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Girman</title> <meta name="description" content="Search results for: Vladimír Girman"> <meta name="keywords" content="Vladimír Girman"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Vladimír Girman"> <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> 158</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Vladimír Girman</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">158</span> Detecting Geographically Dispersed Overlay Communities Using Community Networks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Madhushi%20Bandara">Madhushi Bandara</a>, <a href="https://publications.waset.org/abstracts/search?q=Dharshana%20Kasthurirathna"> Dharshana Kasthurirathna</a>, <a href="https://publications.waset.org/abstracts/search?q=Danaja%20Maldeniya"> Danaja Maldeniya</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahendra%20Piraveenan"> Mahendra Piraveenan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Community detection is an extremely useful technique in understanding the structure and function of a social network. Louvain algorithm, which is based on Newman-Girman modularity optimization technique, is extensively used as a computationally efficient method extract the communities in social networks. It has been suggested that the nodes that are in close geographical proximity have a higher tendency of forming communities. Variants of the Newman-Girman modularity measure such as dist-modularity try to normalize the effect of geographical proximity to extract geographically dispersed communities, at the expense of losing the information about the geographically proximate communities. In this work, we propose a method to extract geographically dispersed communities while preserving the information about the geographically proximate communities, by analyzing the ‘community network’, where the centroids of communities would be considered as network nodes. We suggest that the inter-community link strengths, which are normalized over the community sizes, may be used to identify and extract the ‘overlay communities’. The overlay communities would have relatively higher link strengths, despite being relatively apart in their spatial distribution. We apply this method to the Gowalla online social network, which contains the geographical signatures of its users, and identify the overlay communities within it. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=social%20networks" title="social networks">social networks</a>, <a href="https://publications.waset.org/abstracts/search?q=community%20detection" title=" community detection"> community detection</a>, <a href="https://publications.waset.org/abstracts/search?q=modularity%20optimization" title=" modularity optimization"> modularity optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=geographically%20dispersed%20communities" title=" geographically dispersed communities"> geographically dispersed communities</a> </p> <a href="https://publications.waset.org/abstracts/55105/detecting-geographically-dispersed-overlay-communities-using-community-networks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/55105.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">235</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">157</span> An Acoustical Diagnosis of a Shaft-Wood Phyto-Pathogenic Damage of Sequoiadendron giganteum (Lindl.) Buccholz</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yuri%20V.%20Plugatar">Yuri V. Plugatar</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20P.%20Koba"> Vladimir P. Koba</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20V.%20Papelbu"> Vladimir V. Papelbu</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20N.%20Gerasimchuk"> Vladimir N. Gerasimchuk</a>, <a href="https://publications.waset.org/abstracts/search?q=Tatjana%20M.%20Sakhno"> Tatjana M. Sakhno</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Using a supersonic shaft–wood tomography, the evaluation of a shaft-wood phyto-pathogenic damage level of Sequoiadendron giganteum (Lindl.) Buccholz was prosecuted. The digital bivariate reflections of the shaft tissue damage were obtained, the characteristics of comparative parameters of the wood-decay degree were given. The investigation results allowed to show up the role of some edaphic factors in their affection on a vital condition and the level of destructive processes while shaft tissue damaging of S.giganteum. It was pinned up that soil consolidation, and hydro-morphication equally make for a phyto-pathogenic damage of plants. While soil consolidation negative acting the shaft-wood damage is located in an underneath of a shaft. In the conditions of an enlarged hydro-morphication a tissue degradation runs less intensively, the destructive processes more active spread in a vertical section of a shaft. The use of a supersonic tomography method gives wide possibilities to diagnose a shaft-wood phyto-pathogenic damage. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sequoiadendron%20giganteum%20%28Lindl.%29%20Buccholz" title="Sequoiadendron giganteum (Lindl.) Buccholz">Sequoiadendron giganteum (Lindl.) Buccholz</a>, <a href="https://publications.waset.org/abstracts/search?q=supersonic%20tomography" title=" supersonic tomography"> supersonic tomography</a>, <a href="https://publications.waset.org/abstracts/search?q=diagnosis" title=" diagnosis"> diagnosis</a>, <a href="https://publications.waset.org/abstracts/search?q=phyto-pathogenic%20damage" title=" phyto-pathogenic damage"> phyto-pathogenic damage</a>, <a href="https://publications.waset.org/abstracts/search?q=a%20vital%20condition" title=" a vital condition"> a vital condition</a> </p> <a href="https://publications.waset.org/abstracts/78879/an-acoustical-diagnosis-of-a-shaft-wood-phyto-pathogenic-damage-of-sequoiadendron-giganteum-lindl-buccholz" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/78879.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">156</span> The System of Uniform Criteria for the Characterization and Evaluation of Elements of Economic Structure: The Territory, Infrastructure, Processes, Technological Chains, the End Products</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aleksandr%20A.%20Gajour">Aleksandr A. Gajour</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20G.%20Merzlikin"> Vladimir G. Merzlikin</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20I.%20Veselov"> Vladimir I. Veselov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper refers to the analysis of the characteristics of industrial and lifestyle facilities heat- energy objects as a part of the thermal envelope of Earth's surface for inclusion in any database of economic forecasting. The idealized model of the Earth's surface is discussed. This model gives the opportunity to obtain the energy equivalent for each element of terrain and world ocean. Energy efficiency criterion of comfortable human existence is introduced. Dynamics of changes of this criterion offers the possibility to simulate the possible technogenic catastrophes with the spontaneous industrial development of the certain Earth areas. Calculated model with the confirmed forecast of the Gulf Stream freezing in the polar regions in 2011 due to the heat-energy balance disturbance for the oceanic subsurface oil polluted layer is given. Two opposing trends of human development under limited and unlimited amount of heat-energy resources are analyzed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Earth%27s%20surface" title="Earth's surface">Earth's surface</a>, <a href="https://publications.waset.org/abstracts/search?q=heat-energy%20consumption" title=" heat-energy consumption"> heat-energy consumption</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20criteria" title=" energy criteria"> energy criteria</a>, <a href="https://publications.waset.org/abstracts/search?q=technogenic%20catastrophes" title=" technogenic catastrophes"> technogenic catastrophes</a> </p> <a href="https://publications.waset.org/abstracts/13411/the-system-of-uniform-criteria-for-the-characterization-and-evaluation-of-elements-of-economic-structure-the-territory-infrastructure-processes-technological-chains-the-end-products" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13411.