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Duran</title> <meta name="description" content="Search results for: Olga Duran"> <meta name="keywords" content="Olga Duran"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Olga Duran"> <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> 173</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Olga Duran</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">173</span> Hyperspectral Band Selection for Oil Spill Detection Using Deep Neural Network</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Asmau%20Mukhtar%20Ahmed">Asmau Mukhtar Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20Duran"> Olga Duran</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Hydrocarbon (HC) spills constitute a significant problem that causes great concern to the environment. With the latest technology (hyperspectral images) and state of the earth techniques (image processing tools), hydrocarbon spills can easily be detected at an early stage to mitigate the effects caused by such menace. In this study; a controlled laboratory experiment was used, and clay soil was mixed and homogenized with different hydrocarbon types (diesel, bio-diesel, and petrol). The different mixtures were scanned with HYSPEX hyperspectral camera under constant illumination to generate the hypersectral datasets used for this experiment. So far, the Short Wave Infrared Region (SWIR) has been exploited in detecting HC spills with excellent accuracy. However, the Near-Infrared Region (NIR) is somewhat unexplored with regards to HC contamination and how it affects the spectrum of soils. In this study, Deep Neural Network (DNN) was applied to the controlled datasets to detect and quantify the amount of HC spills in soils in the Near-Infrared Region. The initial results are extremely encouraging because it indicates that the DNN was able to identify features of HC in the Near-Infrared Region with a good level of accuracy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hydrocarbon" title="hydrocarbon">hydrocarbon</a>, <a href="https://publications.waset.org/abstracts/search?q=Deep%20Neural%20Network" title=" Deep Neural Network"> Deep Neural Network</a>, <a href="https://publications.waset.org/abstracts/search?q=short%20wave%20infrared%20region" title="short wave infrared region">short wave infrared region</a>, <a href="https://publications.waset.org/abstracts/search?q=near-infrared%20region" title=" near-infrared region"> near-infrared region</a>, <a href="https://publications.waset.org/abstracts/search?q=hyperspectral%20image" title=" hyperspectral image"> hyperspectral image</a> </p> <a href="https://publications.waset.org/abstracts/153072/hyperspectral-band-selection-for-oil-spill-detection-using-deep-neural-network" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/153072.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">113</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">172</span> Frequency of Gastrointestinal Manifestations in Systemic Sclerosis and Impact of Rituximab Treatment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Liudmila%20Garzanova">Liudmila Garzanova</a>, <a href="https://publications.waset.org/abstracts/search?q=Lidia%20Ananyeva"> Lidia Ananyeva</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20Koneva"> Olga Koneva</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20Ovsyannikova"> Olga Ovsyannikova</a>, <a href="https://publications.waset.org/abstracts/search?q=Oxana%20Desinova"> Oxana Desinova</a>, <a href="https://publications.waset.org/abstracts/search?q=Mayya%20Starovoytova"> Mayya Starovoytova</a>, <a href="https://publications.waset.org/abstracts/search?q=Rushana%20Shayahmetova"> Rushana Shayahmetova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objectives. Gastrointestinal involvement is one of the most common manifestations of systemic sclerosis (SSc). The aim of our study was to assess the frequency of gastrointestinal manifestations in SSc patients (pts) with interstitial lung disease (ILD) and their changes to rituximab (RTX) therapy. Methods. There were 103 pts with SSc in this study. The mean follow-up period was 12.6±10.7 months. The mean age was 47±12.9 years, females - 87 pts (84%), and the diffuse cutaneous subset of the disease 55 pts (53%). The mean disease duration was 6.2±5.5 years. All pts had ILD and were positive for ANA. 67% of them were positive for anti-topoisomerase-1. All patients received prednisolone at a dose of 11.3±4.5 mg/day, and immunosuppressants at inclusion received 47% of them. Pts received RTX due to the ineffectiveness of previous therapy for ILD. The cumulative mean dose of RTX was 1.7±0.6 grams. 90% of pts received omeprazole at a dose of 20-40 mg/day. Results. At inclusion, dysphagia was observed in 76 pts (74%), early satiety or vomiting in 32 pts (31%), and diarrhea in 20 pts (19%). We didn't observe any changes in gastrointestinal manifestation during RTX therapy. There was a decrease in the number of pts with dysphagia from 76 (74%) to 66 (64%), but it was insignificant. The number of pts with early satiety or vomiting and diarrhea didn't change. Conclusion. In our study, gastrointestinal involvement was observed in most of the pts with SSc-ILD. We didn't find any significant changes in gastrointestinal manifestations during RTX therapy. RXT does not worsen gastrointestinal manifestations in SSc-ILD. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=systemic%20sclerosis" title="systemic sclerosis">systemic sclerosis</a>, <a href="https://publications.waset.org/abstracts/search?q=dysphagia" title=" dysphagia"> dysphagia</a>, <a href="https://publications.waset.org/abstracts/search?q=rituximab" title=" rituximab"> rituximab</a>, <a href="https://publications.waset.org/abstracts/search?q=gastrointestinal%20manifestations" title=" gastrointestinal manifestations"> gastrointestinal manifestations</a> </p> <a href="https://publications.waset.org/abstracts/162355/frequency-of-gastrointestinal-manifestations-in-systemic-sclerosis-and-impact-of-rituximab-treatment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162355.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">82</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">171</span> Effect of Rituximab Therapy Depending on the Age of Disease Onset in Systemic Sclerosis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Liudmila%20Garzanova">Liudmila Garzanova</a>, <a href="https://publications.waset.org/abstracts/search?q=Lidia%20Ananyeva"> Lidia Ananyeva</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20Koneva"> Olga Koneva</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20Ovsyannikova"> Olga Ovsyannikova</a>, <a href="https://publications.waset.org/abstracts/search?q=Oxana%20Desinova"> Oxana Desinova</a>, <a href="https://publications.waset.org/abstracts/search?q=Mayya%20Starovoytova"> Mayya Starovoytova</a>, <a href="https://publications.waset.org/abstracts/search?q=Rushana%20Shayahmetova"> Rushana Shayahmetova</a>, <a href="https://publications.waset.org/abstracts/search?q=Anna%20Khelkovskaya-Sergeeva"> Anna Khelkovskaya-Sergeeva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objectives. The age of the disease onset could have an impact on the effect of therapy in systemic sclerosis(SSc). Late-age onset in SSc could have a more severe course of the disease and worse clinical effects on therapy. The aim of our study was to evaluate changes in skin fibrosis on rituximab(RTX) therapy in patients with SSc and different ages of the disease onset. Methods. 151 patients with SSc were included in this study. Patients were divided into groups depending on the age of the disease onset: group 1 - younger than 30 years (40 patients(26%), group 2 - 31-59 years (90 patients(60%) and group 3 – more than 60 years (21 patients(14%). The mean follow-up period was 13±2.3month. The mean age was 48±13years, female-83% of patients, and the diffuse cutaneous subset of the disease had 52% of patients. The mean disease duration was 6.4±5years. The cumulative mean dose of RTX was 1.5±0.6grams. Patients received RTX as a therapy for interstitial lung disease. All patients received prednisone at a dose of 11.6±4.8mg/day, immunosuppressants received 48% of them. The results at baseline and at the end of the follow-up are presented in the form of mean values. Results. There was a significant decrease of modified Rodnan skin score(mRss) in all groups: in group 1 - from 10.2±8 to 7.7±6.5(p=0.01); in group 2 - from 9±7.2 to 6.2±4.7(p=0.0001); in group 3 - from 20.5±14.1 to 10.8±9.4(p=0.001). There was a significant decrease of the activity index (EScSG-AI): in group 1 from 2.5±1.8 to 1.3±1.1; in group 2 – from 3.2±1.6 to 1.5±1.2; in group 3 – from 4.2±2.1 to 1.3±1. Conclusion. There was a significant improvement in skin fibrosis in a year after initiation of RTX therapy regardless of the age of the disease onset. The improvement was more pronounced in the group with late-age onset of the disease, but these data require further investigations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=skin%20fibrosis" title="skin fibrosis">skin fibrosis</a>, <a href="https://publications.waset.org/abstracts/search?q=systemic%20sclerosis" title=" systemic sclerosis"> systemic sclerosis</a>, <a href="https://publications.waset.org/abstracts/search?q=rituximab" title=" rituximab"> rituximab</a>, <a href="https://publications.waset.org/abstracts/search?q=disease%20onset" title=" disease onset"> disease onset</a> </p> <a href="https://publications.waset.org/abstracts/189249/effect-of-rituximab-therapy-depending-on-the-age-of-disease-onset-in-systemic-sclerosis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/189249.