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resonance</title> <meta name="description" content="Search results for: sub-harmonic resonance"> <meta name="keywords" content="sub-harmonic resonance"> <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 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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="sub-harmonic resonance"> <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> 708</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: sub-harmonic resonance</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">708</span> Nonlinear Optical Properties for Three Level Atoms at Resonance and Off-Resonance with Laser Coupled Beams</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Suad%20M.%20Abuzariba">Suad M. Abuzariba</a>, <a href="https://publications.waset.org/abstracts/search?q=Eman%20O.%20Mafaa"> Eman O. Mafaa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> For three level atom interacts with a laser beam, the effect of changing resonance and off-resonance frequencies has been studied. Furthermore, a clear distortion has been seen in both the real and imaginary parts of the electric susceptibility with increasing the frequency of the coupled laser beams so that reaching the off-resonance interaction. With increasing the Rabi frequency of the laser pulse that in resonance with the lower transition the distortion will produce a new peak in the electric susceptibility parts, in both the real and imaginary ones. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electric%20susceptibility" title="electric susceptibility">electric susceptibility</a>, <a href="https://publications.waset.org/abstracts/search?q=resonance%20frequency%20off-resonance%20frequency" title=" resonance frequency off-resonance frequency"> resonance frequency off-resonance frequency</a>, <a href="https://publications.waset.org/abstracts/search?q=three%20level%20atom" title=" three level atom"> three level atom</a>, <a href="https://publications.waset.org/abstracts/search?q=laser" title=" laser"> laser</a> </p> <a href="https://publications.waset.org/abstracts/64970/nonlinear-optical-properties-for-three-level-atoms-at-resonance-and-off-resonance-with-laser-coupled-beams" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64970.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> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">707</span> Artificial Intelligence Based Analysis of Magnetic Resonance Signals for the Diagnosis of Tissue Abnormalities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kapila%20Warnakulasuriya">Kapila Warnakulasuriya</a>, <a href="https://publications.waset.org/abstracts/search?q=Walimuni%20Janaka%20Mendis"> Walimuni Janaka Mendis</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, an artificial intelligence-based approach is developed to diagnose abnormal tissues in human or animal bodies by analyzing magnetic resonance signals. As opposed to the conventional method of generating an image from the magnetic resonance signals, which are then evaluated by a radiologist for the diagnosis of abnormalities, in the discussed approach, the magnetic resonance signals are analyzed by an artificial intelligence algorithm without having to generate or analyze an image. The AI-based program compares magnetic resonance signals with millions of possible magnetic resonance waveforms which can be generated from various types of normal tissues. Waveforms generated by abnormal tissues are then identified, and images of the abnormal tissues are generated with the possible location of them in the body for further diagnostic tests. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=magnetic%20resonance" title="magnetic resonance">magnetic resonance</a>, <a href="https://publications.waset.org/abstracts/search?q=artificial%20intelligence" title=" artificial intelligence"> artificial intelligence</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20waveform%20analysis" title=" magnetic waveform analysis"> magnetic waveform analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=abnormal%20tissues" title=" abnormal tissues"> abnormal tissues</a> </p> <a href="https://publications.waset.org/abstracts/164140/artificial-intelligence-based-analysis-of-magnetic-resonance-signals-for-the-diagnosis-of-tissue-abnormalities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/164140.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">91</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">706</span> Third Super-Harmonic Resonance in Vortex-Induced Vibration of a Pipeline Close to the Seabed</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yiming%20Jin">Yiming Jin</a>, <a href="https://publications.waset.org/abstracts/search?q=Ping%20Dong"> Ping Dong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The third super-harmonic resonance of a pipeline close to the seabed is investigated in this paper. To analyse the vortex-induced vibration (VIV) of the pipeline close to the seabed, the classic Van der Pol equation is extended with a nonlinear item. Then, on the base of the multi-scale method, the frequency-response curves of the pipeline with regard to the third super-harmonic resonance are studied with a series of parameters, such as the mass ratio, frequency, damp ratio and gap ratio. On the whole, the numerical results show that the characters of third super-harmonic resonance are quite from that of primary resonance, though with the same trend that the larger is the mass ratio, the smaller impact the gap ratio has on the frequency-response curves of the third super-harmonic resonance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=the%20third%20super-harmonic%20resonance" title="the third super-harmonic resonance">the third super-harmonic resonance</a>, <a href="https://publications.waset.org/abstracts/search?q=gap%20ratio" title=" gap ratio"> gap ratio</a>, <a href="https://publications.waset.org/abstracts/search?q=vortex-induced%20vibration" title=" vortex-induced vibration"> vortex-induced vibration</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-scale%20method" title=" multi-scale method"> multi-scale method</a> </p> <a href="https://publications.waset.org/abstracts/42056/third-super-harmonic-resonance-in-vortex-induced-vibration-of-a-pipeline-close-to-the-seabed" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42056.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">431</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">705</span> Primary Resonance in Vortex-Induced Vibration of a Pipeline Close to a Plane Boundary</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yiming%20Jin">Yiming Jin</a>, <a href="https://publications.waset.org/abstracts/search?q=Ping%20Dong"> Ping Dong</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The primary resonance of a pipeline close to a plane boundary is investigated in this paper. Based on classic Van der Pol equation and added a nonlinear item, a new wake oscillator model is proposed to predict the vortex-induced vibration (VIV) of a circular cylinder close to a plane boundary. Then, with the multi-scale method, the approximate solution for the case of the primary resonance is obtained. Besides, to study the characteristic of the primary resonance, the effects of the mass ration, frequency, damp ratio and gap ratio on the frequency-response curves of the pipeline are analysed. On the whole, the trend of the numerical results match up with that of the experimental data well and the mass ration, frequency, damp ratio and gap ratio play an important role in the vortex-induced vibration (VIV) of a circular cylinder close to a plane boundary, especially, the smaller is the mass ratio, the larger impact the gap ratio has on the frequency-response curves of the primary resonance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=primary%20resonance" title="primary resonance">primary resonance</a>, <a href="https://publications.waset.org/abstracts/search?q=gap%20ratio" title=" gap ratio"> gap ratio</a>, <a href="https://publications.waset.org/abstracts/search?q=vortex-induced%20vibration" title=" vortex-induced vibration"> vortex-induced vibration</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-scale%20method" title=" multi-scale method"> multi-scale method</a> </p> <a href="https://publications.waset.org/abstracts/42055/primary-resonance-in-vortex-induced-vibration-of-a-pipeline-close-to-a-plane-boundary" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42055.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">372</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">704</span> Nonhomogeneous Linear Second Order Differential Equations and Resonance through Geogebra Program</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=F.