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Dubinin</title> <meta name="description" content="Search results for: Mikhail Dubinin"> <meta name="keywords" content="Mikhail Dubinin"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Mikhail Dubinin"> <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> 72</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Mikhail Dubinin</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">72</span> Toward a Methodology of Visual Rhetoric with Constant Reference to Mikhail Bakhtin’s Concept of “Chronotope”: A Theoretical Proposal and Taiwan Case Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hsiao-Yung%20Wang">Hsiao-Yung Wang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper aims to elaborate methodology of visual rhetoric with constant reference to Mikhail Bakhtin’s concept of “chronotope”. First, it attempts to outline Ronald Barthes, the most representative scholar of visual rhetoric and structuralism, perspective on visual rhetoric and its time-space category by referring to the concurrent word-image, the symbolic systematicity, the outer dialogicity. Second, an alternative approach is explored for grasping the dynamics and functions of visual rhetoric by articulating Mikhail Bakhtin’s concept of “chronotope.” Furthermore, that visual rhetorical consciousness could be identified as “the meaning parabola which projects from word to image,” “the symbolic system which proceeds from sequence to disorder,” “the ideological environment which struggles from the local to the global.” Last but not least, primary vision of the 2014 Taipei LGBT parade would be analyzed preliminarily to evaluate the effectiveness and persuasiveness embodied by specific visual rhetorical strategies. How Bakhtin’s concept of “chronotope” to explain the potential or possible ideological struggle deployed by visual rhetoric might be interpreted empirically and extensively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=barthes" title="barthes">barthes</a>, <a href="https://publications.waset.org/abstracts/search?q=chronotope" title=" chronotope"> chronotope</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20Bakhtin" title=" Mikhail Bakhtin"> Mikhail Bakhtin</a>, <a href="https://publications.waset.org/abstracts/search?q=Taipei%20LGBT%20parade" title=" Taipei LGBT parade"> Taipei LGBT parade</a>, <a href="https://publications.waset.org/abstracts/search?q=visual%20rhetoric" title=" visual rhetoric"> visual rhetoric</a> </p> <a href="https://publications.waset.org/abstracts/35852/toward-a-methodology-of-visual-rhetoric-with-constant-reference-to-mikhail-bakhtins-concept-of-chronotope-a-theoretical-proposal-and-taiwan-case-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35852.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">474</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> Feasibility Assessment of High-Temperature Superconducting AC Cable Lines Implementation in Megacities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Andrey%20Kashcheev">Andrey Kashcheev</a>, <a href="https://publications.waset.org/abstracts/search?q=Victor%20Sytnikov"> Victor Sytnikov</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20Dubinin"> Mikhail Dubinin</a>, <a href="https://publications.waset.org/abstracts/search?q=Elena%20Filipeva"> Elena Filipeva</a>, <a href="https://publications.waset.org/abstracts/search?q=Dmitriy%20Sorokin"> Dmitriy Sorokin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Various variants of technical solutions aimed at improving the reliability of power supply to consumers of 110 kV substation are considered. For each technical solution, the results of calculation and analysis of electrical modes and short-circuit currents in the electrical network are presented. The estimation of electric energy consumption for losses within the boundaries of substation reconstruction was carried out in accordance with the methodology for determining the standards of technological losses of electricity during its transmission through electric networks. The assessment of the technical and economic feasibility of the use of HTS CL compared with the complex reconstruction of the 110 kV substation was carried out. It is shown that the use of high-temperature superconducting AC cable lines is a possible alternative to traditional technical solutions used in the reconstruction of substations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=superconductivity" title="superconductivity">superconductivity</a>, <a href="https://publications.waset.org/abstracts/search?q=cable%20lines" title=" cable lines"> cable lines</a>, <a href="https://publications.waset.org/abstracts/search?q=superconducting%20cable" title=" superconducting cable"> superconducting cable</a>, <a href="https://publications.waset.org/abstracts/search?q=AC%20cable" title=" AC cable"> AC cable</a>, <a href="https://publications.waset.org/abstracts/search?q=feasibility" title=" feasibility"> feasibility</a> </p> <a href="https://publications.waset.org/abstracts/172507/feasibility-assessment-of-high-temperature-superconducting-ac-cable-lines-implementation-in-megacities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172507.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">96</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> Mikhail Bakhtin's Standpoint of Neo-Marxism and beyond: Bildungsroman as a Critique</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hsiao-Yung%20Wang">Hsiao-Yung Wang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper aims to elaborate the standpoint of neo-Marxism of Russian philosopher Mikhail Bakhtin by critical reading his concept of Bildungsroman; thereby, it aims to map the theoretical implication of spatial rhetoric and its time politics/emancipatory politics in late Bakhtin’s thought. First, it aims to outline the two revolving rings of spatiality in Bildungsroman, proceeding from 'recollecting the past' to 'foreseeing the future' on the basis of visuality and materialistic realism. Herein, Bakhtin has temporarily been leaving his previous research concern on polyphonic novel. Second, it aims to demonstrate that although Bakhtin has constantly emphasized the necessity of reconstructing opened future space, his insistence on 'emergence' has still generated a seemingly theoretical lacuna which needs to be filled. 'Doubled heterotopia,' as popularized by contemporary rhetorician Saindon, might be an adequate approach to articulate and present the rhetorical functions and dynamics of Bakhtin’s spatial rhetoric dialectically. Based on the research findings, this paper argues that Bakhtin indeed attempted to go beyond the deterministic model of Marxism and neo-Marxism strategically and reciprocally. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bildungsroman" title="Bildungsroman">Bildungsroman</a>, <a href="https://publications.waset.org/abstracts/search?q=double%20heterotopia" title=" double heterotopia"> double heterotopia</a>, <a href="https://publications.waset.org/abstracts/search?q=emergence" title=" emergence"> emergence</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20Bakhtin" title=" Mikhail Bakhtin"> Mikhail Bakhtin</a>, <a href="https://publications.waset.org/abstracts/search?q=neo-Marxism" title=" neo-Marxism"> neo-Marxism</a>, <a href="https://publications.waset.org/abstracts/search?q=spatial%20rhetoric" title=" spatial rhetoric"> spatial rhetoric</a>, <a href="https://publications.waset.org/abstracts/search?q=time-politics" title=" time-politics"> time-politics</a>, <a href="https://publications.waset.org/abstracts/search?q=visuality" title=" visuality"> visuality</a> </p> <a href="https://publications.waset.org/abstracts/74513/mikhail-bakhtins-standpoint-of-neo-marxism-and-beyond-bildungsroman-as-a-critique" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74513.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">261</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> Exploring the Visual Roots of Classical Rhetoric and Its Implication for Gender Politics: Reflection upon Roman Rhetoric from a Bakhtin's Perspective</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hsiao-Yung%20Wang">Hsiao-Yung Wang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study aims to explore the visual roots of classical rhetoric and its implication for gender politics by the constant reference to Mikhail Bakhtin’s theory of novelist time. First, it attempts to clarify the argument that “visuality always has been integral to rhetorical consciousness” by critically re-reading the rhetorical theories of roman rhetorician such as Cicero and Quintilian. Thereby, the vague clues of visuality would be realized from the so-called ‘five canons of rhetoric’ (invention, arrangement, style, memory, and delivery), which originally deriving from verbal and spoken rhetorical tradition. Drawing on Mikhail Bakhtin’s elaboration of novelist time in contrast to epic time, it addresses the specific timeline inherent in the dynamics of visual rhetoric involves the refusing the ‘absolute past’, the focusing on unfinalized contemporary reality, and the expecting for open future. Taking the primary visions of Taipei LGBT parade over the past 13 years as research cases, it mentions that visuality could not only activate the rhetorical functions of classical rhetoric, but also inspire gender politics in the contemporary era. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=classical%20rhetoric" title="classical rhetoric">classical rhetoric</a>, <a href="https://publications.waset.org/abstracts/search?q=gender%20politics" title=" gender politics"> gender politics</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20Bakhtin" title=" Mikhail Bakhtin"> Mikhail Bakhtin</a>, <a href="https://publications.waset.org/abstracts/search?q=visuality" title=" visuality"> visuality</a> </p> <a href="https://publications.waset.org/abstracts/49090/exploring-the-visual-roots-of-classical-rhetoric-and-its-implication-for-gender-politics-reflection-upon-roman-rhetoric-from-a-bakhtins-perspective" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49090.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">378</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> Comparative Isotherms Studies on Adsorptive Removal of Methyl Orange from Wastewater by Watermelon Rinds and Neem-Tree Leaves</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sadiq%20Sani">Sadiq Sani</a>, <a href="https://publications.waset.org/abstracts/search?q=Muhammad%20B.%20Ibrahim"> Muhammad B. Ibrahim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Watermelon rinds powder (WRP) and neem-tree leaves powder (NLP) were used as adsorbents for equilibrium adsorption isotherms studies for detoxification of methyl orange dye (MO) from simulated wastewater. The applicability of the process to various isotherm models was tested. All isotherms from the experimental data showed excellent linear reliability (R2: 0.9487-0.9992) but adsorptions onto WRP were more reliable (R2: 0.9724-0.9992) than onto NLP (R2: 0.9487-0.9989) except for Temkin’s Isotherm where reliability was better onto NLP (R2: 0.9937) than onto WRP (R2: 0.9935). Dubinin-Radushkevich’s monolayer adsorption capacities for both WRP and NLP (qD: 20.72 mg/g, 23.09 mg/g) were better than Langmuir’s (qm: 18.62 mg/g, 21.23 mg/g) with both capacities higher for adsorption onto NLP (qD: 23.09 mg/g; qm: 21.23 mg/g) than onto WRP (qD: 20.72 mg/g; qm: 18.62 mg/g). While values for Langmuir’s separation factor (RL) for both adsorbents suggested unfavourable adsorption processes (RL: -0.0461, -0.0250), Freundlich constant (nF) indicated favourable process onto both WRP (nF: 3.78) and NLP (nF: 5.47). Adsorption onto NLP had higher Dubinin-Radushkevich’s mean free energy of adsorption (E: 0.13 kJ/mol) than WRP (E: 0.08 kJ/mol) and Temkin’s heat of adsorption (bT) was better onto NLP (bT: -0.54 kJ/mol) than onto WRP (bT: -0.95 kJ/mol) all of which suggested physical adsorption. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adsorption%20isotherms" title="adsorption isotherms">adsorption isotherms</a>, <a href="https://publications.waset.org/abstracts/search?q=methyl%20orange" title=" methyl orange"> methyl orange</a>, <a href="https://publications.waset.org/abstracts/search?q=neem%20leaves" title=" neem leaves"> neem leaves</a>, <a href="https://publications.waset.org/abstracts/search?q=watermelon%20rinds" title=" watermelon rinds"> watermelon rinds</a> </p> <a href="https://publications.waset.org/abstracts/51688/comparative-isotherms-studies-on-adsorptive-removal-of-methyl-orange-from-wastewater-by-watermelon-rinds-and-neem-tree-leaves" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/51688.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">273</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">67</span> Revealing Corruption through Strategic Narration in Mandla Langa’s Memory of Stones (2000)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dzunisani%20Sibuyi">Dzunisani Sibuyi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article demonstrates how corruption is revealed in Mandla Langa’s Memory of Stones (2000) through the deployment of narrational strategies by applying narrative theories by Gerard Genette’s Narrative Discourse and Narrative Discourse Revisited, as well as Mikhail Bakhtin’s Dialogic Imagination to the text. This is accomplished by analysing Langa’s use of extradiegetic-heterodiegetic and intradiegetic-homodiegetic narrational strategies respectively employed by the anonymous narrator and character narrator Mpanza. The narration provided by these narrators is multi-voiced in its approach to the events depicting corruption from various completing and explanatory perspectives. In addition, Langa also employs narrative techniques of narrating times such as simultaneous, subsequent, and interpolated narration to highlight corruption taking place, which is highlighted by situating the story in its presentness moments coinciding with the corruption action. As a result, by emphasising the events portraying the plight of the main characters and their struggle to resist and defeat corrupt leaders, the narration strategically reveals corruption. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=narrational%20strategies" title="narrational strategies">narrational strategies</a>, <a href="https://publications.waset.org/abstracts/search?q=narrating%20voice" title=" narrating voice"> narrating voice</a>, <a href="https://publications.waset.org/abstracts/search?q=dialogism" title=" dialogism"> dialogism</a>, <a href="https://publications.waset.org/abstracts/search?q=corruption" title=" corruption"> corruption</a>, <a href="https://publications.waset.org/abstracts/search?q=G%C3%A9rard%20Genette" title=" Gérard Genette"> Gérard Genette</a>, <a href="https://publications.waset.org/abstracts/search?q=Mandla%20Langa" title=" Mandla Langa"> Mandla Langa</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20Bakhtin" title=" Mikhail Bakhtin"> Mikhail Bakhtin</a>, <a href="https://publications.waset.org/abstracts/search?q=time%28s%29%20of%20the%20narration" title=" time(s) of the narration"> time(s) of the narration</a> </p> <a href="https://publications.waset.org/abstracts/158672/revealing-corruption-through-strategic-narration-in-mandla-langas-memory-of-stones-2000" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/158672.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">103</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">66</span> Early Cell Cultures Derived from Human Prostate Cancer Tissue Express Tissue-Specific Epithelial and Cancer Markers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vladimir%20Ryabov">Vladimir Ryabov</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20Baryshevs"> Mikhail Baryshevs</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20Voskresenskey"> Mikhail Voskresenskey</a>, <a href="https://publications.waset.org/abstracts/search?q=Boris%20Popov"> Boris Popov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The human prostate gland (PG) samples were obtained from patients who had undergone radical prostatectomy for prostate cancer (PC) and used to extract total RNA and prepare the prostate stromal cell cultures (PSCC) and patients-derived organoids (PDO). Growth of the cell cultures was accessed under microscopic evaluation in transmitted light and the marker expression by reverse polymerase chain reaction (RT-PCR), immunofluorescence, and immunoblotting. Some PCR products from prostate tissue, PSCC, and PDO were cloned and sequenced. We found that the cells of early and late passages of PSCC and corresponding PDO expressed luminal (androgen receptor, AR; cytokeratin 18, CK18) and basal (CK5, p63) epithelial markers, the production of which decreased or disappeared in late PSCC and PDO. The PSCC and PDO of early passages from cancer tissue additionally produced cancer markers AMACR, TMPRSS2-ERG, and Ezh2. The expression of TMPRSS2-ERG fusion transcripts was verified by cloning and sequencing the PCR products. The results obtained suggest that early passages of PSCC might be used as a pre-clinical model for the evaluation of early markers of prostate cancer. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=localized%20prostate%20cancer" title="localized prostate cancer">localized prostate cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=prostate%20epithelial%20markers" title=" prostate epithelial markers"> prostate epithelial markers</a>, <a href="https://publications.waset.org/abstracts/search?q=prostate%20cancer%20markers" title=" prostate cancer markers"> prostate cancer markers</a>, <a href="https://publications.waset.org/abstracts/search?q=AMACR" title=" AMACR"> AMACR</a>, <a href="https://publications.waset.org/abstracts/search?q=TMPRSS2-ERG" title=" TMPRSS2-ERG"> TMPRSS2-ERG</a>, <a href="https://publications.waset.org/abstracts/search?q=prostate%20stromal%20cell%20cultures" title=" prostate stromal cell cultures"> prostate stromal cell cultures</a>, <a href="https://publications.waset.org/abstracts/search?q=PDO" title=" PDO"> PDO</a> </p> <a href="https://publications.waset.org/abstracts/153032/early-cell-cultures-derived-from-human-prostate-cancer-tissue-express-tissue-specific-epithelial-and-cancer-markers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/153032.