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Vávra</title> <meta name="description" content="Search results for: Jakub Vávra"> <meta name="keywords" content="Jakub Vávra"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Jakub Vávra"> <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> 61</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Jakub Vávra</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">61</span> Directivity in the Dramatherapeutic Process for People with Addictive Behaviour</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jakub%20V%C3%A1vra">Jakub Vávra</a>, <a href="https://publications.waset.org/abstracts/search?q=Milan%20Valenta"> Milan Valenta</a>, <a href="https://publications.waset.org/abstracts/search?q=Petr%20Kosek"> Petr Kosek</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article presents a perspective on the conduct of the dramatherapy process with persons with addictive behaviours with regard to the directiveness of the process. Although drama therapy as one of the creative arts approaches is rather non-directive in nature, depending on the clientele, there may be a need to structure the process more and, depending on the needs of the clients, to guide the process more directive. The specificity for people with addictive behaviours is discussed through the prism of the dramatherapeutic perspective, where we can find both a psychotherapeutic component as well as a component touching on expression and art, which is rather non-directive in nature. Within the context of practice with clients, this theme has repeatedly emerged and dramatherapists themselves have sought to find ways of coping with clients' demands and needs for structure and guidance within the dramatherapy process. Some of the outcomes from the supervision work also guided the research. Based on this insight, the research questions were approached. The first research question asks: in what ways is directive in dramatherapy manifested and manifested in the process? The second research question then complements the first and asks: to which phenomena are directivity in dramatherapy linked? In relation to the research questions, data were collected using focus groups and field notes. The qualitative approach of Content analysis and Relational analysis was chosen as the methodology. For analyzing qualitative research, we chose an Inductive coding scheme: Open coding, Axial coding, Pattern matching, Member checking, and Creating a coding scheme. In the presented partial research results, we find recurrent schemes related to directive coding in drama therapy. As an important element, directive leadership emerges in connection with safety for the client group, then in connection with the clients' order and also the department of the facility, and last but not least, to the personality of the drama therapist. By careful analysis and looking for patterns in the research results, we can see connections that are impossible to interpret at this stage but already provide clues to our understanding of the topic and open up further avenues for research in this area. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dramatherapy" title="dramatherapy">dramatherapy</a>, <a href="https://publications.waset.org/abstracts/search?q=directivity" title=" directivity"> directivity</a>, <a href="https://publications.waset.org/abstracts/search?q=personal%20approach" title=" personal approach"> personal approach</a>, <a href="https://publications.waset.org/abstracts/search?q=aims%20of%20dramatherapy%20process" title=" aims of dramatherapy process"> aims of dramatherapy process</a>, <a href="https://publications.waset.org/abstracts/search?q=safetyness" title=" safetyness"> safetyness</a> </p> <a href="https://publications.waset.org/abstracts/167768/directivity-in-the-dramatherapeutic-process-for-people-with-addictive-behaviour" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167768.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">69</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">60</span> Review of the Software Used for 3D Volumetric Reconstruction of the Liver</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=P.%20Strakos">P. Strakos</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Jaros"> M. Jaros</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Karasek"> T. Karasek</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Kozubek"> T. Kozubek</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Vavra"> P. Vavra</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Jonszta"> T. Jonszta</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In medical imaging, segmentation of different areas of human body like bones, organs, tissues, etc. is an important issue. Image segmentation allows isolating the object of interest for further processing that can lead for example to 3D model reconstruction of whole organs. Difficulty of this procedure varies from trivial for bones to quite difficult for organs like liver. The liver is being considered as one of the most difficult human body organ to segment. It is mainly for its complexity, shape versatility and proximity of other organs and tissues. Due to this facts usually substantial user effort has to be applied to obtain satisfactory results of the image segmentation. Process of image segmentation then deteriorates from automatic or semi-automatic to fairly manual one. In this paper, overview of selected available software applications that can handle semi-automatic image segmentation with further 3D volume reconstruction of human liver is presented. The applications are being evaluated based on the segmentation results of several consecutive DICOM images covering the abdominal area of the human body. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=image%20segmentation" title="image segmentation">image segmentation</a>, <a href="https://publications.waset.org/abstracts/search?q=semi-automatic" title=" semi-automatic"> semi-automatic</a>, <a href="https://publications.waset.org/abstracts/search?q=software" title=" software"> software</a>, <a href="https://publications.waset.org/abstracts/search?q=3D%20volumetric%20reconstruction" title=" 3D volumetric reconstruction"> 3D volumetric reconstruction</a> </p> <a href="https://publications.waset.org/abstracts/23701/review-of-the-software-used-for-3d-volumetric-reconstruction-of-the-liver" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23701.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">290</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">59</span> New Evaluation Methodology for Solidification Product Durability Assessment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bozena%20Dohnalkova">Bozena Dohnalkova</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Hodul"> Jakub Hodul</a>, <a href="https://publications.waset.org/abstracts/search?q=Rostislav%20Drochytka"> Rostislav Drochytka</a>, <a href="https://publications.waset.org/abstracts/search?q=Jana%20Kosikova"> Jana Kosikova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper deals with a proposal of a new methodology for durability assessment of solidification product for its safe further use. The new methodology is based on a review of the current state of assessment of treated waste in Czech Republic and abroad. The aim of the paper is to propose an optimal evaluation methodology for verifying properties of solidification product to ensure its safe further use in building industry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=solidification" title="solidification">solidification</a>, <a href="https://publications.waset.org/abstracts/search?q=stabilization" title=" stabilization"> stabilization</a>, <a href="https://publications.waset.org/abstracts/search?q=durability" title=" durability"> durability</a>, <a href="https://publications.waset.org/abstracts/search?q=waste" title=" waste"> waste</a> </p> <a href="https://publications.waset.org/abstracts/10833/new-evaluation-methodology-for-solidification-product-durability-assessment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10833.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">429</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">58</span> The Role of the Municipal Executive in the Process of Creating a Smart City</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Bryla">Jakub Bryla</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cities are now seen as business entities, and their executive body is similar to a chief executive officer. However, it is not enough for the legal system to provide a strong role for the executive branch. It seems that the authority must take the form of a managerial body. This solution answers the demands of smart governance, which in such a regulated relation between the unit head and the city see a guarantee of reliable implementation of the municipal strategy proposed during the recruitment and of the motivation to carry out statutory tasks to communes and their residents. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=smart%20cities" title="smart cities">smart cities</a>, <a href="https://publications.waset.org/abstracts/search?q=local%20government" title=" local government"> local government</a>, <a href="https://publications.waset.org/abstracts/search?q=executive%20organ" title=" executive organ"> executive organ</a>, <a href="https://publications.waset.org/abstracts/search?q=municipality" title=" municipality"> municipality</a>, <a href="https://publications.waset.org/abstracts/search?q=city%20management" title=" city management"> city management</a> </p> <a href="https://publications.waset.org/abstracts/162742/the-role-of-the-municipal-executive-in-the-process-of-creating-a-smart-city" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162742.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">82</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">57</span> The New Approach to Airport Emergency Plans</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Kraus">Jakub Kraus</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladim%C3%ADr%20Plos"> Vladimír Plos</a>, <a href="https://publications.waset.org/abstracts/search?q=Peter%20Vittek"> Peter Vittek</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article deals with a new approach to the airport emergency plans, which are the basic documents and manuals for dealing with events with impact on safety or security. The article describes the identified parts in which the current airport emergency plans do not fulfill their role and which should therefore be considered in the creation of corrective measures. All these issues have been identified at airports in the Czech Republic and confirmed at airports in neighboring countries. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=airport%20emergency%20plan" title="airport emergency plan">airport emergency plan</a>, <a href="https://publications.waset.org/abstracts/search?q=aviation%20safety" title=" aviation safety"> aviation safety</a>, <a href="https://publications.waset.org/abstracts/search?q=aviation%20security" title=" aviation security"> aviation security</a>, <a href="https://publications.waset.org/abstracts/search?q=comprehensive%20management%20system" title=" comprehensive management system"> comprehensive management system</a> </p> <a href="https://publications.waset.org/abstracts/12640/the-new-approach-to-airport-emergency-plans" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/12640.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">511</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">56</span> Vacancy-Driven Magnetism of GdMnO₃</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mat%C3%BA%C5%A1%20Mihalik">Matúš Mihalik</a>, <a href="https://publications.waset.org/abstracts/search?q=Martin%20Vavra"> Martin Vavra</a>, <a href="https://publications.waset.org/abstracts/search?q=Kornel%20Csach"> Kornel Csach</a>, <a href="https://publications.waset.org/abstracts/search?q=Mari%C3%A1n%20Mihalik"> Marián Mihalik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> GdMnO₃ belongs to orthorhombically distorted, GdFeO₃-type family of perovskite compounds. These compounds are naturally vacant and the amount of vacancies depend on the sample preparation conditions. Our GdMnO₃ samples were prepared by float zone method and the vacancies were controlled using an air, Ar and O₂ preparation atmosphere. The highest amount of vacancies was found for sample prepared in Ar atmosphere, while the sample prepared in O₂ was observed to be almost vacancy-free. The magnetic measurements indicate that the preparation atmosphere has no impact on Néel temperature (TN ~ 42 K), however, it has strong impact on the incommensurate antiferromagnetic (IC) to canted A-type weak ferromagnetic (AWF) phase transition at T1: T1 = 23.4 K; 18 K and 6.7 K for samples prepared in Ar; air and O₂ atmosphere; respectively. The hysteresis loop measured at 2 K has a butterfly-type shape with the remnant magnetization (Mr) of 0.6 µB/f.u. for Ar and air sample, while Mr = 0.3 µB/f.u. for O₂ sample. The shape of the hysteresis loop depends on the preparation atmosphere in magnetic fields up to 1.5 T, but is independent for higher magnetic fields. The coercive field of less than 0.06 T and the maximum magnetic moment of 6 µB/f.u. at magnetic field µ0H = 7 T do not depend on the preparation atmosphere. All these findings indicate that only AWF phase of GdMnO₃ compound is directly affected by the vacancies in the system, while IC phase and the field induced ferroelectric phase are not affected. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=magnetism" title="magnetism">magnetism</a>, <a href="https://publications.waset.org/abstracts/search?q=perovskites" title=" perovskites"> perovskites</a>, <a href="https://publications.waset.org/abstracts/search?q=sample%20preparation" title=" sample preparation"> sample preparation</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20phase%20transition" title=" magnetic phase transition"> magnetic phase transition</a> </p> <a href="https://publications.waset.org/abstracts/155808/vacancy-driven-magnetism-of-gdmno3" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/155808.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">110</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">55</span> Fragile States as the Fertile Ground for Non-State Actors: Colombia and Somalia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Giorgi%20Goguadze">Giorgi Goguadze</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Zaj%C4%85czkowski"> Jakub Zajączkowski</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper is written due to overview the connection between fragile states and non-state actors, we should take into account that fragile states may vary from weak, failing and failed. In this paper we will discuss about two countries, one of them is weak (Colombia/ second one is already failed- Somalia. We will try to understand what feeds ill non-state actors such as: terrorist organizations, criminal entities and other cells in these countries, what threats are they representing and how to eliminate these dangers in both national and international scope. This paper is mainly based on literature overview and personal attitude and doesn’t claim to be in scientific chain. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fragile%20States" title="fragile States">fragile States</a>, <a href="https://publications.waset.org/abstracts/search?q=terrorism" title=" terrorism"> terrorism</a>, <a href="https://publications.waset.org/abstracts/search?q=tribalism" title=" tribalism"> tribalism</a>, <a href="https://publications.waset.org/abstracts/search?q=Somalia" title=" Somalia"> Somalia</a> </p> <a href="https://publications.waset.org/abstracts/29056/fragile-states-as-the-fertile-ground-for-non-state-actors-colombia-and-somalia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29056.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">367</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">54</span> Theoretical and Experimental Investigation of Fe and Ni-TCNQ on Graphene</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=A.%20Shahsavar">A. Shahsavar</a>, <a href="https://publications.waset.org/abstracts/search?q=Z.%20Jakub"> Z. Jakub</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Due to the outstanding properties of the 2D metal-organic frameworks (MOF), intensive computational and experimental studies have been done. However, the lack of fundamental studies of MOFs on the graphene backbone is observed. This work studies Fe and Ni as metal and tetracyanoquinodimethane (TCNQ) with a high electron affinity as an organic linker functionalized on graphene. Here we present DFT calculations results to unveil the electronic and magnetic properties of iron and nickel-TCNQ physisorbed on graphene. Adsorption and Fermi energies, structural, and magnetic properties will be reported. Our experimental observations prove Fe- and NiTCNQ@Gr/Ir(111) are thermally highly stable up to 500 and 250°C, respectively, making them promising materials for single-atom catalysts or high-density storage media. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=DFT" title="DFT">DFT</a>, <a href="https://publications.waset.org/abstracts/search?q=graphene" title=" graphene"> graphene</a>, <a href="https://publications.waset.org/abstracts/search?q=MTCNQ" title=" MTCNQ"> MTCNQ</a>, <a href="https://publications.waset.org/abstracts/search?q=self-assembly" title=" self-assembly"> self-assembly</a> </p> <a href="https://publications.waset.org/abstracts/151583/theoretical-and-experimental-investigation-of-fe-and-ni-tcnq-on-graphene" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/151583.