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Mason</title> <meta name="description" content="Search results for: Nigel Mason"> <meta name="keywords" content="Nigel Mason"> <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="Nigel Mason" 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="Nigel Mason"> <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> 49</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Nigel Mason</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">49</span> Reliability Assessment of Various Empirical Formulas for Prediction of Scour Hole Depth (Plunge Pool) Using a Comprehensive Physical Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Majid%20Galoie">Majid Galoie</a>, <a href="https://publications.waset.org/abstracts/search?q=Khodadad%20Safavi"> Khodadad Safavi</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdolreza%20Karami%20Nejad"> Abdolreza Karami Nejad</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Roshan"> Reza Roshan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, a comprehensive scouring model has been developed in order to evaluate the accuracy of various empirical relationships which were suggested for prediction of scour hole depth in plunge pools by Martins, Mason, Chian and Veronese. For this reason, scour hole depths caused by free falling jets from a flip bucket to a plunge pool were investigated. In this study various discharges, angles, scouring times, etc. have been considered. The final results demonstrated that the all mentioned empirical formulas, except Mason formula, were reasonably agreement with the experimental data. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=scour%20hole%20depth" title="scour hole depth">scour hole depth</a>, <a href="https://publications.waset.org/abstracts/search?q=plunge%20pool" title=" plunge pool"> plunge pool</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20model" title=" physical model"> physical model</a>, <a href="https://publications.waset.org/abstracts/search?q=reliability%20assessment" title=" reliability assessment "> reliability assessment </a> </p> <a href="https://publications.waset.org/abstracts/20084/reliability-assessment-of-various-empirical-formulas-for-prediction-of-scour-hole-depth-plunge-pool-using-a-comprehensive-physical-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20084.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">535</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> Induced Chemistry for Dissociative Electron Attachment to Focused Electron Beam Induced Deposition Precursors Based on Ti, Si and Fe Metal Elements</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maria%20Pintea">Maria Pintea</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigel%20Mason"> Nigel Mason</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Induced chemistry is one of the newest pathways in the nanotechnology field with applications in the focused electron beam induced processes for deposition of nm scale structures. Si(OPr)₄ and Ti(OEt)₄ are two of the precursors that have not been so extensively researched, though highly sought for semiconductor and medical applications fields, the two compounds make good candidates for FEBIP and are the subject of velocity slice map imaging analysis for deposition purposes, offering information on kinetic energies, fragmentation channels, and angular distributions. The velocity slice map imaging technique is a method used for the characterization of molecular dynamics of the molecule and the fragmentation channels as a result of induced chemistry. To support the gas-phase analysis, Meso-Bio-Nano simulations of irradiation dynamics studies are employed with final results on Fe(CO)₅ deposited on various substrates. The software is capable of running large scale simulations for complex biomolecular, nano- and mesoscopic systems with applications to thermos-mechanical DNA damage, complex materials, gases, nanoparticles for cancer research and deposition applications for nanotechnology, using a large library of classical potentials, many-body force fields, molecular force fields involved in the classical molecular dynamics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=focused%20electron%20beam%20induced%20deposition" title="focused electron beam induced deposition">focused electron beam induced deposition</a>, <a href="https://publications.waset.org/abstracts/search?q=FEBID" title=" FEBID"> FEBID</a>, <a href="https://publications.waset.org/abstracts/search?q=induced%20chemistry" title=" induced chemistry"> induced chemistry</a>, <a href="https://publications.waset.org/abstracts/search?q=molecular%20dynamics" title=" molecular dynamics"> molecular dynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=velocity%20map%20slice%20imaging" title=" velocity map slice imaging"> velocity map slice imaging</a> </p> <a href="https://publications.waset.org/abstracts/112820/induced-chemistry-for-dissociative-electron-attachment-to-focused-electron-beam-induced-deposition-precursors-based-on-ti-si-and-fe-metal-elements" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/112820.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">109</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> The Effects of Heavy Metal and Aromatic Hydrocarbon Pollution on Bees</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Katarzyna%20Zi%C4%99ba">Katarzyna Zięba</a>, <a href="https://publications.waset.org/abstracts/search?q=Hajnalka%20Szentgy%C3%B6rgyi"> Hajnalka Szentgyörgyi</a>, <a href="https://publications.waset.org/abstracts/search?q=Pawe%C5%82%20Mi%C5%9Bkowiec"> Paweł Miśkowiec</a>, <a href="https://publications.waset.org/abstracts/search?q=Agnieszka%20Moos-Matysik"> Agnieszka Moos-Matysik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bees are effective pollinators of plants using by humans. However, there is a concern about the fate different species due to their recently decline. Pollution of the environment is described in the literature as one of the causes of this phenomenon. Due to human activities, heavy metals and aromatic hydrocarbons can occur in bee organisms in high concentrations. The presented study aims to provide information on how pollution affects bee quality, taking into account, also the biological differences between various groups of bees. Understanding the consequences of environmental pollution on bees can help to create and promote bee friendly habitats and actions. The analyses were carried out using two contamination gradients with 5 sites on each. The first, mainly heavy metal polluted gradient is stretching approx. 30km from the Bukowno Zinc smelter near Olkusz in the Lesser Poland Voivodship, to the north. The second cuts through the agglomeration of Kraków up to the southern borders of the Ojców National Park. The gradient near Olkusz is a well-described pollution gradient contaminated mainly by zinc, lead, and cadmium. The second gradient cut through the agglomeration of Kraków and end below the Ojców National Park. On each gradient, two bee species were installed: red mason bees (Osmia bicornis) and honey bees (Apis mellifera). Red mason bee is a polylectic, solitary bee species, widely distributed in Poland. Honey bees are a highly social species of bees, with clearly defined casts and roles in the colony. Before installing the bees in the field, samples of imagos of red mason bees and samples of pollen and imagos from each honey bee colony were analysed for zinc, lead cadmium, polycyclic and monocyclic hydrocarbons levels. After collecting the bees from the field, samples of bees and pollen samples for each site were prepared for heavy metal, monocyclic hydrocarbon, and polycyclic hydrocarbon analysis. Analyses of aromatic hydrocarbons were performed with gas chromatography coupled with a headspace sampler (HP 7694E) and mass spectrometer (MS) as detector. Monocyclic compounds were injected into column with headspace sampler while polycyclic ones with manual injector (after solid-liquid extraction with hexane). The heavy metal content (zinc, lead and cadmium) was assessed with flame atomic absorption spectroscopy (FAAS AAnalyst 300 Perkin Elmer spectrometer) according to the methods for honey and bee products described in the literature. Pollution levels found in bee bodies and imago body masses in both species, and proportion of sex in case of red mason bees were correlated with pollution levels found in pollen for each site and colony or trap nest. An attempt to pinpoint the most important form of contamination regarding bee health was also be undertaken based on the achieved results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=heavy%20metals" title="heavy metals">heavy metals</a>, <a href="https://publications.waset.org/abstracts/search?q=aromatic%20hydrocarbons" title=" aromatic hydrocarbons"> aromatic hydrocarbons</a>, <a href="https://publications.waset.org/abstracts/search?q=bees" title=" bees"> bees</a>, <a href="https://publications.waset.org/abstracts/search?q=pollution" title=" pollution"> pollution</a> </p> <a href="https://publications.waset.org/abstracts/77463/the-effects-of-heavy-metal-and-aromatic-hydrocarbon-pollution-on-bees" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77463.