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Mohan</title> <meta name="description" content="Search results for: Govind Mohan"> <meta name="keywords" content="Govind Mohan"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Govind Mohan"> <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> 122</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Govind Mohan</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">122</span> Possible Role of Fenofibrate and Clofibrate in Attenuated Cardioprotective Effect of Ischemic Preconditioning in Hyperlipidemic Rat Hearts</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gurfateh%20Singh">Gurfateh Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Mu%20Khan"> Mu Khan</a>, <a href="https://publications.waset.org/abstracts/search?q=Razia%20Khanam"> Razia Khanam</a>, <a href="https://publications.waset.org/abstracts/search?q=Govind%20Mohan"> Govind Mohan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objective: The present study has been designed to investigate the beneficial role of Fenofibrate & Clofibrate in attenuated the cardioprotective effect of ischemic preconditioning (IPC) in hyperlipidemic rat hearts. Materials & Methods: Experimental hyperlipidemia was produced by feeding high fat diet to rats for a period of 28 days. Isolated langendorff’s perfused normal and hyperlipidemic rat hearts were subjected to global ischemia for 30 min followed by reperfusion for 120 min. The myocardial infarct size was assessed macroscopically using triphenyltetrazolium chloride staining. Coronary effluent was analyzed for lactate dehydrogenase (LDH) and creatine kinase-MB release to assess the extent of cardiac injury. Moreover, the oxidative stress in heart was assessed by measuring thiobarbituric acid reactive substance, superoxide anion generation and reduced form of glutathione. Results: The ischemia-reperfusion (I/R) has been noted to induce oxidative stress by increasing TBARS, superoxide anion generation and decreasing reduced form of glutathione in normal and hyperlipidemic rat hearts. Moreover, I/R produced myocardial injury, which was assessed in terms of increase in myocardial infarct size, LDH and CK-MB release in coronary effluent and decrease in coronary flow rate in normal and hyperlipidemic rat hearts. In addition, the hyperlipidemic rat hearts showed enhanced I/R-induced myocardial injury with high degree of oxidative stress as compared with normal rat hearts subjected to I/R. Four episodes of IPC (5 min each) afforded cardioprotection against I/R-induced myocardial injury in normal rat hearts as assessed in terms of improvement in coronary flow rate and reduction in myocardial infarct size, LDH, CK-MB and oxidative stress. On the other hand, IPC mediated myocardial protection against I/R-injury was abolished in hyperlipidemic rat hearts. However, Treatment with Fenofibrate (100 mg/kg/day, i.p.), Clofibrate (300mg/kg/day, i.p.) as a agonists of PPAR-α have not affected the cardioprotective effect of IPC in normal rat hearts, but its treatment markedly restored the cardioprotective potentials of IPC in hyperlipidemic rat hearts. Conclusion: It is noted that the high degree of oxidative stress produced in hyperlipidemic rat heart during reperfusion and consequent down regulation of PPAR-α may be responsible to abolish the cardioprotective potentials of IPC. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyperlipidemia" title="Hyperlipidemia">Hyperlipidemia</a>, <a href="https://publications.waset.org/abstracts/search?q=ischemia-reperfusion%20injury" title=" ischemia-reperfusion injury"> ischemia-reperfusion injury</a>, <a href="https://publications.waset.org/abstracts/search?q=ischemic%20preconditioning" title=" ischemic preconditioning"> ischemic preconditioning</a>, <a href="https://publications.waset.org/abstracts/search?q=PPAR-%CE%B1" title=" PPAR-α"> PPAR-α</a> </p> <a href="https://publications.waset.org/abstracts/41455/possible-role-of-fenofibrate-and-clofibrate-in-attenuated-cardioprotective-effect-of-ischemic-preconditioning-in-hyperlipidemic-rat-hearts" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41455.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">288</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">121</span> Impact of Western Music Instruments on Indian Classical Music</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hukam%20Chand">Hukam Chand</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Over the past few years, the performance of Indian classical music has been improved a lot due to the technical inclusion of western instruments. Infect, the Indian classical music is all about raags which portray a mood and sentiments expressed through a microtonal scale based on natural harmonic series. And, most of the western instruments are not based on natural harmonic series and the tonal system is the only system which has considerable influence on the Indian classical music. However, the use of western instruments has been growing day by day in one way or the other by the Indian artists due to their quality of harmony. As a result of which, there are some common instruments such as harmonium, violin, guitar, saxophone, synthesizer which are being used commonly by Indian and western artists. On the other hand, a lot of fusion has taken place in the music of both sides due to the similar characteristics in their instruments. For example, harmonium which was originally the western instrument has now acquired an important position in Indian classical music to perform raags. Besides, a lot of suggestions for improving in the Indian music have been given by the artists for technical modification in the western instruments to cater the needs of Indian music through melody approach. Pt. Vishav Mohan Bhatt an Indian musician has developed Mohan Veena (called guitar) to perform raags. N. Rajam the Indian lady Violinist has made a remarkable work on Indian classical music by accompanied with vocal music. The purpose of the present research paper is to highlight the changes in Indian Classical Music through performance by using modified western music instruments. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Indian%20classical%20music" title="Indian classical music">Indian classical music</a>, <a href="https://publications.waset.org/abstracts/search?q=Western%20instruments" title=" Western instruments"> Western instruments</a>, <a href="https://publications.waset.org/abstracts/search?q=harmonium" title=" harmonium"> harmonium</a>, <a href="https://publications.waset.org/abstracts/search?q=guitar" title=" guitar"> guitar</a>, <a href="https://publications.waset.org/abstracts/search?q=Violin%20and%20impact" title=" Violin and impact"> Violin and impact</a> </p> <a href="https://publications.waset.org/abstracts/46996/impact-of-western-music-instruments-on-indian-classical-music" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46996.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">521</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">120</span> Measurement of Rayleigh Scattering Cross-Section of ₆₀Nd K X-Rays Elements with 26 ≤ Z≤ 90</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Govind%20Sharma">Govind Sharma</a>, <a href="https://publications.waset.org/abstracts/search?q=Harpreet%20S.%20Kainth"> Harpreet S. Kainth</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Rayleigh scattering differential cross sections have been measured for the 36.84 keV (60Nd Kα2), 37.36 keV (60Nd Kα1) and 42.27 keV (60Nd Kβ1,3) X-rays. These measurements have been done in 44 elements with 22 ≤ Z ≤ 90 at an angle of 1390. The measurements are performed by using a radiation source consisting of an annular 60Nd foil excited by the 59.54 KeV γ-ray photons from 241Am radioactive source. The Nd Kα2, Kβ1,3 X-ray photons from the 60Nd annular foil (secondary photon source) are made to scatter from the target and the scattered photons are detected using Canberra made low energy Germanium (LEGe) detector. The measured Rayleigh scattering cross sections are compared with the theoretical MF, MFASF and the SM values. The noticeable deviations are observed from the MF, MFASF and SM values for 36.84 keV (60Nd Kα2), 37.36 keV (60Nd Kα1) and 42.27 keV (60Nd Kβ1,3) X-rays. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Photon-electron%20interaction" title="Photon-electron interaction">Photon-electron interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=Rayleigh%20scattering" title=" Rayleigh scattering"> Rayleigh scattering</a>, <a href="https://publications.waset.org/abstracts/search?q=X-ray%20fluorescence" title=" X-ray fluorescence"> X-ray fluorescence</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/79355/measurement-of-rayleigh-scattering-cross-section-of-60nd-k-x-rays-elements-with-26-z-90" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/79355.