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">402</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">155</span> Intensification of Ethyl Esters Synthesis Using a Packed-Bed Tubular Reactor at Supercritical Conditions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Camila%20da%20Silva">Camila da Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Simone%20Belorte%20de%20Andrade"> Simone Belorte de Andrade</a>, <a href="https://publications.waset.org/abstracts/search?q=Vitor%20Augusto%20dos%20Santos%20Garcia"> Vitor Augusto dos Santos Garcia</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Ferreira%20Cabral"> Vladimir Ferreira Cabral</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Vladimir%20Oliveira%20L%C3%BAcio%20Cardozo-Filho"> J. Vladimir Oliveira Lúcio Cardozo-Filho</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present study, the non-catalytic transesterification of soybean oil in continuous mode using supercritical ethanol were investigated. Experiments were performed in a packed-bed tubular reactor (PBTR) and variable studied were reaction temperature (523 K to 598 K), pressure (10 MPa to 20 MPa), oil to ethanol molar ratio (1:10 to 1:40) and water concentration (0 wt% to 10 wt% in ethanol). Results showed that ethyl esters yields obtained in the PBTR were higher (> 20 wt%) than those verified in a tubular reactor (TR), due to improved mass transfer conditions attained in the PBTR. Results demonstrated that temperature, pressure, oil to ethanol molar ratio and water concentration had a positive effect on fatty acid ethyl esters (FAEE) production in the experimental range investigated, with appreciable reaction yields (90 wt%) achieved at 598 K, 20 MPa, oil to ethanol molar ratio of 1:40 and 10 wt% of water concentration. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=packed%20bed%20reactor" title="packed bed reactor">packed bed reactor</a>, <a href="https://publications.waset.org/abstracts/search?q=ethyl%20esters" title=" ethyl esters"> ethyl esters</a>, <a href="https://publications.waset.org/abstracts/search?q=continuous%20process" title=" continuous process"> continuous process</a>, <a href="https://publications.waset.org/abstracts/search?q=catalyst-free%20process" title=" catalyst-free process"> catalyst-free process</a> </p> <a href="https://publications.waset.org/abstracts/20326/intensification-of-ethyl-esters-synthesis-using-a-packed-bed-tubular-reactor-at-supercritical-conditions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20326.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">525</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">154</span> The Actoprotective Efficiency of Pyrimidine Derivatives</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nail%20Nazarov">Nail Nazarov</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Zobov"> Vladimir Zobov</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexandra%20Vyshtakalyuk"> Alexandra Vyshtakalyuk</a>, <a href="https://publications.waset.org/abstracts/search?q=Vyacheslav%20Semenov"> Vyacheslav Semenov</a>, <a href="https://publications.waset.org/abstracts/search?q=Irina%20Galyametdinova"> Irina Galyametdinova</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Reznik"> Vladimir Reznik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> There have been studied effects of xymedon and six new pyrimidine derivatives, that are close and distant analogs of xymedon, on rats' working capacity in the test 'swimming to failure'. It has been shown that a single administration of the studied compounds did not have a statistically significant effect in the test. In the conditions of multiple intraperitoneal administration of the studied pyrimidine derivatives, the compound L-ascorbate, 1-(2-hydroxyethyl)-4.6-dimethyl-1.2-dihydropyrimidine-2-one had the lowest toxicity and the most pronounced actoprotective effect. Introduction in the dose of 20 mg/kg caused a statistically significant increase 440 % in the duration of swimming of rats on the 14th day of the experiment compared with the control group. Multiple administration of the compound in the conditions of physical load did not affect leucopoiesis but stimulates erythropoiesis resulting in an increase in the number of erythrocytes and a hemoglobin level. The substance introduction under mixed exhausting loads prevented such changes of blood biochemical parameters as reduction of glucose, increased of urea and lactic acid levels, what indicates improvement in the animals' tolerability of loads and an anti-catabolic effect of the compound. Absence of hepato and cardiotoxic effects of the substance has been shown. This work was performed with the financial support of Russian Science Foundation (grant № 14-50-00014). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=actoprotectors" title="actoprotectors">actoprotectors</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20working%20capacity" title=" physical working capacity"> physical working capacity</a>, <a href="https://publications.waset.org/abstracts/search?q=pyrimidine%20derivatives" title=" pyrimidine derivatives"> pyrimidine derivatives</a>, <a href="https://publications.waset.org/abstracts/search?q=xymedon" title=" xymedon"> xymedon</a> </p> <a href="https://publications.waset.org/abstracts/70085/the-actoprotective-efficiency-of-pyrimidine-derivatives" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/70085.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">291</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">153</span> La0.80Ag0.15MnO3 Magnetic Nanoparticles for Self-Controlled Magnetic Fluid Hyperthermia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marian%20Mihalik">Marian Mihalik</a>, <a href="https://publications.waset.org/abstracts/search?q=Kornel%20Csach"> Kornel Csach</a>, <a href="https://publications.waset.org/abstracts/search?q=Martin%20Kovalik"> Martin Kovalik</a>, <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=Martina%20Kubov%C4%8D%C3%ADkov%C3%A1"> Martina Kubovčíková</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Zentkov%C3%A1"> Maria Zentková</a>, <a href="https://publications.waset.org/abstracts/search?q=Martin%20Vavra"> Martin Vavra</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladim%C3%ADr%20Girman"> Vladimír Girman</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaroslav%20Brian%C4%8Din"> Jaroslav Briančin</a>, <a href="https://publications.waset.org/abstracts/search?q=Marija%20Perovic"> Marija Perovic</a>, <a href="https://publications.waset.org/abstracts/search?q=Marija%20Bo%C5%A1kovic"> Marija Boškovic</a>, <a href="https://publications.waset.org/abstracts/search?q=Magdalena%20Fitta"> Magdalena Fitta</a>, <a href="https://publications.waset.org/abstracts/search?q=Robert%20Pelka"> Robert Pelka</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Current nanomaterials for use in biomedicine are based mainly on iron oxides and on present knowledge on magnetic nanostructures. Manganites can represent another material which can be used optionally. Manganites and their unique electronic properties have been extensively studied in the last decades not only due to fundamental interest but to possible applications of colossal magnetoresistance, magnetocaloric effect, and ferroelectric properties. It was found that the oxygen-reduction reaction on perovskite oxide is intimately connected with metal ion e.g., orbital occupation. The effect of oxygen deviation from the stoichiometric composition on crystal structure was studied very carefully by many authors on LaMnO₃. Depending on oxygen content, the crystal structure changes from orthorhombic one to rhombohedric for oxygen content 3.1. In the case of hole-doped manganites, the change from the orthorhombic crystal structure, which is typical for La1-xCaxMnO3 based manganites, to the rhombohedric crystal structure (La1-xMxMnO₃ where M = K, Ag, and Sr based materials) results in an enormous increase of the Curie temperature. In our paper, we study the effect of oxygen content on crystal structure, thermal, and magnetic properties (including magnetocaloric effect) of La1-xAgxMnO₃nano particle system. The content of oxygen in samples was tuned by heat treatment in different thermal regimes and in various environment (air, oxygen, argon). Water nanosuspensions based on La0.80Ag0.15MnO₃ magnetic particles with the Curie temperature of about 43oC were prepared by two different approaches. First, by using a laboratory circulation mill for milling of powder in the presence of sodium dodecyl sulphate (SDS) and subsequent centrifugation. Second nanosuspension was prepared using an agate bowl, etching in citric acid and HNO3, ultrasound homogeniser, centrifugation, and dextran 40 kDA or 15 kDA as surfactant. Electrostatic stabilisation obtained by the first approach did not offer long term kinetic and aggregation colloidal stability and was unable to compensate for attractive forces between particles under a magnetic field. By the second approach, we prepared suspension oversaturated by dextran 40 kDA for steric stabilisation, with evidence of the presence of superparamagnetic behaviour. Low concentration of nanoparticles and not ideal coverage of nanoparticles impacting the stability of ferrofluids was the disadvantage of this approach. Strong steric stabilisation was observable at alcaic conditions under pH = ~10. Application of dextran 15 kDA leads to relatively stable ferrofluid with pH around physiological conditions, but desegregation of powder by HNO₃ was not effective enough, and the average size of fragments was to large of about 150 nm, and we did not see any signature of superparamagnetic behaviour. The prepared ferrofluids were characterised by scanning and transition microscope method, thermogravimetry, magnetization, and AC susceptibility measurements. Specific Absorption Rate measurements were undertaken on powder as well on ferrofluids in order to estimate the potential application of La₀.