%20Maass">F. Maass</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Martin"> P. Martin</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Olivares"> J. Olivares</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this work is the application of the program GeoGebra in teaching the study of nonhomogeneous linear second order differential equations with constant coefficients. Different kind of functions or forces will be considered in the right hand side of the differential equations, in particular, the emphasis will be placed in the case of trigonometrical functions producing the resonance phenomena. In order to obtain this, the frequencies of the trigonometrical functions will be changed. Once the resonances appear, these have to be correlationated with the roots of the second order algebraic equation determined by the coefficients of the differential equation. In this way, the physics and engineering students will understand resonance effects and its consequences in the simplest way. A large variety of examples will be shown, using different kind of functions for the nonhomogeneous part of the differential equations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=education" title="education">education</a>, <a href="https://publications.waset.org/abstracts/search?q=geogebra" title=" geogebra"> geogebra</a>, <a href="https://publications.waset.org/abstracts/search?q=ordinary%20differential%20equations" title=" ordinary differential equations"> ordinary differential equations</a>, <a href="https://publications.waset.org/abstracts/search?q=resonance" title=" resonance"> resonance</a> </p> <a href="https://publications.waset.org/abstracts/90040/nonhomogeneous-linear-second-order-differential-equations-and-resonance-through-geogebra-program" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/90040.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">245</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">703</span> Investigation of Fire Damaged Concrete Using Nonlinear Resonance Vibration Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kang-Gyu%20Park">Kang-Gyu Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Sun-Jong%20Park"> Sun-Jong Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Hong%20Jae%20Yim"> Hong Jae Yim</a>, <a href="https://publications.waset.org/abstracts/search?q=Hyo-Gyung%20Kwak"> Hyo-Gyung Kwak</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper attempts to evaluate the effect of fire damage on concrete by using nonlinear resonance vibration method, one of the nonlinear nondestructive method. Concrete exhibits not only nonlinear stress-strain relation but also hysteresis and discrete memory effect which are contained in consolidated materials. Hysteretic materials typically show the linear resonance frequency shift. Also, the shift of resonance frequency is changed according to the degree of micro damage. The degree of the shift can be obtained through nonlinear resonance vibration method. Five exposure scenarios were considered in order to make different internal micro damage. Also, the effect of post-fire-curing on fire-damaged concrete was taken into account to conform the change in internal damage. Hysteretic non linearity parameter was obtained by amplitude-dependent resonance frequency shift after specific curing periods. In addition, splitting tensile strength was measured on each sample to characterize the variation of residual strength. Then, a correlation between the hysteretic non linearity parameter and residual strength was proposed from each test result. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nonlinear%20resonance%20vibration%20method" title="nonlinear resonance vibration method">nonlinear resonance vibration method</a>, <a href="https://publications.waset.org/abstracts/search?q=non%20linearity%20parameter" title=" non linearity parameter"> non linearity parameter</a>, <a href="https://publications.waset.org/abstracts/search?q=splitting%20tensile%20strength" title=" splitting tensile strength"> splitting tensile strength</a>, <a href="https://publications.waset.org/abstracts/search?q=micro%20damage" title=" micro damage"> micro damage</a>, <a href="https://publications.waset.org/abstracts/search?q=post-fire-curing" title=" post-fire-curing"> post-fire-curing</a>, <a href="https://publications.waset.org/abstracts/search?q=fire%20damaged%20concrete" title=" fire damaged concrete"> fire damaged concrete</a> </p> <a href="https://publications.waset.org/abstracts/17425/investigation-of-fire-damaged-concrete-using-nonlinear-resonance-vibration-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17425.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">269</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">702</span> Toward Subtle Change Detection and Quantification in Magnetic Resonance Neuroimaging</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Esmaeilpour">Mohammad Esmaeilpour</a> </p> <p class="card-text"><strong>Abstract:</strong></p> One of the important open problems in the field of medical image processing is detection and quantification of small changes. In this poster, we try to investigate that, how the algebraic decomposition techniques can be used for semiautomatically detecting and quantifying subtle changes in Magnetic Resonance (MR) neuroimaging volumes. We mostly focus on the low-rank values of the matrices achieved from decomposing MR image pairs during a period of time. Besides, a skillful neuroradiologist will help the algorithm to distinguish between noises and small changes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=magnetic%20resonance%20neuroimaging" title="magnetic resonance neuroimaging">magnetic resonance neuroimaging</a>, <a href="https://publications.waset.org/abstracts/search?q=subtle%20change%20detection%20and%20quantification" title=" subtle change detection and quantification"> subtle change detection and quantification</a>, <a href="https://publications.waset.org/abstracts/search?q=algebraic%20decomposition" title=" algebraic decomposition"> algebraic decomposition</a>, <a href="https://publications.waset.org/abstracts/search?q=basis%20functions" title=" basis functions"> basis functions</a> </p> <a href="https://publications.waset.org/abstracts/32372/toward-subtle-change-detection-and-quantification-in-magnetic-resonance-neuroimaging" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32372.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">701</span> A Terahertz Sensor and Dynamic Switch Based on a Bilayer Toroidal Metamaterial</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Angana%20Bhattacharya">Angana Bhattacharya</a>, <a href="https://publications.waset.org/abstracts/search?q=Rakesh%20Sarkar"> Rakesh Sarkar</a>, <a href="https://publications.waset.org/abstracts/search?q=Gagan%20Kumar"> Gagan Kumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Toroidal resonances, a new class of electromagnetic excitations, demonstrate exceptional properties as compared to electric and magnetic dipolar resonances. The advantage of narrow linewidth in toroidal resonance is utilized in this proposed work, where a bilayer metamaterial (MM) sensor has been designed in the terahertz frequency regime (THz). A toroidal MM geometry in a single layer is first studied. A second identical MM geometry placed on top of the first layer results in the coupling of toroidal excitations, leading to an increase in the quality factor (Q) of the resonance. The sensing capability of the resonance is studied. Further, the dynamic switching from an 'off' stage to an 'on' stage in the bilayer configuration is explored. The ardent study of such toroidal bilayer MMs could provide significant potential in the development of bio-molecular and chemical sensors, switches, and modulators. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=toroidal%20resonance" title="toroidal resonance">toroidal resonance</a>, <a href="https://publications.waset.org/abstracts/search?q=bilayer" title=" bilayer"> bilayer</a>, <a href="https://publications.waset.org/abstracts/search?q=metamaterial" title=" metamaterial"> metamaterial</a>, <a href="https://publications.waset.org/abstracts/search?q=terahertz" title=" terahertz"> terahertz</a>, <a href="https://publications.waset.org/abstracts/search?q=sensing" title=" sensing"> sensing</a>, <a href="https://publications.waset.org/abstracts/search?q=switching" title=" switching"> switching</a> </p> <a href="https://publications.waset.org/abstracts/142036/a-terahertz-sensor-and-dynamic-switch-based-on-a-bilayer-toroidal-metamaterial" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142036.