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">387</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">119</span> Electrospun Zinc Oxide Nanowires as Highly Sensitive Piezoelectric Transduction Elements for Nano-Scale Devices</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=K.%20Brince%20Paul">K. Brince Paul</a>, <a href="https://publications.waset.org/abstracts/search?q=Nagendra%20Pratap%20Singh"> Nagendra Pratap Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Shiv%20Govind%20Singh"> Shiv Govind Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Siva%20Rama%20Krishna%20Vanjari"> Siva Rama Krishna Vanjari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we report optimized procedure for synthesizing highly oriented, horizontally aligned, Zinc oxide (ZnO) nanowires targeted towards developing highly sensitive piezoelectric transduction elements. The synthesis was carried out using Electrospinning technique, a facile, robust, low cost technique for producing nanowires. The as-synthesized ZnO nanowires were characterized by X-ray powder diffraction (XRD), Field Emission scanning electron microscopy (FESEM) and Energy-dispersive X-ray spectroscopy (EDX).The Piezoelectric behavior of these nanowires was characterized using Peizoelectric Force microscopy (PFM). A very high d33 coefficient of 23.1 pm/V obtained through the PFM measurements is an indicative of its potential application towards developing miniaturized piezoelectric transduction elements for nanoscale devices. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electrospinning" title="electrospinning">electrospinning</a>, <a href="https://publications.waset.org/abstracts/search?q=piezoelectric" title=" piezoelectric"> piezoelectric</a>, <a href="https://publications.waset.org/abstracts/search?q=technique" title=" technique"> technique</a>, <a href="https://publications.waset.org/abstracts/search?q=zinc%20oxide" title=" zinc oxide"> zinc oxide</a> </p> <a href="https://publications.waset.org/abstracts/42232/electrospun-zinc-oxide-nanowires-as-highly-sensitive-piezoelectric-transduction-elements-for-nano-scale-devices" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/42232.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">405</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">118</span> Exploring Artificial Intelligence as a Transformative Tool for Urban Management</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=R.%20R.%20Govind">R. R. Govind</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the digital age, artificial intelligence (AI) is having a significant impact on the rapid changes that cities are experiencing. This study explores the profound impact of AI on urban morphology, especially with regard to promoting friendly design choices. It addresses a significant research gap by examining the real-world effects of integrating AI into urban design and management. The main objective is to outline a framework for integrating AI to transform urban settings. The study employs an urban design framework to effectively navigate complicated urban environments, emphasize the need for urban management, and provide efficient planning and design strategies. Taking Gangtok's informal settlements as a focal point, the study employs AI methodologies such as machine learning, predictive analytics, and generative AI to tackle issues of 'urban informality'. The insights garnered not only offer valuable perspectives but also unveil AI's transformative potential in addressing contemporary urban challenges. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=urban%20design" title="urban design">urban design</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=urban%20challenges" title=" urban challenges"> urban challenges</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=urban%20informality" title=" urban informality"> urban informality</a> </p> <a href="https://publications.waset.org/abstracts/182589/exploring-artificial-intelligence-as-a-transformative-tool-for-urban-management" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/182589.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">61</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">117</span> Common Orthodontic Indices and Classification in the United Kingdom</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ashwini%20Mohan">Ashwini Mohan</a>, <a href="https://publications.waset.org/abstracts/search?q=Haris%20Batley"> Haris Batley</a> </p> <p class="card-text"><strong>Abstract:</strong></p> An orthodontic index is used to rate or categorise an individual’s occlusion using a numeric or alphanumeric score. Indexing of malocclusions and their correction is important in epidemiology, diagnosis, communication between clinicians as well as their patients and assessing treatment outcomes. Many useful indices have been put forward, but to the author’s best knowledge, no one method to this day appears to be equally suitable for the use of epidemiologists, public health program planners and clinicians. This article describes the common clinical orthodontic indices and classifications used in United Kingdom. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=classification" title="classification">classification</a>, <a href="https://publications.waset.org/abstracts/search?q=indices" title=" indices"> indices</a>, <a href="https://publications.waset.org/abstracts/search?q=orthodontics" title=" orthodontics"> orthodontics</a>, <a href="https://publications.waset.org/abstracts/search?q=validity" title=" validity"> validity</a> </p> <a href="https://publications.waset.org/abstracts/152293/common-orthodontic-indices-and-classification-in-the-united-kingdom" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/152293.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">151</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">116</span> Falling and Rising of Solid Particles in Thermally Stratified Fluid </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Govind%20Sharma">Govind Sharma</a>, <a href="https://publications.waset.org/abstracts/search?q=Bahni%20Ray"> Bahni Ray</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ubiquitous nature of particle settling is governed by the presence of the surrounding fluid medium. Thermally stratified fluid alters the settling phenomenon of particles as well as their interactions. Direct numerical simulation (DNS) is carried out with an open-source library Immersed Boundary Adaptive Mesh Refinement (IBAMR) to quantify the fundamental mechanism based on Distributed Lagrangian Multiplier (DLM). The presence of background density gradient due to thermal stratification replaces the drafting-kissing-tumbling in a homogeneous fluid to drafting-kissing-separation behavior. Simulations are performed with a varying range of particle-fluid density ratios, and it is shown that the stratification effect on particle interactions varies with density ratio. It is observed that the combined role of buoyancy and inertia govern the physical mechanism of particle-particle interaction. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=direct%20numerical%20simulation" title="direct numerical simulation">direct numerical simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=distributed%20lagrangian%20multiplier" title=" distributed lagrangian multiplier"> distributed lagrangian multiplier</a>, <a href="https://publications.waset.org/abstracts/search?q=rigidity%20constraint" title=" rigidity constraint"> rigidity constraint</a>, <a href="https://publications.waset.org/abstracts/search?q=sedimentation" title=" sedimentation"> sedimentation</a>, <a href="https://publications.waset.org/abstracts/search?q=stratification" title=" stratification"> stratification</a> </p> <a href="https://publications.waset.org/abstracts/122562/falling-and-rising-of-solid-particles-in-thermally-stratified-fluid" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/122562.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">136</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">115</span> Visualizing the Consequences of Smoking Using Augmented Reality</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=B.