₈₀Ag₀.₁₅MnO₃ magnetic particles based ferrofluid for hyperthermia. Our complex study contains an investigation of biocompatibility and potential biohazard of this material. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=manganites" title="manganites">manganites</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20nanoparticles" title=" magnetic nanoparticles"> magnetic nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=oxygen%20content" title=" oxygen content"> oxygen content</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20phase%20transition" title=" magnetic phase transition"> magnetic phase transition</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetocaloric%20effect" title=" magnetocaloric effect"> magnetocaloric effect</a>, <a href="https://publications.waset.org/abstracts/search?q=ferrofluid" title=" ferrofluid"> ferrofluid</a>, <a href="https://publications.waset.org/abstracts/search?q=hyperthermia" title=" hyperthermia"> hyperthermia</a> </p> <a href="https://publications.waset.org/abstracts/155810/la080ag015mno3-magnetic-nanoparticles-for-self-controlled-magnetic-fluid-hyperthermia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/155810.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">90</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">152</span> Hepatoprotective Assessment of L-Ascorbate 1-(2-Hydroxyethyl)-4,6-Dimethyl-1, 2-Dihydropyrimidine-2-On Exposure to Carbon Tetrachloride</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nail%20Nazarov">Nail Nazarov</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexandra%20Vyshtakalyuk"> Alexandra Vyshtakalyuk</a>, <a href="https://publications.waset.org/abstracts/search?q=Vyacheslav%20Semenov"> Vyacheslav Semenov</a>, <a href="https://publications.waset.org/abstracts/search?q=Irina%20Galyametdinova"> Irina Galyametdinova</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Zobov"> Vladimir Zobov</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Reznik"> Vladimir Reznik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Among hepatic pyrimidine used as a means of stimulating protein synthesis and recovery of liver cells in her damaged toxic and infectious etiology. When an experimental toxic hepatitis hepatoprotective activity detected some pyrimidine derivatives. There are literature data on oksimetiluratcila hepatoprotective effect. For analogs of pyrimidine nucleobases - drugs Methyluracilum pentoxy and hepatoprotective effect of weakly expressed. According to the American scientists broad spectrum of biological activity, including hepatoprotective properties, have a 2,4-dioxo-5-arilidenimino uracils. Influenced Xymedon medicinal preparation (1- (beta-hydroxyethyl) -4,6-dimethyl-1,2-dihydro-2-oksopirimidin) developed as a means of stimulating the regeneration of tissue revealed increased activity of microsomal oxidases human liver. In studies on the model of toxic liver damage in rats have shown hepatoprotective effect xymedon and stimulating its impact on the recovery of the liver tissue. Hepatoprotective properties of the new compound in the series of pyrimidine derivatives L-ascorbate 1-(2-hydroxyethyl)-4,6-dimethyl-1,2-dihydropirimidine-2-one synthesized on the basis Xymedon preparation were firstly investigated on rats under the carbon tetrachloride action. It was shown the differences of biochemical parameters from the reference value and severity of structural-morphological liver violations decreased in comparison with control group under the influence of the compound injected before exposure carbon tetrachloride. Hepatoprotective properties of the investigated compound were more pronounced in comparison with Xymedon. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hepatoprotectors" title="hepatoprotectors">hepatoprotectors</a>, <a href="https://publications.waset.org/abstracts/search?q=pyrimidine%20derivatives" title=" pyrimidine derivatives"> pyrimidine derivatives</a>, <a href="https://publications.waset.org/abstracts/search?q=toxic%20liver%20damage" title=" toxic liver damage"> toxic liver damage</a>, <a href="https://publications.waset.org/abstracts/search?q=xymedon" title=" xymedon"> xymedon</a> </p> <a href="https://publications.waset.org/abstracts/66545/hepatoprotective-assessment-of-l-ascorbate-1-2-hydroxyethyl-46-dimethyl-1-2-dihydropyrimidine-2-on-exposure-to-carbon-tetrachloride" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/66545.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">425</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">151</span> Flat-Top Apodization of Laser Beams by Means of Acousto-Optics </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sergey%20I.%20Chizhikov">Sergey I. Chizhikov</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Y.%20Molchanov"> Vladimir Y. Molchanov</a>, <a href="https://publications.waset.org/abstracts/search?q=Konstantin%20B.%20Yushkov"> Konstantin B. Yushkov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We demonstrate a method for adaptive spatial shaping of laser beams by means of acousto-optic Bragg diffraction. Transformation of the angular spectrum during Bragg diffraction is used to convert Gaussian intensity distribution into a flat-top one. Theoretical model is supported by the experiment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acousto-optics" title="acousto-optics">acousto-optics</a>, <a href="https://publications.waset.org/abstracts/search?q=flat%20top" title=" flat top"> flat top</a>, <a href="https://publications.waset.org/abstracts/search?q=beam%20shaping" title=" beam shaping"> beam shaping</a>, <a href="https://publications.waset.org/abstracts/search?q=Bragg%20diffraction" title=" Bragg diffraction"> Bragg diffraction</a> </p> <a href="https://publications.waset.org/abstracts/19123/flat-top-apodization-of-laser-beams-by-means-of-acousto-optics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19123.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">626</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">150</span> Engineering Thermal-Hydraulic Simulator Based on Complex Simulation Suite “Virtual Unit of Nuclear Power Plant”</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Evgeny%20Obraztsov">Evgeny Obraztsov</a>, <a href="https://publications.waset.org/abstracts/search?q=Ilya%20Kremnev"> Ilya Kremnev</a>, <a href="https://publications.waset.org/abstracts/search?q=Vitaly%20Sokolov"> Vitaly Sokolov</a>, <a href="https://publications.waset.org/abstracts/search?q=Maksim%20Gavrilov"> Maksim Gavrilov</a>, <a href="https://publications.waset.org/abstracts/search?q=Evgeny%20Tretyakov"> Evgeny Tretyakov</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Kukhtevich"> Vladimir Kukhtevich</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Bezlepkin"> Vladimir Bezlepkin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Over the last decade, a specific set of connected software tools and calculation codes has been gradually developed. It allows simulating I&C systems, thermal-hydraulic, neutron-physical and electrical processes in elements and systems at the Unit of NPP (initially with WWER (pressurized water reactor)). In 2012 it was called a complex simulation suite “Virtual Unit of NPP” (or CSS “VEB” for short). Proper application of this complex tool should result in a complex coupled mathematical computational model. And for a specific design of NPP, it is called the Virtual Power Unit (or VPU for short). VPU can be used for comprehensive modelling of a power unit operation, checking operator's functions on a virtual main control room, and modelling complicated scenarios for normal modes and accidents. In addition, CSS “VEB” contains a combination of thermal hydraulic codes: the best-estimate (two-liquid) calculation codes KORSAR and CORTES and a homogenous calculation code TPP. So to analyze a specific technological system one can build thermal-hydraulic simulation models with different detalization levels up to a nodalization scheme with real geometry. And the result at some points is similar to the notion “engineering/testing simulator” described by the European utility requirements (EUR) for LWR nuclear power plants. The paper is dedicated to description of the tools mentioned above and an example of the application of the engineering thermal-hydraulic simulator in analysis of the boron acid concentration in the primary coolant (changed by the make-up and boron control system). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=best-estimate%20code" title="best-estimate code">best-estimate code</a>, <a href="https://publications.waset.org/abstracts/search?q=complex%20simulation%20suite" title=" complex simulation suite"> complex simulation suite</a>, <a href="https://publications.waset.org/abstracts/search?q=engineering%20simulator" title=" engineering simulator"> engineering simulator</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20plant" title=" power plant"> power plant</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20hydraulic" title=" thermal hydraulic"> thermal hydraulic</a>, <a href="https://publications.waset.org/abstracts/search?q=VEB" title=" VEB"> VEB</a>, <a href="https://publications.waset.org/abstracts/search?q=virtual%20power%20unit" title=" virtual power unit"> virtual power unit</a> </p> <a href="https://publications.waset.org/abstracts/63791/engineering-thermal-hydraulic-simulator-based-on-complex-simulation-suite-virtual-unit-of-nuclear-power-plant" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63791.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">380</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">149</span> Hepatoprotective Assessment of L-Ascorbate 1-(2-Hydroxyethyl)-4,6-Dimethyl-1, 2-Dihydropyrimidine-2-on in Toxic Liver Damage Test</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Zobov">Vladimir Zobov</a>, <a href="https://publications.waset.org/abstracts/search?q=Nail%20Nazarov"> Nail Nazarov</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexandra%20Vyshtakalyuk"> Alexandra Vyshtakalyuk</a>, <a href="https://publications.waset.org/abstracts/search?q=Vyacheslav%20Semenov"> Vyacheslav Semenov</a>, <a href="https://publications.waset.org/abstracts/search?q=Irina%20Galyametdinova"> Irina Galyametdinova</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Reznik"> Vladimir Reznik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study was to investigate hepatoprotective properties of the Xymedon derivative L-ascorbate 1- (2-hydroxyethyl)-4,6-dimethyl-1,2-dihydropyrimidine-2-one (XD), which exhibits high efficiency as actoprotector. The study was carried out on 68 male albino rats weighing 250-400 g using preventive exposure to the test preparation. Effectiveness of XD win comparison with effectiveness of Xymedon (original substance) after administration of the compounds in identical doses. Maximum dose was 20 mg/kg. The animals orally received Xymedon or its derivative in doses of 10 and 20 mg/kg over 4 days. In 1-1.5 h after drug administration, CCl4 in vegetable oil (1:1) in a dose of 2 ml/kg. Controls received CCl4 but without hepatoprotectors. Intact control group consisted of rats, not receiving CCl4 or other compounds. The next day after the last administration of CCl4 and compounds under study animals were dehematized under ether anesthesia, blood and liver samples were taken for biochemical and histological analysis. Xymedon and XD administered according to the preventice scheme, exerted hepatoprotective effects: Xymedon — in the dose of 20 mg/kg, XD — in doses of 10 and 20 mg/kg. The drugs under study had different effects on liver condition, affected by induction with CCl4. Xymedon had a more pronounced effect both on the ALT level, which can be elevated not only due to destructive changes in hepatocytes, but also as a cholestasis manifestation, and on the serum total protein level, which reflects protein synthesis in liver. XD had a more pronounced effect on AST level, which is one of the markers of hepatocyte damage. Lower effective dose of XD — 10 mg/kg, compared to Xymedon effective according to, and its pronounced effect on AST, the hepatocyte cytolysis marker, is indicative of its higher preventive effectiveness, compared to Xymedon. This work was performed with the financial support of Russian Science Foundation (grant No: 14-50-00014). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hepatoprotectors" title="hepatoprotectors">hepatoprotectors</a>, <a href="https://publications.waset.org/abstracts/search?q=pyrimidine%20derivatives" title=" pyrimidine derivatives"> pyrimidine derivatives</a>, <a href="https://publications.waset.org/abstracts/search?q=toxic%20liver%20damage" title=" toxic liver damage"> toxic liver damage</a>, <a href="https://publications.waset.org/abstracts/search?q=xymedon" title=" xymedon"> xymedon</a> </p> <a href="https://publications.waset.org/abstracts/70089/hepatoprotective-assessment-of-l-ascorbate-1-2-hydroxyethyl-46-dimethyl-1-2-dihydropyrimidine-2-on-in-toxic-liver-damage-test" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/70089.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">302</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">148</span> The Effects of a Thin Liquid Layer on the Hydrodynamic Machine Rotor</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jaroslav%20Krutil">Jaroslav Krutil</a>, <a href="https://publications.waset.org/abstracts/search?q=Franti%C5%A1ek%20Pochyl%C3%BD"> František Pochylý</a>, <a href="https://publications.waset.org/abstracts/search?q=Simona%20Fialov%C3%A1"> Simona Fialová</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladim%C3%ADr%20Hab%C3%A1n"> Vladimír Habán</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A mathematical model of the additional effects of the liquid in the hydrodynamic gap is presented in the paper. An in-compressible viscous fluid is considered. Based on computational modeling are determined the matrices of mass, stiffness and damping. The mathematical model is experimentally verified. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=computational%20modeling" title="computational modeling">computational modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematical%20model" title=" mathematical model"> mathematical model</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrodynamic%20gap" title=" hydrodynamic gap"> hydrodynamic gap</a>, <a href="https://publications.waset.org/abstracts/search?q=matrices%20of%20mass" title=" matrices of mass"> matrices of mass</a>, <a href="https://publications.waset.org/abstracts/search?q=stiffness%20and%20damping" title=" stiffness and damping"> stiffness and damping</a> </p> <a href="https://publications.waset.org/abstracts/22442/the-effects-of-a-thin-liquid-layer-on-the-hydrodynamic-machine-rotor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22442.