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characterisation</title> <meta name="description" content="Search results for: physical characterisation"> <meta name="keywords" content="physical characterisation"> <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 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="physical characterisation"> <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> 6054</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: physical characterisation</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6054</span> Uneven Habitat Characterisation by Using Geo-Gebra Software in the Lacewings (Insecta: Neuroptera), Knowing When to Calculate the Habitat: Creating More Informative Ecological Experiments </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hakan%20Bozdo%C4%9Fan">Hakan Bozdoğan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A wide variety of traditional methodologies has been enhanced for characterising smooth habitats in order to find out different environmental objectives. The habitats were characterised based on size and shape by using Geo-Gebra Software. In this study, an innovative approach to researching habitat characterisation in the lacewing species, GeoGebra software is utilised. This approach is demonstrated using the example of ‘surface area’ as an analytical concept, wherein the goal was to increase clearness for researchers, and to improve the quality of researching in survey area. In conclusion, habitat characterisation using the mathematical programme provides a unique potential to collect more comprehensible and analytical information about in shapeless areas beyond the range of direct observations methods. This research contributes a new perspective for assessing the structure of habitat, providing a novel mathematical tool for the research and management of such habitats and environments. Further surveys should be undertaken at additional sites within the Amanos Mountains for a comprehensive assessment of lacewings habitat characterisation in an analytical plane. This paper is supported by Ahi Evran University Scientific Research Projects Coordination Unit, Projects No:TBY.E2.17.001 and TBY.A4.16.001. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=uneven%20habitat%20shape" title="uneven habitat shape">uneven habitat shape</a>, <a href="https://publications.waset.org/abstracts/search?q=habitat%20assessment" title=" habitat assessment"> habitat assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=lacewings" title=" lacewings"> lacewings</a>, <a href="https://publications.waset.org/abstracts/search?q=Geo-Gebra%20Software" title=" Geo-Gebra Software"> Geo-Gebra Software</a> </p> <a href="https://publications.waset.org/abstracts/67159/uneven-habitat-characterisation-by-using-geo-gebra-software-in-the-lacewings-insecta-neuroptera-knowing-when-to-calculate-the-habitat-creating-more-informative-ecological-experiments" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67159.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">284</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">6053</span> Development and Characterisation of a Microbioreactor 'Cassette' for Cell Culture Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nelson%20Barrientos">Nelson Barrientos</a>, <a href="https://publications.waset.org/abstracts/search?q=Matthew%20J.%20Davies"> Matthew J. Davies</a>, <a href="https://publications.waset.org/abstracts/search?q=Marco%20C.%20Marques"> Marco C. Marques</a>, <a href="https://publications.waset.org/abstracts/search?q=Darren%20N.%20Nesbeth"> Darren N. Nesbeth</a>, <a href="https://publications.waset.org/abstracts/search?q=Gary%20J.%20Lye"> Gary J. Lye</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Szita"> Nicolas Szita</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Microbioreactor technology is making important advances towards its application in cell culture and bioprocess development. In particular, the technology promises flexible and controllable devices capable to perform parallelised experimentation at low cost. Currently, state of the art methods (e.g. optical sensors) allow the accurate monitoring of the microbioreactor operation. In addition, the laminar flow regime encountered in these devices allows more predictive fluid dynamics modelling, improving the control over the soluble, physical and mechanical environment of the cells. This work describes the development and characterisation of a novel microbioreactor cassette system (microbioreactor volume is 150 μL. The volumetric oxygen transfer coefficient (KLa) and mixing time have been characterised to be between 25 to 113 h-1 and 0.5 and 0.1 s, respectively. In addition, the Residence time distribution (RTD) analysis confirms that the reactor operates at well mixed conditions. Finally, Staphylococcus carnosus TM300 growth is demonstrated via batch culture experiments. Future work consists in expanding the optics of the microbioreactor design to include the monitoring of variables such as fluorescent protein expression, among others. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=microbioreactor" title="microbioreactor">microbioreactor</a>, <a href="https://publications.waset.org/abstracts/search?q=cell-culture" title=" cell-culture"> cell-culture</a>, <a href="https://publications.waset.org/abstracts/search?q=fermentation" title=" fermentation"> fermentation</a>, <a href="https://publications.waset.org/abstracts/search?q=microfluidics" title=" microfluidics"> microfluidics</a> </p> <a href="https://publications.waset.org/abstracts/39466/development-and-characterisation-of-a-microbioreactor-cassette-for-cell-culture-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39466.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">415</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">6052</span> Phenotypic Characterisation of Bapedi Sheep Breed</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fhulufhelo%20Ramukhithi">Fhulufhelo Ramukhithi</a>, <a href="https://publications.waset.org/abstracts/search?q=Kgothatso%20%20Masethe"> Kgothatso Masethe</a>, <a href="https://publications.waset.org/abstracts/search?q=Tlou%20Chokoe"> Tlou Chokoe</a>, <a href="https://publications.waset.org/abstracts/search?q=Ayanda%20%20Maqhashu"> Ayanda Maqhashu</a>, <a href="https://publications.waset.org/abstracts/search?q=Julius%20%20Sebei"> Julius Sebei</a>, <a href="https://publications.waset.org/abstracts/search?q=Tshililo%20Raphulu"> Tshililo Raphulu</a>, <a href="https://publications.waset.org/abstracts/search?q=Joseph%20Mugwabana"> Joseph Mugwabana</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Phenotypic characterisation ensures that the physical appearance of an animal is well documented. The information provided by this phenotypic characterisation study is important for planning management and the use of animal genetic resources. The aim of this study was to characterise the phenotypic characteristics of Bapedi sheep. Bapedi sheep are at risk of extinction like most of the indigenous breeds. As a result, a total of 196 Bapedi ewes and 35 rams were used. Phenotypic-qualitative characteristics were evaluated through visual appraisal. Phenotypic-quantitative characteristics such as body parts measurements were obtained using a flexible tape (cm), while body weight were obtained by using a weighing scale (kg). Bapedi rams (97 %) had higher satisfactory body condition when compared to ewes (75 %). A higher proportion of Bapedi sheep that did not have ticks observed (ewes = 87 % and rams = 91 %). Brown and white colour combination (head x body) was dominating in Bapedi sheep (80 % ewes and 91 % rams). Bapedi ewes did not have any horns; however, 3 % of rams had them. Bapedi sheep had a higher proportion of brown eyes, moderate neck, stiff sideways ears and normal front legs. Bapedi rams had a higher proportion of well-balanced and good attached testicles. Bapedi ewes had average (45 %), small (40 %) and big udders (15 %). Bapedi rams had a significantly higher body weight, height, depth, hearth girth circumference, rump width, hind leg width and length compared to ewes. However, both Bapedi rams and ewes had similar age, body condition score, tail length, length below hock and knee. In conclusion, Bapedi sheep had a higher satisfactory body condition and brown and white colour combination. Some of Bapedi rams’ quantitative characteristics were higher compared to ewes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=extinction" title="extinction">extinction</a>, <a href="https://publications.waset.org/abstracts/search?q=indigenous" title=" indigenous"> indigenous</a>, <a href="https://publications.waset.org/abstracts/search?q=phenotypic" title=" phenotypic"> phenotypic</a>, <a href="https://publications.waset.org/abstracts/search?q=smallstock" title=" smallstock"> smallstock</a> </p> <a href="https://publications.waset.org/abstracts/135664/phenotypic-characterisation-of-bapedi-sheep-breed" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135664.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">213</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">6051</span> Synthesis Using Sintering and Characterisation of FeCrCoNiZn Alloy Using SEM and Nanoindentation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Steadyman%20Chikumba">Steadyman Chikumba</a>, <a href="https://publications.waset.org/abstracts/search?q=Vasudeva%20Vereedhi%20Rao"> Vasudeva Vereedhi Rao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper reports on the synthesis of FeCrCoNiZn and its characterisation using SEM and nanoindentation. The high entropy alloy FeCrCoNiZn was fabricated using spark plasma sintering at a temperature of 1100ᵒC from powders mixed for 9 hours. The powders mixture was equimolar, and the resultant microstructure had a single crystalline structure when studied under SEM. Several nano Vickers hardness measurements were taken on a polished surface etched by Nital solution. The hardness ranged from 711 Vickers to a maximum of 1773.2. The alloy FeCrCoNiZn showed a nano hardness of 1070 Vickers and a modulus of elasticity of 460.4 MPa. The process managed to fabricate a very hard material that can find applications where wear resistance is desired. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=high%20entropy%20alloy" title="high entropy alloy">high entropy alloy</a>, <a href="https://publications.waset.org/abstracts/search?q=FeCrVNiZn" title=" FeCrVNiZn"> FeCrVNiZn</a>, <a href="https://publications.waset.org/abstracts/search?q=nanohardness" title=" nanohardness"> nanohardness</a>, <a href="https://publications.waset.org/abstracts/search?q=SEM" title=" SEM"> SEM</a> </p> <a href="https://publications.waset.org/abstracts/149240/synthesis-using-sintering-and-characterisation-of-fecrconizn-alloy-using-sem-and-nanoindentation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/149240.