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data</title> <meta name="description" content="Search results for: micro data"> <meta name="keywords" content="micro data"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler ml-auto" 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="micro data"> <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> 26596</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: micro data</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">26596</span> Flow inside Micro-Channel Bounded by Superhydrophobic Surface with Eccentric Micro-Grooves</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yu%20Chen">Yu Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Weiwei%20Ren"> Weiwei Ren</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiaojing%20Mu"> Xiaojing Mu</a>, <a href="https://publications.waset.org/abstracts/search?q=Feng%20Zhang"> Feng Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Yi%20Xu"> Yi Xu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The superhydrophobic surface is widely used to reduce friction for the flow inside micro-channel and can be used to control/manipulate fluid, cells and even proteins in lab-on-chip. Fabricating micro grooves on hydrophobic surfaces is a common method to obtain such superhydrophobic surface. This study utilized the numerical method to investigate the effect of eccentric micro-grooves on the friction of flow inside micro-channel. A detailed parametric study was conducted to reveal how the eccentricity of micro-grooves affects the micro-channel flow under different grooves sizes, channel heights, Reynolds number. The results showed that the superhydrophobic surface with eccentric micro-grooves induces less friction than the counter part with aligning micro-grooves, which means requiring less power for pumps. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=eccentricity" title="eccentricity">eccentricity</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-channel" title=" micro-channel"> micro-channel</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-grooves" title=" micro-grooves"> micro-grooves</a>, <a href="https://publications.waset.org/abstracts/search?q=superhydrophobic%20surface" title=" superhydrophobic surface"> superhydrophobic surface</a> </p> <a href="https://publications.waset.org/abstracts/62094/flow-inside-micro-channel-bounded-by-superhydrophobic-surface-with-eccentric-micro-grooves" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/62094.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">331</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">26595</span> Towards the Integration of a Micro Pump in μTAS </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Y.%20Haik">Y. Haik</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this study is to present a micro mechanical pump that was fabricated using SwIFT™ microfabrication surface micromachining process and to demonstrate the feasibility of integrating such micro pump into a micro analysis system. The micropump circulates the bio-sample and magnetic nanoparticles through different compartments to separate and purify the targeted bio-sample. This article reports the flow characteristics in the microchannels and in a crescent micro pump. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=crescent%20micropumps" title="crescent micropumps">crescent micropumps</a>, <a href="https://publications.waset.org/abstracts/search?q=microanalysis" title=" microanalysis"> microanalysis</a>, <a href="https://publications.waset.org/abstracts/search?q=nanoparticles" title=" nanoparticles"> nanoparticles</a>, <a href="https://publications.waset.org/abstracts/search?q=MEMS" title=" MEMS"> MEMS</a> </p> <a href="https://publications.waset.org/abstracts/85432/towards-the-integration-of-a-micro-pump-in-mtas" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85432.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">215</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">26594</span> Sustainable Micro Architecture: A Pattern for Urban Release Areas</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saber%20Fatourechian">Saber Fatourechian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> People within modern cities have faced macro urban values spreads rapidly through current style of living. Unexpected phenomena without any specific features of micro scale, humanity and urban social/cultural patterns. The gap between micro and macro scale is unidentified and people could not recognize where they are especially in the interaction between life and city. Urban life details were verified. Micro architecture is a pattern in which human activity derives from human needs in an unconscious position. Sustainable attitude via micro architecture causes flexibility in decision making through micro urbanism essentially impacts macro scale. In this paper the definition of micro architecture and its relation with city and human activity are argued, there after the interaction between micro and macro scale is presented as an effective way for urban sustainable development. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=micro%20architecture" title="micro architecture">micro architecture</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainability" title=" sustainability"> sustainability</a>, <a href="https://publications.waset.org/abstracts/search?q=human%20activity" title=" human activity"> human activity</a>, <a href="https://publications.waset.org/abstracts/search?q=city" title=" city"> city</a> </p> <a href="https://publications.waset.org/abstracts/34941/sustainable-micro-architecture-a-pattern-for-urban-release-areas" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34941.