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Despa</title> <meta name="description" content="Search results for: Mihai Liviu Despa"> <meta name="keywords" content="Mihai Liviu Despa"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none 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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="Mihai Liviu Despa"> <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> 33</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Mihai Liviu Despa</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">33</span> The Cost of Innovation in Software Development Projects</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mihai%20Liviu%20Despa">Mihai Liviu Despa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper tackles the topic of determining the cost of innovation in software development projects. Innovation can be achieved either in a planned or unplanned manner. The paper approaches the scenarios were innovation is planned for. As a starting point an innovative software development project is analyzed. The project is depicted step by step as it was implemented, from inception to delivery. Costs that are proprietary to innovation in software development are isolated based on the author’s personal experience in managing the above mentioned project. Innovation costs components identified by the author are then validated using open discussions with software development professionals and projects managers on LinkedIn groups. In order to receive relevant feedback only groups that focus on software development and innovation management are targeted. Additional innovation cost components suggested by software development professionals and projects managers are also considered. Based on the identified cost components an indicator is built. The indicator is meant to formalize the process of determining the cost of innovation in a software development project. The indicator aggregates all the innovation cost components that are identified in the research process. The process of calculating each cost component is also described. Conclusions are formulated and new related research topics are submitted for debate. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=innovation%20cost" title="innovation cost">innovation cost</a>, <a href="https://publications.waset.org/abstracts/search?q=IT%20project%20management" title=" IT project management"> IT project management</a>, <a href="https://publications.waset.org/abstracts/search?q=software%20development" title=" software development"> software development</a>, <a href="https://publications.waset.org/abstracts/search?q=innovation%20management" title=" innovation management "> innovation management </a> </p> <a href="https://publications.waset.org/abstracts/18141/the-cost-of-innovation-in-software-development-projects" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18141.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">460</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">32</span> Solution to Increase the Produced Power in Micro-Hydro Power Plant</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Radu%20Pop">Radu Pop</a>, <a href="https://publications.waset.org/abstracts/search?q=Adrian%20Bot"> Adrian Bot</a>, <a href="https://publications.waset.org/abstracts/search?q=Vasile%20Rednic"> Vasile Rednic</a>, <a href="https://publications.waset.org/abstracts/search?q=Emil%20Bruj"> Emil Bruj</a>, <a href="https://publications.waset.org/abstracts/search?q=Oana%20Raita"> Oana Raita</a>, <a href="https://publications.waset.org/abstracts/search?q=Liviu%20Vaida"> Liviu Vaida</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Our research presents a study concerning optimization of water flow capture for micro-hydro power plants in order to increase the energy production. It is known that the fish ladder whole, were the water is capture is fix, and the water flow may vary with the river flow, this means that on the fish ladder we will have different servitude flows, sometimes more than needed. We propose to demonstrate that the ‘winter intake’ from micro-hydro power plant, could be automated with an intelligent system which is capable to read some imposed data and adjust the flow in to the needed value. With this automation concept, we demonstrate that the performance of the micro-hydro power plant could increase, in some flow operating regimes, with approx. 10%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=energy" title="energy">energy</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-hydro" title=" micro-hydro"> micro-hydro</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20intake" title=" water intake"> water intake</a>, <a href="https://publications.waset.org/abstracts/search?q=fish%20ladder" title=" fish ladder"> fish ladder</a> </p> <a href="https://publications.waset.org/abstracts/89213/solution-to-increase-the-produced-power-in-micro-hydro-power-plant" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/89213.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">234</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">31</span> Integrating Human Preferences into the Automated Decisions of Unmanned Aerial Vehicles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arwa%20Khannoussi">Arwa Khannoussi</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexandru-Liviu%20Olteanu"> Alexandru-Liviu Olteanu</a>, <a href="https://publications.waset.org/abstracts/search?q=Pritesh%20Narayan"> Pritesh Narayan</a>, <a href="https://publications.waset.org/abstracts/search?q=Catherine%20Dezan"> Catherine Dezan</a>, <a href="https://publications.waset.org/abstracts/search?q=Jean-Philippe%20Diguet"> Jean-Philippe Diguet</a>, <a href="https://publications.waset.org/abstracts/search?q=Patrick%20Meyer"> Patrick Meyer</a>, <a href="https://publications.waset.org/abstracts/search?q=Jacques%20Petit-Frere"> Jacques Petit-Frere</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Due to the nature of autonomous Unmanned Aerial Vehicles (UAV) missions, it is important that the decisions of a UAV stay consistent with the priorities of an operator, while at the same time allowing them to be easily audited and explained. We propose a multi-layer decision engine that integrates the operator (human) preferences by using the Multi-Criteria Decision Aiding (MCDA) methods. A software implementation of a UAV simulator and of the decision engine is presented to highlight the advantage of using such techniques on high-level decisions. We demonstrate that, with such a preference-based decision engine, the decisions of the UAV are compatible with the priorities of the operator, which in turn increases her/his confidence in its autonomous behavior. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=autonomous%20UAV" title="autonomous UAV">autonomous UAV</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-criteria%20decision%20aiding" title=" multi-criteria decision aiding"> multi-criteria decision aiding</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-layers%20decision%20engine" title=" multi-layers decision engine"> multi-layers decision engine</a>, <a href="https://publications.waset.org/abstracts/search?q=operator%27s%20preferences" title=" operator's preferences"> operator's preferences</a>, <a href="https://publications.waset.org/abstracts/search?q=traceable%20decisions" title=" traceable decisions"> traceable decisions</a>, <a href="https://publications.waset.org/abstracts/search?q=UAV%20simulation" title=" UAV simulation"> UAV simulation</a> </p> <a href="https://publications.waset.org/abstracts/98229/integrating-human-preferences-into-the-automated-decisions-of-unmanned-aerial-vehicles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/98229.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">256</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">30</span> Social Responsibility and Environmental Issues Addressed by Businesses in Romania</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Daniela%20Gradinaru">Daniela Gradinaru</a>, <a href="https://publications.waset.org/abstracts/search?q=Iuliana%20Georgescu"> Iuliana Georgescu</a>, <a href="https://publications.waset.org/abstracts/search?q=Loredana%20Hutanu%20%28Toma%29"> Loredana Hutanu (Toma)</a>, <a href="https://publications.waset.org/abstracts/search?q=Mihai-Bogdan%20Afrasinei"> Mihai-Bogdan Afrasinei</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article aims to analyze the situation of Romanian companies from an environmental point of view. Environmental issues are addressed very often nowadays, and they reach and affect every domain, including the economical one. Implementing an environmental management system will not only help the companies to comply with laws and regulations, but, above all, will offer them an important competitive advantage. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=environmental%20management%20system" title="environmental management system">environmental management system</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20reporting" title=" environmental reporting"> environmental reporting</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20expenses" title=" environmental expenses"> environmental expenses</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20development" title=" sustainable development"> sustainable development</a> </p> <a href="https://publications.waset.org/abstracts/10767/social-responsibility-and-environmental-issues-addressed-by-businesses-in-romania" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10767.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">416</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">29</span> State of Freelancing in IT and Future Trends</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mihai%20Gheorghe">Mihai Gheorghe</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Freelancing in IT has seen an increased popularity during the last years mainly because of the fast Internet adoption in the countries with emerging economies, correlated with the continuous seek for reduced development costs as well with the rise of online platforms which address planning, coordination, and various development tasks. This paper conducts an overview of the most relevant Freelance Marketplaces available and studies the market structure, distribution of the workforce and trends in IT freelancing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=freelancing%20in%20IT" title="freelancing in IT">freelancing in IT</a>, <a href="https://publications.waset.org/abstracts/search?q=freelance%20marketplaces" title=" freelance marketplaces"> freelance marketplaces</a>, <a href="https://publications.waset.org/abstracts/search?q=freelance%20market%20structure" title=" freelance market structure"> freelance market structure</a>, <a href="https://publications.waset.org/abstracts/search?q=globalization" title=" globalization"> globalization</a>, <a href="https://publications.waset.org/abstracts/search?q=online%20staffing" title=" online staffing"> online staffing</a>, <a href="https://publications.waset.org/abstracts/search?q=trends%20in%20freelancing" title=" trends in freelancing"> trends in freelancing</a> </p> <a href="https://publications.waset.org/abstracts/30299/state-of-freelancing-in-it-and-future-trends" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30299.