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">132</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">53</span> Investigation of the GFR2400 Reactivity Control System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J%C3%A1n%20Ha%C5%A1%C4%8D%C3%ADk">Ján Haščík</a>, <a href="https://publications.waset.org/abstracts/search?q=%C5%A0tefan%20%C4%8Cerba"> Štefan Čerba</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20L%C3%BCley"> Jakub Lüley</a>, <a href="https://publications.waset.org/abstracts/search?q=Branislav%20Vrban"> Branislav Vrban</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The presented paper is related to the design methods and neutronic characterization of the reactivity control system in the large power unit of Generation IV Gas cooled Fast Reactor – GFR2400. The reactor core is based on carbide pin fuel type with the application of refractory metallic liners used to enhance the fission product retention of the SiC cladding. The heterogeneous design optimization of control rod is presented and the results of rods worth and their interferences in a core are evaluated. In addition, the idea of reflector removal as an additive reactivity management option is investigated and briefly described. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=control%20rods%20design" title="control rods design">control rods design</a>, <a href="https://publications.waset.org/abstracts/search?q=GFR2400" title=" GFR2400"> GFR2400</a>, <a href="https://publications.waset.org/abstracts/search?q=hot%20spot" title=" hot spot"> hot spot</a>, <a href="https://publications.waset.org/abstracts/search?q=movable%20reflector" title=" movable reflector"> movable reflector</a>, <a href="https://publications.waset.org/abstracts/search?q=reactivity" title=" reactivity "> reactivity </a> </p> <a href="https://publications.waset.org/abstracts/9596/investigation-of-the-gfr2400-reactivity-control-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9596.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">437</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">52</span> “Friction Surfaces” of Airport Emergency Plan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Kraus">Jakub Kraus</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladim%C3%ADr%20Plos"> Vladimír Plos</a>, <a href="https://publications.waset.org/abstracts/search?q=Peter%20Vittek"> Peter Vittek</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article focuses on the issue of airport emergency plans, which are documents describing reactions to events with impact on aviation safety or aviation security. The article specifically focuses on the use and creation of emergency plans, where could be found a number of disagreements between different stakeholders, for which the airport emergency plan applies. Those are the friction surfaces of interfaces, which is necessary to identify and ensure them smooth process to avoid dangerous situations or delay. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=airport%20emergency%20plan" title="airport emergency plan">airport emergency plan</a>, <a href="https://publications.waset.org/abstracts/search?q=aviation%20safety" title=" aviation safety"> aviation safety</a>, <a href="https://publications.waset.org/abstracts/search?q=aviation%20security" title=" aviation security"> aviation security</a>, <a href="https://publications.waset.org/abstracts/search?q=comprehensive%20management%20system" title=" comprehensive management system"> comprehensive management system</a>, <a href="https://publications.waset.org/abstracts/search?q=friction%20surfaces%20of%20airport%20emergency%20plan" title=" friction surfaces of airport emergency plan"> friction surfaces of airport emergency plan</a>, <a href="https://publications.waset.org/abstracts/search?q=interfaces%20of%20processes" title=" interfaces of processes"> interfaces of processes</a> </p> <a href="https://publications.waset.org/abstracts/29708/friction-surfaces-of-airport-emergency-plan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29708.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">519</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">51</span> Nanofibrous Ion Exchangers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jarom%C3%ADr%20Marek">Jaromír Marek</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Wiener"> Jakub Wiener</a>, <a href="https://publications.waset.org/abstracts/search?q=Yan%20Wang"> Yan Wang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main goal of this study was to find simple and industrially applicable production of ion exchangers based on nanofibrous polystyrene matrix and characterization of prepared material. Starting polystyrene nanofibers were sulfonated and crosslinked under appropriate conditions at the same time by sulfuric acid. Strongly acidic cation exchanger was obtained in such a way. The polymer matrix was made from polystyrene nanofibers prepared by Nanospider technology. Various types postpolymerization reactions and other methods of crosslinking were studied. Greatly different behavior between nano and microsize materials was observed. The final nanofibrous material was characterized and compared to common granular ion exchangers and available microfibrous ion exchangers. The sorption properties of nanofibrous ion exchangers were compared with the granular ion exchangers. For nanofibrous ion exchangers of comparable ion exchange capacity was observed considerably faster adsorption kinetics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electrospinning" title="electrospinning">electrospinning</a>, <a href="https://publications.waset.org/abstracts/search?q=ion%20exchangers" title=" ion exchangers"> ion exchangers</a>, <a href="https://publications.waset.org/abstracts/search?q=nanofibers" title=" nanofibers"> nanofibers</a>, <a href="https://publications.waset.org/abstracts/search?q=polystyrene" title=" polystyrene"> polystyrene</a> </p> <a href="https://publications.waset.org/abstracts/7821/nanofibrous-ion-exchangers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/7821.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">257</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">50</span> Brain-Motor Disablement: Using Virtual Reality-Based Therapeutic Simulations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vince%20Macri">Vince Macri</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Petioky"> Jakub Petioky</a>, <a href="https://publications.waset.org/abstracts/search?q=Paul%20Zilber"> Paul Zilber</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Virtual-reality-based technology, i.e. video-game-like simulations (collectively, VRSims) are used in therapy for a variety of medical conditions. The purpose of this paper is to contribute to a discussion on criteria for selecting VRSims to augment treatment of survivors of acquired brain injury. Specifically, for treatments to improve or restore brain motor function in upper extremities affected by paresis or paralysis. Six uses of virtual reality are reviewed video games for entertainment, training simulations, unassisted or device-assisted movements of affected or unaffected extremities displayed in virtual environments and virtual anatomical interactivity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acquired%20brain%20injury" title="acquired brain injury">acquired brain injury</a>, <a href="https://publications.waset.org/abstracts/search?q=brain-motor%20function" title=" brain-motor function"> brain-motor function</a>, <a href="https://publications.waset.org/abstracts/search?q=virtual%20anatomical%20interactivity" title=" virtual anatomical interactivity"> virtual anatomical interactivity</a>, <a href="https://publications.waset.org/abstracts/search?q=therapeutic%20simulations" title=" therapeutic simulations "> therapeutic simulations </a> </p> <a href="https://publications.waset.org/abstracts/29311/brain-motor-disablement-using-virtual-reality-based-therapeutic-simulations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/29311.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">588</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">49</span> Crushing Analysis of Foam-Filled Thin-Walled Aluminum Profiles Subjected to Axial Loading</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Micha%C5%82%20Rogala">Michał Rogala</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Gajewski"> Jakub Gajewski</a> </p> <p class="card-text"><strong>Abstract:</strong></p> As the automotive industry develops, passive safety is becoming an increasingly important aspect when designing motor vehicles. A commonly used solution is energy absorption by thin-walled construction. One such structure is a closed thin-walled profile fixed to the vehicle stringers. The article presents numerical tests of conical thin-walled profiles filled with aluminum foam. The columns were loaded axially with constant energy. On the basis of the results obtained, efficiency indicators were calculated. The efficiency of the foam filling was evaluated. Artificial neural networks were used for data analysis. The application of regression analysis was used as a tool to study the relationship between the quantities characteristic of the dynamic crush. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aluminium%20foam" title="aluminium foam">aluminium foam</a>, <a href="https://publications.waset.org/abstracts/search?q=crashworthiness" title=" crashworthiness"> crashworthiness</a>, <a href="https://publications.waset.org/abstracts/search?q=neural%20networks" title=" neural networks"> neural networks</a>, <a href="https://publications.waset.org/abstracts/search?q=thin-walled%20structure" title=" thin-walled structure"> thin-walled structure</a> </p> <a href="https://publications.waset.org/abstracts/128809/crushing-analysis-of-foam-filled-thin-walled-aluminum-profiles-subjected-to-axial-loading" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/128809.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">146</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">48</span> Simulation-Based Unmanned Surface Vehicle Design Using PX4 and Robot Operating System With Kubernetes and Cloud-Native Tooling</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Norbert%20Szulc">Norbert Szulc</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Wilk"> Jakub Wilk</a>, <a href="https://publications.waset.org/abstracts/search?q=Franciszek%20G%C3%B3rski"> Franciszek Górski</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents an approach for simulating and testing robotic systems based on PX4, using a local Kubernetes cluster. The approach leverages modern cloud-native tools and runs on single-board computers. Additionally, this solution enables the creation of datasets for computer vision and the evaluation of control system algorithms in an end-to-end manner. This paper compares this approach to method commonly used Docker based approach. This approach was used to develop simulation environment for an unmanned surface vehicle (USV) for RoboBoat 2023 by running a containerized configuration of the PX4 Open-source Autopilot connected to ROS and the Gazebo simulation environment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cloud%20computing" title="cloud computing">cloud computing</a>, <a href="https://publications.waset.org/abstracts/search?q=Kubernetes" title=" Kubernetes"> Kubernetes</a>, <a href="https://publications.waset.org/abstracts/search?q=single%20board%20computers" title=" single board computers"> single board computers</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=ROS" title=" ROS"> ROS</a> </p> <a href="https://publications.waset.org/abstracts/163529/simulation-based-unmanned-surface-vehicle-design-using-px4-and-robot-operating-system-with-kubernetes-and-cloud-native-tooling" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163529.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">76</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">47</span> SEC-MALLS Study of Hyaluronic Acid and BSA Thermal Degradation in Powder and in Solution</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vasile%20Simulescu">Vasile Simulescu</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Mondek"> Jakub Mondek</a>, <a href="https://publications.waset.org/abstracts/search?q=Miloslav%20Peka%C5%99"> Miloslav Pekař</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Hyaluronic acid (HA) is an anionic glycosaminoglycan distributed throughout connective, epithelial and neural tissues. The importance of hyaluronic acid increased in the last decades. It has many applications in medicine and cosmetics. Hyaluronic acid has been used in attempts to treat osteoarthritis of the knee via injecting it into the joint. Bovine serum albumin (also known as BSA) is a protein derived from cows, which has many biochemical applications. The aim of our research work was to compare the thermal degradation of hyaluronic acid and BSA in powder and in solution, by determining changes in molar mass and conformation, by using SEC-MALLS (size exclusion chromatography -multi angle laser light scattering). The aim of our research work was to observe the degradation in powder and in solution of different molar mass hyaluronic acid samples, at different temperatures for certain periods. The degradation of the analyzed samples was mainly observed by modifications in molar mass. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=thermal%20degradation" title="thermal degradation">thermal degradation</a>, <a href="https://publications.waset.org/abstracts/search?q=hyaluronic%20acid" title=" hyaluronic acid"> hyaluronic acid</a>, <a href="https://publications.waset.org/abstracts/search?q=BSA" title=" BSA"> BSA</a>, <a href="https://publications.waset.org/abstracts/search?q=SEC-MALLS" title=" SEC-MALLS"> SEC-MALLS</a> </p> <a href="https://publications.waset.org/abstracts/20733/sec-malls-study-of-hyaluronic-acid-and-bsa-thermal-degradation-in-powder-and-in-solution" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20733.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">505</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">46</span> The Effect of Biochar, Inoculated Biochar and Compost Biological Component of the Soil</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Helena%20Dvo%C5%99%C3%A1%C4%8Dkov%C3%A1">Helena Dvořáčková</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikajlo%20Irina"> Mikajlo Irina</a>, <a href="https://publications.waset.org/abstracts/search?q=Z%C3%A1hora%20Jaroslav"> Záhora Jaroslav</a>, <a href="https://publications.waset.org/abstracts/search?q=Elbl%20Jakub"> Elbl Jakub</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Biochar can be produced from the waste matter and its application has been associated with returning of carbon in large amounts into the soil. The impacts of this material on physical and chemical properties of soil have been described. The biggest part of the research work is dedicated to the hypothesis of this material’s toxic effects on the soil life regarding its effect on the soil biological component. At present, it has been worked on methods which could eliminate these undesirable properties of biochar. One of the possibilities is to mix biochar with organic material, such as compost, or focusing on the natural processes acceleration in the soil. In the experiment has been used as the addition of compost as well as the elimination of toxic substances by promoting microbial activity in aerated water environment. Biochar was aerated for 7 days in a container with a volume of 20 l. This way modified biochar had six times higher biomass production and reduce mineral nitrogen leaching. Better results have been achieved by mixing biochar with compost. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=leaching%20of%20nitrogen" title="leaching of nitrogen">leaching of nitrogen</a>, <a href="https://publications.waset.org/abstracts/search?q=soil" title=" soil"> soil</a>, <a href="https://publications.waset.org/abstracts/search?q=biochar" title=" biochar"> biochar</a>, <a href="https://publications.waset.org/abstracts/search?q=compost" title=" compost"> compost</a> </p> <a href="https://publications.waset.org/abstracts/42873/the-effect-of-biochar-inoculated-biochar-and-compost-biological-component-of-the-soil" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42873.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">329</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">45</span> Using Machine Learning to Monitor the Condition of the Cutting Edge during Milling Hardened Steel</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pawel%20Twardowski">Pawel Twardowski</a>, <a href="https://publications.waset.org/abstracts/search?q=Maciej%20Tabaszewski"> Maciej Tabaszewski</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Czy%C5%BCycki"> Jakub Czyżycki</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main goal of the work was to use machine learning to predict cutting-edge wear. The research was carried out while milling hardened steel with sintered carbide cutters at various cutting speeds. During the tests, cutting-edge wear was measured, and vibration acceleration signals were also measured. Appropriate measures were determined from the vibration signals and served as input data in the machine-learning process. Two approaches were used in this work. The first one involved a two-state classification of the cutting edge - suitable and unfit for further work. In the second approach, prediction of the cutting-edge state based on vibration signals was used. The obtained research results show that the appropriate use of machine learning algorithms gives excellent results related to monitoring cutting edge during the process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=milling%20of%20hardened%20steel" title="milling of hardened steel">milling of hardened steel</a>, <a href="https://publications.waset.org/abstracts/search?q=tool%20wear" title=" tool wear"> tool wear</a>, <a href="https://publications.waset.org/abstracts/search?q=vibrations" title=" vibrations"> vibrations</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a> </p> <a href="https://publications.waset.org/abstracts/185240/using-machine-learning-to-monitor-the-condition-of-the-cutting-edge-during-milling-hardened-steel" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/185240.