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">31</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">170</span> Production Increase of C-Central Wells Baher Essalm-Libya</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Walid%20Ben%20Husein">Walid Ben Husein</a>, <a href="https://publications.waset.org/abstracts/search?q=Emad%20Krekshi"> Emad Krekshi</a>, <a href="https://publications.waset.org/abstracts/search?q=Malek%20Essnni"> Malek Essnni</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Bahr Essalam gas-condensate field is located off the Libyan coast and is currently being produced by Mellitah Oil and Gas (MOG). Gas and condensate are produced from the Bahr Essalam reservoir through a mixture of platform and subsea wells, with the subsea wells being gathered at the western manifolds and delivered to the Sabratha platform via a 22-inch pipeline. Gas is gathered and dehydrated on the Sabratha platform and then delivered to the Mellitah gas plant via an existing 36-inch gas export pipeline. The condensate separated on the Sabratha platform will be delivered to the Mellitah gas plant via an existing 10-inch export pipeline. The Bahr Essalam Phase II project includes 2 production wells (CC16 & CC17) at C-Central A connected to the Sabratha platform via a new 10.9 km long 10”/14” production pipeline. Production rates from CC16 and CC17 have exceeded the maximum planned rate of 40 MMSCFD per well. A hydrothermal analysis was conducted to review and Verify input data, focusing on the variation of flowing well head as a function of flowrate as well as Review available input data against the previous design input data to determine the extent of change. The steady-state and transient simulations performed with Olga yielded coherent results and confirmed the possibility of achieving flow rates of up to 60MMSCFD per well without exceeding the design temperatures, pressures, and velocities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bahr%20Essalam" title="Bahr Essalam">Bahr Essalam</a>, <a href="https://publications.waset.org/abstracts/search?q=Mellitah%20Oil%20and%20Gas" title=" Mellitah Oil and Gas"> Mellitah Oil and Gas</a>, <a href="https://publications.waset.org/abstracts/search?q=production%20flow%20rates" title=" production flow rates"> production flow rates</a>, <a href="https://publications.waset.org/abstracts/search?q=steady%20state" title=" steady state"> steady state</a>, <a href="https://publications.waset.org/abstracts/search?q=transient" title=" transient"> transient</a>, <a href="https://publications.waset.org/abstracts/search?q=OLGA." title=" OLGA."> OLGA.</a> </p> <a href="https://publications.waset.org/abstracts/194520/production-increase-of-c-central-wells-baher-essalm-libya" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/194520.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">9</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">169</span> Design of a Pulse Generator Based on a Programmable System-on-Chip (PSoC) for Ultrasonic Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pedro%20Acevedo">Pedro Acevedo</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20D%C3%ADaz"> Carlos Díaz</a>, <a href="https://publications.waset.org/abstracts/search?q=M%C3%B3nica%20V%C3%A1zquez"> Mónica Vázquez</a>, <a href="https://publications.waset.org/abstracts/search?q=Joel%20Dur%C3%A1n"> Joel Durán</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper describes the design of a pulse generator based on the Programmable System-on-Chip (PSoC) module. In this module, using programmable logic is possible to implement different pulses which are required for ultrasonic applications, either in a single channel or multiple channels. This module can operate with programmable frequencies from 3-74 MHz; its programming may be versatile covering a wide range of ultrasonic applications. It is ideal for low-power ultrasonic applications where PZT or PVDF transducers are used. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=PSoC" title="PSoC">PSoC</a>, <a href="https://publications.waset.org/abstracts/search?q=pulse%20generator" title=" pulse generator"> pulse generator</a>, <a href="https://publications.waset.org/abstracts/search?q=PVDF" title=" PVDF"> PVDF</a>, <a href="https://publications.waset.org/abstracts/search?q=ultrasonic%20transducer" title=" ultrasonic transducer"> ultrasonic transducer</a> </p> <a href="https://publications.waset.org/abstracts/41457/design-of-a-pulse-generator-based-on-a-programmable-system-on-chip-psoc-for-ultrasonic-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41457.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">293</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">168</span> Changes of Acute-phase Reactants in Systemic Sclerosis During Long-term Rituximab Therapy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Liudmila%20Garzanova">Liudmila Garzanova</a>, <a href="https://publications.waset.org/abstracts/search?q=Lidia%20Ananyeva"> Lidia Ananyeva</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20Koneva"> Olga Koneva</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20Ovsyannikova"> Olga Ovsyannikova</a>, <a href="https://publications.waset.org/abstracts/search?q=Oxana%20Desinova"> Oxana Desinova</a>, <a href="https://publications.waset.org/abstracts/search?q=Mayya%20Starovoytova"> Mayya Starovoytova</a>, <a href="https://publications.waset.org/abstracts/search?q=Rushana%20Shayahmetova"> Rushana Shayahmetova</a>, <a href="https://publications.waset.org/abstracts/search?q=Anna%20Khelkovskaya-Sergeeva"> Anna Khelkovskaya-Sergeeva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objectives. C-reactive protein (CRP) and erythrocyte sedimentation rate (ESR) are associated with severe course, increased morbidity and mortality in systemic sclerosis (SSc). The aim of our study was to assess changes in CRP and ESR in SSc patients during long-term RTX therapy. Methods. This study included 113 patients with SSc. Mean age was 48.1±13 years, female-85%. The mean disease duration was 6±5 years. The diffuse cutaneous subset of the disease had 55% of patients. All pts had interstitial lung disease (ILD). All patients received prednisolone at a mean dose of 11.6±4.8 mg/day, and 53 of them - were immunosuppressants at inclusion. Patients received RTX due to the ineffectiveness of previous therapy for ILD. The parameters were evaluated over the periods: at baseline (point 0), 13±2.3 month (point 1, n=113), 42±14 month (point 2, n=80) and 79±6.5 month (point 3, n=25) after initiation of RTX therapy. Cumulative mean dose of RTX at point 1 = 1.7±0.6g, at point 2 = 3±1.5g, and at point 3 = 3.8±2.4g. The results are presented in the form of mean values, delta(Δ)-difference between the baseline parameter and follow-up point. Results. There was an improvement in studied parameters on RTX therapy. There was a significant decrease of ESR, CRP and activity index (EScSG-AI) at all observation points (p=0.001). In point 1: ΔCRP was 6.7 mg/l, ΔESR = 7.4 mm/h, ΔActivity index (EScSG-AI) = 1.7. In point 2: ΔCRP was 8.7 mg/l, ΔESR = 7.5 mm/h, ΔActivity index (EScSG-AI) = 1.9. In point 3: ΔCRP was 16.1 mg/l, ΔESR = 11 mm/h, ΔActivity index (EScSG-AI) = 2.1. Conclusion. There was a significant decrease in CRP and ESR during long-term RTX therapy, which correlated with a decrease in the disease activity index. RTX is an effective treatment option for SSc with an elevation of acute-phase reactants. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=C-reactive%20protein" title="C-reactive protein">C-reactive protein</a>, <a href="https://publications.waset.org/abstracts/search?q=interstitial%20lung%20disease" title=" interstitial lung disease"> interstitial lung disease</a>, <a href="https://publications.waset.org/abstracts/search?q=systemic%20sclerosis" title=" systemic sclerosis"> systemic sclerosis</a>, <a href="https://publications.waset.org/abstracts/search?q=rituximab" title=" rituximab"> rituximab</a> </p> <a href="https://publications.waset.org/abstracts/189246/changes-of-acute-phase-reactants-in-systemic-sclerosis-during-long-term-rituximab-therapy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/189246.