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">207</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">28</span> Effect of Xenobiotic Bioactive Compounds from Grape Waste on Inflammation and Oxidative Stress in Pigs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ionelia%20Taranu">Ionelia Taranu</a>, <a href="https://publications.waset.org/abstracts/search?q=Gina%20Cecilia%20Pistol"> Gina Cecilia Pistol</a>, <a href="https://publications.waset.org/abstracts/search?q=Mihai%20Alexandru%20Gras"> Mihai Alexandru Gras</a>, <a href="https://publications.waset.org/abstracts/search?q=Mihai%20Laurentiu%20Palade"> Mihai Laurentiu Palade</a>, <a href="https://publications.waset.org/abstracts/search?q=Mariana%20Stancu"> Mariana Stancu</a>, <a href="https://publications.waset.org/abstracts/search?q=Veronica%20Sanda%20Chedea"> Veronica Sanda Chedea</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the last decade bioactive compounds from grape waste are investigated as new therapeutic agents for the inhibition of carcinogenesis and other diseases. The objective of this study was to characterize several bioactive compounds (polyphenols and polyunsaturated fatty acids) of a dried grape pomace (GP) derived from a Romanian winery and further to evaluate their effect on inflammation and oxidative markers in liver of pig used as animal model. The total polyphenol concentration of pomace was 36.2g gallic acid equiv /100g. The pomace was rich in polyphenols from the flavonoids group, the main class being flavanols (epicatechins, catechin, epigallocatechin, procyanidins) and antocyanins (Malvidin 3-O-glucoside). The highest concentration was recorded for epicatechin (51.96g/100g) and procyanidin dimer (22.79g/100g). A high concentration of total polyunsaturated fatty acids (PUFA) especially ω-6 fatty acids (59.82 g/100g fat) was found in grape pomace. 20 crossbred TOPIG hybrid fattening pigs were randomly assigned (n = 10) to two experimental treatments: a normal diet (control group) and a diet included 5% grape pomace (GP group) for 24 days. The GP diet lowered the gene expression and protein concentration of IL-1β, IL-8, TNF-α and IFN-γ cytokines in liver suggesting an anti-inflammatory effect of GP diet. Concentration of hepatic TBARS also decreased, but the total antioxidant capacity (liver TEAC) and activity and gene expression of antioxidant enzymes (superoxide dismutase, catalase and glutathione peroxidase) did not differ between the GP and control diet. The results showed that GP diet exerted an anti-inflammatory effect, but the 5% dietary inclusion modulated only partially the oxidative stress. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=animal%20model" title="animal model">animal model</a>, <a href="https://publications.waset.org/abstracts/search?q=inflammation" title=" inflammation"> inflammation</a>, <a href="https://publications.waset.org/abstracts/search?q=grape%20waste" title=" grape waste"> grape waste</a>, <a href="https://publications.waset.org/abstracts/search?q=immune%20organs" title=" immune organs"> immune organs</a> </p> <a href="https://publications.waset.org/abstracts/68317/effect-of-xenobiotic-bioactive-compounds-from-grape-waste-on-inflammation-and-oxidative-stress-in-pigs" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/68317.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">339</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">27</span> Practice of Supply Chain Management in Local SMEs</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Oualid%20Kherbach">Oualid Kherbach</a>, <a href="https://publications.waset.org/abstracts/search?q=Marian%20Liviu%20Mocan"> Marian Liviu Mocan</a>, <a href="https://publications.waset.org/abstracts/search?q=Amine%20Ghoumrassi"> Amine Ghoumrassi</a>, <a href="https://publications.waset.org/abstracts/search?q=Cristian%20Dumitrache"> Cristian Dumitrache</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Globalization system and the development of economy, e-business, and introduction of new technologies formation create new challenges to all organizations particularly for small and medium enterprises (SMEs). Many studies on supply chain management (SCM) focus on large companies with universal operations employing high-stage information technology. These make a gap in the knowing of how SMEs use and practice supply chain management. In this screenplay, successful practices of supply chain management (SCM) can give SMEs an edge over their competitors. However, SMEs in Romania and Balkan countries face problems in SCM implementation and practices due to lack of resources and direction. The objectives of this research highlight the supply chain management practices of the small and medium enterprise strip in Romania and understand how SMEs manage and use SCM. This study Checks the potential existence of systematic differences between small businesses and medium-sized businesses with regard to supply chain management practices and the application of supply management has contributed to the improvement performance and increase the profitability of companies such as increasing the market share and improving the level of clients. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=globalization" title="globalization">globalization</a>, <a href="https://publications.waset.org/abstracts/search?q=small%20and%20medium%20enterprises" title=" small and medium enterprises"> small and medium enterprises</a>, <a href="https://publications.waset.org/abstracts/search?q=supply%20chain%20management" title=" supply chain management"> supply chain management</a>, <a href="https://publications.waset.org/abstracts/search?q=practices" title=" practices"> practices</a> </p> <a href="https://publications.waset.org/abstracts/43582/practice-of-supply-chain-management-in-local-smes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43582.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">369</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">26</span> Power Plants between Environmental Pollution and Eco-Sustainable Recycling of Industrial Wastes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Liliana%20Cr%C4%83c">Liliana Crăc</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolae%20Giorgi"> Nicolae Giorgi</a>, <a href="https://publications.waset.org/abstracts/search?q=Gheorghe%20Fometescu"> Gheorghe Fometescu</a>, <a href="https://publications.waset.org/abstracts/search?q=Mihai%20Cruceru"> Mihai Cruceru</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Power plants represent the main source of air pollution, through combustion processes, both by releasing large amounts of dust, greenhouse gases and acidifying, and large quantities of waste, slag and ash disposed in landfills covering significant areas. SC Turceni S.A. is one of the largest power generating unit from Romania. Their policy is focused on the production and delivery of electricity in order to increase energy efficiency and to reduce the environmental impact. The paper presents environmental impact produced by slag and ash storage, while pointing out that the recovery of this waste significant improves the air quality in the area. An important aspect is the proprieties of the ash and slag evacuated by Turceni power plant in order to use them for building materials manufacturing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ash%20and%20slag%20properties" title="ash and slag properties">ash and slag properties</a>, <a href="https://publications.waset.org/abstracts/search?q=air%20pollution" title=" air pollution"> air pollution</a>, <a href="https://publications.waset.org/abstracts/search?q=building%20materials%20industry" title=" building materials industry"> building materials industry</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20plants" title=" power plants"> power plants</a> </p> <a href="https://publications.waset.org/abstracts/15191/power-plants-between-environmental-pollution-and-eco-sustainable-recycling-of-industrial-wastes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15191.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">330</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">25</span> Generalized Rough Sets Applied to Graphs Related to Urban Problems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mihai%20Rebenciuc">Mihai Rebenciuc</a>, <a href="https://publications.waset.org/abstracts/search?q=Simona%20Mihaela%20Bibic"> Simona Mihaela Bibic</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Branch of modern mathematics, graphs represent instruments for optimization and solving practical applications in various fields such as economic networks, engineering, network optimization, the geometry of social action, generally, complex systems including contemporary urban problems (path or transport efficiencies, biourbanism, & c.). In this paper is studied the interconnection of some urban network, which can lead to a simulation problem of a digraph through another digraph. The simulation is made univoc or more general multivoc. The concepts of fragment and atom are very useful in the study of connectivity in the digraph that is simulation - including an alternative evaluation of k- connectivity. Rough set approach in (bi)digraph which is proposed in premier in this paper contribute to improved significantly the evaluation of k-connectivity. This rough set approach is based on generalized rough sets - basic facts are presented in this paper. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=%28bi%29digraphs" title="(bi)digraphs">(bi)digraphs</a>, <a href="https://publications.waset.org/abstracts/search?q=rough%20set%20theory" title=" rough set theory"> rough set theory</a>, <a href="https://publications.waset.org/abstracts/search?q=systems%20of%20interacting%20agents" title=" systems of interacting agents"> systems of interacting agents</a>, <a href="https://publications.waset.org/abstracts/search?q=complex%20systems" title=" complex systems"> complex systems</a> </p> <a href="https://publications.waset.org/abstracts/77919/generalized-rough-sets-applied-to-graphs-related-to-urban-problems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/77919.