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">557</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">147</span> The Impact of the COVID-19 Pandemic on the Nursing Workforce in Slovakia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Lukas%20Kober">Lukas Kober</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Littva"> Vladimir Littva</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Siska"> Vladimir Siska</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The pandemic has had a significant impact on our lives. One of the most affected professions is the nursing profession. Nurses are closest to the patient, spend the most time with him, support him, often replace the closest family members, and of course, are part of the whole treatment process. Current nurses have more competencies and roles than in the past. The healthcare system has reached a turning point, also in connection with the spreading Delta variant and the risk of the arrival of the third wave. The lack of nurses is a long-term problem, but it did not arise by itself. The reasons for the departure of nurses from the health care system are not only due to the increasing average age of nurses and midwives in Slovakia and their retirement. Thousands of nurses are leaving due to poor working conditions, low wages, and poor management of individual workplaces. We need to keep older nurses in the health care system, otherwise, we risk their early departure. The pandemic only exacerbates this situation, and the associated risks, such as occupational infections or enormous overload and exhaustion, only accelerate the exit from the profession. According to current data from the register of nurses and midwives, we canceled 772 registrations from January to September 2021, and 584 nurses requested the suspension of registration due to non-performance of the profession. During the same period, we registered only 240 new nurses graduate. We have had this significant disparity here for a long time. For the whole of 2020, we canceled 911 registrations and suspended 973 registrations. We registered a total of 389 graduates. Our system loses hundreds of graduates a year and loses experienced nurses with decades of experience who leave due to poor working conditions, wages and suffer from burnout. Such compensation should also be awarded to the families of health professionals who have lost their lives due to work and to COVID-19. These options can also be motivating for promising people interested in studying nursing, who can gradually replace the missing workforce. This purchase is supported by the KEGA project no. 015KU-4/2019. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pandemic" title="pandemic">pandemic</a>, <a href="https://publications.waset.org/abstracts/search?q=COVID-19" title=" COVID-19"> COVID-19</a>, <a href="https://publications.waset.org/abstracts/search?q=nursing" title=" nursing"> nursing</a>, <a href="https://publications.waset.org/abstracts/search?q=nursing%20workforce" title=" nursing workforce"> nursing workforce</a>, <a href="https://publications.waset.org/abstracts/search?q=lack%20of%20nurses" title=" lack of nurses"> lack of nurses</a> </p> <a href="https://publications.waset.org/abstracts/142031/the-impact-of-the-covid-19-pandemic-on-the-nursing-workforce-in-slovakia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142031.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">216</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">146</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">145</span> Use of Information Technology in the Government of a State</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pavel%20E.%20Golosov">Pavel E. Golosov</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20I.%20Gorelov"> Vladimir I. Gorelov</a>, <a href="https://publications.waset.org/abstracts/search?q=Oksana%20L.%20Karelova"> Oksana L. Karelova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> There are visible changes in the world organization, environment and health of national conscience that create a background for discussion on possible redefinition of global, state and regional management goals. Authors apply the sustainable development criteria to a hierarchical management scheme that is to lead the world community to non-contradictory growth. Concrete definitions are discussed in respect of decision-making process representing the state mostly. With the help of system analysis it is highlighted how to understand who would carry the distinctive sign of world leadership in the nearest future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=decision-making" title="decision-making">decision-making</a>, <a href="https://publications.waset.org/abstracts/search?q=information%20technology" title=" information technology"> information technology</a>, <a href="https://publications.waset.org/abstracts/search?q=public%20administration" title=" public administration"> public administration</a> </p> <a href="https://publications.waset.org/abstracts/60626/use-of-information-technology-in-the-government-of-a-state" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60626.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">512</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">144</span> Pathology of Explanted Transvaginal Meshes </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20V.%20Iakovlev">Vladimir V. Iakovlev</a>, <a href="https://publications.waset.org/abstracts/search?q=Erin%20T.%20Carey"> Erin T. Carey</a>, <a href="https://publications.waset.org/abstracts/search?q=John%20Steege"> John Steege</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The use of polypropylene mesh devices for Pelvic Organ Prolapse (POP) spread rapidly during the last decade, yet our knowledge of the mesh-tissue interaction is far from complete. We aimed to perform a thorough pathological examination of explanted POP meshes and describe findings that may explain mechanisms of complications resulting in product excision. We report a spectrum of important findings, including nerve ingrowth, mesh deformation, involvement of detrusor muscle with neural ganglia, and polypropylene degradation. Analysis of these findings may improve and guide future treatment strategies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=transvaginal" title="transvaginal">transvaginal</a>, <a href="https://publications.waset.org/abstracts/search?q=mesh" title=" mesh"> mesh</a>, <a href="https://publications.waset.org/abstracts/search?q=nerves" title=" nerves"> nerves</a>, <a href="https://publications.waset.org/abstracts/search?q=polypropylene%20degradation" title=" polypropylene degradation"> polypropylene degradation</a> </p> <a href="https://publications.waset.org/abstracts/9618/pathology-of-explanted-transvaginal-meshes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9618.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">402</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">143</span> Characteristic Function in Estimation of Probability Distribution Moments </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20S.%20Timofeev">Vladimir S. Timofeev</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this article the problem of distributional moments estimation is considered. The new approach of moments estimation based on usage of the characteristic function is proposed. By statistical simulation technique, author shows that new approach has some robust properties. For calculation of the derivatives of characteristic function there is used numerical differentiation. Obtained results confirmed that author’s idea has a certain working efficiency and it can be recommended for any statistical applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=characteristic%20function" title="characteristic function">characteristic function</a>, <a href="https://publications.waset.org/abstracts/search?q=distributional%20moments" title=" distributional moments"> distributional moments</a>, <a href="https://publications.waset.org/abstracts/search?q=robustness" title=" robustness"> robustness</a>, <a href="https://publications.waset.org/abstracts/search?q=outlier" title=" outlier"> outlier</a>, <a href="https://publications.waset.org/abstracts/search?q=statistical%20estimation%20problem" title=" statistical estimation problem"> statistical estimation problem</a>, <a href="https://publications.waset.org/abstracts/search?q=statistical%20simulation" title=" statistical simulation"> statistical simulation</a> </p> <a href="https://publications.waset.org/abstracts/11779/characteristic-function-in-estimation-of-probability-distribution-moments" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11779.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">504</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">142</span> Powerful Laser Diode Matrixes for Active Vision Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dzmitry%20M.%20Kabanau">Dzmitry M. Kabanau</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20V.%20Kabanov"> Vladimir V. Kabanov</a>, <a href="https://publications.waset.org/abstracts/search?q=Yahor%20V.%20Lebiadok"> Yahor V. Lebiadok</a>, <a href="https://publications.waset.org/abstracts/search?q=Denis%20V.%20Shabrov"> Denis V. Shabrov</a>, <a href="https://publications.waset.org/abstracts/search?q=Pavel%20V.%20Shpak"> Pavel V. Shpak</a>, <a href="https://publications.waset.org/abstracts/search?q=Gevork%20T.%20Mikaelyan"> Gevork T. Mikaelyan</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexandr%20P.