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">508</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> From a Madwoman in the Attic to a Fairy Land: A Conversation with Antoinette in Jean Rhys's Wide Sargasso Sea</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Prasenjit%20Panda">Prasenjit Panda</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Jean Rhys’s Wide Sargasso Sea, a prequel to Bronte’s Jane Eyre, explores the history of the other and gives voices to the people who were silenced and kept under the darkness of negation and denial for a long time. Jean Wide Sargasso Sea provides an alternative understanding of Charlotte Brontë’s mad Creole woman, i.e., Bertha Mason of Jane Eyre in the postcolonial context. Rhys transforms Charlotte Bronte’s Victorian romance into a realistic narrative. In doing so, she re-reads Bertha as Antoinette, the unspeakable figure of otherness, into an unnameable self, and creates a new stage for the inner self. She in the novel is no longer a lunatic heiress in Rochester’s attic rather in this novel she finds her fantasy, dream and most importantly, voice. Rhys peeps through the character of Antoinette through her fragmented memories, dreams, and identity. Antoinette’s identity is mutilated constantly in the conflicts between colonizers and colonized, male and female, black and white. We shall use postcolonial theories like Bhaba’s hybridity and third space as a methodology to reveal the dialectics of struggle of a doubly colonized woman.We shall see that Bertha Mason was neglected by Bronte because of her madness and was locked in the Rochester’s Attic, but here Rhys beautifully converts her madness as a language of Antoinette, a language for her protest, a language for her liberation, a language for her dreams. In this present paper, we shall try to show how Antoinette tries to free her soul and body from the clutches of her multiple existences, identity, and narratives. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=colonizer" title="colonizer">colonizer</a>, <a href="https://publications.waset.org/abstracts/search?q=dislocation" title=" dislocation"> dislocation</a>, <a href="https://publications.waset.org/abstracts/search?q=fragmented%20memories" title=" fragmented memories"> fragmented memories</a>, <a href="https://publications.waset.org/abstracts/search?q=identity" title=" identity"> identity</a>, <a href="https://publications.waset.org/abstracts/search?q=narratives" title=" narratives"> narratives</a> </p> <a href="https://publications.waset.org/abstracts/77239/from-a-madwoman-in-the-attic-to-a-fairy-land-a-conversation-with-antoinette-in-jean-rhyss-wide-sargasso-sea" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77239.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">45</span> A Comparison Between the Internal Combustion Engine and Electric Motor in the Automobile</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jack%20Mason">Jack Mason</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20Pourmovhed"> Ahmad Pourmovhed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper will discuss the advantages and disadvantages of the internal combustion engine when compared to different types of electric vehicles. The Internal Combustion Engine (ICE)'s overall cost, environmental impact, and usability will all be compared to different types of Electric Vehicles (EVs) including Battery Electric Vehicles (BEVs) and Hydrogen Fuel Cell Electric Vehicles (FCEVs). Also, the ways to solve the issues of the problems each vehicle presents will be discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=interal%20combustion%20engine" title="interal combustion engine">interal combustion engine</a>, <a href="https://publications.waset.org/abstracts/search?q=battery%20electric%20vehicle" title=" battery electric vehicle"> battery electric vehicle</a>, <a href="https://publications.waset.org/abstracts/search?q=fuel%20cell%20electric%20vehicle" title=" fuel cell electric vehicle"> fuel cell electric vehicle</a>, <a href="https://publications.waset.org/abstracts/search?q=emissions" title=" emissions"> emissions</a> </p> <a href="https://publications.waset.org/abstracts/143248/a-comparison-between-the-internal-combustion-engine-and-electric-motor-in-the-automobile" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/143248.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">176</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">44</span> Proposing Smart Clothing for Addressing Criminal Acts Against Women in South Africa</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anne%20Mastamet-Mason">Anne Mastamet-Mason</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Crimes against women is a global concern, and South Africa, in particular, is in a dilemma of dealing with constant criminal acts that face the country. Debates on violence against women in South Africa cannot be overemphasised any longer as crimes continue to rise year by year. The recent death of a university student at the University of Cape Town, as well as many other cases, continues to strengthen the need to find solutions from all the spheres of South African society. The advanced textiles market contains a high number and variety of technologies, many of which have protected status and constitute a relatively small portion of the textiles used for the consumer market. Examples of advanced textiles include nanomaterials, such as silver, titanium dioxide and zinc oxide, designed to create an anti-microbial and self-cleaning layer on top of the fibers, thereby reducing body smell and soiling. Smart textiles propose materials and fabrics versatile and adaptive to different situations and functions. Integrating textiles and computing technologies offer an opportunity to come up with differentiated characteristics and functionality. This paper presents a proposal to design a smart camisole/Yoga sports brazier and a smart Yoga sports pant garment to be worn by women while alone and while in purported danger zones. The smart garments are to be worn under normal clothing and cannot be detected or seen, or suspected by perpetrators. The garments are imbued with devices to sense any physical aggression and any abnormal or accelerated heartbeat that may be exhibited by the victim of violence. The signals created during the attack can be transmitted to the police and family members who own a mobile application system that accepts signals emitted. The signals direct the receiver to the exact location of the offence, and the victim can be rescued before major violations are committed. The design of the Yoga sports garments will be done by Professor Mason, who is a fashion designer by profession, while the mobile phone application system will be developed by Mr. Amos Yegon, who is an independent software developer. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=smart%20clothing" title="smart clothing">smart clothing</a>, <a href="https://publications.waset.org/abstracts/search?q=wearable%20technology" title=" wearable technology"> wearable technology</a>, <a href="https://publications.waset.org/abstracts/search?q=south%20africa" title=" south africa"> south africa</a>, <a href="https://publications.waset.org/abstracts/search?q=4th%20industrial%20revolution" title=" 4th industrial revolution"> 4th industrial revolution</a> </p> <a href="https://publications.waset.org/abstracts/141174/proposing-smart-clothing-for-addressing-criminal-acts-against-women-in-south-africa" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141174.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">207</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> The European Union: Considering Its Alleged Endangerment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jes%C3%BAs%20Ulloa">Jesús Ulloa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The creation, rise, and consolidation of far right-wing, ultranationalist, and eurosceptic parties in Europe after the Second World War pose a real threat towards the disintegration of the European Union. Starting more than thirty years ago with Jean-Marie Le Pen's FN and Margaret Thatcher's policies, to Marine Le Pen's current FN and anti-immigration proposals along with Nigel Farage's UKIP and their intentions to leave the European Union, the progress of right-wing parties should be noted, taking into account that they may have very important differences within their postures but that they also reach common ground in certain areas. The actual disintegration of the EU would represent an enormous failure of the new liberal world order. Through this essay, the roots of this political parties will be analyzed and the conclusion of whether the disintegration may become a reality or if the principles of cooperation and unity will prevail will be answered. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=eurosceptic" title="eurosceptic">eurosceptic</a>, <a href="https://publications.waset.org/abstracts/search?q=ultarnationalist" title=" ultarnationalist"> ultarnationalist</a>, <a href="https://publications.waset.org/abstracts/search?q=right-wing" title=" right-wing"> right-wing</a>, <a href="https://publications.waset.org/abstracts/search?q=European%20Union" title=" European Union"> European Union</a> </p> <a href="https://publications.waset.org/abstracts/22481/the-european-union-considering-its-alleged-endangerment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22481.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">583</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> Efficient Alias-Free Level Crossing Sampling</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Negar%20Riazifar">Negar Riazifar</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigel%20G.