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Astrov</title> <meta name="description" content="Search results for: Igor Astrov"> <meta name="keywords" content="Igor Astrov"> <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" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation"> <span class="navbar-toggler-icon"></span> </button> <div class="w-100"> <div class="d-none d-lg-flex flex-row-reverse"> <form method="get" action="https://waset.org/search" class="form-inline my-2 my-lg-0"> <input class="form-control mr-sm-2" type="search" placeholder="Search Conferences" value="Igor Astrov" name="q" aria-label="Search"> <button class="btn btn-light my-2 my-sm-0" type="submit"><i class="fas fa-search"></i></button> </form> </div> <div class="collapse navbar-collapse mt-1" id="navbarMenu"> <ul class="navbar-nav ml-auto align-items-center" id="mainNavMenu"> <li class="nav-item"> <a class="nav-link" href="https://waset.org/conferences" title="Conferences in 2024/2025/2026">Conferences</a> </li> <li class="nav-item"> <a class="nav-link" href="https://waset.org/disciplines" title="Disciplines">Disciplines</a> </li> <li 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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="Igor Astrov"> <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> 97</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Igor Astrov</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">97</span> Proactive Approach to Innovation Management</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Andrus%20Pedai">Andrus Pedai</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Astrov"> Igor Astrov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The focus of this paper is to compare common approaches for Systems of Innovation (SI) and identify proactive alternatives for driving the innovation. Proactive approaches will also consider short and medium term perspectives with developments in the field of Computer Technology and Artificial Intelligence. Concerning computer technology and large connected information systems, it is reasonable to predict that during current or the next century, intelligence and innovation will be separated from the constraints of human-driven management. After this happens, humans will no longer be driving the innovation and there is possibility that SI for new intelligent systems will set its own targets and exclude humans. Over long time scale, these developments could result in a scenario, which will lead to the development of larger, cross galactic (universal) proactive SI and Intelligence. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=artificial%20intelligence" title="artificial intelligence">artificial intelligence</a>, <a href="https://publications.waset.org/abstracts/search?q=DARPA" title=" DARPA"> DARPA</a>, <a href="https://publications.waset.org/abstracts/search?q=Moore%E2%80%99s%20law" title=" Moore’s law"> Moore’s law</a>, <a href="https://publications.waset.org/abstracts/search?q=proactive%20innovation" title=" proactive innovation"> proactive innovation</a>, <a href="https://publications.waset.org/abstracts/search?q=singularity" title=" singularity"> singularity</a>, <a href="https://publications.waset.org/abstracts/search?q=systems%20of%20innovation" title=" systems of innovation"> systems of innovation</a> </p> <a href="https://publications.waset.org/abstracts/11389/proactive-approach-to-innovation-management" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11389.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">480</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">96</span> Neural Network Motion Control of VTAV by NARMA-L2 Controller for Enhanced Situational Awareness</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20Astrov">Igor Astrov</a>, <a href="https://publications.waset.org/abstracts/search?q=Natalya%20Berezovski"> Natalya Berezovski</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper focuses on a critical component of the situational awareness (SA), the control of autonomous vertical flight for vectored thrust aerial vehicle (VTAV). With the SA strategy, we proposed a neural network motion control procedure to address the dynamics variation and performance requirement difference of flight trajectory for a VTAV. This control strategy with using of NARMA-L2 neurocontroller for chosen model of VTAV has been verified by simulation of take-off and forward maneuvers using software package Simulink and demonstrated good performance for fast stabilization of motors, consequently, fast SA with economy in energy can be asserted during search-and-rescue operations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=NARMA-L2%20neurocontroller" title="NARMA-L2 neurocontroller">NARMA-L2 neurocontroller</a>, <a href="https://publications.waset.org/abstracts/search?q=situational%20awareness" title=" situational awareness"> situational awareness</a>, <a href="https://publications.waset.org/abstracts/search?q=vectored%20thrust%20aerial%20vehicle" title=" vectored thrust aerial vehicle"> vectored thrust aerial vehicle</a>, <a href="https://publications.waset.org/abstracts/search?q=aviation" title=" aviation"> aviation</a> </p> <a href="https://publications.waset.org/abstracts/33158/neural-network-motion-control-of-vtav-by-narma-l2-controller-for-enhanced-situational-awareness" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33158.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">421</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">95</span> The Reliability of Wireless Sensor Network</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bohuslava%20Juhasova">Bohuslava Juhasova</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Halenar"> Igor Halenar</a>, <a href="https://publications.waset.org/abstracts/search?q=Martin%20Juhas"> Martin Juhas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The wireless communication is one of the widely used methods of data transfer at the present days. The benefit of this communication method is the partial independence of the infrastructure and the possibility of mobility. In some special applications it is the only way how to connect. This paper presents some problems in the implementation of a sensor network connection for measuring environmental parameters in the area of manufacturing plants. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=network" title="network">network</a>, <a href="https://publications.waset.org/abstracts/search?q=communication" title=" communication"> communication</a>, <a href="https://publications.waset.org/abstracts/search?q=reliability" title=" reliability"> reliability</a>, <a href="https://publications.waset.org/abstracts/search?q=sensors" title=" sensors"> sensors</a> </p> <a href="https://publications.waset.org/abstracts/6442/the-reliability-of-wireless-sensor-network" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6442.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">654</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">94</span> Device for Reversible Hydrogen Isotope Storage with Aluminum Oxide Ceramic Case</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20P.%20Maximkin">Igor P. Maximkin</a>, <a href="https://publications.waset.org/abstracts/search?q=Arkady%20A.%20Yukhimchuk"> Arkady A. Yukhimchuk</a>, <a href="https://publications.waset.org/abstracts/search?q=Victor%20V.%20Baluev"> Victor V. Baluev</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20L.%20Malkov"> Igor L. Malkov</a>, <a href="https://publications.waset.org/abstracts/search?q=Rafael%20K.%20Musyaev"> Rafael K. Musyaev</a>, <a href="https://publications.waset.org/abstracts/search?q=Damir%20T.%20Sitdikov"> Damir T. Sitdikov</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexey%20V.%20Buchirin"> Alexey V. Buchirin</a>, <a href="https://publications.waset.org/abstracts/search?q=Vasily%20V.