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">6050</span> Material Response Characterisation of a PolyJet 3D Printed Human Infant Skull </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=G.%20A.%20Khalid">G. A. Khalid</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Prabhu"> R. Prabhu</a>, <a href="https://publications.waset.org/abstracts/search?q=W.%20Whittington"> W. Whittington</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20D.%20Jones"> M. D. Jones</a> </p> <p class="card-text"><strong>Abstract:</strong></p> To establish a causal relationship of infant head injury consequences, this present study addresses the necessary challenges of cranial geometry and the physical response complexities of the paediatric head tissues. Herein, we describe a new approach to characterising and understanding infant head impact mechanics by developing printed head models, using high resolution clinical postmortem imaging, to provide the most complete anatomical representation currently available, and biological material response data-matched polypropylene polymers, to replicate the relative mechanical response properties of immature cranial bone, sutures and fontanelles. Additive manufacturing technology was applied to creating a physical polymeric model of a newborn infant skull, using PolyJet printed materials. Infant skull materials responses, were matched by a response characterisation study, utilising uniaxial tensile testing (1 mm min-1 loading rate), to determine: the stiffness, ultimate tensile strength and maximum strain of rigid and rubber additively manufactured acrylates. The results from the mechanical experiments confirm that the polymeric materials RGD835 Vero White Plus (White), representing the frontal and parietal bones; RGD8510- DM Rigid Light Grey25 (Grey), representing the occipital bone; and FLX9870-DM (Black) representing the suture and fontanelles, were found to show a close stiffness -correlation (E) at ambient temperatures. A 3D physical model of infant head was subsequently printed from the matched materials and subsequently validated against results obtained from a series of Post Mortem Human Surrogate (PMHS) tests. A close correlation was demonstrated between the model impact tests and the PMHS. This study, therefore, represents a key step towards applying printed physical models to understanding head injury biomechanics and is useful in the efforts to predict and mitigate head injury consequences in infants, whether accidental or by abuse. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=infant%20head%20trauma" title="infant head trauma">infant head trauma</a>, <a href="https://publications.waset.org/abstracts/search?q=infant%20skull" title=" infant skull"> infant skull</a>, <a href="https://publications.waset.org/abstracts/search?q=material%20response" title=" material response"> material response</a>, <a href="https://publications.waset.org/abstracts/search?q=post%20mortem%20human%20subjects" title=" post mortem human subjects"> post mortem human subjects</a>, <a href="https://publications.waset.org/abstracts/search?q=polyJet%20printing" title=" polyJet printing"> polyJet printing</a> </p> <a href="https://publications.waset.org/abstracts/89613/material-response-characterisation-of-a-polyjet-3d-printed-human-infant-skull" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/89613.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">140</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">6049</span> Preparation and Properties of NR Based Ebonite Rubber Suitable for Use as Engineering Material</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dosu%20Malomo">Dosu Malomo</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20E.%20Edeh"> O. E. Edeh</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20O.%20Okolo"> P. O. Okolo</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20C.%20Ibeh"> F. C. Ibeh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The preparation of various samples of ebonite vulcanizates and their physico-mechanical properties have been investigated using standard methods. This work explores the production of ebonite dust, production of ebonite vulcanizates and investigation of the characterisation of the ebonite. Five different ebonite materials – labelled A, B, C, D, and E with sulphur content in parts per hundred grams of rubber (Phr) of 32, 34, 36, 38 and 40 respectively were produced. The physico-mechanical properties carried out were tensile strength, hardness and abrasion resistance. The tensile strength (MPa) for sample A, B, C, D and E were 5.6, 3.5, 4.7, 1.7 and 2.0 respectively while the abrasion(%mass loss) were 8.49, 4.24, 2.59, 1.08 and 1.05 respectively and the hardness (IRHD) being 63, 64, 65, 70 and 82. The results show that the preparation of ebonite from natural rubber as a base polymer is feasible considering the results of characterisation obtained. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=compounding" title="compounding">compounding</a>, <a href="https://publications.waset.org/abstracts/search?q=ebonite%20dust" title=" ebonite dust"> ebonite dust</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20rubber" title=" natural rubber"> natural rubber</a>, <a href="https://publications.waset.org/abstracts/search?q=vulcanization" title=" vulcanization"> vulcanization</a> </p> <a href="https://publications.waset.org/abstracts/56400/preparation-and-properties-of-nr-based-ebonite-rubber-suitable-for-use-as-engineering-material" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56400.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">162</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">6048</span> MONDO Neutron Tracker Characterisation by Means of Proton Therapeutical Beams and MonteCarlo Simulation Studies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=G.%20Traini">G. Traini</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Giacometti"> V. Giacometti</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Mirabelli"> R. Mirabelli</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Patera"> V. Patera</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Pinci"> D. Pinci</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Sarti"> A. Sarti</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Sciubba"> A. Sciubba</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Marafini"> M. Marafini</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The MONDO (MOnitor for Neutron Dose in hadrOntherapy) project aims a precise characterisation of the secondary fast and ultrafast neutrons produced in particle therapy treatments. The detector is composed of a matrix of scintillating fibres (250 um) readout by CMOS Digital-SPAD based sensors. Recoil protons from n-p elastic scattering are detected and used to track neutrons. A prototype was tested with proton beams (Trento Proton Therapy Centre): efficiency, light yield, and track-reconstruction capability were studied. The results of a MonteCarlo FLUKA simulation used to evaluated double scattering efficiency and expected backgrounds will be presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=secondary%20neutrons" title="secondary neutrons">secondary neutrons</a>, <a href="https://publications.waset.org/abstracts/search?q=particle%20therapy" title=" particle therapy"> particle therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=tracking" title=" tracking"> tracking</a>, <a href="https://publications.waset.org/abstracts/search?q=elastic%20scattering" title=" elastic scattering"> elastic scattering</a> </p> <a href="https://publications.waset.org/abstracts/73773/mondo-neutron-tracker-characterisation-by-means-of-proton-therapeutical-beams-and-montecarlo-simulation-studies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/73773.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">266</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">6047</span> Advanced Particle Characterisation of Suspended Sediment in the Danube River Using Automated Imaging and Laser Diffraction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fl%C3%B3ra%20Pom%C3%A1zi">Flóra Pomázi</a>, <a href="https://publications.waset.org/abstracts/search?q=S%C3%A1ndor%20Baranya"> Sándor Baranya</a>, <a href="https://publications.waset.org/abstracts/search?q=Zolt%C3%A1n%20Szalai"> Zoltán Szalai</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A harmonized monitoring of the suspended sediment transport along such a large river as the world’s most international river, the Danube River, is a rather challenging task. The traditional monitoring method in Hungary is obsolete but using indirect measurement devices and techniques like optical backscatter sensors (OBS), laser diffraction or acoustic backscatter sensors (ABS) could provide a fast and efficient alternative option of direct methods. However, these methods are strongly sensitive to the particle characteristics (i.e. particle shape, particle size and mineral composition). The current method does not provide sufficient information about particle size distribution, mineral analysis is rarely done, and the shape of the suspended sediment particles have not been examined yet. The aims of the study are (1) to determine the particle characterisation of suspended sediment in the Danube River using advanced particle characterisation methods as laser diffraction and automated imaging, and (2) to perform a sensitivity analysis of the indirect methods in order to determine the impact of suspended particle characteristics. The particle size distribution is determined by laser diffraction. The particle shape and mineral composition analysis is done by the Morphologi G3ID image analyser. The investigated indirect measurement devices are the LISST-Portable|XR, the LISST-ABS (Sequoia Inc.) and the Rio Grande 1200 kHz ADCP (Teledyne Marine). The major findings of this study are (1) the statistical shape of the suspended sediment particle - this is the first research in this context, (2) the actualised particle size distribution – that can be compared to historical information, so that the morphological changes can be tracked, (3) the actual mineral composition of the suspended sediment in the Danube River, and (4) the reliability of the tested indirect methods has been increased – based on the results of the sensitivity analysis and the previous findings. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=advanced%20particle%20characterisation" title="advanced particle characterisation">advanced particle characterisation</a>, <a href="https://publications.waset.org/abstracts/search?q=automated%20imaging" title=" automated imaging"> automated imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=indirect%20methods" title=" indirect methods"> indirect methods</a>, <a href="https://publications.waset.org/abstracts/search?q=laser%20diffraction" title=" laser diffraction"> laser diffraction</a>, <a href="https://publications.waset.org/abstracts/search?q=mineral%20composition" title=" mineral composition"> mineral composition</a>, <a href="https://publications.waset.org/abstracts/search?q=suspended%20sediment" title=" suspended sediment"> suspended sediment</a> </p> <a href="https://publications.waset.org/abstracts/118731/advanced-particle-characterisation-of-suspended-sediment-in-the-danube-river-using-automated-imaging-and-laser-diffraction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/118731.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">6046</span> Characterisation of Extracellular Polymeric Substances from Bacteria Isolated from Acid Mine Decant in Gauteng, South Africa</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nonhlanhla%20Nkosi">Nonhlanhla Nkosi</a>, <a href="https://publications.waset.org/abstracts/search?q=Kulsum%20Kondiah"> Kulsum Kondiah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The toxicological manifestation of heavy metals motivates interest towards the development of a reliable, eco-friendly biosorption process. With that being said, the aim of the current study was to characterise the EPS from heavy-metal resistant bacteria isolated from acid mine decant on the West Rand, Gauteng, South Africa. To achieve this, six exopolysaccharide (EPS) producing, metal resistant strains (Pb101, Pb102, Pb103, Pb204, Co101, and Ni101) were identified as Bacillus safensis strain NBRC 100820, Bacillus proteolyticus, Micrococcus luteus, Enterobacter sp. Pb204, Bacillus wiedmannii and Bacillus zhangzhouensis, respectively with 16S rRNA sequencing. Thereafter, EPS was extracted using chemical (formaldehyde/NaOH) and physical (ultrasonification) methods followed by physicochemical characterisation of carbohydrate, DNA, and protein contents using chemical assays and spectroscopy (FTIR- Fourier transformed infrared and 3DEEM- three-dimensional excitation-emission matrix fluorescence spectroscopy). EPS treated with formaldehyde/NaOH showed better recovery of macromolecules than ultrasonification. The results of the present study showed that carbohydrates were more abundant than proteins, with carbohydrate and protein concentrations of 8.00 mg/ml and 0.22 mg/ml using chemical method in contrast to 5.00 mg/ml and 0.77 mg/ml using physical method, respectively. The FTIR spectroscopy results revealed that the extracted EPS contained hydroxyl, amide, acyl, and carboxyl groups that corresponded to the aforementioned chemical analysis results, thus asserting the presence of carbohydrates, DNA, polysaccharides, and proteins in the EPS. These findings suggest that identified functional groups of EPS form surface charges, which serve as the binding sites for suspended particles, thus possibly mediating adsorption of divalent cations and heavy metals. Using the extracted EPS in the development of a cost-effective biosorption solution for industrial wastewater treatment is attainable. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biosorbent" title="biosorbent">biosorbent</a>, <a href="https://publications.waset.org/abstracts/search?q=exopolysaccharides" title=" exopolysaccharides"> exopolysaccharides</a>, <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=wastewater%20treatment" title=" wastewater treatment"> wastewater treatment</a> </p> <a href="https://publications.waset.org/abstracts/121388/characterisation-of-extracellular-polymeric-substances-from-bacteria-isolated-from-acid-mine-decant-in-gauteng-south-africa" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/121388.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">148</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6045</span> Isolation, Purification and Characterisation of Non-Digestible Oligosaccharides Derived from Extracellular Polysaccharide of Antarctic Fungus Thelebolus Sp. IITKGP-BT12 </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abinaya%20Balasubramanian">Abinaya Balasubramanian</a>, <a href="https://publications.waset.org/abstracts/search?q=Satyabrata%20Ghosh"> Satyabrata Ghosh</a>, <a href="https://publications.waset.org/abstracts/search?q=Satyahari%20Dey"> Satyahari Dey</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Non-Digestible Oligosaccharides(NDOs) are low molecular weight carbohydrates with degree of polymerization (DP) 3-20, that are delivered intact to the large intestine. NDOs are gaining attention as effective prebiotic molecules that facilitate prevention and treatment of several chronic diseases. Recently, NDOs are being obtained by cleaving complex polysaccharides as it results in high yield and also as the former tend to display greater bioactivity. Thelebolus sp. IITKGP BT-12, a recently identified psychrophilic, Ascomycetes fungus has been reported to produce a bioactive extracellular polysaccharide(EPS). The EPS has been proved to possess strong prebiotic activity and anti- proliferative effects. The current study is an attempt to identify and optimise the most suitable method for hydrolysis of the above mentioned novel EPS into NDOs, and further purify and characterise the same. Among physical, chemical and enzymatic methods, enzymatic hydrolysis was identified as the best method and the optimum hydrolysis conditions obtained using response surface methodology were: reaction time of 24h, β-(1,3) endo-glucanase concentration of 0.53U and substrate concentration of 10 mg/ml. The NDOs were purified using gel filtration chromatography and their molecular weights were determined using MALDI-TOF. The major fraction was found to have a DP of 7,8. The monomeric units of the NDOs were confirmed to be glucose using TLC and GCMS-MS analysis. The obtained oligosaccharides proved to be non-digestible when subjected to gastric acidity, salivary and pancreatic amylases and hence could serve as efficient prebiotics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=characterisation" title="characterisation">characterisation</a>, <a href="https://publications.waset.org/abstracts/search?q=enzymatic%20hydrolysis" title=" enzymatic hydrolysis"> enzymatic hydrolysis</a>, <a href="https://publications.waset.org/abstracts/search?q=non-digestible%20oligosaccharides" title=" non-digestible oligosaccharides"> non-digestible oligosaccharides</a>, <a href="https://publications.waset.org/abstracts/search?q=response%20surface%20methodology" title=" response surface methodology"> response surface methodology</a> </p> <a href="https://publications.waset.org/abstracts/104989/isolation-purification-and-characterisation-of-non-digestible-oligosaccharides-derived-from-extracellular-polysaccharide-of-antarctic-fungus-thelebolus-sp-iitkgp-bt12" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/104989.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">129</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">6044</span> Preparation, Characterisation and Electrical Properties of Metal/polymer-DNA Nanohybrids</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Almaky">Mahdi Almaky</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Conducting polymer of N-(3-pyrrol-1-yl-propyl)-2,2`-bipyridinium hexafluoro-phosphate (PPBH) was prepared via chemical and electrochemical polymerization methods. The bulk polymer showed conductivity in the order of 10-12 S cm-1. DNA-templated polymer nano wires of PPBH (PolyPPBH-DNA) have been chemically prepared then used as templates to direct the formation of metal nanowires (Cu) in order to enhance the electrical properties of the polymer/DNA wires. The chemical structures, morphology and the electrical characterisation of the as obtained structures have been characterized through spectroscopic (FTIR, UV-vis and XPS), single-crystal X-ray diffraction and microscopic (AFM, EFM and c-AFM) techniques. The morphology of the nanomaterials has been observed by AFM; showing the nanowires are uniform and continuous. The polymer conductivity was slightly improved after metallization. The conductivity of Cu-PolyPPBH-DNA nanowires was estimated to be 7.1x10-2 S cm-1. This conductivity is slightly higher than the conductivity of PolyPPBH-DNA nano wires (2.0 x 10-2 S cm-1), but it is lower than the measurements for PPy/DNA nano wires (2.1 x 10-1 S cm-1) prepared and measured by using c-AFM probe. These results reflect the large effect of the chemical structure (N-substitution) on the electrical properties of these polymers by reducing the extended conjugation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=DNA" title="DNA">DNA</a>, <a href="https://publications.waset.org/abstracts/search?q=template" title=" template"> template</a>, <a href="https://publications.waset.org/abstracts/search?q=nano%20wires" title=" nano wires"> nano wires</a>, <a href="https://publications.waset.org/abstracts/search?q=N-Alkylatedpyrrole" title=" N-Alkylatedpyrrole"> N-Alkylatedpyrrole</a>, <a href="https://publications.waset.org/abstracts/search?q=copper" title=" copper"> copper</a> </p> <a href="https://publications.waset.org/abstracts/23167/preparation-characterisation-and-electrical-properties-of-metalpolymer-dna-nanohybrids" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23167.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">422</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6043</span> On the Possibility of Real Time Characterisation of Ambient Toxicity Using Multi-Wavelength Photoacoustic Instrument</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tibor%20Ajtai">Tibor Ajtai</a>, <a href="https://publications.waset.org/abstracts/search?q=M%C3%A1t%C3%A9%20Pint%C3%A9r"> Máté Pintér</a>, <a href="https://publications.waset.org/abstracts/search?q=No%C3%A9mi%20Utry"> Noémi Utry</a>, <a href="https://publications.waset.org/abstracts/search?q=Gergely%20Kiss-Albert"> Gergely Kiss-Albert</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrea%20Pal%C3%A1gyi"> Andrea Palágyi</a>, <a href="https://publications.waset.org/abstracts/search?q=L%C3%A1szl%C3%B3%20Manczinger"> László Manczinger</a>, <a href="https://publications.waset.org/abstracts/search?q=Csaba%20V%C3%A1gv%C3%B6lgyi"> Csaba Vágvölgyi</a>, <a href="https://publications.waset.org/abstracts/search?q=G%C3%A1bor%20Szab%C3%B3"> Gábor Szabó</a>, <a href="https://publications.waset.org/abstracts/search?q=Zolt%C3%A1n%20Boz%C3%B3ki"> Zoltán Bozóki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> According to the best knowledge of the authors, here we experimentally demonstrate first, a quantified correlation between the real-time measured optical feature of the ambient and the off-line measured toxicity data. Finally, using these correlations we are presenting a novel methodology for real time characterisation of ambient toxicity based on the multi wavelength aerosol phase photoacoustic measurement. Ambient carbonaceous particulate matter is one of the most intensively studied atmospheric constituent in climate science nowadays. Beyond