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Auger</title> <meta name="description" content="Search results for: Claudine Auger"> <meta name="keywords" content="Claudine Auger"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Claudine Auger"> <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> 29</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Claudine Auger</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">29</span> To Be Freed from Conformists for Better Shared Leadership</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lyne%20Chantal%20Boudreau">Lyne Chantal Boudreau</a>, <a href="https://publications.waset.org/abstracts/search?q=Claudine%20Auger"> Claudine Auger</a>, <a href="https://publications.waset.org/abstracts/search?q=Arline%20Laforest"> Arline Laforest</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to meet the challenges of learning in a minority Francophone environment, three organizers created a space where a group of stakeholders from the school system and from the post-secondary and community sectors could contribute to reflections on specific educational topics by sharing winning practices. The success of this provincial congress rest on shared leadership which was intuitively used by the organizers who planned and conducted both editions. This leadership style requires leaders to transition from a hierarchical to a horizontal approach, that is, to an approach where each individual is at the same level. In this exploratory research, it has been demonstrated that this shared leadership’s success depends on the capacity of the leaders to free themselves from conformists who are found at all levels of the education system. This ability best fosters the mobilization of all education stakeholders in advancing in-depth knowledge in a particular field while simultaneously creating a sense of collective efficacy among these partners and developing the learners’ full potential. This session will present ways in which it is possible to be freed from conformists through knowing how to recognize conformism, through taking risks and through opening genuine discussions. Shared leadership revolves around a collective power derived from the leadership of each and everyone in a space where all are rallied to promote the ultimate advancement of society. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=conformists" title="conformists">conformists</a>, <a href="https://publications.waset.org/abstracts/search?q=education" title=" education"> education</a>, <a href="https://publications.waset.org/abstracts/search?q=minority%20context" title=" minority context"> minority context</a>, <a href="https://publications.waset.org/abstracts/search?q=shared%20leadership" title=" shared leadership"> shared leadership</a> </p> <a href="https://publications.waset.org/abstracts/85296/to-be-freed-from-conformists-for-better-shared-leadership" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85296.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">310</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">28</span> The Galactic Magnetic Field in the Light of Starburst-Generated Ultrahigh-Energy Cosmic Rays</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Luis%20A.%20Anchordoqui">Luis A. Anchordoqui</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorge%20F.%20Soriano"> Jorge F. Soriano</a>, <a href="https://publications.waset.org/abstracts/search?q=Diego%20F.%20Torres"> Diego F. Torres</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Auger data show evidence for a correlation between ultrahigh-energy cosmic rays (UHECRs) and nearby starburst galaxies. This intriguing correlation is consistent with data collected by the Telescope Array, which have revealed a much more pronounced directional 'hot spot' in arrival directions not far from the starburst galaxy M82. In this work, we assume starbursts are sources of UHECRs, and we investigate the prospects to use the observed distribution of UHECR arrival directions to constrain galactic magnetic field models. We show that if the Telescope Array hot spot indeed originates on M82, UHECR data would place a strong constraint on the turbulent component of the galactic magnetic field. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=galactic%20magnetic%20field" title="galactic magnetic field">galactic magnetic field</a>, <a href="https://publications.waset.org/abstracts/search?q=Pierre%20Auger%20observatory" title=" Pierre Auger observatory"> Pierre Auger observatory</a>, <a href="https://publications.waset.org/abstracts/search?q=telescope%20array" title=" telescope array"> telescope array</a>, <a href="https://publications.waset.org/abstracts/search?q=ultra-high%20energy%20cosmic%20rays" title=" ultra-high energy cosmic rays"> ultra-high energy cosmic rays</a> </p> <a href="https://publications.waset.org/abstracts/102702/the-galactic-magnetic-field-in-the-light-of-starburst-generated-ultrahigh-energy-cosmic-rays" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102702.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">151</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">27</span> Design and Construction Validation of Pile Performance through High Strain Pile Dynamic Tests for both Contiguous Flight Auger and Drilled Displacement Piles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Pirrello">S. Pirrello</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sydney’s booming real estate market has pushed property developers to invest in historically “no-go” areas, which were previously too expensive to develop. These areas are usually near rivers where the sites are underlain by deep alluvial and estuarine sediments. In these ground conditions, conventional bored pile techniques are often not competitive. Contiguous Flight Auger (CFA) and Drilled Displacement (DD) Piles techniques are on the other hand suitable for these ground conditions. This paper deals with the design and construction challenges encountered with these piling techniques for a series of high-rise towers in Sydney’s West. The advantages of DD over CFA piles such as reduced overall spoil with substantial cost savings and achievable rock sockets in medium strength bedrock are discussed. Design performances were assessed with PIGLET. Pile performances are validated in two stages, during constructions with the interpretation of real-time data from the piling rigs’ on-board computer data, and after construction with analyses of results from high strain pile dynamic testing (PDA). Results are then presented and discussed. High Strain testing data are presented as Case Pile Wave Analysis Program (CAPWAP) analyses. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=contiguous%20flight%20auger%20%28CFA%29" title="contiguous flight auger (CFA) ">contiguous flight auger (CFA) </a>, <a href="https://publications.waset.org/abstracts/search?q=DEFPIG" title=" DEFPIG"> DEFPIG</a>, <a href="https://publications.waset.org/abstracts/search?q=case%20pile%20wave%20analysis%20program%20%28CAPWAP%29" title=" case pile wave analysis program (CAPWAP)"> case pile wave analysis program (CAPWAP)</a>, <a href="https://publications.waset.org/abstracts/search?q=drilled%20displacement%20piles%20%28DD%29" title=" drilled displacement piles (DD)"> drilled displacement piles (DD)</a>, <a href="https://publications.waset.org/abstracts/search?q=pile%20dynamic%20testing%20%28PDA%29" title=" pile dynamic testing (PDA)"> pile dynamic testing (PDA)</a>, <a href="https://publications.waset.org/abstracts/search?q=PIGLET" title=" PIGLET"> PIGLET</a>, <a href="https://publications.waset.org/abstracts/search?q=PLAXIS" title=" PLAXIS"> PLAXIS</a>, <a href="https://publications.waset.org/abstracts/search?q=repute" title=" repute"> repute</a>, <a href="https://publications.waset.org/abstracts/search?q=pile%20performance" title=" pile performance"> pile performance</a> </p> <a href="https://publications.waset.org/abstracts/62850/design-and-construction-validation-of-pile-performance-through-high-strain-pile-dynamic-tests-for-both-contiguous-flight-auger-and-drilled-displacement-piles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62850.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">282</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">26</span> The Relevance of Shared Cultural Leadership in the Survival of the Language and of the Francophone Culture in a Minority Language Environment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lyne%20Chantal%20Boudreau">Lyne Chantal Boudreau</a>, <a href="https://publications.waset.org/abstracts/search?q=Claudine%20Auger"> Claudine Auger</a>, <a href="https://publications.waset.org/abstracts/search?q=Arline%20Laforest"> Arline Laforest</a> </p> <p class="card-text"><strong>Abstract:</strong></p> As an English-speaking country, Canada faces challenges in French-language education. During both editions of a provincial congress on education planned and conducted under shared cultural leadership, three organizers created a Francophone space where, for the first time in the province of New Brunswick (the only officially bilingual province in Canada), a group of stakeholders from the school, post-secondary and community sectors have succeeded in contributing to reflections on specific topics by sharing winning practices to meet the challenges of learning in a minority Francophone environment. Shared cultural leadership is a hybrid between theories of leadership styles in minority communities and theories of shared leadership. Through shared cultural leadership, the goal is simply to guide leadership and to set up all minority leaderships in minority context through shared leadership. This leadership style requires leaders to transition from a hierarchical to a horizontal approach, that is, to an approach where each individual is at the same level. In this exploratory research, it has been demonstrated that shared leadership exercised under the T-learning model best fosters the mobilization of all partners in advancing in-depth knowledge in a particular field while simultaneously allowing learning of the elements related to the domain in question. This session will present how it is possible to mobilize the whole community through leaders who continually develop their knowledge and skills in their specific field but also in related fields. Leaders in this style of management associated to shared cultural leadership acquire the ability to consider solutions to problems from a holistic perspective and to develop a collective power derived from the leadership of each and everyone in a space where all are rallied to promote the ultimate advancement of society. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=education" title="education">education</a>, <a href="https://publications.waset.org/abstracts/search?q=minority%20context" title=" minority context"> minority context</a>, <a href="https://publications.waset.org/abstracts/search?q=shared%20leadership" title=" shared leadership"> shared leadership</a>, <a href="https://publications.waset.org/abstracts/search?q=t-leaning" title=" t-leaning"> t-leaning</a> </p> <a href="https://publications.waset.org/abstracts/85301/the-relevance-of-shared-cultural-leadership-in-the-survival-of-the-language-and-of-the-francophone-culture-in-a-minority-language-environment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85301.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">247</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">25</span> Investigation of Efficient Production of ¹³⁵La for the Auger Therapy Using Medical Cyclotron in Poland</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=N.