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">59</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">44</span> Effect of Superabsorbent for the Improvement of Car Seat's Thermal Comfort</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Funda%20Buyuk%20Mazari">Funda Buyuk Mazari</a>, <a href="https://publications.waset.org/abstracts/search?q=Adnan%20Mazari"> Adnan Mazari</a>, <a href="https://publications.waset.org/abstracts/search?q=Antonin%20Havelka"> Antonin Havelka</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Wiener"> Jakub Wiener</a>, <a href="https://publications.waset.org/abstracts/search?q=Jawad%20Naeem"> Jawad Naeem</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The use of super absorbent polymers (SAP) for moisture absorption and comfort is still unexplored. In this research the efficiency of different SAP fibrous webs are determined under different moisture percentage to examine the sorption and desorption efficiency. The SAP fibrous web with low thickness and high moisture absorption are tested with multilayer sandwich structure of car seat cover to determine the moisture absorption through cover material. Sweating guarded hot plate (SGHP) from company Atlas is used to determine the moisture permeability of different car seat cover with superabsorbent layer closed with impermeable polyurethane foam. It is observed that the SAP fibrous layers are very effective in absorbing and desorbing water vapor under extreme high and low moisture percentages respectively. In extreme humid condition (95 %RH) the 20g of SAP layer absorbs nearly 3g of water vapor per hour and reaches the maximum absorption capacity in 6 hours. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=car%20seat" title="car seat">car seat</a>, <a href="https://publications.waset.org/abstracts/search?q=comfort" title=" comfort"> comfort</a>, <a href="https://publications.waset.org/abstracts/search?q=SAF" title=" SAF"> SAF</a>, <a href="https://publications.waset.org/abstracts/search?q=superabsorbent" title=" superabsorbent"> superabsorbent</a> </p> <a href="https://publications.waset.org/abstracts/43231/effect-of-superabsorbent-for-the-improvement-of-car-seats-thermal-comfort" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43231.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">476</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">43</span> Influence of Replacement used Reference Coordinate System for Georeferencing of the Old Map of Europe</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Havlicek">Jakub Havlicek</a>, <a href="https://publications.waset.org/abstracts/search?q=Jiri%20Cajthaml"> Jiri Cajthaml</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The article describes the effect of the replacement of the used reference coordinate system in the georeferencing of an old map of Europe. In particular, it was the map entitled “Europe, the Map of Rivers and Mountains on a 1 : 12 000 000 Scale”, elaborated by professor D. Cipera and Dr. J. Metelka for Otto’s Geographic Atlas of 1924. The work was most likely produced using the equal-area conic (Albers) projection. The map was georeferenced into three types of projection – the equal-area conic, cylindrical Plate Carrée and cylindrical Mercator map projection. The map was georeferenced by means of the affine and the second-order polynomial transformation. The resulting georeferenced raster datasets from the Plate Carrée and Mercator projection were projected into the equal-area conic projection by means of projection equations. The output is the comparison of drawn graphics, the magnitude of standard deviations for individual projections and types of transformation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=georeferencing" title="georeferencing">georeferencing</a>, <a href="https://publications.waset.org/abstracts/search?q=reference%20coordinate%20system" title=" reference coordinate system"> reference coordinate system</a>, <a href="https://publications.waset.org/abstracts/search?q=transformation" title=" transformation"> transformation</a>, <a href="https://publications.waset.org/abstracts/search?q=standard%20deviation" title=" standard deviation"> standard deviation</a> </p> <a href="https://publications.waset.org/abstracts/27471/influence-of-replacement-used-reference-coordinate-system-for-georeferencing-of-the-old-map-of-europe" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27471.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">348</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">42</span> Lego Mindstorms as a Simulation of Robotic Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Miroslav%20Popelka">Miroslav Popelka</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20No%C5%BEi%C4%8Dka"> Jakub Nožička</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper we deal with using Lego Mindstorms in simulation of robotic systems with respect to cost reduction. Lego Mindstorms kit contains broad variety of hardware components which are required to simulate, program and test the robotics systems in practice. Algorithm programming went in development environment supplied together with Lego kit as in programming language C# as well. Algorithm following the line, which we dealt with in this paper, uses theoretical findings from area of controlling circuits. PID controller has been chosen as controlling circuit whose individual components were experimentally adjusted for optimal motion of robot tracking the line. Data which are determined to process by algorithm are collected by sensors which scan the interface between black and white surfaces followed by robot. Based on discovered facts Lego Mindstorms can be considered for low-cost and capable kit to simulate real robotics systems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=LEGO%20Mindstorms" title="LEGO Mindstorms">LEGO Mindstorms</a>, <a href="https://publications.waset.org/abstracts/search?q=PID%20controller" title=" PID controller"> PID controller</a>, <a href="https://publications.waset.org/abstracts/search?q=low-cost%20robotics%20systems" title=" low-cost robotics systems"> low-cost robotics systems</a>, <a href="https://publications.waset.org/abstracts/search?q=line%20follower" title=" line follower"> line follower</a>, <a href="https://publications.waset.org/abstracts/search?q=sensors" title=" sensors"> sensors</a>, <a href="https://publications.waset.org/abstracts/search?q=programming%20language%20C%23" title=" programming language C#"> programming language C#</a>, <a href="https://publications.waset.org/abstracts/search?q=EV3%20Home%20Edition%20Software" title=" EV3 Home Edition Software"> EV3 Home Edition Software</a> </p> <a href="https://publications.waset.org/abstracts/10889/lego-mindstorms-as-a-simulation-of-robotic-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10889.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">375</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">41</span> Pressure Losses on Realistic Geometry of Tracheobronchial Tree</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Michaela%20Chovancova">Michaela Chovancova</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Elcner"> Jakub Elcner</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Real bronchial tree is very complicated piping system. Analysis of flow and pressure losses in this system is very difficult. Due to the complex geometry and the very small size in the lower generations is examination by CFD possible only in the central part of bronchial tree. For specify the pressure losses of lower generations is necessary to provide a mathematical equation. Determination of mathematical formulas for calculating the pressure losses in the real lungs is due to its complexity and diversity lengthy and inefficient process. For these calculations is necessary the lungs to slightly simplify (same cross-section over the length of individual generation) or use one of the models of lungs. The simplification could cause deviations from real values. The article compares the values of pressure losses obtained from CFD simulation of air flow in the central part of the real bronchial tree with the values calculated in a slightly simplified real lungs by using a mathematical relationship derived from the Bernoulli equation and continuity equation. Then, evaluate the desirability of using this formula to determine the pressure loss across the bronchial tree. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pressure%20gradient" title="pressure gradient">pressure gradient</a>, <a href="https://publications.waset.org/abstracts/search?q=airways%20resistance" title=" airways resistance"> airways resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=real%20geometry%20of%20bronchial%20tree" title=" real geometry of bronchial tree"> real geometry of bronchial tree</a>, <a href="https://publications.waset.org/abstracts/search?q=breathing" title=" breathing"> breathing</a> </p> <a href="https://publications.waset.org/abstracts/27498/pressure-losses-on-realistic-geometry-of-tracheobronchial-tree" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27498.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">323</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">40</span> 2D-Modeling with Lego Mindstorms</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Miroslav%20Popelka">Miroslav Popelka</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Nozicka"> Jakub Nozicka</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The whole work is based on possibility to use Lego Mindstorms robotics systems to reduce costs. Lego Mindstorms consists of a wide variety of hardware components necessary to simulate, programme and test of robotics systems in practice. To programme algorithm, which simulates space using the ultrasonic sensor, was used development environment supplied with kit. Software Matlab was used to render values afterwards they were measured by ultrasonic sensor. The algorithm created for this paper uses theoretical knowledge from area of signal processing. Data being processed by algorithm are collected by ultrasonic sensor that scans 2D space in front of it. Ultrasonic sensor is placed on moving arm of robot which provides horizontal moving of sensor. Vertical movement of sensor is provided by wheel drive. The robot follows map in order to get correct positioning of measured data. Based on discovered facts it is possible to consider Lego Mindstorm for low-cost and capable kit for real-time modelling. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=LEGO%20Mindstorms" title="LEGO Mindstorms">LEGO Mindstorms</a>, <a href="https://publications.waset.org/abstracts/search?q=ultrasonic%20sensor" title=" ultrasonic sensor"> ultrasonic sensor</a>, <a href="https://publications.waset.org/abstracts/search?q=real-time%20modeling" title=" real-time modeling"> real-time modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=2D%20object" title=" 2D object"> 2D object</a>, <a href="https://publications.waset.org/abstracts/search?q=low-cost%20robotics%20systems" title=" low-cost robotics systems"> low-cost robotics systems</a>, <a href="https://publications.waset.org/abstracts/search?q=sensors" title=" sensors"> sensors</a>, <a href="https://publications.waset.org/abstracts/search?q=Matlab" title=" Matlab"> Matlab</a>, <a href="https://publications.waset.org/abstracts/search?q=EV3%20Home%20Edition%20Software" title=" EV3 Home Edition Software "> EV3 Home Edition Software </a> </p> <a href="https://publications.waset.org/abstracts/10888/2d-modeling-with-lego-mindstorms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10888.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">473</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">39</span> New Possibilities for Testing UX and UI Design on Mobile Devices</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Ber%C4%8D%C3%ADk">Jakub Berčík</a>, <a href="https://publications.waset.org/abstracts/search?q=Anna%20Mravcov%C3%A1"> Anna Mravcová</a>, <a href="https://publications.waset.org/abstracts/search?q=Jana%20G%C3%A1lov%C3%A1"> Jana Gálová</a>, <a href="https://publications.waset.org/abstracts/search?q=Katar%C3%ADna%20Neom%C3%A1niov%C3%A1"> Katarína Neomániová</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In an era when everything is increasingly digital, consumers are always looking for new options in solutions to their everyday needs. In this context, mobile apps are developing at an exponential pace. One of the fastest growing segments of mobile technologies is, obviously, e-commerce. It can be predicted that mobile commerce will record nearly three times the global growth of e-commerce across all platforms, which indicates its importance in the given segment. The current coronavirus pandemic is also changing many of the existing paradigms both socially, economically, and technologically, which has a major impact on changing consumer behaviour and the emphasis on simplification and clarity of mobile solutions. This is the area that user experience (UX) and user interface (UI) designers deal with. Their task is to design a sufficiently attractive and interesting solution that will be available on all mobile devices and at the same time will be easy enough for the customer/visitor to get to the destination or to get the necessary information in a few clicks. The basis for changes in UX design can now be obtained not only through online analytical tools but also through neuromarketing, especially in the case of mobile devices. The paper highlights new possibilities for testing UX design applications on mobile devices using a special platform that combines a stationary eye camera (eye tracking) and facial analysis (facial coding). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=emotions" title="emotions">emotions</a>, <a href="https://publications.waset.org/abstracts/search?q=mobile%20design" title=" mobile design"> mobile design</a>, <a href="https://publications.waset.org/abstracts/search?q=user%20experience" title=" user experience"> user experience</a>, <a href="https://publications.waset.org/abstracts/search?q=visual%20attention" title=" visual attention"> visual attention</a> </p> <a href="https://publications.waset.org/abstracts/144168/new-possibilities-for-testing-ux-and-ui-design-on-mobile-devices" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/144168.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">127</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">38</span> Effect of PGPB Inoculation, Addition of Biochar and Mineral N Fertilization on Mycorrhizal Colonization</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Irina%20Mikajlo">Irina Mikajlo</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaroslav%20Z%C3%A1hora"> Jaroslav Záhora</a>, <a href="https://publications.waset.org/abstracts/search?q=Helena%20Dvo%C5%99%C3%A1%C4%8Dkov%C3%A1"> Helena Dvořáčková</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaroslav%20Hyn%C5%A1t"> Jaroslav Hynšt</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Elbl"> Jakub Elbl</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Strong anthropogenic impact has uncontrolled consequences on the nature of the soil. Hence, up-to-date sustainable methods of soil state improvement are essential. Investigators provide the evidence that biochar can positively effects physical, chemical and biological soil properties and the abundance of mycorrhizal fungi which are in the focus of this study. The main aim of the present investigation is to demonstrate the effect of two types of plant growth promoting bacteria (PGPB) inoculums along with the beech wood biochar and mineral N additives on mycorrhizal colonization. Experiment has been set up in laboratory conditions with containers filled with arable soil from the protection zone of the main water source ‘Brezova nad Svitavou’. Lactuca sativa (lettuce) has been selected as a model plant. Based on the obtained data, it can be concluded that mycorrhizal colonization increased as the result of combined influence of biochar and PGPB inoculums amendment. In addition, correlation analyses showed that the numbers of main groups of cultivated bacteria were dependent on the degree of mycorrhizal colonization. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Arbuscular%20mycorrhiza" title="Arbuscular mycorrhiza">Arbuscular mycorrhiza</a>, <a href="https://publications.waset.org/abstracts/search?q=biochar" title=" biochar"> biochar</a>, <a href="https://publications.waset.org/abstracts/search?q=PGPB%20inoculum" title=" PGPB inoculum"> PGPB inoculum</a>, <a href="https://publications.waset.org/abstracts/search?q=soil%20microorganisms" title=" soil microorganisms"> soil microorganisms</a> </p> <a href="https://publications.waset.org/abstracts/42607/effect-of-pgpb-inoculation-addition-of-biochar-and-mineral-n-fertilization-on-mycorrhizal-colonization" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42607.