%20Bunichev"> Alexandr P. Bunichev</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article is deal with the experimental investigations of the laser diode matrixes (LDM) based on the AlGaAs/GaAs heterostructures (lasing wavelength 790-880 nm) to find optimal LDM parameters for active vision systems. In particular, the dependence of LDM radiation pulse power on the pulse duration and LDA active layer heating as well as the LDM radiation divergence are discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=active%20vision%20systems" title="active vision systems">active vision systems</a>, <a href="https://publications.waset.org/abstracts/search?q=laser%20diode%20matrixes" title=" laser diode matrixes"> laser diode matrixes</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20properties" title=" thermal properties"> thermal properties</a>, <a href="https://publications.waset.org/abstracts/search?q=radiation%20divergence" title=" radiation divergence"> radiation divergence</a> </p> <a href="https://publications.waset.org/abstracts/19451/powerful-laser-diode-matrixes-for-active-vision-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19451.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">612</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">141</span> Power Management in Wireless Combustible Gas Sensors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Denis%20Spirjakin">Denis Spirjakin</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexander%20Baranov"> Alexander Baranov</a>, <a href="https://publications.waset.org/abstracts/search?q=Saba%20Akbari"> Saba Akbari</a>, <a href="https://publications.waset.org/abstracts/search?q=Natalia%20Kalenova"> Natalia Kalenova</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Sleptsov"> Vladimir Sleptsov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper we propose the approach to power management in wireless combustible gas sensors. This approach makes possible drastically prolong sensor nodes autonomous lifetime. That is necessary to tie battery replacement to every year technical service procedures which are claimed by safety standards. Using this approach the current consumption of the wireless combustible gas sensor node was decreased from 80 mA to less than 2 mA and the power consumption from more than 220 mW to 4.6 mW. These values provide autonomous lifetime of the node more than one year. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gas%20sensors" title="Gas sensors">Gas sensors</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20management" title=" power management"> power management</a>, <a href="https://publications.waset.org/abstracts/search?q=wireless%20sensor%20network" title=" wireless sensor network"> wireless sensor network</a> </p> <a href="https://publications.waset.org/abstracts/26244/power-management-in-wireless-combustible-gas-sensors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26244.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">724</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">140</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">139</span> Web Application for Evaluating Tests in Distance Learning Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bogdan%20Walek">Bogdan Walek</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Bradac"> Vladimir Bradac</a>, <a href="https://publications.waset.org/abstracts/search?q=Radim%20Farana"> Radim Farana</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Distance learning systems offer useful methods of learning and usually contain final course test or another form of test. The paper proposes web application for evaluating tests using expert system in distance learning systems. Proposed web application is appropriate for didactic tests or tests with results for subsequent studying follow-up courses. Web application works with test questions and uses expert system and LFLC tool for test evaluation. After test evaluation the results are visualized and shown to student. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=distance%20learning" title="distance learning">distance learning</a>, <a href="https://publications.waset.org/abstracts/search?q=test" title=" test"> test</a>, <a href="https://publications.waset.org/abstracts/search?q=uncertainty" title=" uncertainty"> uncertainty</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy" title=" fuzzy"> fuzzy</a>, <a href="https://publications.waset.org/abstracts/search?q=expert%20system" title=" expert system"> expert system</a>, <a href="https://publications.waset.org/abstracts/search?q=student" title=" student"> student</a> </p> <a href="https://publications.waset.org/abstracts/39354/web-application-for-evaluating-tests-in-distance-learning-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39354.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">486</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">138</span> Analytical Solutions for Geodesic Acoustic Eigenmodes in Tokamak Plasmas</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Victor%20I.%20Ilgisonis">Victor I. Ilgisonis</a>, <a href="https://publications.waset.org/abstracts/search?q=Ludmila%20V.%20Konovaltseva"> Ludmila V. Konovaltseva</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20P.%20Lakhin"> Vladimir P. Lakhin</a>, <a href="https://publications.waset.org/abstracts/search?q=Ekaterina%20A.%20Sorokina"> Ekaterina A. Sorokina</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The analytical solutions for geodesic acoustic eigenmodes in tokamak plasmas with circular concentric magnetic surfaces are found. In the frame of ideal magnetohydrodynamics the dispersion relation taking into account the toroidal coupling between electrostatic perturbations and electromagnetic perturbations with poloidal mode number |m| = 2 is derived. In the absence of such a coupling the dispersion relation gives the standard continuous spectrum of geodesic acoustic modes. The analysis of the existence of global eigenmodes for plasma equilibria with both off-axis and on-axis maximum of the local geodesic acoustic frequency is performed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tokamak" title="tokamak">tokamak</a>, <a href="https://publications.waset.org/abstracts/search?q=MHD" title=" MHD"> MHD</a>, <a href="https://publications.waset.org/abstracts/search?q=geodesic%20acoustic%20mode" title=" geodesic acoustic mode"> geodesic acoustic mode</a>, <a href="https://publications.waset.org/abstracts/search?q=eigenmode" title=" eigenmode"> eigenmode</a> </p> <a href="https://publications.waset.org/abstracts/11335/analytical-solutions-for-geodesic-acoustic-eigenmodes-in-tokamak-plasmas" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11335.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">734</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">137</span> Signs-Only Compressed Row Storage Format for Exact Diagonalization Study of Quantum Fermionic Models</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Michael%20Danilov">Michael Danilov</a>, <a href="https://publications.waset.org/abstracts/search?q=Sergei%20Iskakov"> Sergei Iskakov</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Mazurenko"> Vladimir Mazurenko</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present paper describes a high-performance parallel realization of an exact diagonalization solver for quantum-electron models in a shared memory computing system. The proposed algorithm contains a storage format for efficient computing eigenvalues and eigenvectors of a quantum electron Hamiltonian matrix. The results of the test calculations carried out for 15 sites Hubbard model demonstrate reduction in the required memory and good multiprocessor scalability, while maintaining performance of the same order as compressed row storage. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sparse%20matrix" title="sparse matrix">sparse matrix</a>, <a href="https://publications.waset.org/abstracts/search?q=compressed%20format" title=" compressed format"> compressed format</a>, <a href="https://publications.waset.org/abstracts/search?q=Hubbard%20model" title=" Hubbard model"> Hubbard model</a>, <a href="https://publications.waset.org/abstracts/search?q=Anderson%20model" title=" Anderson model"> Anderson model</a> </p> <a href="https://publications.waset.org/abstracts/48308/signs-only-compressed-row-storage-format-for-exact-diagonalization-study-of-quantum-fermionic-models" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48308.