%20Remya%20Mohan">B. Remya Mohan</a>, <a href="https://publications.waset.org/abstracts/search?q=Kamal%20Bijlani"> Kamal Bijlani</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Jayakrishnan"> R. Jayakrishnan </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Visualization in an educational context provides the learner with visual means of information. Conceptualizing certain circumstances such as consequences of smoking can be done more effectively with the help of the technology, Augmented Reality (AR). It is a new methodology for effective learning. This paper proposes an approach on how AR based on Marker Technology simulates the harmful effects of smoking and its consequences using Unity 3D game engine. The study also illustrates the impact of AR technology on students for better learning. AR technology can be used as a method to improve learning. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=augmented%20reality" title="augmented reality">augmented reality</a>, <a href="https://publications.waset.org/abstracts/search?q=marker%20technology" title=" marker technology"> marker technology</a>, <a href="https://publications.waset.org/abstracts/search?q=multi-platform" title=" multi-platform"> multi-platform</a>, <a href="https://publications.waset.org/abstracts/search?q=virtual%20buttons" title=" virtual buttons"> virtual buttons</a> </p> <a href="https://publications.waset.org/abstracts/31536/visualizing-the-consequences-of-smoking-using-augmented-reality" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31536.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">577</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">114</span> Laser Additive Manufacturing: A Literature Review</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pranav%20Mohan%20Parki">Pranav Mohan Parki</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Mallika%20Parveen"> C. Mallika Parveen</a>, <a href="https://publications.waset.org/abstracts/search?q=Tahseen%20Ahmad%20Khan"> Tahseen Ahmad Khan</a>, <a href="https://publications.waset.org/abstracts/search?q=Mihika%20Shivkumar"> Mihika Shivkumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Additive manufacturing (AM) is one of the several manufacturing processes in use today. AM comprises of techniques such as ‘Selective Laser Sintering’ and ‘Selective Laser Melting’ etc. along with other equipment and materials has been developed way back in 1980s, although major use of these methods has risen during the last decade. AM seems to be the most efficient way when compared to the traditional machining procedures. Still many problems continue to hinder its progress to becoming the most widely used of all. This paper contributes to the better understanding of AM and also aims at providing viable solutions to these problems, which may further help in enabling AM to become the most flaw free production method. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=additive%20manufacturing%20%28AM%29" title="additive manufacturing (AM)">additive manufacturing (AM)</a>, <a href="https://publications.waset.org/abstracts/search?q=3D%20printing" title=" 3D printing"> 3D printing</a>, <a href="https://publications.waset.org/abstracts/search?q=prototype" title=" prototype"> prototype</a>, <a href="https://publications.waset.org/abstracts/search?q=laser%20sintering" title=" laser sintering"> laser sintering</a> </p> <a href="https://publications.waset.org/abstracts/44548/laser-additive-manufacturing-a-literature-review" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/44548.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">380</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">113</span> Excitation Dependent Luminescence in Cr³+ Doped MgAl₂O₄ Nanocrystals</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Savita">Savita</a>, <a href="https://publications.waset.org/abstracts/search?q=Pargam%20Vashishtha"> Pargam Vashishtha</a>, <a href="https://publications.waset.org/abstracts/search?q=Govind%20Gupta"> Govind Gupta</a>, <a href="https://publications.waset.org/abstracts/search?q=Ankush%20Vij"> Ankush Vij</a>, <a href="https://publications.waset.org/abstracts/search?q=Anup%20Thakur"> Anup Thakur</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The ligand field dependent visible as well as NIR emission of the Cr³+dopant in spinel hosts has attracted immense attention in tuning the color emitted by the material. In this research, Mg1-xCrxAl₂O₄(x=0.5, 1, 3, 5, and 10 mol%) nanocrystals have been synthesizedby solution combustion method. The synthesized nanocrystals possessed a single phase cubic structure. The strong absorption by host lattice defects (antisite defects, F centres) andd-d transitions of Cr³+ ions lead to radiative emission in the visible and NIR region, respectively. The red-NIR emission in photoluminescence spectra inferred the octahedral symmetry of Cr³+ ions and anticipated the site distortion by the presence ofCr³+ clusters and antisite defects in the vicinity of Cr³+ ions. The thermoluminescence response of UV and γ-irradiated Cr doped MgAl2O4 samples revealed the formation of various shallow and deep defects with doping Cr³+ions. The induced structural cation disorder with an increase in doping concentration caused photoluminescence quenching beyond 3 mol% Cr³+ doping. The color tuning exhibited by Cr doped MgAl₂O₄ nanocrystals by varying Cr³+ ion concentration and excitation wavelength find its applicability in solid state lighting. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antisite%20defects" title="antisite defects">antisite defects</a>, <a href="https://publications.waset.org/abstracts/search?q=cation%20disorder" title=" cation disorder"> cation disorder</a>, <a href="https://publications.waset.org/abstracts/search?q=color%20tuning" title=" color tuning"> color tuning</a>, <a href="https://publications.waset.org/abstracts/search?q=combustion%20synthesis" title=" combustion synthesis"> combustion synthesis</a> </p> <a href="https://publications.waset.org/abstracts/139110/excitation-dependent-luminescence-in-cr3-doped-mgal2o4-nanocrystals" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/139110.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">180</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">112</span> Pressure Drop Study in Moving and Stationary Beds with Lateral Gas Injection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vinci%20Mojamdar">Vinci Mojamdar</a>, <a href="https://publications.waset.org/abstracts/search?q=Govind%20S.%20Gupta"> Govind S. Gupta</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Moving beds in the presence of gas flow are widely used in metallurgical and chemical industries like blast furnaces, catalyst reforming, drying, etc. Pressure drop studies in co- and counter – current conditions have been done by a few researchers. However, to the best of authours knowledge, proper pressure drop study with lateral gas injection lacks especially in the presence of cavity and nozzle protrusion inside the packed bed. The latter study is more useful for metallurgical industries for the processes such as blast furnaces, shaft reduction and, COREX. In this experimental work, a two dimensional cold model with slot type nozzle for lateral gas injection along with the plastic beads as packing material and dry air as gas have been used. The variation of pressure drop is recorded at various horizontal and vertical directions in the presence of cavity and nozzle protrusion. The study has been performed in both moving and stationary beds. Also, the experiments have been carried out in both increasing as well as decreasing gas flow conditions. Experiments have been performed at various gas flow rates and packed bed heights. Some interesting results have been reported such as there is no pressure variation in the moving bed for both the increasing and decreasing gas flow condition that is different from the stationary bed. Pressure hysteresis loop has been observed in a stationary bed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=lateral%20gas%20injection" title="lateral gas injection">lateral gas injection</a>, <a href="https://publications.waset.org/abstracts/search?q=moving%20bed" title=" moving bed"> moving bed</a>, <a href="https://publications.waset.org/abstracts/search?q=pressure%20drop" title=" pressure drop"> pressure drop</a>, <a href="https://publications.waset.org/abstracts/search?q=pressure%20hysteresis" title=" pressure hysteresis"> pressure hysteresis</a>, <a href="https://publications.waset.org/abstracts/search?q=stationary%20bed" title=" stationary bed"> stationary bed</a> </p> <a href="https://publications.waset.org/abstracts/78931/pressure-drop-study-in-moving-and-stationary-beds-with-lateral-gas-injection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/78931.