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">149</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">700</span> Investigation of Magnetic Resonance Wireless Charger Efficiency for Mobile Device</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=SeungHee%20Ryu">SeungHee Ryu</a>, <a href="https://publications.waset.org/abstracts/search?q=Junil%20Moon"> Junil Moon</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The magnetic resonance wireless power transfer system is widely researched due to its benefits such as spatial freedom. In this paper, power transmitting unit and power receiving unit of wireless battery charger for mobile devices is presented. Power transmitting unit efficiency is measured under different test conditions with power receiving units. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=magnetic%20resonance%20coupling" title="magnetic resonance coupling">magnetic resonance coupling</a>, <a href="https://publications.waset.org/abstracts/search?q=wireless%20power%20transfer" title=" wireless power transfer"> wireless power transfer</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20transfer%20efficiency." title=" power transfer efficiency."> power transfer efficiency.</a> </p> <a href="https://publications.waset.org/abstracts/32012/investigation-of-magnetic-resonance-wireless-charger-efficiency-for-mobile-device" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32012.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">511</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">699</span> The Value of Dynamic Magnetic Resonance Defecography in Assessing the Severity of Defecation Disorders</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ge%20Sun">Ge Sun</a>, <a href="https://publications.waset.org/abstracts/search?q=Monika%20Trzpis"> Monika Trzpis</a>, <a href="https://publications.waset.org/abstracts/search?q=Robbert%20J.%20de%20Haas"> Robbert J. de Haas</a>, <a href="https://publications.waset.org/abstracts/search?q=Paul%20M.%20A.%20Broens"> Paul M. A. Broens</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Dynamic magnetic resonance defecography is frequently used to assess defecation disorders. We aimed to investigate the usefulness of dynamic magnetic resonance defecography for assessing the severity of defecation disorder. Methods: We included patients retrospectively from our tertiary referral hospital who had undergone dynamic magnetic resonance defecography, anorectal manometry, and anal electrical sensitivity tests to assess defecation disorders between 2014 and 2020. The primary outcome was the association between the dynamic magnetic resonance defecography variables and the severity of defecation disorders. We assessed the severity of fecal incontinence and constipation with the Wexner incontinence and Agachan constipation scores. Results: Out of the 32 patients included, 24 completed the defecation questionnaire. During defecation, the M line length at magnetic resonance correlated with the Agachan score (r = 0.45, p = 0.03) and was associated with anal sphincter pressure (r=0.39, p=0.03) just before defecation. During rest and squeezing, the H line length at imaging correlated with the Wexner incontinence score (r=0.49, p=0.01 and r=0.69, p< 0.001, respectively). H line length also correlated positively with the anal electrical sensation threshold during squeezing (r=0.50, p=0.004) and during rest (r= 0.42, p=0.02). Conclusions: The M and H line lengths at dynamic magnetic resonance defecography can be used to assess the severity of constipation and fecal incontinence respectively and reflect anatomic changes of the pelvic floor. However, as these anatomic changes are generally late-stage and irreversible, anal manometry seems a better diagnostic approach to assess early and potentially reversible changes in patients with defecation disorders. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=defecation%20disorders" title="defecation disorders">defecation disorders</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic%20magnetic%20resonance%20defecography" title=" dynamic magnetic resonance defecography"> dynamic magnetic resonance defecography</a>, <a href="https://publications.waset.org/abstracts/search?q=anorectal%20manometry" title=" anorectal manometry"> anorectal manometry</a>, <a href="https://publications.waset.org/abstracts/search?q=anal%20electrical%20sensitivity%20tests" title=" anal electrical sensitivity tests"> anal electrical sensitivity tests</a>, <a href="https://publications.waset.org/abstracts/search?q=H%20line" title=" H line"> H line</a>, <a href="https://publications.waset.org/abstracts/search?q=M%20%20line" title=" M line"> M line</a> </p> <a href="https://publications.waset.org/abstracts/158300/the-value-of-dynamic-magnetic-resonance-defecography-in-assessing-the-severity-of-defecation-disorders" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/158300.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">106</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">698</span> Numerical Analysis of Supersonic Impinging Jets onto Resonance Tube</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shinji%20Sato">Shinji Sato</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20M.%20A.%20Alam"> M. M. A. Alam</a>, <a href="https://publications.waset.org/abstracts/search?q=Manabu%20Takao"> Manabu Takao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In recent, investigation of an unsteady flow inside the resonance tube have become a strongly motivated research field for their potential application as high-frequency actuators. By generating a shock wave inside the resonance tube, a high temperature and pressure can be achieved inside the tube, and this high temperature can also be used to ignite a jet engine. In the present research, a computational fluid dynamics (CFD) analysis was carried out to investigate the flow inside the resonance tube. The density-based solver of rhoCentralFoam in OpenFOAM was used to numerically simulate the flow. The supersonic jet that was driven by a cylindrical nozzle with a nominal exit diameter of φd = 20.3 mm impinged onto the resonance tube. The jet pressure ratio was varied between 2.6 and 7.8. The gap s between the nozzle exit and tube entrance was changed between 1.5d and 3.0d. The diameter and length of the tube were taken as D = 1.25d and L=3.0D, respectively. As a result, when a supersonic jet has impinged onto the resonance tube, a compression wave was found generating inside the tube and propagating towards the tube end wall. This wave train resulted in a rise in the end wall gas temperature and pressure. While, in an outflow phase, the gas near tube enwall was found cooling back isentropically to its initial temperature. Thus, the compression waves repeated a reciprocating motion in the tube like a piston, and a fluctuation in the end wall pressures and temperatures were observed. A significant change was found in the end wall pressures and temperatures with a change of jet flow conditions. In this study, the highest temperature was confirmed at a jet pressure ratio of 4.2 and a gap of s=2.0d <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=compressible%20flow" title="compressible flow">compressible flow</a>, <a href="https://publications.waset.org/abstracts/search?q=OpenFOAM" title=" OpenFOAM"> OpenFOAM</a>, <a href="https://publications.waset.org/abstracts/search?q=oscillations" title=" oscillations"> oscillations</a>, <a href="https://publications.waset.org/abstracts/search?q=a%20resonance%20tube" title=" a resonance tube"> a resonance tube</a>, <a href="https://publications.waset.org/abstracts/search?q=shockwave" title=" shockwave"> shockwave</a> </p> <a href="https://publications.waset.org/abstracts/98109/numerical-analysis-of-supersonic-impinging-jets-onto-resonance-tube" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/98109.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">149</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">697</span> Study of the Electromagnetic Resonances of a Cavity with an Aperture Using Numerical Method and Equivalent Circuit Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ming-Chu%20Yin">Ming-Chu Yin</a>, <a href="https://publications.waset.org/abstracts/search?q=Ping-An%20Du"> Ping-An Du</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The shielding ability of a shielding cavity is affected greatly by its resonances, which include resonance modes and frequencies. The equivalent circuit method and numerical method of transmission line matrix (TLM) are used to analyze the effect of aperture-cavity coupling on electromagnetic resonances of a cavity with an aperture in this paper. Both theoretical and numerical results show that the resonance modes of a shielding cavity with an aperture can be considered as the combination of cavity and aperture inherent resonance modes with resonance frequencies shifting, and the reason of this shift is aperture-cavity coupling. Because aperture sizes are important parameters to aperture-cavity coupling, variation rules of electromagnetic resonances of a shielding cavity with its aperture sizes are given, which will be useful for the design of shielding cavities. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aperture-cavity%20coupling" title="aperture-cavity coupling">aperture-cavity coupling</a>, <a href="https://publications.waset.org/abstracts/search?q=equivalent%20circuit%20method" title=" equivalent circuit method"> equivalent circuit method</a>, <a href="https://publications.waset.org/abstracts/search?q=resonances" title=" resonances"> resonances</a>, <a href="https://publications.waset.org/abstracts/search?q=shielding%20equipment" title=" shielding equipment"> shielding equipment</a> </p> <a href="https://publications.waset.org/abstracts/34273/study-of-the-electromagnetic-resonances-of-a-cavity-with-an-aperture-using-numerical-method-and-equivalent-circuit-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34273.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">444</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">696</span> Electron Spin Resonance of Conduction and Spin Waves Dynamics Investigations in Bi-2223 Superconductor for Decoding Pairing Mechanism</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20N.%20Ekbote">S. N. Ekbote</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20K.%20Padam"> G. K. Padam</a>, <a href="https://publications.waset.org/abstracts/search?q=Manju%20Arora"> Manju Arora</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Electron spin resonance (ESR) spectroscopic investigations of (Bi, Pb)₂Sr₂Ca₂Cu₃O₁₀₋ₓ (Bi-2223) bulk samples were carried out in both the normal and superconducting states. A broad asymmetric resonance signal with side signals is obtained in the normal state, and all of them disappear in the superconducting state. The temperature and angular orientation effects on these signals suggest that the broad asymmetric signal arises from electron spin resonance of conduction electrons (CESR) and the side signals from exchange interactions as Platzman-Wolff type spin waves. The disappearance of CESR and spin waves in a superconducting state demonstrates the role of exchange interactions in Cooper pair formation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bi-2223%20superconductor" title="Bi-2223 superconductor">Bi-2223 superconductor</a>, <a href="https://publications.waset.org/abstracts/search?q=CESR" title=" CESR"> CESR</a>, <a href="https://publications.waset.org/abstracts/search?q=ESR" title=" ESR"> ESR</a>, <a href="https://publications.waset.org/abstracts/search?q=exchange%20interactions" title=" exchange interactions"> exchange interactions</a>, <a href="https://publications.waset.org/abstracts/search?q=spin%20waves" title=" spin waves"> spin waves</a> </p> <a href="https://publications.waset.org/abstracts/157103/electron-spin-resonance-of-conduction-and-spin-waves-dynamics-investigations-in-bi-2223-superconductor-for-decoding-pairing-mechanism" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157103.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">131</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">695</span> Second Sub-Harmonic Resonance in Vortex-Induced Vibrations of a Marine Pipeline Close to the Seabed</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yiming%20Jin">Yiming Jin</a>, <a href="https://publications.waset.org/abstracts/search?q=Yuanhao%20Gao"> Yuanhao Gao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, using the method of multiple scales, the second sub-harmonic resonance in vortex-induced vibrations (VIV) of a marine pipeline close to the seabed is investigated based on a developed wake oscillator model. The amplitude-frequency equations are also derived. It is found that the oscillation will increase all the time when both discriminants of the amplitude-frequency equations are positive while the oscillation will decay when the discriminants are negative. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=vortex-induced%20vibrations" title="vortex-induced vibrations">vortex-induced vibrations</a>, <a href="https://publications.waset.org/abstracts/search?q=marine%20pipeline" title=" marine pipeline"> marine pipeline</a>, <a href="https://publications.waset.org/abstracts/search?q=seabed" title=" seabed"> seabed</a>, <a href="https://publications.waset.org/abstracts/search?q=sub-harmonic%20resonance" title=" sub-harmonic resonance"> sub-harmonic resonance</a> </p> <a href="https://publications.waset.org/abstracts/50829/second-sub-harmonic-resonance-in-vortex-induced-vibrations-of-a-marine-pipeline-close-to-the-seabed" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/50829.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">332</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">694</span> Linear and Nonlinear Resonance of Flat Bottom Hole in an Aluminum Plate</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Biaou%20Jean-Baptiste%20Kouchoro">Biaou Jean-Baptiste Kouchoro</a>, <a href="https://publications.waset.org/abstracts/search?q=Anissa%20Meziane"> Anissa Meziane</a>, <a href="https://publications.waset.org/abstracts/search?q=Philippe%20Micheau"> Philippe Micheau</a>, <a href="https://publications.waset.org/abstracts/search?q=Mathieu%20Renier"> Mathieu Renier</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicolas%20Quaegebeur"> Nicolas Quaegebeur</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Numerous experimental and numerical studies have shown the interest of the local defects resonance (LDR) for the Non-Destructive Testing of metallic and composite plates. Indeed, guided ultrasonic waves such as Lamb waves, which are increasingly used for the inspection of these flat structures, enable the generation of local resonance phenomena by their interaction with a damaged area, allowing the detection of defects. When subjected to a large amplitude motion, a nonlinear behavior can predominate in the damaged area. This work presents a 2D Finite Element Model of the local resonance of a 12 mm long and 5 mm deep Flat Bottom Hole (FBH) in a 6 mm thick aluminum plate under the excitation induced by an incident A0 Lamb mode. The analysis of the transient response of the FBH enables the precise determination of its resonance frequencies and the associate modal deformations. Then, a linear parametric study varying the geometrical properties of the FBH highlights the sensitivity of the resonance frequency with respect to the plate thickness. It is demonstrated that the resonance effect disappears when the ratio of thicknesses between the FBH and the plate is below 0.1. Finally, the nonlinear behavior of the FBH is considered and studied introducing geometrical (taken into account the nonlinear component of the strain tensor) nonlinearities that occur at large vibration amplitudes. Experimental analysis allows observation of the resonance effects and nonlinear response of the FBH. The differences between these experimental results and the numerical results will be commented on. The results of this study are promising and allow to consider more realistic defects such as delamination in composite materials. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=guided%20waves" title="guided waves">guided waves</a>, <a href="https://publications.waset.org/abstracts/search?q=non-destructive%20testing" title=" non-destructive testing"> non-destructive testing</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic%20field%20testing" title=" dynamic field testing"> dynamic field testing</a>, <a href="https://publications.waset.org/abstracts/search?q=non-linear%20ultrasound%2Fvibration" title=" non-linear ultrasound/vibration"> non-linear ultrasound/vibration</a> </p> <a href="https://publications.waset.org/abstracts/146110/linear-and-nonlinear-resonance-of-flat-bottom-hole-in-an-aluminum-plate" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/146110.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">134</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">693</span> Use of Opti-Jet Cs Md1mr Device for Biocide Aerosolisation in 3t Magnetic Resonance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Robert%20Pintaric">Robert Pintaric</a>, <a href="https://publications.waset.org/abstracts/search?q=Joze%20Matela"> Joze Matela</a>, <a href="https://publications.waset.org/abstracts/search?q=Stefan%20Pintaric"> Stefan Pintaric</a>, <a href="https://publications.waset.org/abstracts/search?q=Stanka%20Vadnjal"> Stanka Vadnjal</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: This work is aimed to represent the use of the OPTI-JET CS MD1 MR prototype for application of neutral electrolyzed oxidizing water (NEOW) in magnetic resonance rooms. Material and Methods: We produced and used OPTI-JET CS MD1 MR aerosolisator whereby was performed aerosolization. The presence of microorganisms before and after the aerosolisation was recorded with the help of cyclone air sampling. Colony formed units (CFU) was counted. Results: The number of microorganisms in magnetic resonance 3T room was low as expected. Nevertheless, a possible CFU reduction of 87% was recorded. Conclusions: The research has shown that the use of EOW for the air and hard surface disinfection can considerably reduce the presence of microorganisms and consequently the possibility of hospital infections. It has also demonstrated that the use of OPTI-JET CS MD1 MR is very good. With this research, we started new guidelines for aerosolization in magnetic resonance rooms. Future work: We predict that presented technique works very good but we must focus also on time capacity sensors, and new appropriate toxicological studies. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biocide" title="biocide">biocide</a>, <a href="https://publications.waset.org/abstracts/search?q=electrolyzed%20oxidizing%20water%20%28EOW%29" title=" electrolyzed oxidizing water (EOW)"> electrolyzed oxidizing water (EOW)</a>, <a href="https://publications.waset.org/abstracts/search?q=disinfection" title=" disinfection"> disinfection</a>, <a href="https://publications.waset.org/abstracts/search?q=microorganisms" title=" microorganisms"> microorganisms</a>, <a href="https://publications.waset.org/abstracts/search?q=OPTI-JET%20CS%20MD1MR" title=" OPTI-JET CS MD1MR"> OPTI-JET CS MD1MR</a> </p> <a href="https://publications.waset.org/abstracts/35512/use-of-opti-jet-cs-md1mr-device-for-biocide-aerosolisation-in-3t-magnetic-resonance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35512.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">391</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">692</span> Impact of Harmonic Resonance and V-THD in Sohar Industrial Port–C Substation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20S.%20Al%20Abri">R. S. Al Abri</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20H.%20Albadi"> M. H. Albadi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20H.%20Al%20Abri"> M. H. Al Abri</a>, <a href="https://publications.waset.org/abstracts/search?q=U.%20K.%20Al%20Rasbi"> U. K. Al Rasbi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20H.%20Al%20Hasni"> M. H. Al Hasni</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20M.%20Al%20Shidi"> S. M. Al Shidi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents an analysis study on the impacts of the changes of the capacitor banks, the loss of a transformer, and the installation of distributed generation on the voltage total harmonic distortion and harmonic resonance. The study is applied in a real system in Oman, Sohar Industrial Port–C Substation Network. Frequency scan method and Fourier series analysis method are used with the help of EDSA software. Moreover, the results are compared with limits specified by national Oman distribution code. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=power%20quality" title="power quality">power quality</a>, <a href="https://publications.waset.org/abstracts/search?q=capacitor%20bank" title=" capacitor bank"> capacitor bank</a>, <a href="https://publications.waset.org/abstracts/search?q=voltage%20total%20harmonics%20distortion" title=" voltage total harmonics distortion"> voltage total harmonics distortion</a>, <a href="https://publications.waset.org/abstracts/search?q=harmonic%20resonance" title=" harmonic resonance"> harmonic resonance</a>, <a href="https://publications.waset.org/abstracts/search?q=frequency%20scan" title=" frequency scan"> frequency scan</a> </p> <a href="https://publications.waset.org/abstracts/35249/impact-of-harmonic-resonance-and-v-thd-in-sohar-industrial-port-c-substation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35249.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">617</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">691</span> Efficiency Enhancement of Blue OLED by Incorporating Ag Nanoplate Layers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=So-Jeong%20Kim">So-Jeong Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Nak-Kwan%20Chung"> Nak-Kwan Chung</a>, <a href="https://publications.waset.org/abstracts/search?q=Jintae%20Kim"> Jintae Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Juyoung%20Yun"> Juyoung Yun</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The metal nanoplates are potentially used for electroluminescence enhancement of OLEDs owing to the localized surface plasmon resonance. In our study, enhanced electroluminescence in blue organic light-emitting diodes is demonstrated by incorporating silver nanoplates into poly(3,4-ethylene dioxythiophene):polystyrene sulfonic acid. To have surface plasmon resonance absorption peak matching with photoluminescent (PL) peak of blue, Ag nanoplates with triangular shape are used in this study. Finally, about 30 % enhancement in electroluminescence intensity and current efficiency for blue emission devices is obtained via Ag nanoplates. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=efficiency%20enhancement" title="efficiency enhancement">efficiency enhancement</a>, <a href="https://publications.waset.org/abstracts/search?q=nanoplate" title=" nanoplate"> nanoplate</a>, <a href="https://publications.waset.org/abstracts/search?q=OLED" title=" OLED"> OLED</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20plasmon%20resonance" title=" surface plasmon resonance"> surface plasmon resonance</a> </p> <a href="https://publications.waset.org/abstracts/64669/efficiency-enhancement-of-blue-oled-by-incorporating-ag-nanoplate-layers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64669.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">342</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">690</span> Contrast Enhanced Magnetic Resonance Angiography in Rats with Gadobenate Dimeglumine at 3T</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jao%20Jo-Chi">Jao Jo-Chi</a>, <a href="https://publications.waset.org/abstracts/search?q=Chen%20Yen-Ku"> Chen Yen-Ku</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaw%20Twei-Shiun"> Jaw Twei-Shiun</a>, <a href="https://publications.waset.org/abstracts/search?q=Chen%20Po-Chou"> Chen Po-Chou </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study aimed to investigate the magnetic resonance (MR) signal enhancement ratio (ER) of contrast-enhanced MR angiography (CE-MRA) in normal rats with gadobenate dimeglumine (Gd-BOPTA) using a clinical 3T scanner and an extremity coil. The relaxivities of Gd-BOPTA with saline only and with 4.5 % human serum albumin (HSA) were also measured. Compared with Gadolinium diethylenetriamine pentaacetic acid (Gd-DTPA), Gd-BOPTA had higher relaxivities. The maximum ER of Aorta (ERa), kidney, liver and muscle with Gd-BOPTA were higher than those with Gd-DTPA. The maximum ERa appeared at 1.2 min and decayed to half at 10 min after Gd-BOPTA injection. This information is helpful for the design of CE-MRA study of rats. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=contrast-enhanced%20magnetic%20resonance%20angiography" title="contrast-enhanced magnetic resonance angiography">contrast-enhanced magnetic resonance angiography</a>, <a href="https://publications.waset.org/abstracts/search?q=Gd-BOPTA" title=" Gd-BOPTA"> Gd-BOPTA</a>, <a href="https://publications.waset.org/abstracts/search?q=Gd-DTPA" title=" Gd-DTPA"> Gd-DTPA</a>, <a href="https://publications.waset.org/abstracts/search?q=rat" title=" rat"> rat</a> </p> <a href="https://publications.waset.org/abstracts/27739/contrast-enhanced-magnetic-resonance-angiography-in-rats-with-gadobenate-dimeglumine-at-3t" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27739.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">628</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">689</span> Protein Crystallization Induced by Surface Plasmon Resonance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tetsuo%20Okutsu">Tetsuo Okutsu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We have developed a crystallization plate with the function of promoting protein crystallization. A gold thin film is deposited on the crystallization plate. A protein solution is dropped thereon, and crystallization is promoted when the protein is irradiated with light of a wavelength that protein does not absorb. Protein is densely adsorbed on the gold thin film surface. The light excites the surface plasmon resonance of the gold thin film, the protein is excited by the generated enhanced electric field induced by surface plasmon resonance, and the amino acid residues are radicalized to produce protein dimers. The dimers function as templates for protein crystals, crystallization is promoted. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=lysozyme" title="lysozyme">lysozyme</a>, <a href="https://publications.waset.org/abstracts/search?q=plasmon" title=" plasmon"> plasmon</a>, <a href="https://publications.waset.org/abstracts/search?q=protein" title=" protein"> protein</a>, <a href="https://publications.waset.org/abstracts/search?q=crystallization" title=" crystallization"> crystallization</a>, <a href="https://publications.waset.org/abstracts/search?q=RNaseA" title=" RNaseA"> RNaseA</a> </p> <a href="https://publications.waset.org/abstracts/85433/protein-crystallization-induced-by-surface-plasmon-resonance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85433.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">218</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">688</span> Grating Assisted Surface Plasmon Resonance Sensor for Monitoring of Hazardous Toxic Chemicals and Gases in an Underground Mines</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sanjeev%20Kumar%20Raghuwanshi">Sanjeev Kumar Raghuwanshi</a>, <a href="https://publications.waset.org/abstracts/search?q=Yadvendra%20%20Singh"> Yadvendra Singh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this paper is to develop and optimize the Fiber Bragg (FBG) grating based Surface Plasmon Resonance (SPR) sensor for monitoring the hazardous toxic chemicals and gases in underground mines or any industrial area. A fully cladded telecommunication standard FBG is proposed to develop to produce surface plasmon resonance. A thin few nm gold/silver film (subject to optimization) is proposed to apply over the FBG sensing head using e-beam deposition method. Sensitivity enhancement of the sensor will be done by adding a composite nanostructured Graphene Oxide (GO) sensing layer using the spin coating method. Both sensor configurations suppose to demonstrate high responsiveness towards the changes in resonance wavelength. The GO enhanced sensor may show increased sensitivity of many fold compared to the gold coated traditional fibre optic sensor. Our work is focused on to optimize GO, multilayer structure and to develop fibre coating techniques that will serve well for sensitive and multifunctional detection of hazardous chemicals. This research proposal shows great potential towards future development of optical fiber sensors using readily available components such as Bragg gratings as highly sensitive chemical sensors in areas such as environmental sensing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=surface%20plasmon%20resonance" title="surface plasmon resonance">surface plasmon resonance</a>, <a href="https://publications.waset.org/abstracts/search?q=fibre%20Bragg%20grating" title=" fibre Bragg grating"> fibre Bragg grating</a>, <a href="https://publications.waset.org/abstracts/search?q=sensitivity" title=" sensitivity"> sensitivity</a>, <a href="https://publications.waset.org/abstracts/search?q=toxic%20gases" title=" toxic gases"> toxic gases</a>, <a href="https://publications.waset.org/abstracts/search?q=MATRIX%20method" title=" MATRIX method"> MATRIX method</a> </p> <a href="https://publications.waset.org/abstracts/90374/grating-assisted-surface-plasmon-resonance-sensor-for-monitoring-of-hazardous-toxic-chemicals-and-gases-in-an-underground-mines" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/90374.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">267</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">687</span> Two-Photon Ionization of Silver Clusters</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=V.%20Paployan">V. Paployan</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Madoyan"> K. Madoyan</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Melikyan"> A. Melikyan</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Minassian"> H. Minassian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Resonant two-photon ionization (TPI) is a valuable technique for the study of clusters due to its ultrahigh sensitivity. The comparison of the observed TPI spectra with results of calculations allows to deduce important information on the shape, rotational and vibrational temperatures of the clusters with high accuracy. In this communication we calculate the TPI cross-section for pump-probe scheme in Ag neutral cluster. The pump photon energy is chosen to be close to the surface plasmon (SP) energy of cluster in dielectric media. Since the interband transition energy in Ag exceeds the SP resonance energy, the main contribution into the TPI comes from the latter. The calculations are performed by separating the coordinates of electrons corresponding to the collective oscillations and the individual motion that allows to take into account the resonance contribution of excited SP oscillations. It is shown that the ionization cross section increases by two orders of magnitude if the energy of the pump photon matches the surface plasmon energy in the cluster. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=resonance%20enhancement" title="resonance enhancement">resonance enhancement</a>, <a href="https://publications.waset.org/abstracts/search?q=silver%20clusters" title=" silver clusters"> silver clusters</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20plasmon" title=" surface plasmon"> surface plasmon</a>, <a href="https://publications.waset.org/abstracts/search?q=two-photon%20ionization" title=" two-photon ionization"> two-photon ionization</a> </p> <a href="https://publications.waset.org/abstracts/27311/two-photon-ionization-of-silver-clusters" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27311.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">427</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">686</span> Diffusion Magnetic Resonance Imaging and Magnetic Resonance Spectroscopy in Detecting Malignancy in Maxillofacial Lesions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamed%20Khalifa%20Zayet">Mohamed Khalifa Zayet</a>, <a href="https://publications.waset.org/abstracts/search?q=Salma%20Belal%20Eiid"> Salma Belal Eiid</a>, <a href="https://publications.waset.org/abstracts/search?q=Mushira%20Mohamed%20Dahaba"> Mushira Mohamed Dahaba</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Malignant tumors may not be easily detected by traditional radiographic techniques especially in an anatomically complex area like maxillofacial region. At the same time, the advent of biological functional MRI was a significant footstep in the diagnostic imaging field. Objective: The purpose of this study was to define the malignant metabolic profile of maxillofacial lesions using diffusion MRI and magnetic resonance spectroscopy, as adjunctive aids for diagnosing of such lesions. Subjects and Methods: Twenty-one patients with twenty-two lesions were enrolled in this study. Both morphological and functional MRI scans were performed, where T1, T2 weighted images, diffusion-weighted MRI with four apparent diffusion coefficient (ADC) maps were constructed for analysis, and magnetic resonance spectroscopy with qualitative and semi-quantitative analyses of choline and lactate peaks were applied. Then, all patients underwent incisional or excisional biopsies within two weeks from MR scans. Results: Statistical analysis revealed that not all the parameters had the same diagnostic performance, where lactate had the highest areas under the curve (AUC) of 0.9 and choline was the lowest with insignificant diagnostic value. The best cut-off value suggested for lactate was 0.125, where any lesion above this value is supposed to be malignant with 90 % sensitivity and 83.3 % specificity. Despite that ADC maps had comparable AUCs still, the statistical measure that had the final say was the interpretation of likelihood ratio. As expected, lactate again showed the best combination of positive and negative likelihood ratios, whereas for the maps, ADC map with 500 and 1000 b-values showed the best realistic combination of likelihood ratios, however, with lower sensitivity and specificity than lactate. Conclusion: Diffusion weighted imaging and magnetic resonance spectroscopy are state-of-art in the diagnostic arena and they manifested themselves as key players in the differentiation process of orofacial tumors. The complete biological profile of malignancy can be decoded as low ADC values, high choline and/or high lactate, whereas that of benign entities can be translated as high ADC values, low choline and no lactate. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=diffusion%20magnetic%20resonance%20imaging" title="diffusion magnetic resonance imaging">diffusion magnetic resonance imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20resonance%20spectroscopy" title=" magnetic resonance spectroscopy"> magnetic resonance spectroscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=malignant%20tumors" title=" malignant tumors"> malignant tumors</a>, <a href="https://publications.waset.org/abstracts/search?q=maxillofacial" title=" maxillofacial"> maxillofacial</a> </p> <a href="https://publications.waset.org/abstracts/83030/diffusion-magnetic-resonance-imaging-and-magnetic-resonance-spectroscopy-in-detecting-malignancy-in-maxillofacial-lesions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/83030.