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">26</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">167</span> Rituximab Therapy for Musculoskeletal Involvement in Systemic Sclerosis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Liudmila%20Garzanova">Liudmila Garzanova</a>, <a href="https://publications.waset.org/abstracts/search?q=Lidia%20Ananyeva"> Lidia Ananyeva</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20Koneva"> Olga Koneva</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20Ovsyannikova"> Olga Ovsyannikova</a>, <a href="https://publications.waset.org/abstracts/search?q=Oxana%20Desinova"> Oxana Desinova</a>, <a href="https://publications.waset.org/abstracts/search?q=Mayya%20Starovoytova"> Mayya Starovoytova</a>, <a href="https://publications.waset.org/abstracts/search?q=Rushana%20Shayahmetova"> Rushana Shayahmetova</a>, <a href="https://publications.waset.org/abstracts/search?q=Anna%20Khelkovskaya-Sergeeva"> Anna Khelkovskaya-Sergeeva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objectives. There is very few data on changes of the musculoskeletal manifestations (artritis, arthralgia, muscle weakness, etc.) in systemic sclerosis (SSc) on rituximab (RTX) therapy. The aim of our study was to assess the severity of the musculoskeletal involvement in SSc patients (pts) and its changes during RTX therapy. Methods. Our study included 103 pts with SSc. The mean followup period was 12.6±10.7 months. The mean age was 47±12.9 years, female-87 pts (84%), the diffuse cutaneous subset of the disease had 55 pts (53%). The mean disease duration was 6.2±5.5 years. All pts had interstitial lung disease (ILD) and were positive for ANA, 67% of them were positive for antitopoisomerase-1. All patients received prednisolone at a dose of 11.3±4.5 mg/day, immunosuppressants at inclusion received 47% of them. Pts received RTX due to the ineffectiveness of previous therapy for ILD. The cumulative mean dose of RTX was 1.7±0.6 grams. Arthritis was observed in 22 pts (21%), arthralgias in 47 pts (46%). Muscle weakness was observed in 17 pts (17%). Tendon friction rubs was established in 7 pts (7%). The results at baseline and at the end of the follow up are presented in the form of mean values. Results. There was an improvement of all outcome parameters and musculoskeletal manifestations on RTX therapy. There was a decrease in the number of pts with arthritis from 22 (21%) to 10 (9%), a decrease in the number of pts with arthralgias from 47 (46%) to 31 (30%). The number of pts with muscle weakness decreased from 17 (17%) to 7 (7%). The number of pts with tendon friction rubs decreased from 7 (7%) to 3 (3%). The creatine phosphokinase decreased from 365.5±186 to 70.8±50.4 (p=0.00006). The C-reactive protein (CRP) decreased from 23.2±31.3 to 8.62±7.4 (p=0.001). The dose of prednisolone was reduced from 11.3±4.5 to 9.8±3.5 mg/day (p=0.0004). Conclusion. In our study, musculoskeletal involvement was detected in almost half of the patients with SSc-ILD. There was an improvement of musculoskeletal manifestations despite a small cumulative dose of RTX. We also managed to reduce the dose of glucocorticosteroids. The improvement of musculoskeletal manifestations was accompanied by a decrease in laboratory parameters - creatine phosphokinase and CRP. RTX is effective option for treatment of musculoskeletal manifestations in SSc. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=arthritis" title="arthritis">arthritis</a>, <a href="https://publications.waset.org/abstracts/search?q=musculoskeletal%20involvement" title=" musculoskeletal involvement"> musculoskeletal involvement</a>, <a href="https://publications.waset.org/abstracts/search?q=systemic%20sclerosis" title=" systemic sclerosis"> systemic sclerosis</a>, <a href="https://publications.waset.org/abstracts/search?q=rituximab" title=" rituximab"> rituximab</a> </p> <a href="https://publications.waset.org/abstracts/162420/rituximab-therapy-for-musculoskeletal-involvement-in-systemic-sclerosis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162420.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">82</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">166</span> Central American Security Issue: Civil War Legacy and Contemporary Challenges</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Olga%20Andrianova">Olga Andrianova</a>, <a href="https://publications.waset.org/abstracts/search?q=Lazar%20Jeifets"> Lazar Jeifets</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The security issue has always been one of the most sensitive and significant in Latin American context, especially focused on Central American region. Despite the fact that the time of the civil wars has ended, violence, delinquency, insecurity, discrimination still exist and keep relevance in the 21st century. This article is dedicated to consider this kind of problems, to find out the main causes and to propose solution approaches. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Central%20America" title="Central America">Central America</a>, <a href="https://publications.waset.org/abstracts/search?q=insecurity" title=" insecurity"> insecurity</a>, <a href="https://publications.waset.org/abstracts/search?q=instability" title=" instability"> instability</a>, <a href="https://publications.waset.org/abstracts/search?q=post-war%20countries" title=" post-war countries"> post-war countries</a>, <a href="https://publications.waset.org/abstracts/search?q=violence" title=" violence"> violence</a> </p> <a href="https://publications.waset.org/abstracts/25518/central-american-security-issue-civil-war-legacy-and-contemporary-challenges" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25518.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">473</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">165</span> Central American Security Issue: Civil Wars Legacy and Contemporary Challenges</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Olga%20Andrianova">Olga Andrianova</a>, <a href="https://publications.waset.org/abstracts/search?q=Lazar%20Jeifets"> Lazar Jeifets</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The security issue has always been one of the most sensitive and significant in Latin American context, especially focused on Central American region. Despite the fact that the time of the civil wars has ended, violence, delinquency, insecurity, discrimination still exist and keep relevance in the 21st century. This article is dedicated to consider this kind of problems, to find out the main causes and to propose solution approaches. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Central%20America" title="Central America">Central America</a>, <a href="https://publications.waset.org/abstracts/search?q=insecurity" title=" insecurity"> insecurity</a>, <a href="https://publications.waset.org/abstracts/search?q=instability" title=" instability"> instability</a>, <a href="https://publications.waset.org/abstracts/search?q=violence" title=" violence"> violence</a> </p> <a href="https://publications.waset.org/abstracts/18042/central-american-security-issue-civil-wars-legacy-and-contemporary-challenges" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18042.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">395</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">164</span> Duration of the Disease in Systemic Sclerosis and Efficiency of Rituximab Therapy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Liudmila%20Garzanova">Liudmila Garzanova</a>, <a href="https://publications.waset.org/abstracts/search?q=Lidia%20Ananyeva"> Lidia Ananyeva</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20Koneva"> Olga Koneva</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20Ovsyannikova"> Olga Ovsyannikova</a>, <a href="https://publications.waset.org/abstracts/search?q=Oxana%20Desinova"> Oxana Desinova</a>, <a href="https://publications.waset.org/abstracts/search?q=Mayya%20Starovoytova"> Mayya Starovoytova</a>, <a href="https://publications.waset.org/abstracts/search?q=Rushana%20Shayahmetova"> Rushana Shayahmetova</a>, <a href="https://publications.waset.org/abstracts/search?q=Anna%20Khelkovskaya-Sergeeva"> Anna Khelkovskaya-Sergeeva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objectives: The duration of the disease could be one of the leading factors in the effectiveness of therapy in systemic sclerosis (SSc). The aim of the study was to assess how the duration of the disease affects the changes of lung function in patients(pts) with interstitial lung disease (ILD) associated with SSc during long-term RTX therapy. Methods: We prospectively included 113pts with SSc in this study. 