%20Zandi">N. Zandi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Sitarz"> M. Sitarz</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Jastrzebski"> J. Jastrzebski</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Vagheian"> M. Vagheian</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Choinski"> J. Choinski</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Stolarz"> A. Stolarz</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Trzcinska"> A. Trzcinska</a> </p> <p class="card-text"><strong>Abstract:</strong></p> ¹³⁵La with the half-life of 19.5 h can be considered as a good candidate for Auger therapy. ¹³⁵La decays almost 100% by electron capture to the stable ¹³⁵Ba. In this study, all important possible reactions leading to ¹³⁵La production are investigated in details, and the corresponding theoretical yield for each reaction using the Monte-Carlo method (MCNPX code) are presented. Among them, the best reaction based on the cost-effectiveness and production yield regarding Poland facilities equipped with medical cyclotron has been selected. ¹³⁵La is produced using 16.5 MeV proton beam of general electric PET trace cyclotron through the ¹³⁵Ba(p,n)¹³⁵La reaction. Moreover, for a consistent facilitating comparison between the theoretical calculations and the experimental measurements, the beam current and also the proton beam energy is measured experimentally. Then, the obtained proton energy is considered as the entrance energy for the theoretical calculations. The production yield finally is measured and compared with the results obtained using the MCNPX code. The results show the experimental measurement and the theoretical calculations are in good agreement. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=efficient%20%C2%B9%C2%B3%E2%81%B5La%20production" title="efficient ¹³⁵La production">efficient ¹³⁵La production</a>, <a href="https://publications.waset.org/abstracts/search?q=proton%20cyclotron%20energy%20measurement" title=" proton cyclotron energy measurement"> proton cyclotron energy measurement</a>, <a href="https://publications.waset.org/abstracts/search?q=MCNPX%20code" title=" MCNPX code"> MCNPX code</a>, <a href="https://publications.waset.org/abstracts/search?q=theoretical%20and%20experimental%20production%20yield" title=" theoretical and experimental production yield"> theoretical and experimental production yield</a> </p> <a href="https://publications.waset.org/abstracts/106244/investigation-of-efficient-production-of-135la-for-the-auger-therapy-using-medical-cyclotron-in-poland" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/106244.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">141</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">24</span> Four-Electron Auger Process for Hollow Ions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shahin%20A.%20Abdel-Naby">Shahin A. Abdel-Naby</a>, <a href="https://publications.waset.org/abstracts/search?q=James%20P.%20Colgan"> James P. Colgan</a>, <a href="https://publications.waset.org/abstracts/search?q=Michael%20S.%20Pindzola"> Michael S. Pindzola</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A time-dependent close-coupling method is developed to calculate a total, double and triple autoionization rates for hollow atomic ions of four-electron systems. This work was motivated by recent observations of the four-electron Auger process in near K-edge photoionization of C+ ions. The time-dependent close-coupled equations are solved using lattice techniques to obtain a discrete representation of radial wave functions and all operators on a four-dimensional grid with uniform spacing. Initial excited states are obtained by relaxation of the Schrodinger equation in imaginary time using a Schmidt orthogonalization method involving interior subshells. The radial wave function grids are partitioned over the cores on a massively parallel computer, which is essential due to the large memory requirements needed to store the coupled-wave functions and the long run times needed to reach the convergence of the ionization process. Total, double, and triple autoionization rates are obtained by the propagation of the time-dependent close-coupled equations in real-time using integration over bound and continuum single-particle states. These states are generated by matrix diagonalization of one-electron Hamiltonians. The total autoionization rates for each L excited state is found to be slightly above the single autoionization rate for the excited configuration using configuration-average distorted-wave theory. As expected, we find the double and triple autoionization rates to be much smaller than the total autoionization rates. Future work can be extended to study electron-impact triple ionization of atoms or ions. The work was supported in part by grants from the American University of Sharjah and the US Department of Energy. Computational work was carried out at the National Energy Research Scientific Computing Center (NERSC) in Berkeley, California, USA. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hollow%20atoms" title="hollow atoms">hollow atoms</a>, <a href="https://publications.waset.org/abstracts/search?q=autoionization" title=" autoionization"> autoionization</a>, <a href="https://publications.waset.org/abstracts/search?q=auger%20rates" title=" auger rates"> auger rates</a>, <a href="https://publications.waset.org/abstracts/search?q=time-dependent%20close-coupling%20method" title=" time-dependent close-coupling method"> time-dependent close-coupling method</a> </p> <a href="https://publications.waset.org/abstracts/123947/four-electron-auger-process-for-hollow-ions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/123947.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">23</span> Correlation of SPT N-Value and Equipment Drilling Parameters in Deep Soil Mixing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=John%20Eric%20C.%20Bargas">John Eric C. Bargas</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Cecilia%20M.%20Marcos"> Maria Cecilia M. Marcos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> One of the most common ground improvement techniques is Deep Soil Mixing (DSM). As the technique progresses, there is still lack in the development when it comes to depth control. This was the issue experienced during the installation of DSM in one of the National projects in the Philippines. This study assesses the feasibility of using equipment drilling parameters such as hydraulic pressure, drilling speed and rotational speed in determining the Standard Penetration Test N-value of a specific soil. Hydraulic pressure and drilling speed with a constant rotational speed of 30 rpm have a positive correlation with SPT N-value for cohesive soil and sand. A linear trend was observed for cohesive soil. The correlation of SPT N-value and hydraulic pressure yielded a R²=0.5377 while the correlation of SPT N-value and drilling speed has a R²=0.6355. While the best fitted model for sand is polynomial trend. The correlation of SPT N-value and hydraulic pressure yielded a R²=0.7088 while the correlation of SPT N-value and drilling speed has a R²=0.4354. The low correlation may be attributed to the behavior of sand when the auger penetrates. Sand tends to follow the rotation of the auger rather than resisting which was observed for very loose to medium dense sand. Specific Energy and the product of hydraulic pressure and drilling speed yielded same R² with a positive correlation. Linear trend was observed for cohesive soil while polynomial trend for sand. Cohesive soil yielded a R²=0.7320 which has a strong relationship. Sand also yielded a strong relationship having a coefficient of determination, R²=0.7203. It is feasible to use hydraulic pressure and drilling speed to estimate the SPT N-value of the soil. Also, the product of hydraulic pressure and drilling speed can be a substitute to specific energy when estimating the SPT N-value of a soil. However, additional considerations are necessary to account for other influencing factors like ground water and physical and mechanical properties of soil. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ground%20improvement" title="ground improvement">ground improvement</a>, <a href="https://publications.waset.org/abstracts/search?q=equipment%20drilling%20parameters" title=" equipment drilling parameters"> equipment drilling parameters</a>, <a href="https://publications.waset.org/abstracts/search?q=standard%20penetration%20test" title=" standard penetration test"> standard penetration test</a>, <a href="https://publications.waset.org/abstracts/search?q=deep%20soil%20mixing" title=" deep soil mixing"> deep soil mixing</a> </p> <a href="https://publications.waset.org/abstracts/186925/correlation-of-spt-n-value-and-equipment-drilling-parameters-in-deep-soil-mixing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186925.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">47</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">22</span> Temperature Dependence of the Optoelectronic Properties of InAs(Sb)-Based LED Heterostructures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Antonina%20Semakova">Antonina Semakova</a>, <a href="https://publications.waset.org/abstracts/search?q=Karim%20Mynbaev"> Karim Mynbaev</a>, <a href="https://publications.waset.org/abstracts/search?q=Nikolai%20Bazhenov"> Nikolai Bazhenov</a>, <a href="https://publications.waset.org/abstracts/search?q=Anton%20Chernyaev"> Anton Chernyaev</a>, <a href="https://publications.waset.org/abstracts/search?q=Sergei%20Kizhaev"> Sergei Kizhaev</a>, <a href="https://publications.waset.org/abstracts/search?q=Nikolai%20Stoyanov"> Nikolai Stoyanov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> At present, heterostructures are used for fabrication of almost all types of optoelectronic devices. Our research focuses on the optoelectronic properties of InAs(Sb) solid solutions that are widely used in fabrication of light emitting diodes (LEDs) operating in middle wavelength infrared range (MWIR). This spectral range (2-6 μm) is relevant for laser diode spectroscopy of gases and molecules, for systems for the detection of explosive substances, medical applications, and for environmental monitoring. The fabrication of MWIR LEDs that operate efficiently at room temperature is mainly hindered by the predominance of non-radiative Auger recombination of charge carriers over the process of radiative recombination, which makes practical application of LEDs difficult. However, non-radiative recombination can be partly suppressed in quantum-well structures. In this regard, studies of such structures are quite topical. In this work, electroluminescence (EL) of LED heterostructures based on InAs(Sb) epitaxial films with the molar fraction of InSb ranging from 0 to 0.09 and multi quantum-well (MQW) structures was studied in the temperature range 4.2-300 K. The growth of the heterostructures was performed by metal-organic chemical vapour deposition on InAs substrates. On top of the active layer, a wide-bandgap InAsSb(Ga,P) barrier was formed. At low temperatures (4.2-100 K) stimulated emission was observed. As the temperature increased, the emission became spontaneous. The transition from stimulated emission to spontaneous one occurred at different temperatures for structures with different InSb contents in the active region. The temperature-dependent carrier lifetime, limited by radiative recombination and the most probable Auger processes (for the materials under consideration, CHHS and CHCC), were calculated within the framework of the Kane model. The effect of various recombination processes on the carrier lifetime was studied, and the dominant role of Auger processes was established. For MQW structures quantization energies for electrons, light and heavy holes were calculated. A characteristic feature of the experimental EL spectra of these structures was the presence of peaks with energy different from that of calculated optical transitions between the first quantization levels for electrons and heavy holes. The obtained results showed strong effect of the specific electronic structure of InAsSb on the energy and intensity of optical transitions in nanostructures based on this material. For the structure with MQWs in the active layer, a very weak temperature dependence of EL peak was observed at high temperatures (>150 K), which makes it attractive for fabricating temperature-resistant gas sensors operating in the middle-infrared range. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Electroluminescence" title="Electroluminescence">Electroluminescence</a>, <a href="https://publications.waset.org/abstracts/search?q=InAsSb" title=" InAsSb"> InAsSb</a>, <a href="https://publications.waset.org/abstracts/search?q=light%20emitting%20diode" title=" light emitting diode"> light emitting diode</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20wells" title=" quantum wells"> quantum wells</a> </p> <a href="https://publications.waset.org/abstracts/122314/temperature-dependence-of-the-optoelectronic-properties-of-inassb-based-led-heterostructures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/122314.