%20Tikhonov"> Vasily V. Tikhonov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Minimization of tritium diffusion leakage when developing devices handling tritium-containing media is key problems whose solution will at least allow essential enhancement of radiation safety and minimization of diffusion losses of expensive tritium. One of the ways to solve this problem is to use Al₂O₃ high-strength non-porous ceramics as a structural material of the bed body. This alumina ceramics offers high strength characteristics, but its main advantages are low hydrogen permeability (as against the used structural material) and high dielectric properties. The latter enables direct induction heating of an hydride-forming metal without essential heating of the pressure and containment vessel. The use of alumina ceramics and induction heating allows: - essential reduction of tritium extraction time; - several orders reduction of tritium diffusion leakage; - more complete extraction of tritium from metal hydrides due to its higher heating up to melting in the event of final disposal of the device. The paper presents computational and experimental results for the tritium bed designed to absorb 6 liters of tritium. Titanium was used as hydrogen isotope sorbent. Results of hydrogen realize kinetic from hydride-forming metal, strength and cyclic service life tests are reported. Recommendations are also provided for the practical use of the given bed type. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aluminum%20oxide%20ceramic" title="aluminum oxide ceramic">aluminum oxide ceramic</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrogen%20pressure" title=" hydrogen pressure"> hydrogen pressure</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrogen%20isotope%20storage" title=" hydrogen isotope storage"> hydrogen isotope storage</a>, <a href="https://publications.waset.org/abstracts/search?q=titanium%20hydride" title=" titanium hydride"> titanium hydride</a> </p> <a href="https://publications.waset.org/abstracts/62153/device-for-reversible-hydrogen-isotope-storage-with-aluminum-oxide-ceramic-case" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62153.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">407</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">93</span> Proposal for a Mobile Application with Augmented Reality to Improve School Interest</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mamani%20Acurio%20Alex">Mamani Acurio Alex</a>, <a href="https://publications.waset.org/abstracts/search?q=Aguilar%20Alonso%20Igor"> Aguilar Alonso Igor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The lack of interest and the lack of motivation are related. The lack of both in school generates serious problems such as school dropout or a low level of learning. Augmented reality has been very useful in different areas, and in this research, it was implemented in the area of education. Information necessary for the correct development of this mobile application with augmented reality was searched using six different research repositories. It was concluded that the application must be immersive, attractive, and fun for students, and the necessary technologies for its construction were defined. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=augmented%20reality" title="augmented reality">augmented reality</a>, <a href="https://publications.waset.org/abstracts/search?q=Vuforia" title=" Vuforia"> Vuforia</a>, <a href="https://publications.waset.org/abstracts/search?q=school%20interest" title=" school interest"> school interest</a>, <a href="https://publications.waset.org/abstracts/search?q=learning" title=" learning"> learning</a> </p> <a href="https://publications.waset.org/abstracts/160401/proposal-for-a-mobile-application-with-augmented-reality-to-improve-school-interest" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160401.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">91</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">92</span> Constitutive Role of Light in Christian Sacred Architecture</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sokol%20Gojnik">Sokol Gojnik</a>, <a href="https://publications.waset.org/abstracts/search?q=Zorana%3B%20Gojnik"> Zorana; Gojnik</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor"> Igor </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Light is the central theme of sacred architecture of all religions and so of Christianity. The aim of this paper is to emphasize the inner sense of light and its constitutive role in Christian sacred architecture. The theme of light in Christian sacred architecture is fundamentally connected to its meaning and symbolism of light in Christian theology and liturgy. This fundamental connection is opening the space to the symbolic and theological comprehending of light which was present throughout the history of Christianity and which is lacking in contemporary sacred architecture. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=light" title="light">light</a>, <a href="https://publications.waset.org/abstracts/search?q=sacred%20architecture" title=" sacred architecture"> sacred architecture</a>, <a href="https://publications.waset.org/abstracts/search?q=religious%20architecture" title=" religious architecture"> religious architecture</a>, <a href="https://publications.waset.org/abstracts/search?q=phenomenology%20of%20architecture" title=" phenomenology of architecture"> phenomenology of architecture</a> </p> <a href="https://publications.waset.org/abstracts/80768/constitutive-role-of-light-in-christian-sacred-architecture" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/80768.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">236</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">91</span> Mobile Smart Application Proposal for Predicting Calories in Food</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marcos%20Valdez%20Alexander%20Junior">Marcos Valdez Alexander Junior</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Aguilar-Alonso"> Igor Aguilar-Alonso</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Malnutrition is the root of different diseases that universally affect everyone, diseases such as obesity and malnutrition. The objective of this research is to predict the calories of the food to be eaten, developing a smart mobile application to show the user if a meal is balanced. Due to the large percentage of obesity and malnutrition in Peru, the present work is carried out. The development of the intelligent application is proposed with a three-layer architecture, and for the prediction of the nutritional value of the food, the use of pre-trained models based on convolutional neural networks is proposed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=volume%20estimation" title="volume estimation">volume estimation</a>, <a href="https://publications.waset.org/abstracts/search?q=calorie%20estimation" title=" calorie estimation"> calorie estimation</a>, <a href="https://publications.waset.org/abstracts/search?q=artificial%20vision" title=" artificial vision"> artificial vision</a>, <a href="https://publications.waset.org/abstracts/search?q=food%20nutrition" title=" food nutrition"> food nutrition</a> </p> <a href="https://publications.waset.org/abstracts/160580/mobile-smart-application-proposal-for-predicting-calories-in-food" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160580.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">101</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">90</span> Computational Tool for Surface Electromyography Analysis; an Easy Way for Non-Engineers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fabiano%20Araujo%20Soares">Fabiano Araujo Soares</a>, <a href="https://publications.waset.org/abstracts/search?q=Sauro%20Emerick%20Salomoni"> Sauro Emerick Salomoni</a>, <a href="https://publications.waset.org/abstracts/search?q=Joao%20Paulo%20Lima%20da%20Silva"> Joao Paulo Lima da Silva</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Luiz%20Moura"> Igor Luiz Moura</a>, <a href="https://publications.waset.org/abstracts/search?q=Adson%20Ferreira%20da%20Rocha"> Adson Ferreira da Rocha </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents a tool developed in the Matlab platform. It was developed to simplify the analysis of surface electromyography signals (S-EMG) in a way accessible to users that are not familiarized with signal processing procedures. The tool receives data by commands in window fields and generates results as graphics and excel tables. The underlying math of each S-EMG estimator is presented. Setup window and result graphics are presented. The tool was presented to four non-engineer users and all of them managed to appropriately use it after a 5 minutes instruction period. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=S-EMG%20estimators" title="S-EMG estimators">S-EMG estimators</a>, <a href="https://publications.waset.org/abstracts/search?q=electromyography" title=" electromyography"> electromyography</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20electromyography" title=" surface electromyography"> surface electromyography</a>, <a href="https://publications.waset.org/abstracts/search?q=ARV" title=" ARV"> ARV</a>, <a href="https://publications.waset.org/abstracts/search?q=RMS" title=" RMS"> RMS</a>, <a href="https://publications.waset.org/abstracts/search?q=MDF" title=" MDF"> MDF</a>, <a href="https://publications.waset.org/abstracts/search?q=MNF" title=" MNF"> MNF</a>, <a href="https://publications.waset.org/abstracts/search?q=CV" title=" CV"> CV</a> </p> <a href="https://publications.waset.org/abstracts/33667/computational-tool-for-surface-electromyography-analysis-an-easy-way-for-non-engineers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33667.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">560</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">89</span> Grid Pattern Recognition and Suppression in Computed Radiographic Images</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20Belykh">Igor Belykh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Anti-scatter grids used in radiographic imaging for the contrast enhancement leave specific artifacts. Those artifacts may be visible or may cause Moiré effect when a digital image is resized on a diagnostic monitor. In this paper, we propose an automated grid artifacts detection and suppression algorithm which is still an actual problem. Grid artifacts detection is based on statistical approach in spatial domain. Grid artifacts suppression is based on Kaiser bandstop filter transfer function design and application avoiding ringing artifacts. Experimental results are discussed and concluded with description of advantages over existing approaches. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=grid" title="grid">grid</a>, <a href="https://publications.waset.org/abstracts/search?q=computed%20radiography" title=" computed radiography"> computed radiography</a>, <a href="https://publications.waset.org/abstracts/search?q=pattern%20recognition" title=" pattern recognition"> pattern recognition</a>, <a href="https://publications.waset.org/abstracts/search?q=image%20processing" title=" image processing"> image processing</a>, <a href="https://publications.waset.org/abstracts/search?q=filtering" title=" filtering"> filtering</a> </p> <a href="https://publications.waset.org/abstracts/7833/grid-pattern-recognition-and-suppression-in-computed-radiographic-images" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/7833.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">283</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">88</span> Development of Researcher Knowledge in Mathematics Education: Towards a Confluence Framework</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20Kontorovich">Igor Kontorovich</a>, <a href="https://publications.waset.org/abstracts/search?q=Rina%20Zazkis"> Rina Zazkis</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We present a framework of researcher knowledge ‎development in conducting a study in mathematics education. The key ‎components of the framework are: knowledge germane to conducting a ‎particular study, processes of knowledge accumulation, and catalyzing ‎filters that influence a researcher decision making. The components of ‎the framework originated from a confluence between constructs and ‎theories in Mathematics Education, Higher Education and Sociology. ‎Drawing on a self-reflective interview with a leading researcher in ‎mathematics education, professor Michèle Artigue, we illustrate how ‎the framework can be utilized in data analysis. Criteria for framework ‎evaluation are discussed. ‎ <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=community%20of%20practice" title="community of practice">community of practice</a>, <a href="https://publications.waset.org/abstracts/search?q=knowledge%20development" title=" knowledge development"> knowledge development</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematics%20education%20research" title=" mathematics education research"> mathematics education research</a>, <a href="https://publications.waset.org/abstracts/search?q=researcher%20knowledge" title=" researcher knowledge"> researcher knowledge</a> </p> <a href="https://publications.waset.org/abstracts/21167/development-of-researcher-knowledge-in-mathematics-education-towards-a-confluence-framework" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21167.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">509</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">87</span> Development and Test of an Open Source PX4 Controler for omnidirectional Unmanned Surface Vehicle</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=Cezary%20Wieczorkowski"> Cezary Wieczorkowski</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Baranowski"> Igor Baranowski</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, a control system that bridges the gap in support for Unmanned Surface Vessels in the PX4 Opensource Autopilot was developed. The system is designed for an omnidirectional water craft with four motors. A modular autopilot architecture design centred around publish-subscribe interprocess communication was used. The paper presents the implementation and integration process of a generic surface vehicle controller capable of driving any configuration of motors through the recently introduced in control allocator in PX4 autopilot. The proposed approach was successfully tested in a case study through implementation on the ASV Perkoz. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=control%20system" title="control system">control system</a>, <a href="https://publications.waset.org/abstracts/search?q=PX4" title=" PX4"> PX4</a>, <a href="https://publications.waset.org/abstracts/search?q=drones" title=" drones"> drones</a>, <a href="https://publications.waset.org/abstracts/search?q=rovers" title=" rovers"> rovers</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20vessels" title=" surface vessels"> surface vessels</a>, <a href="https://publications.waset.org/abstracts/search?q=omnidirectional" title=" omnidirectional"> omnidirectional</a> </p> <a href="https://publications.waset.org/abstracts/163531/development-and-test-of-an-open-source-px4-controler-for-omnidirectional-unmanned-surface-vehicle" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163531.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">87</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">86</span> Business Intelligence Proposal to Improve Decision Making in Companies Using Google Cloud Platform and Microsoft Power BI</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Joel%20Vilca%20Tarazona">Joel Vilca Tarazona</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Aguilar-Alonso"> Igor Aguilar-Alonso</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The problem of this research related to business intelligence is the lack of a tool that supports automated and efficient financial analysis for decision-making and allows an evaluation of the financial statements, which is why the availability of the information is difficult. Relevant information to managers and users as an instrument in decision making financial, and administrative. For them, a business intelligence solution is proposed that will reduce information access time, personnel costs, and process automation, proposing a 4-layer architecture based on what was reviewed by the research methodology. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=decision%20making" title="decision making">decision making</a>, <a href="https://publications.waset.org/abstracts/search?q=business%20intelligence" title=" business intelligence"> business intelligence</a>, <a href="https://publications.waset.org/abstracts/search?q=Google%20Cloud" title=" Google Cloud"> Google Cloud</a>, <a href="https://publications.waset.org/abstracts/search?q=Microsoft%20Power%20BI" title=" Microsoft Power BI"> Microsoft Power BI</a> </p> <a href="https://publications.waset.org/abstracts/160680/business-intelligence-proposal-to-improve-decision-making-in-companies-using-google-cloud-platform-and-microsoft-power-bi" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160680.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">100</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">85</span> The Theory of Relativity (K)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20Vladimirovich%20Kuzminov">Igor Vladimirovich Kuzminov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The proposed article is an alternative version of the Theory of Relativity. The version is based on the concepts of classical Newtonian physics and does not deny the existing calculation base. The proposed theory completely denies Einstein's existing Theory of Relativity. The only thing that connects these theories is that the proposed theory is also built on postulates. The proposed theory is intended to establish the foundation of classical Newtonian physics. The proposed theory is intended to establish continuity in the development of the fundamentals of physics and is intended to eliminate all kinds of speculation in explanations of physical phenomena. An example of such speculation is Einstein's Theory of Relativity (E). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=the%20theory%20of%20relativity" title="the theory of relativity">the theory of relativity</a>, <a href="https://publications.waset.org/abstracts/search?q=postulates%20of%20the%20theory%20of%20relativity" title=" postulates of the theory of relativity"> postulates of the theory of relativity</a>, <a href="https://publications.waset.org/abstracts/search?q=criticism%20of%20Einstein%27s%20theory" title=" criticism of Einstein's theory"> criticism of Einstein's theory</a>, <a href="https://publications.waset.org/abstracts/search?q=classical%20physics" title=" classical physics"> classical physics</a> </p> <a href="https://publications.waset.org/abstracts/188535/the-theory-of-relativity-k" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/188535.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">54</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">84</span> Proposal to Increase the Efficiency, Reliability and Safety of the Centre of Data Collection Management and Their Evaluation Using Cluster Solutions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Martin%20Juhas">Martin Juhas</a>, <a href="https://publications.waset.org/abstracts/search?q=Bohuslava%20Juhasova"> Bohuslava Juhasova</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Halenar"> Igor Halenar</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrej%20Elias"> Andrej Elias</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article deals with the possibility of increasing efficiency, reliability and safety of the system for teledosimetric data collection management and their evaluation as a part of complex study for activity “Research of data collection, their measurement and evaluation with mobile and autonomous units” within project “Research of monitoring and evaluation of non-standard conditions in the area of nuclear power plants”. Possible weaknesses in existing system are identified. A study of available cluster solutions with possibility of their deploying to analysed system is presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=teledosimetric%20data" title="teledosimetric data">teledosimetric data</a>, <a href="https://publications.waset.org/abstracts/search?q=efficiency" title=" efficiency"> efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=reliability" title=" reliability"> reliability</a>, <a href="https://publications.waset.org/abstracts/search?q=safety" title=" safety"> safety</a>, <a href="https://publications.waset.org/abstracts/search?q=cluster%20solution" title=" cluster solution"> cluster solution</a> </p> <a href="https://publications.waset.org/abstracts/6432/proposal-to-increase-the-efficiency-reliability-and-safety-of-the-centre-of-data-collection-management-and-their-evaluation-using-cluster-solutions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6432.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">516</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">83</span> Next-Viz: A Literature Review and Web-Based Visualization Tool Proposal</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Railly%20Hugo">Railly Hugo</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Aguilar-Alonso"> Igor Aguilar-Alonso</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Software visualization is a powerful tool for understanding complex software systems. However, current visualization tools often lack features or are difficult to use, limiting their effectiveness. In this paper, we present next-viz, a proposed web-based visualization tool that addresses these challenges. We provide a literature review of existing software visualization techniques and tools and describe the architecture of next-viz in detail. Our proposed tool incorporates state-of-the-art visualization techniques and is designed to be user-friendly and intuitive. We believe next-viz has the potential to advance the field of software visualization significantly. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=software%20visualization" title="software visualization">software visualization</a>, <a href="https://publications.waset.org/abstracts/search?q=literature%20review" title=" literature review"> literature review</a>, <a href="https://publications.waset.org/abstracts/search?q=tool%20proposal" title=" tool proposal"> tool proposal</a>, <a href="https://publications.waset.org/abstracts/search?q=next-viz" title=" next-viz"> next-viz</a>, <a href="https://publications.waset.org/abstracts/search?q=web-based" title=" web-based"> web-based</a>, <a href="https://publications.waset.org/abstracts/search?q=architecture" title=" architecture"> architecture</a>, <a href="https://publications.waset.org/abstracts/search?q=visualization%20techniques" title=" visualization techniques"> visualization techniques</a>, <a href="https://publications.waset.org/abstracts/search?q=user-friendly" title=" user-friendly"> user-friendly</a>, <a href="https://publications.waset.org/abstracts/search?q=intuitive" title=" intuitive"> intuitive</a> </p> <a href="https://publications.waset.org/abstracts/160508/next-viz-a-literature-review-and-web-based-visualization-tool-proposal" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160508.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">84</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">82</span> Proposal for a Web System for the Control of Fungal Diseases in Grapes in Fruits Markets</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Tarme%C3%B1o%20Noriega">Carlos Tarmeño Noriega</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Aguilar%20Alonso"> Igor Aguilar Alonso</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fungal diseases are common in vineyards; they cause a decrease in the quality of the products that can be sold, generating distrust of the customer towards the seller when buying fruit. Currently, technology allows the classification of fruits according to their characteristics thanks to artificial intelligence. This study proposes the implementation of a control system that allows the identification of the main fungal diseases present in the Italia grape, making use of a convolutional neural network (CNN), OpenCV, and TensorFlow. The methodology used was based on a collection of 20 articles referring to the proposed research on quality control, classification, and recognition of fruits through artificial vision techniques. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=computer%20vision" title="computer vision">computer vision</a>, <a href="https://publications.waset.org/abstracts/search?q=convolutional%20neural%20networks" title=" convolutional neural networks"> convolutional neural networks</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20control" title=" quality control"> quality control</a>, <a href="https://publications.waset.org/abstracts/search?q=fruit%20market" title=" fruit market"> fruit market</a>, <a href="https://publications.waset.org/abstracts/search?q=OpenCV" title=" OpenCV"> OpenCV</a>, <a href="https://publications.waset.org/abstracts/search?q=TensorFlow" title=" TensorFlow"> TensorFlow</a> </p> <a href="https://publications.waset.org/abstracts/160550/proposal-for-a-web-system-for-the-control-of-fungal-diseases-in-grapes-in-fruits-markets" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/160550.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">84</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">81</span> Improvement of the Calciferous Minerals Floatability through the Application of High-Power Electromagnetic Pulses</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Valentine%20A.%20Chanturiya">Valentine A. Chanturiya</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Zh.%20Bunin"> Igor Zh. Bunin</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20V.%20Ryazantseva"> Maria V. Ryazantseva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The modification of structural and chemical properties of fluorite, scheelite and calcite under the impact of high-power electromagnetic pulses (HPEMP-treatment) were studied with the help of adsorption of acid-base indicators and atomic – force microscopy (AFM). The HPEMP-treatment during the space of 30 seconds resulted in the intensification of fluorite surface the electron-donating ability and acceptor properties of calcite and scheelite surfaces. High-power electromagnetic treatment of the single minerals resulted in the improvement of the calciferous minerals floatability. The rising of the scheelite recovery is 10 – 12%, fluorite – 5 – 6%, calcite – 7 – 8%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=calcite" title="calcite">calcite</a>, <a href="https://publications.waset.org/abstracts/search?q=fluorite" title=" fluorite"> fluorite</a>, <a href="https://publications.waset.org/abstracts/search?q=scheelite" title=" scheelite"> scheelite</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20power%20electromagnetic%20pulses" title=" high power electromagnetic pulses"> high power electromagnetic pulses</a>, <a href="https://publications.waset.org/abstracts/search?q=floatability" title=" floatability"> floatability</a> </p> <a href="https://publications.waset.org/abstracts/64752/improvement-of-the-calciferous-minerals-floatability-through-the-application-of-high-power-electromagnetic-pulses" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64752.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">288</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">80</span> An Analysis of the Differences between Three Levels Water Polo Players Based on Indicators of Efficiency</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mladen%20Hraste">Mladen Hraste</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Jelaska"> Igor Jelaska</a>, <a href="https://publications.waset.org/abstracts/search?q=Ivan%20Granic"> Ivan Granic</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The scope of this research is the identification and explanation of differences of three levels of water polo players in some parameters of effectiveness. The sample for this study was 132 matches of the Adriatic Water Polo League in the 2013/14 competition season. Using the Kruskal-Wallis test and multiple comparisons of mean ranks for all groups at the significance level of α=0, 05, the hypothesis that there are significant differences between groups of respondents in ten of the seventeen variables of effectiveness was confirmed. There is a reasonable possibility that the differences are caused by the degree of learned and implemented tactical knowledge, the degree of scoring ability and the best selection for certain roles in the team. The results of this study can be applied to selection of teams and players, for the selection of the appropriate match concept and for organizing training process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=scoring%20abilities" title="scoring abilities">scoring abilities</a>, <a href="https://publications.waset.org/abstracts/search?q=selection" title=" selection"> selection</a>, <a href="https://publications.waset.org/abstracts/search?q=tactical%20knowledge" title=" tactical knowledge"> tactical knowledge</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20polo%20effectiveness" title=" water polo effectiveness"> water polo effectiveness</a> </p> <a href="https://publications.waset.org/abstracts/21309/an-analysis-of-the-differences-between-three-levels-water-polo-players-based-on-indicators-of-efficiency" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/21309.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">502</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">79</span> Virtualization of Production Using Digital Twin Technology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bohuslava%20Juhasova">Bohuslava Juhasova</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Halenar"> Igor Halenar</a>, <a href="https://publications.waset.org/abstracts/search?q=Martin%20Juhas"> Martin Juhas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The contribution deals with the current situation in modern manufacturing enterprises, which is affected by digital virtualization of different parts of the production process. The overview part of this article points to the fact, that wide informatization of all areas causes substitution of real elements and relationships between them with their digital, often virtual images, in real practice. Key characteristics of the systems implemented using digital twin technology along with essential conditions for intelligent products deployment were identified across many published studies. The goal was to propose a template for the production system realization using digital twin technology as a supplement to standardized concepts for Industry 4.0. The main resulting idea leads to the statement that the current trend of implementation of the new technologies and ways of communication between industrial facilities erases the boundaries between the real environment and the virtual world. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=communication" title="communication">communication</a>, <a href="https://publications.waset.org/abstracts/search?q=digital%20twin" title=" digital twin"> digital twin</a>, <a href="https://publications.waset.org/abstracts/search?q=Industry%204.0" title=" Industry 4.0"> Industry 4.0</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=virtualization" title=" virtualization"> virtualization</a> </p> <a href="https://publications.waset.org/abstracts/98221/virtualization-of-production-using-digital-twin-technology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/98221.