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Victoria Vigoya Morales</title> <meta name="description" content="Search results for: Laura Victoria Vigoya Morales"> <meta name="keywords" content="Laura Victoria Vigoya Morales"> <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> 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Laura Victoria Vigoya Morales"> <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> 477</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Laura Victoria Vigoya Morales</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">477</span> Recognition of Early Enterococcus Faecalis through Image Treatment by Using Octave</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Laura%20Victoria%20Vigoya%20Morales">Laura Victoria Vigoya Morales</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20Rolando%20Suarez%20Mora"> David Rolando Suarez Mora</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The problem of detecting enterococcus faecalis is receiving considerable attention with the new cases of beachgoers infected with the bacteria, which can be found in fecal matter. The process detection of this kind of bacteria would be taking a long time, which waste time and money as a result of closing recreation place, like beach or pools. Hence, new methods for automating the process of detecting and recognition of this bacteria has become in a challenge. This article describes a novel approach to detect the enterococcus faecalis bacteria in water by using an octave algorithm, which embody a network neural. This document shows result of performance, quality and integrity of the algorithm. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Enterococcus%20faecalis" title="Enterococcus faecalis">Enterococcus faecalis</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20treatment" title=" image treatment"> image treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=octave%20and%20network%20neuronal" title=" octave and network neuronal"> octave and network neuronal</a> </p> <a href="https://publications.waset.org/abstracts/88433/recognition-of-early-enterococcus-faecalis-through-image-treatment-by-using-octave" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88433.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">230</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">476</span> Numerical Analysis of a Mechanism for the Morphology in the Extrados of an Airfoil</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=E.%20R.%20Jimenez%20Barron">E. R. Jimenez Barron</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Castillo%20Morales"> M. Castillo Morales</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20F.%20Ram%C3%ADrez%20Morales"> D. F. Ramírez Morales</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study of the morphology (shape change) in wings leads to the optimization of aerodynamic characteristics in an aircraft, so for the development and implementation of a change in the structure and shape of an airfoil, in this case the extrados, helps to increase the aerodynamic performance of an aircraft at different operating velocities, according to the required mission profile. A previous work on morphology is continued where the 'initial' profile is the NACA 4415 and as a new profile 'objective' the FUSION. The objective of this work is the dimensioning of the elements of the mechanism used to achieve the required changes. We consulted the different materials used in the aeronautics industry, as well as new materials in this area that could contribute to the good performance of the mechanism without negatively affecting the aerodynamics. These results allow evaluating the performance of a wing with variable extrados with respect to the defined morphology. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=numerical%20analysis" title="numerical analysis">numerical analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanisms" title=" mechanisms"> mechanisms</a>, <a href="https://publications.waset.org/abstracts/search?q=morphing%20airfoil" title=" morphing airfoil"> morphing airfoil</a>, <a href="https://publications.waset.org/abstracts/search?q=morphing%20wings" title=" morphing wings"> morphing wings</a> </p> <a href="https://publications.waset.org/abstracts/77600/numerical-analysis-of-a-mechanism-for-the-morphology-in-the-extrados-of-an-airfoil" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77600.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">235</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">475</span> Quantitative Analysis Of Traffic Dynamics And Violation Patterns Triggered By Cruise Ship Tourism In Victoria, British Columbia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Qasim">Muhammad Qasim</a>, <a href="https://publications.waset.org/abstracts/search?q=Laura%20Minet"> Laura Minet</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Victoria (BC), Canada, is a major cruise ship destination, attracting over 600,000 tourists annually. Residents of the James Bay neighborhood, home to the Ogden Point cruise terminal, have expressed concerns about the impacts of cruise ship activity on local traffic, air pollution, and safety compliance. This study evaluates the effects of cruise ship-induced traffic in James Bay, focusing on traffic flow intensification, density surges, changes in traffic mix, and speeding violations. To achieve these objectives, traffic data was collected in James Bay during two key periods: May, before the peak cruise season, and August, during full cruise operations. Three Miovision cameras captured the vehicular traffic mix at strategic entry points, while nine traffic counters monitored traffic distribution and speeding violations across the network. Traffic data indicated an average volume of 308 vehicles per hour during peak cruise times in May, compared to 116 vehicles per hour when no ships were in port. Preliminary analyses revealed a significant intensification of traffic flow during cruise ship "hoteling hours," with a volume increase of approximately 10% per cruise ship arrival. A notable 86% surge in taxi presence was observed on days with three cruise ships in port, indicating a substantial shift in traffic composition, particularly near the cruise terminal. The number of tourist buses escalated from zero in May to 32 in August, significantly altering traffic dynamics within the neighborhood. The period between 8 pm and 11 pm saw the most significant increases in traffic volume, especially when three ships were docked. Higher vehicle volumes were associated with a rise in speed violations, although this pattern was inconsistent across all areas. Speeding violations were more frequent on roads with lower traffic density, while roads with higher traffic density experienced fewer violations, due to reduced opportunities for speeding in congested conditions. PTV VISUM software was utilized for fuzzy distribution analysis and to visualize traffic distribution across the study area, including an assessment of the Level of Service on major roads during periods before and during the cruise ship season. This analysis identified the areas most affected by cruise ship-induced traffic, providing a detailed understanding of the impact on specific parts of the transportation network. These findings underscore the significant influence of cruise ship activity on traffic dynamics in Victoria, BC, particularly during peak periods when multiple ships are in port. The study highlights the need for targeted traffic management strategies to mitigate the adverse effects of increased traffic flow, changes in traffic mix, and speed violations, thereby enhancing road safety in the James Bay neighborhood. Further research will focus on detailed emissions estimation to fully understand the environmental impacts of cruise ship activity in Victoria. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cruise%20ship%20tourism" title="cruise ship tourism">cruise ship tourism</a>, <a href="https://publications.waset.org/abstracts/search?q=air%20quality" title=" air quality"> air quality</a>, <a href="https://publications.waset.org/abstracts/search?q=traffic%20violations" title=" traffic violations"> traffic violations</a>, <a href="https://publications.waset.org/abstracts/search?q=transport%20dynamics" title=" transport dynamics"> transport dynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=pollution" title=" pollution"> pollution</a> </p> <a href="https://publications.waset.org/abstracts/190464/quantitative-analysis-of-traffic-dynamics-and-violation-patterns-triggered-by-cruise-ship-tourism-in-victoria-british-columbia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/190464.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">22</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">474</span> Freshwater Lens Observation: Case Study of Laura Island, Majuro Atoll, Republic of the Marshall Islands</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kazuhisa%20Koda">Kazuhisa Koda</a>, <a href="https://publications.waset.org/abstracts/search?q=Tsutomu%20Kobayashi"> Tsutomu Kobayashi</a>, <a href="https://publications.waset.org/abstracts/search?q=Rebecca%20Lorennji"> Rebecca Lorennji</a>, <a href="https://publications.waset.org/abstracts/search?q=Alington%20Robert"> Alington Robert</a>, <a href="https://publications.waset.org/abstracts/search?q=Halston%20DeBrum"> Halston DeBrum</a>, <a href="https://publications.waset.org/abstracts/search?q=Julious%20Lucky"> Julious Lucky</a>, <a href="https://publications.waset.org/abstracts/search?q=Paul%20Paul"> Paul Paul</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Atolls are low-lying small islands with highly permeable ground that does not allow rivers and lakes to develop. As the water resources on these atolls basically rely on precipitation, groundwater becomes a very important water resource during droughts. Freshwater lenses develop as groundwater on relatively large atoll islands and play a key role in the stable water supply. Atoll islands in the Pacific Ocean sometimes suffer from drought due to El Nino. The global warming effects are noticeable, particularly on atoll islands. The Republic of the Marshall Islands in Oceania is burdened with the problems common to atoll islands. About half of its population lives in the capital, Majuro, and securing water resources for these people is a crucial issue. There is a freshwater lens on the largest, Laura Island, which serves as a water source for the downtown area. A serious drought that occurred in 1998 resulted in excessive water intake from the freshwater lens on Laura Island causing up-coning. Up-coning mixes saltwater into groundwater pumped from water-intake wells. Because up-coning makes the freshwater lens unusable, there was a need to investigate the freshwater lens on Laura Island. In this study, we observed the electrical conductivities of the groundwater at different depths in existing monitoring wells to determine the total storage volume of the freshwater lens on Laura Island from 2010 to 2013. Our results indicated that most of the groundwater that seeped into the freshwater lens had flowed out into the sea. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Atoll%20islands" title="Atoll islands">Atoll islands</a>, <a href="https://publications.waset.org/abstracts/search?q=drought" title=" drought"> drought</a>, <a href="https://publications.waset.org/abstracts/search?q=El-Nino" title=" El-Nino"> El-Nino</a>, <a href="https://publications.waset.org/abstracts/search?q=freshwater%20lens" title=" freshwater lens"> freshwater lens</a>, <a href="https://publications.waset.org/abstracts/search?q=groundwater%20observation" title=" groundwater observation"> groundwater observation</a> </p> <a href="https://publications.waset.org/abstracts/56405/freshwater-lens-observation-case-study-of-laura-island-majuro-atoll-republic-of-the-marshall-islands" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56405.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">323</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">473</span> Sustainable Use of Laura Lens during Drought</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kazuhisa%20Koda">Kazuhisa Koda</a>, <a href="https://publications.waset.org/abstracts/search?q=Tsutomu%20Kobayashi"> Tsutomu Kobayashi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Laura Island, which is located about 50 km away from downtown, is a source of water supply in Majuro atoll, which is the capital of the Republic of the Marshall Islands. Low and flat Majuro atoll has neither river nor lake. It is very important for Majuro atoll to ensure the conservation of its water resources. However, up-coning, which is the process of partial rising of the freshwater-saltwater boundary near the water-supply well, was caused by the excess pumping from it during the severe drought in 1998. Up-coning will make the water usage of the freshwater lens difficult. Thus, appropriate water usage is required to prevent up-coning in the freshwater lens because there is no other water source during drought. Numerical simulation of water usage applying SEAWAT model was conducted at the central part of Laura Island, including the water-supply well, which was affected by up-coning. The freshwater lens was created as a result of infiltration of consistent average rainfall. The lens shape was almost the same as the one in 1985. 0 of monthly rainfall and variable daily pump discharge were used to calculate the sustainable pump discharge from the water-supply well. Consequently, the total amount of pump discharge was increased as the daily pump discharge was increased, indicating that it needs more time to recover from up-coning. Thus, a pump standard to reduce the pump intensity is being proposed, which is based on numerical simulation concerning the occurrence of the up-coning phenomenon in Laura Island during the drought. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=freshwater%20lens" title="freshwater lens">freshwater lens</a>, <a href="https://publications.waset.org/abstracts/search?q=islands" title=" islands"> islands</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20simulation" title=" numerical simulation"> numerical simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20water%20use" title=" sustainable water use"> sustainable water use</a> </p> <a href="https://publications.waset.org/abstracts/37678/sustainable-use-of-laura-lens-during-drought" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37678.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">294</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">472</span> Systematics of Water Lilies (Genus Nymphaea L.) Using 18S rDNA Sequences</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Nakkuntod">M. Nakkuntod</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Srinarang"> S. Srinarang</a>, <a href="https://publications.waset.org/abstracts/search?q=K.W.%20Hilu"> K.W. Hilu </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Water lily (<em>Nymphaea</em> L.) is the largest genus of Nymphaeaceae. This family is composed of six genera (<em>Nuphar</em>, <em>Ondinea</em>, <em>Euryale</em>, <em>Victoria</em>, <em>Barclaya</em>, <em>Nymphaea</em>). Its members are nearly worldwide in tropical and temperate regions. The classification of some species in <em>Nymphaea</em> is ambiguous due to high variation in leaf and flower parts such as leaf margin, stamen appendage. Therefore, the phylogenetic relationships based on 18S rDNA were constructed to delimit this genus. DNAs of 52 specimens belonging to water lily family were extracted using modified conventional method containing cetyltrimethyl ammonium bromide (<em>CTAB</em>). The results showed that the amplified fragment is about 1600 base pairs in size. After analysis, the aligned sequences presented 9.36% for variable characters comprising 2.66% of parsimonious informative sites and 6.70% of singleton sites. Moreover, there are 6 regions of 1-2 base(s) for insertion/deletion. The phylogenetic trees based on maximum parsimony and maximum likelihood with high bootstrap support indicated that genus <em>Nymphaea</em> was a paraphyletic group because of <em>Ondinea</em>, <em>Victoria</em> and <em>Euryale</em> disruption. Within genus <em>Nymphaea</em>, subgenus <em>Nymphaea</em> is a basal lineage group which cooperated with <em>Euryale</em> and <em>Victoria</em>. The other four subgenera, namely <em>Lotos</em>, <em>Hydrocallis</em>, <em>Brachyceras </em>and <em>Anecphya</em> were included the same large clade which <em>Ondinea</em> was placed within <em>Anecphya</em> clade due to geographical sharing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nrDNA" title="nrDNA">nrDNA</a>, <a href="https://publications.waset.org/abstracts/search?q=phylogeny" title=" phylogeny"> phylogeny</a>, <a href="https://publications.waset.org/abstracts/search?q=taxonomy" title=" taxonomy"> taxonomy</a>, <a href="https://publications.waset.org/abstracts/search?q=waterlily" title=" waterlily"> waterlily</a> </p> <a href="https://publications.waset.org/abstracts/96212/systematics-of-water-lilies-genus-nymphaea-l-using-18s-rdna-sequences" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/96212.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">143</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">471</span> A new genus and species of Agriotina Laporte, 1840 (Coleoptera: Elateridae: Agriotini) from Colombia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Martin%20L.%20Zurita%20Garc%C3%ADa">Martin L. Zurita García</a>, <a href="https://publications.waset.org/abstracts/search?q=Erick%20O.%20Mart%C3%ADnez%20Luque"> Erick O. Martínez Luque</a>, <a href="https://publications.waset.org/abstracts/search?q=Jessica%20Morales%20Perdomo"> Jessica Morales Perdomo</a>, <a href="https://publications.waset.org/abstracts/search?q=Yivy%20Mart%C3%ADnez%20Duarte"> Yivy Martínez Duarte</a>, <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Ari%20Noriega"> Jorge Ari Noriega</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Colombia’s click beetles (Family Elateridae) are poorly documented in their diversity and taxonomy. There are listed 43 genera for Colombia but without a specific number of their species. No species of the genus Agriotes Eschscholtz (Elaterinae: Agriotini) have been recorded in Colombia. Currently, the subtribe Agriotina in the New World includes three genera: Agriotes, Bohartina Arias and Dalopius Eschscholtz. Historically, the genera Agriotes and Dalopius have had significant taxonomic problems due to their morphological resemblance. These similarities motivated several specialists to generate taxonomic movements such as synonyms and segregations of species in these genera on several occasions. To trying to solve these taxonomic problems, an author proposes some morphological characters present in the larvae, but mainly some genital characters of the females, such as the sclerotized plates of the bursa copulatrix. After examining material newly collected in Colombia, we found a click beetle having a unique combination of diagnostic characters that clearly separate it from any other genera of Agriotina. Hence, we describe and illustrate this click beetle under the name Raphaellus deusminutosi Zurita-García, Morales-Perdomo & Martínez-Luque n. gen. & n. sp., and we also compare this genus with the other New World genera of the subtribes Agriotina. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=click%20beetles" title="click beetles">click beetles</a>, <a href="https://publications.waset.org/abstracts/search?q=new%20genus" title=" new genus"> new genus</a>, <a href="https://publications.waset.org/abstracts/search?q=new%20species" title=" new species"> new species</a>, <a href="https://publications.waset.org/abstracts/search?q=elaterinae" title=" elaterinae"> elaterinae</a>, <a href="https://publications.waset.org/abstracts/search?q=raphaellus%20deusminutosi" title=" raphaellus deusminutosi"> raphaellus deusminutosi</a> </p> <a href="https://publications.waset.org/abstracts/175772/a-new-genus-and-species-of-agriotina-laporte-1840-coleoptera-elateridae-agriotini-from-colombia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/175772.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">83</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">470</span> Unlocking Tourism Value through a Tourist Experience Management Paradigm</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Siphiwe%20P.%20Mandina">Siphiwe P. Mandina</a>, <a href="https://publications.waset.org/abstracts/search?q=Tinashe%20Shamuyashe"> Tinashe Shamuyashe</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tourism has become a topical issue amongst academics and practitioners due to its potential to contribute significantly towards an economy’s GDP. The problem underpinning this research is the fact that the major attraction, Victoria Falls, is being marketed in neighboring countries like South Africa, Botswana and Zambia with tour operators providing just day trips to the Victoria Falls. This has deprived Zimbabwe of income from tourism with tourists making day trips and actually not spending nights in Zimbabwe. This therefore calls for cutting edge marketing strategies that are superior to or inimitable by competing nations such as South Africa and Zambia. This study proposes a shift towards an experience management paradigm in the tourism sector. A qualitative research was adopted for this study, and findings of this study were generalized across different tourism contexts, therefore making the survey based research design more appropriate. The target population for this study is tourists visiting Zimbabwe over the period 2016 and ZTA visitor database acquired from the Department of Immigration will form the sampling frame for the purposes of this study. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tourist%20experiences" title="tourist experiences">tourist experiences</a>, <a href="https://publications.waset.org/abstracts/search?q=Zimbabwe" title=" Zimbabwe"> Zimbabwe</a>, <a href="https://publications.waset.org/abstracts/search?q=tourist%20arrivals" title=" tourist arrivals"> tourist arrivals</a>, <a href="https://publications.waset.org/abstracts/search?q=competitiveness" title=" competitiveness"> competitiveness</a> </p> <a href="https://publications.waset.org/abstracts/53517/unlocking-tourism-value-through-a-tourist-experience-management-paradigm" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/53517.