%20Stocks"> Nigel G. Stocks</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper proposes strategies in level crossing (LC) sampling and reconstruction that provide alias-free high-fidelity signal reconstruction for speech signals without exponentially increasing sample number with increasing bit-depth. We introduce methods in LC sampling that reduce the sampling rate close to the Nyquist frequency even for large bit-depth. The results indicate that larger variation in the sampling intervals leads to an alias-free sampling scheme; this is achieved by either reducing the bit-depth or adding jitter to the system for high bit-depths. In conjunction with windowing, the signal is reconstructed from the LC samples using an efficient Toeplitz reconstruction algorithm. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=alias-free" title="alias-free">alias-free</a>, <a href="https://publications.waset.org/abstracts/search?q=level%20crossing%20sampling" title=" level crossing sampling"> level crossing sampling</a>, <a href="https://publications.waset.org/abstracts/search?q=spectrum" title=" spectrum"> spectrum</a>, <a href="https://publications.waset.org/abstracts/search?q=trigonometric%20polynomial" title=" trigonometric polynomial"> trigonometric polynomial</a> </p> <a href="https://publications.waset.org/abstracts/136144/efficient-alias-free-level-crossing-sampling" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/136144.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">209</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> Effect of Sand Particle Distribution in Oil and Gas Pipeline Erosion</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Christopher%20Deekia%20Nwimae">Christopher Deekia Nwimae</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigel%20Simms"> Nigel Simms</a>, <a href="https://publications.waset.org/abstracts/search?q=Liyun%20Lao"> Liyun Lao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Erosion in pipe bends caused by particles is a major obstacle in the oil and gas fields and might cause the breakdown of production equipment. This work studied the effects imposed by flow velocity and impact of solid particles diameter in an elbow; erosion rate was verified with experimental data using the computational ﬂuid dynamics (CFD) approach. Two-way coupled Euler-Lagrange and discrete phase model was employed to calculate the air/solid particle ﬂow in an elbow. One erosion model and three-particle rebound models were used to predict the erosion rate on the 90° elbows. The generic erosion model was used in the CFD-based erosion model, and after comparing it with experimental data, results showed agreement with the CFD-based predictions as observed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=erosion" title="erosion">erosion</a>, <a href="https://publications.waset.org/abstracts/search?q=prediction" title=" prediction"> prediction</a>, <a href="https://publications.waset.org/abstracts/search?q=elbow" title=" elbow"> elbow</a>, <a href="https://publications.waset.org/abstracts/search?q=computational%20fluid%20dynamics" title=" computational fluid dynamics"> computational fluid dynamics</a> </p> <a href="https://publications.waset.org/abstracts/147246/effect-of-sand-particle-distribution-in-oil-and-gas-pipeline-erosion" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/147246.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">157</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">40</span> The Use of Webquests in Developing Inquiry Based Learning: Views of Teachers and Students in Qatar</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdullah%20Abu-Tineh">Abdullah Abu-Tineh</a>, <a href="https://publications.waset.org/abstracts/search?q=Carol%20Murphy"> Carol Murphy</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigel%20Calder"> Nigel Calder</a>, <a href="https://publications.waset.org/abstracts/search?q=Nasser%20Mansour"> Nasser Mansour</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper reports on an aspect of e-learning in developing inquiry-based learning (IBL). We present data on the views of teachers and students in Qatar following a professional development programme intended to help teachers implement IBL in their science and mathematics classrooms. Key to this programme was the use of WebQuests. Views of the teachers and students suggested that WebQuests helped students to develop technical skills, work collaboratively and become independent in their learning. The use of WebQuests also enabled a combination of digital and non-digital tools that helped students connect ideas and enhance their understanding of topics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=digital%20technology" title="digital technology">digital technology</a>, <a href="https://publications.waset.org/abstracts/search?q=inquiry-based%20learning" title=" inquiry-based learning"> inquiry-based learning</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematics%20and%20science%20education" title=" mathematics and science education"> mathematics and science education</a>, <a href="https://publications.waset.org/abstracts/search?q=professional%20development" title=" professional development"> professional development</a> </p> <a href="https://publications.waset.org/abstracts/109300/the-use-of-webquests-in-developing-inquiry-based-learning-views-of-teachers-and-students-in-qatar" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/109300.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">143</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> Enhanced Performance of an All-Vanadium Redox Flow Battery Employing Graphene Modified Carbon Paper Electrodes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Barun%20Chakrabarti">Barun Chakrabarti</a>, <a href="https://publications.waset.org/abstracts/search?q=Dan%20Nir"> Dan Nir</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Yufit"> Vladimir Yufit</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20V.%20Aravind"> P. V. Aravind</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigel%20Brandon"> Nigel Brandon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fuel cell grade gas-diffusion layer carbon paper (CP) electrodes are subjected to electrophoresis in N,N’-dimethylformamide (DMF) consisting of reduced graphene oxide (rGO). The rGO modified electrodes are compared with CP in a single asymmetric all-vanadium redox battery system (employing a double serpentine flow channel for each half-cell). Peak power densities improved by 4% when the rGO deposits were facing the ion-exchange membrane (cell performance was poorer when the rGO was facing the flow field). Cycling of the cells showed least degradation of the CP electrodes that were coated with rGO in comparison to pristine samples. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=all-vanadium%20redox%20flow%20batteries" title="all-vanadium redox flow batteries">all-vanadium redox flow batteries</a>, <a href="https://publications.waset.org/abstracts/search?q=carbon%20paper%20electrodes" title=" carbon paper electrodes"> carbon paper electrodes</a>, <a href="https://publications.waset.org/abstracts/search?q=electrophoretic%20deposition" title=" electrophoretic deposition"> electrophoretic deposition</a>, <a href="https://publications.waset.org/abstracts/search?q=reduced%20graphene%20oxide" title=" reduced graphene oxide"> reduced graphene oxide</a> </p> <a href="https://publications.waset.org/abstracts/71118/enhanced-performance-of-an-all-vanadium-redox-flow-battery-employing-graphene-modified-carbon-paper-electrodes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/71118.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">228</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> Investigating the Role of Combined Length Scale Effect on the Mechanical Properties of Ni/Cu Multilayer Structures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Naresh%20Radaliyagoda">Naresh Radaliyagoda</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigel%20M.%20Jennett"> Nigel M. Jennett</a>, <a href="https://publications.waset.org/abstracts/search?q=Rong%20Lan"> Rong Lan</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20Parfitt"> David Parfitt</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A series of length scale engineered multilayer material with temperature robust mechanical properties has been suggested. A range of polycrystalline copper sub-layers with the thickness varying from 1 to 25μm and buried in between two nickel layers was produced using electrodeposition dual bath technique. The structure of the multilayers was characterized using Electron Backscatter Diffraction and Scanning Electron Microscope. The interface effect on the hardness and elastic modulus was tested using Nano-indentation. Results of the grain size and layer thickness measurements, and indentation hardness have been compared. It is found that there is a combined length scale effect that improves mechanical properties in Ni/Cu multilayer structures. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nano-indentation" title="nano-indentation">nano-indentation</a>, <a href="https://publications.waset.org/abstracts/search?q=size%20effect" title=" size effect"> size effect</a>, <a href="https://publications.waset.org/abstracts/search?q=multilayers" title=" multilayers"> multilayers</a>, <a href="https://publications.waset.org/abstracts/search?q=electrodeposition" title=" electrodeposition"> electrodeposition</a> </p> <a href="https://publications.waset.org/abstracts/107676/investigating-the-role-of-combined-length-scale-effect-on-the-mechanical-properties-of-nicu-multilayer-structures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/107676.