> <a href="https://publications.waset.org/abstracts/123659/a-study-on-the-effectiveness-of-alternative-commercial-ventilation-inlets-that-improve-energy-efficiency-of-building-ventilation-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/123659.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">118</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">41</span> Effectiveness of Management Transfer Programs for Managing Irrigation Resources in Developing Countries: A Case Study of Farmer- and Agency-Managed Schemes from Nepal</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tirtha%20Raj%20Dhakal">Tirtha Raj Dhakal</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20Davidson"> Brian Davidson</a>, <a href="https://publications.waset.org/abstracts/search?q=Bob%20Farquharson"> Bob Farquharson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Irrigation management transfer has been taken as the important policy instrument for effective irrigation resource management in many developing countries. The change in governance of the irrigation schemes for its day-to-day operation and maintenance has been centered in recent Nepalese irrigation policies also. However, both farmer- and agency-managed irrigation schemes in Nepal are performing well below than expected. This study tries to link the present concerns of poor performance of both forms of schemes with the institutions for its operation and management. Two types of surveys, management and farm surveys; were conducted as a case study in the command area of Narayani Lift Irrigation Project (agency-managed) and Khageri Irrigation System (farmer-managed) of Chitwan District. The farm survey from head, middle and tail regions of both schemes revealed that unequal water distribution exists in these regions in both schemes with greater percentage of farmers experiencing this situation in agency managed scheme. In both schemes, the cost recovery rate was very low, even below five percent in Lift System indicating poor operation and maintenance of the schemes. Also, the institution on practice in both schemes is unable to create any incentives for farmers’ willingness to pay as well as for its economical use in the farm. Thus, outcomes from the study showed that only the management transfer programs may not achieve the goal of efficient irrigation resource management. This may suggest water professionals to rethink about the irrigation policies for refining institutional framework irrespective of the governance of schemes for improved cost recovery and better water distribution throughout the irrigation schemes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cost%20recovery" title="cost recovery">cost recovery</a>, <a href="https://publications.waset.org/abstracts/search?q=governance" title=" governance"> governance</a>, <a href="https://publications.waset.org/abstracts/search?q=institution" title=" institution"> institution</a>, <a href="https://publications.waset.org/abstracts/search?q=irrigation%20management%20transfer" title=" irrigation management transfer"> irrigation management transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=willingness%20to%20pay" title=" willingness to pay"> willingness to pay</a> </p> <a href="https://publications.waset.org/abstracts/54944/effectiveness-of-management-transfer-programs-for-managing-irrigation-resources-in-developing-countries-a-case-study-of-farmer-and-agency-managed-schemes-from-nepal" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54944.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">293</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">40</span> Liquid Tin(II) Alkoxide Initiators for Use in the Ring-Opening Polymerisation of Cyclic Ester Monomers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sujitra%20Ruengdechawiwat">Sujitra Ruengdechawiwat</a>, <a href="https://publications.waset.org/abstracts/search?q=Robert%20Molloy"> Robert Molloy</a>, <a href="https://publications.waset.org/abstracts/search?q=Jintana%20Siripitayananon"> Jintana Siripitayananon</a>, <a href="https://publications.waset.org/abstracts/search?q=Runglawan%20Somsunan"> Runglawan Somsunan</a>, <a href="https://publications.waset.org/abstracts/search?q=Paul%20D.%20Topham"> Paul D. Topham</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20J.