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">402</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">136</span> Cd2+ Ions Removal from Aqueous Solutions Using Alginite</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vladim%C3%ADr%20Fri%C5%A1t%C3%A1k">Vladimír Frišták</a>, <a href="https://publications.waset.org/abstracts/search?q=Martin%20Pip%C3%AD%C5%A1ka"> Martin Pipíška</a>, <a href="https://publications.waset.org/abstracts/search?q=Juraj%20Lesn%C3%BD"> Juraj Lesný</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Alginate has been evaluated as an efficient pollution control material. In this paper, alginate from maar Pinciná (SR) for removal of Cd2+ ions from aqueous solution was studied. The potential sorbent was characterized by X-Ray Fluorescence Analysis (RFA) analysis, Fourier Transform Infrared Spectral Analysis (FT-IR) and Specific Surface Area (SSA) was also determined. The sorption process was optimized from the point of initial cadmium concentration effect and effect of pH value. The Freundlich and Langmuir models were used to interpret the sorption behaviour of Cd2+ ions, and the results showed that experimental data were well fitted by the Langmuir equation. Alginate maximal sorption capacity (QMAX) for Cd2+ ions calculated from Langmuir isotherm was 34 mg/g. Sorption process was significantly affected by initial pH value in the range from 4.0-7.0. Alginate is a comparable sorbent with other materials for toxic metals removal. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=alginates" title="alginates">alginates</a>, <a href="https://publications.waset.org/abstracts/search?q=Cd2%2B" title=" Cd2+"> Cd2+</a>, <a href="https://publications.waset.org/abstracts/search?q=sorption" title=" sorption"> sorption</a>, <a href="https://publications.waset.org/abstracts/search?q=QMAX" title=" QMAX"> QMAX</a> </p> <a href="https://publications.waset.org/abstracts/3505/cd2-ions-removal-from-aqueous-solutions-using-alginite" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3505.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">358</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">135</span> Laser Ultrasonic Diagnostics and Acoustic Emission Technique for Examination of Rock Specimens under Uniaxial Compression</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elena%20B.%20Cherepetskaya">Elena B. Cherepetskaya</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20A.%20Makarov"> Vladimir A. Makarov</a>, <a href="https://publications.waset.org/abstracts/search?q=Dmitry%20V.%20Morozov"> Dmitry V. Morozov</a>, <a href="https://publications.waset.org/abstracts/search?q=Ivan%20E.%20Sas"> Ivan E. Sas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Laboratory studies of the stress-strain behavior of rocks specimens were conducted by using acoustic emission and laser-ultrasonic diagnostics. The sensitivity of the techniques allowed changes in the internal structure of the specimens under uniaxial compressive load to be examined at micro- and macro scales. It was shown that microcracks appear in geologic materials when the stress level reaches about 50% of breaking strength. Also, the characteristic stress of the main crack formation was registered in the process of single-stage compression of rocks. On the base of laser-ultrasonic echoscopy, 2D visualization of the internal structure of rocky soil specimens was realized, and the microcracks arising during uniaxial compression were registered. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acoustic%20emission" title="acoustic emission">acoustic emission</a>, <a href="https://publications.waset.org/abstracts/search?q=geomaterial" title=" geomaterial"> geomaterial</a>, <a href="https://publications.waset.org/abstracts/search?q=laser%20ultrasound" title=" laser ultrasound"> laser ultrasound</a>, <a href="https://publications.waset.org/abstracts/search?q=uniaxial%20compression" title=" uniaxial compression"> uniaxial compression</a> </p> <a href="https://publications.waset.org/abstracts/54531/laser-ultrasonic-diagnostics-and-acoustic-emission-technique-for-examination-of-rock-specimens-under-uniaxial-compression" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54531.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">134</span> Enhanced Performance of an All-Vanadium Redox Flow Battery Employing Graphene Modified Carbon Paper Electrodes</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Barun%20Chakrabarti">Barun Chakrabarti</a>, <a href="https://publications.waset.org/abstracts/search?q=Dan%20Nir"> Dan Nir</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Yufit"> Vladimir Yufit</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20V.%20Aravind"> P. V. Aravind</a>, <a href="https://publications.waset.org/abstracts/search?q=Nigel%20Brandon"> Nigel Brandon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fuel cell grade gas-diffusion layer carbon paper (CP) electrodes are subjected to electrophoresis in N,N’-dimethylformamide (DMF) consisting of reduced graphene oxide (rGO). The rGO modified electrodes are compared with CP in a single asymmetric all-vanadium redox battery system (employing a double serpentine flow channel for each half-cell). Peak power densities improved by 4% when the rGO deposits were facing the ion-exchange membrane (cell performance was poorer when the rGO was facing the flow field). Cycling of the cells showed least degradation of the CP electrodes that were coated with rGO in comparison to pristine samples. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=all-vanadium%20redox%20flow%20batteries" title="all-vanadium redox flow batteries">all-vanadium redox flow batteries</a>, <a href="https://publications.waset.org/abstracts/search?q=carbon%20paper%20electrodes" title=" carbon paper electrodes"> carbon paper electrodes</a>, <a href="https://publications.waset.org/abstracts/search?q=electrophoretic%20deposition" title=" electrophoretic deposition"> electrophoretic deposition</a>, <a href="https://publications.waset.org/abstracts/search?q=reduced%20graphene%20oxide" title=" reduced graphene oxide"> reduced graphene oxide</a> </p> <a href="https://publications.waset.org/abstracts/71118/enhanced-performance-of-an-all-vanadium-redox-flow-battery-employing-graphene-modified-carbon-paper-electrodes" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/71118.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">228</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">133</span> Distorted Document Images Dataset for Text Detection and Recognition</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ilia%20Zharikov">Ilia Zharikov</a>, <a href="https://publications.waset.org/abstracts/search?q=Philipp%20Nikitin"> Philipp Nikitin</a>, <a href="https://publications.waset.org/abstracts/search?q=Ilia%20Vasiliev"> Ilia Vasiliev</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Dokholyan"> Vladimir Dokholyan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> With the increasing popularity of document analysis and recognition systems, text detection (TD) and optical character recognition (OCR) in document images become challenging tasks. However, according to our best knowledge, no publicly available datasets for these particular problems exist. In this paper, we introduce a Distorted Document Images dataset (DDI-100) and provide a detailed analysis of the DDI-100 in its current state. To create the dataset we collected 7000 unique document pages, and extend it by applying different types of distortions and geometric transformations. In total, DDI-100 contains more than 100,000 document images together with binary text masks, text and character locations in terms of bounding boxes. We also present an analysis of several state-of-the-art TD and OCR approaches on the presented dataset. Lastly, we demonstrate the usefulness of DDI-100 to improve accuracy and stability of the considered TD and OCR models. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=document%20analysis" title="document analysis">document analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=open%20dataset" title=" open dataset"> open dataset</a>, <a href="https://publications.waset.org/abstracts/search?q=optical%20character%20recognition" title=" optical character recognition"> optical character recognition</a>, <a href="https://publications.waset.org/abstracts/search?q=text%20detection" title=" text detection"> text detection</a> </p> <a href="https://publications.waset.org/abstracts/106148/distorted-document-images-dataset-for-text-detection-and-recognition" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/106148.