their climatic impact, atmospheric soot also plays an important role as an air pollutant that harms human health. Moreover, according to the latest scientific assessments ambient soot is the second most important anthropogenic emission source, while in health aspect its being one of the most harmful atmospheric constituents as well. Despite of its importance, generally accepted standard methodology for the quantitative determination of ambient toxicology is not available yet. Dominantly, ambient toxicology measurement is based on the posterior analysis of filter accumulated aerosol with limited time resolution. Most of the toxicological studies are based on operational definitions using different measurement protocols therefore the comprehensive analysis of the existing data set is really limited in many cases. The situation is further complicated by the fact that even during its relatively short residence time the physicochemical features of the aerosol can be masked significantly by the actual ambient factors. Therefore, decreasing the time resolution of the existing methodology and developing real-time methodology for air quality monitoring are really actual issues in the air pollution research. During the last decades many experimental studies have verified that there is a relation between the chemical composition and the absorption feature quantified by Absorption Angström Exponent (AAE) of the carbonaceous particulate matter. Although the scientific community are in the common platform that the PhotoAcoustic Spectroscopy (PAS) is the only methodology that can measure the light absorption by aerosol with accurate and reliable way so far, the multi-wavelength PAS which are able to selectively characterise the wavelength dependency of absorption has become only available in the last decade. In this study, the first results of the intensive measurement campaign focusing the physicochemical and toxicological characterisation of ambient particulate matter are presented. Here we demonstrate the complete microphysical characterisation of winter time urban ambient including optical absorption and scattering as well as size distribution using our recently developed state of the art multi-wavelength photoacoustic instrument (4λ-PAS), integrating nephelometer (Aurora 3000) as well as single mobility particle sizer and optical particle counter (SMPS+C). Beyond this on-line characterisation of the ambient, we also demonstrate the results of the eco-, cyto- and genotoxicity measurements of ambient aerosol based on the posterior analysis of filter accumulated aerosol with 6h time resolution. We demonstrate a diurnal variation of toxicities and AAE data deduced directly from the multi-wavelength absorption measurement results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=photoacoustic%20spectroscopy" title="photoacoustic spectroscopy">photoacoustic spectroscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=absorption%20Angstr%C3%B6m%20exponent" title=" absorption Angström exponent"> absorption Angström exponent</a>, <a href="https://publications.waset.org/abstracts/search?q=toxicity" title=" toxicity"> toxicity</a>, <a href="https://publications.waset.org/abstracts/search?q=Ames-test" title=" Ames-test"> Ames-test</a> </p> <a href="https://publications.waset.org/abstracts/40416/on-the-possibility-of-real-time-characterisation-of-ambient-toxicity-using-multi-wavelength-photoacoustic-instrument" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40416.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">302</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6042</span> Physical and Thermo-Physical Properties of High Strength Concrete Containing Raw Rice Husk after High Temperature Effect</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=B.%20Akturk">B. Akturk</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Yuzer"> N. Yuzer</a>, <a href="https://publications.waset.org/abstracts/search?q=N.%20Kabay"> N. Kabay</a> </p> <p class="card-text"><strong>Abstract:</strong></p> High temperature is one of the most detrimental effects that cause important changes in concrete’s mechanical, physical, and thermo-physical properties. As a result of these changes, especially high strength concrete (HSC), may exhibit damages such as cracks and spallings. To overcome this problem, incorporating polymer fibers such as polypropylene (PP) in concrete is a very well-known method. In this study, using RRH as a sustainable material instead of PP fiber in HSC to prevent spallings and improve physical and thermo-physical properties were investigated. Therefore, seven HSC mixtures with 0.25 water to binder ratio were prepared, incorporating silica fume and blast furnace slag. PP and RRH were used at 0.2-0.5% and 0.5-3% by weight of cement, respectively. All specimens were subjected to high temperatures (20 (control), 300, 600 and 900˚C) with a heating rate of 2.5˚C/min and after cooling, residual physical and thermo-physical properties were determined. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=high%20temperature" title="high temperature">high temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20strength%20concrete" title=" high strength concrete"> high strength concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=polypropylene%20fiber" title=" polypropylene fiber"> polypropylene fiber</a>, <a href="https://publications.waset.org/abstracts/search?q=raw%20rice%20husk" title=" raw rice husk"> raw rice husk</a>, <a href="https://publications.waset.org/abstracts/search?q=thermo-physical%20properties" title=" thermo-physical properties"> thermo-physical properties</a> </p> <a href="https://publications.waset.org/abstracts/6212/physical-and-thermo-physical-properties-of-high-strength-concrete-containing-raw-rice-husk-after-high-temperature-effect" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6212.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">273</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">6041</span> Registered Nurse's Attitudes and Practices towards Physical Examination in the Clinical Settings</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Besher%20Gharaibeh">Besher Gharaibeh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article addressed the issue of using physical exam in nursing. Nurses hold different attitudes toward using physical exam in the clinical settings. These attitudes determine to embrace physical examination in practice. So, the aim of the study was to examine registered nurses’ attitudes and practices, identify perceived barriers, and to identify the factors which influence the performance and the attitudes towards physical examinations. Results showed that even though nurses reported performing physical exam often, they had negative attitudes toward it. Stress and performing physical examinations on someone of the opposite gender (n=236; 87.4%) were the main barriers. Nurse's level of education influenced the attitude (t=-4.3; p < .01). These results indicated that RNs recognize the necessity of physical examinations, but they face many barriers and challenges which hinder the performance of the examination. Cultural factors and experience were the most influential barriers which deter performance of the physical examination. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=physical%20exam" title="physical exam">physical exam</a>, <a href="https://publications.waset.org/abstracts/search?q=nursing" title=" nursing"> nursing</a>, <a href="https://publications.waset.org/abstracts/search?q=barriers" title=" barriers"> barriers</a>, <a href="https://publications.waset.org/abstracts/search?q=practices" title=" practices"> practices</a>, <a href="https://publications.waset.org/abstracts/search?q=attitudes" title=" attitudes"> attitudes</a> </p> <a href="https://publications.waset.org/abstracts/93757/registered-nurses-attitudes-and-practices-towards-physical-examination-in-the-clinical-settings" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/93757.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">167</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">6040</span> Characterisation of the H-ZSM-5 Zeolite Samples Synthesized in Wide Range of Si/Al Ratios and with H₂SO₄ and CH₃COOH Acids Used for Transformation to H-Form</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mladen%20Jankovic">Mladen Jankovic</a>, <a href="https://publications.waset.org/abstracts/search?q=Biljana%20Djuric"> Biljana Djuric</a>, <a href="https://publications.waset.org/abstracts/search?q=Djurdja%20Oljaca"> Djurdja Oljaca</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Damjanovic"> Vladimir Damjanovic</a>, <a href="https://publications.waset.org/abstracts/search?q=Radislav%20Filipovic"> Radislav Filipovic</a>, <a href="https://publications.waset.org/abstracts/search?q=Zoran%20Obrenovic"> Zoran Obrenovic</a> </p> <p class="card-text"><strong>Abstract:</strong></p> One of the key characteristics of zeolites with ZSM-5 crystalline form is the possibility of synthesis in a wide range of molar ratios, from the relatively low ratio of about 20 to highly silicate forms with a Si/Al ratio over 1000. For industrial production and commercial use of this type of zeolite, it is very important to know the influence of the molar Si/Al ratio on the characteristics of zeolite powders. In this paper, the influence of the Si/Al ratio on the characteristics of H-ZSM-5 zeolites synthesized in the presence of tetrapropylammonium bromide is questioned, including the possibility of conversion to the H-form using different acids. The quality of the samples is characterized in terms of crystallinity, chemical composition, morphology, granulometry, specific surface area (BET), pore size and acidity. XRD, FT-IR, EDX, ICP, SEM and TPD instrumental techniques were used to characterize the samples. In most of the performed syntheses, zeolite has been obtained with very good properties. It was shown that the examined conditions have a significant influence on the characteristics of the synthesized powders. The different chemical composition of the starting mixture, ie. the Si/Al ratio, has a very significant influence on the crystal structure of the synthesized powders, and thus on the other tested characteristics. It has been observed that optimal ion exchange results for powders of different Si/Al ratios are achieved by using different acids. Also, the dependence of the specific surface on the concentration of H+ or Na+ ions was confirmed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Characterisation" title="Characterisation">Characterisation</a>, <a href="https://publications.waset.org/abstracts/search?q=H-ZSM-5" title=" H-ZSM-5"> H-ZSM-5</a>, <a href="https://publications.waset.org/abstracts/search?q=molar%20ratio" title=" molar ratio"> molar ratio</a>, <a href="https://publications.waset.org/abstracts/search?q=synthesis" title=" synthesis"> synthesis</a>, <a href="https://publications.waset.org/abstracts/search?q=tetrapropylammonium%20bromide" title=" tetrapropylammonium bromide"> tetrapropylammonium bromide</a> </p> <a href="https://publications.waset.org/abstracts/139530/characterisation-of-the-h-zsm-5-zeolite-samples-synthesized-in-wide-range-of-sial-ratios-and-with-h2so4-and-ch3cooh-acids-used-for-transformation-to-h-form" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/139530.