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">250</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">78</span> Reconnecting The Peripheral Wagons to the Euro Area Core Locomotive</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20Velickovski">Igor Velickovski</a>, <a href="https://publications.waset.org/abstracts/search?q=Aleksandar%20Stojkov"> Aleksandar Stojkov</a>, <a href="https://publications.waset.org/abstracts/search?q=Ivana%20Rajkovic"> Ivana Rajkovic</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper investigates drivers of shock synchronization using quarterly data for 27 European countries over the period 1999-2013 and taking into account the difference between core (‘the euro area core locomotive’) and peripheral euro area and transition countries (‘the peripheral wagons’). Results from panel error-correction models suggest that core of the euro area has not been strong magnetizer of the shock convergence of periphery and transition countries since the euro inception as a result of the offsetting effects of the various factors that affected the shock convergence process. These findings challenge the endogeneity hypothesis in the optimum currency area framework and rather support the specialisation paradigm which is concerning evidence for the future stability of the euro area. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dynamic%20panel%20models" title="dynamic panel models">dynamic panel models</a>, <a href="https://publications.waset.org/abstracts/search?q=shock%20synchronisation" title=" shock synchronisation"> shock synchronisation</a>, <a href="https://publications.waset.org/abstracts/search?q=trade" title=" trade"> trade</a>, <a href="https://publications.waset.org/abstracts/search?q=optimum%20currency%20area" title=" optimum currency area"> optimum currency area</a> </p> <a href="https://publications.waset.org/abstracts/35361/reconnecting-the-peripheral-wagons-to-the-euro-area-core-locomotive" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35361.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">359</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">77</span> Towards the Inhibition Mechanism of Lysozyme Fibrillation by Hydrogen Sulfide</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Indra%20Gonzalez%20Ojeda">Indra Gonzalez Ojeda</a>, <a href="https://publications.waset.org/abstracts/search?q=Tatiana%20Quinones"> Tatiana Quinones</a>, <a href="https://publications.waset.org/abstracts/search?q=Manuel%20Rosario"> Manuel Rosario</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Lednev"> Igor Lednev</a>, <a href="https://publications.waset.org/abstracts/search?q=Juan%20Lopez%20Garriga"> Juan Lopez Garriga</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Amyloid fibrils are stable aggregates of misfolded protein associated with many neurodegenerative disorders. It has been shown that hydrogen sulfide (H2S), inhibits the fibrillation of lysozyme through the formation of trisulfide (S-S-S) bonds. However, the overall mechanism remains elusive. Here, the concentration dependence of H2S effect was investigated using Atomic force microscopy (AFM), non-resonance Raman spectroscopy, Deep-UV Raman spectroscopy and circular dichroism (CD). It was found that small spherical aggregates with trisulfide bonds and a unique secondary structure were formed instead of amyloid fibrils when adding concentrations of 25 mM and 50 mM of H2S. This could indicate that H2S might serve as a protecting agent for the protein. However, further characterization of these aggregates and their trisulfide bonds is needed to fully unravel the function H2S has on protein fibrillation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=amyloid%20fibrils" title="amyloid fibrils">amyloid fibrils</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrogen%20sulfide" title=" hydrogen sulfide"> hydrogen sulfide</a>, <a href="https://publications.waset.org/abstracts/search?q=protein%20folding" title=" protein folding"> protein folding</a>, <a href="https://publications.waset.org/abstracts/search?q=raman%20spectroscopy" title=" raman spectroscopy"> raman spectroscopy</a> </p> <a href="https://publications.waset.org/abstracts/86031/towards-the-inhibition-mechanism-of-lysozyme-fibrillation-by-hydrogen-sulfide" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/86031.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">217</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">76</span> Low Cost Surface Electromyographic Signal Amplifier Based on Arduino Microcontroller</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20Luiz%20Bernardes%20de%20Moura">Igor Luiz Bernardes de Moura</a>, <a href="https://publications.waset.org/abstracts/search?q=Luan%20Carlos%20de%20Sena%20Monteiro%20Ozelim"> Luan Carlos de Sena Monteiro Ozelim</a>, <a href="https://publications.waset.org/abstracts/search?q=Fabiano%20Araujo%20Soares"> Fabiano Araujo Soares</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The development of a low cost acquisition system of S-EMG signals which are reliable, comfortable for the user and with high mobility shows to be a relevant proposition in modern biomedical engineering scenario. In the study, the sampling capacity of the Arduino microcontroller Atmel Atmega328 with an A/D converter with 10-bit resolution and its reconstructing capability of a signal of surface electromyography are analyzed. An electronic circuit to capture the signal through two differential channels was designed, signals from Biceps Brachialis of a healthy man of 21 years was acquired to test the system prototype. ARV, MDF, MNF and RMS estimators were used to compare de acquired signals with physiological values. The Arduino was configured with a sampling frequency of 1.5 kHz for each channel, and the tests with the circuit designed offered a SNR of 20.57dB. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electromyography" title="electromyography">electromyography</a>, <a href="https://publications.waset.org/abstracts/search?q=Arduino" title=" Arduino"> Arduino</a>, <a href="https://publications.waset.org/abstracts/search?q=low-cost" title=" low-cost"> low-cost</a>, <a href="https://publications.waset.org/abstracts/search?q=atmel%20atmega328%20microcontroller" title=" atmel atmega328 microcontroller"> atmel atmega328 microcontroller</a> </p> <a href="https://publications.waset.org/abstracts/5919/low-cost-surface-electromyographic-signal-amplifier-based-on-arduino-microcontroller" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5919.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">368</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">75</span> Uplift Modeling Approach to Optimizing Content Quality in Social Q/A Platforms</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20A.%20Podgorny">Igor A. Podgorny</a> </p> <p class="card-text"><strong>Abstract:</strong></p> TurboTax AnswerXchange is a social Q/A system supporting users working on federal and state tax returns. Content quality and popularity in the AnswerXchange can be predicted with propensity models using attributes of the question and answer. Using uplift modeling, we identify features of questions and answers that can be modified during the question-asking and question-answering experience in order to optimize the AnswerXchange content quality. We demonstrate that adding details to the questions always results in increased question popularity that can be used to promote good quality content. Responding to close-ended questions assertively improve content quality in the AnswerXchange in 90% of cases. Answering knowledge questions with web links increases the likelihood of receiving a negative vote from 60% of the askers. Our findings provide a rationale for employing the uplift modeling approach for AnswerXchange operations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=customer%20relationship%20management" title="customer relationship management">customer relationship management</a>, <a href="https://publications.waset.org/abstracts/search?q=human-machine%20interaction" title=" human-machine interaction"> human-machine interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=text%20mining" title=" text mining"> text mining</a>, <a href="https://publications.waset.org/abstracts/search?q=uplift%20modeling" title=" uplift modeling "> uplift modeling </a> </p> <a href="https://publications.waset.org/abstracts/30710/uplift-modeling-approach-to-optimizing-content-quality-in-social-qa-platforms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30710.