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">253</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">37</span> Preparation of Polylactide Nanoparticles by Supercritical Fluid Technology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Z%C3%A1gora">Jakub Zágora</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniela%20Plach%C3%A1"> Daniela Plachá</a>, <a href="https://publications.waset.org/abstracts/search?q=Karla%20%C4%8Cech%20Barabaszov%C3%A1"> Karla Čech Barabaszová</a>, <a href="https://publications.waset.org/abstracts/search?q=Sylva%20Hole%C5%A1ov%C3%A1"> Sylva Holešová</a>, <a href="https://publications.waset.org/abstracts/search?q=Roman%20G%C3%A1bor"> Roman Gábor</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexandra%20Mu%C3%B1oz%20Bonilla"> Alexandra Muñoz Bonilla</a>, <a href="https://publications.waset.org/abstracts/search?q=Marta%20Fern%C3%A1ndez%20Garc%C3%ADa"> Marta Fernández García</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The development of new antimicrobial materials that are not toxic to higher living organisms is a major challenge today. Newly developed materials can have high application potential in biomedicine, coatings, packaging, etc. A combination of commonly used biopolymer polylactide with cationic polymers seems to be very successful in the fight against antimicrobial resistance [1].PLA will play a key role in fulfilling the intention set out in the New Deal announced by the EU commission, as it is a bioplastic that is easily degradable, recyclable, and mass-produced. Also, the development of 3D printing in the context of this initiative, and the actual use of PLA as one of the main materials used for this printing, make the technology around the preparation and modification of PLA quite logical. Moreover, theenvironmentally friendly and energy saving technology like supercritical fluid process (SFP) will be used for their preparation. In a first approach, polylactide nano- and microparticles and structures were prepared by supercritical fluid extraction. The RESS (rapid expansion supercritical fluid solution) method is easier to optimize and shows better particle size control. On the contrary, a highly porous structure was obtained using the SAS (supercritical antisolvent) method. In a second part, the antimicrobial biobased polymer was introduced by SFP. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=polylactide" title="polylactide">polylactide</a>, <a href="https://publications.waset.org/abstracts/search?q=antimicrobial%20polymers" title=" antimicrobial polymers"> antimicrobial polymers</a>, <a href="https://publications.waset.org/abstracts/search?q=supercritical%20fluid%20technology" title=" supercritical fluid technology"> supercritical fluid technology</a>, <a href="https://publications.waset.org/abstracts/search?q=micronization" title=" micronization"> micronization</a> </p> <a href="https://publications.waset.org/abstracts/142773/preparation-of-polylactide-nanoparticles-by-supercritical-fluid-technology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142773.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">188</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">36</span> Mineral Nitrogen Retention, Nitrogen Availability and Plant Growth in the Soil Influenced by Addition of Organic and Mineral Fertilizers: Lysimetric Experiment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Luk%C3%A1%C5%A1%20Plo%C5%A1ek">Lukáš Plošek</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaroslav%20Hyn%C5%A1t"> Jaroslav Hynšt</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaroslav%20Z%C3%A1hora"> Jaroslav Záhora</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Elbl"> Jakub Elbl</a>, <a href="https://publications.waset.org/abstracts/search?q=Anton%C3%ADn%20Kintl"> Antonín Kintl</a>, <a href="https://publications.waset.org/abstracts/search?q=Ivana%20Charousov%C3%A1"> Ivana Charousová</a>, <a href="https://publications.waset.org/abstracts/search?q=Silvia%20Kov%C3%A1csov%C3%A1"> Silvia Kovácsová</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Compost can influence soil fertility and plant health. At the same time compost can play an important role in the nitrogen cycle and it can influence leaching of mineral nitrogen from soil to underground water. This paper deals with the influence of compost addition and mineral nitrogen fertilizer on leaching of mineral nitrogen, nitrogen availability in microbial biomass and plant biomass production in the lysimetric experiment. Twenty-one lysimeters were filed with topsoil and subsoil collected in the area of protection zone of underground source of drinking water - Březová nad Svitavou. The highest leaching of mineral nitrogen was detected in the variant fertilized only mineral nitrogen fertilizer (624.58 mg m-2), the lowest leaching was recorded in the variant with high addition of compost (315.51 mg m-2). On the other hand, losses of mineral nitrogen are not in connection with the losses of available form of nitrogen in microbial biomass. Because loss of mineral nitrogen was detected in variant with the least change in the availability of N in microbial biomass. The leaching of mineral nitrogen, yields as well as the results concerning nitrogen availability from the first year of long term experiment suggest that compost can positive influence the leaching of nitrogen into underground water. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nitrogen" title="nitrogen">nitrogen</a>, <a href="https://publications.waset.org/abstracts/search?q=compost" title=" compost"> compost</a>, <a href="https://publications.waset.org/abstracts/search?q=biomass%20production" title=" biomass production"> biomass production</a>, <a href="https://publications.waset.org/abstracts/search?q=lysimeter" title=" lysimeter "> lysimeter </a> </p> <a href="https://publications.waset.org/abstracts/7531/mineral-nitrogen-retention-nitrogen-availability-and-plant-growth-in-the-soil-influenced-by-addition-of-organic-and-mineral-fertilizers-lysimetric-experiment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/7531.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">352</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">35</span> Plasma Treatment of Poppy and Flax Seeds in Fluidized Bed Reactor</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Perner">Jakub Perner</a>, <a href="https://publications.waset.org/abstracts/search?q=Jindrich%20Matousek"> Jindrich Matousek</a>, <a href="https://publications.waset.org/abstracts/search?q=Hana%20Malinska"> Hana Malinska</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Adverse environmental conditions at planting (especially water shortage) can lead into reduced germination rate of seeds. The plasma treatment is one of the possibilities that can solve this problem. Such treatment can increase the germination rate of seeds and make germs grow faster due to increased wettability of seeds surface or disrupted seed coat. This could lead to enhanced oxygen and water transport into the seed and improve germination. Poppy and flax seeds were treated in fluidized bed reactor, and discharge power ranging from 10 to 40 W was used. The working gas was air at pressure 100 Pa. Poppy seeds were then planted into Petri dishes on 7 layers of filter paper saturated with water, and the number of germinated seeds was observed from 3 to 6 days after planting. Every plasma treated sample showed improved germination rate compared to untreated seeds (75.5%) six days after planting. Samples treated in 40W discharge had the highest germination rate (81.2%). The decreased contact angle of water on treated poppy seeds was observed from 85° (untreated) to 30–35° (treated). Untreated flax seeds have a germination rate over 98%; therefore, the weight of seeds was taken to be a measure of the successful germination. Treated flax seeds had a slightly higher weight than untreated. Also, the contact angle of water decreased from 99° (untreated) to 65-73° (treated); therefore the treatment of both species is considered to be successful. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flax" title="flax">flax</a>, <a href="https://publications.waset.org/abstracts/search?q=germination" title=" germination"> germination</a>, <a href="https://publications.waset.org/abstracts/search?q=plasma%20treatment" title=" plasma treatment"> plasma treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=poppy" title=" poppy"> poppy</a> </p> <a href="https://publications.waset.org/abstracts/109231/plasma-treatment-of-poppy-and-flax-seeds-in-fluidized-bed-reactor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/109231.