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">108</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">65</span> Magnetic Activated Carbon: Preparation, Characterization, and Application for Vanadium Removal </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hakimeh%20Sharififard">Hakimeh Sharififard</a>, <a href="https://publications.waset.org/abstracts/search?q=Mansooreh%20Soleimani"> Mansooreh Soleimani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, the magnetic activated carbon nanocomposite (Fe-CAC) has been synthesized by anchorage iron hydr(oxide) nanoparticles onto commercial activated carbon (CAC) surface and characterized using BET, XRF, SEM techniques. The influence of various removal parameters such as pH, contact time and initial concentration of vanadium on vanadium removal was evaluated using CAC and Fe-CAC in batch method. The sorption isotherms were studied using Langmuir, Freundlich and Dubinin–Radushkevich (D–R) isotherm models. These equilibrium data were well described by the Freundlich model. Results showed that CAC had the vanadium adsorption capacity of 37.87 mg/g, while the Fe-AC was able to adsorb 119.01 mg/g of vanadium. Kinetic data was found to confirm pseudo-second-order kinetic model for both adsorbents. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=magnetic%20activated%20carbon" title="magnetic activated carbon">magnetic activated carbon</a>, <a href="https://publications.waset.org/abstracts/search?q=remove" title=" remove"> remove</a>, <a href="https://publications.waset.org/abstracts/search?q=vanadium" title=" vanadium"> vanadium</a>, <a href="https://publications.waset.org/abstracts/search?q=nanocomposite" title=" nanocomposite"> nanocomposite</a>, <a href="https://publications.waset.org/abstracts/search?q=freundlich" title=" freundlich "> freundlich </a> </p> <a href="https://publications.waset.org/abstracts/23874/magnetic-activated-carbon-preparation-characterization-and-application-for-vanadium-removal" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23874.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">463</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">64</span> Energy Conservation and H-Theorem for the Enskog-Vlasov Equation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eugene%20Benilov">Eugene Benilov</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20Benilov"> Mikhail Benilov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Enskog-Vlasov (EV) equation is a widely used semi-phenomenological model of gas/liquid phase transitions. We show that it does not generally conserve energy, although there exists a restriction on its coefficients for which it does. Furthermore, if an energy-preserving version of the EV equation satisfies an H-theorem as well, it can be used to rigorously derive the so-called Maxwell construction which determines the parameters of liquid-vapor equilibria. Finally, we show that the EV model provides an accurate description of the thermodynamics of noble fluids, and there exists a version simple enough for use in applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Enskog%20collision%20integral" title="Enskog collision integral">Enskog collision integral</a>, <a href="https://publications.waset.org/abstracts/search?q=hard%20spheres" title=" hard spheres"> hard spheres</a>, <a href="https://publications.waset.org/abstracts/search?q=kinetic%20equation" title=" kinetic equation"> kinetic equation</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20transition" title=" phase transition"> phase transition</a> </p> <a href="https://publications.waset.org/abstracts/97730/energy-conservation-and-h-theorem-for-the-enskog-vlasov-equation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/97730.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">153</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">63</span> Pair Interaction in Transition-Metal Nanoparticles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nikolay%20E.%20Dubinin">Nikolay E. Dubinin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Pair-interaction approximations allow to consider a different states of condensed matter from a single position. At the same time, description of an effective pair interaction in transition metal is a hard task since the d-electron contribution to the potential energy in this case is non-pairwise in principle. There are a number of models for transition-metal effective pair potentials. Here we use the Wills-Harrison (WH) approach to calculate pair potentials for Fe, Co, and Ni in crystalline, liquid, and nano states. Last is especially interesting since nano particles of pure transition metals immobilized on the dielectric matrices are widely used in different fields of advanced technologies: as carriers and transmitters of information, as an effective catalytic materials, etc. It is found that the minimum of the pair potential is deeper and oscillations are stronger in nano crystalline state in comparison with the liquid and crystalline states for all metals under consideration. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=effective%20pair%20potential" title="effective pair potential">effective pair potential</a>, <a href="https://publications.waset.org/abstracts/search?q=nanocrystalline%20state" title=" nanocrystalline state"> nanocrystalline state</a>, <a href="https://publications.waset.org/abstracts/search?q=transition%20metal" title=" transition metal"> transition metal</a>, <a href="https://publications.waset.org/abstracts/search?q=Wills-Harrison%20approach" title=" Wills-Harrison approach "> Wills-Harrison approach </a> </p> <a href="https://publications.waset.org/abstracts/14984/pair-interaction-in-transition-metal-nanoparticles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14984.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">384</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">62</span> Removal of Cr⁶⁺, Co²⁺ and Ni²⁺ Ions from Aqueous Solutions by Algerian Enteromorpha compressa (L.) Biomass</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Asma%20Aid">Asma Aid</a>, <a href="https://publications.waset.org/abstracts/search?q=Samira%20Amokrane"> Samira Amokrane</a>, <a href="https://publications.waset.org/abstracts/search?q=Djamel%20Nibou"> Djamel Nibou</a>, <a href="https://publications.waset.org/abstracts/search?q=Hadj%20Mekatel"> Hadj Mekatel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The marine Enteromorpha Compressa (L.) (ECL) biomass was used as a low-cost biological adsorbent for the removal of Cr⁶⁺, Co²⁺ and Ni²⁺ ions from artificially contaminated aqueous solutions. The operating variables pH, the initial concentration C₀, the solid/liquid ratio R and the temperature T were studied. A full factorial experimental design technique enabled us to obtain a mathematical model describing the adsorption of Cr⁶⁺, Co²⁺ and Ni²⁺ ions and to study the main effects and interactions among operational parameters. The equilibrium isotherm has been analyzed by Langmuir, Freundlich, and Dubinin-Radushkevich models; it has been found that the adsorption process follows the Langmuir model for the used ions. Kinetic studies showed that the pseudo-second-order model correlates our experimental data. Thermodynamic parameters showed the endothermic heat of adsorption and the spontaneity of the adsorption process for Cr⁶⁺ ions and exothermic heat of adsorption for Co²⁺ and Ni²⁺ ions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=enteromorpha%20Compressa" title="enteromorpha Compressa">enteromorpha Compressa</a>, <a href="https://publications.waset.org/abstracts/search?q=adsorption%20process" title=" adsorption process"> adsorption process</a>, <a href="https://publications.waset.org/abstracts/search?q=Cr%E2%81%B6%E2%81%BA" title=" Cr⁶⁺"> Cr⁶⁺</a>, <a href="https://publications.waset.org/abstracts/search?q=Co%C2%B2%E2%81%BA%20and%20Ni%C2%B2%E2%81%BA" title=" Co²⁺ and Ni²⁺"> Co²⁺ and Ni²⁺</a>, <a href="https://publications.waset.org/abstracts/search?q=equilibrium%20isotherm" title=" equilibrium isotherm"> equilibrium isotherm</a> </p> <a href="https://publications.waset.org/abstracts/67678/removal-of-cr6-co2-and-ni2-ions-from-aqueous-solutions-by-algerian-enteromorpha-compressa-l-biomass" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67678.