85% of pts were female. Mean age was 48.1±13years. The diffuse cutaneous subset of the disease had 62pts, limited–40, overlap–11. The mean disease duration was 6.1±5.4years. Pts were divided into 2 groups depending on the disease duration - group 1 (less than 5 years-63pts) and group 2 (more than 5 years-50 pts). All pts received prednisolone at mean dose of 11.5±4.6 mg/day and 53 of them - immunosuppressants at inclusion. The parameters were evaluated over the periods: at baseline (point 0), 13±2.3mo (point 1), 42±14mo (point 2) and 79±6.5mo (point 3) after initiation of RTX therapy. Cumulative mean dose of RTX in group 1 at point 1 was 1.7±0.6 g, at point 2 = 3.3±1.5g, at point 3 = 3.9±2.3g; in group 2 at point 1 = 1.6±0.6g, at point 2 = 2.7±1.5 g, at point 3 = 3.7±2.6 g. The results are presented in the form of mean values, delta(Δ), median(me), upper and lower quartile. Results. There was a significant increase of forced vital capacity % predicted (FVC) in both groups, but at points 1 and 2 the improvement was more significant in group 1. In group 2, an improvement of FVC was noted with a longer follow-up. Diffusion capacity for carbon monoxide % predicted (DLCO) remained stable at point 1, and then significantly improved by the 3rd year of RTX therapy in both groups. In group 1 at point 1: ΔFVC was 4.7 (me=4; [-1.8;12.3])%, ΔDLCO = -1.2 (me=-0.3; [-5.3;3.6])%, at point 2: ΔFVC = 9.4 (me=7.1; [1;16])%, ΔDLCO =3.7 (me=4.6; [-4.8;10])%, at point 3: ΔFVC = 13 (me=13.4; [2.3;25.8])%, ΔDLCO = 2.3 (me=1.6; [-5.6;11.5])%. In group 2 at point 1: ΔFVC = 3.4 (me=2.3; [-0.8;7.9])%, ΔDLCO = 1.5 (me=1.5; [-1.9;4.9])%; at point 2: ΔFVC = 7.6 (me=8.2; [0;12.6])%, ΔDLCO = 3.5 (me=0.7; [-1.6;10.7]) %; at point 3: ΔFVC = 13.2 (me=10.4; [2.8;15.4])%, ΔDLCO = 3.6 (me=1.7; [-2.4;9.2])%. Conclusion: Patients with an early SSc have more quick response to RTX therapy already in 1 year of follow-up. Patients with a disease duration more than 5 years also have response to therapy, but with longer treatment. RTX is effective option for the treatment of ILD-SSc, regardless of the duration of the disease. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=interstitial%20lung%20disease" title="interstitial lung disease">interstitial lung disease</a>, <a href="https://publications.waset.org/abstracts/search?q=systemic%20sclerosis" title=" systemic sclerosis"> systemic sclerosis</a>, <a href="https://publications.waset.org/abstracts/search?q=rituximab" title=" rituximab"> rituximab</a>, <a href="https://publications.waset.org/abstracts/search?q=disease%20duration" title=" disease duration"> disease duration</a> </p> <a href="https://publications.waset.org/abstracts/189248/duration-of-the-disease-in-systemic-sclerosis-and-efficiency-of-rituximab-therapy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/189248.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">23</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">163</span> Automatic Approach for Estimating the Protection Elements of Electric Power Plants</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahmoud%20Mohammad%20Salem%20Al-Suod">Mahmoud Mohammad Salem Al-Suod</a>, <a href="https://publications.waset.org/abstracts/search?q=Ushkarenko%20O.%20Alexander"> Ushkarenko O. Alexander</a>, <a href="https://publications.waset.org/abstracts/search?q=Dorogan%20I.%20Olga"> Dorogan I. Olga</a> </p> <p class="card-text"><strong>Abstract:</strong></p> New algorithms using microprocessor systems have been proposed for protection the diesel-generator unit in autonomous power systems. The software structure is designed to enhance the control automata of the system, in which every protection module of diesel-generator encapsulates the finite state machine. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=diesel-generator%20unit" title="diesel-generator unit">diesel-generator unit</a>, <a href="https://publications.waset.org/abstracts/search?q=protection" title=" protection"> protection</a>, <a href="https://publications.waset.org/abstracts/search?q=state%20diagram" title=" state diagram"> state diagram</a>, <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=algorithm" title=" algorithm"> algorithm</a>, <a href="https://publications.waset.org/abstracts/search?q=software%20components" title=" software components"> software components</a> </p> <a href="https://publications.waset.org/abstracts/41588/automatic-approach-for-estimating-the-protection-elements-of-electric-power-plants" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41588.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">419</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">162</span> Psychological Contract Violation and Occupational Stressors amongst UK Police Officers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fazeelat%20Duran">Fazeelat Duran</a>, <a href="https://publications.waset.org/abstracts/search?q=Darren%20Bishopp"> Darren Bishopp</a>, <a href="https://publications.waset.org/abstracts/search?q=Jessica%20%20Woodhams"> Jessica Woodhams</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Psychological contract refers to the perceptions of an employee and their employer regarding their mutual obligations towards each other. The rationale for applying the psychological contract theory in UK policing was to investigate its impact on their wellbeing because the psychological contract is a useful tool in identifying factors having a negative effect on the wellbeing of employees. The paper will report on a study, which examined how occupational stressors and psychological contract violation may influence the wellbeing (e.g. Physical Stress and General Health) of a sample of police officers (N=127). The design of the study was cross-sectional and based on data collected through a self-report survey. The results of hierarchical regression analyses and structural equation model, suggest that occupational stressors and psychological contract violation play a critical role in both physical and psychological health. The implications of these findings and the utility of considering the psychological contract will be discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=police%20officers" title="police officers">police officers</a>, <a href="https://publications.waset.org/abstracts/search?q=psychological%20contract" title=" psychological contract"> psychological contract</a>, <a href="https://publications.waset.org/abstracts/search?q=occupational%20stressors" title=" occupational stressors"> occupational stressors</a>, <a href="https://publications.waset.org/abstracts/search?q=wellbeing" title=" wellbeing"> wellbeing</a> </p> <a href="https://publications.waset.org/abstracts/60743/psychological-contract-violation-and-occupational-stressors-amongst-uk-police-officers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60743.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">433</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">161</span> Psychological Contract Breach and Violation Relationships with Stress and Wellbeing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fazeelat%20Duran">Fazeelat Duran</a>, <a href="https://publications.waset.org/abstracts/search?q=Darren%20Bishopp"> Darren Bishopp</a>, <a href="https://publications.waset.org/abstracts/search?q=Jessica%20Woodhams"> Jessica Woodhams</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Negative emotions resulting from the breach of perceived obligations by an employer is called the psychological contract violation. Employees perceiving breach and feelings of negative emotions result in adverse outcomes for both the employee and employer. This paper aims to identify the relationships between contract breach, violation, stress and wellbeing and investigate whether fairness and self-efficacy mediate the relationships. A mixed method approach was used to analyze the online-surveys and semi-structured interviews with the police officers. It was identified that the psychological contract violation predicts stress and job-related well-being. Fairness and self-efficacy were identified as significant mediators to understand the underlying mechanisms of association. Whilst, in the interviews social support was identified as a popular mediator. Practical implications for employers are discussed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=psychological%20contract%20violation%20and%20breach" title="psychological contract violation and breach">psychological contract violation and breach</a>, <a href="https://publications.waset.org/abstracts/search?q=stressors" title=" stressors"> stressors</a>, <a href="https://publications.waset.org/abstracts/search?q=depression" title=" depression"> depression</a>, <a href="https://publications.waset.org/abstracts/search?q=anxiety" title=" anxiety"> anxiety</a> </p> <a href="https://publications.waset.org/abstracts/95975/psychological-contract-breach-and-violation-relationships-with-stress-and-wellbeing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/95975.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">246</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">160</span> Investigation of the Effects of Quercetin on Oxidative Stress in Cells Infected with Infectious Pancreatic Necrosis Virus</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dilek%20Zorlu%20Kaya">Dilek Zorlu Kaya</a>, <a href="https://publications.waset.org/abstracts/search?q=Sena%20%C3%87enesiz"> Sena Çenesiz</a>, <a href="https://publications.waset.org/abstracts/search?q=Utku%20Duran"> Utku Duran</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Infectious pancreatic necrosis virus is a disease of great concern in aquaculture, causing mortality of 80 - 90% of the stocks in salmonid production. We aimed to investigate the efficacy of quercetin on oxidant and antioxidant parameters of infectious pancreatic necrosis virus, which is important for fish farming and economy in vitro. Quercetin experimental model was used in the cell culture of Oncorhynchus mykiss infected with infectious pancreatic necrosis virus. Malondialdehyde, ceruloplasmin, total oxidant capacity, total antioxidant levels, and glutathione-peroxidase were measured in the samples. As a result of the study, it was observed that quercetin can minimize the damage caused by scavenging free radicals in cells infected with infectious pancreatic necrosis virus. Thus, we think that an important development can be achieved for fish farming and the economy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=IPNV" title="IPNV">IPNV</a>, <a href="https://publications.waset.org/abstracts/search?q=oncorhynchus%20mykiss" title=" oncorhynchus mykiss"> oncorhynchus mykiss</a>, <a href="https://publications.waset.org/abstracts/search?q=TAS" title=" TAS"> TAS</a>, <a href="https://publications.waset.org/abstracts/search?q=TOS" title=" TOS"> TOS</a>, <a href="https://publications.waset.org/abstracts/search?q=quercetin" title=" quercetin"> quercetin</a> </p> <a href="https://publications.waset.org/abstracts/176688/investigation-of-the-effects-of-quercetin-on-oxidative-stress-in-cells-infected-with-infectious-pancreatic-necrosis-virus" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/176688.