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">212</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">21</span> A Culturally Responsive Based Framework for French Immersion Public Schools in Ontario</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kimberly%20Auger">Kimberly Auger</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper offers a rudimentary vision of a French Immersion Framework based on inclusion and equity in an Ontario school system. It examines the role that culture plays in responsive and equitable French Immersion education firstly by contextualizing French Immersion Education and Equity and Inclusive Education in the historical and political situation of Ontario, Canada. By laying a foundational understanding of the role culture plays in education, it then argues the importance of acknowledging and including teacher culture, student culture, and school culture into a French Immersion Framework to create a space that is more equitable, inclusive, and responsive to all. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=French%20immersion%20education" title="French immersion education">French immersion education</a>, <a href="https://publications.waset.org/abstracts/search?q=Ontario%20education" title=" Ontario education"> Ontario education</a>, <a href="https://publications.waset.org/abstracts/search?q=equity%20and%20inclusive%20education" title=" equity and inclusive education"> equity and inclusive education</a>, <a href="https://publications.waset.org/abstracts/search?q=bilingual%20education" title=" bilingual education"> bilingual education</a> </p> <a href="https://publications.waset.org/abstracts/192092/a-culturally-responsive-based-framework-for-french-immersion-public-schools-in-ontario" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/192092.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">18</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">20</span> The Transport of Radical Species to Single and Double Strand Breaks in the Liver’s DNA Molecule by a Hybrid Method of Type Monte Carlo - Diffusion Equation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=H.%20Oudira">H. Oudira</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Saifi"> A. Saifi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The therapeutic utility of certain Auger emitters such as iodine-125 depends on their position within the cell nucleus . Or diagnostically, and to maintain as low as possible cell damage, it is preferable to have radionuclide localized outside the cell or at least the core. One solution to this problem is to consider markers capable of conveying anticancer drugs to the tumor site regardless of their location within the human body. The objective of this study is to simulate the impact of a complex such as bleomycin on single and double strand breaks in the DNA molecule. Indeed, this simulation consists of the following transactions: - Construction of BLM -Fe- DNA complex. - Simulation of the electron’s transport from the metastable state excitation of Fe 57 by the Monte Carlo method. - Treatment of chemical reactions in the considered environment by the diffusion equation. For physical, physico-chemical and finally chemical steps, the geometry of the complex is considered as a sphere of 50 nm centered on the binding site , and the mathematical method used is called step by step based on Monte Carlo codes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=concentration" title="concentration">concentration</a>, <a href="https://publications.waset.org/abstracts/search?q=yield" title=" yield"> yield</a>, <a href="https://publications.waset.org/abstracts/search?q=radical%20species" title=" radical species"> radical species</a>, <a href="https://publications.waset.org/abstracts/search?q=bleomycin" title=" bleomycin"> bleomycin</a>, <a href="https://publications.waset.org/abstracts/search?q=excitation" title=" excitation"> excitation</a>, <a href="https://publications.waset.org/abstracts/search?q=DNA" title=" DNA"> DNA</a> </p> <a href="https://publications.waset.org/abstracts/16884/the-transport-of-radical-species-to-single-and-double-strand-breaks-in-the-livers-dna-molecule-by-a-hybrid-method-of-type-monte-carlo-diffusion-equation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/16884.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">457</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">19</span> Preliminary Assessment of Arsenic Levels in Farmland Soils of Bokkos Local Government Area, Plateau State Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=W.%20M.%20Buba">W. M. Buba</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20G.%20Nangbes"> J. G. Nangbes</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20P.%20Butven"> J. P. Butven</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This research was undertaken to evolve community based awareness on the arsenic contamination from agricultural practices in Communities of Bokkos local government area. Contaminated farmland soil samples were collected from the surface for tailings and at various depths (50, 100, 150 cm intervals) in eight holes drilled in each farm at different locations using hand auger. A total of sixty- four (64) soil samples were collected from eight (8) different communities. A standard titrimetric method was applied for the determination of arsenic. It was found that the average concentration of arsenic in the surface soil (0-150cm) for the entire study areas was 0.0525mg/kg with range 0.0425 -0.0601mg/kg which is well above the recommended the soil to plant concentration guideline range of 2.3 – 4.3 x10-4 mg/kg value. This indicates that the arsenic concentration in the study areas does pose health risk for agricultural practices via potential bioaccumulation in plant food crops. However, some risks measures could follow the arsenic occurrence through direct exposure such as those resulting from the inhalation, oral or dermal intake of arsenic during agricultural practices and in the course of stay on the contaminated soil. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=agrochemicals" title="agrochemicals">agrochemicals</a>, <a href="https://publications.waset.org/abstracts/search?q=arsenic" title=" arsenic"> arsenic</a>, <a href="https://publications.waset.org/abstracts/search?q=bokkos" title=" bokkos"> bokkos</a>, <a href="https://publications.waset.org/abstracts/search?q=contamination" title=" contamination"> contamination</a>, <a href="https://publications.waset.org/abstracts/search?q=soil" title=" soil"> soil</a> </p> <a href="https://publications.waset.org/abstracts/36910/preliminary-assessment-of-arsenic-levels-in-farmland-soils-of-bokkos-local-government-area-plateau-state-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36910.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">347</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">18</span> Does Women Involvement in Politics Decrease Corruption? A Context Based Approach to the Corruption Rate Index of ASEAN Countries</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lu%20Anne%20A.%20Godinez">Lu Anne A. Godinez</a>, <a href="https://publications.waset.org/abstracts/search?q=May%20Claudine%20I.%20Gador"> May Claudine I. Gador</a>, <a href="https://publications.waset.org/abstracts/search?q=Preacious%20G.%20Gumolon"> Preacious G. Gumolon</a>, <a href="https://publications.waset.org/abstracts/search?q=Louiechi%20Von%20R.%20Mendoza"> Louiechi Von R. Mendoza</a>, <a href="https://publications.waset.org/abstracts/search?q=Neil%20Bryan%20N.%20Moninio"> Neil Bryan N. Moninio </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Gender equality and women empowerment is the third of eight Millennium Development Goals. Understanding corruption’s linkages to gender equality issues and how it impacts women’s empowerment is part of the broader process of advancing women’s rights and understanding the gender dimensions of democratic governance. Taking a long view of political (corruption index) and the social (women empowerment) dimension — a view from 2015 to 2030, a context based forecast was conducted to forecast the ASEAN corruption index in the next 15 years, answering the question: “Does women political involvement decrease corruption rate index of ASEAN countries in the next 15 years?” The study have established that there will be an increase women political involvement in the ASEAN countries in the next 15 years that will cause a drop on corruption rate index. There will be a significant decline on corruption rate index in 2030. This change entails reform not only in the political aspect of progress, but to the social aspect as well. Finally, the political aspect is increasing at a constant rate however a double or triple increase of the social aspect is seen to be the key solution for corruption. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=women" title="women">women</a>, <a href="https://publications.waset.org/abstracts/search?q=women%20political%20involvement" title=" women political involvement"> women political involvement</a>, <a href="https://publications.waset.org/abstracts/search?q=corruption" title=" corruption"> corruption</a>, <a href="https://publications.waset.org/abstracts/search?q=gender%20equity%20index" title=" gender equity index"> gender equity index</a>, <a href="https://publications.waset.org/abstracts/search?q=economic%20participation" title=" economic participation"> economic participation</a>, <a href="https://publications.waset.org/abstracts/search?q=educational%20attainment" title=" educational attainment"> educational attainment</a>, <a href="https://publications.waset.org/abstracts/search?q=political%20empowerment" title=" political empowerment"> political empowerment</a>, <a href="https://publications.waset.org/abstracts/search?q=control%20of%20corruption" title=" control of corruption"> control of corruption</a>, <a href="https://publications.waset.org/abstracts/search?q=regulatory%20quality" title=" regulatory quality"> regulatory quality</a>, <a href="https://publications.waset.org/abstracts/search?q=rule%20of%20law" title=" rule of law"> rule of law</a>, <a href="https://publications.waset.org/abstracts/search?q=voice%20and%20accountability%20government%20effectiveness" title=" voice and accountability government effectiveness"> voice and accountability government effectiveness</a>, <a href="https://publications.waset.org/abstracts/search?q=political%20stability%20and%20corruption%20perception%20index" title=" political stability and corruption perception index"> political stability and corruption perception index</a> </p> <a href="https://publications.waset.org/abstracts/29740/does-women-involvement-in-politics-decrease-corruption-a-context-based-approach-to-the-corruption-rate-index-of-asean-countries" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29740.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">17</span> Impact of Calcium Carbide Waste Dumpsites on Soil Chemical and Microbial Characteristics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=C.%20E.%20Ihejirika">C. E. Ihejirika</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20I.%20Nwachukwu"> M. I. Nwachukwu</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20F.%20Njoku-Tony"> R. F. Njoku-Tony</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20C.%20Ihejirika"> O. C. Ihejirika</a>, <a href="https://publications.waset.org/abstracts/search?q=U.%20O.%20Enwereuzoh"> U. O. Enwereuzoh</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20O.%20Imo"> E. O. Imo</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20C.