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">26593</span> Longitudinal Vibration of a Micro-Beam in a Micro-Scale Fluid Media</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Ghanbari">M. Ghanbari</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Hossainpour"> S. Hossainpour</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Rezazadeh"> G. Rezazadeh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, longitudinal vibration of a micro-beam in micro-scale fluid media has been investigated. The proposed mathematical model for this study is made up of a micro-beam and a micro-plate at its free end. An AC voltage is applied to the pair of piezoelectric layers on the upper and lower surfaces of the micro-beam in order to actuate it longitudinally. The whole structure is bounded between two fixed plates on its upper and lower surfaces. The micro-gap between the structure and the fixed plates is filled with fluid. Fluids behave differently in micro-scale than macro, so the fluid field in the gap has been modeled based on micro-polar theory. The coupled governing equations of motion of the micro-beam and the micro-scale fluid field have been derived. Due to having non-homogenous boundary conditions, derived equations have been transformed to an enhanced form with homogenous boundary conditions. Using Galerkin-based reduced order model<strong>,</strong> the enhanced equations have been discretized over the beam and fluid domains and solve simultaneously in order to obtain force response of the micro-beam. Effects of micro-polar parameters of the fluid as characteristic length scale, coupling parameter and surface parameter on the response of the micro-beam have been studied. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=micro-polar%20theory" title="micro-polar theory">micro-polar theory</a>, <a href="https://publications.waset.org/abstracts/search?q=Galerkin%20method" title=" Galerkin method"> Galerkin method</a>, <a href="https://publications.waset.org/abstracts/search?q=MEMS" title=" MEMS"> MEMS</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-fluid" title=" micro-fluid"> micro-fluid</a> </p> <a href="https://publications.waset.org/abstracts/83933/longitudinal-vibration-of-a-micro-beam-in-a-micro-scale-fluid-media" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/83933.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">184</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">26592</span> Effects of Food Habits on Road Accidents Due to Micro-Sleepiness and Analysis of Attitudes to Develop a Food Product as a Preventive Measure </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Rumesh%20Liyanage">Rumesh Liyanage</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20B.%20Nawaratne"> S. B. Nawaratne</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20K.%20D.%20S.%20Ranaweera"> K. K. D. S. Ranaweera</a>, <a href="https://publications.waset.org/abstracts/search?q=Indira%20Wickramasinghe"> Indira Wickramasinghe</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20G.%20S.%20C.%20Katukurunda"> K. G. S. C. Katukurunda</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Study it was attempted to identify an effect of food habits and publics’ attitudes on micro-sleepiness and preventive measures to develop a food product to combat. Statistical data pertaining to road accidents were collected from, Sri Lanka Police Traffic Division and a pre-tested questionnaire was used to collect data from 250 respondents. They were selected representing drivers (especially highway drivers), private and public sector workers (shift based) and cramming students (university and school). Questionnaires were directed to fill independently and personally and collected data were analyzed statistically. Results revealed that 76.84, 96.39 and 80.93% out of total respondents consumed rice for all three meals which lead to ingesting higher glycemic meals. Taking two hyper glycemic meals before 14.00h was identified as a cause of micro-sleepiness within these respondents. Peak level of road accidents were observed at 14.00 - 20.00h (38.2%)and intensity of micro-sleepiness falls at the same time period (37.36%) while 14.00 to 16.00h was the peak time, 16.00 to 18.00h was the least; again 18.00 to 20.00h it reappears slightly. Even though respondents of the survey expressed that peak hours of micro- sleepiness is 14.00-16.00h, according to police reports, peak hours fall in between 18.00-20.00h. Out of the interviewees, 69.27% strongly wanted to avoid micro-sleepiness and intend to spend LKR 10-20 on a commercial product to combat micro sleepiness. As age-old practices to suppress micro-sleepiness are time taken, modern day respondents (51.64%) like to have a quick solution through a drink. Therefore, food habits of morning and noon may cause for micro- sleepiness while dinner may cause for both, natural and micro-sleepiness due to the heavy glycemic load of food. According to the study micro-sleepiness, can be categorized into three zones such as low-risk zone (08.00-10.00h and 18.00-20.00h), manageable zone (10.00-12.00h), and high- risk zone (14.00-16.00h). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=food%20habits" title="food habits">food habits</a>, <a href="https://publications.waset.org/abstracts/search?q=glycemic%20load" title=" glycemic load"> glycemic load</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-sleepiness" title=" micro-sleepiness"> micro-sleepiness</a>, <a href="https://publications.waset.org/abstracts/search?q=road%20accidents" title=" road accidents"> road accidents</a> </p> <a href="https://publications.waset.org/abstracts/35454/effects-of-food-habits-on-road-accidents-due-to-micro-sleepiness-and-analysis-of-attitudes-to-develop-a-food-product-as-a-preventive-measure" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35454.