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">196</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">61</span> Removal of Heavy Metal from Wastewater using Bio-Adsorbent</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rakesh%20Namdeti">Rakesh Namdeti</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The liquid waste-wastewater- is essentially the water supply of the community after it has been used in a variety of applications. In recent years, heavy metal concentrations, besides other pollutants, have increased to reach dangerous levels for the living environment in many regions. Among the heavy metals, Lead has the most damaging effects on human health. It can enter the human body through the uptake of food (65%), water (20%), and air (15%). In this background, certain low-cost and easily available biosorbent was used and reported in this study. The scope of the present study is to remove Lead from its aqueous solution using Olea EuropaeaResin as biosorbent. The results showed that the biosorption capacity of Olea EuropaeaResin biosorbent was more for Lead removal. The Langmuir, Freundlich, Tempkin, and Dubinin-Radushkevich (D-R) models were used to describe the biosorption equilibrium of Lead Olea EuropaeaResin biosorbent, and the biosorption followed the Langmuir isotherm. The kinetic models showed that the pseudo-second-order rate expression was found to represent well the biosorption data for the biosorbent. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=novel%20biosorbent" title="novel biosorbent">novel biosorbent</a>, <a href="https://publications.waset.org/abstracts/search?q=central%20composite%20design" title=" central composite design"> central composite design</a>, <a href="https://publications.waset.org/abstracts/search?q=Lead" title=" Lead"> Lead</a>, <a href="https://publications.waset.org/abstracts/search?q=isotherms" title=" isotherms"> isotherms</a>, <a href="https://publications.waset.org/abstracts/search?q=kinetics" title=" kinetics"> kinetics</a> </p> <a href="https://publications.waset.org/abstracts/161521/removal-of-heavy-metal-from-wastewater-using-bio-adsorbent" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161521.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">78</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">60</span> Binocular Heterogeneity in Saccadic Suppression</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Evgeny%20Kozubenko">Evgeny Kozubenko</a>, <a href="https://publications.waset.org/abstracts/search?q=Dmitry%20Shaposhnikov"> Dmitry Shaposhnikov</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20Petrushan"> Mikhail Petrushan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work is focused on the study of the binocular characteristics of the phenomenon of perisaccadic suppression in humans when perceiving visual objects. This phenomenon manifests in a decrease in the subject's ability to perceive visual information during saccades, which play an important role in purpose-driven behavior and visual perception. It was shown that the impairment of perception of visual information in the post-saccadic time window is stronger (p < 0.05) in the ipsilateral eye (the eye towards which the saccade occurs). In addition, the observed heterogeneity of post-saccadic suppression in the contralateral and ipsilateral eyes may relate to depth perception. Taking the studied phenomenon into account is important when developing ergonomic control panels in modern operator systems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=eye%20movement" title="eye movement">eye movement</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20vision" title=" natural vision"> natural vision</a>, <a href="https://publications.waset.org/abstracts/search?q=saccadic%20suppression" title=" saccadic suppression"> saccadic suppression</a>, <a href="https://publications.waset.org/abstracts/search?q=visual%20perception" title=" visual perception"> visual perception</a> </p> <a href="https://publications.waset.org/abstracts/137677/binocular-heterogeneity-in-saccadic-suppression" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/137677.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">156</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">59</span> Adsorption of Lead and Zinc Ions Onto Chemical Activated Millet Husk: Equilibrium and Kinetics Studies</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hilary%20Rutto">Hilary Rutto</a>, <a href="https://publications.waset.org/abstracts/search?q=Linda%20Sibali"> Linda Sibali</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, the adsorption of lead and zinc ions from aqueous solutions by modified millet husk has been investigated. The effects of different parameters, such as pH, adsorbent dosage, concentration, temperature, and contact time, have been investigated. The results of the experiments showed that the adsorption of both metal ions increased by increasing pH values up to 11. Adsorption process was initially fast. The adsorption rate decreased then until it reached to equilibrium time of 120 min for both lead and zinc ions. The Langmuir, Freundlich, Dubinin-Radushkevich (D-R), and thermodynamic models (Gibbs free energy) were used to determine the isotherm parameters associated with the adsorption process. The positive values of Gibbs free energy change indicated that reaction is not spontaneous. Experimental data were also evaluated in terms of kinetic characteristics of adsorption, and it was found that adsorption process for both metal ions followed pseudo-first order for zinc and pseudo-second-order for lead. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=zinc" title="zinc">zinc</a>, <a href="https://publications.waset.org/abstracts/search?q=lead" title=" lead"> lead</a>, <a href="https://publications.waset.org/abstracts/search?q=adsorption" title=" adsorption"> adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=millet%20husks" title=" millet husks"> millet husks</a> </p> <a href="https://publications.waset.org/abstracts/130830/adsorption-of-lead-and-zinc-ions-onto-chemical-activated-millet-husk-equilibrium-and-kinetics-studies" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/130830.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">166</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">58</span> New Kinetic Effects in Spatial Distribution of Electron Flux and Excitation Rates in Glow Discharge Plasmas in Middle and High Pressures</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kirill%20D.%20Kapustin">Kirill D. Kapustin</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20B.%20Krasilnikov"> Mikhail B. Krasilnikov</a>, <a href="https://publications.waset.org/abstracts/search?q=Anatoly%20A.%20Kudryavtsev"> Anatoly A. Kudryavtsev</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Physical formation mechanisms of differential electron fluxes is high pressure positive column gas discharge are discussed. It is shown that the spatial differential fluxes of the electrons are directed both inward and outward depending on the energy relaxation law. In some cases the direction of energy differential flux at intermediate energies (5-10eV) in whole volume, except region near the wall, appeared to be down directed, so electron in this region dissipate more energy than gain from axial electric field. Paradoxical behaviour of electron flux in spatial-energy space is presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=plasma%20kinetics" title="plasma kinetics">plasma kinetics</a>, <a href="https://publications.waset.org/abstracts/search?q=electron%20distribution%20function" title=" electron distribution function"> electron distribution function</a>, <a href="https://publications.waset.org/abstracts/search?q=excitation%20and%20radiation%20rates" title=" excitation and radiation rates"> excitation and radiation rates</a>, <a href="https://publications.waset.org/abstracts/search?q=local%20and%20nonlocal%20EDF" title=" local and nonlocal EDF"> local and nonlocal EDF</a> </p> <a href="https://publications.waset.org/abstracts/4431/new-kinetic-effects-in-spatial-distribution-of-electron-flux-and-excitation-rates-in-glow-discharge-plasmas-in-middle-and-high-pressures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4431.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">400</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">57</span> Kinetics, Equilibrium and Thermodynamics of the Adsorption of Triphenyltin onto NanoSiO₂/Fly Ash/Activated Carbon Composite</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Olushola%20S.%20Ayanda">Olushola S. Ayanda</a>, <a href="https://publications.waset.org/abstracts/search?q=Olalekan%20S.%20Fatoki"> Olalekan S. Fatoki</a>, <a href="https://publications.waset.org/abstracts/search?q=Folahan%20A.%20Adekola"> Folahan A. Adekola</a>, <a href="https://publications.waset.org/abstracts/search?q=Bhekumusa%20J.%20Ximba"> Bhekumusa J. Ximba</a>, <a href="https://publications.waset.org/abstracts/search?q=Cecilia%20O.