%20Ashiegbu"> D. C. Ashiegbu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Disposal of industrial solid wastes in the environment is a major environmental challenge. This study investigated the effects of calcium carbide waste dumpsites on soil quality. Soil samples were collected with hand auger from three different dumpsites at varying depths and made into composite samples. Samples were subjected to standard analytical procedures. pH varied from 10.38 to 8.28, nitrate from 5.6mg/kg to 9.3mg/kg, phosphate from 8.8mg/kg to 12.3mg/kg, calcium carbide reduced from 10% to to 3%. Calcium carbide was absent in control soil samples. Bacterial counts from dumpsites ranged from 1.8 x 105cfu/g - 2.5 x 105cfu/g while fungal ranged from 0.8 x 103cfu/g - 1.4 x 103cfu/g. Bacterial isolates included Pseudomonas spp, Flavobacterium spp, and Achromobacter spp, while fungal isolates include Penicillium notatum, Aspergillus niger, and Rhizopus stolonifer. No organism was isolated from the dumpsites at soil depth of 0-15 cm, while there were isolates from other soil depths. Toxicity might be due to alkaline condition of the dumpsite. Calcium carbide might be bactericidal and fungicidal leading to cellular physiology, growth retardation, death, general loss of biodiversity and reduction of ecosystem processes. Detoxification of calcium carbide waste before disposal on soil might be the best option in management. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biodiversity" title="biodiversity">biodiversity</a>, <a href="https://publications.waset.org/abstracts/search?q=calcium-carbide" title=" calcium-carbide"> calcium-carbide</a>, <a href="https://publications.waset.org/abstracts/search?q=denitrification" title=" denitrification"> denitrification</a>, <a href="https://publications.waset.org/abstracts/search?q=toxicity" title=" toxicity "> toxicity </a> </p> <a href="https://publications.waset.org/abstracts/12369/impact-of-calcium-carbide-waste-dumpsites-on-soil-chemical-and-microbial-characteristics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/12369.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">546</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">16</span> The Effects of Pride Therapy on the Level of Self-Esteem among Physically Challenged Adolescents</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Canapi%20Patricia%20Joy">Canapi Patricia Joy</a>, <a href="https://publications.waset.org/abstracts/search?q=Canlas%20Tracy%20Gabriella"> Canlas Tracy Gabriella</a>, <a href="https://publications.waset.org/abstracts/search?q=Canseco%20Teresa"> Canseco Teresa</a>, <a href="https://publications.waset.org/abstracts/search?q=Capistrano%20Reena%20Marie"> Capistrano Reena Marie</a>, <a href="https://publications.waset.org/abstracts/search?q=Carandang%20Vernon"> Carandang Vernon</a>, <a href="https://publications.waset.org/abstracts/search?q=Carbonel%20Khiara%20Claudine"> Carbonel Khiara Claudine </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Research problem: The main problem of the study was to determine the effect of Projecting the Reflection of the Individual’s Self-esteem (PRIDE) therapy on the level of self-esteem of physically challenged adolescents. Objectives of the Study: The study determined the effect of PRIDE (Projecting the Reflection of the Individuals Self-esteem) therapy on the level of self-esteem among physically challenged adolescents. Methodology: A quasi-experimental study was used which involved 30 randomly-assigned subjects, 15 in the experimental group and 15 in the control group. The Projecting the reflection of the Individuals’ Self-Esteem (PRDIE) therapy was administered to the experimental group. The researchers utilized the Sorensen Self-Esteem test tool as a pretest and posttest questionnaire and yielded a Cronbach’s alpha of .912. Paired T-test was used to analyze the gathered data. Results: The results showed that after the administration of PRIDE therapy, there was an increase on the level of self-esteem. The experimental group had a value of 3.590, which was significant and meant that the level of self-esteem is significantly increased. On the other hand, the control group, had a value of -2.207 which was also significant, therefore, the level of self esteem significantly decreased. Conclusion: the PRIDE Therapy is effective in increasing the level of self-esteem among physically challenged adolescent. Recommendations: The researchers recommend the use of PRIDE Therapy as an intervention in handling physically challenged patients, especially adolescents, in order to enhance their self-esteem. Also, the researchers recommend that nursing students be informed on the efficacy of PRIDE Therapy in enhancing the self-esteem of physically challenged patients. Furthermore, the inclusion of a psychologist during the implementation of PRIDE Therapy, specifically art therapy, to be able to have a more focused interpretation of the drawings and really be able to see the projection of their self-esteem is also recommended. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adolescents" title="adolescents">adolescents</a>, <a href="https://publications.waset.org/abstracts/search?q=PRIDE%20therapy" title=" PRIDE therapy"> PRIDE therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=physically%20challenged" title=" physically challenged"> physically challenged</a>, <a href="https://publications.waset.org/abstracts/search?q=self-esteem" title=" self-esteem"> self-esteem</a> </p> <a href="https://publications.waset.org/abstracts/23232/the-effects-of-pride-therapy-on-the-level-of-self-esteem-among-physically-challenged-adolescents" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23232.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">310</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">15</span> Cold Tomato Paste as an Alternative Therapy for Elderly Clients with Exacerbation of Arthritis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mary%20Therese%20G.%20Caluna">Mary Therese G. Caluna</a>, <a href="https://publications.waset.org/abstracts/search?q=Mark%20Justin%20B.%20Campanero"> Mark Justin B. Campanero</a>, <a href="https://publications.waset.org/abstracts/search?q=Erlin%20Maris%20T.%20Cantiller"> Erlin Maris T. Cantiller</a>, <a href="https://publications.waset.org/abstracts/search?q=Claudine%20Mae%20A.%20Cantillo"> Claudine Mae A. Cantillo</a>, <a href="https://publications.waset.org/abstracts/search?q=Nerissa%20L.%20Ca%C3%B1o"> Nerissa L. Caño</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objective: The study determined the effectiveness of cold tomato paste in relieving pain caused by exacerbation of arthritis in the elderly, specifically on clients 60 years old and above. The study focused on alternative, cost-effective and non-pharmacological techniques in relieving pain experienced by the older people with osteoarthritis and rheumatoid arthritis. Methods: Using purposive non-probability sampling, the researchers gathered a total number of 40 subjects that passed the inclusion criteria provided by the researchers. The subjects were divided into two groups, experimental group (20 subjects) and control groups (20 subjects). The Numeric Rating 11-point Scale (NRS-11) was utilized to assess the pain level of the subject prior the application of the treatment and after the application of the treatment. Key findings: There is a significant difference in the pain levels of the experimental group before and after the application of cold tomato paste. This indicates that that the application of cold tomato paste alleviates the pain experienced by elderly clients with exacerbation of arthritis. Conclusion: The effectiveness of cold tomato paste in relieving pain experienced by elderly clients who are in exacerbation of arthritis was proven to be evidence-based. The cold tomato paste application has significant impact in the field of nursing and therefore, can be used in both clinical trials and practices. The effectiveness of cold tomato application promotes innovation in the field of nursing, thus encouraging further researches regarding other uses of tomato and other herbal interventions to relieve the pain caused by osteoarthritis and rheumatoid arthritis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=alternative%20therapy" title="alternative therapy">alternative therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=arthritis" title=" arthritis"> arthritis</a>, <a href="https://publications.waset.org/abstracts/search?q=cold%20tomato%20paste" title=" cold tomato paste"> cold tomato paste</a>, <a href="https://publications.waset.org/abstracts/search?q=elderly%20clients" title=" elderly clients"> elderly clients</a>, <a href="https://publications.waset.org/abstracts/search?q=exacerbation" title=" exacerbation "> exacerbation </a> </p> <a href="https://publications.waset.org/abstracts/23838/cold-tomato-paste-as-an-alternative-therapy-for-elderly-clients-with-exacerbation-of-arthritis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23838.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">423</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">14</span> The Effect of Projecting the Reflection of the Individual's Self-Esteem (PRIDE) Therapy on the Level of Self-Esteem of Physically Challenged Adolescents </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khiara%20Claudine%20C.%20Carbonel">Khiara Claudine C. Carbonel</a>, <a href="https://publications.waset.org/abstracts/search?q=Patricia%20Joy%20A.%20Canapi"> Patricia Joy A. Canapi</a>, <a href="https://publications.waset.org/abstracts/search?q=Tracy%20Gabriella%20M.%20Canlas"> Tracy Gabriella M. Canlas</a>, <a href="https://publications.waset.org/abstracts/search?q=Teresa%20Zaine%20C.%20Canseco"> Teresa Zaine C. Canseco</a>, <a href="https://publications.waset.org/abstracts/search?q=Reena%20Marie%20A.%20Capistrano"> Reena Marie A. Capistrano</a>, <a href="https://publications.waset.org/abstracts/search?q=Vernon%20A.%20Carandang"> Vernon A. Carandang</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlo%20G.%20Ranoco"> Carlo G. Ranoco</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Research problem: The main problem of the study was to determine the effect of Projecting the Reflection of the Individual’s Self-esteem (PRIDE) therapy on the level of self-esteem of physically challenged adolescents. Objectives of the Study: The study determined the effect of PRIDE (Projecting the Reflection of the Individuals Self-esteem) therapy on the level of self-esteem among physically challenged adolescents. Methodology: A quasi-experimental study was used which involved 30 randomly-assigned subjects, 15 in the experimental group and 15 in the control group. The Projecting the reflection of the Individuals’ Self-Esteem (PRDIE) therapy was administered to the experimental group. The researchers utilized the Sorensen Self-Esteem test tool as a pretest and posttest questionnaire and yielded a Cronbach’s alpha of .912. Paired T-test was used to analyze the gathered data. Results: The results showed that after the administration of PRIDE therapy, there was an increase on the level of self-esteem. The experimental group had a value of 3.590, which was significant and meant that the level of self-esteem is significantly increased. On the other hand, the control group, had a value of -2.207 which was also significant, therefore, the level of self esteem significantly decreased. Conclusion: the PRIDE Therapy is effective in increasing the level of self-esteem among physically challenged adolescent. Recommendations: The researchers recommend the use of PRIDE Therapy as an intervention in handling physically challenged patients, especially adolescents, in order to enhance their self-esteem. Also, the researchers recommend that nursing students be informed on the efficacy of PRIDE Therapy in enhancing the self-esteem of physically challenged patients. Furthermore, the inclusion of a psychologist during the implementation of PRIDE Therapy, specifically art therapy, to be able to have a more focused interpretation of the drawings and really be able to see the projection of their self-esteem is also recommended. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=PRIDE%20therapy" title="PRIDE therapy">PRIDE therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=physically%20challenged%20adolescents" title=" physically challenged adolescents"> physically challenged adolescents</a>, <a href="https://publications.waset.org/abstracts/search?q=self-esteem" title=" self-esteem"> self-esteem</a>, <a href="https://publications.waset.org/abstracts/search?q=art%20therapy" title=" art therapy"> art therapy</a> </p> <a href="https://publications.waset.org/abstracts/23231/the-effect-of-projecting-the-reflection-of-the-individuals-self-esteem-pride-therapy-on-the-level-of-self-esteem-of-physically-challenged-adolescents" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23231.