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">171</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">685</span> Study of Electron Cyclotron Resonance Acceleration by Cylindrical TE₀₁₁ Mode</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Oswaldo%20Otero">Oswaldo Otero</a>, <a href="https://publications.waset.org/abstracts/search?q=Eduardo%20A.%20Orozco"> Eduardo A. Orozco</a>, <a href="https://publications.waset.org/abstracts/search?q=Ana%20M.%20Herrera"> Ana M. Herrera</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, we present results from analytical and numerical studies of the electron acceleration by a TE₀₁₁ cylindrical microwave mode in a static homogeneous magnetic field under electron cyclotron resonance (ECR) condition. The stability of the orbits is analyzed using the particle orbit theory. In order to get a better understanding of the interaction wave-particle, we decompose the azimuthally electric field component as the superposition of right and left-hand circular polarization standing waves. The trajectory, energy and phase-shift of the electron are found through a numerical solution of the relativistic Newton-Lorentz equation in a finite difference method by the Boris method. It is shown that an electron longitudinally injected with an energy of 7 keV in a radial position r=Rc/2, being Rc the cavity radius, is accelerated up to energy of 90 keV by an electric field strength of 14 kV/cm and frequency of 2.45 GHz. This energy can be used to produce X-ray for medical imaging. These results can be used as a starting point for study the acceleration of electrons in a magnetic field changing slowly in time (GYRAC), which has some important applications as the electron cyclotron resonance ion proton accelerator (ECR-IPAC) for cancer therapy and to control plasma bunches with relativistic electrons. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Boris%20method" title="Boris method">Boris method</a>, <a href="https://publications.waset.org/abstracts/search?q=electron%20cyclotron%20resonance" title=" electron cyclotron resonance"> electron cyclotron resonance</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20difference%20method" title=" finite difference method"> finite difference method</a>, <a href="https://publications.waset.org/abstracts/search?q=particle%20orbit%20theory" title=" particle orbit theory"> particle orbit theory</a>, <a href="https://publications.waset.org/abstracts/search?q=X-ray" title=" X-ray"> X-ray</a> </p> <a href="https://publications.waset.org/abstracts/98818/study-of-electron-cyclotron-resonance-acceleration-by-cylindrical-te011-mode" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/98818.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">159</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">684</span> Evaluation of Longitudinal Relaxation Time (T1) of Bone Marrow in Lumbar Vertebrae of Leukaemia Patients Undergoing Magnetic Resonance Imaging</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20G.%20R.%20S.%20Perera">M. G. R. S. Perera</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20S.%20Weerakoon"> B. S. Weerakoon</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20P.%20G.%20Sherminie"> L. P. G. Sherminie</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20L.%20Jayatilake"> M. L. Jayatilake</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20D.%20Jayasinghe"> R. D. Jayasinghe</a>, <a href="https://publications.waset.org/abstracts/search?q=W.%20Huang"> W. Huang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study was to measure and evaluate the Longitudinal Relaxation Times (T1) in bone marrow of an Acute Myeloid Leukaemia (AML) patient in order to explore the potential for a prognostic biomarker using Magnetic Resonance Imaging (MRI) which will be a non-invasive prognostic approach to AML. MR image data were collected in the DICOM format and MATLAB Simulink software was used in the image processing and data analysis. For quantitative MRI data analysis, Region of Interests (ROI) on multiple image slices were drawn encompassing vertebral bodies of L3, L4, and L5. T1 was evaluated using the T1 maps obtained. The estimated bone marrow mean value of T1 was 790.1 (ms) at 3T. However, the reported T1 value of healthy subjects is significantly (946.0 ms) higher than the present finding. This suggests that the T1 for bone marrow can be considered as a potential prognostic biomarker for AML patients. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acute%20myeloid%20leukaemia" title="acute myeloid leukaemia">acute myeloid leukaemia</a>, <a href="https://publications.waset.org/abstracts/search?q=longitudinal%20relaxation%20time" title=" longitudinal relaxation time"> longitudinal relaxation time</a>, <a href="https://publications.waset.org/abstracts/search?q=magnetic%20resonance%20imaging" title=" magnetic resonance imaging"> magnetic resonance imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=prognostic%20biomarker." title=" prognostic biomarker."> prognostic biomarker.</a> </p> <a href="https://publications.waset.org/abstracts/12985/evaluation-of-longitudinal-relaxation-time-t1-of-bone-marrow-in-lumbar-vertebrae-of-leukaemia-patients-undergoing-magnetic-resonance-imaging" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/12985.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">531</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">683</span> Rock Thickness Measurement by Using Self-Excited Acoustical System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Janusz%20Kwa%C5%9Bniewski">Janusz Kwaśniewski</a>, <a href="https://publications.waset.org/abstracts/search?q=Ireneusz%20Dominik"> Ireneusz Dominik</a>, <a href="https://publications.waset.org/abstracts/search?q=Krzysztof%20Lalik"> Krzysztof Lalik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The knowledge about rock layers thickness, especially above drilled mining pavements are crucial for workers safety. The measuring systems used nowadays are generally imperfect and there is a strong demand for improvement. The application of a new type of a measurement system called Self-Excited Acoustical System is presented in the paper. The system was applied until now to monitor stress changes in metal and concrete constructions. The change in measurement methodology resulted in possibility of measuring the thickness of the rocks above the tunnels as well as thickness of a singular rock layer. The idea is to find two resonance frequencies of the self-exited system, which consists of a vibration exciter and vibration receiver placed at a distance, which are coupled with a proper power amplifier, and which operate in a closed loop with a positive feedback. The resonance with the higher amplitude determines thickness of the whole rock, whereas the lower amplitude resonance indicates thickness of a singular layer. The results of the laboratory tests conducted on a group of different rock materials are also presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=auto-oscillator" title="auto-oscillator">auto-oscillator</a>, <a href="https://publications.waset.org/abstracts/search?q=non-destructive%20testing" title=" non-destructive testing"> non-destructive testing</a>, <a href="https://publications.waset.org/abstracts/search?q=rock%20thickness%20measurement" title=" rock thickness measurement"> rock thickness measurement</a>, <a href="https://publications.waset.org/abstracts/search?q=geotechnic" title=" geotechnic"> geotechnic</a> </p> <a href="https://publications.waset.org/abstracts/2627/rock-thickness-measurement-by-using-self-excited-acoustical-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2627.