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">244</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">24</span> Exploring Pisa Monuments Using Mobile Augmented Reality</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mihai%20Duguleana">Mihai Duguleana</a>, <a href="https://publications.waset.org/abstracts/search?q=Florin%20Girbacia"> Florin Girbacia</a>, <a href="https://publications.waset.org/abstracts/search?q=Cristian%20Postelnicu"> Cristian Postelnicu</a>, <a href="https://publications.waset.org/abstracts/search?q=Raffaello%20Brodi"> Raffaello Brodi</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcello%20Carrozzino"> Marcello Carrozzino</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Augmented Reality (AR) has taken a big leap with the introduction of mobile applications which co-locate bi-dimensional (e.g. photo, video, text) and tridimensional information with the location of the user enriching his/her experience. This study presents the advantages of using Mobile Augmented Reality (MAR) technologies in traveling applications, improving cultural heritage exploration. We propose a location-based AR application which combines co-location with the augmented visual information about Pisa monuments to establish a friendly navigation in this historic city. AR was used to render contextual visual information in the outdoor environment. The developed Android-based application offers two different options: it provides the ability to identify the monuments positioned close to the user’s position and it offers location information for getting near the key touristic objectives. We present the process of creating the monuments’ 3D map database and the navigation algorithm. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=augmented%20reality" title="augmented reality">augmented reality</a>, <a href="https://publications.waset.org/abstracts/search?q=electronic%20compass" title=" electronic compass"> electronic compass</a>, <a href="https://publications.waset.org/abstracts/search?q=GPS" title=" GPS"> GPS</a>, <a href="https://publications.waset.org/abstracts/search?q=location-based%20service" title=" location-based service"> location-based service</a> </p> <a href="https://publications.waset.org/abstracts/54319/exploring-pisa-monuments-using-mobile-augmented-reality" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54319.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">286</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">23</span> Re-shaping Ancient Historical Courtyards in a Sustainable Design</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Andreea%20Anamaria%20Anghel">Andreea Anamaria Anghel</a>, <a href="https://publications.waset.org/abstracts/search?q=Flaviu%20Mihai%20Frigura-Lliasa"> Flaviu Mihai Frigura-Lliasa</a>, <a href="https://publications.waset.org/abstracts/search?q=Attila%20Simo"> Attila Simo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In recent years, there has been a renewed interest in revitalizing the historical area of Timisoara, a city located in western Romania, with a focus on preserving its architectural heritage while also promoting sustainable urban development. This has led to several initiatives aimed at improving public spaces, promoting sustainable transport, and encouraging the use of green infrastructure, such as green interior courtyards, to enhance the livability and sustainability of the area. A preliminary study regarding history, characteristics and current condition was carried out by the authors regarding these interior courtyards in the historical areas of Timisoara, the European Capital of Culture, in 2023, highlighting their potential to contribute to the sustainable development of the city. Modern interventions in interior historical courtyards should aim to preserve the historic character of these spaces while also promoting their sustainable and functional use in the 21st century. By doing so, these courtyards can continue to serve as vital urban oases and cultural landmarks for generations to come. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=architectural%20heritage" title="architectural heritage">architectural heritage</a>, <a href="https://publications.waset.org/abstracts/search?q=green%20interior%20courtyards" title=" green interior courtyards"> green interior courtyards</a>, <a href="https://publications.waset.org/abstracts/search?q=public%20spaces" title=" public spaces"> public spaces</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20development" title=" sustainable development"> sustainable development</a> </p> <a href="https://publications.waset.org/abstracts/166970/re-shaping-ancient-historical-courtyards-in-a-sustainable-design" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/166970.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">86</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">22</span> Powder Flow with Normalized Powder Particles Size Distribution and Temperature Analyses in Laser Melting Deposition: Analytical Modelling and Experimental Validation </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Arif%20Mahmood">Muhammad Arif Mahmood</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrei%20C.%20Popescu"> Andrei C. Popescu</a>, <a href="https://publications.waset.org/abstracts/search?q=Mihai%20Oane"> Mihai Oane</a>, <a href="https://publications.waset.org/abstracts/search?q=Diana%20Chioibascu"> Diana Chioibascu</a>, <a href="https://publications.waset.org/abstracts/search?q=Carmen%20Ristoscu"> Carmen Ristoscu</a>, <a href="https://publications.waset.org/abstracts/search?q=Ion%20N.%20Mihailescu"> Ion N. Mihailescu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Powder flow and temperature distributions are recognized as influencing factors during laser melting deposition (LMD) process, that not only affect the consolidation rate but also characteristics of the deposited layers. Herewith, two simplified analytical models will be presented to simulate the powder flow with the inclusion of powder particles size distribution in Gaussian form, under three powder jet nozzles, and temperature analyses during LMD process. The output of the 1st model will serve as the input in the 2nd model. The models will be validated with experimental data, i.e., weight measurement method for powder particles distribution and infrared imaging for temperature analyses. This study will increase the cost-efficiency of the LMD process by adjustment of the operating parameters for reaching optimal powder debit and energy. This research has received funds under the Marie Sklodowska-Curie grant agreement No. 764935, from the European Union’s Horizon 2020 research and innovation program. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=laser%20additive%20manufacturing" title="laser additive manufacturing">laser additive manufacturing</a>, <a href="https://publications.waset.org/abstracts/search?q=powder%20particles%20size%20distribution%20in%20Gaussian%20form" title=" powder particles size distribution in Gaussian form"> powder particles size distribution in Gaussian form</a>, <a href="https://publications.waset.org/abstracts/search?q=powder%20stream%20distribution" title=" powder stream distribution"> powder stream distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature%20analyses" title=" temperature analyses"> temperature analyses</a> </p> <a href="https://publications.waset.org/abstracts/122315/powder-flow-with-normalized-powder-particles-size-distribution-and-temperature-analyses-in-laser-melting-deposition-analytical-modelling-and-experimental-validation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/122315.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">135</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">21</span> Modular, Responsive, and Interactive Green Walls - A Case Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Flaviu%20Mihai%20Frigura-Lliasa">Flaviu Mihai Frigura-Lliasa</a>, <a href="https://publications.waset.org/abstracts/search?q=Andreea%20Anamaria%20Anghel"> Andreea Anamaria Anghel</a>, <a href="https://publications.waset.org/abstracts/search?q=Attila%20Simo"> Attila Simo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Due to the beauty, usefulness, science, constantly changing, constantly evolving features, and most of the time, mystery it involves, nature-based art is seen as a both modern and timeless direction that has been extensively used in design. The goal of the team's activities was to experiment with ways of fusing the two most common contemporary ways of referring to green installations, that is, either in a pure artistic or in an ecological manner, and creating a living, dynamic, interactive installation capable of both receiving and interpreting external factors, such as natural and human stimuli, that would not only determine some of the mechanism's presets. By consequent, a complex experiment made up of various research and project stages was elaborated in order to transform an idea into an actual interactive green installation within months thanks to the interaction, teamwork, and design processes undertaken throughout the academic years by both university lecturers and some of our students. The outcomes would lead to the development of a dynamic artwork called "Modgrew" as well as the introduction of experiment-based learning at the Timisoara Faculty of Architecture and Urban Planning, as well as at the Faculty of Electrical and Power Engineering, for the green wall automation issues. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=green%20design" title="green design">green design</a>, <a href="https://publications.waset.org/abstracts/search?q=living%20walls" title=" living walls"> living walls</a>, <a href="https://publications.waset.org/abstracts/search?q=modular%20structure" title=" modular structure"> modular structure</a>, <a href="https://publications.waset.org/abstracts/search?q=interactive%20proof%20of%20concept" title=" interactive proof of concept"> interactive proof of concept</a> </p> <a href="https://publications.waset.org/abstracts/166969/modular-responsive-and-interactive-green-walls-a-case-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/166969.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">77</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">20</span> Hunting Ban, Unfortunate Decisions for the Bear Population in Romania</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alexandru%20Gridan">Alexandru Gridan</a>, <a href="https://publications.waset.org/abstracts/search?q=Georgeta%20Ionescu"> Georgeta Ionescu</a>, <a href="https://publications.waset.org/abstracts/search?q=Ovidiu%20%20Ionescu"> Ovidiu Ionescu</a>, <a href="https://publications.waset.org/abstracts/search?q=Ramon%20Jurj"> Ramon Jurj</a>, <a href="https://publications.waset.org/abstracts/search?q=George%20Sirbu"> George Sirbu</a>, <a href="https://publications.waset.org/abstracts/search?q=Mihai%20Fedorca"> Mihai Fedorca</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Brown Bear population size in Romania is approximately 7300-7600 individuals, which is projected to be 3000 individuals over the ecological carrying capacity. The Habitats Directive imposed certain protection rules on European Union (EU) Member States with Brown Bear populations. These however allow countries like Sweden, Croatia, Slovakia, Estonia to hunting as management tool, harvesting up to 10% of the surplus bear population annually. From the point Romania joined the EU to 2016, active conservation management has contributed to maintaining the highest and most genetically diverse Brown Bear population in Europe. Importantly, there has been good coexistence between people and bears and low levels of human-bear conflict. After social pressure and campaigning by some non-governmental organisations citing issues over monitoring, the environment minister decided in September 2016 to stop the use of hunting as a management tool for bears. Against this background, this paper provides a set of recommendations to resolve the current conflict in Romania. These include the need for collaborative decision-making to reduce conflicts between stakeholders and mechanisms to reduce current human-bear conflicts, which have increased by 50 percent in the past year. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bear" title="bear">bear</a>, <a href="https://publications.waset.org/abstracts/search?q=bear%20population" title=" bear population"> bear population</a>, <a href="https://publications.waset.org/abstracts/search?q=bear%20management" title=" bear management"> bear management</a>, <a href="https://publications.waset.org/abstracts/search?q=wildlife%20conflict" title=" wildlife conflict"> wildlife conflict</a> </p> <a href="https://publications.waset.org/abstracts/80782/hunting-ban-unfortunate-decisions-for-the-bear-population-in-romania" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/80782.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">182</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">19</span> Structural, Magnetic and Thermodynamic Investigation of Iridium Double Perovskites with Ir⁵⁺</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mihai%20I.%20Sturza">Mihai I. Sturza</a>, <a href="https://publications.waset.org/abstracts/search?q=Laura%20T.%20Corredor"> Laura T. Corredor</a>, <a href="https://publications.waset.org/abstracts/search?q=Kaustuv%20Manna"> Kaustuv Manna</a>, <a href="https://publications.waset.org/abstracts/search?q=Gizem%20A.%20Cansever"> Gizem A. Cansever</a>, <a href="https://publications.waset.org/abstracts/search?q=Tushar%20Dey"> Tushar Dey</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrey%20Maljuk"> Andrey Maljuk</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20Kataeva"> Olga Kataeva</a>, <a href="https://publications.waset.org/abstracts/search?q=Sabine%20Wurmehl"> Sabine Wurmehl</a>, <a href="https://publications.waset.org/abstracts/search?q=Anja%20Wolter"> Anja Wolter</a>, <a href="https://publications.waset.org/abstracts/search?q=Bernd%20Buchner"> Bernd Buchner</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Recently, the iridate double perovskite Sr₂YIrO₆ has attracted considerable attention due to the report of unexpected magnetism in this Ir⁵⁺ material, in which according to the Jeff model, a non-magnetic ground state is expected. Structural, magnetic and thermodynamic investigations of Sr₂YIrO₆ and Ba2YIrO6 single crystals, with emphasis on the temperature and magnetic field dependence of the specific heat will be presented. The single crystals were grown by using SrCl₂ and BaCl₂ as flux. Single-crystal X-ray diffraction measurements performed on several crystals from different preparation batches showed a high quality of the crystals, proven by the good internal consistency of the data collected using the full-sphere mode and an extremely low R factor. In agreement with the expected non-magnetic ground state of Ir⁵⁺ (5d4) in these iridates, no magnetic transition is observed down to 430 mK. Moreover, our results suggest that the low-temperature anomaly observed in the specific heat is not related to the onset of long-range magnetic order. Instead, it is identified as a Schottky anomaly caused by paramagnetic impurities present in the sample, of the order of <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=double%20perovskites" title="double perovskites">double perovskites</a>, <a href="https://publications.waset.org/abstracts/search?q=iridates" title=" iridates"> iridates</a>, <a href="https://publications.waset.org/abstracts/search?q=self-flux%20grown%20synthesis" title=" self-flux grown synthesis"> self-flux grown synthesis</a>, <a href="https://publications.waset.org/abstracts/search?q=spin-orbit%20coupling" title=" spin-orbit coupling"> spin-orbit coupling</a> </p> <a href="https://publications.waset.org/abstracts/64309/structural-magnetic-and-thermodynamic-investigation-of-iridium-double-perovskites-with-ir5" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64309.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">331</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">18</span> Shape Sensing and Damage Detection of Thin-Walled Cylinders Using an Inverse Finite Element Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ionel%20D.%20Craiu">Ionel D. Craiu</a>, <a href="https://publications.waset.org/abstracts/search?q=Mihai%20Nedelcu"> Mihai Nedelcu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Thin-walled cylinders are often used by the offshore industry as columns of floating installations. Based on observed strains, the inverse Finite Element Method (iFEM) may rebuild the deformation of structures. Structural Health Monitoring uses this approach extensively. However, the number of in-situ strain gauges is what determines how accurate it is, and for shell structures with complicated deformation, this number can easily become too high for practical use. Any thin-walled beam member's complicated deformation can be modeled by the Generalized Beam Theory (GBT) as a linear combination of pre-specified cross-section deformation modes. GBT uses bar finite elements as opposed to shell finite elements. This paper proposes an iFEM/GBT formulation for the shape sensing of thin-walled cylinders based on these benefits. This method significantly reduces the number of strain gauges compared to using the traditional inverse-shell finite elements. Using numerical simulations, dent damage detection is achieved by comparing the strain distributions of the undamaged and damaged members. The effect of noise on strain measurements is also investigated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=damage%20detection" title="damage detection">damage detection</a>, <a href="https://publications.waset.org/abstracts/search?q=generalized%20beam%20theory" title=" generalized beam theory"> generalized beam theory</a>, <a href="https://publications.waset.org/abstracts/search?q=inverse%20finite%20element%20method" title=" inverse finite element method"> inverse finite element method</a>, <a href="https://publications.waset.org/abstracts/search?q=shape%20sensing" title=" shape sensing"> shape sensing</a> </p> <a href="https://publications.waset.org/abstracts/165815/shape-sensing-and-damage-detection-of-thin-walled-cylinders-using-an-inverse-finite-element-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/165815.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">113</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">17</span> Gas Chromatography Coupled to Tandem Mass Spectrometry and Liquid Chromatography Coupled to Tandem Mass Spectrometry Qualitative Determination of Pesticides Found in Tea Infusions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mihai-Alexandru%20Florea">Mihai-Alexandru Florea</a>, <a href="https://publications.waset.org/abstracts/search?q=Veronica%20Drumea"> Veronica Drumea</a>, <a href="https://publications.waset.org/abstracts/search?q=Roxana%20Nita"> Roxana Nita</a>, <a href="https://publications.waset.org/abstracts/search?q=Cerasela%20Gird"> Cerasela Gird</a>, <a href="https://publications.waset.org/abstracts/search?q=Laura%20Olariu"> Laura Olariu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study was to investigate the residues of pesticide found in tea water infusions. A multi-residues method to determine 147 pesticides has been developed using the QuEChERS (Quick, Easy, Cheap, Effective, Rugged, Safe) procedure and dispersive solid phase extraction (d-SPE) for the cleanup the pesticides from complex matrices such as plants and tea. Sample preparation was carefully optimized for the efficient removal of coextracted matrix components by testing more solvent systems. Determination of pesticides was performed using GC-MS/MS (100 of pesticides) and LC-MS/MS (47 of pesticides). The selected reaction monitoring (SRM) mode was chosen to achieve low detection limits and high compounds selectivity and sensitivity. Overall performance was evaluated and validated according to DG-SANTE Guidelines. To assess the pesticide residue transfer rate (qualitative) from dried tea in infusions the samples (tea) were spiked with a mixture of pesticides at the maximum residues level accepted for teas and herbal infusions. In order to investigate the release of the pesticides in tea preparations, the medicinal plants were prepared in four ways by variation of water temperature and the infusion time. The pesticides from infusions were extracted using two methods: QuEChERS versus solid-phase extraction (SPE). More that 90 % of the pesticides studied was identified in infusion. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tea" title="tea">tea</a>, <a href="https://publications.waset.org/abstracts/search?q=solid-phase%20extraction%20%28SPE%29" title=" solid-phase extraction (SPE)"> solid-phase extraction (SPE)</a>, <a href="https://publications.waset.org/abstracts/search?q=selected%20reaction%20monitoring%20%28SRM%29" title=" selected reaction monitoring (SRM)"> selected reaction monitoring (SRM)</a>, <a href="https://publications.waset.org/abstracts/search?q=QuEChERS" title=" QuEChERS"> QuEChERS</a> </p> <a href="https://publications.waset.org/abstracts/70223/gas-chromatography-coupled-to-tandem-mass-spectrometry-and-liquid-chromatography-coupled-to-tandem-mass-spectrometry-qualitative-determination-of-pesticides-found-in-tea-infusions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/70223.