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">151</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> Influence of Bragg Reflectors Pairs on Resonance Characteristics of Solidly Mounted Resonators</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vinita%20Choudhary">Vinita Choudhary</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The solidly mounted resonator (SMR) is a bulk acoustic wave-based device consisting of a piezoelectric layer sandwiched between two electrodes upon Bragg reflectors, which then are attached to a substrate. To transform the effective acoustic impedance of the substrate to a near zero value, the Bragg reflectors are composed of alternating high and low acoustic impedance layers of quarter-wavelength thickness. In this work presents the design and investigation of acoustic Bragg reflectors (ABRs) for solidly mounted bulk acoustic wave resonators through analysis and simulation. This performance of the resonator is analyzed using 1D Mason modeling. The performance parameters are the effect of Bragg pairs number on transmissivity, reflectivity, insertion loss, the electromechanical and quality factor of the 5GHz operating resonator. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bragg%20reflectors" title="bragg reflectors">bragg reflectors</a>, <a href="https://publications.waset.org/abstracts/search?q=SMR" title=" SMR"> SMR</a>, <a href="https://publications.waset.org/abstracts/search?q=insertion%20loss" title=" insertion loss"> insertion loss</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20factor" title=" quality factor"> quality factor</a> </p> <a href="https://publications.waset.org/abstracts/164288/influence-of-bragg-reflectors-pairs-on-resonance-characteristics-of-solidly-mounted-resonators" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/164288.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">98</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">36</span> Modelling of Multi-Agent Systems for the Scheduling of Multi-EV Charging from Power Limited Sources</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Manan%E2%80%99Iarivo%20Rasolonjanahary">Manan’Iarivo Rasolonjanahary</a>, <a href="https://publications.waset.org/abstracts/search?q=Chris%20Bingham"> Chris Bingham</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigel%20Schofield"> Nigel Schofield</a>, <a href="https://publications.waset.org/abstracts/search?q=Masoud%20Bazargan"> Masoud Bazargan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the research and application of model predictive scheduled charging of electric vehicles (EV) subject to limited available power resource. To focus on algorithm and operational characteristics, the EV interface to the source is modelled as a battery state equation during the charging operation. The researched methods allow for the priority scheduling of EV charging in a multi-vehicle regime and when subject to limited source power availability. Priority attribution for each connected EV is described. The validity of the developed methodology is shown through the simulation of different scenarios of charging operation of multiple connected EVs including non-scheduled and scheduled operation with various numbers of vehicles. Performance of the developed algorithms is also reported with the recommendation of the choice of suitable parameters. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=model%20predictive%20control" title="model predictive control">model predictive control</a>, <a href="https://publications.waset.org/abstracts/search?q=non-scheduled" title=" non-scheduled"> non-scheduled</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20limited%20sources" title=" power limited sources"> power limited sources</a>, <a href="https://publications.waset.org/abstracts/search?q=scheduled%20and%20stop-start%20battery%20charging" title=" scheduled and stop-start battery charging"> scheduled and stop-start battery charging</a> </p> <a href="https://publications.waset.org/abstracts/134020/modelling-of-multi-agent-systems-for-the-scheduling-of-multi-ev-charging-from-power-limited-sources" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/134020.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">157</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">35</span> Fumigant Insecticidal Efficacy of Ozone Gas (O₃) Towards Tribolium castaneum and Cryptolestes ferrugineus</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Saleem">S. Saleem</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20J.%20Mason"> L. J. Mason</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Hasan"> M. Hasan</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Sagheer"> M. Sagheer</a>, <a href="https://publications.waset.org/abstracts/search?q=Q.%20Ali"> Q. Ali</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Akhtar"> S. Akhtar</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20M.%20S.%20Hanif"> C. M. S. Hanif</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ozone has been documented as a potential fumigant against major insect pests of stored commodities due to its highly oxidative properties. Present studies were conducted in the Smith Hall (Department of Entomology), Purdue University, USA, to examine the fumigant toxicities of ozone gas (O₃) against stored grain insect pests. Adults of Tribolium castaneum and Cryptolestes ferrugineus were exposed to different concentrations (100, 200, 480, 700, and 800 ppm) of ozone gas. Test insects were fumigated by keeping a constant temperature of 27 ± 2 °C and 75 ± 5% relative humidity, while dead insects were recorded after 6, 12, 18, 24, 30, and 36 hr of treatment. C. ferrugineus was found susceptible, with mean mortality of 90.99% as compared to T. castaneum (53.22%). Fumigation, even with lower concentrations (100 ppm) of ozone gas for 36 hr, exhibited 100% mortality against C. ferrugineus. Mortality increased with the increase in concentration and exposure time. 100% mortality was achieved with 800 ppm concentration after 18hr of treatment against T. castaneum and with 700 ppm after 6 hr of treatment against C. ferrugineus. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ozone%20gas" title="ozone gas">ozone gas</a>, <a href="https://publications.waset.org/abstracts/search?q=toxicity" title=" toxicity"> toxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=O%E2%82%83" title=" O₃"> O₃</a>, <a href="https://publications.waset.org/abstracts/search?q=Tribolium%20castaneum" title=" Tribolium castaneum"> Tribolium castaneum</a>, <a href="https://publications.waset.org/abstracts/search?q=Cryptolestes%20ferrugineus" title=" Cryptolestes ferrugineus"> Cryptolestes ferrugineus</a>, <a href="https://publications.waset.org/abstracts/search?q=stored%20grain%20insect%20pests" title=" stored grain insect pests"> stored grain insect pests</a> </p> <a href="https://publications.waset.org/abstracts/159249/fumigant-insecticidal-efficacy-of-ozone-gas-o3-towards-tribolium-castaneum-and-cryptolestes-ferrugineus" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/159249.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">90</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">34</span> A Qualitative Study of the Efficacy of Teaching for Conceptual Understanding to Enhance Confidence and Engagement in Early Mathematics </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nigel%20P.%20Coutts">Nigel P. Coutts</a>, <a href="https://publications.waset.org/abstracts/search?q=Stellina%20Z.%20Sim"> Stellina Z. Sim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Research suggests that the pedagogy we utilize when teaching mathematics contributes to a negative attitude towards the discipline. Worried by this, we have explored teaching mathematics for understanding, fluency, and confidence. We investigated strategies to engage students with the beauty of mathematics, moving them beyond mimicry and memorization. The result is an integrated pedagogy and curriculum arrangement which combines concept-based mathematics with Number Talks, Visible Thinking Routines, and Teaching for Understanding. Our qualitative research shows that students self-report greater self-confidence and heightened engagement with mathematical thinking. Teacher reflections on student learning echo this finding. As a result of this, we advocate for teacher training in the implementation of a concept-based curriculum supplemented with Number Talk strategies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mathematical%20thinking" title="mathematical thinking">mathematical thinking</a>, <a href="https://publications.waset.org/abstracts/search?q=teaching%20for%20understanding" title=" teaching for understanding"> teaching for understanding</a>, <a href="https://publications.waset.org/abstracts/search?q=student%20confidence" title=" student confidence"> student confidence</a>, <a href="https://publications.waset.org/abstracts/search?q=concept-based%20learning" title=" concept-based learning"> concept-based learning</a>, <a href="https://publications.waset.org/abstracts/search?q=engagement" title=" engagement"> engagement</a> </p> <a href="https://publications.waset.org/abstracts/113685/a-qualitative-study-of-the-efficacy-of-teaching-for-conceptual-understanding-to-enhance-confidence-and-engagement-in-early-mathematics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/113685.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">154</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">33</span> The Influence of E-Health Education on Professional Practice: A Qualitative Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sisira%20Edirippulige">Sisira Edirippulige</a>, <a href="https://publications.waset.org/abstracts/search?q=Anthony%20C.