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">424</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">13</span> Performance Evaluation and Kinetics of Artocarpus heterophyllus Seed for the Purification of Paint Industrial Wastewater by Coagulation-Flocculation Process</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ifeoma%20Maryjane%20Iloamaeke">Ifeoma Maryjane Iloamaeke</a>, <a href="https://publications.waset.org/abstracts/search?q=Kelvin%20Obazie"> Kelvin Obazie</a>, <a href="https://publications.waset.org/abstracts/search?q=Mmesoma%20Offornze"> Mmesoma Offornze</a>, <a href="https://publications.waset.org/abstracts/search?q=Chiamaka%20Marysilvia%20Ifeaghalu"> Chiamaka Marysilvia Ifeaghalu</a>, <a href="https://publications.waset.org/abstracts/search?q=Cecilia%20Aduaka"> Cecilia Aduaka</a>, <a href="https://publications.waset.org/abstracts/search?q=Ugomma%20Chibuzo%20Onyeije"> Ugomma Chibuzo Onyeije</a>, <a href="https://publications.waset.org/abstracts/search?q=Claudine%20Ifunanaya%20Ogu"> Claudine Ifunanaya Ogu</a>, <a href="https://publications.waset.org/abstracts/search?q=Ngozi%20Anastesia%20Okonkwo"> Ngozi Anastesia Okonkwo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work investigated the effects of pH, settling time, and coagulant dosages on the removal of color, turbidity, and heavy metals from paint industrial wastewater using the seed of Artocarpus heterophyllus (AH) by the coagulation-flocculation process. The paint effluent was physicochemically characterized, while AH coagulant was instrumentally characterized by Scanning Electron Microscope (SEM), Fourier Transform Infrared (FTIR), and X-ray diffraction (XRD). A Jar test experiment was used for the coagulation-flocculation process. The result showed that paint effluent was polluted with color, turbidity (36000 NTU), mercury (1.392 mg/L), lead (0.252 mg/L), arsenic (1.236 mg/L), TSS (63.40mg/L), and COD (121.70 mg/L). The maximum color removal efficiency was 94.33% at the dosage of 0.2 g/L, pH 2 at a constant time of 50 mins, and 74.67% at constant pH 2, coagulant dosage of 0.2 g/L and 50 mins. The highest turbidity removal efficiency was 99.94% at 0.2 g/L and 50 mins at constant pH 2 and 96.66% at pH 2 and 0.2 g/L at constant time of 50 mins. The mercury removal efficiency of 99.29% was achieved at the optimal condition of 0.8 g/L coagulant dosage, pH 8, and constant time of 50 mins and 99.57% at coagulant dosage of 0.8 g/L, time of 50 mins constant pH 8. The highest lead removal efficiency was 99.76% at a coagulant dosage of 10 g/L, time of 40 mins at constant pH 10, and 96.53% at pH 10, coagulant dosage of 10 g/L and constant time of 40 mins. For arsenic, the removal efficiency is 75.24 % at 0.8 g/L coagulant dosage, time of 40 mins, and constant pH of 8. XRD imaging before treatment showed that Artocarpus heterophyllus coagulant was crystalline and changed to amorphous after treatment. The SEM and FTIR results of the AH coagulant and sludge suggested there were changes in the surface morphology and functional groups before and after treatment. The reaction kinetics were modeled best in the second order. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Artocarpus%20heterophyllus" title="Artocarpus heterophyllus">Artocarpus heterophyllus</a>, <a href="https://publications.waset.org/abstracts/search?q=coagulation-flocculation" title=" coagulation-flocculation"> coagulation-flocculation</a>, <a href="https://publications.waset.org/abstracts/search?q=coagulant%20dosages" title=" coagulant dosages"> coagulant dosages</a>, <a href="https://publications.waset.org/abstracts/search?q=setting%20time" title=" setting time"> setting time</a>, <a href="https://publications.waset.org/abstracts/search?q=paint%20effluent" title=" paint effluent"> paint effluent</a> </p> <a href="https://publications.waset.org/abstracts/156420/performance-evaluation-and-kinetics-of-artocarpus-heterophyllus-seed-for-the-purification-of-paint-industrial-wastewater-by-coagulation-flocculation-process" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/156420.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">95</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">12</span> Effect of Highway Construction on Soil Properties and Soil Organic Carbon (Soc) Along Lagos-Badagry Expressway, Lagos, Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fatai%20Olakunle%20Ogundele">Fatai Olakunle Ogundele</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Road construction is increasingly common in today's world as human development expands and people increasingly rely on cars for transportation on a daily basis. The construction of a large network of roads has dramatically altered the landscape and impacted well-being in a number of deleterious ways. In addition, the road can also shift population demographics and be a source of pollution into the environment. Road construction activities normally result in changes in alteration of the soil's physical properties through soil compaction on the road itself and on adjacent areas and chemical and biological properties, among other effects. Understanding roadside soil properties that are influenced by road construction activities can serve as a basis for formulating conservation-based management strategies. Therefore, this study examined the effects of road construction on soil properties and soil organic carbon along Lagos Badagry Expressway, Lagos, Nigeria. The study adopted purposive sampling techniques and 40 soil samples were collected at a depth of 0 – 30cm from each of the identified road intersections and infrastructures using a soil auger. The soil samples collected were taken to the laboratory for soil properties and carbon stock analysis using standard methods. Both descriptive and inferential statistical techniques were applied to analyze the data obtained. The results revealed that soil compaction inhibits ecological succession on roadsides in that increased compaction suppresses plant growth as well as causes changes in soil quality. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=highway" title="highway">highway</a>, <a href="https://publications.waset.org/abstracts/search?q=soil%20properties" title=" soil properties"> soil properties</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20carbon" title=" organic carbon"> organic carbon</a>, <a href="https://publications.waset.org/abstracts/search?q=road%20construction" title=" road construction"> road construction</a>, <a href="https://publications.waset.org/abstracts/search?q=land%20degradation" title=" land degradation"> land degradation</a> </p> <a href="https://publications.waset.org/abstracts/161302/effect-of-highway-construction-on-soil-properties-and-soil-organic-carbon-soc-along-lagos-badagry-expressway-lagos-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161302.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">80</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">11</span> Elaboration and Investigation of the New Ecologically Clean Friction Composite Materials on the Basis of Nanoporous Raw Materials</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lia%20Gventsadze">Lia Gventsadze</a>, <a href="https://publications.waset.org/abstracts/search?q=Elguja%20Kutelia"> Elguja Kutelia</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20Gventsadze"> David Gventsadze</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The purpose of the article is to show the possibility for the development of a new generation, eco-friendly (asbestos free) nano-porous friction materials on the basis of Georgian raw materials, along with the determination of technological parameters for their production, as well as the optimization of tribological properties and the investigation of structural aspects of wear peculiarities of elaborated materials using the scanning electron microscopy (SEM) and Auger electron spectroscopy (AES) methods. The study investigated the tribological properties of the polymer friction materials on the basis of the phenol-formaldehyde resin using the porous diatomite filler modified by silane with the aim to improve the thermal stability, while the composition was modified by iron phosphate, technical carbon and basalt fibre. As a result of testing the stable values of friction factor (0.3-0,45) were reached, both in dry and wet friction conditions, the friction working parameters (friction factor and wear stability) remained stable up to 500 OC temperatures, the wear stability of gray cast-iron disk increased 3-4 times, the soundless operation of materials without squeaking were achieved. Herewith it was proved that small amount of ingredients (5-6) are enough to compose the nano-porous friction materials. The study explains the mechanism of the action of nano-porous composition base brake lining materials and its tribological efficiency on the basis of the triple phase model of the tribo-pair. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=brake%20lining" title="brake lining">brake lining</a>, <a href="https://publications.waset.org/abstracts/search?q=friction%20coefficient" title=" friction coefficient"> friction coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=wear" title=" wear"> wear</a>, <a href="https://publications.waset.org/abstracts/search?q=nanoporous%20composite" title=" nanoporous composite"> nanoporous composite</a>, <a href="https://publications.waset.org/abstracts/search?q=phenolic%20resin" title=" phenolic resin"> phenolic resin</a> </p> <a href="https://publications.waset.org/abstracts/13090/elaboration-and-investigation-of-the-new-ecologically-clean-friction-composite-materials-on-the-basis-of-nanoporous-raw-materials" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13090.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">393</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">10</span> Biomolecules Based Microarray for Screening Human Endothelial Cells Behavior</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Adel%20Dalilottojari">Adel Dalilottojari</a>, <a href="https://publications.waset.org/abstracts/search?q=Bahman%20Delalat"> Bahman Delalat</a>, <a href="https://publications.waset.org/abstracts/search?q=Frances%20J.%20Harding"> Frances J. Harding</a>, <a href="https://publications.waset.org/abstracts/search?q=Michaelia%20P.%20Cockshell"> Michaelia P. Cockshell</a>, <a href="https://publications.waset.org/abstracts/search?q=Claudine%20S.%20Bonder"> Claudine S. Bonder</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20H.%20Voelcker"> Nicolas H. Voelcker</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Endothelial Progenitor Cell (EPC) based therapies continue to be of interest to treat ischemic events based on their proven role to promote blood vessel formation and thus tissue re-vascularisation. Current strategies for the production of clinical-grade EPCs requires the <em>in vitro</em> isolation of EPCs from peripheral blood followed by cell expansion to provide sufficient quantities EPCs for cell therapy. This study aims to examine the use of different biomolecules to significantly improve the current strategy of EPC capture and expansion on collagen type I (Col I). In this study, four different biomolecules were immobilised on a surface and then investigated for their capacity to support EPC capture and proliferation. First, a cell microarray platform was fabricated by coating a glass surface with epoxy functional allyl glycidyl ether plasma polymer (AGEpp) to mediate biomolecule binding. The four candidate biomolecules tested were Col I, collagen type II (Col II), collagen type IV (Col IV) and vascular endothelial growth factor A (VEGF-A), which were arrayed on the epoxy-functionalised surface using a non-contact printer. The surrounding area between the printed biomolecules was passivated with polyethylene glycol-bisamine (A-PEG) to prevent non-specific cell attachment. EPCs were seeded onto the microarray platform and cell numbers quantified after 1 h (to determine capture) and 72 h (to determine proliferation). All of the extracellular matrix (ECM) biomolecules printed demonstrated an ability to capture EPCs within 1 h of cell seeding with Col II exhibiting the highest level of attachment when compared to the other biomolecules. Interestingly, Col IV exhibited the highest increase in EPC expansion after 72 h when compared to Col I, Col II and VEGF-A. These results provide information for significant improvement in the capture and expansion of human EPC for further application. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biomolecules" title="biomolecules">biomolecules</a>, <a href="https://publications.waset.org/abstracts/search?q=cell%20microarray%20platform" title=" cell microarray platform"> cell microarray platform</a>, <a href="https://publications.waset.org/abstracts/search?q=cell%20therapy" title=" cell therapy"> cell therapy</a>, <a href="https://publications.waset.org/abstracts/search?q=endothelial%20progenitor%20cells" title=" endothelial progenitor cells"> endothelial progenitor cells</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20throughput%20screening" title=" high throughput screening"> high throughput screening</a> </p> <a href="https://publications.waset.org/abstracts/58645/biomolecules-based-microarray-for-screening-human-endothelial-cells-behavior" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/58645.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">291</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">9</span> Sandy Soil Properties under Different Plant Cover Types in Drylands, Sudan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rayan%20Elsiddig%20Eltaib">Rayan Elsiddig Eltaib</a>, <a href="https://publications.waset.org/abstracts/search?q=Yamanaka%20Norikazu"> Yamanaka Norikazu</a>, <a href="https://publications.waset.org/abstracts/search?q=Mubarak%20Abdelrahman%20Abdalla"> Mubarak Abdelrahman Abdalla</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study investigated the effects of Acacia Senegal, Calotropis procera, Leptadenia pyrotechnica, Ziziphus spina Christi, Balanites aegyptiaca, Indigofera oblongigolia, Arachis hypogea and Sesimum indicum grown in the western region of White Nile State on soil properties of the 0-10, 10-30, 30-60 and 60-90 cm depths. Soil properties were: pH(paste), electrical conductivity of the saturation extract (ECe), total N (TN), organic carbon (OC), soluble K, available P, aggregate stability and water holding capacity. Triplicate Soil samples were collected after the end of the rainy season using 5 cm diameter auger. Results indicated that pH, ECe and TN were not significantly different among plant cover types. In the top 10-30 cm depth, OC under all types was significantly higher than the control (4.1 to 7.7 fold). The highest (0.085%) OC was found under the Z. spina Christi and A. Senegal whereas the lowest (0.045%) was reported under the A. hypogea. In the 10-30 cm depth, with the exception of A. hypogea, Z. spina christi and S. indicum, P content was almost similar but significantly higher than the control by 72 to 129%. In the 10-30 cm depth, K content under the S. indicum (0.46 meq/L) was exceptionally high followed by Z. spina christi (0.102 meq/L) as compared to the control (0.029 meq/L). Water holding capacity and aggregate stability of the top 0-10 cm depth were not significantly different among plant cover types. Based on the fact that accumulation of organic matter in the soil profile of any ecosystem is an important indicator of soil quality, results of this study may conclude that (1) cultivation of A.senegal, B.aegyptiaca and Z. spina Christi improved soil quality whereas (2) cultivation of A. hypogea or soil that is solely invaded with C. procera and L.pyrotechnica may induce soil degradation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=canopy" title="canopy">canopy</a>, <a href="https://publications.waset.org/abstracts/search?q=crops" title=" crops"> crops</a>, <a href="https://publications.waset.org/abstracts/search?q=shrubs" title=" shrubs"> shrubs</a>, <a href="https://publications.waset.org/abstracts/search?q=soil%20properties" title=" soil properties"> soil properties</a>, <a href="https://publications.waset.org/abstracts/search?q=trees" title=" trees"> trees</a> </p> <a href="https://publications.waset.org/abstracts/48162/sandy-soil-properties-under-different-plant-cover-types-in-drylands-sudan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48162.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">282</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">8</span> Habitat Suitability, Genetic Diversity and Population Structure of Two Sympatric Fruit Bat Species Reveal the Need of an Urgent Conservation Action</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Thani%20Ibouroi">Mohamed Thani Ibouroi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Cheha"> Ali Cheha</a>, <a href="https://publications.waset.org/abstracts/search?q=Claudine%20Montgelard"> Claudine Montgelard</a>, <a href="https://publications.waset.org/abstracts/search?q=Veronique%20Arnal"> Veronique Arnal</a>, <a href="https://publications.waset.org/abstracts/search?q=Dawiyat%20Massoudi"> Dawiyat Massoudi</a>, <a href="https://publications.waset.org/abstracts/search?q=Guillelme%20Astruc"> Guillelme Astruc</a>, <a href="https://publications.waset.org/abstracts/search?q=Said%20Ali%20Ousseni%20Dhurham"> Said Ali Ousseni Dhurham</a>, <a href="https://publications.waset.org/abstracts/search?q=Aurelien%20Besnard"> Aurelien Besnard</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Livingstone's flying fox (Pteropus livingstonii) and the Comorian fruit bat (P.seychellensis comorensis) are two endemic fruit bat species among the mostly threatened animals of the Comoros archipelagos. Despite their role as important ecosystem service providers like all flying fox species as pollinators and seed dispersers, little is known about their ecologies, population genetics and structures making difficult the development of evidence-based conservation strategies. In this study, we assess spatial distribution and ecological niche of both species using Species Distribution Modeling (SDM) based on the recent Ensemble of Small Models (ESMs) approach using presence-only data. Population structure and genetic diversity of the two species were assessed using both mitochondrial and microsatellite markers based on non-invasive genetic samples. Our ESMs highlight a clear niche partitioning of the two sympatric species. Livingstone’s flying fox has a very limited distribution, restricted on steep slope of natural forests at high elevation. On the contrary, the Comorian fruit bat has a relatively large geographic range spread over low elevations in farmlands and villages. Our genetic analysis shows a low genetic diversity for both fruit bats species. They also show that the Livingstone’s flying fox population of the two islands were genetically isolated while no evidence of genetic differentiation was detected for the Comorian fruit bats between islands. Our results support the idea that natural habitat loss, especially the natural forest loss and fragmentation are the important factors impacting the distribution of the Livingstone’s flying fox by limiting its foraging area and reducing its potential roosting sites. On the contrary, the Comorian fruit bats seem to be favored by human activities probably because its diets are less specialized. By this study, we concluded that the Livingstone’s flying fox species and its habitat are of high priority in term of conservation at the Comoros archipelagos scale. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Comoros%20islands" title="Comoros islands">Comoros islands</a>, <a href="https://publications.waset.org/abstracts/search?q=ecological%20niche" title=" ecological niche"> ecological niche</a>, <a href="https://publications.waset.org/abstracts/search?q=habitat%20loss" title=" habitat loss"> habitat loss</a>, <a href="https://publications.waset.org/abstracts/search?q=population%20genetics" title=" population genetics"> population genetics</a>, <a href="https://publications.waset.org/abstracts/search?q=fruit%20bats" title=" fruit bats"> fruit bats</a>, <a href="https://publications.waset.org/abstracts/search?q=conservation%20biology" title=" conservation biology"> conservation biology</a> </p> <a href="https://publications.waset.org/abstracts/62161/habitat-suitability-genetic-diversity-and-population-structure-of-two-sympatric-fruit-bat-species-reveal-the-need-of-an-urgent-conservation-action" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62161.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">7</span> Biomass and Carbon Stock Estimates of Woodlands in the Southeastern Escarpment of Ethiopian Rift Valley: An Implication for Climate Change Mitigation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sultan%20Haji%20Shube">Sultan Haji Shube</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Woodland ecosystems of semiarid rift valley of Ethiopia play a significant role in climate change mitigation by sequestering and storing more carbon. This study was conducted in Gidabo river sub-basins southeastern rift-valley escarpment of Ethiopian. It aims to estimate biomass and carbon stocks of woodlands and its implications for climate change mitigation. A total of 44 sampling plots (900m²each) were systematically laid in the woodland for vegetation and environmental data collection. A composite soil sample was taken from five locations main plot. Both disturbed and undisturbed soil samples were taken at two depths using soil auger and core-ring sampler, respectively. Allometric equation was used to estimate aboveground biomass while root-to-shoot ratio method and Walkley-Black method were used for belowground biomass and SOC, respectively. Result revealed that the totals of the study site was 17.05t/ha, of which 14.21t/ha was belonging for AGB and 2.84t/ha was for BGB. Moreover, 2224.7t/ha total carbon stocks was accumulated with an equivalent carbon dioxide of 8164.65t/ha. This study also revealed that more carbon was accumulated in the soil than the biomass. Both aboveground and belowground carbon stocks were decreased with increase in altitude while SOC stocks were increased. The AGC and BGC stocks were higher in the lower slope classes. SOC stocks were higher in the higher slope classes than in the lower slopes. Higher carbon stock was obtained from woody plants that had a DBH measure of >16cm and situated at plots facing northwest. Overall, study results will add up information about carbon stock potential of the woodland that will serve as a base line scenario for further research, policy makers and land managers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=allometric%20equation" title="allometric equation">allometric equation</a>, <a href="https://publications.waset.org/abstracts/search?q=climate%20change%20mitigation" title=" climate change mitigation"> climate change mitigation</a>, <a href="https://publications.waset.org/abstracts/search?q=soil%20organic%20carbon" title=" soil organic carbon"> soil organic carbon</a>, <a href="https://publications.waset.org/abstracts/search?q=woodland" title=" woodland"> woodland</a> </p> <a href="https://publications.waset.org/abstracts/166118/biomass-and-carbon-stock-estimates-of-woodlands-in-the-southeastern-escarpment-of-ethiopian-rift-valley-an-implication-for-climate-change-mitigation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/166118.