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">374</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">682</span> On-The-Fly Cross Sections Generation in Neutron Transport with Wide Energy Region</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rui%20Chen">Rui Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Shu-min%20Zhou"> Shu-min Zhou</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiong-jie%20Zhang"> Xiong-jie Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Ren-bo%20Wang"> Ren-bo Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Fan%20Huang"> Fan Huang</a>, <a href="https://publications.waset.org/abstracts/search?q=Bin%20Tang"> Bin Tang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> During the temperature changes in reactor core, the nuclide cross section in reactor can vary with temperature, which eventually causes the changes of reactivity. To simulate the interaction between incident neutron and various materials at different temperatures on the nose, it is necessary to generate all the relevant reaction temperature-dependent cross section. Traditionally, the real time cross section generation method is used to avoid storing huge data but contains severe problems of low efficiency and adaptability for narrow energy region. Focused on the research on multi-temperature cross sections generation in real time during in neutron transport, this paper investigated the on-the-fly cross section generation method for resolved resonance region, thermal region and unresolved resonance region, and proposed the real time multi-temperature cross sections generation method based on double-exponential formula for resolved resonance region, as well as the Neville interpolation for thermal and unresolved resonance region. To prove the correctness and validity of multi-temperature cross sections generation based on wide energy region of incident neutron, the proposed method was applied in critical safety benchmark tests, which showed the capability for application in reactor multi-physical coupling simulation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cross%20section" title="cross section">cross section</a>, <a href="https://publications.waset.org/abstracts/search?q=neutron%20transport" title=" neutron transport"> neutron transport</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20simulation" title=" numerical simulation"> numerical simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=on-the-fly" title=" on-the-fly"> on-the-fly</a> </p> <a href="https://publications.waset.org/abstracts/81585/on-the-fly-cross-sections-generation-in-neutron-transport-with-wide-energy-region" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/81585.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">197</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">681</span> The Functional Magnetic Resonance Imaging and the Consumer Behaviour: Reviewing Recent Research</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mikel%20Alonso%20L%C3%B3pez">Mikel Alonso López</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the first decade of the twenty-first century, advanced imaging techniques began to be applied for neuroscience research. The Functional Magnetic Resonance Imaging (fMRI) is one of the most important and most used research techniques for the investigation of emotions, because of its ease to observe the brain areas that oxygenate when performing certain tasks. In this research, we make a review about the main research carried out on the influence of the emotions in the decision-making process that is exposed by using the fMRI. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=decision%20making" title="decision making">decision making</a>, <a href="https://publications.waset.org/abstracts/search?q=emotions" title=" emotions"> emotions</a>, <a href="https://publications.waset.org/abstracts/search?q=fMRI" title=" fMRI"> fMRI</a>, <a href="https://publications.waset.org/abstracts/search?q=consumer%20behaviour" title=" consumer behaviour"> consumer behaviour</a> </p> <a href="https://publications.waset.org/abstracts/48203/the-functional-magnetic-resonance-imaging-and-the-consumer-behaviour-reviewing-recent-research" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48203.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">479</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">680</span> Analytical Investigation of Viscous and Non-Viscous Fluid Particles in a Restricted Region Using Diffusion Magnetic Resonance Imaging Equation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yusuf">Yusuf</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20I."> S. I.</a>, <a href="https://publications.waset.org/abstracts/search?q=Saba"> Saba</a>, <a href="https://publications.waset.org/abstracts/search?q=A."> A.</a>, <a href="https://publications.waset.org/abstracts/search?q=Olaoye"> Olaoye</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20O."> D. O.</a>, <a href="https://publications.waset.org/abstracts/search?q=Ibrahim%20J.%20A."> Ibrahim J. A.</a>, <a href="https://publications.waset.org/abstracts/search?q=Yahaya%20H.%20M."> Yahaya H. M.</a>, <a href="https://publications.waset.org/abstracts/search?q=Jatto%20A.%20O"> Jatto A. O</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nuclear Magnetic Resonance (NMR) technology has been applied in several ways to provide vital information about petro-physical properties of reservoirs. However, due to the need to study the molecular behaviours of particles of the fluids in different restricted media, diffusion magnetic resonance equation is hereby applied in spherical coordinates and solved analytically using the method of separation of variables and solution of Legendre equation by Frobenius method. The viscous fluid considered in this research work is unused oil while the non-viscous fluid is water. The results obtained show that water begins to manifest appreciable change at radial adjustment value of 10 and Magnetization of 2.31191995400015x1014 and relaxes finally at 2.30x1014 at radial adjustment value of 1. On the other hand, unused engine oil begins to manifest its changes at radial adjustment value of 40 and Magnetization of 1.466557018x1014and relaxes finally at 1.48x1014 at radial adjustment value of 5. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=viscous%20and%20non-viscous%20fluid" title="viscous and non-viscous fluid">viscous and non-viscous fluid</a>, <a href="https://publications.waset.org/abstracts/search?q=restricted%20medium" title=" restricted medium"> restricted medium</a>, <a href="https://publications.waset.org/abstracts/search?q=relaxation%20times" title=" relaxation times"> relaxation times</a>, <a href="https://publications.waset.org/abstracts/search?q=coefficient%20of%20diffusion" title=" coefficient of diffusion"> coefficient of diffusion</a> </p> <a href="https://publications.waset.org/abstracts/168225/analytical-investigation-of-viscous-and-non-viscous-fluid-particles-in-a-restricted-region-using-diffusion-magnetic-resonance-imaging-equation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168225.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">679</span> High Frequency Nanomechanical Oscillators Based on Synthetic Nanowires</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Minjin%20Kim">Minjin Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Jihwan%20Kim"> Jihwan Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Bongsoo%20Kim"> Bongsoo Kim</a>, <a href="https://publications.waset.org/abstracts/search?q=Junho%20Suh"> Junho Suh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We demonstrate nanomechanical resonators constructed with synthetic nanowires (NWs) and study their electro-mechanical properties at millikelvin temperatures. Nanomechanical resonators are fabricated using single-crystalline Au NWs and InAs NWs. The mechanical resonance signals are acquired by either magnetomotive or capacitive detection methods. The Au NWs are synthesized by chemical vapor transport method at 1100 °C, and they exhibit clean surface and single-crystallinity with little defects. Due to pristine surface quality, these Au NW mechanical resonators could provide an ideal model system for studying surface-related effects on the mechanical systems. The InAs NWs are synthesized by molecular beam epitaxy or metal organic chemical vapor deposition method. The InAs NWs show electronic conductance modulation resembling Coulomb blockade, which also manifests in the mechanical resonance signals in the form of damping and resonance frequency shift. Our result provides an evidence of strong electro-mechanical coupling in synthetic NW nanomechanical resonators. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Au%20nanowire" title="Au nanowire">Au nanowire</a>, <a href="https://publications.waset.org/abstracts/search?q=InAs%20nanowire" title=" InAs nanowire"> InAs nanowire</a>, <a href="https://publications.waset.org/abstracts/search?q=nanomechanical%20resonator" title=" nanomechanical resonator"> nanomechanical resonator</a>, <a href="https://publications.waset.org/abstracts/search?q=synthetic%20nanowires" title=" synthetic nanowires"> synthetic nanowires</a> </p> <a href="https://publications.waset.org/abstracts/66256/high-frequency-nanomechanical-oscillators-based-on-synthetic-nanowires" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/66256.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">210</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=sub-harmonic%20resonance&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=sub-harmonic%20resonance&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=sub-harmonic%20resonance&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=sub-harmonic%20resonance&page=5">5</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=sub-harmonic%20resonance&page=6">6</a></li> 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