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">65</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">159</span> Biosphere Compatibility and Sustainable Development</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zinaida%20I.%20Ivanova">Zinaida I. Ivanova</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20V.%20Yudenkova"> Olga V. Yudenkova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The article addresses the pressing need to implement the principle of the biosphere compatibility as the core prerequisite for sustainable development. The co-authors argue that a careful attitude towards the biosphere, termination of its overutilization, analysis of the ratio between the biospheric potential of a specific area and its population numbers, coupled with population regulation techniques represent the factors that may solve the problems of ecological depletion. However these problems may only be tackled through the employment of the high-quality human capital, capable of acting with account for the principles of nature conservation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biosphere%20compatibility" title="biosphere compatibility">biosphere compatibility</a>, <a href="https://publications.waset.org/abstracts/search?q=eco-centered%20conscience" title=" eco-centered conscience"> eco-centered conscience</a>, <a href="https://publications.waset.org/abstracts/search?q=human%20capital" title=" human capital"> human capital</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20development" title=" sustainable development"> sustainable development</a> </p> <a href="https://publications.waset.org/abstracts/9563/biosphere-compatibility-and-sustainable-development" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/9563.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">389</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">158</span> Analysis of the Secondary Stationary Flow Around an Oscillating Circular Cylinder</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Artem%20Nuriev">Artem Nuriev</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20Zaitseva"> Olga Zaitseva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper is devoted to the study of a viscous incompressible flow around a circular cylinder performing harmonic oscillations, especially the steady streaming phenomenon. The research methodology is based on the asymptotic explanation method combined with the computational bifurcation analysis. Present studies allow to identify several regimes of the secondary streaming with different flow structures. The results of the research are in good agreement with experimental and numerical simulation data. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=oscillating%20cylinder" title="oscillating cylinder">oscillating cylinder</a>, <a href="https://publications.waset.org/abstracts/search?q=secondary%20streaming" title=" secondary streaming"> secondary streaming</a>, <a href="https://publications.waset.org/abstracts/search?q=flow%20regimes" title=" flow regimes"> flow regimes</a>, <a href="https://publications.waset.org/abstracts/search?q=asymptotic%20and%20bifurcation%20analysis" title=" asymptotic and bifurcation analysis"> asymptotic and bifurcation analysis</a> </p> <a href="https://publications.waset.org/abstracts/15706/analysis-of-the-secondary-stationary-flow-around-an-oscillating-circular-cylinder" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15706.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">435</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> Coexistence of Two Different Types of Intermittency near the Boundary of Phase Synchronization in the Presence of Noise</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Olga%20I.%20Moskalenko">Olga I. Moskalenko</a>, <a href="https://publications.waset.org/abstracts/search?q=Maksim%20O.%20Zhuravlev"> Maksim O. Zhuravlev</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexey%20A.%20Koronovskii"> Alexey A. Koronovskii</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexander%20E.%20Hramov"> Alexander E. Hramov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Intermittent behavior near the boundary of phase synchronization in the presence of noise is studied. In certain range of the coupling parameter and noise intensity the intermittency of eyelet and ring intermittencies is shown to take place. Main results are illustrated using the example of two unidirectionally coupled Rössler systems. Similar behavior is shown to take place in two hydrodynamical models of Pierce diode coupled unidirectionally. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chaotic%20oscillators" title="chaotic oscillators">chaotic oscillators</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20synchronization" title=" phase synchronization"> phase synchronization</a>, <a href="https://publications.waset.org/abstracts/search?q=noise" title=" noise"> noise</a>, <a href="https://publications.waset.org/abstracts/search?q=intermittency%20of%20intermittencies" title=" intermittency of intermittencies"> intermittency of intermittencies</a> </p> <a href="https://publications.waset.org/abstracts/27049/coexistence-of-two-different-types-of-intermittency-near-the-boundary-of-phase-synchronization-in-the-presence-of-noise" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27049.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">642</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> Electromagnetic Radiation Absorbers on the Basis of Fibrous Materials with the Content of Allotropic Carbon Forms</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elena%20S.%20%20Belousova">Elena S. Belousova</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20V.%20Boiprav"> Olga V. Boiprav</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A technique for incorporating particles of allotropic forms of carbon into a fibrous material has been developed. It can be used for the manufacture of composite electromagnetic radiation absorbers. The frequency characteristics of electromagnetic radiation reflection and transmission coefficients in the microwave range of absorbers on the basis of powdered carbon black, activated carbon, shungite, graphite, manufactured in accordance with the developed technique, have been studied. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carbon" title="carbon">carbon</a>, <a href="https://publications.waset.org/abstracts/search?q=graphite" title=" graphite"> graphite</a>, <a href="https://publications.waset.org/abstracts/search?q=electromagnetic%20radiation%20absorber" title=" electromagnetic radiation absorber"> electromagnetic radiation absorber</a>, <a href="https://publications.waset.org/abstracts/search?q=shungite" title=" shungite"> shungite</a> </p> <a href="https://publications.waset.org/abstracts/121253/electromagnetic-radiation-absorbers-on-the-basis-of-fibrous-materials-with-the-content-of-allotropic-carbon-forms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/121253.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">163</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> Solution Approaches for Some Scheduling Problems with Learning Effect and Job Dependent Delivery Times</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Duran%20Toksari">M. Duran Toksari</a>, <a href="https://publications.waset.org/abstracts/search?q=Berrin%20Ucarkus"> Berrin Ucarkus</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we propose two algorithms to optimally solve makespan and total completion time scheduling problems with learning effect and job dependent delivery times in a single machine environment. The delivery time is the extra time to eliminate adverse effect between the main processing and delivery to the customer. In this paper, we introduce the job dependent delivery times for some single machine scheduling problems with position dependent learning effect, which are makespan are total completion. The results with respect to two algorithms proposed for solving of the each problem are compared with LINGO solutions for 50-jobs, 100-jobs and 150-jobs problems. The proposed algorithms can find the same results in shorter time. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=delivery%20Times" title="delivery Times">delivery Times</a>, <a href="https://publications.waset.org/abstracts/search?q=learning%20effect" title=" learning effect"> learning effect</a>, <a href="https://publications.waset.org/abstracts/search?q=makespan" title=" makespan"> makespan</a>, <a href="https://publications.waset.org/abstracts/search?q=scheduling" title=" scheduling"> scheduling</a>, <a href="https://publications.waset.org/abstracts/search?q=total%20completion%20time" title=" total completion time"> total completion time</a> </p> <a href="https://publications.waset.org/abstracts/35711/solution-approaches-for-some-scheduling-problems-with-learning-effect-and-job-dependent-delivery-times" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35711.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">469</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> Cognitive Models of Future in Political Texts</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Solopova%20Olga">Solopova Olga</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present paper briefly recalls theoretical preconditions for investigating cognitive-discursive models of future in political discourse. The author reviews theories and methods used for strengthening a future focus in this discourse working out two main tools – a model of future and a metaphorical scenario. The paper examines the implications of metaphorical analogies for modeling future in mass media. It argues that metaphor is not merely a rhetorical ornament in the political discourse of media regulation but a conceptual model that legislates and regulates our understanding of future. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cognitive%20approach" title="cognitive approach">cognitive approach</a>, <a href="https://publications.waset.org/abstracts/search?q=future%20research" title=" future research"> future research</a>, <a href="https://publications.waset.org/abstracts/search?q=political%20discourse" title=" political discourse"> political discourse</a>, <a href="https://publications.waset.org/abstracts/search?q=model" title=" model"> model</a>, <a href="https://publications.waset.org/abstracts/search?q=scenario" title=" scenario"> scenario</a>, <a href="https://publications.waset.org/abstracts/search?q=metaphor" title=" metaphor"> metaphor</a> </p> <a href="https://publications.waset.org/abstracts/3554/cognitive-models-of-future-in-political-texts" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3554.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">394</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> Improvement of Sandy Clay Soils with the Addition of Rice Husk Ash and Expanded Polystyrene Beads</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alvaro%20Quino">Alvaro Quino</a>, <a href="https://publications.waset.org/abstracts/search?q=Roger%20Trejo"> Roger Trejo</a>, <a href="https://publications.waset.org/abstracts/search?q=Gary%20Duran"> Gary Duran</a>, <a href="https://publications.waset.org/abstracts/search?q=Jordy%20Viso"> Jordy Viso</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article presents a study on the lightening and improvement of properties of soil extracted in the province of Talara in the department of Piura -Peru, to be used in filling in the construction of embankments for roads. This soft soil has a high percentage of elastic settlement and consolidation settlement. Currently, there are different methods that seek to mitigate the impact of this problem, which have achieved favorable results. As a contribution to these investigations, we propose the use of two lightening materials to be used in the filling of embankments; these materials are expanded polystyrene beads (EPS) and rice husk ash (RHA). Favorable results were obtained, such as a reduction of 14.34% of the volumetric weight, so the settlement will be reduced. In addition, it is observed that as the RHA dosage increases, the shear resistance increases. In this article, soil mechanics tests were performed to determine the effectiveness of this method in lightening and improving properties for the soil under study. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sandy%20clay%20soils" title="sandy clay soils">sandy clay soils</a>, <a href="https://publications.waset.org/abstracts/search?q=rice%20husk%20ash" title=" rice husk ash"> rice husk ash</a>, <a href="https://publications.waset.org/abstracts/search?q=expanded%20polystyrene" title=" expanded polystyrene"> expanded polystyrene</a>, <a href="https://publications.waset.org/abstracts/search?q=soft%20soils" title=" soft soils"> soft soils</a> </p> <a href="https://publications.waset.org/abstracts/140613/improvement-of-sandy-clay-soils-with-the-addition-of-rice-husk-ash-and-expanded-polystyrene-beads" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/140613.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">172</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> Managing Core Competencies in Innovative Entrepreneurship: Theory and Practice</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Olga%20Shvetsova">Olga Shvetsova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The research paper contains the different issues of competence management in innovation companies. The theoretical bases of human resources management and practical issues of innovative enterprises’ competitiveness are considered. The research is focused on the modern innovative enterprise management problems; it focuses on the effective management of the personnel of innovative enterprises on the basis of competence approach. The concept of core competence approach is discussed. The point of view, that the key competences of the company create the competitive advantages, support strategy development and protect business from external negative factors is considered. The used methodology is background research. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=competence%20model" title="competence model">competence model</a>, <a href="https://publications.waset.org/abstracts/search?q=competitiveness" title=" competitiveness"> competitiveness</a>, <a href="https://publications.waset.org/abstracts/search?q=innovation%20management" title=" innovation management"> innovation management</a>, <a href="https://publications.waset.org/abstracts/search?q=implementation" title=" implementation"> implementation</a> </p> <a href="https://publications.waset.org/abstracts/62658/managing-core-competencies-in-innovative-entrepreneurship-theory-and-practice" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62658.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">317</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> A Low-Cost Experimental Approach for Teaching Energy Quantization: Determining the Planck Constant with Arduino and Led</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gast%C3%A3o%20Soares%20Ximenes%20de%20Oliveira">Gastão Soares Ximenes de Oliveira</a>, <a href="https://publications.waset.org/abstracts/search?q=Richar%20Nicol%C3%A1s%20Dur%C3%A1n"> Richar Nicolás Durán</a>, <a href="https://publications.waset.org/abstracts/search?q=Romeo%20Micah%20Szmoski"> Romeo Micah Szmoski</a>, <a href="https://publications.waset.org/abstracts/search?q=Eloiza%20Aparecida%20Avila%20de%20Matos"> Eloiza Aparecida Avila de Matos</a>, <a href="https://publications.waset.org/abstracts/search?q=Elano%20Gustavo%20Rein"> Elano Gustavo Rein</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article aims to present an experimental method to determine Planck's constant by calculating the cutting potential V₀ from LEDs with different wavelengths. The experiment is designed using Arduino as a central tool in order to make the experimental activity more engaging and attractive for students with the use of digital technologies. From the characteristic curves of each LED, graphical analysis was used to obtain the cutting potential, and knowing the corresponding wavelength, it was possible to calculate Planck's constant. This constant was also obtained from the linear adjustment of the cutting potential graph by the frequency of each LED. Given the relevance of Planck's constant in physics, it is believed that this experiment can offer teachers the opportunity to approach concepts from modern physics, such as the quantization of energy, in a more accessible and applied way in the classroom. This will not only enrich students' understanding of the fundamental nature of matter but also encourage deeper engagement with the principles of quantum physics. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=physics%20teaching" title="physics teaching">physics teaching</a>, <a href="https://publications.waset.org/abstracts/search?q=educational%20technology" title=" educational technology"> educational technology</a>, <a href="https://publications.waset.org/abstracts/search?q=modern%20physics" title=" modern physics"> modern physics</a>, <a href="https://publications.waset.org/abstracts/search?q=Planck%20constant" title=" Planck constant"> Planck constant</a>, <a href="https://publications.waset.org/abstracts/search?q=Arduino" title=" Arduino"> Arduino</a> </p> <a href="https://publications.waset.org/abstracts/173953/a-low-cost-experimental-approach-for-teaching-energy-quantization-determining-the-planck-constant-with-arduino-and-led" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/173953.