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">82</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">6</span> Development and Compositional Analysis of Functional Bread and Biscuit from Soybean, Peas and Rice Flour</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jean%20Paul%20Hategekimana">Jean Paul Hategekimana</a>, <a href="https://publications.waset.org/abstracts/search?q=Bampire%20Claudine"> Bampire Claudine</a>, <a href="https://publications.waset.org/abstracts/search?q=Niyonsenga%20Nadia"> Niyonsenga Nadia</a>, <a href="https://publications.waset.org/abstracts/search?q=Irakoze%20Josiane"> Irakoze Josiane</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Peas, soybeans and rice are crops which are grown in Rwanda and are available in rural and urban local markets and they give contribution in reduction of health problems especially in fighting malnutrition and food insecurity in Rwanda. Several research activities have been conducted on how cereals flour can be mixed with legumes flour for developing baked products which are rich in protein, fiber, minerals as they are found in legumes. However, such activity was not yet well studied in Rwanda. The aim of the present study was to develop bread and biscuit products from peas, soybeans and rice as functional ingredients combined with wheat flour and then analyze the nutritional content and consumer acceptability of new developed products. The malnutrition problem can be reduced by producing bread and biscuits which are rich in protein and are very accessible for every individual. The processing of bread and biscuit were made by taking peas flour, soybeans flour and rice flour mixed with wheat flour and other ingredients then a dough was made followed by baking. For bread, two kind of products were processed, for each product one control and three experimental samples in different three ratios of peas and rice were prepared. These ratios were 95:5, 90:10 and 80:20 for bread from peas and 85:5:10, 80:10:10 and 70:10:20 for bread from peas and rice. For biscuit, two kind of products were also processed, for each product one control sample and three experimental samples in three different ratios were prepared. These ratios are 90:5:5,80:10:10 and 70:10:20 for biscuit from peas and rice and 90:5:5,80:10:10 and 70:10:20 for biscuit from soybean and rice. All samples including the control sample were analyzed for the consumer acceptability (sensory attributes) and nutritional composition. For sensory analysis, bread from of peas and rice flour with wheat flour at ratio 85:5:10 and bread from peas only as functional ingredient with wheat flour at ratio 95:5 and biscuits made from a of soybeans and rice at a ratio 90:5:5 and biscuit made from peas and rice at ratio 90:5:5 were most acceptable compared to control sample and other samples in different ratio. The moisture, protein, fat, fiber and minerals (Sodium and iron.) content were analyzed where bread from peas in all ratios was found to be rich in protein and fiber compare to control sample and biscuit from soybean and rice in all ratios was found to be rich in protein and fiber compare to control sample. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bakery%20products" title="bakery products">bakery products</a>, <a href="https://publications.waset.org/abstracts/search?q=peas%20and%20rice%20flour" title=" peas and rice flour"> peas and rice flour</a>, <a href="https://publications.waset.org/abstracts/search?q=wheat%20flour" title=" wheat flour"> wheat flour</a>, <a href="https://publications.waset.org/abstracts/search?q=sensory%20evaluation" title=" sensory evaluation"> sensory evaluation</a>, <a href="https://publications.waset.org/abstracts/search?q=proximate%20composition" title=" proximate composition"> proximate composition</a> </p> <a href="https://publications.waset.org/abstracts/184609/development-and-compositional-analysis-of-functional-bread-and-biscuit-from-soybean-peas-and-rice-flour" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/184609.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">64</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5</span> The Impact of COVID-19 Health Measures on Adults with Multiple Chemical Sensitivity</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Riina%20I.%20Bray">Riina I. Bray</a>, <a href="https://publications.waset.org/abstracts/search?q=Yifan%20Wang"> Yifan Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Nikolas%20Argiropoulos"> Nikolas Argiropoulos</a>, <a href="https://publications.waset.org/abstracts/search?q=Stephanie%20Robins"> Stephanie Robins</a>, <a href="https://publications.waset.org/abstracts/search?q=John%20Molot"> John Molot</a>, <a href="https://publications.waset.org/abstracts/search?q=Kelly%20Tragash"> Kelly Tragash</a>, <a href="https://publications.waset.org/abstracts/search?q=Lynn%20M.%20Marshall"> Lynn M. Marshall</a>, <a href="https://publications.waset.org/abstracts/search?q=Margaret%20E.%20Sears"> Margaret E. Sears</a>, <a href="https://publications.waset.org/abstracts/search?q=Marie-Andr%C3%A9e%20Pigeon"> Marie-Andrée Pigeon</a>, <a href="https://publications.waset.org/abstracts/search?q=Michel%20Gaudet"> Michel Gaudet</a>, <a href="https://publications.waset.org/abstracts/search?q=Pierre%20Auger"> Pierre Auger</a>, <a href="https://publications.waset.org/abstracts/search?q=Emily%20B%C3%A9langer"> Emily Bélanger</a>, <a href="https://publications.waset.org/abstracts/search?q=Rohini%20Peris"> Rohini Peris</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Multiple chemical sensitivity (MCS) is a chronic medical condition characterized by intolerances to chemical substances. Since the arrival of the COVID-19 pandemic and associated health measures, people experiencing MCS (PEMCS) are at a heightened risk of environmental exposures associated with cleaners, disinfectants, and sanitizers. Little attention has been paid to the well-being of PEMCS in the context of the COVID-19 pandemic. Objective: This study assesses the lived experiences of Canadian adults with MCS in relation to their living environment, access to healthcare, and levels of perceived social support before and during the pandemic. Methods: A total of 119 PEMCS completed an online questionnaire. McNemar Chi-Squared and Wilcoxon Signed Rank tests were used to evaluate if there were statistically significant changes in participants’ perception of their living environment, access to healthcare, and levels of social support before and after March 11, 2020. Results: Both positive and negative outcomes were noted. Participants reported an increase in exposure to disinfectants/sanitizers that entered their living environment (p<.001). There was a reported decrease in access to a family doctor during the pandemic (p<0.001). Although PEMCS experienced increased social isolation (p<0.001), they also reported an increase in understanding from family (p<0.029) and a decrease in stigma for wearing personal protective equipment (p<0.001). Conclusion: PEMCS reported experiencing: increased exposure to disinfectants or sanitizers, a loss of social support, and barriers in accessing healthcare during the pandemic. However, COVID-19 provided an opportunity to normalize the living conditions of PEMCS, such as wearing masks and social isolation. These findings can guide decision-makers on the importance of implementing nontoxic alternatives for cleaning and disinfection, as well as improving accommodation measures for PEMCS. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=covid-19" title="covid-19">covid-19</a>, <a href="https://publications.waset.org/abstracts/search?q=multiple%20chemical%20sensitivity" title=" multiple chemical sensitivity"> multiple chemical sensitivity</a>, <a href="https://publications.waset.org/abstracts/search?q=MCS" title=" MCS"> MCS</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20of%20life" title=" quality of life"> quality of life</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20isolation" title=" social isolation"> social isolation</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20environment" title=" physical environment"> physical environment</a>, <a href="https://publications.waset.org/abstracts/search?q=healthcare" title=" healthcare"> healthcare</a> </p> <a href="https://publications.waset.org/abstracts/155220/the-impact-of-covid-19-health-measures-on-adults-with-multiple-chemical-sensitivity" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/155220.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">86</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">4</span> Reconstruction Paleogeomorphological Map of the Nile River in Upper Egypt by Using Some Geomorphological and Geoarchaeological Indicators</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Magdy%20Torab">Magdy Torab</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ancient Egyptians built their temples purposefully close to the River Nile to use it for transporting construction stones from far away quarries to building sites in river-boats. Most temples, therefore, have river-harbors associated with their geometric designs. The paleoriver channel remapped by using this idea, besides other geomorphological and geoarchaeological indicators/evidence located between Aswan and Luxor cities. In this sense, this paper defines the characteristics of this ancient course and its associated landforms using paleochannel morphology, paleomeandering, and ancient river dynamics during historic and prehistoric times. Both geomorphological and geoarchaeological approaches used to reconstruct the paleomorphology of the river course. It helps to investigate the ancient river morphology by using the following techniques: comparison and interpretation of multi dates satellite images and historical maps between 1943 and 2004. The results illustrated on maps using GIS (ARC GIS V.10 software) and the field data collected from the western bank of The Nile River at Luxor area and Karnak, Edfu, Esna and Kom Ombo temples. Created both current and paleogeomorphological maps depending upon the results of geoarchaeological surveying and soil analysis and dating, for surface and subsurface soil sampling by handle auger, laser diffraction analysis for 7 soil samples collected from some mounds and Malkata channel in the western bank of The Nile River near Luxor. Paleo-current directions were determined by using standard Brunton compass to use it as an indicator is evidence for the direction of flow of The Nile River during deposition of some accumulated mounds on the western part of the floodplain near Luxor city. C-14 dating was used for two samples collected from these mounds as well as geographical information system (GIS) technique for mapping. The geomorphological and geoarchaeological evidence shows that the Nile River course in Luxor area was around 4.5 km wide and contained many islands and sandbars which separated inside the river channel, now appearing as scattered mounds inside the floodplain. Upper Egypt has migrated during the historic times to the east up to five kilometers and become far away from the ancient temples, quarries, and harbors. It has also become as well as become more meandering and narrower than before. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nile%20River" title="Nile River">Nile River</a>, <a href="https://publications.waset.org/abstracts/search?q=ancient%20harbours" title=" ancient harbours"> ancient harbours</a>, <a href="https://publications.waset.org/abstracts/search?q=Luxor" title=" Luxor"> Luxor</a>, <a href="https://publications.waset.org/abstracts/search?q=paleogeomorphology" title=" paleogeomorphology"> paleogeomorphology</a>, <a href="https://publications.waset.org/abstracts/search?q=geoarchaeology" title=" geoarchaeology"> geoarchaeology</a> </p> <a href="https://publications.waset.org/abstracts/94614/reconstruction-paleogeomorphological-map-of-the-nile-river-in-upper-egypt-by-using-some-geomorphological-and-geoarchaeological-indicators" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/94614.