%20Akintayo"> Cecilia O. Akintayo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present study, the kinetics, equilibrium and thermodynamics of the adsorption of triphenyltin (TPT) from TPT-contaminated water onto nanoSiO2/fly ash/activated carbon composite was investigated in batch adsorption system. Equilibrium adsorption data were analyzed using Langmuir, Freundlich, Temkin and Dubinin–Radushkevich (D-R) isotherm models. Pseudo ﬁrst- and second-order, Elovich and fractional power models were applied to test the kinetic data and in order to understand the mechanism of adsorption, thermodynamic parameters such as ΔG°, ΔSo and ΔH° were also calculated. The results showed a very good compliance with pseudo second-order equation while the Freundlich and D-R models fit the experiment data. Approximately 99.999 % TPT was removed from the initial concentration of 100 mg/L TPT at 80oC, contact time of 60 min, pH 8 and a stirring speed of 200 rpm. Thus, nanoSiO2/fly ash/activated carbon composite could be used as effective adsorbent for the removal of TPT from contaminated water and wastewater. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=isotherm" title="isotherm">isotherm</a>, <a href="https://publications.waset.org/abstracts/search?q=kinetics" title=" kinetics"> kinetics</a>, <a href="https://publications.waset.org/abstracts/search?q=nanoSiO%E2%82%82%2Ffly%20ash%2Factivated%20carbon%20composite" title=" nanoSiO₂/fly ash/activated carbon composite"> nanoSiO₂/fly ash/activated carbon composite</a>, <a href="https://publications.waset.org/abstracts/search?q=tributyltin" title=" tributyltin"> tributyltin</a> </p> <a href="https://publications.waset.org/abstracts/52321/kinetics-equilibrium-and-thermodynamics-of-the-adsorption-of-triphenyltin-onto-nanosio2fly-ashactivated-carbon-composite" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52321.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">56</span> Fast Algorithm to Determine Initial Tsunami Wave Shape at Source</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alexander%20P.%20Vazhenin">Alexander P. Vazhenin</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20M.%20Lavrentiev"> Mikhail M. Lavrentiev</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexey%20A.%20Romanenko"> Alexey A. Romanenko</a>, <a href="https://publications.waset.org/abstracts/search?q=Pavel%20V.%20Tatarintsev"> Pavel V. Tatarintsev </a> </p> <p class="card-text"><strong>Abstract:</strong></p> One of the problems obstructing effective tsunami modelling is the lack of information about initial wave shape at source. The existing methods; geological, sea radars, satellite images, contain an important part of uncertainty. Therefore, direct measurement of tsunami waves obtained at the deep water bottom peruse recorders is also used. In this paper we propose a new method to reconstruct the initial sea surface displacement at tsunami source by the measured signal (marigram) approximation with the help of linear combination of synthetic marigrams from the selected set of unit sources, calculated in advance. This method has demonstrated good precision and very high performance. The mathematical model and results of numerical tests are here described. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=numerical%20tests" title="numerical tests">numerical tests</a>, <a href="https://publications.waset.org/abstracts/search?q=orthogonal%20decomposition" title=" orthogonal decomposition"> orthogonal decomposition</a>, <a href="https://publications.waset.org/abstracts/search?q=Tsunami%20Initial%20Sea%20Surface%20Displacement" title=" Tsunami Initial Sea Surface Displacement"> Tsunami Initial Sea Surface Displacement</a> </p> <a href="https://publications.waset.org/abstracts/23815/fast-algorithm-to-determine-initial-tsunami-wave-shape-at-source" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23815.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">55</span> Time Delay Estimation Using Signal Envelopes for Synchronisation of Recordings</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sergei%20Aleinik">Sergei Aleinik</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20Stolbov"> Mikhail Stolbov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, a method of time delay estimation for dual-channel acoustic signals (speech, music, etc.) recorded under reverberant conditions is investigated. Standard methods based on cross-correlation of the signals show poor results in cases involving strong reverberation, large distances between microphones and asynchronous recordings. Under similar conditions, a method based on cross-correlation of temporal envelopes of the signals delivers a delay estimation of acceptable quality. This method and its properties are described and investigated in detail, including its limits of applicability. The method’s optimal parameter estimation and a comparison with other known methods of time delay estimation are also provided. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cross-correlation" title="cross-correlation">cross-correlation</a>, <a href="https://publications.waset.org/abstracts/search?q=delay%20estimation" title=" delay estimation"> delay estimation</a>, <a href="https://publications.waset.org/abstracts/search?q=signal%20envelope" title=" signal envelope"> signal envelope</a>, <a href="https://publications.waset.org/abstracts/search?q=signal%20processing" title=" signal processing"> signal processing</a> </p> <a href="https://publications.waset.org/abstracts/2280/time-delay-estimation-using-signal-envelopes-for-synchronisation-of-recordings" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2280.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">484</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">54</span> Non Classical Photonic Nanojets in near Field of Metallic and Negative-Index Scatterers, Purely Electric and Magnetic Nanojets</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dmytro%20O.%20Plutenko">Dmytro O. Plutenko</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexei%20D.%20Kiselev"> Alexei D. Kiselev</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20V.%20Vasnetsov"> Mikhail V. Vasnetsov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We present the results of our analytical and computational study of Laguerre-Gaussian (LG) beams scattering by spherical homogeneous isotropic particles located on the axis of the beam. We consider different types of scatterers (dielectric, metallic and double negative metamaterials) and different polarizations of the LG beams. A possibility to generate photonic nanojets using metallic and double negative metamaterial Mie scatterers is shown. We have studied the properties of such nonclassical nanojets and discovered new types of the nanojets characterized by zero on-axes magnetic (or electric) field with the electric (or magnetic) field polarized along the z-axis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=double%20negative%20metamaterial" title="double negative metamaterial">double negative metamaterial</a>, <a href="https://publications.waset.org/abstracts/search?q=Laguerre-Gaussian%20beam" title=" Laguerre-Gaussian beam"> Laguerre-Gaussian beam</a>, <a href="https://publications.waset.org/abstracts/search?q=Mie%20scattering" title=" Mie scattering"> Mie scattering</a>, <a href="https://publications.waset.org/abstracts/search?q=optical%20vortices" title=" optical vortices"> optical vortices</a>, <a href="https://publications.waset.org/abstracts/search?q=photonic%20nanojets" title=" photonic nanojets"> photonic nanojets</a> </p> <a href="https://publications.waset.org/abstracts/80428/non-classical-photonic-nanojets-in-near-field-of-metallic-and-negative-index-scatterers-purely-electric-and-magnetic-nanojets" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/80428.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">221</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">53</span> Options Trading and Crash Risk</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Cameron%20Truong">Cameron Truong</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20Bhatia"> Mikhail Bhatia</a>, <a href="https://publications.waset.org/abstracts/search?q=Yangyang%20Chen"> Yangyang Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Viet%20Nga%20Cao"> Viet Nga Cao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Using a sample of U.S. firms between 1996 and 2011, this paper documents a positive association between options trading volume and future stock price crash risk. This relation is evidently more pronounced among firms with higher information asymmetry, business uncertainty, and short-sale constraints. In a dichotomous cross-sectional setting, we also document that firms with options trading have higher future crash risk than firms without options trading. We further show in a difference-in-difference analysis that firms experience an increase in crash risk immediately after the listing of options. The results suggest that options traders are able of identifying bad news hoarding by management and choose to trade in a liquid options market in anticipation of future crashes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bad%20news%20hoarding" title="bad news hoarding">bad news hoarding</a>, <a href="https://publications.waset.org/abstracts/search?q=cross-sectional%20setting" title=" cross-sectional setting"> cross-sectional setting</a>, <a href="https://publications.waset.org/abstracts/search?q=options%20trading" title=" options trading"> options trading</a>, <a href="https://publications.waset.org/abstracts/search?q=stock%20price%20crash" title=" stock price crash"> stock price crash</a> </p> <a href="https://publications.waset.org/abstracts/22837/options-trading-and-crash-risk" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22837.