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">313</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">111</span> Phytochemical Screening of Roots of Peltophorum pterocarpum</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Vidyadhar%20Suram">Vidyadhar Suram</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Chamundeeswari"> D. Chamundeeswari</a>, <a href="https://publications.waset.org/abstracts/search?q=Umamaheswara%20Rao"> Umamaheswara Rao</a>, <a href="https://publications.waset.org/abstracts/search?q=Krishna%20Mohan%20Chinnala"> Krishna Mohan Chinnala </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Peltophorum pterocarpum known as copper pod belongs to the family Fabaceae, native to tropical south-eastern asia and a popularly ornamental tree grown around the world. In traditional medicine it is used as an astringent to cure or relieve intestinal disorders after pain at childbirth, sprains, bruises and swelling or as a lotion for eye troubles, muscular pains and sores. It is also used for gargles and tooth powders. Medcinally; it has proven to possess various pharmacological activities. The powdered root part of Peltophorum pterocarpum (250gr) were extracted exhaustively using different solvents and phytochemical investigations has shown the presence of various secondary metabolites like alkaloids, flavanoids, tannins, saponins, proteins, glycosides, steriods, and volatile. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antibacterialactivity" title="antibacterialactivity">antibacterialactivity</a>, <a href="https://publications.waset.org/abstracts/search?q=fabaceae" title=" fabaceae"> fabaceae</a>, <a href="https://publications.waset.org/abstracts/search?q=peltophorum%20pterocarpum" title=" peltophorum pterocarpum"> peltophorum pterocarpum</a>, <a href="https://publications.waset.org/abstracts/search?q=isocoumari" title=" isocoumari"> isocoumari</a>, <a href="https://publications.waset.org/abstracts/search?q=alkaloids" title=" alkaloids"> alkaloids</a> </p> <a href="https://publications.waset.org/abstracts/13914/phytochemical-screening-of-roots-of-peltophorum-pterocarpum" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13914.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">349</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">110</span> Copper Oxide Doped Carbon Catalyst for Anodic Half-Cell of Vanadium Redox Flow Battery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Irshad%20U.%20Khan">Irshad U. Khan</a>, <a href="https://publications.waset.org/abstracts/search?q=Tanmay%20Paul"> Tanmay Paul</a>, <a href="https://publications.waset.org/abstracts/search?q=Murali%20Mohan%20Seepana"> Murali Mohan Seepana</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents a study on synthesizing and characterizing a Copper oxide doped Carbon (CuO-C) electrocatalyst for the negative half-cell reactions of Vanadium Redox Flow Battery (VRFB). The CuO was synthesized using a microreactor. The electrocatalyst was characterized using X-ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), and Field Emission Scanning Electron Microscopy (SEM). The electrochemical performance was assessed by linear sweep voltammetry (LSV). The findings suggest that the synthesized CuO exhibited favorable crystallinity, morphology, and surface area, which reflects improved cell performance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ECSA" title="ECSA">ECSA</a>, <a href="https://publications.waset.org/abstracts/search?q=electrocatalyst" title=" electrocatalyst"> electrocatalyst</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20storage" title=" energy storage"> energy storage</a>, <a href="https://publications.waset.org/abstracts/search?q=Tafel" title=" Tafel"> Tafel</a> </p> <a href="https://publications.waset.org/abstracts/167257/copper-oxide-doped-carbon-catalyst-for-anodic-half-cell-of-vanadium-redox-flow-battery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167257.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">90</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">109</span> A Study of Chaos Control Schemes for Plankton-Fish Dynamics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rajinder%20Pal%20Kaur">Rajinder Pal Kaur</a>, <a href="https://publications.waset.org/abstracts/search?q=Amit%20Sharma"> Amit Sharma</a>, <a href="https://publications.waset.org/abstracts/search?q=Anuj%20Kumar%20Sharma"> Anuj Kumar Sharma</a>, <a href="https://publications.waset.org/abstracts/search?q=Govind%20Prasad%20Sahu"> Govind Prasad Sahu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The existence of chaos in the marine ecosystems may cause planktonic blooms, disease outbreaks, extinction of some plankton species, or some complex dynamics in oceans, which can adversely affect the sustainable marine ecosystem. The control of the chaotic plankton-fish dynamics is one of the main motives of marine ecologists. In this paper, we have studied the impact of phytoplankton refuge, zooplankton refuge, and fear effect on the chaotic plankton-fish dynamics incorporating phytoplankton, zooplankton, and fish biomass. The fear of fish predation transfers the unpredictable(chaotic) behavior of the plankton system to a stable orbit. The defense mechanism developed by prey species due to fear of the predator population can also terminate chaos from the given dynamics. Moreover, the impact of external disturbances like seasonality, noise, periodic fluctuations, and time delay on the given chaotic plankton system has also been discussed. We have applied feedback mechanisms to control the complexity of the system through the parameter noise. The non-feedback schemes are implemented to observe the role of seasonal force, periodic fluctuations, and time delay in suppressing the given chaotic system. Analytical results are substantiated by numerical simulation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=plankton" title="plankton">plankton</a>, <a href="https://publications.waset.org/abstracts/search?q=chaos" title=" chaos"> chaos</a>, <a href="https://publications.waset.org/abstracts/search?q=noise" title=" noise"> noise</a>, <a href="https://publications.waset.org/abstracts/search?q=seasonality" title=" seasonality"> seasonality</a>, <a href="https://publications.waset.org/abstracts/search?q=fluctuations" title=" fluctuations"> fluctuations</a>, <a href="https://publications.waset.org/abstracts/search?q=fear%20effect" title=" fear effect"> fear effect</a>, <a href="https://publications.waset.org/abstracts/search?q=prey%20refuge" title=" prey refuge"> prey refuge</a> </p> <a href="https://publications.waset.org/abstracts/172711/a-study-of-chaos-control-schemes-for-plankton-fish-dynamics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/172711.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">84</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">108</span> Review of Suitable Advanced Oxidation Processes for Degradation of Organic Compounds in Produced Water during Enhanced Oil Recovery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Smita%20Krishnan">Smita Krishnan</a>, <a href="https://publications.waset.org/abstracts/search?q=Krittika%20Chandran"> Krittika Chandran</a>, <a href="https://publications.waset.org/abstracts/search?q=Chandra%20Mohan%20Sinnathambi"> Chandra Mohan Sinnathambi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Produced water and its treatment and management are growing challenges in all producing regions. This water is generally considered as a nonrevenue product, but it can have significant value in enhanced oil recovery techniques if it meets the required quality standards. There is also an interest in the beneficial uses of produced water for agricultural and industrial applications. Advanced Oxidation Process is a chemical technology that has been growing recently in the wastewater treatment industry, and it is highly recommended for non-easily removal of organic compounds. The efficiency of AOPs is compound specific, therefore, the optimization of each process should be done based on different aspects. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=advanced%20oxidation%20process" title="advanced oxidation process">advanced oxidation process</a>, <a href="https://publications.waset.org/abstracts/search?q=photochemical%20processes" title=" photochemical processes"> photochemical processes</a>, <a href="https://publications.waset.org/abstracts/search?q=degradation" title=" degradation"> degradation</a>, <a href="https://publications.waset.org/abstracts/search?q=organic%20contaminants" title=" organic contaminants"> organic contaminants</a> </p> <a href="https://publications.waset.org/abstracts/19348/review-of-suitable-advanced-oxidation-processes-for-degradation-of-organic-compounds-in-produced-water-during-enhanced-oil-recovery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19348.