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">173</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">132</span> A CFD Analysis of Hydraulic Characteristics of the Rod Bundles in the BREST-OD-300 Wire-Spaced Fuel Assemblies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dmitry%20V.%20Fomichev">Dmitry V. Fomichev</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20V.%20Solonin"> Vladimir V. Solonin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the findings from a numerical simulation of the flow in 37-rod fuel assembly models spaced by a double-wire trapezoidal wrapping as applied to the BREST-OD-300 experimental nuclear reactor. Data on a high static pressure distribution within the models, and equations for determining the fuel bundle flow friction factors have been obtained. Recommendations are provided on using the closing turbulence models available in the ANSYS Fluent. A comparative analysis has been performed against the existing empirical equations for determining the flow friction factors. The calculated and experimental data fit has been shown. An analysis into the experimental data and results of the numerical simulation of the BREST-OD-300 fuel rod assembly hydrodynamic performance are presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=BREST-OD-300" title="BREST-OD-300">BREST-OD-300</a>, <a href="https://publications.waset.org/abstracts/search?q=ware-spaces" title=" ware-spaces"> ware-spaces</a>, <a href="https://publications.waset.org/abstracts/search?q=fuel%20assembly" title=" fuel assembly"> fuel assembly</a>, <a href="https://publications.waset.org/abstracts/search?q=computation%20fluid%20dynamics" title=" computation fluid dynamics"> computation fluid dynamics</a> </p> <a href="https://publications.waset.org/abstracts/11699/a-cfd-analysis-of-hydraulic-characteristics-of-the-rod-bundles-in-the-brest-od-300-wire-spaced-fuel-assemblies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11699.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">382</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">131</span> Amino Acid Based Biodegradable Amphiphilic Polymers and Micelles as Drug Delivery Systems: Synthesis and Study </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sophio%20Kobauri">Sophio Kobauri</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20P.%20Torchilin"> Vladimir P. Torchilin</a>, <a href="https://publications.waset.org/abstracts/search?q=David%20Tugushi"> David Tugushi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ramaz%20Katsarava"> Ramaz Katsarava</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nanotherapy is an actual newest mode of treatment numerous diseases using nanoparticles (NPs) loading with different pharmaceuticals. NPs of biodegradable polymeric micelles (PMs) are gaining increased attention for their numerous and attractive abilities to be used in a variety of applications in the various fields of medicine. The present paper deals with the synthesis of a class of biodegradable micelle-forming polymers, namely ABA triblock-copolymer in which A-blocks represent amino-poly(ethylene glycol) (H<sub>2</sub>N-PEG) and B-block is biodegradable amino acid-based poly(ester amide) constituted of α-amino acid – L-phenylalanine. The obtained copolymer formed micelles of 70±4 nm size at 10 mg/mL concentration. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=amino%20acids" title="amino acids">amino acids</a>, <a href="https://publications.waset.org/abstracts/search?q=biodegradable%20poly%20%28ester%20amide%29" title=" biodegradable poly (ester amide)"> biodegradable poly (ester amide)</a>, <a href="https://publications.waset.org/abstracts/search?q=amphiphilic%20triblock-copolymer" title=" amphiphilic triblock-copolymer"> amphiphilic triblock-copolymer</a>, <a href="https://publications.waset.org/abstracts/search?q=micelles" title=" micelles"> micelles</a> </p> <a href="https://publications.waset.org/abstracts/85545/amino-acid-based-biodegradable-amphiphilic-polymers-and-micelles-as-drug-delivery-systems-synthesis-and-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85545.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">191</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">130</span> An Approach for Thermal Resistance Prediction of Plain Socks in Wet State</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tariq%20Mansoor">Tariq Mansoor</a>, <a href="https://publications.waset.org/abstracts/search?q=Lubos%20Hes"> Lubos Hes</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Bajzik"> Vladimir Bajzik </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Socks comfort has great significance in our daily life. This significance even increased when we have undergone a work of low or high activity. It causes the sweating of our body with different rates. In this study, plain socks with differential fibre composition were wetted to saturated level. Then after successive intervals of conditioning, these socks are characterized by thermal resistance in dry and wet states. Theoretical thermal resistance is predicted by using combined filling coefficients and thermal conductivity of wet polymers instead of dry polymer (fibre) in different models. By this modification, different mathematical models could predict thermal resistance at different moisture levels. Furthermore, predicted thermal resistance by different models has reasonable correlation range between (0.84 -0.98) with experimental results in both dry (lab conditions moisture) and wet states. "This work is supported by Technical University of Liberec under SGC-2019. Project number is 21314". <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=thermal%20resistance" title="thermal resistance">thermal resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematical%20model" title=" mathematical model"> mathematical model</a>, <a href="https://publications.waset.org/abstracts/search?q=plain%20socks" title=" plain socks"> plain socks</a>, <a href="https://publications.waset.org/abstracts/search?q=moisture%20loss%20rate" title=" moisture loss rate"> moisture loss rate</a> </p> <a href="https://publications.waset.org/abstracts/107432/an-approach-for-thermal-resistance-prediction-of-plain-socks-in-wet-state" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/107432.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">198</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">129</span> Carbon Supported Cu and TiO2 Catalysts Applied for Ozone Decomposition</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Katya%20Milenova">Katya Milenova</a>, <a href="https://publications.waset.org/abstracts/search?q=Penko%20Nikolov"> Penko Nikolov</a>, <a href="https://publications.waset.org/abstracts/search?q=Irina%20Stambolova"> Irina Stambolova</a>, <a href="https://publications.waset.org/abstracts/search?q=Plamen%20Nikolov"> Plamen Nikolov</a>, <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Blaskov"> Vladimir Blaskov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the recent article, a comparison was made between Cu and TiO2 supported catalysts on activated carbon for ozone decomposition reaction. The activated carbon support in the case of TiO2/AC sample was prepared by physicochemical pyrolysis and for Cu/AC samples the supports are chemically modified carbons. The prepared catalysts were synthesized by impregnation method. The samples were annealed in two different regimes-in air and under vacuum. To examine adsorption efficiency of the samples BET method was used. All investigated catalysts supported on chemically modified carbons have higher specific surface area compared to the specific surface area of TiO2 supported catalysts, varying in the range 590÷620 m2/g. The method of synthesis of the precursors had influenced catalytic activity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=activated%20carbon" title="activated carbon">activated carbon</a>, <a href="https://publications.waset.org/abstracts/search?q=adsorption" title=" adsorption"> adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=copper" title=" copper"> copper</a>, <a href="https://publications.waset.org/abstracts/search?q=ozone%20decomposition" title=" ozone decomposition"> ozone decomposition</a>, <a href="https://publications.waset.org/abstracts/search?q=TiO2" title=" TiO2 "> TiO2 </a> </p> <a href="https://publications.waset.org/abstracts/19265/carbon-supported-cu-and-tio2-catalysts-applied-for-ozone-decomposition" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19265.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info 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