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">244</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">74</span> Hypothesis about the Origin of the Lighting</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20Kuzminov">Igor Kuzminov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Till now, the nature of lightning is not established. A hypothesis of the origin of lightning is proposed. The lightning charge is formed by electromagnetic induction. The role of the conductor is performed by the air mass of the cloud. This conductor moves in the Earth's magnetic field. The upper and lower edges of the cloud are the plates of the capacitor. Lightning is a special case of electromagnetic processes in an atmosphere. The category of lightning occurs in the process of accumulation of a charge. The process of accumulation goes constantly, but the charge is not fixed. Naturally, the hypothesis demands the carrying out of additional experiments and official acknowledgement. As the proof of a hypothesis can serve that the maximal lighting activity in an equatorial zone where cosφ it is close to 1. An experiment conducted privately showed that there is a potential difference in the atmosphere at different levels. The probability of applied value development of power installation is great. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20induction" title="electromagnetic induction">electromagnetic induction</a>, <a href="https://publications.waset.org/abstracts/search?q=Earth%27s%20magnetic%20field" title=" Earth's magnetic field"> Earth's magnetic field</a>, <a href="https://publications.waset.org/abstracts/search?q=plates%20of%20the%20capacitors" title=" plates of the capacitors"> plates of the capacitors</a>, <a href="https://publications.waset.org/abstracts/search?q=charge%20accumulation" title=" charge accumulation"> charge accumulation</a> </p> <a href="https://publications.waset.org/abstracts/168478/hypothesis-about-the-origin-of-the-lighting" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168478.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">85</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">73</span> Picture of the World by the Second Law of Thermodynamic</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20V.%20Kuzminov">Igor V. Kuzminov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> According to its content, the proposed article is a collection of articles with comments and additions. All articles, in one way or another, have a connection with the Second Law of Thermodynamics. The content of the articles is given in a concise form. The articles were published in different journals at different times. Main topics are presented: gravity, biography of the Earth, physics of global warming-cooling cycles, multiverse. The articles are based on the laws of classical physics. Along the way, it should be noted that the Second Law of thermodynamics can be formulated as the Law of Matter Cooling. As it cools down, the processes of condensation, separation, and changes in the aggregate states of matter occur. In accordance with these changes, a picture of the world is being formed. Also, the main driving force of these processes is the inverse temperature dependence of the forces of gravity. As matter cools, the forces of gravity increase. The actions of these phenomena in the compartment form a picture of the world. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=gravitational%20forces" title="gravitational forces">gravitational forces</a>, <a href="https://publications.waset.org/abstracts/search?q=cooling%20of%20matter" title=" cooling of matter"> cooling of matter</a>, <a href="https://publications.waset.org/abstracts/search?q=inverse%20temperature%20dependence%20of%20gravitational%20forces" title=" inverse temperature dependence of gravitational forces"> inverse temperature dependence of gravitational forces</a>, <a href="https://publications.waset.org/abstracts/search?q=planetary%20model%20of%20the%20atom" title=" planetary model of the atom"> planetary model of the atom</a> </p> <a href="https://publications.waset.org/abstracts/172167/picture-of-the-world-by-the-second-law-of-thermodynamic" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172167.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">244</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">72</span> Crystalline Silicon Optical Whispering Gallery Mode (WGM) Resonators for Precision Measurements</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20Bilenko">Igor Bilenko</a>, <a href="https://publications.waset.org/abstracts/search?q=Artem%20Shitikov"> Artem Shitikov</a>, <a href="https://publications.waset.org/abstracts/search?q=Michael%20Gorodetsky"> Michael Gorodetsky</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Optical whispering gallery mode (WGM) resonators combine very high optical quality factor (Q) with small size. Resonators made from low loss crystalline fluorites (CaF2, MgF2) may have Q as high as 1010 that make them unique devices for modern applications including ultrasensitive sensors, frequency control, and precision spectroscopy. While silicon is a promising material transparent from near infrared to terahertz frequencies, fundamental limit for Si WGM quality factor was not reached yet. In our paper, we presented experimental results on the preparation and testing of resonators at 1550 nm wavelength made from crystalline silicon grown and treated by different techniques. Q as high as 3x107 was demonstrated. Future steps need to reach a higher value and possible applications are discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=optical%20quality%20factor" title="optical quality factor">optical quality factor</a>, <a href="https://publications.waset.org/abstracts/search?q=silicon%20optical%20losses" title=" silicon optical losses"> silicon optical losses</a>, <a href="https://publications.waset.org/abstracts/search?q=silicon%20optical%20resonator" title=" silicon optical resonator"> silicon optical resonator</a>, <a href="https://publications.waset.org/abstracts/search?q=whispering%20gallery%20modes" title=" whispering gallery modes"> whispering gallery modes</a> </p> <a href="https://publications.waset.org/abstracts/81630/crystalline-silicon-optical-whispering-gallery-mode-wgm-resonators-for-precision-measurements" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81630.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">494</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">71</span> Applying the Fuzzy Analytic Network Process to Establish the Relative Importance of Knowledge Sharing Barriers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Van%20Dong%20Phung">Van Dong Phung</a>, <a href="https://publications.waset.org/abstracts/search?q=Igor%20Hawryszkiewycz"> Igor Hawryszkiewycz</a>, <a href="https://publications.waset.org/abstracts/search?q=Kyeong%20Kang"> Kyeong Kang</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20Hatim%20Binsawad"> Muhammad Hatim Binsawad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Knowledge sharing (KS) is the key to creativity and innovation in any organizations. Overcoming the KS barriers has created new challenges for designing in dynamic and complex environment. There may be interrelations and interdependences among the barriers. The purpose of this paper is to present a review of literature of KS barriers and impute the relative importance of them through the fuzzy analytic network process that is a generalization of the analytical hierarchy process (AHP). It helps to prioritize the barriers to find ways to remove them to facilitate KS. The study begins with a brief description of KS barriers and the most critical ones. The FANP and its role in identifying the relative importance of KS barriers are explained. The paper, then, proposes the model for research and expected outcomes. The study suggests that the use of the FANP is appropriate to impute the relative importance of KS barriers which are intertwined and interdependent. Implications and future research are also proposed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=FANP" title="FANP">FANP</a>, <a href="https://publications.waset.org/abstracts/search?q=ANP" title=" ANP"> ANP</a>, <a href="https://publications.waset.org/abstracts/search?q=knowledge%20sharing%20barriers" title=" knowledge sharing barriers"> knowledge sharing barriers</a>, <a href="https://publications.waset.org/abstracts/search?q=knowledge%20sharing" title=" knowledge sharing"> knowledge sharing</a>, <a href="https://publications.waset.org/abstracts/search?q=removing%20barriers" title=" removing barriers"> removing barriers</a>, <a href="https://publications.waset.org/abstracts/search?q=knowledge%20management" title=" knowledge management"> knowledge management</a> </p> <a href="https://publications.waset.org/abstracts/56675/applying-the-fuzzy-analytic-network-process-to-establish-the-relative-importance-of-knowledge-sharing-barriers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56675.