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">504</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">107</span> An Approach for Reducing Morphological Operator Dataset and Recognize Optical Character Based on Significant Features</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ashis%20Pradhan">Ashis Pradhan</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohan%20P.%20Pradhan"> Mohan P. Pradhan </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Pattern Matching is useful for recognizing character in a digital image. OCR is one such technique which reads character from a digital image and recognizes them. Line segmentation is initially used for identifying character in an image and later refined by morphological operations like binarization, erosion, thinning, etc. The work discusses a recognition technique that defines a set of morphological operators based on its orientation in a character. These operators are further categorized into groups having similar shape but different orientation for efficient utilization of memory. Finally the characters are recognized in accordance with the occurrence of frequency in hierarchy of significant pattern of those morphological operators and by comparing them with the existing database of each character. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=binary%20image" title="binary image">binary image</a>, <a href="https://publications.waset.org/abstracts/search?q=morphological%20patterns" title=" morphological patterns"> morphological patterns</a>, <a href="https://publications.waset.org/abstracts/search?q=frequency%20count" title=" frequency count"> frequency count</a>, <a href="https://publications.waset.org/abstracts/search?q=priority" title=" priority"> priority</a>, <a href="https://publications.waset.org/abstracts/search?q=reduction%20data%20set%20and%20recognition" title=" reduction data set and recognition"> reduction data set and recognition</a> </p> <a href="https://publications.waset.org/abstracts/30867/an-approach-for-reducing-morphological-operator-dataset-and-recognize-optical-character-based-on-significant-features" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/30867.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">414</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">106</span> Analysis of Slip Flow Heat Transfer between Asymmetrically Heated Parallel Plates </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hari%20Mohan%20Kushwaha">Hari Mohan Kushwaha</a>, <a href="https://publications.waset.org/abstracts/search?q=Santosh%20Kumar%20Sahu"> Santosh Kumar Sahu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present study, analysis of heat transfer is carried out in the slip flow region for the fluid flowing between two parallel plates by employing the asymmetric heat fluxes at surface of the plates. The flow is assumed to be hydrodynamically and thermally fully developed for the analysis. The second order velocity slip and viscous dissipation effects are considered for the analysis. Closed form expressions are obtained for the Nusselt number as a function of Knudsen number and modified Brinkman number. The limiting condition of the present prediction for Kn = 0, Kn2 = 0, and Brq1 = 0 is considered and found to agree well with other analytical results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Knudsen%20number" title="Knudsen number">Knudsen number</a>, <a href="https://publications.waset.org/abstracts/search?q=modified%20Brinkman%20number" title=" modified Brinkman number"> modified Brinkman number</a>, <a href="https://publications.waset.org/abstracts/search?q=slip%20flow" title=" slip flow"> slip flow</a>, <a href="https://publications.waset.org/abstracts/search?q=velocity%20slip" title=" velocity slip"> velocity slip</a> </p> <a href="https://publications.waset.org/abstracts/17458/analysis-of-slip-flow-heat-transfer-between-asymmetrically-heated-parallel-plates" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17458.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">387</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">105</span> A C/T Polymorphism at the 5’ Untranslated Region of CD40 Gene in Patients Associated with Graves’ Disease in Kumaon Region</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sanjeev%20Kumar%20Shukla">Sanjeev Kumar Shukla</a>, <a href="https://publications.waset.org/abstracts/search?q=Govind%20Singh"> Govind Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Prabhat%20Pant%20%20%20%20%20%20Shahzad%20Ahmad"> Prabhat Pant Shahzad Ahmad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Graves’ disease is an autoimmune disorder with a genetic predisposition, and CD40 plays a pathogenic role in various autoimmune diseases. A single nucleotide polymorphism at position –1 of the Kozak sequence of the 5 untranslated regions of the CD40 gene of exon 1 has been reported to be associated with the development of Graves’ Disease. Objective: The aim of the present study was to investigate whether CD40 gene polymorphism confers susceptibility to Graves’ disease in the Kumaon region. CD40 gene polymorphisms were studied in Graves’ Disease patients (n=50) and healthy control subjects without anti-thyroid autoantibodies or a family history of autoimmune disorders (n=50). Material and Method: CD40 gene polymorphisms were studied in fifty Graves’ Disease patients and fifty healthy control subjects. All samples were collected from STG Hospital, Haldwani, Nainital. A C/T polymorphism at position –1 of the CD40 gene was measured using the polymerase chain reaction-restriction fragment length polymorphism. Results: There was no significant difference in allele or genotype frequency of the CD40 SNP between Graves’ Disease and control subjects. There was a significant decrease in the TT genotype frequency in the Graves’ Disease patients who developed Graves’ Disease after 40 years old than those under 40 years of age. These data suggest that the SNP of the CD40 gene is associated with susceptibility to the later onset of Graves’ Disease. Conclusion: The CD40 gene was a different susceptibility gene for Graves’ Disease within certain families because it was both linked and associated with Graves’ Disease. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=autoimmune%20%20%20diseases" title="autoimmune diseases">autoimmune diseases</a>, <a href="https://publications.waset.org/abstracts/search?q=pathogenesis" title=" pathogenesis"> pathogenesis</a>, <a href="https://publications.waset.org/abstracts/search?q=diagnosis" title=" diagnosis"> diagnosis</a>, <a href="https://publications.waset.org/abstracts/search?q=therapy" title=" therapy"> therapy</a> </p> <a href="https://publications.waset.org/abstracts/185356/a-ct-polymorphism-at-the-5-untranslated-region-of-cd40-gene-in-patients-associated-with-graves-disease-in-kumaon-region" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/185356.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">51</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">104</span> Entrepreneurship and the Discovery and Exploitation of Business Opportunities: Empirical Evidence from the Malawian Tourism Sector</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Aravind%20Mohan%20Krishnan">Aravind Mohan Krishnan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper identifies a research gap in the literature on tourism entrepreneurship in Malawi, Africa, and investigates how entrepreneurs from the Malawian tourism sector discover and exploit business opportunities. In particular, the importance of prior experience and business networks in the opportunity development process is debated. Another area of empirical research examined here is the opportunity recognition-venture creation sequence. While Malawi presents fruitful business opportunities, exploiting these opportunities into fully realized business ideas is a real challenge due to the country’s difficult business environment and poor promotional and marketing efforts. The study concludes by calling for further research in Sub-Saharan Africa in order to develop our understanding of entrepreneurship in this (African) context. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=entrepreneurship" title="entrepreneurship">entrepreneurship</a>, <a href="https://publications.waset.org/abstracts/search?q=Malawi" title=" Malawi"> Malawi</a>, <a href="https://publications.waset.org/abstracts/search?q=opportunities" title=" opportunities"> opportunities</a>, <a href="https://publications.waset.org/abstracts/search?q=tourism" title=" tourism"> tourism</a> </p> <a href="https://publications.waset.org/abstracts/47043/entrepreneurship-and-the-discovery-and-exploitation-of-business-opportunities-empirical-evidence-from-the-malawian-tourism-sector" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47043.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">336</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">103</span> A Parametric Study on Effects of Internal Factors on Carbonation of Reinforced Concrete</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kunal%20Tongaria">Kunal Tongaria</a>, <a href="https://publications.waset.org/abstracts/search?q=Abhishek%20Mangal"> Abhishek Mangal</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Mandal"> S. Mandal</a>, <a href="https://publications.waset.org/abstracts/search?q=Devendra%20Mohan"> Devendra Mohan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The carbonation of concrete is a phenomenon which is a function of various interdependent parameters. Therefore, in spite of numerous literature and database, the useful generalization is not an easy task. These interdependent parameters can be grouped under the category of internal and external factors. This paper focuses on the internal parameters which govern and increase the probability of the ingress of deleterious substances into concrete. The mechanism of effects of internal parameters such as microstructure for with and without supplementary cementing materials (SCM), water/binder ratio, the age of concrete etc. has been discussed. This is followed by the comparison of various proposed mathematical models for the deterioration of concrete. Based on existing laboratory experiments as well as field results, this paper concludes the present understanding of mechanism, modeling and future research needs in this field. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carbonation" title="carbonation">carbonation</a>, <a href="https://publications.waset.org/abstracts/search?q=diffusion%20coefficient" title=" diffusion coefficient"> diffusion coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=microstructure%20of%20concrete" title=" microstructure of concrete"> microstructure of concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=reinforced%20concrete" title=" reinforced concrete"> reinforced concrete</a> </p> <a href="https://publications.waset.org/abstracts/57694/a-parametric-study-on-effects-of-internal-factors-on-carbonation-of-reinforced-concrete" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57694.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">408</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">102</span> Biocompatibility and Sensing Ability of Highly Luminescent Synthesized Core-Shell Quantum Dots</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohan%20Singh%20%20Mehata">Mohan Singh Mehata</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20K.%20Ratnesh"> R. K. Ratnesh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> CdSe, CdSe/ZnS, and CdSe/CdS core-shell quantum dots (QDs) of 3-4 nm were developed by using chemical route and following successive ion layer adsorption and reaction (SILAR) methods. The prepared QDs have been examined by using X-ray diffraction, high-resolution electron microscopy and optical spectroscopy. The photoluminescence (PL) quantum yield (QY) of core-shell QDs increases with respect to the core, indicating that the radiative rate increases by the formation of shell around core, as evident by the measurement of PL lifetime. Further, the PL of bovine serum albumin is quenched strongly by the presence of core-shall QDs and follow the Stern-Volmer (S-V) relation, whereas the lifetime does not follow the S-V relation, demonstrating that the observed quenching is predominantly static in nature. Among all the QDs, the CdSe/ZnS QDs shows the least cytotoxicity hence most biocompatibility. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biocompatibility" title="biocompatibility">biocompatibility</a>, <a href="https://publications.waset.org/abstracts/search?q=core-shell%20quantum%20dots" title=" core-shell quantum dots"> core-shell quantum dots</a>, <a href="https://publications.waset.org/abstracts/search?q=photoluminescence%20and%20lifetime" title=" photoluminescence and lifetime"> photoluminescence and lifetime</a>, <a href="https://publications.waset.org/abstracts/search?q=sensing%20ability" title=" sensing ability"> sensing ability</a> </p> <a href="https://publications.waset.org/abstracts/56638/biocompatibility-and-sensing-ability-of-highly-luminescent-synthesized-core-shell-quantum-dots" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/56638.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">236</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">101</span> Streptavidin-Biotin Attachment on Modified Silicon Nanowires</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shalini%20Singh">Shalini Singh</a>, <a href="https://publications.waset.org/abstracts/search?q=Sanjay%20K.%20Srivastava"> Sanjay K. Srivastava</a>, <a href="https://publications.waset.org/abstracts/search?q=Govind"> Govind</a>, <a href="https://publications.waset.org/abstracts/search?q=Mukhtar.%20A.%20Khan"> Mukhtar. A. Khan</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20K.%20Singh"> P. K. Singh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nanotechnology is revolutionizing the development of biosensors. Nanomaterials and nanofabrication technologies are increasingly being used to design novel biosensors. Sensitivity and other attributes of biosensors can be improved by using nanomaterials with unique chemical, physical, and mechanical properties in their construction. Silicon is a promising biomaterial that is non-toxic and biodegradable and can be exploited in chemical and biological sensing. Present study demonstrated the streptavidin–biotin interaction on silicon surfaces with different topographies such as flat and nanostructured silicon (nanowires) surfaces. Silicon nanowires with wide range of surface to volume ratio were prepared by electrochemical etching of silicon wafer. The large specific surface of silicon nanowires can be chemically modified to link different molecular probes (DNA strands, enzymes, proteins and so on), which recognize the target analytes, in order to enhance the selectivity and specificity of the sensor device. The interaction of streptavidin with biotin was carried out on 3-aminopropyltriethoxysilane (APTS) functionalized silicon surfaces. Fourier Transform Infrared Spectroscopy (FTIR) and X-ray Photoelectron Spectroscopy (XPS) studies have been performed to characterize the surface characteristics to ensure the protein attachment. Silicon nanowires showed the enhance protein attachment, as compared to flat silicon surface due to its large surface area and good molecular penetration to its surface. The methodology developed herein could be generalized to a wide range of protein-ligand interactions, since it is relatively easy to conjugate biotin with diverse biomolecules such as antibodies, enzymes, peptides, and nucleotides. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=FTIR" title="FTIR">FTIR</a>, <a href="https://publications.waset.org/abstracts/search?q=silicon%20nanowires" title=" silicon nanowires"> silicon nanowires</a>, <a href="https://publications.waset.org/abstracts/search?q=streptavidin-biotin" title=" streptavidin-biotin"> streptavidin-biotin</a>, <a href="https://publications.waset.org/abstracts/search?q=XPS" title=" XPS"> XPS</a> </p> <a href="https://publications.waset.org/abstracts/34731/streptavidin-biotin-attachment-on-modified-silicon-nanowires" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34731.