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">178</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">34</span> Ground Response Analyses in Budapest Based on Site Investigations and Laboratory Measurements</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zsolt%20Szilv%C3%A1gyi">Zsolt Szilvágyi</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Panuska"> Jakub Panuska</a>, <a href="https://publications.waset.org/abstracts/search?q=Orsolya%20Kegyes-Brassai"> Orsolya Kegyes-Brassai</a>, <a href="https://publications.waset.org/abstracts/search?q=%C3%81kos%20Wolf"> Ákos Wolf</a>, <a href="https://publications.waset.org/abstracts/search?q=P%C3%A9ter%20Tildy"> Péter Tildy</a>, <a href="https://publications.waset.org/abstracts/search?q=Richard%20P.%20Ray"> Richard P. Ray</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Near-surface loose sediments and local ground conditions in general have a major influence on seismic response of structures. It is a difficult task to model ground behavior in seismic soil-structure-foundation interaction problems, fully account for them in seismic design of structures, or even properly consider them in seismic hazard assessment. In this study, we focused on applying seismic soil investigation methods, used for determining soil stiffness and damping properties, to response analysis used in seismic design. A site in Budapest, Hungary was investigated using Multichannel Analysis of Surface Waves, Seismic Cone Penetration Tests, Bender Elements, Resonant Column and Torsional Shear tests. Our aim was to compare the results of the different test methods and use the resulting soil properties for 1D ground response analysis. Often in practice, there are little-to no data available on dynamic soil properties and estimated parameters are used for design. Therefore, a comparison is made between results based on estimated parameters and those based on detailed investigations. Ground response results are also compared to Eurocode 8 design spectra. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=MASW" title="MASW">MASW</a>, <a href="https://publications.waset.org/abstracts/search?q=resonant%20column%20test" title=" resonant column test"> resonant column test</a>, <a href="https://publications.waset.org/abstracts/search?q=SCPT" title=" SCPT"> SCPT</a>, <a href="https://publications.waset.org/abstracts/search?q=site%20response%20analysis" title=" site response analysis"> site response analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=torsional%20shear%20test" title=" torsional shear test"> torsional shear test</a> </p> <a href="https://publications.waset.org/abstracts/67550/ground-response-analyses-in-budapest-based-on-site-investigations-and-laboratory-measurements" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67550.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">400</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">33</span> Serum Levels of Plasminogen Activator Inhibitor-1 (PAI-1) Are Increased in Alzheimer’s Disease and MCI Patients and Correlate With Cognitive Deficits</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Francesco%20Angelucci">Francesco Angelucci</a>, <a href="https://publications.waset.org/abstracts/search?q=Katerina%20Veverova"> Katerina Veverova</a>, <a href="https://publications.waset.org/abstracts/search?q=Al%C5%BEbeta%20Katonov%C3%A1"> Alžbeta Katonová</a>, <a href="https://publications.waset.org/abstracts/search?q=Lydia%20Piendel"> Lydia Piendel</a>, <a href="https://publications.waset.org/abstracts/search?q=Martin%20Vyhnalek"> Martin Vyhnalek</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Hort"> Jakub Hort</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Alzheimer's disease (AD) is a central nervous system (CNS) disease characterized by loss of memory, cognitive functions and neurodegeneration. Plasmin is an enzyme degrading many plasma proteins. In the CNS, plasmin may reduce the accumulation of A, and have other actions relevant to AD pathophysiology. Brain plasmin synthesis is regulated by two enzymes: one activating, the tissue plasminogen activator (tPA), and the other inhibiting, the plasminogen activator inhibitor-1 (PAI-1). We investigated whether tPA and PAI-1 serum levels in AD and amnestic mild cognitive impairment (aMCI) patients are altered compared to cognitively healthy controls. Moreover, we examined the PAI-1/tPA ratio in these patient groups. 40 AD, 40 aMCI and 10 healthy controls were recruited. Venous blood was collected and PAI-1 and tPA serum concentrations were quantified by sandwich ELISAs. The results showed that PAI-1 levels increased in AD and aMCI patients. This increase negatively correlated with cognitive deficit measured by MMSE. Similarly, the ratio between tPA and PAI-1 gradually increases in aMCI and AD patients. This study demonstrates that AD and aMCI patients have altered PAI-1 serum levels and PAI-1/tPA ratio. Since these enzymes are CNS regulators of plasmin, PAI-1 serum levels could be a marker reflecting a cognitive decline in AD. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alzheimer%20disease" title="Alzheimer disease">Alzheimer disease</a>, <a href="https://publications.waset.org/abstracts/search?q=amnestic%20mild%20cognitive%20impairment" title=" amnestic mild cognitive impairment"> amnestic mild cognitive impairment</a>, <a href="https://publications.waset.org/abstracts/search?q=plasmin" title=" plasmin"> plasmin</a>, <a href="https://publications.waset.org/abstracts/search?q=tissue-type%20plasminogen%20activator" title=" tissue-type plasminogen activator"> tissue-type plasminogen activator</a> </p> <a href="https://publications.waset.org/abstracts/155055/serum-levels-of-plasminogen-activator-inhibitor-1-pai-1-are-increased-in-alzheimers-disease-and-mci-patients-and-correlate-with-cognitive-deficits" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/155055.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">76</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> Structural Performance of Composite Steel and Concrete Beams</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jakub%20Bartus">Jakub Bartus</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In general, composite steel and concrete structures present an effective structural solution utilizing full potential of both materials. As they have a numerous advantages on the construction side, they can reduce greatly the overall cost of construction, which is the main objective of the last decade, highlighted by the current economic and social crisis. The study represents not only an analysis of composite beams’ behaviour having web openings but emphasizes the influence of these openings on the total strain distribution at the level of steel bottom flange as well. The major investigation was focused on a change of structural performance with respect to various layouts of openings. Examining this structural modification, an improvement of load carrying capacity of composite beams was a prime object. The study is devided into analytical and numerical part. The analytical part served as an initial step into the design process of composite beam samples, in which optimal dimensions and specific levels of utilization in individual stress states were taken into account. The numerical part covered description of imposed structural issue in a form of a finite element model (FEM) using strut and shell elements accounting for material non-linearities. As an outcome, a number of conclusions were drawn describing and explaining an effect of web opening presence on the structural performance of composite beams. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=composite%20beam" title="composite beam">composite beam</a>, <a href="https://publications.waset.org/abstracts/search?q=web%20opening" title=" web opening"> web opening</a>, <a href="https://publications.waset.org/abstracts/search?q=steel%20flange" title=" steel flange"> steel flange</a>, <a href="https://publications.waset.org/abstracts/search?q=totalstrain" title=" totalstrain"> totalstrain</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20analysis" title=" finite element analysis"> finite element analysis</a> </p> <a href="https://publications.waset.org/abstracts/168725/structural-performance-of-composite-steel-and-concrete-beams" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168725.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">69</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Jakub%20V%C3%A1vra&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Jakub%20V%C3%A1vra&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Jakub%20V%C3%A1vra&page=2" rel="next">&rsaquo;</a></li> </ul> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div 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