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">199</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">6039</span> Characterisation of the Physical Properties of Debris and Residual Soils Implications for the Possible Landslides Occurrence on Cililin West Java</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ikah%20Ning%20Prasetiowati%20Permanasari">Ikah Ning Prasetiowati Permanasari</a>, <a href="https://publications.waset.org/abstracts/search?q=Gunawan%20Handayani"> Gunawan Handayani</a>, <a href="https://publications.waset.org/abstracts/search?q=Lilik%20Hendrajaya"> Lilik Hendrajaya</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Landslide occurence at Mukapayung, Cililin West Java with material movement downward slope as far as 500m and hit residential areas of the village Nagrog cause eighteen people died and ten homes were destroyed and twenty-three heads of families evacuated. In order to test the hypothesis that soil at the landslides area is prone to landslides, we do drilling and the following tests were taken: particle size distribution, atterberg limits, shear strength, density, shringkage limits and triaxial unconsolidated and consolidated undrained test. Factor of safety was calculated to find out the possibility of subsequent landslides. The value of FOS of three layers is 1,05 which means that the soil in a critical condition and would be imminent to slide if there is disruption from the outside. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=atterberg%20limits" title="atterberg limits">atterberg limits</a>, <a href="https://publications.waset.org/abstracts/search?q=particle%20size%20distribution" title=" particle size distribution"> particle size distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=shear%20strength%20parameters" title=" shear strength parameters"> shear strength parameters</a>, <a href="https://publications.waset.org/abstracts/search?q=slope%20geometry" title=" slope geometry"> slope geometry</a>, <a href="https://publications.waset.org/abstracts/search?q=factor%20of%20safety" title=" factor of safety"> factor of safety</a> </p> <a href="https://publications.waset.org/abstracts/81593/characterisation-of-the-physical-properties-of-debris-and-residual-soils-implications-for-the-possible-landslides-occurrence-on-cililin-west-java" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81593.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">149</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">6038</span> Prevalence of Physical Activity Levels and Perceived Benefits of and Barriers to Physical Activity among Jordanian Patients with Coronary Heart Disease: A Cross-Sectional Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eman%20Ahmed%20Alsaleh">Eman Ahmed Alsaleh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Many studies published in other countries identified certain perceived benefits and barriers to physical activity among patients with coronary heart disease. Nevertheless, there is no data about the issue relating to Jordanian patients with coronary heart disease. Objective: This study aimed to describe the prevalence of level of physical activity, benefits of and barriers to physical activity as perceived by Jordanian patients with coronary heart disease, and the relationship between physical activity and perceived benefits of and barriers to physical activity. In addition, it focused on examining the influence of selected sociodemographic and health characteristics on physical activity and the perceived benefits of and barriers to physical activity. Methods: A cross-sectional design was performed on a sample of 400 patients with coronary heart disease. They were given a list of perceived benefits and barriers to physical activity and asked to what extent they disagreed or agreed with each. Results: Jordanian patients with coronary heart disease perceived various benefits and barriers to physical activity. Most of these benefits were physiologically related (average mean = 5.7, SD = .7). The most substantial barriers to physical activity as perceived by the patients were: feeling anxiety, not having enough time, lack of interest, bad weather, and feeling of being uncomfortable. Sociodemographic and health characteristics that significantly influenced perceived barriers to physical activity were age, gender, health perception, chest pain frequency, education, job, caring responsibilities, ability to travel alone, smoking, and previous and current physical activity behaviour. Conclusion: This research demonstrates that patients with coronary heart disease have perceived physiological benefits of physical activity, and they have perceived motivational, physical health, and environmental barriers to physical activity, which is significant in developing intervention strategies that aim to maximize patients' participation in physical activity and overcome barriers to physical activity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=prevalence" title="prevalence">prevalence</a>, <a href="https://publications.waset.org/abstracts/search?q=coronary%20heart%20disease" title=" coronary heart disease"> coronary heart disease</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20activity" title=" physical activity"> physical activity</a>, <a href="https://publications.waset.org/abstracts/search?q=perceived%20barriers" title=" perceived barriers"> perceived barriers</a> </p> <a href="https://publications.waset.org/abstracts/158570/prevalence-of-physical-activity-levels-and-perceived-benefits-of-and-barriers-to-physical-activity-among-jordanian-patients-with-coronary-heart-disease-a-cross-sectional-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/158570.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">113</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">6037</span> Production, Characterisation and Assessment of Biomixture Fuels for Compression Ignition Engine Application</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=K.%20Masera">K. Masera</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20K.%20Hossain"> A. K. Hossain</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Hardly any neat biodiesel satisfies the European EN14214 standard for compression ignition engine application. To satisfy the EN14214 standard, various additives are doped into biodiesel; however, biodiesel additives might cause other problems such as increase in the particular emission and increased specific fuel consumption. In addition, the additives could be expensive. Considering the increasing level of greenhouse gas GHG emissions and fossil fuel depletion, it is forecasted that the use of biodiesel will be higher in the near future. Hence, the negative aspects of the biodiesel additives will likely to gain much more importance and need to be replaced with better solutions. This study aims to satisfy the European standard EN14214 by blending the biodiesels derived from sustainable feedstocks. Waste Cooking Oil (WCO) and Animal Fat Oil (AFO) are two sustainable feedstocks in the EU (including the UK) for producing biodiesels. In the first stage of the study, these oils were transesterified separately and neat biodiesels (W100 & A100) were produced. Secondly, the biodiesels were blended together in various ratios: 80% WCO biodiesel and 20% AFO biodiesel (W80A20), 60% WCO biodiesel and 40% AFO biodiesel (W60A40), 50% WCO biodiesel and 50% AFO biodiesel (W50A50), 30% WCO biodiesel and 70% AFO biodiesel (W30A70), 10% WCO biodiesel and 90% AFO biodiesel (W10A90). The prepared samples were analysed using Thermo Scientific Trace 1300 Gas Chromatograph and ISQ LT Mass Spectrometer (GC-MS). The GS-MS analysis gave Fatty Acid Methyl Ester (FAME) breakdowns of the fuel samples. It was found that total saturation degree of the samples was linearly increasing (from 15% for W100 to 54% for A100) as the percentage of the AFO biodiesel was increased. Furthermore, it was found that WCO biodiesel was mainly (82%) composed of polyunsaturated FAMEs. Cetane numbers, iodine numbers, calorific values, lower heating values and the densities (at 15 <sup>o</sup>C) of the samples were estimated by using the mass percentages data of the FAMEs. Besides, kinematic viscosities (at 40 °C and 20<strong> °</strong>C), densities (at 15 °C), heating values and flash point temperatures of the biomixture samples were measured in the lab. It was found that estimated and measured characterisation results were comparable. The current study concluded that biomixture fuel samples W60A40 and W50A50 were perfectly satisfying the European EN 14214 norms without any need of additives. Investigation on engine performance, exhaust emission and combustion characteristics will be conducted to assess the full feasibility of the proposed biomixture fuels. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biodiesel" title="biodiesel">biodiesel</a>, <a href="https://publications.waset.org/abstracts/search?q=blending" title=" blending"> blending</a>, <a href="https://publications.waset.org/abstracts/search?q=characterisation" title=" characterisation"> characterisation</a>, <a href="https://publications.waset.org/abstracts/search?q=CI%20engine" title=" CI engine"> CI engine</a> </p> <a href="https://publications.waset.org/abstracts/81726/production-characterisation-and-assessment-of-biomixture-fuels-for-compression-ignition-engine-application" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81726.