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">417</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">100</span> Modelling the Effects of External Factors Affecting Concrete Carbonation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abhishek%20Mangal">Abhishek Mangal</a>, <a href="https://publications.waset.org/abstracts/search?q=Kunal%20Tongaria"> Kunal Tongaria</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Mandal"> S. Mandal</a>, <a href="https://publications.waset.org/abstracts/search?q=Devendra%20Mohan"> Devendra Mohan </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Carbonation of reinforced concrete structures has emerged as one of the major challenges for Civil engineers across the world. With increasing emissions from various activities, carbon dioxide concentration in the atmosphere has been eve rising, enhancing its penetration in porous concrete, reaching steel bars and ultimately leading to premature failure. Several literatures have been published dealing with the various interdependent variables related to carbonation. However, with innumerable variability a generalization of these data proves to be a troublesome task. This paper looks into this carbonation anomaly in concrete structures caused by various external variables such as relative humidity, concentration of CO2, curing period and ambient temperature. Significant discussions and comparisons have been presented on the basis of various studies conducted with an aim to predict the depth of carbonation as a function of these multidimensional parameters using various numerical and statistical modelling techniques. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carbonation" title="carbonation">carbonation</a>, <a href="https://publications.waset.org/abstracts/search?q=curing" title=" curing"> curing</a>, <a href="https://publications.waset.org/abstracts/search?q=exposure%20conditions" title=" exposure conditions"> exposure conditions</a>, <a href="https://publications.waset.org/abstracts/search?q=relative%20humidity" title=" relative humidity"> relative humidity</a> </p> <a href="https://publications.waset.org/abstracts/57691/modelling-the-effects-of-external-factors-affecting-concrete-carbonation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57691.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">253</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">99</span> A Review on the Use of Plastic Waste with Viable Materials in Composite Construction Block</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohan%20T.%20Harish">Mohan T. Harish</a>, <a href="https://publications.waset.org/abstracts/search?q=Masson%20Lauriane"> Masson Lauriane</a>, <a href="https://publications.waset.org/abstracts/search?q=Sreevalsa%20Kolathayar"> Sreevalsa Kolathayar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Environmental issues raise alarm in the constructional field which implies a need for exploring new construction materials derived from the waste and residual products. This paper presents a detailed review of the alternatives approaches employed in the construction field using plastic waste in mixture with mixed with fillers. A detailed analysis of the plastic waste used in concrete, with soil, sand, clay and natural residues like sawdust, rice husk etc are presented. The different process carried forward was also discussed along with the scrutiny of the change in mechanical properties. The effect of coupling agents in the proposed mixture has been appraised in detail which gives implications for its future application in the field of plastic waste with viable materials in composite construction blocks. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=plastic%20waste" title="plastic waste">plastic waste</a>, <a href="https://publications.waset.org/abstracts/search?q=composite%20materials" title=" composite materials"> composite materials</a>, <a href="https://publications.waset.org/abstracts/search?q=construction%20block" title=" construction block"> construction block</a>, <a href="https://publications.waset.org/abstracts/search?q=concrete" title=" concrete"> concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20residue" title=" natural residue"> natural residue</a>, <a href="https://publications.waset.org/abstracts/search?q=coupling%20agent" title=" coupling agent"> coupling agent</a> </p> <a href="https://publications.waset.org/abstracts/75029/a-review-on-the-use-of-plastic-waste-with-viable-materials-in-composite-construction-block" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/75029.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">252</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">98</span> Structure and Morphology of Electrodeposited Nickel Nanowires at an Electrode Distance of 20mm</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahendran%20Samykano">Mahendran Samykano</a>, <a href="https://publications.waset.org/abstracts/search?q=Ram%20Mohan"> Ram Mohan</a>, <a href="https://publications.waset.org/abstracts/search?q=Shyam%20Aravamudhan"> Shyam Aravamudhan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this work is to study the effect of two key factors-external magnetic field and applied current density during the template-based electrodeposition of nickel nanowires using an electrode distance of 20 mm. Morphology, length, crystallite size, and crystallographic characterization of the grown nickel nanowires at an electrode distance of 20mm are presented. For this electrode distance of 20 mm, these two key electrodeposition factors when coupled was found to reduce crystallite size with a higher growth length and preferred orientation of Ni crystals. These observed changes can be inferred to be due to coupled interaction forces induced by the intensity of applied electric field (current density) and external magnetic field known as magnetohydrodynamic (MHD) effect during the electrodeposition process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anodic%20alumina%20oxide" title="anodic alumina oxide">anodic alumina oxide</a>, <a href="https://publications.waset.org/abstracts/search?q=electrodeposition" title=" electrodeposition"> electrodeposition</a>, <a href="https://publications.waset.org/abstracts/search?q=nanowires" title=" nanowires"> nanowires</a>, <a href="https://publications.waset.org/abstracts/search?q=nickel" title=" nickel "> nickel </a> </p> <a href="https://publications.waset.org/abstracts/23704/structure-and-morphology-of-electrodeposited-nickel-nanowires-at-an-electrode-distance-of-20mm" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23704.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">279</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">97</span> Application of Lean Manufacturing in Brake Shoe Manufacturing Plant: A Case Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anees%20K.%20Ahamed">Anees K. Ahamed</a>, <a href="https://publications.waset.org/abstracts/search?q=Aakash%20Kumar%20R.%20G."> Aakash Kumar R. G.</a>, <a href="https://publications.waset.org/abstracts/search?q=Raj%20M.%20Mohan"> Raj M. Mohan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The main objective is to apply lean tools to identify and eliminate waste in and among the work stations so as to improve the process speed and quality. From the top seven wastes in the lean concept, we consider the movement of materials, defects, and inventory for the improvement since these cause the major impact on the performance measures. The layout was improved to reduce the movement of materials. It also quantifies the reduction in movement among the work stations. Value stream mapping has been used for identification of waste. Cause and effect diagram and 5W analysis are used to identify the reasons for defects and to provide the counter measures. Some cycle time reduction techniques also proposed to improve the productivity. Lean Audit check sheet was also used to identify the current position of the industry and to identify the gap to make the industry Lean. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cause%20and%20effect%20diagram" title="cause and effect diagram">cause and effect diagram</a>, <a href="https://publications.waset.org/abstracts/search?q=cycle%20time%20reduction" title=" cycle time reduction"> cycle time reduction</a>, <a href="https://publications.waset.org/abstracts/search?q=defects" title=" defects"> defects</a>, <a href="https://publications.waset.org/abstracts/search?q=lean" title=" lean"> lean</a>, <a href="https://publications.waset.org/abstracts/search?q=waste%20reduction" title=" waste reduction"> waste reduction</a> </p> <a href="https://publications.waset.org/abstracts/59590/application-of-lean-manufacturing-in-brake-shoe-manufacturing-plant-a-case-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59590.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">385</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">96</span> Refining Waste Spent Hydroprocessing Catalyst and Their Metal Recovery</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Meena%20Marafi">Meena Marafi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohan%20S.