%20Smith"> Anthony C. Smith</a>, <a href="https://publications.waset.org/abstracts/search?q=Sumudu%20Wickramasinghe"> Sumudu Wickramasinghe</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigel%20R.%20Armfield"> Nigel R. Armfield</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: E-Health is steadily integrating into modern health services, making significant changes in the way health services are traditionally delivered. To work in this new environment, healthcare workers are required to have new knowledge, skills, and competencies specific to e-Health. The aim of this study was to understand the self-reported perceptions of graduates regarding the influence of an e-Health postgraduate program on their professional careers. Methods: All graduates from 2005 to 2015 were surveyed using an online questionnaire that consisted of a mixture of closed and open-ended questions. Results: The number of participants in the study was 32. Response rate was 62%. Graduates thought that the postgraduate e-Health program had an influence on their professional practice. The majority of the participants mentioned that they had worked in the e-Health field since their graduation. Their professional roles mainly involved implementation of e-Health in health service settings and the use of e-Health in clinical practice. Conclusions: While e-Health may be steadily integrating into modern health services, e-Health specific job opportunities are still relatively limited. E-Health workforce development must be given priority. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=e-health" title="e-health">e-health</a>, <a href="https://publications.waset.org/abstracts/search?q=postgraduate%20education" title=" postgraduate education"> postgraduate education</a>, <a href="https://publications.waset.org/abstracts/search?q=clinical%20practice" title=" clinical practice"> clinical practice</a>, <a href="https://publications.waset.org/abstracts/search?q=curriculum" title=" curriculum "> curriculum </a> </p> <a href="https://publications.waset.org/abstracts/101384/the-influence-of-e-health-education-on-professional-practice-a-qualitative-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/101384.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">161</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">32</span> Computational Fluid Dynamics Analysis and Optimization of the Coanda Unmanned Aerial Vehicle Platform</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nigel%20Q.%20Kelly">Nigel Q. Kelly</a>, <a href="https://publications.waset.org/abstracts/search?q=Zaid%20Siddiqi"> Zaid Siddiqi</a>, <a href="https://publications.waset.org/abstracts/search?q=Jin%20W.%20Lee"> Jin W. Lee</a> </p> <p class="card-text"><strong>Abstract:</strong></p> It is known that using Coanda aerosurfaces can drastically augment the lift forces when applied to an Unmanned Aerial Vehicle (UAV) platform. However, Coanda saucer UAVs, which commonly use a dish-like, radially-extending structure, have shown no significant increases in thrust/lift force and therefore have never been commercially successful: the additional thrust/lift generated by the Coanda surface diminishes since the airstreams emerging from the rotor compartment expand radially causing serious loss of momentums and therefore a net loss of total thrust/lift. To overcome this technical weakness, we propose to examine a Coanda surface of straight, cylindrical design and optimize its geometry for highest thrust/lift utilizing computational fluid dynamics software ANSYS Fluent®. The results of this study reveal that a Coanda UAV configured with 4 sides of straight, cylindrical Coanda surface achieve an overall 45% increase in lift compared to conventional Coanda Saucer UAV configurations. This venture integrates with an ongoing research project where a Coanda prototype is being assembled. Additionally, a custom thrust-stand has been constructed for thrust/lift measurement. <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=Coanda" title=" Coanda"> Coanda</a>, <a href="https://publications.waset.org/abstracts/search?q=lift" title=" lift"> lift</a>, <a href="https://publications.waset.org/abstracts/search?q=UAV" title=" UAV"> UAV</a> </p> <a href="https://publications.waset.org/abstracts/127878/computational-fluid-dynamics-analysis-and-optimization-of-the-coanda-unmanned-aerial-vehicle-platform" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/127878.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">141</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">31</span> Analyzing the Significance of Online Purchase Behavior of Tourists for the Development of Online Travel Bookings</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=April%20C.%20Abalos">April C. Abalos</a>, <a href="https://publications.waset.org/abstracts/search?q=Marmie%20R.%20Poquiz"> Marmie R. Poquiz</a>, <a href="https://publications.waset.org/abstracts/search?q=Paul%20Nigel%20S.%20Abalos"> Paul Nigel S. Abalos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> With the advent of the fourth industrial revolution, everything is becoming possible with just a single click through the internet. What is more exciting is that through the power of the technological advancements, options are readily available in one’s fingertips. These technological advancements have greatly affected the perspectives of people in almost all human endeavors, even in their purchasing behavior. Hence, this study is conceptualized. This aims to identify the significance of the online purchase behavior of tourists for the development of travel bookings and provide knowledge to sellers and understanding major factors towards the online purchase behavior of tourists. Social media applications in booking online were also identified, as well as the profile and the marketing strategies influencing the behavior of individuals in an online travel booking. This study also sought to determine which behavioral intention should be given more attention to know where to exert more effort in winning the hearts of consumers. This study used a descriptive-survey design using an online survey questionnaire to gather real-time responses from the tourists visiting and/or planning to visit the scenic spots in the province of Pangasinan, which are highly reliable to formulate conclusions as deemed necessary. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=behavior" title="behavior">behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=online%20purchase" title=" online purchase"> online purchase</a>, <a href="https://publications.waset.org/abstracts/search?q=tourists" title=" tourists"> tourists</a>, <a href="https://publications.waset.org/abstracts/search?q=travel%20bookings" title=" travel bookings"> travel bookings</a> </p> <a href="https://publications.waset.org/abstracts/128128/analyzing-the-significance-of-online-purchase-behavior-of-tourists-for-the-development-of-online-travel-bookings" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/128128.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">128</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">30</span> Synthesizing CuFe2O4 Spinel Powders by a Combustion-Like Process for Solid Oxide Fuel Cell Interconnects Coating</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seyedeh%20Narjes%20Hosseini">Seyedeh Narjes Hosseini</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Hossein%20Enayati"> Mohammad Hossein Enayati</a>, <a href="https://publications.waset.org/abstracts/search?q=Fathallah%20Karimzadeh"> Fathallah Karimzadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigel%20Mark%20Sammes"> Nigel Mark Sammes</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The synthesis of CuFe2O4 spinel powders by an optimized combustion-like process followed by calcinations is described herein. The samples were characterized by X-ray diffraction (XRD), differential thermal analysis (TG/DTA), scanning electron microscopy (SEM), dilatometry and 4-probe DC methods. Different glycine to nitrate (G/N) ratios of 1 (fuel-deficient), 1.48 (stoichiometric) and 2 (fuel-rich) were employed. Calcining the as-prepared powders at 800 and 1000°C for 5 hours showed that the 2 ratio results in the formation of desired copper spinel single phase at both calcinations temperatures. For G/N=1, formation of CuFe2O4 takes place in three steps. First, iron and copper nitrates decomposes to iron oxide and pure copper. Then, copper transforms to copper oxide and finally, copper and iron oxides react to each other to form copper ferrite spinel phase. The electrical conductivity and the coefficient of thermal expansion of the sintered pelletized samples were obtained 2 S.cm-1 (800°C) and 11×10-6 °C-1 (25-800°C), respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=SOFC%20interconnect%20coatings" title="SOFC interconnect coatings">SOFC interconnect coatings</a>, <a href="https://publications.waset.org/abstracts/search?q=Copper%20ferrite" title=" Copper ferrite"> Copper ferrite</a>, <a href="https://publications.waset.org/abstracts/search?q=Spinels" title=" Spinels"> Spinels</a>, <a href="https://publications.waset.org/abstracts/search?q=electrical%20conductivity" title=" electrical conductivity"> electrical conductivity</a>, <a href="https://publications.waset.org/abstracts/search?q=Glycine%E2%80%93nitrate%20process" title=" Glycine–nitrate process"> Glycine–nitrate process</a> </p> <a href="https://publications.waset.org/abstracts/31568/synthesizing-cufe2o4-spinel-powders-by-a-combustion-like-process-for-solid-oxide-fuel-cell-interconnects-coating" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31568.