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">449</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">52</span> Cadmium Adsorption by Modified Magnetic Biochar</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chompoonut%20Chaiyaraksa">Chompoonut Chaiyaraksa</a>, <a href="https://publications.waset.org/abstracts/search?q=Chanida%20Singbubpha"> Chanida Singbubpha</a>, <a href="https://publications.waset.org/abstracts/search?q=Kliaothong%20Angkabkingkaew"> Kliaothong Angkabkingkaew</a>, <a href="https://publications.waset.org/abstracts/search?q=Thitikorn%20Boonyasawin"> Thitikorn Boonyasawin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Heavy metal contamination in an environment is an important problem in Thailand that needs to be addressed urgently, particularly contaminated with water. It can spread to other environments faster. This research aims to study the adsorption of cadmium ion by unmodified biochar and sodium dodecyl sulfate modified magnetic biochar derived from Eichhornia Crassipes. The determination of the adsorbent characteristics was by Scanning Electron Microscope, Fourier Transform Infrared Spectrometer, X-ray Diffractometer, and the pH drift method. This study also included the comparison of adsorption efficiency of both types of biochar, adsorption isotherms, and kinetics. The pH value at the point of zero charges of the unmodified biochar and modified magnetic biochar was 7.40 and 3.00, respectively. The maximum value of adsorption reached when using pH 8. The equilibrium adsorption time was 5 hours and 1 hour for unmodified biochar and modified magnetic biochar, respectively. The cadmium adsorption by both adsorbents followed Freundlich, Temkin, and Dubinin – Radushkevich isotherm model and the pseudo-second-order kinetic. The adsorption process was spontaneous at high temperatures and non-spontaneous at low temperatures. It was an endothermic process, physisorption in nature, and can occur naturally. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Eichhornia%20crassipes" title="Eichhornia crassipes">Eichhornia crassipes</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20biochar" title=" magnetic biochar"> magnetic biochar</a>, <a href="https://publications.waset.org/abstracts/search?q=sodium%20dodecyl%20sulfate" title=" sodium dodecyl sulfate"> sodium dodecyl sulfate</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20treatment" title=" water treatment"> water treatment</a> </p> <a href="https://publications.waset.org/abstracts/90337/cadmium-adsorption-by-modified-magnetic-biochar" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/90337.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">51</span> The Influence of Carbamazepine on the Activity of CYP3A4 in Patients with Alcoholism</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20S.%20Zastrozhin">Mikhail S. Zastrozhin</a>, <a href="https://publications.waset.org/abstracts/search?q=Valery%20V.%20Smirnov"> Valery V. Smirnov</a>, <a href="https://publications.waset.org/abstracts/search?q=Dmitry%20A.%20Sychev"> Dmitry A. Sychev</a>, <a href="https://publications.waset.org/abstracts/search?q=Ludmila%20M.%20Savchenko"> Ludmila M. Savchenko</a>, <a href="https://publications.waset.org/abstracts/search?q=Evgeny%20A.%20Bryun"> Evgeny A. Bryun</a>, <a href="https://publications.waset.org/abstracts/search?q=Mark%20O.%20Nechaev"> Mark O. Nechaev</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cytochrome P-450 isoenzyme 3A4 takes part in the biotransformation of medical drugs. The activity of CYP isoenzymes depends on genetic (polymorphisms of genes which encoded it) and phenotypic factors (a kind of food, a concomitant drug therapy). The aim of the study was to evaluate a carbamazepine effect on the CYP3A4 activity in patients with alcohol addiction. The study included 25 men with alcohol dependence, who received haloperidol during the exacerbation of the addiction. CYP3A4 activity was assessed by urinary 6-beta-hydroxycortisol/cortisol ratios measured by high performance liquid chromatography with mass spectrometry. The study modeled a graph and an equation of the logarithmic regression, that reflects the dependence of CYP3A4 activity on a dose of carbamazepine: y = 5,5 * 9,1 * 10-5 * x2. The study statistically significant demonstrates the effect of carbamazepine on CYP2D6 isozyme activity in patients with alcohol addiction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CYP3A4" title="CYP3A4">CYP3A4</a>, <a href="https://publications.waset.org/abstracts/search?q=biotransformation" title=" biotransformation"> biotransformation</a>, <a href="https://publications.waset.org/abstracts/search?q=carbamazepine" title=" carbamazepine"> carbamazepine</a>, <a href="https://publications.waset.org/abstracts/search?q=alcohol%20abuse" title=" alcohol abuse"> alcohol abuse</a> </p> <a href="https://publications.waset.org/abstracts/56652/the-influence-of-carbamazepine-on-the-activity-of-cyp3a4-in-patients-with-alcoholism" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56652.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">276</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">50</span> Influence of Different Asymmetric Rolling Processes on Shear Strain</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alexander%20Pesin">Alexander Pesin</a>, <a href="https://publications.waset.org/abstracts/search?q=Denis%20Pustovoytov"> Denis Pustovoytov</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20Sverdlik"> Mikhail Sverdlik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Materials with ultrafine-grained structure and unique physical and mechanical properties can be obtained by methods of severe plastic deformation, which include processes of asymmetric rolling (AR). Asymmetric rolling is a very effective way to create ultrafine-grained structures of metals and alloys. Since the asymmetric rolling is a continuous process, it has great potential for industrial production of ultrafine-grained structure sheets. Basic principles of asymmetric rolling are described in detail in scientific literature. In this work finite element modeling of asymmetric rolling and metal forming processes in multiroll gauge was performed. Parameters of the processes which allow achieving significant values of shear strain were defined. The results of the study will be useful for the research of the evolution of ultra-fine metal structure in asymmetric rolling. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=asymmetric%20rolling" title="asymmetric rolling">asymmetric rolling</a>, <a href="https://publications.waset.org/abstracts/search?q=equivalent%20strain" title=" equivalent strain"> equivalent strain</a>, <a href="https://publications.waset.org/abstracts/search?q=FEM" title=" FEM"> FEM</a>, <a href="https://publications.waset.org/abstracts/search?q=multiroll%20gauge" title=" multiroll gauge"> multiroll gauge</a>, <a href="https://publications.waset.org/abstracts/search?q=profile" title=" profile"> profile</a>, <a href="https://publications.waset.org/abstracts/search?q=severe%20plastic%20deformation" title=" severe plastic deformation"> severe plastic deformation</a>, <a href="https://publications.waset.org/abstracts/search?q=shear%20strain" title=" shear strain"> shear strain</a>, <a href="https://publications.waset.org/abstracts/search?q=sheet" title=" sheet"> sheet</a> </p> <a href="https://publications.waset.org/abstracts/6490/influence-of-different-asymmetric-rolling-processes-on-shear-strain" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/6490.