%20Rana"> Mohan S. Rana</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Catalysts play an important role in producing valuable fuel products in petroleum refining; but, due to feedstock’s impurities catalyst gets deactivated with carbon and metal deposition. The disposal of spent catalyst falls under the category of hazardous industrial waste that requires strict agreement with environmental regulations. The spent hydroprocessing catalyst contains Mo, V and Ni at high concentrations that have been found to be economically significant for recovery. Metal recovery process includes deoiling, decoking, grinding, dissolving and treatment with complexing leaching agent such as ethylene diamine tetra acetic acid (EDTA). The process conditions have been optimized as a function of time, temperature and EDTA concentration in presence of ultrasonic agitation. The results indicated that optimum condition established through this approach could recover 97%, 94% and 95% of the extracted Mo, V and Ni, respectively, while 95% EDTA was recovered after acid treatment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=atmospheric%20residue%20desulfurization%20%28ARDS%29" title="atmospheric residue desulfurization (ARDS)">atmospheric residue desulfurization (ARDS)</a>, <a href="https://publications.waset.org/abstracts/search?q=deactivation" title=" deactivation"> deactivation</a>, <a href="https://publications.waset.org/abstracts/search?q=hydrotreating" title=" hydrotreating"> hydrotreating</a>, <a href="https://publications.waset.org/abstracts/search?q=spent%20catalyst" title=" spent catalyst"> spent catalyst</a> </p> <a href="https://publications.waset.org/abstracts/72632/refining-waste-spent-hydroprocessing-catalyst-and-their-metal-recovery" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72632.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">323</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">95</span> Electronic Structure and Optical Properties of YNi₄Si-Type GdNi₅: A Coulomb Corrected Local-Spin Density Approximation Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sapan%20Mohan%20Saini">Sapan Mohan Saini</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this work, we report the calculations on the electronic and optical properties of YNi₄Si-type GdNi₅ compound. Calculations are performed using the full-potential augmented plane wave (FPLAPW) method in the framework of density functional theory (DFT). The Coulomb corrected local-spin density approximation (LSDA+U) in the self-interaction correction (SIC) has been used for exchange-correlation potential. Spin polarised calculations of band structure show that several bands cross the Fermi level (EF) reflect the metallic character. Analysis of density of states (DOS) demonstrates that spin up Gd-f states lie around 7.5 eV below EF and spin down Gd-f lie around 4.5 eV above EF. We found Ni-3d states mainly contribute to DOS from -5.0 eV to the EF. Our calculated results of optical conductivity agree well with the experimental data. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electronic%20structure" title="electronic structure">electronic structure</a>, <a href="https://publications.waset.org/abstracts/search?q=optical%20properties" title=" optical properties"> optical properties</a>, <a href="https://publications.waset.org/abstracts/search?q=FPLAPW%20method" title=" FPLAPW method"> FPLAPW method</a>, <a href="https://publications.waset.org/abstracts/search?q=YNi%E2%82%84Si-type%20GdNi%E2%82%85" title=" YNi₄Si-type GdNi₅"> YNi₄Si-type GdNi₅</a> </p> <a href="https://publications.waset.org/abstracts/107398/electronic-structure-and-optical-properties-of-yni4si-type-gdni5-a-coulomb-corrected-local-spin-density-approximation-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/107398.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">94</span> Performance Analysis of N-Tier Grid Protocol for Resource Constrained Wireless Sensor Networks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jai%20Prakash%20Prasad">Jai Prakash Prasad</a>, <a href="https://publications.waset.org/abstracts/search?q=Suresh%20Chandra%20Mohan"> Suresh Chandra Mohan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Modern wireless sensor networks (WSN) consist of small size, low cost devices which are networked through tight wireless communications. WSN fundamentally offers cooperation, coordination among sensor networks. Potential applications of wireless sensor networks are in healthcare, natural disaster prediction, data security, environmental monitoring, home appliances, entertainment etc. The design, development and deployment of WSN based on application requirements. The WSN design performance is optimized to improve network lifetime. The sensor node resources constrain such as energy and bandwidth imposes the limitation on efficient resource utilization and sensor node management. The proposed N-Tier GRID routing protocol focuses on the design of energy efficient large scale wireless sensor network for improved performance than the existing protocol. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=energy%20efficient" title="energy efficient">energy efficient</a>, <a href="https://publications.waset.org/abstracts/search?q=network%20lifetime" title=" network lifetime"> network lifetime</a>, <a href="https://publications.waset.org/abstracts/search?q=sensor%20networks" title=" sensor networks"> sensor networks</a>, <a href="https://publications.waset.org/abstracts/search?q=wireless%20communication" title=" wireless communication"> wireless communication</a> </p> <a href="https://publications.waset.org/abstracts/43897/performance-analysis-of-n-tier-grid-protocol-for-resource-constrained-wireless-sensor-networks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43897.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">93</span> Load Carrying Capacity of Soils Reinforced with Encased Stone Columns</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=S.%20Chandrakaran">S. Chandrakaran</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Govind"> G. Govind</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Stone columns are effectively used to improve bearing strength of soils and also for many geotechnical applications. In soft soils when stone columns are loaded they undergo large settlements due to insufficient lateral confinement. Use of geosynthetics encasement has proved to be a solution for this problem. In this paper, results of a laboratory experimental study carried out with model stone columns with and without encasement. Sand was used for making test beds, and grain size of soil varies from 0.075mm to 4.75mm. Woven geotextiles produced by Gareware ropes India with mass per unit area of 240gm/M2 and having tensile strength of 52KN/m is used for the present investigation. Tests were performed with large scale direct shear box and also using scaled laboratory plate load tests. Stone column of 50mm and 75mm is used for the present investigation. Diameter of stone column, size of stones used for making stone columns is varied in making stone column in the present study. Two types of stone were used namely small and bigger in size. Results indicate that there is an increase in angle of internal friction and also an increase in the shear strength of soil when stone columns are encased. With stone columns with 50mm dia, an average increase of 7% in shear strength and 4.6 % in angle of internal friction was achieved. When large stones were used increase in the shear strength was 12.2%, and angle of internal friction was increased to 5.4%. When the stone column diameter has increased to 75mm increase in shear strength and angle of internal friction was increased with smaller size of stones to 7.9 and 7.5%, and with large size stones, it was 7.7 and 5.48% respectively. Similar results are obtained in plate load tests, also. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=stone%20columns" title="stone columns">stone columns</a>, <a href="https://publications.waset.org/abstracts/search?q=encasement" title=" encasement"> encasement</a>, <a href="https://publications.waset.org/abstracts/search?q=shear%20strength" title=" shear strength"> shear strength</a>, <a href="https://publications.waset.org/abstracts/search?q=plate%20load%20test" title=" plate load test"> plate load test</a> </p> <a href="https://publications.waset.org/abstracts/76343/load-carrying-capacity-of-soils-reinforced-with-encased-stone-columns" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/76343.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">236</span> </span> </div> 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