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">543</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">26591</span> Micro-Electrical Discharge Machining (µEDM): Effect of the Electrochemical Etching Parameters on the Fabrication of Cylindrical Tungsten Micro-Tools</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Asmae%20Tafraouti">Asmae Tafraouti</a>, <a href="https://publications.waset.org/abstracts/search?q=Yasmina%20Layouni"> Yasmina Layouni</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The fabrication of cylindrical Tungsten micro-tools with a high aspect ratio is a real challenge because of several constraints that come into during their manufacture. In this paper, we will describe the process used to fabricate these micro-tools. It consists of using electrochemical etching. We will also present the optimal protocol that makes it possible to fabricate micro-tools with a high aspect ratio in a reproducible way. Next, we will show the limit of the experimental parameters chosen to manufacture micro-tools from a wire with an initial diameter of Φ_0=250µm. The protocol used allows obtaining an average diameter of Φ=88µm ±1 µm over a length of L=3.5mm. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=drop-off%20effect" title="drop-off effect">drop-off effect</a>, <a href="https://publications.waset.org/abstracts/search?q=electrochemical%20etching" title=" electrochemical etching"> electrochemical etching</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-electrical%20discharge%20machining" title=" micro-electrical discharge machining"> micro-electrical discharge machining</a>, <a href="https://publications.waset.org/abstracts/search?q=tungsten%20micro-tools" title=" tungsten micro-tools"> tungsten micro-tools</a> </p> <a href="https://publications.waset.org/abstracts/140730/micro-electrical-discharge-machining-edm-effect-of-the-electrochemical-etching-parameters-on-the-fabrication-of-cylindrical-tungsten-micro-tools" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/140730.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">189</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">26590</span> Peak Data Rate Enhancement Using Switched Micro-Macro Diversity in Cellular Multiple-Input-Multiple-Output Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jihad%20S.%20Daba">Jihad S. Daba</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20P.%20Dubois"> J. P. Dubois</a>, <a href="https://publications.waset.org/abstracts/search?q=Yvette%20Antar"> Yvette Antar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> With the exponential growth of cellular users, a new generation of cellular networks is needed to enhance the required peak data rates. The co-channel interference between neighboring base stations inhibits peak data rate increase. To overcome this interference, multi-cell cooperation known as coordinated multipoint transmission is proposed. Such a solution makes use of multiple-input-multiple-output (MIMO) systems under two different structures: Micro- and macro-diversity. In this paper, we study the capacity and bit error rate in cellular networks using MIMO technology. We analyse both micro- and macro-diversity schemes and develop a hybrid model that switches between macro- and micro-diversity in the case of hard handoff based on a cut-off range of signal-to-noise ratio values. We conclude that our hybrid switched micro-macro MIMO system outperforms classical MIMO systems at the cost of increased hardware and software complexity. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cooperative%20multipoint%20transmission" title="cooperative multipoint transmission">cooperative multipoint transmission</a>, <a href="https://publications.waset.org/abstracts/search?q=ergodic%20capacity" title=" ergodic capacity"> ergodic capacity</a>, <a href="https://publications.waset.org/abstracts/search?q=hard%20handoff" title=" hard handoff"> hard handoff</a>, <a href="https://publications.waset.org/abstracts/search?q=macro-diversity" title=" macro-diversity"> macro-diversity</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-diversity" title=" micro-diversity"> micro-diversity</a>, <a href="https://publications.waset.org/abstracts/search?q=multiple-input-multiple%20output%20systems" title=" multiple-input-multiple output systems"> multiple-input-multiple output systems</a>, <a href="https://publications.waset.org/abstracts/search?q=orthogonal%20frequency%20division%20multiplexing" title=" orthogonal frequency division multiplexing"> orthogonal frequency division multiplexing</a> </p> <a href="https://publications.waset.org/abstracts/64999/peak-data-rate-enhancement-using-switched-micro-macro-diversity-in-cellular-multiple-input-multiple-output-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64999.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">26589</span> Assessment of Runway Micro Texture Using Surface Laser Scanners: An Explorative Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gerard%20Van%20Es">Gerard Van Es</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, the use of a high resolution surface laser scanner to assess the micro texture of runway surfaces was investigated experimentally. Micro texture is one of the important surface components that helps to provide high braking friction between aircraft tires and a wet runway surface. Algorithms to derive different parameters that characterise micro texture was developed. Surface scans with a high resolution laser scanner were conducted on 40 different runway (like) surfaces. For each surface micro texture parameters were calculated from the laser scan data. These results were correlated with results obtained from a British pendulum tester that was used on the same surface. Results obtained with the British pendulum tester are generally considered to be indicative for the micro texture related friction characteristics. The results show that a meaningful correlation can be found between different parameters that characterise micro texture obtained with the laser scanner and the British pendulum tester results. Surface laser scanners are easier to operate and give more consistent results than a British pendulum tester. Therefore for airport operators surface laser scanners can be a useful tool to determine if their runway becomes slippery when wet due to a smooth micro texture. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=runway%20friction" title="runway friction">runway friction</a>, <a href="https://publications.waset.org/abstracts/search?q=micro%20texture" title=" micro texture"> micro texture</a>, <a href="https://publications.waset.org/abstracts/search?q=aircraft%20braking%20performance" title=" aircraft braking performance"> aircraft braking performance</a>, <a href="https://publications.waset.org/abstracts/search?q=slippery%20runways" title=" slippery runways"> slippery runways</a> </p> <a href="https://publications.waset.org/abstracts/151466/assessment-of-runway-micro-texture-using-surface-laser-scanners-an-explorative-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/151466.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">121</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">26588</span> Visualization of Flow Behaviour in Micro-Cavities during Micro Injection Moulding</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Reza%20Gheisari">Reza Gheisari</a>, <a href="https://publications.waset.org/abstracts/search?q=Paulo%20J.%20Bartolo"> Paulo J. Bartolo</a>, <a href="https://publications.waset.org/abstracts/search?q=Nicholas%20Goddard"> Nicholas Goddard</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Polymeric micro-cantilevers (Cs) are rapidly becoming popular for MEMS applications such as chemo- and bio-sensing as well as purely electromechanical applications such as microrelays. Polymer materials present suitable physical and chemical properties combined with low-cost mass production. Hence, micro-cantilevers made of polymers indicate much more biocompatibility and adaptability of rapid prototyping along with mechanical properties. This research studies the effects of three process and one size factors on the filling behaviour in micro cavity, and the role of each in the replication of micro parts using different polymer materials i.e. polypropylene (PP) SABIC 56M10 and acrylonitrile butadiene styrene (ABS) Magnum 8434. In particular, the following factors are considered: barrel temperature, mould temperature, injection speed and the thickness of micro features. The study revealed that the barrel temperature and the injection speed are the key factors affecting the flow length of micro features replicated in PP and ABS. For both materials, an increase of feature sizes improves the melt flow. However, the melt fill of micro features does not increase linearly with the increase of their thickness. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flow%20length" title="flow length">flow length</a>, <a href="https://publications.waset.org/abstracts/search?q=micro%20cantilevers" title=" micro cantilevers"> micro cantilevers</a>, <a href="https://publications.waset.org/abstracts/search?q=micro%20injection%20moulding" title=" micro injection moulding"> micro injection moulding</a>, <a href="https://publications.waset.org/abstracts/search?q=microfabrication" title=" microfabrication"> microfabrication</a> </p> <a href="https://publications.waset.org/abstracts/35671/visualization-of-flow-behaviour-in-micro-cavities-during-micro-injection-moulding" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35671.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">395</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">26587</span> Solution to Increase the Produced Power in Micro-Hydro Power Plant</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Radu%20Pop">Radu Pop</a>, <a href="https://publications.waset.org/abstracts/search?q=Adrian%20Bot"> Adrian Bot</a>, <a href="https://publications.waset.org/abstracts/search?q=Vasile%20Rednic"> Vasile Rednic</a>, <a href="https://publications.waset.org/abstracts/search?q=Emil%20Bruj"> Emil Bruj</a>, <a href="https://publications.waset.org/abstracts/search?q=Oana%20Raita"> Oana Raita</a>, <a href="https://publications.waset.org/abstracts/search?q=Liviu%20Vaida"> Liviu Vaida</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Our research presents a study concerning optimization of water flow capture for micro-hydro power plants in order to increase the energy production. It is known that the fish ladder whole, were the water is capture is fix, and the water flow may vary with the river flow, this means that on the fish ladder we will have different servitude flows, sometimes more than needed. We propose to demonstrate that the ‘winter intake’ from micro-hydro power plant, could be automated with an intelligent system which is capable to read some imposed data and adjust the flow in to the needed value. With this automation concept, we demonstrate that the performance of the micro-hydro power plant could increase, in some flow operating regimes, with approx. 10%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=energy" title="energy">energy</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-hydro" title=" micro-hydro"> micro-hydro</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20intake" title=" water intake"> water intake</a>, <a href="https://publications.waset.org/abstracts/search?q=fish%20ladder" title=" fish ladder"> fish ladder</a> </p> <a href="https://publications.waset.org/abstracts/89213/solution-to-increase-the-produced-power-in-micro-hydro-power-plant" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/89213.