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">264</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">49</span> Development of Active Learning Calculus Course for Biomedical Program </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20Bouniaev">Mikhail Bouniaev</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper reviews design and implementation of a Calculus Course required for the Biomedical Competency Based Program developed as a joint project between The University of Texas Rio Grande Valley, and the University of Texas’ Institute for Transformational Learning, from the theoretical perspective as presented in scholarly work on active learning, formative assessment, and on-line teaching. Following a four stage curriculum development process (objective, content, delivery, and assessment), and theoretical recommendations that guarantee effectiveness and efficiency of assessment in active learning, we discuss the practical recommendations on how to incorporate a strong formative assessment component to address disciplines’ needs, and students’ major needs. In design and implementation of this project, we used Constructivism and Stage-by-Stage Development of Mental Actions Theory recommendations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=active%20learning" title="active learning">active learning</a>, <a href="https://publications.waset.org/abstracts/search?q=assessment" title=" assessment"> assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=calculus" title=" calculus"> calculus</a>, <a href="https://publications.waset.org/abstracts/search?q=cognitive%20demand" title=" cognitive demand"> cognitive demand</a>, <a href="https://publications.waset.org/abstracts/search?q=mathematics" title=" mathematics"> mathematics</a>, <a href="https://publications.waset.org/abstracts/search?q=stage-by-stage%20development%20of%20mental%20action%20theory" title=" stage-by-stage development of mental action theory"> stage-by-stage development of mental action theory</a> </p> <a href="https://publications.waset.org/abstracts/73453/development-of-active-learning-calculus-course-for-biomedical-program" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/73453.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">360</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">48</span> On the Study of All Waterloo Automaton Semilattices</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20Abramyan">Mikhail Abramyan</a>, <a href="https://publications.waset.org/abstracts/search?q=Boris%20Melnikov"> Boris Melnikov</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim is to study the set of subsets of grids of the Waterloo automaton and the set of covering automata defined by the grid subsets. The study was carried out using the library for working with nondeterministic finite automata NFALib implemented by one of the authors (M. Abramyan) in C#. The results are regularities obtained when considering semilattices of covering automata for the Waterloo automaton. A complete description of the obtained semilattices from the point of view of equivalence of the covering automata to the original Waterloo automaton is given, the criterion of equivalence of the covering automaton to the Waterloo automaton in terms of properties of the subset of grids defining the covering automaton is formulated. The relevance of the subject area under consideration is due to the need to research a set of regular languages and, in particular, a description of their various subclasses. Also relevant are the problems that may arise in some subclasses. This will give, among other things, the possibility of describing new algorithms for the equivalent transformation of nondeterministic finite automata. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nondeterministic%20finite%20automata" title="nondeterministic finite automata">nondeterministic finite automata</a>, <a href="https://publications.waset.org/abstracts/search?q=universal%20automaton" title=" universal automaton"> universal automaton</a>, <a href="https://publications.waset.org/abstracts/search?q=grid" title=" grid"> grid</a>, <a href="https://publications.waset.org/abstracts/search?q=covering%20automaton" title=" covering automaton"> covering automaton</a>, <a href="https://publications.waset.org/abstracts/search?q=equivalent%20transformation%20algorithms" title=" equivalent transformation algorithms"> equivalent transformation algorithms</a>, <a href="https://publications.waset.org/abstracts/search?q=the%20Waterloo%20automaton" title=" the Waterloo automaton"> the Waterloo automaton</a> </p> <a href="https://publications.waset.org/abstracts/172838/on-the-study-of-all-waterloo-automaton-semilattices" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172838.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">47</span> Fluctuations of Transfer Factor of the Mixer Based on Schottky Diode</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alexey%20V.%20Klyuev">Alexey V. Klyuev</a>, <a href="https://publications.waset.org/abstracts/search?q=Arkady%20V.%20Yakimov"> Arkady V. Yakimov</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20I.%20Ryzhkin"> Mikhail I. Ryzhkin</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrey%20V.%20Klyuev"> Andrey V. Klyuev</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Fluctuations of Schottky diode parameters in a structure of the mixer are investigated. These fluctuations are manifested in two ways. At the first, they lead to fluctuations in the transfer factor that is lead to the amplitude fluctuations in the signal of intermediate frequency. On the basis of the measurement data of 1/f noise of the diode at forward current, the estimation of a spectrum of relative fluctuations in transfer factor of the mixer is executed. Current dependence of the spectrum of relative fluctuations in transfer factor of the mixer and dependence of the spectrum of relative fluctuations in transfer factor of the mixer on the amplitude of the heterodyne signal are investigated. At the second, fluctuations in parameters of the diode lead to the occurrence of 1/f noise in the output signal of the mixer. This noise limits the sensitivity of the mixer to the value of received signal. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=current-voltage%20characteristic" title="current-voltage characteristic">current-voltage characteristic</a>, <a href="https://publications.waset.org/abstracts/search?q=fluctuations" title=" fluctuations"> fluctuations</a>, <a href="https://publications.waset.org/abstracts/search?q=mixer" title=" mixer"> mixer</a>, <a href="https://publications.waset.org/abstracts/search?q=Schottky%20diode" title=" Schottky diode"> Schottky diode</a>, <a href="https://publications.waset.org/abstracts/search?q=1%2Ff%20noise" title=" 1/f noise"> 1/f noise</a> </p> <a href="https://publications.waset.org/abstracts/37525/fluctuations-of-transfer-factor-of-the-mixer-based-on-schottky-diode" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37525.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">586</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">46</span> The Effect of Artificial Intelligence on Media Production</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mona%20Mikhail%20Shakhloul%20Gadalla">Mona Mikhail Shakhloul Gadalla</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The brand-new media revolution, which features a huge range of new media technologies like blogs, social networking, visual worlds, and wikis, has had a tremendous impact on communications, traditional media and across different disciplines. This paper gives an evaluation of the impact of recent media technology on the news, social interactions and conventional media in developing and advanced nations. The look points to the reality that there is a widespread impact of recent media technologies on the news, social interactions and the conventional media in developing and developed nations, albeit undoubtedly and negatively. Social interactions have been considerably affected, in addition to news manufacturing and reporting. It's miles reiterated that regardless of the pervasiveness of recent media technologies, it might now not carry a complete decline of conventional media. This paper contributes to the theoretical framework of the new media and will assist in assessing the extent of the effect of the new media in special places. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=court%20reporting" title="court reporting">court reporting</a>, <a href="https://publications.waset.org/abstracts/search?q=offenders%20in%20media" title=" offenders in media"> offenders in media</a>, <a href="https://publications.waset.org/abstracts/search?q=quantitative%20content%20analysis" title=" quantitative content analysis"> quantitative content analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=victims%20in%20mediamedia%20literacy" title=" victims in mediamedia literacy"> victims in mediamedia literacy</a>, <a href="https://publications.waset.org/abstracts/search?q=ICT" title=" ICT"> ICT</a>, <a href="https://publications.waset.org/abstracts/search?q=internet" title=" internet"> internet</a>, <a href="https://publications.waset.org/abstracts/search?q=education%20communication" title=" education communication"> education communication</a>, <a href="https://publications.waset.org/abstracts/search?q=media" title=" media"> media</a>, <a href="https://publications.waset.org/abstracts/search?q=news" title=" news"> news</a>, <a href="https://publications.waset.org/abstracts/search?q=new%20media%20technologies" title=" new media technologies"> new media technologies</a>, <a href="https://publications.waset.org/abstracts/search?q=social%20interactions" title=" social interactions"> social interactions</a>, <a href="https://publications.waset.org/abstracts/search?q=traditional%20media" title=" traditional media"> traditional media</a> </p> <a href="https://publications.waset.org/abstracts/189210/the-effect-of-artificial-intelligence-on-media-production" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/189210.