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">213</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">16</span> Isotopes Used in Comparing Indigenous and International Walnut (Juglans regia L.) Varieties</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raluca%20Popescu">Raluca Popescu</a>, <a href="https://publications.waset.org/abstracts/search?q=Diana%20Costinel"> Diana Costinel</a>, <a href="https://publications.waset.org/abstracts/search?q=Elisabeta-Irina%20Geana"> Elisabeta-Irina Geana</a>, <a href="https://publications.waset.org/abstracts/search?q=Oana-Romina%20Botoran"> Oana-Romina Botoran</a>, <a href="https://publications.waset.org/abstracts/search?q=Roxana-Elena%20Ionete"> Roxana-Elena Ionete</a>, <a href="https://publications.waset.org/abstracts/search?q=Yazan%20Falah%20Jadee%20%27Alabedallat"> Yazan Falah Jadee 'Alabedallat</a>, <a href="https://publications.waset.org/abstracts/search?q=Mihai%20Botu"> Mihai Botu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Walnut production is high in Romania, different varieties being cultivated dependent on high yield, disease resistance or quality of produce. Walnuts have a highly nutritional composition, the kernels containing essential fatty acids, where the unsaturated fraction is higher than in other types of nuts, quinones, tannins, minerals. Walnut consumption can lower the cholesterol, improve the arterial function and reduce inflammation. The purpose of this study is to determine and compare the composition of walnuts of indigenous and international varieties all grown in Romania, in order to identify high-quality indigenous varieties. Oil has been extracted from the nuts of 34 varieties, the fatty acids composition and IV (iodine value) being afterwards measured by NMR. Furthermore, δ13C of the extracted oil had been measured by IRMS to find specific isotopic fingerprints that can be used in authenticating the varieties. Chemometrics had been applied to the data in order to identify similarities and differences between the varieties. The total saturated fatty acids content (SFA) varied between n.d. and 23% molar, oleic acid between 17 and 35%, linoleic acid between 38 and 59%, linolenic acid between 8 and 14%, corresponding to iodine values (IV - total amount of unsaturation) ranging from 100 to 135. The varieties separated in four groups according to the fatty acids composition, each group containing an international variety, making possible the classification of the indigenous ones. At both ends of the unsaturation spectrum, international varieties had been found. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=%CE%B413C-IRMS" title="δ13C-IRMS">δ13C-IRMS</a>, <a href="https://publications.waset.org/abstracts/search?q=fatty%20acids%20composition" title=" fatty acids composition"> fatty acids composition</a>, <a href="https://publications.waset.org/abstracts/search?q=1H-NMR" title=" 1H-NMR"> 1H-NMR</a>, <a href="https://publications.waset.org/abstracts/search?q=walnut%20varieties" title=" walnut varieties"> walnut varieties</a> </p> <a href="https://publications.waset.org/abstracts/60143/isotopes-used-in-comparing-indigenous-and-international-walnut-juglans-regia-l-varieties" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60143.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">315</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">15</span> Research on the Aeration Systems’ Efficiency of a Lab-Scale Wastewater Treatment Plant</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Oliver%20Marun%C8%9B%C4%83lu">Oliver Marunțălu</a>, <a href="https://publications.waset.org/abstracts/search?q=Elena%20Elisabeta%20Manea"> Elena Elisabeta Manea</a>, <a href="https://publications.waset.org/abstracts/search?q=L%C4%83cr%C4%83mioara%20Diana%20Robescu"> Lăcrămioara Diana Robescu</a>, <a href="https://publications.waset.org/abstracts/search?q=Mihai%20Nec%C8%99oiu"> Mihai Necșoiu</a>, <a href="https://publications.waset.org/abstracts/search?q=Gheorghe%20L%C4%83z%C4%83roiu"> Gheorghe Lăzăroiu</a>, <a href="https://publications.waset.org/abstracts/search?q=Dana%20Andreya%20Bondrea"> Dana Andreya Bondrea</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to obtain efficient pollutants removal in small-scale wastewater treatment plants, uniform water flow has to be achieved. The experimental setup, designed for treating high-load wastewater (leachate), consists of two aerobic biological reactors and a lamellar settler. Both biological tanks were aerated by using three different types of aeration systems - perforated pipes, membrane air diffusers and tube ceramic diffusers. The possibility of homogenizing the water mass with each of the air diffusion systems was evaluated comparatively. The oxygen concentration was determined by optical sensors with data logging. The experimental data was analyzed comparatively for all three different air dispersion systems aiming to identify the oxygen concentration variation during different operational conditions. The Oxygenation Capacity was calculated for each of the three systems and used as performance and selection parameter. The global mass transfer coefficients were also evaluated as important tools in designing the aeration system. Even though using the tubular porous diffusers leads to higher oxygen concentration compared to the perforated pipe system (which provides medium-sized bubbles in the aqueous solution), it doesn’t achieve the threshold limit of 80% oxygen saturation in less than 30 minutes. The study has shown that the optimal solution for the studied configuration was the radial air diffusers which ensure an oxygen saturation of 80% in 20 minutes. An increment of the values was identified when the air flow was increased. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flow" title="flow">flow</a>, <a href="https://publications.waset.org/abstracts/search?q=aeration" title=" aeration"> aeration</a>, <a href="https://publications.waset.org/abstracts/search?q=bioreactor" title=" bioreactor"> bioreactor</a>, <a href="https://publications.waset.org/abstracts/search?q=oxygen%20concentration" title=" oxygen concentration "> oxygen concentration </a> </p> <a href="https://publications.waset.org/abstracts/29016/research-on-the-aeration-systems-efficiency-of-a-lab-scale-wastewater-treatment-plant" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29016.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">389</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">14</span> Intelligent Control of Bioprocesses: A Software Application</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mihai%20Caramihai">Mihai Caramihai</a>, <a href="https://publications.waset.org/abstracts/search?q=Dan%20Vasilescu"> Dan Vasilescu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main research objective of the experimental bioprocess analyzed in this paper was to obtain large biomass quantities. The bioprocess is performed in 100 L Bioengineering bioreactor with 42 L cultivation medium made of peptone, meat extract and sodium chloride. The reactor was equipped with pH, temperature, dissolved oxygen, and agitation controllers. The operating parameters were 37 oC, 1.2 atm, 250 rpm and air flow rate of 15 L/min. The main objective of this paper is to present a case study to demonstrate that intelligent control, describing the complexity of the biological process in a qualitative and subjective manner as perceived by human operator, is an efficient control strategy for this kind of bioprocesses. In order to simulate the bioprocess evolution, an intelligent control structure, based on fuzzy logic has been designed. The specific objective is to present a fuzzy control approach, based on human expert’ rules vs. a modeling approach of the cells growth based on bioprocess experimental data. The kinetic modeling may represent only a small number of bioprocesses for overall biosystem behavior while fuzzy control system (FCS) can manipulate incomplete and uncertain information about the process assuring high control performance and provides an alternative solution to non-linear control as it is closer to the real world. Due to the high degree of non-linearity and time variance of bioprocesses, the need of control mechanism arises. BIOSIM, an original developed software package, implements such a control structure. The simulation study has showed that the fuzzy technique is quite appropriate for this non-linear, time-varying system vs. the classical control method based on a priori model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=intelligent" title="intelligent">intelligent</a>, <a href="https://publications.waset.org/abstracts/search?q=control" title=" control"> control</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20model" title=" fuzzy model"> fuzzy model</a>, <a href="https://publications.waset.org/abstracts/search?q=bioprocess%20optimization" title=" bioprocess optimization "> bioprocess optimization </a> </p> <a href="https://publications.waset.org/abstracts/45265/intelligent-control-of-bioprocesses-a-software-application" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/45265.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">327</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">13</span> Applied Spatial Mapping and Monitoring of Illegal Landfills for Deprived Urban Areas in Romania</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=%C8%98erc%C4%83ianu%20Mihai">Șercăianu Mihai</a>, <a href="https://publications.waset.org/abstracts/search?q=Aldea%20Mihaela"> Aldea Mihaela</a>, <a href="https://publications.waset.org/abstracts/search?q=Iacoboaea%20Cristina"> Iacoboaea Cristina</a>, <a href="https://publications.waset.org/abstracts/search?q=Luca%20Oana"> Luca Oana</a>, <a href="https://publications.waset.org/abstracts/search?q=Nenciu%20Ioana"> Nenciu Ioana</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The rise and mitigation of unauthorized illegal waste dumps are a significant global issue within waste management ecosystems, impacting disadvantaged communities. Globally, including in Romania, many individuals live in houses without legal recognition, lacking ownership or construction permits, in areas known as "informal settlements." An increasing number of regions and cities in Romania are struggling to manage their illegal waste dumps, especially in the context of increasing poverty and lack of regulation related to informal settlements. One such informal settlement is located at the end of Bistra Street in Câlnic, within the Reșița Municipality of Caras Severin County. The article presents a case study that focuses on employing remote sensing techniques and spatial data to monitor and map illegal waste practices, with subsequent integration into a geographic information system tailored for the Reșița community. In addition, the paper outlines the steps involved in devising strategies aimed at enhancing waste management practices in disadvantaged areas, aligning with the shift toward a circular economy. Results presented in the paper contain a spatial mapping and visualization methodology calibrated with in situ data collection applicable for identifying illegal landfills. The emergence and neutralization of illegal dumps pose a challenge in the field of waste management. These approaches, which prove effective where conventional solutions have failed, need to be replicated and adopted more wisely. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=informal%20settlements" title="informal settlements">informal settlements</a>, <a href="https://publications.waset.org/abstracts/search?q=GIS" title=" GIS"> GIS</a>, <a href="https://publications.waset.org/abstracts/search?q=waste%20dumps" title=" waste dumps"> waste dumps</a>, <a href="https://publications.waset.org/abstracts/search?q=waste%20management" title=" waste management"> waste management</a>, <a href="https://publications.waset.org/abstracts/search?q=monitoring" title=" monitoring"> monitoring</a> </p> <a href="https://publications.waset.org/abstracts/184576/applied-spatial-mapping-and-monitoring-of-illegal-landfills-for-deprived-urban-areas-in-romania" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/184576.