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">479</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">29</span> Efficient High Fidelity Signal Reconstruction Based on Level Crossing Sampling</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Negar%20Riazifar">Negar Riazifar</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigel%20G.%20Stocks"> Nigel G. Stocks</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper proposes strategies in level crossing (LC) sampling and reconstruction that provide high fidelity signal reconstruction for speech signals; these strategies circumvent the problem of exponentially increasing number of samples as the bit-depth is increased and hence are highly efficient. Specifically, the results indicate that the distribution of the intervals between samples is one of the key factors in the quality of signal reconstruction; including samples with short intervals do not improve the accuracy of the signal reconstruction, whilst samples with large intervals lead to numerical instability. The proposed sampling method, termed reduced conventional level crossing (RCLC) sampling, exploits redundancy between samples to improve the efficiency of the sampling without compromising performance. A reconstruction technique is also proposed that enhances the numerical stability through linear interpolation of samples separated by large intervals. Interpolation is demonstrated to improve the accuracy of the signal reconstruction in addition to the numerical stability. We further demonstrate that the RCLC and interpolation methods can give useful levels of signal recovery even if the average sampling rate is less than the Nyquist rate. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=level%20crossing%20sampling" title="level crossing sampling">level crossing sampling</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20stability" title=" numerical stability"> numerical stability</a>, <a href="https://publications.waset.org/abstracts/search?q=speech%20processing" title=" speech processing"> speech processing</a>, <a href="https://publications.waset.org/abstracts/search?q=trigonometric%20polynomial" title=" trigonometric polynomial"> trigonometric polynomial</a> </p> <a href="https://publications.waset.org/abstracts/134973/efficient-high-fidelity-signal-reconstruction-based-on-level-crossing-sampling" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/134973.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">146</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">28</span> Understanding Children’s Visual Attention to Personal Protective Equipment Using Eye-Tracking</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vanessa%20Cho">Vanessa Cho</a>, <a href="https://publications.waset.org/abstracts/search?q=Janet%20Hsiao"> Janet Hsiao</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigel%20King"> Nigel King</a>, <a href="https://publications.waset.org/abstracts/search?q=Robert%20Anthonappa"> Robert Anthonappa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: The personal protective equipment (PPE) requirements for health care workers (HCWs) have changed significantly during the COVID-19 pandemic. Aim: To ascertain, using eye-tracking technology, what children notice the most when seeing HCWs in various PPE. Design: A Tobii nano pro-eye-tracking camera tracked 156 children's visual attention while they viewed photographs of HCWs in various PPEs. Eye Movement analysis with Hidden Markov Models (EMHMM) was employed to analyse 624 recordings using two approaches, namely (i) data-driven where children's fixation determined the regions of interest (ROIs), and (ii) fixed ROIs where the investigators predefined the ROIs. Results: Two significant eye movement patterns, namely distributed(85.2%) and selective(14.7%), were identified(P<0.05). Most children fixated primarily on the face regardless of the different PPEs. Children fixated equally on all PPE images in the distributed pattern, while a strong preference for unmasked faces was evident in the selective pattern (P<0.01). Conclusion: Children as young as 2.5 years used a top-down visual search behaviour and demonstrated their face processing ability. Most children did not show a strong visual preference for a specific PPE, while a minority preferred PPE with distinct facial features, namely without masks and loupes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=COVID-19" title="COVID-19">COVID-19</a>, <a href="https://publications.waset.org/abstracts/search?q=PPE" title=" PPE"> PPE</a>, <a href="https://publications.waset.org/abstracts/search?q=dentistry" title=" dentistry"> dentistry</a>, <a href="https://publications.waset.org/abstracts/search?q=pediatric" title=" pediatric"> pediatric</a> </p> <a href="https://publications.waset.org/abstracts/161863/understanding-childrens-visual-attention-to-personal-protective-equipment-using-eye-tracking" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161863.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">90</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">27</span> The Pitfalls of Short-Range Endemism: High Vulnerability to Ecological and Landscape Traps</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Leanda%20Denise%20Mason">Leanda Denise Mason</a>, <a href="https://publications.waset.org/abstracts/search?q=Philip%20William%20Bateman"> Philip William Bateman</a>, <a href="https://publications.waset.org/abstracts/search?q=Grant%20Wardell-Johnson"> Grant Wardell-Johnson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ecological traps attract biota to low-quality habitats. Landscape traps are zones caught in a vortex of spiraling degradation. Here, we demonstrate how short-range endemic traits may make such taxa vulnerable to ecological and landscape traps. Three short-range endemic mygalomorph spider species were used in this study. Mygalomorphs can be long-lived ( > 40 years) and select sites for permanent burrows in their early dispersal phase. Spiderlings from two species demonstrated choice for microhabitats that correspond to where adults typically occur. An invasive veldt grass microhabitat was selected almost exclusively by spiderlings of the third species. Habitat dominated by veldt grass has lower prey diversity and abundance than undisturbed habitats and therefore acts as an ecological trap for this species. Furthermore, as a homogenising force, veldt grass can spread to form a landscape trap in naturally heterogeneous ecosystems. Selection of specialised microhabitats of short-range endemics may explain high extinction rates in old, stable landscapes undergoing (human-induced) rapid change. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biotic%20homogenization" title="biotic homogenization">biotic homogenization</a>, <a href="https://publications.waset.org/abstracts/search?q=invasive%20species" title=" invasive species"> invasive species</a>, <a href="https://publications.waset.org/abstracts/search?q=mygalomorph" title=" mygalomorph"> mygalomorph</a>, <a href="https://publications.waset.org/abstracts/search?q=short-range%20endemic" title=" short-range endemic"> short-range endemic</a> </p> <a href="https://publications.waset.org/abstracts/85950/the-pitfalls-of-short-range-endemism-high-vulnerability-to-ecological-and-landscape-traps" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85950.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">228</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">26</span> Transitioning Teacher Identity during COVID-19: An Australian Early Childhood Education Perspective</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20Jebunnesa">J. Jebunnesa</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20Budd"> Y. Budd</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Mason"> T. Mason</a> </p> <p class="card-text"><strong>Abstract:</strong></p> COVID-19 changed the pedagogical expectations of early childhood education as many teachers across Australia had to quickly adapt to new teaching practices such as remote teaching. An important factor in the successful implementation of any new teaching and learning approach is teacher preparation, however, due to the pandemic, the transformation to remote teaching was immediate. A timely question to be asked is how early childhood teachers managed the transition from face-to-face teaching to remote teaching and what was learned through this time. This study explores the experiences of early childhood educators in Australia during COVID-19 lockdowns. Data were collected from an online survey conducted through the official Facebook forum of “Early Childhood Education and Care Australia,” and a constructivist grounded theory methodology was used to analyse the data. Initial research results suggest changing expectations of teachers’ roles and responsibilities during the lockdown, with a significant category related to transitioning teacher identities emerging. The concept of transitioning represents the shift from the role of early childhood educator to educational innovator, essential worker, social worker, and health officer. The findings illustrate the complexity of early childhood educators’ roles during the pandemic. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=changing%20role%20of%20teachers" title="changing role of teachers">changing role of teachers</a>, <a href="https://publications.waset.org/abstracts/search?q=constructivist%20grounded%20theory" title=" constructivist grounded theory"> constructivist grounded theory</a>, <a href="https://publications.waset.org/abstracts/search?q=lessons%20learned" title=" lessons learned"> lessons learned</a>, <a href="https://publications.waset.org/abstracts/search?q=teaching%20during%20COVID-19" title=" teaching during COVID-19"> teaching during COVID-19</a> </p> <a href="https://publications.waset.org/abstracts/148888/transitioning-teacher-identity-during-covid-19-an-australian-early-childhood-education-perspective" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/148888.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">99</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">25</span> Feasibility Study on the Bioattactants from Pandanus Palm Extracts for Trapping Rice Insect Pests</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pisit%20Poolprasert">Pisit Poolprasert</a>, <a href="https://publications.waset.org/abstracts/search?q=Phakin%20Kubchanan"> Phakin Kubchanan</a>, <a href="https://publications.waset.org/abstracts/search?q=Keerati%20Tanruean"> Keerati Tanruean</a>, <a href="https://publications.waset.org/abstracts/search?q=Wisanu%20Thongchai"> Wisanu Thongchai</a>, <a href="https://publications.waset.org/abstracts/search?q=Yuttasak%20Chammui"> Yuttasak Chammui</a>, <a href="https://publications.waset.org/abstracts/search?q=Wirot%20Likittrakulwong"> Wirot Likittrakulwong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Rice insect pests are problems to rice production. Use of chemicals to minimize these problems of insect pests in paddy field can lead to the residue and affect the health of farmers. Therefore, botanical extracts applied for controlling rice serious enemies should be promoted especially use of plant extract as attractants to lure insects. This research aimed to feasibility study of bioattractants from pandanus palm extracts for trapping insect pets using two different trap models, including plastic bottle and yellow sticky traps. Two main growth and development stages of rice, namely tillering and booting stages, were selected and trapped. The results from both trap models revealed that four rice insect species, including Orseolia oryzae (Wood-Mason), Nilaparvata lugens, Recilia dorsalis, and Nephotettix nigropictus from three families (Cecidomyiidae, Cicadellidae and Delphacidae) and two main orders (Diptera and Hemiptera) were exhibited. All rice insect species mentioned could be found from the yellow sticky trap that were higher than in the bottle trap in which only O. oryzae could be only trapped. From this survey, it was indicated that the yellow sticky trap coated with pandanus palm extracts had a promising potential to use as an attractant for the detection of rice paddy insects in the next future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pandanus%20palm" title="pandanus palm">pandanus palm</a>, <a href="https://publications.waset.org/abstracts/search?q=bioattractant" title=" bioattractant"> bioattractant</a>, <a href="https://publications.waset.org/abstracts/search?q=bottle%20trap" title=" bottle trap"> bottle trap</a>, <a href="https://publications.waset.org/abstracts/search?q=yellow%20sticky%20trap" title=" yellow sticky trap"> yellow sticky trap</a> </p> <a href="https://publications.waset.org/abstracts/160235/feasibility-study-on-the-bioattactants-from-pandanus-palm-extracts-for-trapping-rice-insect-pests" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160235.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">125</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">24</span> Predicting Response to Cognitive Behavioral Therapy for Psychosis Using Machine Learning and Functional Magnetic Resonance Imaging</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eva%20Tolmeijer">Eva Tolmeijer</a>, <a href="https://publications.waset.org/abstracts/search?q=Emmanuelle%20Peters"> Emmanuelle Peters</a>, <a href="https://publications.waset.org/abstracts/search?q=Veena%20Kumari"> Veena Kumari</a>, <a href="https://publications.waset.org/abstracts/search?q=Liam%20Mason"> Liam Mason</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cognitive behavioral therapy for psychosis (CBTp) is effective in many but not all patients, making it important to better understand the factors that determine treatment outcomes. To date, no studies have examined whether neuroimaging can make clinically useful predictions about who will respond to CBTp. To this end, we used machine learning methods that make predictions about symptom improvement at the individual patient level. Prior to receiving CBTp, 22 patients with a diagnosis of schizophrenia completed a social-affective processing task during functional MRI. Multivariate pattern analysis assessed whether treatment response could be predicted by brain activation responses to facial affect that was either socially threatening or prosocial. The resulting models did significantly predict symptom improvement, with distinct multivariate signatures predicting psychotic (r=0.54, p=0.01) and affective (r=0.32, p=0.05) symptoms. Psychotic symptom improvement was accurately predicted from relatively focal threat-related activation across hippocampal, occipital, and temporal regions; affective symptom improvement was predicted by a more dispersed profile of responses to prosocial affect. These findings enrich our understanding of the neurobiological underpinning of treatment response. This study provides a foundation that will hopefully lead to greater precision and tailoring of the interventions offered to patients. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cognitive%20behavioral%20therapy" title="cognitive behavioral therapy">cognitive behavioral therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=psychosis" title=" psychosis"> psychosis</a>, <a href="https://publications.waset.org/abstracts/search?q=schizophrenia" title=" schizophrenia"> schizophrenia</a> </p> <a href="https://publications.waset.org/abstracts/77306/predicting-response-to-cognitive-behavioral-therapy-for-psychosis-using-machine-learning-and-functional-magnetic-resonance-imaging" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77306.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">274</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">23</span> Diagnostic Accuracy Of Core Biopsy In Patients Presenting With Axillary Lymphadenopathy And Suspected Non-Breast Malignancy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Monisha%20Edirisooriya">Monisha Edirisooriya</a>, <a href="https://publications.waset.org/abstracts/search?q=Wilma%20Jack"> Wilma Jack</a>, <a href="https://publications.waset.org/abstracts/search?q=Dominique%20Twelves">Dominique Twelves</a>, <a href="https://publications.waset.org/abstracts/search?q=Jennifer%20Royds"> Jennifer Royds</a>, <a href="https://publications.waset.org/abstracts/search?q=Fiona%20Scott"> Fiona Scott</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicola%20Mason"> Nicola Mason</a>, <a href="https://publications.waset.org/abstracts/search?q=Arran%20Turnbull"> Arran Turnbull</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Michael%20Dixon"> J. Michael Dixon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Excision biopsy has been the investigation of choice for patients presenting with pathological axillary lymphadenopathy without a breast abnormality. Core biopsy of nodes can provide sufficient tissue for diagnosis and has advantages in terms of morbidity and speed of diagnosis. This study evaluates the diagnostic accuracy of core biopsy in patients presenting with axillary lymphadenopathy. Methods: Between 2009 and 2019, 165 patients referred to the Edinburgh Breast Unit had a total of 179 axillary lymph node core biopsies. Results: 152 (92%) of the 165 initial core biopsies were deemed to contain adequate nodal tissue. Core biopsy correctly established malignancy in 75 of the 78 patients with haematological malignancy (96%) and in all 28 patients with metastatic carcinoma (100%) and correctly diagnosed benign changes in 49 of 57 (86%) patients with benign conditions. There were no false positives and no false negatives. In 67 (85.9%) of the 78 patients with hematological malignancy, there was sufficient material in the first core biopsy to allow the pathologist to make an actionable diagnosis and not ask for more tissue sampling prior to treatment. There were no complications of core biopsy. On follow up, none of the patients with benign cores has been shown to have malignancy in the axilla and none with lymphoma had their initial disease incorrectly classified. Conclusions: This study shows that core biopsy is now the investigation of choice for patients presenting with axillary lymphadenopathy even in those suspected as having lymphoma. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=core%20biopsy" title="core biopsy">core biopsy</a>, <a href="https://publications.waset.org/abstracts/search?q=excision%20biopsy" title=" excision biopsy"> excision biopsy</a>, <a href="https://publications.waset.org/abstracts/search?q=axillary%20lymphadenopathy" title=" axillary lymphadenopathy"> axillary lymphadenopathy</a>, <a href="https://publications.waset.org/abstracts/search?q=non-breast%20malignancy" title=" non-breast malignancy"> non-breast malignancy</a> </p> <a href="https://publications.waset.org/abstracts/141187/diagnostic-accuracy-of-core-biopsy-in-patients-presenting-with-axillary-lymphadenopathy-and-suspected-non-breast-malignancy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141187.