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">165</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6036</span> Level of Physical Activity and Physical Fitness, and Attitudes towards Physical Activity among Senior Medical Students of Sultan Qaboos University, Sultanate of Oman</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hajar%20Al%20Rajaibi">Hajar Al Rajaibi</a>, <a href="https://publications.waset.org/abstracts/search?q=Kawla%20Al%20Toubi"> Kawla Al Toubi</a>, <a href="https://publications.waset.org/abstracts/search?q=Saeed%20Al%20Jaadi"> Saeed Al Jaadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Deepali%20Jaju"> Deepali Jaju</a>, <a href="https://publications.waset.org/abstracts/search?q=Sanjay%20Jaju"> Sanjay Jaju</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: The available evidence in Oman on lack of physical activity call for immediate intervention. Physical activity counseling by doctors to their patients is influenced by their attitudes and personal physical fitness. To our best knowledge, the physical activity status of Omani medical students has not been addressed before. These future doctors will have a critical role in improving physical activity in patients and thus their overall health. Objective: The aim of the study is to assess the physical activity level, physical fitness level, and attitudes towards physical activity among Sultan Qaboos University senior medical students. Methods: In this cross-sectional study (N=110; males 55), physical activity level was assessed using International Physical Activity Questionnaire (IPAQ ) short form and attitudes towards physical activity using a fifty-four-items Kenyon questionnaire. The physical fitness level was assessed by estimating maximal oxygen uptake (VO₂max) using Chester step test. Results: Female students reported more sitting time more than 7hr/day (85.5%) compared to male students (40%; p < 0.05). The IPAQ revealed moderate level of physical activity in 58% of students. Students showed a high positive attitude towards physical activity for health and fitness and low attitude for physical activity as tension and risk. Both female and male students had a similar level and attitude towards physical activity. Physical fitness level was excellent (VO₂max > 55ml O₂/kg/min) in 11% of students, good (VO₂max>44-54ml O₂/kg/min) in 49% and average to below-average in 40%. Objectively measured physical fitness level, subjectively reported physical activity level or attitudes towards physical activity were not correlated. Conclusion: Omani medical students have a positive attitude towards physical activity but moderate physical activity level. Longer sitting time in females need further evaluation. Efforts are required to understand reasons for present physical activity level and to promote good physical activity among medical students by creating more awareness and facilities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chester%20step%20test" title="Chester step test">Chester step test</a>, <a href="https://publications.waset.org/abstracts/search?q=Kenyon%20scale" title=" Kenyon scale"> Kenyon scale</a>, <a href="https://publications.waset.org/abstracts/search?q=medical%20students" title=" medical students"> medical students</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20activity" title=" physical activity"> physical activity</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20fitness" title=" physical fitness"> physical fitness</a> </p> <a href="https://publications.waset.org/abstracts/110676/level-of-physical-activity-and-physical-fitness-and-attitudes-towards-physical-activity-among-senior-medical-students-of-sultan-qaboos-university-sultanate-of-oman" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/110676.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">153</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6035</span> Joint Physical Custody: Lessons from the European Union</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Katarzyna%20Kami%C5%84ska">Katarzyna Kamińska</a> </p> <p class="card-text"><strong>Abstract:</strong></p> When thinking about custodial arrangements after divorce or separation, there has been a shift from sole custody, particularly maternal preference, to joint physical custody. In many Western countries, an increasing of children with separated parents have joint physical custody, which is believed to be in the best interests of the child, as children can maintain personal relations and direct contact with both parents on a regular basis. The aim of the article is to examine joint physical custody, both from the perspective of the binding legal instruments that are relevant to joint physical custody, the Principles of European Family Law drafted by the CEFL, as well as the international research on this matter. The thesis underlying this paper is that joint physical custody is in itself neither good nor bad, and it depends on how the arrangements are managed by the parents. The paper includes a reflection on joint physical custody in the face of the COVID-19 crisis. The results indicate that in normal circumstances, joint physical custody demands broad communication, and now it times of crisis, we need over-communication about children and plans. Only a very tight and coordinated co-parenting plan make the whole family safer. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=joint%20physical%20custody" title="joint physical custody">joint physical custody</a>, <a href="https://publications.waset.org/abstracts/search?q=co-parenting" title=" co-parenting"> co-parenting</a>, <a href="https://publications.waset.org/abstracts/search?q=child%20welfare" title=" child welfare"> child welfare</a>, <a href="https://publications.waset.org/abstracts/search?q=COVID-19" title=" COVID-19"> COVID-19</a> </p> <a href="https://publications.waset.org/abstracts/144611/joint-physical-custody-lessons-from-the-european-union" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144611.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">245</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">6034</span> The Effect of Physical Biorhythm Cycle on Health-Related Fitness Factors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Leyli%20Khavari">Leyli Khavari</a>, <a href="https://publications.waset.org/abstracts/search?q=Javad%20Yousefian"> Javad Yousefian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study was to investigate the effect of physical biorhythm cycle on health-related fitness factors. For this purpose, 120 athlete and non-athlete male and female students were selected randomly and based on the level of physical activity divided into athletic and non-athletic groups. The exact date of birth and also when the subjects were in the positive, negative and critical physical biorhythm cycle was determined by calculation software biorhythm. The physical fitness factors tests, including Queens College Step Test, AAHPERD sit-ups; Wells stretch test and hand dynamometer. Students in three stages in positive, negative and critical physical cycle were tested. Data processing using SPSS software and statistical tests ANOVA with repeated measures and student t test was used for dependent. The results of this study showed that changes in physical fitness and physical biorhythm were not affected by changes in the 23-day physical cycle. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=AAHPERD%20test" title="AAHPERD test">AAHPERD test</a>, <a href="https://publications.waset.org/abstracts/search?q=biorhythm" title=" biorhythm"> biorhythm</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20cycle" title=" physical cycle"> physical cycle</a>, <a href="https://publications.waset.org/abstracts/search?q=Queens%20College%20Step%20Test" title=" Queens College Step Test"> Queens College Step Test</a> </p> <a href="https://publications.waset.org/abstracts/73048/the-effect-of-physical-biorhythm-cycle-on-health-related-fitness-factors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/73048.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">182</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">6033</span> Associations Between Executive Function and Physical Fitness in Preschool Children</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aleksander%20Veraksa">Aleksander Veraksa</a>, <a href="https://publications.waset.org/abstracts/search?q=Alla%20Tvardovskaya"> Alla Tvardovskaya</a>, <a href="https://publications.waset.org/abstracts/search?q=Margarita%20Gavrilova"> Margarita Gavrilova</a>, <a href="https://publications.waset.org/abstracts/search?q=Vera%20Yakupova"> Vera Yakupova</a>, <a href="https://publications.waset.org/abstracts/search?q=Martin%20Mus%C3%A1lek"> Martin Musálek</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Considering the current agreement on the significance of executive functions, there is growing interest in determining factors that contribute to the development of these skills, especially during the preschool period. Although multiple studies have been focusing on links between physical activity, physical fitness and executive functions, this topic was more investigated in schoolchildren and adults than in preschoolers. The aim of the current study was to identify different levels of physical fitness among pre-schoolers, followed by an analysis of differences in their executive functions. Participants were 261 5-6-years old children. Inhibitory control and working memory were positively linked with physical fitness. Cognitive flexibility was not associated with physical fitness. The research findings are considered from neuropsychological grounds, Jean Piaget's theory of cognitive development, and the cultural-historical approach. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cognitive%20flexibility" title="cognitive flexibility">cognitive flexibility</a>, <a href="https://publications.waset.org/abstracts/search?q=inhibitory%20control" title=" inhibitory control"> inhibitory control</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20activity" title=" physical activity"> physical activity</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20fitness" title=" physical fitness"> physical fitness</a>, <a href="https://publications.waset.org/abstracts/search?q=working%20memory." title=" working memory."> working memory.</a> </p> <a href="https://publications.waset.org/abstracts/143584/associations-between-executive-function-and-physical-fitness-in-preschool-children" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/143584.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">97</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">6032</span> The Investigation of Correlation between Body Composition and Physical Activity in University Students</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ferruh%20Taspinar">Ferruh Taspinar</a>, <a href="https://publications.waset.org/abstracts/search?q=Gulce%20K.%20Seyyar"> Gulce K. Seyyar</a>, <a href="https://publications.waset.org/abstracts/search?q=Gamze%20Kurt"> Gamze Kurt</a>, <a href="https://publications.waset.org/abstracts/search?q=Eda%20O.