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">88</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">12</span> Lower Limb Oedema in Beckwith-Wiedemann Syndrome</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mihai-Ionut%20Firescu">Mihai-Ionut Firescu</a>, <a href="https://publications.waset.org/abstracts/search?q=Mark%20A.%20P.%20Carson"> Mark A. P. Carson</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We present a case of inferior vena cava agenesis (IVCA) associated with bilateral deep venous thrombosis (DVT) in a patient with Beckwith-Wiedemann syndrome (BWS). In adult patients with BWS presenting with bilateral lower limb oedema, specific aetiological factors should be considered. These include cardiomyopathy and intraabdominal tumours. Congenital malformations of the IVC, through causing relative venous stasis, can lead to lower limb oedema either directly or indirectly by favouring lower limb venous thromboembolism; however, they are yet to be reported as an associated feature of BWS. Given its life-threatening potential, the prompt initiation of treatment for bilateral DVT is paramount. In BWS patients, however, this can prove more complicated. Due to overgrowth, the above-average birth weight can continue throughout childhood. In this case, the patient’s weight reached 170 kg, impacting on anticoagulation choice, as direct oral anticoagulants have a limited evidence base in patients with a body mass above 120 kg. Furthermore, the presence of IVCA leads to a long-term increased venous thrombosis risk. Therefore, patients with IVCA and bilateral DVT warrant specialist consideration and may benefit from multidisciplinary team management, with hematology and vascular surgery input. Conclusion: Here, we showcased a rare cause for bilateral lower limb oedema, respectively bilateral deep venous thrombosis complicating IVCA in a patient with Beckwith-Wiedemann syndrome. The importance of this case lies in its novelty, as the association between IVC agenesis and BWS has not yet been described. Furthermore, the treatment of DVT in such situations requires special consideration, taking into account the patient’s weight and the presence of a significant, predisposing vascular abnormality. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Beckwith-Wiedemann%20syndrome" title="Beckwith-Wiedemann syndrome">Beckwith-Wiedemann syndrome</a>, <a href="https://publications.waset.org/abstracts/search?q=bilateral%20deep%20venous%20thrombosis" title=" bilateral deep venous thrombosis"> bilateral deep venous thrombosis</a>, <a href="https://publications.waset.org/abstracts/search?q=inferior%20vena%20cava%20agenesis" title=" inferior vena cava agenesis"> inferior vena cava agenesis</a>, <a href="https://publications.waset.org/abstracts/search?q=venous%20thromboembolism" title=" venous thromboembolism"> venous thromboembolism</a> </p> <a href="https://publications.waset.org/abstracts/131341/lower-limb-oedema-in-beckwith-wiedemann-syndrome" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/131341.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">237</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">11</span> Communication Infrastructure Required for a Driver Behaviour Monitoring System, ‘SiaMOTO’ IT Platform</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dogaru-Ulieru%20Valentin">Dogaru-Ulieru Valentin</a>, <a href="https://publications.waset.org/abstracts/search?q=S%C4%83li%C8%99teanu%20Ioan%20Corneliu"> Sălișteanu Ioan Corneliu</a>, <a href="https://publications.waset.org/abstracts/search?q=Ardeleanu%20Mih%C4%83i%C8%9B%C4%83%20Nicolae"> Ardeleanu Mihăiță Nicolae</a>, <a href="https://publications.waset.org/abstracts/search?q=Brosc%C4%83reanu%20%C8%98tefan"> Broscăreanu Ștefan</a>, <a href="https://publications.waset.org/abstracts/search?q=S%C4%83li%C8%99teanu%20Bogdan"> Sălișteanu Bogdan</a>, <a href="https://publications.waset.org/abstracts/search?q=Mihai%20Mihail"> Mihai Mihail</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The SiaMOTO system is a communications and data processing platform for vehicle traffic. The human factor is the most important factor in the generation of this data, as the driver is the one who dictates the trajectory of the vehicle. Like any trajectory, specific parameters refer to position, speed and acceleration. Constant knowledge of these parameters allows complex analyses. Roadways allow many vehicles to travel through their confined space, and the overlapping trajectories of several vehicles increase the likelihood of collision events, known as road accidents. Any such event has causes that lead to its occurrence, so the conditions for its occurrence are known. The human factor is predominant in deciding the trajectory parameters of the vehicle on the road, so monitoring it by knowing the events reported by the DiaMOTO device over time, will generate a guide to target any potentially high-risk driving behavior and reward those who control the driving phenomenon well. In this paper, we have focused on detailing the communication infrastructure of the DiaMOTO device with the traffic data collection server, the infrastructure through which the database that will be used for complex AI/DLM analysis is built. The central element of this description is the data string in CODEC-8 format sent by the DiaMOTO device to the SiaMOTO collection server database. The data presented are specific to a functional infrastructure implemented in an experimental model stage, by installing on a number of 50 vehicles DiaMOTO unique code devices, integrating ADAS and GPS functions, through which vehicle trajectories can be monitored 24 hours a day. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=DiaMOTO" title="DiaMOTO">DiaMOTO</a>, <a href="https://publications.waset.org/abstracts/search?q=Codec-8" title=" Codec-8"> Codec-8</a>, <a href="https://publications.waset.org/abstracts/search?q=ADAS" title=" ADAS"> ADAS</a>, <a href="https://publications.waset.org/abstracts/search?q=GPS" title=" GPS"> GPS</a>, <a href="https://publications.waset.org/abstracts/search?q=driver%20monitoring" title=" driver monitoring"> driver monitoring</a> </p> <a href="https://publications.waset.org/abstracts/176531/communication-infrastructure-required-for-a-driver-behaviour-monitoring-system-siamoto-it-platform" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/176531.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">10</span> Advancing Spatial Mapping and Monitoring of Illegal Landfills for Deprived Urban Areas in Romania</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=%C8%98erc%C4%83Ianu%20Mihai">ȘercăIanu Mihai</a>, <a href="https://publications.waset.org/abstracts/search?q=Aldea%20Mihaela"> Aldea Mihaela</a>, <a href="https://publications.waset.org/abstracts/search?q=Iacoboaea%20Cristina"> Iacoboaea Cristina</a>, <a href="https://publications.waset.org/abstracts/search?q=Luca%20Oana"> Luca Oana</a>, <a href="https://publications.waset.org/abstracts/search?q=Nenciu%20Ioana"> Nenciu Ioana</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The emergence and neutralization of illegal waste dumps represent a global concern for waste management ecosystems with a particularly pronounced impact on disadvantaged communities. All over the world, and in this particular case in Romania, a relevant number of people resided in houses lacking any legal forms such as land ownership documents or building permits. These areas are referred to as “informal settlements”. An increasing number of regions and cities in Romania are struggling to manage their waste dumps, especially in the context of increasing poverty and lack of regulation related to informal settlements. An example of such informal settlement can be found at the terminus of Bistra Street in Câlnic, which falls under the jurisdiction of the Municipality of Reșița in Caras Severin County. The article presents a case study that focuses on employing remote sensing techniques and spatial data to monitor and map illegal waste practices, with subsequent integration into a geographic information system tailored for the Reșița community. In addition, the paper outlines the steps involved in devising strategies aimed at enhancing waste management practices in disadvantaged areas, aligning with the shift toward a circular economy. Results presented in the paper contain a spatial mapping and visualization methodology calibrated with in situ data collection applicable for identifying illegal landfills. The emergence and neutralization of illegal dumps pose a challenge in the field of waste management. These approaches, which prove effective where conventional solutions have failed, need to be replicated and adopted more wisely. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=waste%20dumps" title="waste dumps">waste dumps</a>, <a href="https://publications.waset.org/abstracts/search?q=waste%20management" title=" waste management"> waste management</a>, <a href="https://publications.waset.org/abstracts/search?q=monitoring" title=" monitoring"> monitoring</a>, <a href="https://publications.waset.org/abstracts/search?q=GIS" title=" GIS"> GIS</a>, <a href="https://publications.waset.org/abstracts/search?q=informal%20settlements" title=" informal settlements"> informal settlements</a> </p> <a href="https://publications.waset.org/abstracts/173949/advancing-spatial-mapping-and-monitoring-of-illegal-landfills-for-deprived-urban-areas-in-romania" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173949.