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">252</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">469</span> Development of Vertically Integrated 2D Lake Victoria Flow Models in COMSOL Multiphysics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seema%20Paul">Seema Paul</a>, <a href="https://publications.waset.org/abstracts/search?q=Jesper%20Oppelstrup"> Jesper Oppelstrup</a>, <a href="https://publications.waset.org/abstracts/search?q=Roger%20Thunvik"> Roger Thunvik</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Cvetkovic"> Vladimir Cvetkovic</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lake Victoria is the second largest fresh water body in the world, located in East Africa with a catchment area of 250,000 km², of which 68,800 km² is the actual lake surface. The hydrodynamic processes of the shallow (40–80 m deep) water system are unique due to its location at the equator, which makes Coriolis effects weak. The paper describes a St.Venant shallow water model of Lake Victoria developed in COMSOL Multiphysics software, a general purpose finite element tool for solving partial differential equations. Depth soundings taken in smaller parts of the lake were combined with recent more extensive data to resolve the discrepancies of the lake shore coordinates. The topography model must have continuous gradients, and Delaunay triangulation with Gaussian smoothing was used to produce the lake depth model. The model shows large-scale flow patterns, passive tracer concentration and water level variations in response to river and tracer inflow, rain and evaporation, and wind stress. Actual data of precipitation, evaporation, in- and outflows were applied in a fifty-year simulation model. It should be noted that the water balance is dominated by rain and evaporation and model simulations are validated by Matlab and COMSOL. The model conserves water volume, the celerity gradients are very small, and the volume flow is very slow and irrotational except at river mouths. Numerical experiments show that the single outflow can be modelled by a simple linear control law responding only to mean water level, except for a few instances. Experiments with tracer input in rivers show very slow dispersion of the tracer, a result of the slow mean velocities, in turn, caused by the near-balance of rain with evaporation. The numerical and hydrodynamical model can evaluate the effects of wind stress which is exerted by the wind on the lake surface that will impact on lake water level. Also, model can evaluate the effects of the expected climate change, as manifest in changes to rainfall over the catchment area of Lake Victoria in the future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bathymetry" title="bathymetry">bathymetry</a>, <a href="https://publications.waset.org/abstracts/search?q=lake%20flow%20and%20steady%20state%20analysis" title=" lake flow and steady state analysis"> lake flow and steady state analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20level%20validation%20and%20concentration" title=" water level validation and concentration"> water level validation and concentration</a>, <a href="https://publications.waset.org/abstracts/search?q=wind%20stress" title=" wind stress"> wind stress</a> </p> <a href="https://publications.waset.org/abstracts/77462/development-of-vertically-integrated-2d-lake-victoria-flow-models-in-comsol-multiphysics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77462.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">227</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">468</span> Characterization of Chest Pain in Patients Consulting to the Emergency Department of a Health Institution High Level of Complexity during 2014-2015, Medellin, Colombia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Iv%C3%A1n%20Ba%C3%B1ol-Betancur">Jorge Iván Bañol-Betancur</a>, <a href="https://publications.waset.org/abstracts/search?q=Lina%20Mar%C3%ADa%20Mart%C3%ADnez-S%C3%A1nchez"> Lina María Martínez-Sánchez</a>, <a href="https://publications.waset.org/abstracts/search?q=Mar%C3%ADa%20de%20los%20%C3%81ngeles%20Rodr%C3%ADguez-G%C3%A1zquez"> María de los Ángeles Rodríguez-Gázquez</a>, <a href="https://publications.waset.org/abstracts/search?q=Estefan%C3%ADa%20Bahamonde-Olaya"> Estefanía Bahamonde-Olaya</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20Mar%C3%ADa%20Guti%C3%A9rrez-Tamayo"> Ana María Gutiérrez-Tamayo</a>, <a href="https://publications.waset.org/abstracts/search?q=Laura%20Isabel%20Jaramillo-Jaramillo"> Laura Isabel Jaramillo-Jaramillo</a>, <a href="https://publications.waset.org/abstracts/search?q=Camilo%20Ruiz-Mej%C3%ADa"> Camilo Ruiz-Mejía</a>, <a href="https://publications.waset.org/abstracts/search?q=Natalia%20Morales-Quintero"> Natalia Morales-Quintero</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Acute chest pain is a distressing sensation between the diaphragm and the base of the neck and it represents a diagnostic challenge for any physician in the emergency department. Objective: To establish the main clinical and epidemiological characteristics of patients who present with chest pain to the emergency department in a private clinic from the city of Medellin, during 2014-2015. Methods: Cross-sectional retrospective observational study. Population and sample were patients who consulted for chest pain in the emergency department who met the eligibility criteria. The information was analyzed in SPSS program vr.21; qualitative variables were described through relative frequencies, and the quantitative through mean and standard deviation ‬or medians according to their distribution in the study population. Results: A total of 231 patients were evaluated, the mean age was 49.5 ± 19.9 years, 56.7% were females. The most frequent pathological antecedents were hypertension 35.5%, diabetes 10,8%, dyslipidemia 10.4% and coronary disease 5.2%. Regarding pain features, in 40.3% of the patients the pain began abruptly, in 38.2% it had a precordial location, for 20% of the cases physical activity acted as a trigger, and 60.6% was oppressive. Costochondritis was the most common cause of chest pain among patients with an established etiologic diagnosis, representing the 18.2%. Conclusions: Although the clinical features of pain reported coincide with the clinical presentation of an acute coronary syndrome, the most common cause of chest pain in study population was costochondritis instead, indicating that it is a differential diagnostic in the approach of patients with pain acute chest. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acute%20coronary%20syndrome" title="acute coronary syndrome">acute coronary syndrome</a>, <a href="https://publications.waset.org/abstracts/search?q=chest%20pain" title=" chest pain"> chest pain</a>, <a href="https://publications.waset.org/abstracts/search?q=epidemiology" title=" epidemiology"> epidemiology</a>, <a href="https://publications.waset.org/abstracts/search?q=osteochondritis" title=" osteochondritis"> osteochondritis</a> </p> <a href="https://publications.waset.org/abstracts/71857/characterization-of-chest-pain-in-patients-consulting-to-the-emergency-department-of-a-health-institution-high-level-of-complexity-during-2014-2015-medellin-colombia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/71857.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">343</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">467</span> Sustainable Intensification of Agriculture in Victoria’s Food Bowl: Optimizing Productivity with the use of Decision-Support Tools</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Johnson">M. Johnson</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Faggian"> R. Faggian</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Sposito"> V. Sposito</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A participatory and engaged approach is key in connecting agricultural managers to sustainable agricultural systems to support and optimize production in Victoria’s food bowl. A sustainable intensification (SI) approach is well documented globally, but participation rates amongst Victorian farmers is fragmentary, and key outcomes and implementation strategies are poorly understood. Improvement in decision-support management tools and a greater understanding of the productivity gains available upon implementation of SI is necessary. This paper reviews the current understanding and uptake of SI practices amongst farmers in one of Victoria’s premier food producing regions, the Goulburn Broken; and it spatially analyses the potential for this region to adapt to climate change and optimize food production. A Geographical Information Systems (GIS) approach is taken to develop an interactive decision-support tool that can be accessible to on-ground agricultural managers. The tool encompasses multiple criteria analysis (MCA) that identifies factors during the construction phase of the tool, using expert witnesses and regional knowledge, framed within an Analytical Hierarchy Process. Given the complexities of the interrelations between each of the key outcomes, this participatory approach, in which local realities and factors inform the key outcomes and help to strategies for a particular region, results in a robust strategy for sustainably intensifying production in key food producing regions. The creation of an interactive, locally embedded, decision-support management and education tool can help to close the gap between farmer knowledge and production, increase on-farm adoption of sustainable farming strategies and techniques, and optimize farm productivity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=agriculture" title="agriculture">agriculture</a>, <a href="https://publications.waset.org/abstracts/search?q=decision-support%20management%20tool" title=" decision-support management tool"> decision-support management tool</a>, <a href="https://publications.waset.org/abstracts/search?q=Geographic%20Information%20System" title=" Geographic Information System"> Geographic Information System</a>, <a href="https://publications.waset.org/abstracts/search?q=GIS" title=" GIS"> GIS</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20intensification" title=" sustainable intensification"> sustainable intensification</a> </p> <a href="https://publications.waset.org/abstracts/88111/sustainable-intensification-of-agriculture-in-victorias-food-bowl-optimizing-productivity-with-the-use-of-decision-support-tools" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/88111.