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">76</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">150</span> Role of von Willebrand Factor and ADAMTS13 In The Prediction of Thrombotic Complications In Patients With COVID-19</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nataliya%20V.%20Dolgushina">Nataliya V. Dolgushina</a>, <a href="https://publications.waset.org/abstracts/search?q=Elena%20A.%20Gorodnova"> Elena A. Gorodnova</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20S.%20Beznoshenco"> Olga S. Beznoshenco</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrey%20Yu%20Romanov"> Andrey Yu Romanov</a>, <a href="https://publications.waset.org/abstracts/search?q=Irina%20V.%20Menzhinskaya"> Irina V. Menzhinskaya</a>, <a href="https://publications.waset.org/abstracts/search?q=Lyubov%20V.%20Krechetova"> Lyubov V. Krechetova</a>, <a href="https://publications.waset.org/abstracts/search?q=Gennady%20T.%20Suchich"> Gennady T. Suchich</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In patients with COVID-19, generalized hypercoagulability can lead to the development of severe coagulopathy. This event is accompanied by the development of a pronounced inflammatory reaction. The observational prospective study included 39 patients with mild COVID-19 and 102 patients with moderate and severe COVID-19. Patients were then stratified into groups depending on the risk of venous thromboembolism. vWF to ADAMTS-13 concentrations and activity ratios were significantly higher in patients with a high venous thromboembolism risks in patients with moderate and severe forms COVID-19. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ADAMTS-13" title="ADAMTS-13">ADAMTS-13</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=hypercoagulation" title=" hypercoagulation"> hypercoagulation</a>, <a href="https://publications.waset.org/abstracts/search?q=thrombosis" title=" thrombosis"> thrombosis</a>, <a href="https://publications.waset.org/abstracts/search?q=von%20Willebrand%20factor" title=" von Willebrand factor"> von Willebrand factor</a> </p> <a href="https://publications.waset.org/abstracts/150818/role-of-von-willebrand-factor-and-adamts13-in-the-prediction-of-thrombotic-complications-in-patients-with-covid-19" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/150818.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">89</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> Prevalence of Rituximab Efficacy Over Immunosuppressants in Therapy of Systemic Sclerosis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Liudmila%20Garzanova">Liudmila Garzanova</a>, <a href="https://publications.waset.org/abstracts/search?q=Lidia%20Ananyeva"> Lidia Ananyeva</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20Koneva"> Olga Koneva</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20Ovsyannikova"> Olga Ovsyannikova</a>, <a href="https://publications.waset.org/abstracts/search?q=Oxana%20Desinova"> Oxana Desinova</a>, <a href="https://publications.waset.org/abstracts/search?q=Mayya%20Starovoytova"> Mayya Starovoytova</a>, <a href="https://publications.waset.org/abstracts/search?q=Rushana%20Shayahmetova"> Rushana Shayahmetova</a>, <a href="https://publications.waset.org/abstracts/search?q=Anna%20Khelkovskaya-Sergeeva"> Anna Khelkovskaya-Sergeeva</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Abstract Objectives. Rituximab (RTX) shown a positive effect in the treatment of systemic sclerosis (SSc). But there is still not enough data on comparing the effectiveness of RTX with immunosuppressants (IS). The aim of our study was to compare changes of lung function and skin score in SSc between two groups of patients (pts) - on RXT therapy (prescribed after ineffectiveness of previous therapy with IS) and on therapy with IS only. Methods. This study included 103 pts received RTX as an addition to previous therapy (group 1) and 65 pts received therapy with IS and prednisolone (group 2). The mean follow-up period was 12.6±10.7months. In group 1 the mean age was 47±12.9 years, female – 88 pts (84%), the diffuse cutaneous subset of the disease had 55 pts (53%). The mean disease duration was 6.2±5.5 years. 82% pts had interstitial lung disease (ILD) and 92% were positive for ANA, 67% of them were positive for antitopoisomerase-1. All pts received prednisolone at a dose of 11.3±4.5 mg/day, IS at inclusion received 47% of them. The cumulative mean dose of RTX was 1.7±0.6 g. In group 2 the mean age was 50.8±13.8 years, female-53 pts (82%), the diffuse cutaneous subset of the disease had 44 pts (68%). The mean disease duration was 8.8±7.7 years. 81% pts had ILD and 88% were positive for ANA, 58% of them were positive for antitopoisomerase-1. All pts received prednisolone at a dose of 8.69±4.28 mg/day, IS received 57% of them. Cyclophosphamide (CP) received 45% of pts. The cumulative mean dose of CP was 10.2±15.1g. D-penicillamine received 30% of pts. Other pts was on mycophenolate mofetil or methotrexate therapy in single cases. The pts of the compared groups did not differ in the main demographic and clinical parameters. The results are presented as delta (Δ) - difference between the baseline parameter and follow up point. Results. In group 1 there was an improvement of all outcome parameters: increased of forced vital capacity, % predicted - ΔFVC=4% (p=0.0004); Diffusing capacity for carbon monoxide, % predicted remained stable (ΔDLCO=0.1%); improvement of the Rodnan skin score-ΔmRss=3.4 (p=0.001); decrease of Activity index (EScSG-AI) - ΔActivity index=1.7 (p=0.001). In group 2 the changes was insignificant: ΔFVC=-2.3%, ΔmRss=0.87, ΔActivity index=0.3. But there was a significant decrease of DLCO: ΔDLCO=-5.1% (p=0.001). Conclusion. The results of our study confirm the data on the positive effect of RTX in complex therapy in pts with SSc (decrease of skin induration, increase of FVC, stabilization of DLCO). Meantime, pts on IS and prednisolone therapy shown the worsening of lung function and insignificant changes of other clinical parameters. RTX could be considered as a more effective option in complex treatment of SSc in comparison with IS therapy <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=immunosuppressants" title="immunosuppressants">immunosuppressants</a>, <a href="https://publications.waset.org/abstracts/search?q=interstitial%20lung%20disease" title=" interstitial lung disease"> interstitial lung disease</a>, <a href="https://publications.waset.org/abstracts/search?q=systemic%20sclerosis" title=" systemic sclerosis"> systemic sclerosis</a>, <a href="https://publications.waset.org/abstracts/search?q=rituximab" title=" rituximab"> rituximab</a> </p> <a href="https://publications.waset.org/abstracts/162443/prevalence-of-rituximab-efficacy-over-immunosuppressants-in-therapy-of-systemic-sclerosis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162443.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">83</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">148</span> Discrete Tracking Control of Nonholonomic Mobile Robots: Backstepping Design Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alexander%20S.%20Andreev">Alexander S. Andreev</a>, <a href="https://publications.waset.org/abstracts/search?q=Olga%20A.%20Peregudova"> Olga A. Peregudova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we propose a discrete tracking control of nonholonomic mobile robots with two degrees of freedom. The electro-mechanical model of a mobile robot moving on a horizontal surface without slipping, with two rear wheels controlled by two independent DC electric, and one front roal wheel is considered. We present back-stepping design based on the Euler approximate discrete-time model of a continuous-time plant. Theoretical considerations are verified by numerical simulation. The work was supported by RFFI (15-01-08482). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=actuator%20dynamics" title="actuator dynamics">actuator dynamics</a>, <a href="https://publications.waset.org/abstracts/search?q=back%20stepping" title=" back stepping"> back stepping</a>, <a href="https://publications.waset.org/abstracts/search?q=discrete-time%20controller" title=" discrete-time controller"> discrete-time controller</a>, <a href="https://publications.waset.org/abstracts/search?q=Lyapunov%20function" title=" Lyapunov function"> Lyapunov function</a>, <a href="https://publications.waset.org/abstracts/search?q=wheeled%20mobile%20robot" title=" wheeled mobile robot "> wheeled mobile robot </a> </p> <a href="https://publications.waset.org/abstracts/15632/discrete-tracking-control-of-nonholonomic-mobile-robots-backstepping-design-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15632.