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">87</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9</span> The Antioxidant and Antinociceptive Effects of Curcumin in Experimentally Induced Pain in Rats</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Valeriu%20Mihai%20But">Valeriu Mihai But</a>, <a href="https://publications.waset.org/abstracts/search?q=Sorana%20Daniela%20Bolboac%C4%83"> Sorana Daniela Bolboacă</a>, <a href="https://publications.waset.org/abstracts/search?q=Adriana%20Elena%20Bulboac%C4%83"> Adriana Elena Bulboacă</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The nutraceutical compound Curcumin (Curcuma longa L.) is known for its anti-inflammatory, anti-cancer, and antioxidant effects. This study aimed to evaluate the antioxidative and analgesic effects of Curcumin (CC) compared to Tramadol (T) in chemical-induced nociceptive pain in rats. Thirty-five rats were randomly divided into five groups of seven rats each and were treated as follows: C group (control group): treated with saline solution 0.9%, (1 ml, i.p. administration), ethanoic acid (EA) group: pretreated with saline solution 0.9% - 30 min before EA nociceptive pain induction, (1 ml, i.p. administration), T group: pretreated with Tramadol, 10 mg/kg body weight (bw), i.p. administration - 30 min before EA nociceptive pain induction, CC1-group: pretreated with 1 mg/100g bw Curcumin i.p. administration - 2 days before EA pain induction and CC2-group: pretreated with Curcumin 2 mg/100g bw i.p. administration - 2 days before EA nociceptive pain induction. The following oxidative stress parameters were assessed: malondialdehyde (MDA), nitric oxide (NOx), total oxidative status (TOS), total antioxidative capacity (TAC), and thiol (Th). The antalgic activity was measured by the ethanoic acid writhing test. Treatment with Curcumin, both 1 mg/100g bw, and 2 mg/100g bw, showed significant differences as compared with the control group (p<0.001) regarding malondialdehyde (MDA), nitric oxide (NOx), and total oxidative status (TOS) oxidative biomarkers. Pretreatment with 2 mg/100g bw of Curcumin presented a significant decrease in MDA values compared with Tramadol (p<0.001). The TAC significantly increased in pretreatment with Curcumin compared with group control. (p<0.001) The nociceptive response to EA was significantly reduced in Curcumin and Tramadol groups. Treatment with Curcumin at a higher concentration was more effective. In an experimental pain model, this study demonstrates an important antioxidant and antinociceptive activity of Curcumin comparable with Tramadol treatment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=curcumin" title="curcumin">curcumin</a>, <a href="https://publications.waset.org/abstracts/search?q=nociception" title=" nociception"> nociception</a>, <a href="https://publications.waset.org/abstracts/search?q=oxidative%20stress" title=" oxidative stress"> oxidative stress</a>, <a href="https://publications.waset.org/abstracts/search?q=pain" title=" pain"> pain</a> </p> <a href="https://publications.waset.org/abstracts/151497/the-antioxidant-and-antinociceptive-effects-of-curcumin-in-experimentally-induced-pain-in-rats" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/151497.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">108</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">8</span> Study of the Uncertainty Behaviour for the Specific Total Enthalpy of the Hypersonic Plasma Wind Tunnel Scirocco at Italian Aerospace Research Center</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Adolfo%20Martucci">Adolfo Martucci</a>, <a href="https://publications.waset.org/abstracts/search?q=Iulian%20Mihai"> Iulian Mihai</a> </p> <p class="card-text"><strong>Abstract:</strong></p> By means of the expansion through a Conical Nozzle and the low pressure inside the Test Chamber, a large hypersonic stable flow takes place for a duration of up to 30 minutes. Downstream the Test Chamber, the diffuser has the function of reducing the flow velocity to subsonic values, and as a consequence, the temperature increases again. In order to cool down the flow, a heat exchanger is present at the end of the diffuser. The Vacuum System generates the necessary vacuum conditions for the correct hypersonic flow generation, and the DeNOx system, which follows the Vacuum System, reduces the nitrogen oxide concentrations created inside the plasma flow behind the limits imposed by Italian law. This very large, powerful, and complex facility allows researchers and engineers to reproduce entire re-entry trajectories of space vehicles into the atmosphere. One of the most important parameters for a hypersonic flowfield representative of re-entry conditions is the specific total enthalpy. This is the whole energy content of the fluid, and it represents how severe could be the conditions around a spacecraft re-entering from a space mission or, in our case, inside a hypersonic wind tunnel. It is possible to reach very high values of enthalpy (up to 45 MJ/kg) that, together with the large allowable size of the models, represent huge possibilities for making on-ground experiments regarding the atmospheric re-entry field. The maximum nozzle exit section diameter is 1950 mm, where values of Mach number very much higher than 1 can be reached. The specific total enthalpy is evaluated by means of a number of measurements, each of them concurring with its value and its uncertainty. The scope of the present paper is the evaluation of the sensibility of the uncertainty of the specific total enthalpy versus all the parameters and measurements involved. The sensors that, if improved, could give the highest advantages have so been individuated. Several simulations in Python with the METAS library and by means of Monte Carlo simulations are presented together with the obtained results and discussions about them. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hypersonic" title="hypersonic">hypersonic</a>, <a href="https://publications.waset.org/abstracts/search?q=uncertainty" title=" uncertainty"> uncertainty</a>, <a href="https://publications.waset.org/abstracts/search?q=enthalpy" title=" enthalpy"> enthalpy</a>, <a href="https://publications.waset.org/abstracts/search?q=simulations" title=" simulations"> simulations</a> </p> <a href="https://publications.waset.org/abstracts/172280/study-of-the-uncertainty-behaviour-for-the-specific-total-enthalpy-of-the-hypersonic-plasma-wind-tunnel-scirocco-at-italian-aerospace-research-center" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172280.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">98</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">7</span> Assessing Local Authorities’ Interest in Addressing Urban Challenges through Nature Based Solutions in Romania</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Athanasios%20A.%20Gavrilidis">Athanasios A. Gavrilidis</a>, <a href="https://publications.waset.org/abstracts/search?q=Mihai%20R.%20Nita"> Mihai R. Nita</a>, <a href="https://publications.waset.org/abstracts/search?q=Larissa%20N.%20Stoia"> Larissa N. Stoia</a>, <a href="https://publications.waset.org/abstracts/search?q=Diana%20A.%20Onose"> Diana A. Onose</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Contemporary global environmental challenges must be primarily addressed at local levels. Cities are under continuous pressure as they must ensure high quality of life levels for their citizens and at the same time to adapt and address specific environmental issues. Innovative solutions using natural features or mimicking natural systems are endorsed by the scientific community as efficient approaches for both mitigating climate change effects and the decrease of environmental quality and for maintaining high standards of living for urban dwellers. The aim of this study was to assess whether Romanian cities’ authorities are considering nature-based innovation as solutions for their planning, management, and environmental issues. Data were gathered by applying 140 questionnaires to urban authorities throughout the country. The questionnaire was designed for assessinglocal policy makers’ perspective over the efficiency of nature-based innovations as a tool to address specific challenges. It also focused on extracting data about financing sources and challenges they must overcome for adopting nature-based approaches. The gather results from the municipalities participating in our study were statistically processed, and they revealed that Romanian city managers acknowledge the benefits of nature-based innovations, but investments in this sector are not on top of their priorities. More than 90% of the selected cities have agreed that in the last 10 years, their major concern was to expand the grey infrastructure (roads and public amenities) using traditional approaches. When asked how they would react if faced with different socio-economic and environmental challenges, local urban managers indicated investments nature-based solutions as a priority only in case of biodiversity loss and extreme weather, while for other 14 proposed scenarios, they would embrace the business-as-usual approach. Our study indicates that while new concepts of sustainable urban planning emerge within the scientific community, local authorities need more time to understand and implement them. Without the proper knowledge, personnel, policies, or dedicated budgets, local administrators will not embrace nature-based innovations as solutions for their challenges. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nature%20based%20innovations" title="nature based innovations">nature based innovations</a>, <a href="https://publications.waset.org/abstracts/search?q=perception%20analysis" title=" perception analysis"> perception analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=policy%20making" title=" policy making"> policy making</a>, <a href="https://publications.waset.org/abstracts/search?q=urban%20planning" title=" urban planning"> urban planning</a> </p> <a href="https://publications.waset.org/abstracts/145889/assessing-local-authorities-interest-in-addressing-urban-challenges-through-nature-based-solutions-in-romania" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/145889.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">174</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6</span> A Theoretical Approach of Tesla Pump</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Cristian%20Sirbu-Dragomir">Cristian Sirbu-Dragomir</a>, <a href="https://publications.waset.org/abstracts/search?q=Stefan-Mihai%20Sofian"> Stefan-Mihai Sofian</a>, <a href="https://publications.waset.org/abstracts/search?q=Adrian%20Predescu"> Adrian Predescu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper aims to study Tesla pumps for circulating biofluids. It is desired to make a small pump for the circulation of biofluids. This type of pump will be studied because it has the following characteristics: It doesn’t have blades which results in very small frictions; Reduced friction forces; Low production cost; Increased adaptability to different types of fluids; Low cavitation (towards 0); Low shocks due to lack of blades; Rare maintenance due to low cavity; Very small turbulences in the fluid; It has a low number of changes in the direction of the fluid (compared to rotors with blades); Increased efficiency at low powers.; Fast acceleration; The need for a low torque; Lack of shocks in blades at sudden starts and stops. All these elements are necessary to be able to make a small pump that could be inserted into the thoracic cavity. The pump will be designed to combat myocardial infarction. Because the pump must be inserted in the thoracic cavity, elements such as Low friction forces, shocks as low as possible, low cavitation and as little maintenance as possible are very important. The operation should be performed once, without having to change the rotor after a certain time. Given the very small size of the pump, the blades of a classic rotor would be very thin and sudden starts and stops could cause considerable damage or require a very expensive material. At the same time, being a medical procedure, the low cost is important in order to be easily accessible to the population. The lack of turbulence or vortices caused by a classic rotor is again a key element because when it comes to blood circulation, the flow must be laminar and not turbulent. The turbulent flow can even cause a heart attack. Due to these aspects, Tesla's model could be ideal for this work. Usually, the pump is considered to reach an efficiency of 40% being used for very high powers. However, the author of this type of pump claimed that the maximum efficiency that the pump can achieve is 98%. The key element that could help to achieve this efficiency or one as close as possible is the fact that the pump will be used for low volumes and pressures. The key elements to obtain the best efficiency for this model are the number of rotors placed in parallel and the distance between them. The distance between them must be small, which helps to obtain a pump as small as possible. The principle of operation of such a rotor is to place in several parallel discs cut inside. Thus the space between the discs creates the vacuum effect by pulling the liquid through the holes in the rotor and throwing it outwards. Also, a very important element is the viscosity of the liquid. It dictates the distance between the disks to achieve a lossless power flow. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=lubrication" title="lubrication">lubrication</a>, <a href="https://publications.waset.org/abstracts/search?q=temperature" title=" temperature"> temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=tesla-pump" title=" tesla-pump"> tesla-pump</a>, <a href="https://publications.waset.org/abstracts/search?q=viscosity" title=" viscosity"> viscosity</a> </p> <a href="https://publications.waset.org/abstracts/135536/a-theoretical-approach-of-tesla-pump" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/135536.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">179</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5</span> The Effects of Grape Waste Bioactive Compounds on the Immune Response and Oxidative Stress in Pig Kidney</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mihai%20Palade">Mihai Palade</a>, <a href="https://publications.waset.org/abstracts/search?q=Gina%20Cecilia%20Pistol"> Gina Cecilia Pistol</a>, <a href="https://publications.waset.org/abstracts/search?q=Mariana%20%20Stancu"> Mariana Stancu</a>, <a href="https://publications.waset.org/abstracts/search?q=Veronica%20Chedea"> Veronica Chedea</a>, <a href="https://publications.waset.org/abstracts/search?q=Ionelia%20Taranu"> Ionelia Taranu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nutrition is an important determinant of general health status, with especially focus on prevention and/or attenuation of the inflammatory-associated pathologies. People with chronic kidney disease can experience chronic inflammation that can lead to cardiovascular disease and even an increased rate of death. There are important links between chronic kidney diseases, inflammation and nutritional strategies that may prevent or protect against undesirable inflammation and oxidative stress. The grape by-products either seeds or pomace are rich in polyphenols which may be beneficial in prevention of inflammatory, antioxidant and antimicrobial processes. As a model for studying the impact of grape seeds on renal inflammation and oxidative stress, we used in this study weaned piglets. After a feeding trial of 30 days with a control diet and an experimental diet containing 5% grape seed (GS), kidney samples were collected. In renal tissues were determined the expression and activity of important markers of immune respose and oxidative stress: pro-inflammatory cytokines (TNF-alpha, IL-1 beta, IL-6, IL-8, IFN-gamma), anti-inflammatory cytokines (IL-4, IL-10), anti-oxidant enzymes (catalase CAT, superoxide dismutase SOD, glutathione peroxidise GPx) and important mediators belonging to nuclear receptors (NF-kB1, Nrf-2 and PPAR-gamma). Gene expression was evaluated by qPCR, whereas protein concentration was determined using proteomic techniques (ELISA). The activity of anti-oxidant enzymes was determined using specific kits. Our results showed that GS enriched in polyphenols does not have effect on TNF-alpha, IL-6 and IL-1 beta gene expression and protein concentration in kidney. By contrast, the gene expression and protein level of IL-8 and IFN-gamma were decreased in GS kidney. Anti-inflammatory cytokines IL-4 and IL-10 gene levels were increased in kidneys collected from GS piglets in comparison with controls, with no modification of protein levels between the two groups. The activities of anti-oxidant enzymes CAT and GPx were increased in kidney by GS, whereas SOD activity was unmodified in comparison with control samples. Also, the GS diet was associated with no modulation of mRNAs for nuclear receptors NF-kB1, Nrf-2 and PPAR-gamma gene expressions in kidneys. In conclusion, our results demonstrated that GS enriched in bioactive compounds such polyphenols could modulate inflammation and oxidative stress markers in kidney tissues. Further studies are necessary to elucidate the mechanism of action of GS compounds in case kidney inflammation associated with oxidative stress, and signalling molecules involved in these mechanisms. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=animal%20model" title="animal model">animal model</a>, <a href="https://publications.waset.org/abstracts/search?q=kidney%20inflammation" title=" kidney inflammation"> kidney inflammation</a>, <a href="https://publications.waset.org/abstracts/search?q=oxidative%20stress" title=" oxidative stress"> oxidative stress</a>, <a href="https://publications.waset.org/abstracts/search?q=grape%20seed" title=" grape seed"> grape seed</a> </p> <a href="https://publications.waset.org/abstracts/67598/the-effects-of-grape-waste-bioactive-compounds-on-the-immune-response-and-oxidative-stress-in-pig-kidney" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67598.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">298</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">4</span> Comparative Appraisal of Polymeric Matrices Synthesis and Characterization Based on Maleic versus Itaconic Anhydride and 3,9-Divinyl-2,4,8,10-Tetraoxaspiro[5.5]-Undecane</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Iordana%20Neamtu">Iordana Neamtu</a>, <a href="https://publications.waset.org/abstracts/search?q=Aurica%20P.%20Chiriac"> Aurica P. Chiriac</a>, <a href="https://publications.waset.org/abstracts/search?q=Loredana%20E.%20Nita"> Loredana E. Nita</a>, <a href="https://publications.waset.org/abstracts/search?q=Mihai%20Asandulesa"> Mihai Asandulesa</a>, <a href="https://publications.waset.org/abstracts/search?q=Elena%20Butnaru"> Elena Butnaru</a>, <a href="https://publications.waset.org/abstracts/search?q=Nita%20Tudorachi"> Nita Tudorachi</a>, <a href="https://publications.waset.org/abstracts/search?q=Alina%20Diaconu"> Alina Diaconu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the last decade, the attention of many researchers is focused on the synthesis of innovative “intelligent” copolymer structures with great potential for different uses. This considerable scientific interest is stimulated by possibility of the significant improvements in physical, mechanical, thermal and other important specific properties of these materials. Functionalization of polymer in synthesis by designing a suitable composition with the desired properties and applications is recognized as a valuable tool. In this work is presented a comparative study of the properties of the new copolymers poly(maleic anhydride maleic-co-3,9-divinyl-2,4,8,10-tetraoxaspiro[5.5]undecane) and poly(itaconic-anhydride-co-3,9-divinyl-2,4,8,10-tetraoxaspiro[5.5]undecane) obtained by radical polymerization in dioxane, using 2,2′-azobis(2-methylpropionitrile) as free-radical initiator. The comonomers are able for generating special effects as for example network formation, biodegradability and biocompatibility, gel formation capacity, binding properties, amphiphilicity, good oxidative and thermal stability, good film formers, and temperature and pH sensitivity. Maleic anhydride (MA) and also the isostructural analog itaconic anhydride (ITA) as polyfunctional monomers are widely used in the synthesis of reactive macromolecules with linear, hyperbranched and self & assembled structures to prepare high performance engineering, bioengineering and nano engineering materials. The incorporation of spiroacetal groups in polymer structures improves the solubility and the adhesive properties, induce good oxidative and thermal stability, are formers of good fiber or films with good flexibility and tensile strength. Also, the spiroacetal rings induce interactions on ether oxygen such as hydrogen bonds or coordinate bonds with other functional groups determining bulkiness and stiffness. The synthesized copolymers are analyzed by DSC, oscillatory and rotational rheological measurements and dielectric spectroscopy with the aim of underlying the heating behavior, solution viscosity as a function of shear rate and temperature and to investigate the relaxation processes and the motion of functional groups present in side chain around the main chain or bonds of the side chain. Acknowledgments This work was financially supported by the grant of the Romanian National Authority for Scientific Research, CNCS-UEFISCDI, project number PN-II-132/2014 “Magnetic biomimetic supports as alternative strategy for bone tissue engineering and repair’’ (MAGBIOTISS). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Poly%28maleic%20anhydride-co-3" title="Poly(maleic anhydride-co-3">Poly(maleic anhydride-co-3</a>, <a href="https://publications.waset.org/abstracts/search?q=9-divinyl-2" title=" 9-divinyl-2"> 9-divinyl-2</a>, <a href="https://publications.waset.org/abstracts/search?q=4" title=" 4"> 4</a>, <a href="https://publications.waset.org/abstracts/search?q=8" title=" 8"> 8</a>, <a href="https://publications.waset.org/abstracts/search?q=10-tetraoxaspiro%20%285.5%29undecane%29%3B%20Poly%28itaconic%20anhydride-co-3" title=" 10-tetraoxaspiro (5.5)undecane); Poly(itaconic anhydride-co-3"> 10-tetraoxaspiro (5.5)undecane); Poly(itaconic anhydride-co-3</a>, <a href="https://publications.waset.org/abstracts/search?q=9-divinyl-2" title=" 9-divinyl-2"> 9-divinyl-2</a>, <a href="https://publications.waset.org/abstracts/search?q=4" title=" 4"> 4</a>, <a href="https://publications.waset.org/abstracts/search?q=8" title=" 8"> 8</a>, <a href="https://publications.waset.org/abstracts/search?q=10-tetraoxaspiro%20%285.5%29undecane%29%3B%20DSC%3B%20oscillatory%20and%20rotational%20rheological%20analysis%3B%20dielectric%20spectroscopy" title=" 10-tetraoxaspiro (5.5)undecane); DSC; oscillatory and rotational rheological analysis; dielectric spectroscopy"> 10-tetraoxaspiro (5.5)undecane); DSC; oscillatory and rotational rheological analysis; dielectric spectroscopy</a> </p> <a href="https://publications.waset.org/abstracts/40968/comparative-appraisal-of-polymeric-matrices-synthesis-and-characterization-based-on-maleic-versus-itaconic-anhydride-and-39-divinyl-24810-tetraoxaspiro55-undecane" class="btn btn-primary 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