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">241</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">22</span> Balancing Aesthetics, Sustainability, and Safety in Handmade Fabric Face Masks: A Testimony of Creativity and Adaptability</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anne%20Mastamet-Mason">Anne Mastamet-Mason</a>, <a href="https://publications.waset.org/abstracts/search?q=Oluwatosin%20Onakoya"> Oluwatosin Onakoya</a>, <a href="https://publications.waset.org/abstracts/search?q=Karla%20Tissiman"> Karla Tissiman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The COVID-19 pandemic that ravaged the world in 2020 brought about the need for handmade fabric face masks in South Africa and beyond. These masks showcased individuality and environmental responsibility and effectively aided our battle against the virus. These practical masks held significant meaning, representing human creativity, resilience, and commitment to sustainability in adversity. This paper examines how aesthetics, sustainability, and safety were achieved in the Handmade Fabric Face Masks. It analyses how their integration signified human agility and resilience to the pandemic while promoting dignity and environmental welfare. The research conducted a qualitative analysis to choose handmade fabric face masks and assess their aesthetic, sustainable, and safety features. The study involved interviewing a group of mask designers and users who evaluated the masks' efficacy in providing protection, aesthetics, and environmental sustainability. Although the designers demonstrated a high level of knowledge in the design aspects, the results indicated a need for more information regarding the functional safety measures and some environmental factors in mask selection and production. The mask analysis also revealed that the masks available in the market combined aesthetics and environmental protection but had limited safety measures. Despite the lack of balance of aesthetics, sustainability, and safety among the designers and the users of hand-fabric masks, functional aspects of fabrics and sustainability literacy are essential <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sustainable%20fashion" title="sustainable fashion">sustainable fashion</a>, <a href="https://publications.waset.org/abstracts/search?q=fabric%20mask" title=" fabric mask"> fabric mask</a>, <a href="https://publications.waset.org/abstracts/search?q=aesthetics" title=" aesthetics"> aesthetics</a>, <a href="https://publications.waset.org/abstracts/search?q=safety%20measures" title=" safety measures"> safety measures</a> </p> <a href="https://publications.waset.org/abstracts/179688/balancing-aesthetics-sustainability-and-safety-in-handmade-fabric-face-masks-a-testimony-of-creativity-and-adaptability" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/179688.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">64</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">21</span> Exploring the Energy Model of Cumulative Grief</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Masica%20Jordan%20Alston">Masica Jordan Alston</a>, <a href="https://publications.waset.org/abstracts/search?q=Angela%20N.%20Bullock"> Angela N. Bullock</a>, <a href="https://publications.waset.org/abstracts/search?q=Angela%20S.%20Henderson"> Angela S. Henderson</a>, <a href="https://publications.waset.org/abstracts/search?q=Stephanie%20Strianse"> Stephanie Strianse</a>, <a href="https://publications.waset.org/abstracts/search?q=Sade%20Dunn"> Sade Dunn</a>, <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Hackett"> Joseph Hackett</a>, <a href="https://publications.waset.org/abstracts/search?q=Alaysia%20Black%20Hackett"> Alaysia Black Hackett</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcus%20Mason"> Marcus Mason</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Energy Model of Cumulative Grief was created in 2018. The Energy Model of Cumulative Grief utilizes historic models of grief stage theories. The innovative model is additionally unique due to its focus on cultural responsiveness. The Energy Model of Cumulative Grief helps to train practitioners who work with clients dealing with grief and loss. This paper assists in introducing the world to this innovative model and exploring how this model positively impacted a convenience sample of 140 practitioners and individuals experiencing grief and loss. Respondents participated in Webinars provided by the National Grief and Loss Center of America (NGLCA). Participants in this cross-sectional research design study completed one of three Grief and Loss Surveys created by the Grief and Loss Centers of America. Data analysis for this study was conducted via SPSS and Survey Hero to examine survey results for respondents. Results indicate that the Energy Model of Cumulative Grief was an effective resource for participants in addressing grief and loss. The majority of participants found the Webinars to be helpful and a conduit to providing them with higher levels of hope. The findings suggest that using The Energy Model of Cumulative Grief is effective in providing culturally responsive grief and loss resources to practitioners and clients. There are far reaching implications with the use of technology to provide hope to those suffering from grief and loss worldwide through The Energy Model of Cumulative Grief. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=grief" title="grief">grief</a>, <a href="https://publications.waset.org/abstracts/search?q=loss" title=" loss"> loss</a>, <a href="https://publications.waset.org/abstracts/search?q=grief%20energy" title=" grief energy"> grief energy</a>, <a href="https://publications.waset.org/abstracts/search?q=grieving%20brain" title=" grieving brain"> grieving brain</a> </p> <a href="https://publications.waset.org/abstracts/168405/exploring-the-energy-model-of-cumulative-grief" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168405.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">84</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">20</span> Necrotising Anterior Scleritis and Scleroderma: A Rare Association</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Angeliki%20Vassila">Angeliki Vassila</a>, <a href="https://publications.waset.org/abstracts/search?q=Dimitrios%20Kalogeropoulos"> Dimitrios Kalogeropoulos</a>, <a href="https://publications.waset.org/abstracts/search?q=Rania%20Rawashdeh"> Rania Rawashdeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigel%20Hall"> Nigel Hall</a>, <a href="https://publications.waset.org/abstracts/search?q=Najiha%20Rahman"> Najiha Rahman</a>, <a href="https://publications.waset.org/abstracts/search?q=Mark%20Fabian"> Mark Fabian</a>, <a href="https://publications.waset.org/abstracts/search?q=Suresh%20Thulasidharan"> Suresh Thulasidharan</a>, <a href="https://publications.waset.org/abstracts/search?q=Hossain%20Parwez"> Hossain Parwez</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Necrotising scleritis is a severe form of scleritis and poses a significant threat to vision. It can manifest in various systemic autoimmune disorders, systemic vasculitis, or as a consequence of microbial infections. The objective of this study is to present a case of necrotizing scleritis associated with scleroderma, which was further complicated by a secondary Staphylococcus epidermidis infection. Methods: This is a retrospective analysis that examines the medical records of a patient who was hospitalised in the Eye Unit at University Hospital Southampton. Results: A 78-year-old woman presented at the eye casualty department of our unit with a two-week history of progressively worsening pain in her left eye. She received a diagnosis of necrotising scleritis and was admitted to the hospital for further treatment. It was decided to commence a three-day course of intravenous methylprednisolone followed by a tapering regimen of oral steroids. Additionally, a conjunctival swab was taken, and two days later, it revealed the presence of S. epidermidis, indicating a potential secondary infection. Given this finding, she was also prescribed topical (Ofloxacin 0.3% - four times daily) and oral (Ciprofloxacin 750mg – twice daily) antibiotics. The inflammation and symptoms gradually improved, leading to the patient being scheduled for a scleral graft and applying an amniotic membrane to cover the area of scleral thinning. Conclusions: Rheumatoid arthritis and granulomatosis with polyangiitis are the most commonly identifiable systemic diseases associated with necrotising scleritis. Although association with scleroderma is extremely rare, early identification and treatment are necessary to prevent scleritis-related complications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=scleritis" title="scleritis">scleritis</a>, <a href="https://publications.waset.org/abstracts/search?q=necrotizing%20scleritis" title=" necrotizing scleritis"> necrotizing scleritis</a>, <a href="https://publications.waset.org/abstracts/search?q=scleroderma" title=" scleroderma"> scleroderma</a>, <a href="https://publications.waset.org/abstracts/search?q=autoimmune%20disease" title=" autoimmune disease"> autoimmune disease</a> </p> <a href="https://publications.waset.org/abstracts/191903/necrotising-anterior-scleritis-and-scleroderma-a-rare-association" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/191903.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info 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