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">166</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">466</span> Rules in Policy Integration, Case Study: Victoria Catchment Management</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ratri%20Werdiningtyas">Ratri Werdiningtyas</a>, <a href="https://publications.waset.org/abstracts/search?q=Yongping%20Wei"> Yongping Wei</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrew%20Western"> Andrew Western</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper contributes to on-going attempts at bringing together land, water and environmental policy in catchment management. A tension remains in defining the boundaries of policy integration. Most of Integrated Water Resource Management is valued as rhetoric policy. It is far from being achieved on the ground because the socio-ecological system has not been understood and developed into complete and coherent problem representation. To clarify the feature of integration, this article draws on institutional fit for public policy integration and uses these insights in an empirical setting to identify the mechanism that can facilitate effective public integration for catchment management. This research is based on the journey of Victoria’s government from 1890-2016. A total of 274 Victorian Acts related to land, water, environment management published in those periods has been investigated. Four conditions of integration have been identified in their co-evolution: (1) the integration policy based on reserves, (2) the integration policy based on authority interest, (3) policy based on integrated information and, (4) policy based coordinated resource, authority and information. Results suggest that policy coordination among their policy instrument is superior rather than policy integration in the case of catchment management. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=catchment%20management" title="catchment management">catchment management</a>, <a href="https://publications.waset.org/abstracts/search?q=co-evolution" title=" co-evolution"> co-evolution</a>, <a href="https://publications.waset.org/abstracts/search?q=policy%20integration" title=" policy integration"> policy integration</a>, <a href="https://publications.waset.org/abstracts/search?q=phase" title=" phase"> phase</a> </p> <a href="https://publications.waset.org/abstracts/101538/rules-in-policy-integration-case-study-victoria-catchment-management" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/101538.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">465</span> Performance of the Cmip5 Models in Simulation of the Present and Future Precipitation over the Lake Victoria Basin</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20A.%20Wanzala">M. A. Wanzala</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20A.%20Ogallo"> L. A. Ogallo</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20J.%20Opijah"> F. J. Opijah</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20N.%20Mutemi"> J. N. Mutemi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The usefulness and limitations in climate information are due to uncertainty inherent in the climate system. For any given region to have sustainable development it is important to apply climate information into its socio-economic strategic plans. The overall objective of the study was to assess the performance of the Coupled Model Inter-comparison Project (CMIP5) over the Lake Victoria Basin. The datasets used included the observed point station data, gridded rainfall data from Climate Research Unit (CRU) and hindcast data from eight CMIP5. The methodology included trend analysis, spatial analysis, correlation analysis, Principal Component Analysis (PCA) regression analysis, and categorical statistical skill score. Analysis of the trends in the observed rainfall records indicated an increase in rainfall variability both in space and time for all the seasons. The spatial patterns of the individual models output from the models of MPI, MIROC, EC-EARTH and CNRM were closest to the observed rainfall patterns. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=categorical%20statistics" title="categorical statistics">categorical statistics</a>, <a href="https://publications.waset.org/abstracts/search?q=coupled%20model%20inter-comparison%20project" title=" coupled model inter-comparison project"> coupled model inter-comparison project</a>, <a href="https://publications.waset.org/abstracts/search?q=principal%20component%20analysis" title=" principal component analysis"> principal component analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=statistical%20downscaling" title=" statistical downscaling"> statistical downscaling</a> </p> <a href="https://publications.waset.org/abstracts/44487/performance-of-the-cmip5-models-in-simulation-of-the-present-and-future-precipitation-over-the-lake-victoria-basin" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44487.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">368</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">464</span> Working Capital Management Practices in Small Businesses in Victoria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ranjith%20Ihalanayake">Ranjith Ihalanayake</a>, <a href="https://publications.waset.org/abstracts/search?q=Lalith%20Seelanatha"> Lalith Seelanatha</a>, <a href="https://publications.waset.org/abstracts/search?q=John%20Breen"> John Breen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, we explored the current working capital management practices as applied in small businesses in Victoria, filling an existing theoretical and empirical gap in literature in general and in Australia in particular. Amidst the current global competitive and dynamic environment, the short term insolvency of small businesses is very critical for the long run survival. A firm’s short-term insolvency is dependent on the availability of sufficient working capital for feeding day to day operational activities. Therefore, given the reliance for short-term funding by small businesses, it has been recognized that the efficient management of working capital is crucial in respect of the prosperity and survival of such firms. Against this background, this research was an attempt to understand the current working capital management strategies and practices used by the small scale businesses. To this end, we conducted an internet survey among 220 small businesses operating in Victoria, Australia. The survey results suggest that the majority of respondents are owner-manager (73%) and male (68%). Respondents participated in this survey mostly have a degree (46%). About a half of respondents are more than 50 years old. Most of respondents (64%) have business management experience more than ten years. Similarly, majority of them (63%) had experience in the area of their current business. Types of business of the respondents are: Private limited company (41%), sole proprietorship (37%), and partnership (15%). In addition, majority of the firms are service companies (63%), followed by retailed companies (25%), and manufacturing (17%). Size of companies of this survey varies, 32% of them have annual sales $100,000 or under, while 22% of them have revenue more than $1,000,000 every year. In regards to the total assets, majority of respondents (43%) have total assets $100,000 or less while 20% of respondents have total assets more than $1,000,000. In regards to WCMPs, results indicate that almost 70% of respondents mentioned that they are responsible for managing their business working capital. The survey shows that majority of respondents (65.5%) use their business experience to identify the level of investment in working capital, compared to 22% of respondents who seek advice from professionals. The other 10% of respondents, however, follow industry practice to identify the level of working capital. The survey also shows that more than a half of respondents maintain good liquidity financial position for their business by having accounts payable less than accounts receivable. This study finds that majority of small business companies in western area of Victoria have a WCM policy but only about 8 % of them have a formal policy. Majority of the businesses (52.7%) have an informal policy while 39.5% have no policy. Of those who have a policy, 44% described their working capital management policies as a compromise policy while 35% described their policy as a conservative policy. Only 6% of respondents apply aggressive policy. Overall the results indicate that the small businesses pay less attention into the management of working capital of their business despite its significance in the successful operation of the business. This approach may be adopted during favourable economic times. However, during relatively turbulent economic conditions, such an approach could lead to greater financial difficulties i.e. short-term financial insolvency. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=small%20business" title="small business">small business</a>, <a href="https://publications.waset.org/abstracts/search?q=working%20capital%20management" title=" working capital management"> working capital management</a>, <a href="https://publications.waset.org/abstracts/search?q=Australia" title=" Australia"> Australia</a>, <a href="https://publications.waset.org/abstracts/search?q=sufficient" title=" sufficient"> sufficient</a>, <a href="https://publications.waset.org/abstracts/search?q=financial%20insolvency" title=" financial insolvency"> financial insolvency</a> </p> <a href="https://publications.waset.org/abstracts/1955/working-capital-management-practices-in-small-businesses-in-victoria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1955.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">354</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">463</span> Evaluation of the Performance of ACTIFLO® Clarifier in the Treatment of Mining Wastewaters: Case Study of Costerfield Mining Operations, Victoria, Australia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Mohsen%20Samaei">Seyed Mohsen Samaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Shirley%20Gato-Trinidad"> Shirley Gato-Trinidad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A pre-treatment stage prior to reverse osmosis (RO) is very important to ensure the long-term performance of the RO membranes in any wastewater treatment using RO. This study aims to evaluate the application of the Actiflo<sup>®</sup> clarifier as part of a pre-treatment unit in mining operations. It involves performing analytical testing on RO feed water before and after installation of Actiflo<sup>®</sup> unit. Water samples prior to RO plant stage were obtained on different dates from Costerfield mining operations in Victoria, Australia. Tests were conducted in an independent laboratory to determine the concentration of various compounds in RO feed water before and after installation of Actiflo<sup>®</sup> unit during the entire evaluated period from December 2015 to June 2018. Water quality analysis shows that the quality of RO feed water has remarkably improved since installation of Actiflo<sup>®</sup> clarifier. Suspended solids (SS) and turbidity removal efficiencies has been improved by 91 and 85 percent respectively in pre-treatment system since the installation of Actiflo<sup>®</sup>. The Actiflo<sup>® </sup>clarifier proved to be a valuable part of pre-treatment system prior to RO. It has the potential to conveniently condition the mining wastewater prior to RO unit, and reduce the risk of RO physical failure and irreversible fouling. Consequently, reliable and durable operation of RO unit with minimum requirement for RO membrane replacement is expected with Actiflo<sup>®</sup> in use. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ACTIFLO%20%C2%AE%20clarifier" title="ACTIFLO ® clarifier">ACTIFLO ® clarifier</a>, <a href="https://publications.waset.org/abstracts/search?q=mining%20wastewater" title=" mining wastewater"> mining wastewater</a>, <a href="https://publications.waset.org/abstracts/search?q=reverse%20osmosis" title=" reverse osmosis"> reverse osmosis</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20treatment" title=" water treatment"> water treatment</a> </p> <a href="https://publications.waset.org/abstracts/96179/evaluation-of-the-performance-of-actiflo-clarifier-in-the-treatment-of-mining-wastewaters-case-study-of-costerfield-mining-operations-victoria-australia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/96179.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">193</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">462</span> State and Benefit: Delivering the First State of the Bays Report for Victoria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Scott%20Rawlings">Scott Rawlings</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Victoria’s first State of the Bays report is an historic baseline study of the health of Port Phillip Bay and Western Port. The report includes 50 assessments of 36 indicators across a broad array of topics from the nitrogen cycle and water quality to key marine species and habitats. This paper discusses the processes for determining and assessing the indicators and comments on future priorities identified to maintain and improve the health of these water ways. Victoria’s population is now at six million, and growing at a rate of over 100,000 people per year - the highest increase in Australia – and the population of greater Melbourne is over four million. Port Phillip Bay and Western Port are vital marine assets at the centre of this growth and will require adaptive strategies if they are to remain in good condition and continue to deliver environmental, economic and social benefits. In 2014, it was in recognition of these pressures that the incoming Victorian Government committed to reporting on the state of the bays every five years. The inaugural State of the Bays report was issued by the independent Victorian Commissioner for Environmental Sustainability. The report brought together what is known about both bays, based on existing research. It was a baseline on which future reports will build and, over time, include more of Victoria’s marine environment. Port Phillip Bay and Western Port generally demonstrate healthy systems. Specific threats linked to population growth are a significant pressure. Impacts are more significant where human activity is more intense and where nutrients are transported to the bays around the mouths of creeks and drainage systems. The transport of high loads of nutrients and pollutants to the bays from peak rainfall events is likely to increase with climate change – as will sea level rise. Marine pests are also a threat. More than 100 introduced marine species have become established in Port Phillip Bay and can compete with native species, alter habitat, reduce important fish stocks and potentially disrupt nitrogen cycling processes. This study confirmed that our data collection regime is better within the Marine Protected Areas of Port Phillip Bay than in other parts. The State of the Bays report is a positive and practical example of what can be achieved through collaboration and cooperation between environmental reporters, Government agencies, academic institutions, data custodians, and NGOs. The State of the Bays 2016 provides an important foundation by identifying knowledge gaps and research priorities for future studies and reports on the bays. It builds a strong evidence base to effectively manage the bays and support an adaptive management framework. The Report proposes a set of indicators for future reporting that will support a step-change in our approach to monitoring and managing the bays – a shift from reporting only on what we do know, to reporting on what we need to know. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=coastal%20science" title="coastal science">coastal science</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20science" title=" marine science"> marine science</a>, <a href="https://publications.waset.org/abstracts/search?q=Port%20Phillip%20Bay" title=" Port Phillip Bay"> Port Phillip Bay</a>, <a href="https://publications.waset.org/abstracts/search?q=state%20of%20the%20environment" title=" state of the environment"> state of the environment</a>, <a href="https://publications.waset.org/abstracts/search?q=Western%20Port" title=" Western Port"> Western Port</a> </p> <a href="https://publications.waset.org/abstracts/75326/state-and-benefit-delivering-the-first-state-of-the-bays-report-for-victoria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75326.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">210</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">461</span> Effects of Soaking of Maize on the Viscosity of Masa and Tortilla Physical Properties at Different Nixtamalization Times</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Mart%C3%ADnez-Rodr%C3%ADguez">Jorge Martínez-Rodríguez</a>, <a href="https://publications.waset.org/abstracts/search?q=Esther%20P%C3%A9rez-Carrillo"> Esther Pérez-Carrillo</a>, <a href="https://publications.waset.org/abstracts/search?q=Diana%20Laura%20Anchondo%20%C3%81lvarez"> Diana Laura Anchondo Álvarez</a>, <a href="https://publications.waset.org/abstracts/search?q=Julia%20Luc%C3%ADa%20Leal%20Villarreal"> Julia Lucía Leal Villarreal</a>, <a href="https://publications.waset.org/abstracts/search?q=Mariana%20Ju%C3%A1rez%20Dominguez"> Mariana Juárez Dominguez</a>, <a href="https://publications.waset.org/abstracts/search?q=Luisa%20Fernanda%20Torres%20Hern%C3%A1ndez"> Luisa Fernanda Torres Hernández</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniela%20Salinas%20Morales"> Daniela Salinas Morales</a>, <a href="https://publications.waset.org/abstracts/search?q=Erick%20Heredia-Olea"> Erick Heredia-Olea</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Maize tortillas are a staple food in Mexico which are mostly made by nixtamalization, which includes the cooking and steeping of maize kernels in alkaline conditions. The cooking step in nixtamalization demands a lot of energy and also generates nejayote, a water pollutant, at the end of the process. The aim of this study was to reduce the cooking time by adding a maize soaking step before nixtamalization while maintaining the quality properties of masa and tortillas. Maize kernels were soaked for 36 h to increase moisture up to 36%. Then, the effect of different cooking times (0, 5, 10, 15, 20, 20, 25, 30, 35, 45-control and 50 minutes) was evaluated on viscosity profile (RVA) of masa to select the treatments with a profile similar or equal to control. All treatments were left steeping overnight and had the same milling conditions. Treatments selected were 20- and 25-min cooking times which had similar values for pasting temperature (79.23°C and 80.23°C), Maximum Viscosity (105.88 Cp and 96.25 Cp) and Final Viscosity (188.5 Cp and 174 Cp) to those of 45 min-control (77.65 °C, 110.08 Cp, and 186.70 Cp, respectively). Afterward, tortillas were produced with the chosen treatments (20 and 25 min) and for control, then were analyzed for texture, damage starch, colorimetry, thickness, and average diameter. Colorimetric analysis of tortillas only showed significant differences for yellow/blue coordinates (b* parameter) at 20 min (0.885), unlike the 25-minute treatment (1.122). Luminosity (L*) and red/green coordinates (a*) showed no significant differences from treatments with respect control (69.912 and 1.072, respectively); however, 25 minutes was closer in both parameters (73.390 and 1.122) than 20 minutes (74.08 and 0.884). For the color difference, (E), the 25 min value (3.84) was the most similar to the control. However, for tortilla thickness and diameter, the 20-minute with 1.57 mm and 13.12 cm respectively was closer to those of the control (1.69 mm and 13.86 cm) although smaller to it. On the other hand, the 25 min treatment tortilla was smaller than both 20 min and control with 1.51 mm thickness and 13.590 cm diameter. According to texture analyses, there was no difference in terms of stretchability (8.803-10.308 gf) and distance for the break (95.70-126.46 mm) among all treatments. However, for the breaking point, all treatments (317.1 gf and 276.5 gf for 25 and 20- min treatment, respectively) were significantly different from the control tortilla (392.2 gf). Results suggest that by adding a soaking step and reducing cooking time by 25 minutes, masa and tortillas obtained had similar functional and textural properties to the traditional nixtamalization process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tortilla" title="tortilla">tortilla</a>, <a href="https://publications.waset.org/abstracts/search?q=nixtamalization" title=" nixtamalization"> nixtamalization</a>, <a href="https://publications.waset.org/abstracts/search?q=corn" title=" corn"> corn</a>, <a href="https://publications.waset.org/abstracts/search?q=lime%20cooking" title=" lime cooking"> lime cooking</a>, <a href="https://publications.waset.org/abstracts/search?q=RVA" title=" RVA"> RVA</a>, <a href="https://publications.waset.org/abstracts/search?q=colorimetry" title=" colorimetry"> colorimetry</a>, <a href="https://publications.waset.org/abstracts/search?q=texture" title=" texture"> texture</a>, <a href="https://publications.waset.org/abstracts/search?q=masa%20rheology" title=" masa rheology"> masa rheology</a> </p> <a href="https://publications.waset.org/abstracts/146878/effects-of-soaking-of-maize-on-the-viscosity-of-masa-and-tortilla-physical-properties-at-different-nixtamalization-times" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/146878.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">176</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">460</span> Mg AZ31B Alloy Processed through ECASD</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=P.%20Fern%C3%A1ndez-Morales">P. Fernández-Morales</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Pel%C3%A1ez"> D. Peláez</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Isaza"> C. Isaza</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20M.%20Meza"> J. M. Meza</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Mendoza"> E. Mendoza</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mg AZ31B alloy sheets were processed through equal-channel angular sheet drawing (ECASD) process, following the route A and C at room temperature and varying the processing speed. SEM was used to analyze the microstructure. The grain size was refined and presence of twins was observed. Vickers microhardness and tensile testing were carried out to evaluate the mechanical properties, showing in general; a remarkable increase in the first pass and slight increases during subsequent passes and, that the route C produces better uniform properties distribution through the thickness of the samples. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ECASD" title="ECASD">ECASD</a>, <a href="https://publications.waset.org/abstracts/search?q=Mg%20Alloy" title=" Mg Alloy"> Mg Alloy</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20properties" title=" mechanical properties"> mechanical properties</a>, <a href="https://publications.waset.org/abstracts/search?q=microstructure" title=" microstructure"> microstructure</a> </p> <a href="https://publications.waset.org/abstracts/45662/mg-az31b-alloy-processed-through-ecasd" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45662.