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">3</span> Geotechnical Evaluation and Sizing of the Reinforcement Layer on Soft Soil in the Construction of the North Triage Road Clover, in Brasilia Federal District, Brazil</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rideci%20Farias">Rideci Farias</a>, <a href="https://publications.waset.org/abstracts/search?q=Haroldo%20Paranhos"> Haroldo Paranhos</a>, <a href="https://publications.waset.org/abstracts/search?q=Joyce%20Silva"> Joyce Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Elson%20Almeida"> Elson Almeida</a>, <a href="https://publications.waset.org/abstracts/search?q=Hellen%20Silva"> Hellen Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Lucas%20Silva"> Lucas Silva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The constant growth of the fleet of vehicles in the big cities, makes that the Engineering is dynamic, with respect to the new solutions for traffic flow in general. In the Federal District (DF), Brazil, it is no different. The city of Brasilia, Capital of Brazil, and Cultural Heritage of Humanity by UNESCO, is projected to 500 thousand inhabitants, and today circulates more than 3 million people in the city, and with a fleet of more than one vehicle for every two inhabitants. The growth of the city to the North region, made that the urban planning presented solutions for the fleet in constant growth. In this context, a complex of viaducts, road accesses, creation of new rolling roads and duplication of the Bragueto bridge over Paranoa lake in the northern part of the city was designed, giving access to the BR-020 highway, denominated Clover of North Triage (TTN). In the geopedological context, the region is composed of hydromorphic soils, with the presence of the water level at some times of the year. From the geotechnical point of view, are soils with SPT < 4 and Resistance not drained, Su < 50 kPa. According to urban planning in Brasília, special art works can not rise in the urban landscape, contrasting with the urban characteristics of the architects Lúcio Costa and Oscar Niemeyer. Architects hired to design the new Capital of Brazil. The urban criterion then created the technical impasse, resulting in the technical need to ‘bury’ the works of art and in turn the access greenhouses at different levels, in regions of low support soil and water level Outcrossing, generally inducing the need for this study and design. For the adoption of the appropriate solution, Standard Penetration Test (SPT), Vane Test, Diagnostic peritoneal lavage (DPL) and auger boring campaigns were carried out. With the comparison of the results of these tests, the profiles of resistance of the soils and water levels were created in the studied sections. Geometric factors such as existing sidewalks and lack of elevation for the discharge of deep drainage water have inhibited traditional techniques for total removal of soft soils, thus avoiding the use of temporary drawdown and shoring of excavations. Thus, a structural layer was designed to reinforce the subgrade by means of the ‘needling’ of the soft soil, without the need for longitudinal drains. In this context, the article presents the geological and geotechnical studies carried out, but also the dimensioning of the reinforcement layer on the soft soil with a view to the main objective of this solution that is to allow the execution of the civil works without the interference in the roads in use, Execution of services in rainy periods, presentation of solution compatible with drainage characteristics and soft soil reinforcement. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=layer" title="layer">layer</a>, <a href="https://publications.waset.org/abstracts/search?q=reinforcement" title=" reinforcement"> reinforcement</a>, <a href="https://publications.waset.org/abstracts/search?q=soft%20soil" title=" soft soil"> soft soil</a>, <a href="https://publications.waset.org/abstracts/search?q=clover%20of%20north%20triage" title=" clover of north triage"> clover of north triage</a> </p> <a href="https://publications.waset.org/abstracts/77553/geotechnical-evaluation-and-sizing-of-the-reinforcement-layer-on-soft-soil-in-the-construction-of-the-north-triage-road-clover-in-brasilia-federal-district-brazil" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77553.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">226</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> Microfungi on Sandy Beaches: Potential Threats for People Enjoying Lakeside Recreation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tomasz%20Balabanski">Tomasz Balabanski</a>, <a href="https://publications.waset.org/abstracts/search?q=Anna%20Biedunkiewicz"> Anna Biedunkiewicz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Research on basic bacteriological and physicochemical parameters conducted by state institutions (Provincial Sanitary and Epidemiological Station and District Sanitary and Epidemiological Station) are limited to bathing waters under constant sanitary and epidemiological supervision. Unfortunately, no routine or monitoring tests are carried out for the presence of microfungi. This also applies to beach sand used for recreational purposes. The purpose of the planned own research was to determine the diversity of the mycobiota present on supervised and unsupervised sandy beaches, on the shores of lakes, of municipal baths used for recreation. The research material consisted of microfungi isolated from April to October 2019 from sandy beaches of supervised and unsupervised lakes located within the administrative boundaries of the city of Olsztyn (North-Eastern Poland, Europe). Four lakes, out of the fifteen available (Tyrsko, Kortowskie, Skanda, and Ukiel), whose bathing waters are subjected to routine bacteriological tests, were selected for testing. To compare the diversity of the mycobiota composition on the surface and below the sand mixing layer, samples were taken from two depths (10 cm and 50 cm), using a soil auger. Micro-fungi from sand samples were obtained by surface inoculation on an RBC medium from the 1st dilution (1:10). After incubation at 25°C for 96-144 h, the average number of CFU/dm³ was counted. Morphologically differing yeast colonies were passaged into Sabouraud agar slants with gentamicin and incubated again. For detailed laboratory analyses, culture methods (macro- and micro-cultures) and identification methods recommended in diagnostic mycological laboratories were used. The conducted research allowed obtaining 140 yeast isolates. The total average population ranged from 1.37 × 10⁻² CFU/dm³ before the bathing season (April 2019), 1.64 × 10⁻³ CFU/dm³ in the season (May-September 2019), and 1.60 × 10⁻² CFU/dm³ after the end of the season (October 2019). More microfungi were obtained from the surface layer of sand (100 isolates) than from the deeper layer (40 isolates). Reported microfungi may circulate seasonally between individual elements of the lake ecosystem. From the sand/soil from the catchment area beaches, they can get into bathing waters, stopping periodically on the coastal phyllosphere. The sand of the beaches and the phyllosphere are a kind of filter for the water reservoir. The presence of microfungi with various pathogenicity potential in these places is of major epidemiological importance. Therefore, full monitoring of not only recreational waters but also sandy beaches should be treated as an element of constant control by appropriate supervisory institutions, allowing recreational areas for public use so that the use of these places does not involve the risk of infection. Acknowledgment: 'Development Program of the University of Warmia and Mazury in Olsztyn', POWR.03.05.00-00-Z310/17, co-financed by the European Union under the European Social Fund from the Operational Program Knowledge Education Development. Tomasz Bałabański is a recipient of a scholarship from the Programme Interdisciplinary Doctoral Studies in Biology and Biotechnology (POWR.03.05.00-00-Z310/17), which is funded by the 'European Social Fund'. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=beach" title="beach">beach</a>, <a href="https://publications.waset.org/abstracts/search?q=microfungi" title=" microfungi"> microfungi</a>, <a href="https://publications.waset.org/abstracts/search?q=sand" title=" sand"> sand</a>, <a href="https://publications.waset.org/abstracts/search?q=yeasts" title=" yeasts"> yeasts</a> </p> <a href="https://publications.waset.org/abstracts/120862/microfungi-on-sandy-beaches-potential-threats-for-people-enjoying-lakeside-recreation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/120862.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">102</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1</span> Investigation of Chemical Effects on the Lγ2,3 and Lγ4 X-ray Production Cross Sections for Some Compounds of 66dy at Photon Energies Close to L1 Absorption-edge Energy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anil%20Kumar">Anil Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=Rajnish%20Kaur"> Rajnish Kaur</a>, <a href="https://publications.waset.org/abstracts/search?q=Mateusz%20Czyzycki"> Mateusz Czyzycki</a>, <a href="https://publications.waset.org/abstracts/search?q=Alessandro%20Migilori"> Alessandro Migilori</a>, <a href="https://publications.waset.org/abstracts/search?q=Andreas%20Germanos%20Karydas"> Andreas Germanos Karydas</a>, <a href="https://publications.waset.org/abstracts/search?q=Sanjiv%20Puri"> Sanjiv Puri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The radiative decay of Li(i=1-3) sub-shell vacancies produced through photoionization results in production of the characteristic emission spectrum comprising several X-ray lines, whereas non-radiative vacancy decay results in Auger electron spectrum. Accurate reliable data on the Li(i=1-3) sub-shell X-ray production (XRP) cross sections is of considerable importance for investigation of atomic inner-shell ionization processes as well as for quantitative elemental analysis of different types of samples employing the energy dispersive X-ray fluorescence (EDXRF) analysis technique. At incident photon energies in vicinity of the absorption edge energies of an element, the many body effects including the electron correlation, core relaxation, inter-channel coupling and post-collision interactions become significant in the photoionization of atomic inner-shells. Further, in case of compounds, the characteristic emission spectrum of the specific element is expected to get influenced by the chemical environment (coordination number, oxidation state, nature of ligand/functional groups attached to central atom, etc.). These chemical effects on L X-ray fluorescence parameters have been investigated by performing the measurements at incident photon energies much higher than the Li(i=1-3) sub-shell absorption edge energies using EDXRF spectrometers. In the present work, the cross sections for production of the Lk(k= γ2,3, γ4) X-rays have been measured for some compounds of 66Dy, namely, Dy2O3, Dy2(CO3)3, Dy2(SO4)3.8H2O, DyI2 and Dy metal by tuning the incident photon energies few eV above the L1 absorption-edge energy in order to investigate the influence of chemical effects on these cross sections in presence of the many body effects which become significant at photon energies close to the absorption-edge energies. The present measurements have been performed under vacuum at the IAEA end-station of the X-ray fluorescence beam line (10.1L) of ELETTRA synchrotron radiation facility (Trieste, Italy) using self-supporting pressed pellet targets (1.3 cm diameter, nominal thicknesses ~ 176 mg/cm2) of 66Dy compounds (procured from Sigma Aldrich) and a metallic foil of 66Dy (nominal thickness ~ 3.9 mg/cm2, procured from Good Fellow, UK). The present measured cross sections have been compared with theoretical values calculated using the Dirac-Hartree-Slater(DHS) model based fluorescence and Coster-Kronig yields, Dirac-Fock(DF) model based X-ray emission rates and two sets of L1 sub-shell photoionization cross sections based on the non-relativistic Hartree-Fock-Slater(HFS) model and those deduced from the self-consistent Dirac-Hartree-Fock(DHF) model based total photoionization cross sections. The present measured XRP cross sections for 66Dy as well as for its compounds for the L2,3 and L4 X-rays, are found to be higher by ~14-36% than the two calculated set values. It is worth to be mentioned that L2,3 and L4 X-ray lines are originated by filling up of the L1 sub-shell vacancies by the outer sub-shell (N2,3 and O2,3) electrons which are much more sensitive to the chemical environment around the central atom. The present observed differences between measured and theoretical values are expected due to combined influence of the many-body effects and the chemical effects. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chemical%20effects" title="chemical effects">chemical effects</a>, <a href="https://publications.waset.org/abstracts/search?q=L%20X-ray%20production%20cross%20sections" title=" L X-ray production cross sections"> L X-ray production cross sections</a>, <a href="https://publications.waset.org/abstracts/search?q=Many%20body%20effects" title=" Many body effects"> Many body effects</a>, <a href="https://publications.waset.org/abstracts/search?q=Synchrotron%20radiation" title=" Synchrotron radiation"> Synchrotron radiation</a> </p> <a href="https://publications.waset.org/abstracts/124775/investigation-of-chemical-effects-on-the-lgh23-and-lgh4-x-ray-production-cross-sections-for-some-compounds-of-66dy-at-photon-energies-close-to-l1-absorption-edge-energy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/124775.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">132</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" 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