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">335</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">70</span> Modeling of Enthalpy and Heat Capacity of Phase-Change Materials</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20Medved">Igor Medved</a>, <a href="https://publications.waset.org/abstracts/search?q=Anton%20Trnik"> Anton Trnik</a>, <a href="https://publications.waset.org/abstracts/search?q=Libor%20Vozar"> Libor Vozar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Phase-change materials (PCMs) are of great interest in the applications where a temperature level needs to be maintained and/or where there is demand for thermal energy storage. Examples are storage of solar energy, cold, and space heating/cooling of buildings. During a phase change, the enthalpy vs. temperature plot of PCMs shows a jump and there is a distinct peak in the heat capacity plot. We present a theoretical description from which these jumps and peaks can be obtained. We apply our theoretical results to fit experimental data with very good accuracy for selected materials and changes between two phases. The development is based on the observation that PCMs are polycrystalline; i.e., composed of many single-crystalline grains. The enthalpy and heat capacity are thus interpreted as averages of the contributions from the individual grains. We also show how to determine the baseline and excess part of the heat capacity and thus the latent heat corresponding to the phase change. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=averaging" title="averaging">averaging</a>, <a href="https://publications.waset.org/abstracts/search?q=enthalpy%20jump" title=" enthalpy jump"> enthalpy jump</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20capacity%20peak" title=" heat capacity peak"> heat capacity peak</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20change" title=" phase change"> phase change</a> </p> <a href="https://publications.waset.org/abstracts/62362/modeling-of-enthalpy-and-heat-capacity-of-phase-change-materials" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62362.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">460</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">69</span> Corrosion Behavior of Fe-Ni-Cr and Zr Alloys in Supercritical Water Reactors</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20Svishchev">Igor Svishchev</a>, <a href="https://publications.waset.org/abstracts/search?q=Kashif%20Choudhry"> Kashif Choudhry</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Progress in advanced energy technologies is not feasible without understanding how engineering materials perform under extreme environmental conditions. The corrosion behaviour of Fe-Ni-Cr and Zr alloys has been systematically examined under high-temperature and supercritical water flow conditions. The changes in elemental release rate and dissolved gas concentration provide valuable insights into the mechanism of passivation by forming oxide films. A non-intrusive method for monitoring the extent of surface oxidation based on hydrogen release rate has been developed. This approach can be used for the on-line monitoring corrosion behavior of reactor materials without the need to interrupt the flow and remove corrosion coupons. Surface catalysed thermochemical reactions may generate sufficient hydrogen to have an effect on the accumulation of oxidizing species generated by radiolytic processes in the heat transport systems of the supercritical water cooled nuclear reactor. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=high-temperature%20corrosion" title="high-temperature corrosion">high-temperature corrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=non-intrusive%20monitoring" title=" non-intrusive monitoring"> non-intrusive monitoring</a>, <a href="https://publications.waset.org/abstracts/search?q=reactor%20materials" title=" reactor materials"> reactor materials</a>, <a href="https://publications.waset.org/abstracts/search?q=supercritical%20water" title=" supercritical water"> supercritical water</a> </p> <a href="https://publications.waset.org/abstracts/128855/corrosion-behavior-of-fe-ni-cr-and-zr-alloys-in-supercritical-water-reactors" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/128855.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">137</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">68</span> Study of Debonding of Composite Material from a Deforming Concrete Beam Using Infrared Thermography</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Igor%20Shardakov">Igor Shardakov</a>, <a href="https://publications.waset.org/abstracts/search?q=Anton%20Bykov"> Anton Bykov</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexey%20Shestakov"> Alexey Shestakov</a>, <a href="https://publications.waset.org/abstracts/search?q=Irina%20Glot"> Irina Glot</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article focuses on the cycle of experimental studies of the formation of cracks and debondings in the concrete reinforced with carbon fiber. This research was carried out in Perm National Research Polytechnic University. A series of CFRP-strengthened RC beams was tested to investigate the influence of preload and crack repairing factors on CFRP debonding. IRT was applied to detect the early stage of IC debonding during the laboratory bending tests. It was found that for the beams strengthened under load after crack injecting, СFRP debonding strain is 4-65% lower than for the preliminary strengthened beams. The beams strengthened under the load had a relative area of debonding of 2 times higher than preliminary strengthened beams. The СFRP debonding strain is weakly dependent on the strength of the concrete substrate. For beams with a transverse wrapping anchorage in support sections FRP debonding is not a failure mode. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=IC%20debonding" title="IC debonding">IC debonding</a>, <a href="https://publications.waset.org/abstracts/search?q=infrared%20thermography" title=" infrared thermography"> infrared thermography</a>, <a href="https://publications.waset.org/abstracts/search?q=non-destructive%20testing%20methods" title=" non-destructive testing methods"> non-destructive testing methods</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20control" title=" quality control"> quality control</a>, <a href="https://publications.waset.org/abstracts/search?q=strengthening" title=" strengthening"> strengthening</a> </p> <a href="https://publications.waset.org/abstracts/52619/study-of-debonding-of-composite-material-from-a-deforming-concrete-beam-using-infrared-thermography" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52619.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">267</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=Igor%20Astrov&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Igor%20Astrov&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Igor%20Astrov&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Igor%20Astrov&page=2" rel="next">&rsaquo;</a></li> 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