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">363</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">459</span> Initiating Learning to Know among Fishers for Sustainable Fishery on Lake Victoria. A Case of Kigungu Fishing Ground Wakiso District</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Namubiru%20Zula">Namubiru Zula</a>, <a href="https://publications.waset.org/abstracts/search?q=Aganyira%20Kelle"> Aganyira Kelle</a>, <a href="https://publications.waset.org/abstracts/search?q=Van%20der%20Linden%20Josje"> Van der Linden Josje</a>, <a href="https://publications.waset.org/abstracts/search?q=Openjuru%20George%20Laadah"> Openjuru George Laadah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Learning to know is a key principle to lifelong learning, with self-direction as the cornerstone. This study sought to initiate self-direction for lifelong learning through social constructivism among fishers; with the major goal of creating a community of fishers who continuously learn from each other for sustainable fishing. Government of Uganda has instituted several mechanisms like co-management with Beach Management Unit (BMU) System against illegal fishing. However, illegal fishing persists, there is reduced fish stocks with several outcry on how fishers are handled. Some studies have indicated that it’s the poor orientation of BMU leaders and fishers which are top down. This initial engagement of fishers was conducted through a meeting and use of stake holder’s analysis tool to discuss the relevance of the study; harnessing fishers’ knowledge for sustainable fisheries on Lake Victoria, its objectives, the key stake holders to enable them fish sustainably. It revealed initial attempt to learn from each other and learning to know among fishers, with some elements of self-direction. However, fishers attempt to learning and self-direction are affected by prior brutal enforcement experiences. This meeting led to fishers gain some sense of hope towards enforcement brutality. The key stakeholders highlighted include MAAIF, FAO, UNBS, NaFIRRI, LVFO, BMU, UFPEA, Fishers m employers, Fisheries Protection Unit, GIZ, and any Non-Government organization but declined the Association of Fisheries and Lake Users in Uganda. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=self%20direction" title="self direction">self direction</a>, <a href="https://publications.waset.org/abstracts/search?q=lifelong%20learning" title=" lifelong learning"> lifelong learning</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20constructivism" title=" social constructivism"> social constructivism</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20fishing" title=" sustainable fishing"> sustainable fishing</a> </p> <a href="https://publications.waset.org/abstracts/164141/initiating-learning-to-know-among-fishers-for-sustainable-fishery-on-lake-victoria-a-case-of-kigungu-fishing-ground-wakiso-district" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/164141.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">85</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">458</span> The Development Stages of Transformation of Water Policy Management in Victoria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ratri%20Werdiningtyas">Ratri Werdiningtyas</a>, <a href="https://publications.waset.org/abstracts/search?q=Yongping%20Wei"> Yongping Wei</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrew%20Western"> Andrew Western</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The status quo of social-ecological systems is the results of not only natural processes but also the accumulated consequence of policies applied in the past. Often water management objectives are challenging and are only achieved to a limited degree on the ground. In choosing water management approaches, it is important to account for current conditions and important differences due to varied histories. Since the mid-nineteenth century, Victorian water management has evolved through a series of policy regime shifts. The main goal of this research to explore and identify the stages of the evolution of the water policy instruments as practiced in Victoria from 1890-2016. This comparative historical analysis has identified four stages in Victorian policy instrument development. In the first stage, the creation of policy instruments aimed to match the demand and supply of the resource (reserve condition). The second stage begins after natural system alone failed to balance supply and demand. The focus of the policy instrument shifted to an authority perspective in this stage. Later, the increasing number of actors interested in water led to another change in policy instrument. The third stage focused on the significant role of information from different relevant actors. The fourth and current stage is the most advanced, in that it involved the creation of a policy instrument for synergizing the previous three focal factors: reserve, authority, and information. When considering policy in other jurisdiction, these findings suggest that a key priority should be to reflect on the jurisdictions current position among these four evolutionary stages and try to make improve progressively rather than directly adopting approaches from elsewhere without understanding the current position. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=policy%20instrument" title="policy instrument">policy instrument</a>, <a href="https://publications.waset.org/abstracts/search?q=policy%20transformation" title=" policy transformation"> policy transformation</a>, <a href="https://publications.waset.org/abstracts/search?q=socio-ecolgical%20system" title=" socio-ecolgical system"> socio-ecolgical system</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20management" title=" water management"> water management</a> </p> <a href="https://publications.waset.org/abstracts/98337/the-development-stages-of-transformation-of-water-policy-management-in-victoria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/98337.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">145</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">457</span> Optimization of Radiation Therapy with a Nanotechnology Based Enzymatic Therapy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20D.%20Esposito">R. D. Esposito</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20M.%20Barber%C3%A1"> V. M. Barberá</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Garc%C3%ADa%20Morales"> P. García Morales</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Dorado%20Rodr%C3%ADguez"> P. Dorado Rodríguez</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Sanz"> J. Sanz</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Fuentes"> M. Fuentes</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Planes%20Meseguer"> D. Planes Meseguer</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Saceda"> M. Saceda</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Fern%C3%A1ndez%20Fornos"> L. Fernández Fornos</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20P.%20Ventero"> M. P. Ventero</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Results obtained by our group on glioblastoma multiforme (GBM) primary cultures , show a dramatic potentiation of radiation effects when 2 units/ml of D-amino acid oxidase (DAO) enzyme are added, free or immobilized in magnetic nanoparticles, to irradiated samples just after the irradiation. Cell cultures were exposed to radiation doses of 7Gy and 15Gy of 6 MV photons from a clinical linear accelerator. At both doses, we observed a clear enhancing effect of radiation-induced damages due to the addition of DAO. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=D-amino%20Acid%20Oxidase%20%28DAO%29%20enzyme" title="D-amino Acid Oxidase (DAO) enzyme">D-amino Acid Oxidase (DAO) enzyme</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20particles" title=" magnetic particles"> magnetic particles</a>, <a href="https://publications.waset.org/abstracts/search?q=nanotechnology" title=" nanotechnology"> nanotechnology</a>, <a href="https://publications.waset.org/abstracts/search?q=radiation%20therapy%20enhancement" title=" radiation therapy enhancement"> radiation therapy enhancement</a> </p> <a href="https://publications.waset.org/abstracts/29814/optimization-of-radiation-therapy-with-a-nanotechnology-based-enzymatic-therapy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29814.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">523</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">456</span> Ecological impacts of Cage Farming: A Case Study of Lake Victoria, Kenya</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mercy%20Chepkirui">Mercy Chepkirui</a>, <a href="https://publications.waset.org/abstracts/search?q=Reuben%20Omondi"> Reuben Omondi</a>, <a href="https://publications.waset.org/abstracts/search?q=Paul%20Orina"> Paul Orina</a>, <a href="https://publications.waset.org/abstracts/search?q=Albert%20Getabu"> Albert Getabu</a>, <a href="https://publications.waset.org/abstracts/search?q=Lewis%20Sitoki"> Lewis Sitoki</a>, <a href="https://publications.waset.org/abstracts/search?q=Jonathan%20Munguti"> Jonathan Munguti</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Globally, the decline in capture fisheries as a result of the growing population and increasing awareness of the nutritional benefits of white meat has led to the development of aquaculture. This is anticipated to meet the increasing call for more food for the human population, which is likely to increase further by 2050. Statistics showed that more than 50% of the global future fish diet will come from aquaculture. Aquaculture began commercializing some decades ago; this is accredited to technological advancement from traditional to modern cultural systems, including cage farming. Cage farming technology has been rapidly growing since its inception in Lake Victoria, Kenya. Currently, over 6,000 cages have been set up in Kenyan waters, and this offers an excellent opportunity for recognition of Kenya’s government tactic to eliminate food insecurity and malnutrition, create employment and promote a Blue Economy. However, being an open farming enterprise is likely to emit large bulk of waste hence altering the ecosystem integrity of the lake. This is through increased chlorophyll-a pigments, alteration of the plankton community, macroinvertebrates, fish genetic pollution, transmission of fish diseases and pathogens. Cage farming further increases the nutrient loads leading to the production of harmful algal blooms, thus negatively affecting aquatic and human life. Despite the ecological transformation, cage farming provides a platform for the achievement of the Sustainable Development Goals of 2030, especially the achievement of food security and nutrition. Therefore, there is a need for Integrated Multitrophic Aquaculture as part of Blue Transformation for ecosystem monitoring. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aquaculture" title="aquaculture">aquaculture</a>, <a href="https://publications.waset.org/abstracts/search?q=ecosystem" title=" ecosystem"> ecosystem</a>, <a href="https://publications.waset.org/abstracts/search?q=blue%20economy" title=" blue economy"> blue economy</a>, <a href="https://publications.waset.org/abstracts/search?q=food%20security" title=" food security"> food security</a> </p> <a href="https://publications.waset.org/abstracts/168046/ecological-impacts-of-cage-farming-a-case-study-of-lake-victoria-kenya" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168046.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">78</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">455</span> Turbulent Flow in Corrugated Pipes with Helical Grooves</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=P.%20Mendes">P. Mendes</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Stel"> H. Stel</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20E.%20M.%20Morales"> R. E. M. Morales</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article presents a numerical and experimental study of turbulent flow in corrugated pipes with helically “d-type" grooves, for Reynolds numbers between 7500 and 100,000. The ANSYS-CFX software is used to solve the RANS equations with the BSL two equation turbulence model, through the element-based finite-volume method approach. Different groove widths and helix angles are considered. Numerical results are validated with experimental pressure drop measurements for the friction factor. A correlation for the friction factor is also proposed considering the geometric parameters and Reynolds numbers evaluated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=turbulent%20flow" title="turbulent flow">turbulent flow</a>, <a href="https://publications.waset.org/abstracts/search?q=corrugated%20pipe" title=" corrugated pipe"> corrugated pipe</a>, <a href="https://publications.waset.org/abstracts/search?q=helical" title=" helical"> helical</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical" title=" numerical"> numerical</a>, <a href="https://publications.waset.org/abstracts/search?q=experimental" title=" experimental"> experimental</a>, <a href="https://publications.waset.org/abstracts/search?q=friction%20factor" title=" friction factor"> friction factor</a>, <a href="https://publications.waset.org/abstracts/search?q=correlation" title=" correlation"> correlation</a> </p> <a href="https://publications.waset.org/abstracts/17407/turbulent-flow-in-corrugated-pipes-with-helical-grooves" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17407.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">482</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">454</span> Computational Approach to the Interaction of Neurotoxins and Kv1.3 Channel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Janneth%20Gonz%C3%A1lez">Janneth González</a>, <a href="https://publications.waset.org/abstracts/search?q=George%20Barreto"> George Barreto</a>, <a href="https://publications.waset.org/abstracts/search?q=Ludis%20Morales"> Ludis Morales</a>, <a href="https://publications.waset.org/abstracts/search?q=Ang%C3%A9lica%20Sabogal"> Angélica Sabogal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sea anemone neurotoxins are peptides that interact with Na+ and K+ channels, resulting in specific alterations on their functions. Some of these neurotoxins (1ROO, 1BGK, 2K9E, 1BEI) are important for the treatment of nearly eighty autoimmune disorders due to their specificity for Kv1.3 channel. The aim of this study was to identify the common residues among these neurotoxins by computational methods, and establish whether there is a pattern useful for the future generation of a treatment for autoimmune diseases. Our results showed eight new key common residues between the studied neurotoxins interacting with a histidine ring and the selectivity filter of the receptor, thus showing a possible pattern of interaction. This knowledge may serve as an input for the design of more promising drugs for autoimmune treatments. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=neurotoxins" title="neurotoxins">neurotoxins</a>, <a href="https://publications.waset.org/abstracts/search?q=potassium%20channel" title=" potassium channel"> potassium channel</a>, <a href="https://publications.waset.org/abstracts/search?q=Kv1.3" title=" Kv1.3"> Kv1.3</a>, <a href="https://publications.waset.org/abstracts/search?q=computational%20methods" title=" computational methods"> computational methods</a>, <a href="https://publications.waset.org/abstracts/search?q=autoimmune%20diseases" title=" autoimmune diseases"> autoimmune diseases</a> </p> <a href="https://publications.waset.org/abstracts/8452/computational-approach-to-the-interaction-of-neurotoxins-and-kv13-channel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8452.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">374</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">453</span> Efficacy of the Use of Different Teaching Approaches of Math Teachers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nilda%20San%20Miguel">Nilda San Miguel</a>, <a href="https://publications.waset.org/abstracts/search?q=Elymar%20Pascual"> Elymar Pascual</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main focus of this study is exploring the effective approaches in teaching Mathematics that is being applied in public schools, s.y. 2018-2019. This research was written as connected output to the district-wide School Learning Action Cell (DISLAC) on Math teaching approaches which was recently conducted in Victoria, Laguna. Fifty-four math teachers coming from 17 schools in Victoria became the respondents of this study. Qualitative method of doing research was applied. Teachers’ responses to the following concerns were gathered, analyzed and interpreted: (1) evaluation of the recently conducted DISLAC, (2) status of the use of different approaches, (3) perception on the effective use of approaches, (4) preference of approach to explore in classroom sessions, (5) factors affecting the choice of approach, (6) difficulties encountered, (7) and perceived benefit to learners. Results showed that the conduct of DISLAC was very highly satisfactory (mean 4.41). Teachers looked at collaborative approach as very highly effective (mean 4.74). Fifty-two percent of the teachers is using collaborative approach, 17% constructivist, 11% integrative, 11% inquiry-based, and 9% reflective. Reflective approach was chosen to be explored by most of the respondents (29%) in future sessions. The difficulties encountered by teachers in using the different approaches are: (1) learners’ difficulty in following instructions, (2) lack of focus, (3) lack of willingness and cooperation, (4) teachers’ lack of mastery in using different approaches, and (5) lack of time of doing visual aids because of time mismanagement. Teachers deemed the use of various teaching approaches can help the learners to have (1) mastery of competency, (2) increased communication, (3) improved confidence, (4) facility in comprehension, and (5) better academic output. The result obtained from this study can be used as an input for SLACs. Recommendations at the end of the study were given to school/district heads and future researchers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=approaches" title="approaches">approaches</a>, <a href="https://publications.waset.org/abstracts/search?q=collaborative" title=" collaborative"> collaborative</a>, <a href="https://publications.waset.org/abstracts/search?q=constructivism" title=" constructivism"> constructivism</a>, <a href="https://publications.waset.org/abstracts/search?q=inquiry-based" title=" inquiry-based"> inquiry-based</a>, <a href="https://publications.waset.org/abstracts/search?q=integrative" title=" integrative"> integrative</a>, <a href="https://publications.waset.org/abstracts/search?q=reflective" title=" reflective"> reflective</a> </p> <a href="https://publications.waset.org/abstracts/127157/efficacy-of-the-use-of-different-teaching-approaches-of-math-teachers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/127157.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">278</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">452</span> Principal Component Analysis Applied to the Electric Power Systems – Practical Guide; Practical Guide for Algorithms</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=John%20Morales">John Morales</a>, <a href="https://publications.waset.org/abstracts/search?q=Eduardo%20Ordu%C3%B1a"> Eduardo Orduña</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Currently the Principal Component Analysis (PCA) theory has been used to develop algorithms regarding to Electric Power Systems (EPS). In this context, this paper presents a practical tutorial of this technique detailed their concept, on-line and off-line mathematical foundations, which are necessary and desirables in EPS algorithms. Thus, features of their eigenvectors which are very useful to real-time process are explained, showing how it is possible to select these parameters through a direct optimization. On the other hand, in this work in order to show the application of PCA to off-line and on-line signals, an example step to step using Matlab commands is presented. Finally, a list of different approaches using PCA is presented, and some works which could be analyzed using this tutorial are presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=practical%20guide%3B%20on-line%3B%20off-line" title="practical guide; on-line; off-line">practical guide; on-line; off-line</a>, <a href="https://publications.waset.org/abstracts/search?q=algorithms" title=" algorithms"> algorithms</a>, <a href="https://publications.waset.org/abstracts/search?q=faults" title=" faults"> faults</a> </p> <a href="https://publications.waset.org/abstracts/34859/principal-component-analysis-applied-to-the-electric-power-systems-practical-guide-practical-guide-for-algorithms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34859.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">563</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">451</span> Spatial Variation of WRF Model Rainfall Prediction over Uganda</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Isaac%20Mugume">Isaac Mugume</a>, <a href="https://publications.waset.org/abstracts/search?q=Charles%20Basalirwa"> Charles Basalirwa</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Waiswa"> Daniel Waiswa</a>, <a href="https://publications.waset.org/abstracts/search?q=Triphonia%20Ngailo"> Triphonia Ngailo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Rainfall is a major climatic parameter affecting many sectors such as health, agriculture and water resources. Its quantitative prediction remains a challenge to weather forecasters although numerical weather prediction models are increasingly being used for rainfall prediction. The performance of six convective parameterization schemes, namely the Kain-Fritsch scheme, the Betts-Miller-Janjic scheme, the Grell-Deveny scheme, the Grell-3D scheme, the Grell-Fretas scheme, the New Tiedke scheme of the weather research and forecast (WRF) model regarding quantitative rainfall prediction over Uganda is investigated using the root mean square error for the March-May (MAM) 2013 season. The MAM 2013 seasonal rainfall amount ranged from 200 mm to 900 mm over Uganda with northern region receiving comparatively lower rainfall amount (200–500 mm); western Uganda (270–550 mm); eastern Uganda (400–900 mm) and the lake Victoria basin (400–650 mm). A spatial variation in simulated rainfall amount by different convective parameterization schemes was noted with the Kain-Fritsch scheme over estimating the rainfall amount over northern Uganda (300–750 mm) but also presented comparable rainfall amounts over the eastern Uganda (400–900 mm). The Betts-Miller-Janjic, the Grell-Deveny, and the Grell-3D underestimated the rainfall amount over most parts of the country especially the eastern region (300–600 mm). The Grell-Fretas captured rainfall amount over the northern region (250–450 mm) but also underestimated rainfall over the lake Victoria Basin (150–300 mm) while the New Tiedke generally underestimated rainfall amount over many areas of Uganda. For deterministic rainfall prediction, the Grell-Fretas is recommended for rainfall prediction over northern Uganda while the Kain-Fritsch scheme is recommended over eastern region. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=convective%20parameterization%20schemes" title="convective parameterization schemes">convective parameterization schemes</a>, <a href="https://publications.waset.org/abstracts/search?q=March-May%202013%20rainfall%20season" title=" March-May 2013 rainfall season"> March-May 2013 rainfall season</a>, <a href="https://publications.waset.org/abstracts/search?q=spatial%20variation%20of%20parameterization%20schemes%20over%20Uganda" title=" spatial variation of parameterization schemes over Uganda"> spatial variation of parameterization schemes over Uganda</a>, <a href="https://publications.waset.org/abstracts/search?q=WRF%20model" title=" WRF model"> WRF model</a> </p> <a href="https://publications.waset.org/abstracts/69722/spatial-variation-of-wrf-model-rainfall-prediction-over-uganda" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/69722.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">450</span> Schrödinger Equation with Position-Dependent Mass: Staggered Mass Distributions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J.%20J.%20Pe%C3%B1a">J. J. Peña</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Morales"> J. Morales</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Garc%C3%ADa-Ravelo"> J. García-Ravelo</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Arcos-D%C3%ADaz"> L. Arcos-Díaz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Point canonical transformation method is applied for solving the Schrödinger equation with position-dependent mass. This class of problem has been solved for continuous mass distributions. In this work, a staggered mass distribution for the case of a free particle in an infinite square well potential has been proposed. The continuity conditions as well as normalization for the wave function are also considered. The proposal can be used for dealing with other kind of staggered mass distributions in the Schrödinger equation with different quantum potentials. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=free%20particle" title="free particle">free particle</a>, <a href="https://publications.waset.org/abstracts/search?q=point%20canonical%20transformation%20method" title=" point canonical transformation method"> point canonical transformation method</a>, <a href="https://publications.waset.org/abstracts/search?q=position-dependent%20mass" title=" position-dependent mass"> position-dependent mass</a>, <a href="https://publications.waset.org/abstracts/search?q=staggered%20mass%20distribution" title=" staggered mass distribution"> staggered mass distribution</a> </p> <a href="https://publications.waset.org/abstracts/71082/schrodinger-equation-with-position-dependent-mass-staggered-mass-distributions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/71082.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">403</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">449</span> Survey of Potato Viral Infection Using Das-Elisa Method in Georgia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maia%20Kukhaleishvili">Maia Kukhaleishvili</a>, <a href="https://publications.waset.org/abstracts/search?q=Ekaterine%20Bulauri"> Ekaterine Bulauri</a>, <a href="https://publications.waset.org/abstracts/search?q=Iveta%20Megrelishvili"> Iveta Megrelishvili</a>, <a href="https://publications.waset.org/abstracts/search?q=Tamar%20Shamatava"> Tamar Shamatava</a>, <a href="https://publications.waset.org/abstracts/search?q=Tamar%20Chipashvili"> Tamar Chipashvili</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Plant viruses can cause loss of yield and quality in a lot of important crops. Symptoms of pathogens are variable depending on the cultivars and virus strain. Selection of resistant potato varieties would reduce the risk of virus transmission and significant economic impact. Other way to avoid reduced harvest yields is regular potato seed production sampling and testing for viral infection. The aim of this study was to determine the occurrence and distribution of viral diseases according potato cultivars for further selection of virus-free material in Georgia. During the summer 2015- 2016, 5 potato cultivars (Sante, Laura, Jelly, Red Sonia, Anushka) at 5 different farms located in Akhalkalaki were tested for 6 different potato viruses: Potato virus A (PVA), Potato virus M (PVM), Potato virus S (PVS), Potato virus X (PVX), Potato virus Y (PVY) and potato leaf roll virus (PLRV). A serological method, Double Antibody Sandwich-Enzyme linked Immunosorbent Assay (DASELISA) was used at the laboratory to analyze the results. The result showed that PVY (21.4%) and PLRV (19.7%) virus presence in collected samples was relatively high compared to others. Researched potato cultivars except Jelly and Laura were infected by PVY with different concentrations. PLRV was found only in three potato cultivars (Sante, Jelly, Red Sonia) and PVM virus (3.12%) was characterized with low prevalence. PVX, PVA and PVS virus infection was not reported. It would be noted that 7.9% of samples were containing PVY/PLRV mix infection. Based on the results it can be concluded that PVY and PLRV infections are dominant in all research cultivars. Therefore significant yield losses are expected. Systematic, long-term control of potato viral infection, especially seed-potatoes, must be regarded as the most important factor to increase seed productivity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=virus" title="virus">virus</a>, <a href="https://publications.waset.org/abstracts/search?q=potato" title=" potato"> potato</a>, <a href="https://publications.waset.org/abstracts/search?q=infection" title=" infection"> infection</a>, <a href="https://publications.waset.org/abstracts/search?q=diseases" title=" diseases"> diseases</a> </p> <a href="https://publications.waset.org/abstracts/100087/survey-of-potato-viral-infection-using-das-elisa-method-in-georgia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/100087.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">290</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">448</span> Reducing Diagnostic Error in Australian Emergency Departments Using a Behavioural Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Breanna%20Wright">Breanna Wright</a>, <a href="https://publications.waset.org/abstracts/search?q=Peter%20Bragge"> Peter Bragge</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Diagnostic error rates in healthcare are approximately 10% of cases. Diagnostic errors can cause patient harm due to inappropriate, inadequate or delayed treatment, and such errors contribute heavily to medical liability claims globally. Therefore, addressing diagnostic error is a high priority. In most cases, diagnostic errors are the result of faulty information synthesis rather than lack of knowledge. Specifically, the majority of diagnostic errors involve cognitive factors, and in particular, cognitive biases. Emergency Departments are an environment with heightened risk of diagnostic error due to time and resource pressures, a frequently chaotic environment, and patients arriving undifferentiated and with minimal context. This project aimed to develop a behavioural, evidence-informed intervention to reduce diagnostic error in Emergency Departments through co-design with emergency physicians, insurers, researchers, hospital managers, citizens and consumer representatives. The Forum Process was utilised to address this aim. This involves convening a small (4 – 6 member) expert panel to guide a focused literature and practice review; convening of a 10 – 12 person citizens panel to gather perspectives of laypeople, including those affected by misdiagnoses; and a 18 – 22 person structured stakeholder dialogue bringing together representatives of the aforementioned stakeholder groups. The process not only provides in-depth analysis of the problem and associated behaviours, but brings together expertise and insight to facilitate identification of a behaviour change intervention. Informed by the literature and practice review, the Citizens Panel focused on eliciting the values and concerns of those affected or potentially affected by diagnostic error. Citizens were comfortable with diagnostic uncertainty if doctors were honest with them. They also emphasised the importance of open communication between doctors and patients and their families. Citizens expect more consistent standards across the state and better access for both patients and their doctors to patient health information to avoid time-consuming re-taking of long patient histories and medication regimes when re-presenting at Emergency Departments and to reduce the risk of unintentional omissions. The structured Stakeholder Dialogue focused on identifying a feasible behavioural intervention to review diagnoses in Emergency Departments. This needed to consider the role of cognitive bias in medical decision-making; contextual factors (in Victoria, there is a legislated 4-hour maximum time between ED triage and discharge / hospital admission); resource availability; and the need to ensure the intervention could work in large metropolitan as well as small rural and regional ED settings across Victoria. The identified behavioural intervention will be piloted in approximately ten hospital EDs across Victoria, Australia. This presentation will detail the findings of all review and consultation activities, describe the behavioural intervention developed and present results of the pilot trial. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=behavioural%20intervention" title="behavioural intervention">behavioural intervention</a>, <a href="https://publications.waset.org/abstracts/search?q=cognitive%20bias" title=" cognitive bias"> cognitive bias</a>, <a href="https://publications.waset.org/abstracts/search?q=decision-making" title=" decision-making"> decision-making</a>, <a href="https://publications.waset.org/abstracts/search?q=diagnostic%20error" title=" diagnostic error"> diagnostic error</a> </p> <a href="https://publications.waset.org/abstracts/84350/reducing-diagnostic-error-in-australian-emergency-departments-using-a-behavioural-approach" class="btn btn-primary btn-sm">Procedia</a> <a 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