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">33</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">45</span> Numerical Study of the Influence of the Primary Stream Pressure on the Performance of the Ejector Refrigeration System Based on Heat Exchanger Modeling</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elhameh%20Narimani">Elhameh Narimani</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20Sorin"> Mikhail Sorin</a>, <a href="https://publications.waset.org/abstracts/search?q=Philippe%20Micheau"> Philippe Micheau</a>, <a href="https://publications.waset.org/abstracts/search?q=Hakim%20Nesreddine"> Hakim Nesreddine</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Numerical models of the heat exchangers in ejector refrigeration system (ERS) were developed and validated with the experimental data. The models were based on the switched heat exchangers model using the moving boundary method, which were capable of estimating the zones’ lengths, the outlet temperatures of both sides and the heat loads at various experimental points. The developed models were utilized to investigate the influence of the primary flow pressure on the performance of an R245fa ERS based on its coefficient of performance (COP) and exergy efficiency. It was illustrated numerically and proved experimentally that increasing the primary flow pressure slightly reduces the COP while the exergy efficiency goes through a maximum before decreasing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Coefficient%20of%20Performance" title="Coefficient of Performance">Coefficient of Performance</a>, <a href="https://publications.waset.org/abstracts/search?q=COP" title=" COP"> COP</a>, <a href="https://publications.waset.org/abstracts/search?q=Ejector%20Refrigeration%20System" title=" Ejector Refrigeration System"> Ejector Refrigeration System</a>, <a href="https://publications.waset.org/abstracts/search?q=ERS" title=" ERS"> ERS</a>, <a href="https://publications.waset.org/abstracts/search?q=exergy%20efficiency%20%28%CE%B7II%29" title=" exergy efficiency (ηII)"> exergy efficiency (ηII)</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20exchangers%20modeling" title=" heat exchangers modeling"> heat exchangers modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=moving%20boundary%20method" title=" moving boundary method"> moving boundary method</a> </p> <a href="https://publications.waset.org/abstracts/97293/numerical-study-of-the-influence-of-the-primary-stream-pressure-on-the-performance-of-the-ejector-refrigeration-system-based-on-heat-exchanger-modeling" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/97293.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">201</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">44</span> Effect of the Binary and Ternary Exchanges on Crystallinity and Textural Properties of X Zeolites</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=H.%20Hammoudi">H. Hammoudi</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Bendenia"> S. Bendenia</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Marouf-Khelifa"> K. Marouf-Khelifa</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Marouf"> R. Marouf</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Schott"> J. Schott</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Khelifa"> A. Khelifa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The ionic exchange of the NaX zeolite by Cu2+ and/or Zn2+ cations is progressively driven while following the development of some of its characteristic: crystallinity by XR diffraction, profile of isotherms, RI criterion, isosteric adsorption heat and microporous volume using both the Dubinin–Radushkevich (DR) equation and the t-plot through the Lippens–de Boer method which also makes it possible to determine the external surface area. Results show that the cationic exchange process, in the case of Cu2+ introduced at higher degree, is accompanied by crystalline degradation for Cu(x)X, in contrast to Zn2+-exchanged zeolite X. This degradation occurs without significant presence of mesopores, because the RI criterion values were found to be much lower than 2.2. A comparison between the binary and ternary exchanges shows that the curves of CuZn(x)X are clearly below those of Zn(x)X and Cu(x)X, whatever the examined parameter. On the other hand, the curves relating to CuZn(x)X tend towards those of Cu(x)X. This would again confirm the sensitivity of the crystalline structure of CuZn(x)X with respect to the introduction of Cu2+ cations. An original result is the distortion of the zeolitic framework of X zeolites at middle exchange degree, when Cu2+ competes with another divalent cation, such as Zn2+, for the occupancy of sites distributed within zeolitic cavities. In other words, the ternary exchange accentuates the crystalline degradation of X zeolites. An unexpected result also is the no correlation between crystal damage and the external surface area. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adsorption" title="adsorption">adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=crystallinity" title=" crystallinity"> crystallinity</a>, <a href="https://publications.waset.org/abstracts/search?q=ion%20exchange" title=" ion exchange"> ion exchange</a>, <a href="https://publications.waset.org/abstracts/search?q=zeolite" title=" zeolite"> zeolite</a> </p> <a href="https://publications.waset.org/abstracts/43775/effect-of-the-binary-and-ternary-exchanges-on-crystallinity-and-textural-properties-of-x-zeolites" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43775.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">258</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">43</span> Assessment of Modern RANS Models for the C3X Vane Film Cooling Prediction</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20Gritskevich">Mikhail Gritskevich</a>, <a href="https://publications.waset.org/abstracts/search?q=Sebastian%20Hohenstein"> Sebastian Hohenstein</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper presents the results of a detailed assessment of several modern Reynolds Averaged Navier-Stokes (RANS) turbulence models for prediction of C3X vane film cooling at various injection regimes. Three models are considered, namely the Shear Stress Transport (SST) model, the modification of the SST model accounting for the streamlines curvature (SST-CC), and the Explicit Algebraic Reynolds Stress Model (EARSM). It is shown that all the considered models face with a problem in prediction of the adiabatic effectiveness in the vicinity of the cooling holes; however, accounting for the Reynolds stress anisotropy within the EARSM model noticeably increases the solution accuracy. On the other hand, further downstream all the models provide a reasonable agreement with the experimental data for the adiabatic effectiveness and among the considered models the most accurate results are obtained with the use EARMS. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=discrete%20holes%20film%20cooling" title="discrete holes film cooling">discrete holes film cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=Reynolds%20Averaged%20Navier-Stokes%20%28RANS%29" title=" Reynolds Averaged Navier-Stokes (RANS)"> Reynolds Averaged Navier-Stokes (RANS)</a>, <a href="https://publications.waset.org/abstracts/search?q=Reynolds%20stress%20tensor%20anisotropy" title=" Reynolds stress tensor anisotropy"> Reynolds stress tensor anisotropy</a>, <a href="https://publications.waset.org/abstracts/search?q=turbulent%20heat%20transfer" title=" turbulent heat transfer"> turbulent heat transfer</a> </p> <a href="https://publications.waset.org/abstracts/60051/assessment-of-modern-rans-models-for-the-c3x-vane-film-cooling-prediction" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60051.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">420</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=Mikhail%20Dubinin&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Mikhail%20Dubinin&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Mikhail%20Dubinin&page=2" 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