%20Okur"> Eda O. Okur</a>, <a href="https://publications.waset.org/abstracts/search?q=Emrah%20Afsar"> Emrah Afsar</a>, <a href="https://publications.waset.org/abstracts/search?q=Ismail%20Saracoglu"> Ismail Saracoglu</a>, <a href="https://publications.waset.org/abstracts/search?q=Betul%20Taspinar"> Betul Taspinar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Alterations of physical activity can effect body composition (especially body fat ratio); however body mass index may not sufficient to indicate these minimal differences. The aim of this study was to evaluate the relationship between body composition and physical activity in university students. In this study, 132 university students (mean age; 21.21±1.51) were included. Tanita BC-418 and International Physical Activity Questionnaire (IPAQ) were used to evaluate participants. The correlation between the parameters was analysed via Spearman correlation analysis. Significance level in statistical analyses was accepted is 0.05. The results showed that there was no correlation between body mass index and physical activity (p>0.05). There was a positive correlation between body muscle ratio and physical activity, whereas a negative correlation between body fat ratio and physical activity (p<0.05). This study showed that body fat and muscle ratio affects the level of physical activity in healthy university students. Therefore, we thought that physical activity might reduce effects of the diseases caused by disturbed body composition. Further studies are required to support this idea. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=body%20composition" title="body composition">body composition</a>, <a href="https://publications.waset.org/abstracts/search?q=body%20mass%20index" title=" body mass index"> body mass index</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20activity" title=" physical activity"> physical activity</a>, <a href="https://publications.waset.org/abstracts/search?q=university%20student" title=" university student"> university student</a> </p> <a href="https://publications.waset.org/abstracts/60659/the-investigation-of-correlation-between-body-composition-and-physical-activity-in-university-students" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60659.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">355</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">6031</span> Mobile Device Applications in Physical Education: Investigating New Pedagogical Possibilities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Danica%20Vidotto">Danica Vidotto</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Digital technology is continuing to disrupt and challenge local conventions of teaching and education. As mobile devices continue to make their way into contemporary classrooms, educators need new pedagogies incorporating information communication technology to help reform the learning environment. In physical education, however, this can seem controversial as physical inactivity is often related to an excess of screen-time. This qualitative research project is an investigation on how physical educators use mobile device applications (apps) in their pedagogy and to what end. A comprehensive literature review is included to examine and engage current academic research of new pedagogies and technology, and their relevance to physical activity. Data were collected through five semi-structured interviews resulting in three overarching themes; i) changing pedagogies in physical education; ii) the perceived benefits and experienced challenges of using apps; and iii) apps, physical activity, and physical education. This study concludes with a discussion of the findings engaging the literature, discussing the implications of findings, and recommendations for future research. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=applications%20%28apps%29" title="applications (apps)">applications (apps)</a>, <a href="https://publications.waset.org/abstracts/search?q=mobile%20devices" title=" mobile devices"> mobile devices</a>, <a href="https://publications.waset.org/abstracts/search?q=new%20pedagogies" title=" new pedagogies"> new pedagogies</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20education" title=" physical education"> physical education</a> </p> <a href="https://publications.waset.org/abstracts/82421/mobile-device-applications-in-physical-education-investigating-new-pedagogical-possibilities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82421.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">193</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">6030</span> Physical Fitness Activities for Elementary School Pupils of Matacon Elementary School</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ariel%20B.%20Domagsang">Ariel B. Domagsang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study dealt with the physical fitness activities for elementary school pupils of Matacon Elementary School, Polangui South District, Albay Division are presented in this chapter. Specifically, it looked into the pre-post test performance based on the Physical Fitness Test which were subjected to statistical significant test of difference including health- and skill-related improvement. Finally, it came up with physical fitness activities to improve the physical fitness performance of the pupils. The descriptive method through survey using questionnaire-checklist, unstructured interview and document(ary) analysis were utilized in this research. There were 171 grades five and six pupil participants in this undertaking. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Matakon" title="Matakon">Matakon</a>, <a href="https://publications.waset.org/abstracts/search?q=fitness%20acitivities" title=" fitness acitivities"> fitness acitivities</a>, <a href="https://publications.waset.org/abstracts/search?q=elementary%20schools" title=" elementary schools"> elementary schools</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20fitness%20of%20pupils" title=" physical fitness of pupils"> physical fitness of pupils</a> </p> <a href="https://publications.waset.org/abstracts/20550/physical-fitness-activities-for-elementary-school-pupils-of-matacon-elementary-school" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20550.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">534</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">6029</span> Physical Activity, Exercise and Physical Fitness in Different Generation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Carl%20J.%20Caspersen">Carl J. Caspersen</a>, <a href="https://publications.waset.org/abstracts/search?q=Kenneth%20E.%20Powell"> Kenneth E. Powell</a>, <a href="https://publications.waset.org/abstracts/search?q=Gregory%20M.%20Christenson"> Gregory M. Christenson</a>, <a href="https://publications.waset.org/abstracts/search?q=Kirupa%20V.%20Patel"> Kirupa V. Patel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> ‘Physical activity’, ‘exercise’, and ‘physical fitness’ are terms that describe different concepts. However, they are often confused with one another, and the terms are sometimes used interchangeably. This paper proposes definitions to distinguish them. Physical activity is defined as any bodily movement produced by skeletal muscles that result in energy expenditure. The energy expenditure can be measured in kilocalories. Physical activity in daily life can be categorized into occupational, sports, Conditioning, household, or other activities. Exercise is a subset of physical activity that is planned, structured, and repetitive and has as a final or an intermediate objective the improvement or maintenance of physical fitness. Physical fitness is a set of attributes that are either health- or skill-related. The degree to which people have these attributes can be measured with specific tests. These definitions are offered as an interpretational framework for comparing studies that relate physical activity, exercise, and physical fitness to health. Physical activity is defined as any bodily movement produced by skeletal muscles that require energy expenditure. Physical inactivity has been identified as the fourth leading risk factor for global mortality causing an estimated 3.2 million deaths globally. Regular moderate intensity physical activity – such as walking, cycling, or participating in sports – has significant benefits for health. For instance, it can reduce the risk of cardiovascular diseases, diabetes, colon and breast cancer, and depression. Moreover, adequate levels of physical activity will decrease the risk of a hip or vertebral fracture and help control weight. Any bodily movement produced by the contraction of skeletal muscle that increases energy expenditure above a basal level. In these guidelines, physical activity generally refers to the subset of physical activity that enhances health. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=physical%20activity" title="physical activity">physical activity</a>, <a href="https://publications.waset.org/abstracts/search?q=exercise" title=" exercise"> exercise</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20fitness" title=" physical fitness"> physical fitness</a>, <a href="https://publications.waset.org/abstracts/search?q=sports" title=" sports"> sports</a> </p> <a href="https://publications.waset.org/abstracts/58966/physical-activity-exercise-and-physical-fitness-in-different-generation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58966.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">361</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6028</span> Physical Fitness Evaluation of Physical Education Teachers in Maktab Rendah Sains MARA (MRSM)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamad%20Nizam%20Asmuni">Mohamad Nizam Asmuni</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20Naszeri%20Salleh"> Ahmad Naszeri Salleh</a>, <a href="https://publications.waset.org/abstracts/search?q=Yunus%20Adam"> Yunus Adam</a>, <a href="https://publications.waset.org/abstracts/search?q=Azhar%20Yaacob"> Azhar Yaacob</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohd%20Hafiz%20Rosli"> Mohd Hafiz Rosli</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhamad%20Nazrul%20Hakim%20Abdullah"> Muhamad Nazrul Hakim Abdullah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Physical Education teacher at the school should have good physical fitness to educate and guide students in the school. Currently, there are no standards for the level of physical fitness for teachers who teaches physical education at the school. Therefore, this research is to determine the level of physical fitness of teacher of Physical Education at Maktab Rendah Sains MARA (MRSM). A total of 28 samples (18 men and 10 women, age 33 ± 4.91), teachers of physical education at MRSM, were randomly selected to participate in this study. Height, weight, body fat percentage, body mass index (BMI) and other physical testing are measured and recorded. The results showed that the average of body mass index (BMI) for teachers of Physical Education is 25.9 ± 4:57. Body mass index (BMI) of teachers can be categorized as pre-obese based on World Health Organization (WHO) guidelines. Body fat percentage for male (age; 34.3 ± 5.13) and female (age; 30.9 ± 3.81) teachers is 24.7% ± 6.54 and 30.6% ± 6.28, respectively. Male teachers were categorized as overfat, however, female teachers were categorized as healthy based on body fat ranges for standard adults at NY Obesity Research Center. Bleep test results show that the average Bleep test is level 4 and shuttle 2; average VO2max was 27.5 ± 5.94 L/min. Physical fitness and performance of physical education teachers at MRSM is much lower compared to the rugby junior athlete in University Putra Malaysia (UPM). Therefore, physical fitness of teachers must be improved to ensure the physical education classes at MRSM could be done better. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=physical%20fitness" title="physical fitness">physical fitness</a>, <a href="https://publications.waset.org/abstracts/search?q=BMI" title=" BMI"> BMI</a>, <a href="https://publications.waset.org/abstracts/search?q=bleep%20test" title=" bleep test"> bleep test</a>, <a href="https://publications.waset.org/abstracts/search?q=obesity" title=" obesity"> obesity</a> </p> <a href="https://publications.waset.org/abstracts/2059/physical-fitness-evaluation-of-physical-education-teachers-in-maktab-rendah-sains-mara-mrsm" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2059.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">371</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6027</span> Competition as an Appropriate Instructional Practice in the Physical Education Environment: Reflective Experiences</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=David%20Barney">David Barney</a>, <a href="https://publications.waset.org/abstracts/search?q=Francis%20Pleban"> Francis Pleban</a>, <a href="https://publications.waset.org/abstracts/search?q=Muna%20Muday"> Muna Muday</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of this study was to explore gender differences of former physical education students related to reflective experiences of competition in physical education learning environment. In the school environment, students are positioned in competitive situations, including in the physical education context. Therefore it is important to prepare future physical educators to address the role of competition in physical education. Participants for this study were 304 college-aged students and young adults (M = 1.53, SD = .500), from a private university and local community located in the western United States. When comparing gender, significant differences (p < .05) were reported for four (questions 5, 7, 12, and 14) of the nine scaling questions. Follow-up quantitative findings reported that males (41%) more than females (27%) witnessed fights in physical education environment during competitive games. Qualitative findings reported fighting were along the lines of verbal confrontation. Female participants tended to experience being excluded from games, when compared to male participants. Both male and female participants (total population; 95%, males; 98%; and females 92%) were in favor of including competition in physical education for students. Findings suggest that physical education teachers and physical education teacher education programs have a responsibility to develop gender neutral learning experiences that help students better appreciate the role competition plays, both in and out of the physical education classroom. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=competition" title="competition">competition</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20education" title=" physical education"> physical education</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20education%20teacher%20education" title=" physical education teacher education"> physical education teacher education</a>, <a href="https://publications.waset.org/abstracts/search?q=gender" title=" gender"> gender</a> </p> <a href="https://publications.waset.org/abstracts/67404/competition-as-an-appropriate-instructional-practice-in-the-physical-education-environment-reflective-experiences" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67404.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">497</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">6026</span> A Lexicographic Approach to Obstacles Identified in the Ontological Representation of the Tree of Life</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sandra%20Young">Sandra Young</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The biodiversity literature is vast and heterogeneous. In today’s data age, numbers of data integration and standardisation initiatives aim to facilitate simultaneous access to all the literature across biodiversity domains for research and forecasting purposes. Ontologies are being used increasingly to organise this information, but the rationalisation intrinsic to ontologies can hit obstacles when faced with the intrinsic fluidity and inconsistency found in the domains comprising biodiversity. Essentially the problem is a conceptual one: biological taxonomies are formed on the basis of specific, physical specimens yet nomenclatural rules are used to provide labels to describe these physical objects. These labels are ambiguous representations of the physical specimen. An example of this is with the genus Melpomene, the scientific nomenclatural representation of a genus of ferns, but also for a genus of spiders. The physical specimens for each of these are vastly different, but they have been assigned the same nomenclatural reference. While there is much research into the conceptual stability of the taxonomic concept versus the nomenclature used, to the best of our knowledge as yet no research has looked empirically at the literature to see the conceptual plurality or singularity of the use of these species’ names, the linguistic representation of a physical entity. Language itself uses words as symbols to represent real world concepts, whether physical entities or otherwise, and as such lexicography has a well-founded history in the conceptual mapping of words in context for dictionary making. This makes it an ideal candidate to explore this problem. The lexicographic approach uses corpus-based analysis to look at word use in context, with a specific focus on collocated word frequencies (the frequencies of words used in specific grammatical and collocational contexts). It allows for inconsistencies and contradictions in the source data and in fact includes these in the word characterisation so that 100% of the available evidence is counted. Corpus analysis is indeed suggested as one of the ways to identify concepts for ontology building, because of its ability to look empirically at data and show patterns in language usage, which can indicate conceptual ideas which go beyond words themselves. In this sense it could potentially be used to identify if the hierarchical structures present within the empirical body of literature match those which have been identified in ontologies created to represent them. The first stages of this research have revealed a hierarchical structure that becomes apparent in the biodiversity literature when annotating scientific species’ names, common names and more general names as classes, which will be the focus of this paper. The next step in the research is focusing on a larger corpus in which specific words can be analysed and then compared with existing ontological structures looking at the same material, to evaluate the methods by means of an alternative perspective. This research aims to provide evidence as to the validity of the current methods in knowledge representation for biological entities, and also shed light on the way that scientific nomenclature is used within the literature. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ontology" title="ontology">ontology</a>, <a href="https://publications.waset.org/abstracts/search?q=biodiversity" title=" biodiversity"> biodiversity</a>, <a href="https://publications.waset.org/abstracts/search?q=lexicography" title=" lexicography"> lexicography</a>, <a href="https://publications.waset.org/abstracts/search?q=knowledge%20representation" title=" knowledge representation"> knowledge representation</a>, <a href="https://publications.waset.org/abstracts/search?q=corpus%20linguistics" title=" corpus linguistics"> corpus linguistics</a> </p> <a href="https://publications.waset.org/abstracts/102884/a-lexicographic-approach-to-obstacles-identified-in-the-ontological-representation-of-the-tree-of-life" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102884.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">137</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6025</span> Current Global Education Trends: Issues and Challenges of Physical and Health Education Teaching and Learning in Nigerian Schools</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bichi%20Muktar%20Sani">Bichi Muktar Sani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The philosophy of Physical and Health Education is to develop academic and professional competency which will enable individuals earn a living and render unique services to the society and also provide good basis of knowledge and experience that characterize an educated and fully developed person through physical activities. With the increase of sedentary activities such as watching television, playing videogames, increased computer technology, automation and reduction of high school Physical and Health Education schedules, young people are most likely to become overweight, and less fit. Physical Education is a systematic instruction in sports, training, practice, gymnastics, exercises, and hygiene given as part of a school or college program. Physical and Health Education is the study, practice, and appreciation of the art and science of human movement. Physical and Health Education is course in the curricula that utilizes the learning in the cognitive, affective, and psychomotor domains in a lay or movement exploration setting. The paper made some recommendations on the way forward. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=issues" title="issues">issues</a>, <a href="https://publications.waset.org/abstracts/search?q=challenges" title=" challenges"> challenges</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20education" title=" physical education"> physical education</a>, <a href="https://publications.waset.org/abstracts/search?q=school" title=" school"> school</a> </p> <a href="https://publications.waset.org/abstracts/187567/current-global-education-trends-issues-and-challenges-of-physical-and-health-education-teaching-and-learning-in-nigerian-schools" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/187567.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">38</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=physical%20characterisation&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=physical%20characterisation&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=physical%20characterisation&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=physical%20characterisation&page=5">5</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=physical%20characterisation&page=6">6</a></li> <li class="page-item"><a class="page-link" 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