%20Tighe"> Brian J. Tighe</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main aim of this research has been to design and synthesize some completely soluble liquid tin(II) alkoxide initiators for use in the ring-opening polymerisation (ROP) of cyclic ester monomers. This is in contrast to conventional tin(II) alkoxides in solid form which tend to be molecular aggregates and difficult to dissolve. The liquid initiators prepared were bis(tin(II) monooctoate) diethylene glycol ([Sn(Oct)]2DEG) and bis(tin(II) monooctoate) ethylene glycol ([Sn(Oct)]2EG). Their efficiencies as initiators in the bulk ROP of ε-caprolactone (CL) at 130oC were studied kinetically by dilatometry. Kinetic data over the 20-70% conversion range was used to construct both first-order and zero-order rate plots. It was found that the rate data fitted more closely to first-order kinetics with respect to the monomer concentration and gave higher first-order rate constants than the corresponding tin(II) octoate/diol initiating systems normally used to generate the tin(II) alkoxide in situ. Since the ultimate objective of this work is to produce copolymers suitable for biomedical use as absorbable monofilament surgical sutures, poly(L-lactide-co-ε-caprolactone) 75:25 mol %, P(LL-co-CL), copolymers were synthesized using both solid and liquid tin(II) alkoxide initiators at 130°C for 48 hrs. The statistical copolymers were obtained in near-quantitative yields with compositions (from 1H-NMR) close to the initial comonomer feed ratios. The monomer sequencing (from 13C-NMR) was partly random and partly blocky (gradient-type) due to the much differing monomer reactivity ratios (rLL >> rCL). From GPC, the copolymers obtained using the soluble liquid tin(II) alkoxides were found to have higher molecular weights (Mn = 40,000-100,000) than those from the only partially soluble solid initiators (Mn = 30,000-52,000). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biodegradable%20polyesters" title="biodegradable polyesters">biodegradable polyesters</a>, <a href="https://publications.waset.org/abstracts/search?q=poly%28L-lactide-co-%CE%B5-caprolactone%29" title=" poly(L-lactide-co-ε-caprolactone)"> poly(L-lactide-co-ε-caprolactone)</a>, <a href="https://publications.waset.org/abstracts/search?q=ring-opening%20polymerisation" title=" ring-opening polymerisation"> ring-opening polymerisation</a>, <a href="https://publications.waset.org/abstracts/search?q=tin%28II%29%20alkoxide" title=" tin(II) alkoxide"> tin(II) alkoxide</a> </p> <a href="https://publications.waset.org/abstracts/55694/liquid-tinii-alkoxide-initiators-for-use-in-the-ring-opening-polymerisation-of-cyclic-ester-monomers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/55694.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">39</span> Exploring the Visual Representations of Neon Signs and Its Vernacular Tacit Knowledge of Neon Making</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Brian%20Kwok">Brian Kwok</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Hong Kong is well-known for its name as "the Pearl of the Orient", due to its spectacular night-view with vast amount of decorative neon lights on the streets. Neon signs are first used as the pervasive media of communication for all kinds of commercial advertising, ranging from movie theatres to nightclubs and department stores, and later appropriated by artists as medium of artwork. As a well-established visual language, it displays texts in bilingual format due to British's colonial influence, which are sometimes arranged in an opposite reading order. Research on neon signs as a visual representation is rare but significant because they are part of people’s collective memories of the unique cityscapes which associate the shifting values of people's daily lives and culture identity. Nevertheless, with the current policy to remove abandoned neon signs, their total number dramatically declines recently. The Buildings Department found an estimation of 120,000 unauthorized signboards (including neon signs) in Hong Kong in 2013, and the removal of such is at a rate of estimated 1,600 per year since 2006. In other words, the vernacular cultural values and historical continuity of neon signs will gradually be vanished if no immediate action is taken in documenting them for the purpose of research and cultural preservation. Therefore, the Hong Kong Neon Signs Archive project was established in June of 2015, and over 100 neon signs are photo-documented so far. By content analysis, this project will explore the two components of neon signs – the use of visual languages and vernacular tacit knowledge of neon makers. It attempts to answer these questions about Hong Kong's neon signs: 'What are the ways in which visual representations are used to produce our cityscapes and streetscapes?'; 'What are the visual languages and conventions of usage in different business types?'; 'What the intact knowledge are applied when producing these visual forms of neon signs?' <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cityscapes" title="cityscapes">cityscapes</a>, <a href="https://publications.waset.org/abstracts/search?q=neon%20signs" title=" neon signs"> neon signs</a>, <a href="https://publications.waset.org/abstracts/search?q=tacit%20knowledge" title=" tacit knowledge"> tacit knowledge</a>, <a href="https://publications.waset.org/abstracts/search?q=visual%20representation" title=" visual representation "> visual representation </a> </p> <a href="https://publications.waset.org/abstracts/43147/exploring-the-visual-representations-of-neon-signs-and-its-vernacular-tacit-knowledge-of-neon-making" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43147.