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">415</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> Optimum Design of Alkali Activated Slag Concretes for Low Chloride Ion Permeability and Water Absorption Capacity</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M%C3%BCzeyyen%20Bal%C3%A7ikanli">Müzeyyen Balçikanli</a>, <a href="https://publications.waset.org/abstracts/search?q=Erdo%C4%9Fan%20%C3%96zbay"> Erdoğan Özbay</a>, <a href="https://publications.waset.org/abstracts/search?q=Hakan%20Tacettin%20T%C3%BCrker"> Hakan Tacettin Türker</a>, <a href="https://publications.waset.org/abstracts/search?q=Okan%20Karahan"> Okan Karahan</a>, <a href="https://publications.waset.org/abstracts/search?q=Cengiz%20Duran%20Ati%C5%9F"> Cengiz Duran Atiş</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this research, effect of curing time (TC), curing temperature (CT), sodium concentration (SC) and silicate modules (SM) on the compressive strength, chloride ion permeability, and water absorption capacity of alkali activated slag (AAS) concretes were investigated. For maximization of compressive strength while for minimization of chloride ion permeability and water absorption capacity of AAS concretes, best possible combination of CT, CTime, SC and SM were determined. An experimental program was conducted by using the central composite design method. Alkali solution-slag ratio was kept constant at 0.53 in all mixture. The effects of the independent parameters were characterized and analyzed by using statistically significant quadratic regression models on the measured properties (dependent parameters). The proposed regression models are valid for AAS concretes with the SC from 0.1% to 7.5%, SM from 0.4 to 3.2, CT from 20 °C to 94 °C and TC from 1.2 hours to 25 hours. The results of test and analysis indicate that the most effective parameter for the compressive strength, chloride ion permeability and water absorption capacity is the sodium concentration. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=alkali%20activation" title="alkali activation">alkali activation</a>, <a href="https://publications.waset.org/abstracts/search?q=slag" title=" slag"> slag</a>, <a href="https://publications.waset.org/abstracts/search?q=rapid%20chloride%20permeability" title=" rapid chloride permeability"> rapid chloride permeability</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20absorption%20capacity" title=" water absorption capacity"> water absorption capacity</a> </p> <a href="https://publications.waset.org/abstracts/54620/optimum-design-of-alkali-activated-slag-concretes-for-low-chloride-ion-permeability-and-water-absorption-capacity" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54620.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">312</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> Comparison of the Performance of a Brake Energy Regeneration System in Hybrid Vehicles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Miguel%20Arlenzo%20Duran%20Sarmiento">Miguel Arlenzo Duran Sarmiento</a>, <a href="https://publications.waset.org/abstracts/search?q=Luis%20Alfonso%20Del%20Portillo%20Vald%C3%A9s"> Luis Alfonso Del Portillo Valdés</a>, <a href="https://publications.waset.org/abstracts/search?q=Carlos%20Borras%20Pinilla"> Carlos Borras Pinilla</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Brake energy regeneration systems have the capacity to transform part of the vehicle's kinetic energy during deceleration into useful energy. These systems can be implemented in hybrid vehicles, which can be electric or hydraulic in type, and contribute to reducing the energy required to propel the vehicle thanks to the accumulation of energy. This paper presents the modeling and simulation of a braking energy regeneration system applied in hydraulic hybrid vehicles configured in parallel, the modeling and simulation were performed in Simulink of Matlab, where a performance comparison of the regenerated torque as a function of vehicle load, the displacement of the hydraulic regeneration device and the vehicle speed profile. The speed profiles used in the simulation are standard profiles such as the NEDC and WLTP profiles. The vehicle loads range from 1500 kg to 12000 kg. The results show the comparison of the torque required by the vehicle, the torque regenerated by the system subjected to the different speed and load conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=braking%20energy" title="braking energy">braking energy</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20regeneration" title=" energy regeneration"> energy regeneration</a>, <a href="https://publications.waset.org/abstracts/search?q=hybrid%20vehicles" title=" hybrid vehicles"> hybrid vehicles</a>, <a href="https://publications.waset.org/abstracts/search?q=kinetic%20energy" title=" kinetic energy"> kinetic energy</a>, <a href="https://publications.waset.org/abstracts/search?q=torque" title=" torque"> torque</a> </p> <a href="https://publications.waset.org/abstracts/153810/comparison-of-the-performance-of-a-brake-energy-regeneration-system-in-hybrid-vehicles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/153810.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">124</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> The Current And Prospective Legal Regime of Non-Orbital Flights</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Olga%20Koutsika">Olga Koutsika</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper deals primarily with the question of the legal framework of non-orbital flights. The submission is based upon two pillars, starting with the ill-defined current legal regime and proceeding to further recommendations for the prospective legal regime for non-orbital flights. For this reason, the paper focuses on certain key legal aspects of the topic, including among other things liability, responsibility, jurisdiction, registration and authorisation. Furthermore, taking into consideration the hybrid nature of both the craft conducting non-orbital flights and of the flights themselves, which exit airspace but do not enter an orbit in outer space, the paper addresses each legal question from the perspective of both air law and space law and concludes to a number of recommendations regarding the applicability of each legal regime for each legal question individually. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=current%20regime" title="current regime">current regime</a>, <a href="https://publications.waset.org/abstracts/search?q=legal%20framework" title="legal framework">legal framework</a>, <a href="https://publications.waset.org/abstracts/search?q=non-orbital%20flights" title=" non-orbital flights"> non-orbital flights</a>, <a href="https://publications.waset.org/abstracts/search?q=prospective%20regime" title="prospective regime">prospective regime</a> </p> <a href="https://publications.waset.org/abstracts/42270/the-current-and-prospective-legal-regime-of-non-orbital-flights" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42270.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">383</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> Sustainable Tourism from a Multicriteria Analysis Perspective</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Olga%20Blasco-Blasco">Olga Blasco-Blasco</a>, <a href="https://publications.waset.org/abstracts/search?q=Vicente%20Liern"> Vicente Liern</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The development of tourism since the mid-20th century has raised problems of overcrowding, indiscriminate construction in seaside areas and gentrification. Increasingly, the World Tourism Organisation and public institutions are promoting policies that encourage sustainability. From the perspective of sustainability, three types of tourism can be established: traditional tourism, sustainable tourism and sustainable impact tourism. Measuring sustainability is complex due to its multiple dimensions of different relative importance and diversity in nature. In order to try to answer this problem and to identify the benefits of applying policies that promote sustainable tourism, a decision-making analysis will be carried out through the application of a multicriteria analysis method. The proposal is applied to hotel reservations and to the evaluation and management of tourism sustainability in the Spanish Autonomous Communities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sustainable%20tourism" title="sustainable tourism">sustainable tourism</a>, <a href="https://publications.waset.org/abstracts/search?q=multicriteria%20analysis" title=" multicriteria analysis"> multicriteria analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=flexible%20optimization" title=" flexible optimization"> flexible optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=composite%20indicators" title=" composite indicators"> composite indicators</a> </p> <a href="https://publications.waset.org/abstracts/142393/sustainable-tourism-from-a-multicriteria-analysis-perspective" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142393.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">311</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=Olga%20Duran&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Olga%20Duran&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Olga%20Duran&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Olga%20Duran&page=5">5</a></li> <li class="page-item"><a class="page-link" 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