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">302</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">38</span> Crystalline Silica Exposure in Tunnelling: Identifying Barriers to Safe Practices</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Frederick%20Anlimah">Frederick Anlimah</a>, <a href="https://publications.waset.org/abstracts/search?q=Vinod%20Gopaldasani"> Vinod Gopaldasani</a>, <a href="https://publications.waset.org/abstracts/search?q=Catherine%20MacPhail"> Catherine MacPhail</a>, <a href="https://publications.waset.org/abstracts/search?q=Brian%20Davies"> Brian Davies</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The construction industry, particularly tunnel construction, exposes workers to respirable crystalline silica (RCS), which can cause incurable illnesses such as silicosis and lung cancer. Despite various control measures, exposures remain inadequately controlled. This research aimed to identify the barriers and challenges hindering the implementation of effective controls and the adoption of safe work practices to protect workers from RCS exposure in tunnelling. A mixed-method approach was employed for this research. Tunnel construction workers were observed, surveyed and interviewed to gauge their knowledge and attitudes and understand their challenges in reducing RCS exposure. The preliminary analysis of the data reveals a diverse array of sociotechnical factors interacting to influence RCS exposure. It is noteworthy that participants consistently emphasised the project as the most exemplary one they have been involved in, although there is room for improvement. While there is a commendable level of knowledge about RCS exposure and control in tunnelling, there is a striking lack of perceived satisfaction regarding dust control. Several factors were identified as interacting to prevent the effective management of dust. These include perceived time pressure, absence of on-tool dust controls, low risk perceptions among workers, and inadequate enforcement of controls. Moreover, participants highlighted communication and heat-related challenges as hindrances to the continuous wear of respirators. This research highlights the need for a paradigm shift in tunnel construction to address the barriers associated with RCS exposure reduction. It emphasises the importance of collaboration among various stakeholders, advocating for more effective controls and enforcement strategies and enhanced worker education through knowledge sharing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=respirable%20crystalline%20silica" title="respirable crystalline silica">respirable crystalline silica</a>, <a href="https://publications.waset.org/abstracts/search?q=dust%20control" title=" dust control"> dust control</a>, <a href="https://publications.waset.org/abstracts/search?q=worker%20practices" title=" worker practices"> worker practices</a>, <a href="https://publications.waset.org/abstracts/search?q=exposure%20prevention" title=" exposure prevention"> exposure prevention</a>, <a href="https://publications.waset.org/abstracts/search?q=silicosis" title=" silicosis"> silicosis</a> </p> <a href="https://publications.waset.org/abstracts/177376/crystalline-silica-exposure-in-tunnelling-identifying-barriers-to-safe-practices" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/177376.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">68</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37</span> Beyond the White Cube: A Study on the Site Specific Curatorial Practice of Kochi Muziris Biennale</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Girish%20Chandran">Girish Chandran</a>, <a href="https://publications.waset.org/abstracts/search?q=Milu%20Tigi"> Milu Tigi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Brian O'Doherty's seminal essay, Inside the white Cube theorized and named the dominant mode of display and exhibition of Modern Art museums. Ever since the advent of Biennales and other site-specific public art projects we have seen a departure from the white cube mode of exhibition. The physicality, materiality and context within which an artwork is framed has a role in the production of meaning of public art. Equally, artworks contribute to the meaning and identity of a place. This to and fro relationship between the site and artwork and its influence on the sense of place and production of meaning is being explored in this paper in the context of Kochi Muziris Biennale (KMB). Known as the Peoples biennale with over 5 lakh visitors, it is India's first Biennale and its largest art exhibition of contemporary art. The paper employs place theory and contemporary curatorial theories to present the case. The KMB has an interesting mix of exhibition spaces which includes existing galleries and halls, site-specific projects in public spaces, infill developments and adaptive reuse of heritage and other unused architecture. The biennale was envisioned as an event connecting to the history, socio-political peculiarities of the cultural landscape of Kerala and more specifically Kochi. The paper explains the role of spatial elements in forming a curatorial narrative connected to the above mentioned ambitions.The site-specific nature of exhibition and its use of unused architecture helps in the formation of exhibition spaces unique in type and materiality. The paper argues how this helps in the creation of an 'archeology of the place'. The research elucidates how a composite nature of experience helps connect with the thematic ambitions of the Biennale and how it brings about an aesthetics distinct to KMB. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=public%20art" title="public art">public art</a>, <a href="https://publications.waset.org/abstracts/search?q=curatorial%20practice" title=" curatorial practice"> curatorial practice</a>, <a href="https://publications.waset.org/abstracts/search?q=architecture" title=" architecture"> architecture</a>, <a href="https://publications.waset.org/abstracts/search?q=place" title=" place"> place</a>, <a href="https://publications.waset.org/abstracts/search?q=contemporary%20art" title=" contemporary art"> contemporary art</a>, <a href="https://publications.waset.org/abstracts/search?q=site%20specificity" title=" site specificity"> site specificity</a> </p> <a href="https://publications.waset.org/abstracts/97350/beyond-the-white-cube-a-study-on-the-site-specific-curatorial-practice-of-kochi-muziris-biennale" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/97350.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">159</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">36</span> Managing Physiological and Nutritional Needs of Rugby Players in Kenya </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Masita%20Mokeira">Masita Mokeira</a>, <a href="https://publications.waset.org/abstracts/search?q=Kimani%20Rita"> Kimani Rita</a>, <a href="https://publications.waset.org/abstracts/search?q=Obonyo%20Brian"> Obonyo Brian</a>, <a href="https://publications.waset.org/abstracts/search?q=Kwenda%20Kennedy"> Kwenda Kennedy</a>, <a href="https://publications.waset.org/abstracts/search?q=Mugambi%20Purity"> Mugambi Purity</a>, <a href="https://publications.waset.org/abstracts/search?q=Kirui%20Joan"> Kirui Joan</a>, <a href="https://publications.waset.org/abstracts/search?q=Chomba%20Eric"> Chomba Eric</a>, <a href="https://publications.waset.org/abstracts/search?q=Orwa%20Daniel"> Orwa Daniel</a>, <a href="https://publications.waset.org/abstracts/search?q=Waiganjo%20Peter"> Waiganjo Peter</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Rugby is a highly intense and physical game requiring speed and strength. The need for physical fitness therefore cannot be over-emphasized. Sports are no longer about lifting weights so as to build muscle. Most professional teams are investing much more in the sport in terms of time, equipment and other resources. To play competitively, Kenyan players may therefore need to complement their ‘home-grown’ and sometimes ad-hoc training and nutrition regimes with carefully measured strength and conditioning, diet, nutrition, and supplementation. Nokia Research Center and University of Nairobi conducted an exploratory study on needs and behaviours surrounding sports in Africa. Rugby being one sport that is gaining ground in Kenya was selected as the main focus. The end goal of the research was to identify areas where mobile technology could be used to address gaps, challenges and/or unmet needs. Themes such as information gap, social culture, growth, and development, revenue flow, and technology adoption among others emerged about the sport. From the growth and development theme, it was clear that as rugby continues to grow in the country, teams, coaches, and players are employing interesting techniques both in training and playing. Though some of these techniques are indeed scientific, those employing them are sometimes not fully aware of their scientific basis. A further case study on sports science in rugby in Kenya focusing on physical fitness and nutrition revealed interesting findings. This paper discusses findings on emerging adoption of techniques in managing physiological and nutritional needs of rugby players across different levels of rugby in Kenya namely high school, club and national levels. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=rugby" title="rugby">rugby</a>, <a href="https://publications.waset.org/abstracts/search?q=nutrition" title=" nutrition"> nutrition</a>, <a href="https://publications.waset.org/abstracts/search?q=physiological%20needs" title=" physiological needs"> physiological needs</a>, <a href="https://publications.waset.org/abstracts/search?q=sports%20science" title=" sports science"> sports science</a> </p> <a href="https://publications.waset.org/abstracts/2691/managing-physiological-and-nutritional-needs-of-rugby-players-in-kenya" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2691.pdf" target="_blank" class="btn btn-primary 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