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">234</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">26586</span> Micro Waqf Banks as an Alternative Financing Micro Business in Indonesia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Achmad%20Muchaddam%20Fahham">Achmad Muchaddam Fahham</a>, <a href="https://publications.waset.org/abstracts/search?q=Sony%20Hendra%20Permana"> Sony Hendra Permana</a> </p> <p class="card-text"><strong>Abstract:</strong></p> For rural communities and micro-entrepreneurs, access to formal financial institutions is very difficult. So, borrowing to moneylenders is the most possible way to fulfill their needs. But actually it does not solve their problems, precisely their problems are increasing because they have to pay at very high-interest rates. For this reason, microfinance institution is very important as a solution for rural communities and micro-entrepreneurs who need loans to fulfill their needs. This paper aims to describe the role of micro waqf banks in Indonesia as an alternative funding for rural communities and micro-entrepreneurs. This research is descriptive using a qualitative approach. The interview technique was also carried out with key informants who understood sharia microfinance institutions. The results of the study revealed that the micro waqf bank is Islamic microfinance institutions which targeted the micro business sector by channeling small financing with a maximum financing of Rp1 million. The funding of this micro waqf bank comes from donors who donate funds through the Amil Zakat institution. The margins imposed on borrowers are as high as 3 percent per year, with payment schemes in installments every week, so it is made easier for borrower. In addition, financing is followed by training and mentoring so that borrower is able to utilize the loan for productive business activities. In the end, it is hoped that this micro waqf bank can become an incubator for micro businesses in Indonesia. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=micro%20business" title="micro business">micro business</a>, <a href="https://publications.waset.org/abstracts/search?q=micro%20waqf%20banks" title=" micro waqf banks"> micro waqf banks</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-entrepreneurs" title=" micro-entrepreneurs"> micro-entrepreneurs</a>, <a href="https://publications.waset.org/abstracts/search?q=Amil%20Zakat%20institution" title=" Amil Zakat institution"> Amil Zakat institution</a> </p> <a href="https://publications.waset.org/abstracts/99847/micro-waqf-banks-as-an-alternative-financing-micro-business-in-indonesia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/99847.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">162</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">26585</span> Small Micro and Medium Enterprises Perception-Based Framework to Access Financial Support</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Melvin%20Mothoa">Melvin Mothoa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Small Micro and Medium Enterprises are very significant for the development of their market economies. They are the main creators of the new working places, and they present a vital core of the market economy in countries across the globe. Access to finance is identified as crucial for small, micro, and medium-sized enterprises for their growth and innovation. This paper is conceived to propose a perception-based SMME framework to aid in access to financial support. Furthermore, the study will address issues that impede SMMEs in South Africa from obtaining finance from financial institutions. The framework will be tested against data collected from 200 Small Micro & Medium Enterprises in the Gauteng province of South Africa. The study adopts a quantitative method, and the delivery of self-administered questionnaires to SMMEs will be the primary data collection tool. Structural equation modeling will be used to further analyse the data collected. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=finance" title="finance">finance</a>, <a href="https://publications.waset.org/abstracts/search?q=small%20business" title=" small business"> small business</a>, <a href="https://publications.waset.org/abstracts/search?q=growth" title=" growth"> growth</a>, <a href="https://publications.waset.org/abstracts/search?q=development" title=" development"> development</a> </p> <a href="https://publications.waset.org/abstracts/166159/small-micro-and-medium-enterprises-perception-based-framework-to-access-financial-support" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/166159.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">111</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">26584</span> Sustainability: Effect of Earthquake in Micro Hydro Sector, a Case Study of Micro Hydro Projects in Northern Part of Kavre District, Nepal</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ram%20Bikram%20Thapa">Ram Bikram Thapa</a>, <a href="https://publications.waset.org/abstracts/search?q=Ganesh%20Lama"> Ganesh Lama</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Micro Hydro is one of the successful technology in Rural Nepal. Kavre is one of the pioneer district of sustainability of Micro Hydro Projects. A total of 30 Micro Hydro projects have been constructed with producing 700 KW of energy in northern side of the Kavre district. This study shows that 67% of projects have been affected by devastating earthquake in April and May, 2015. Out of them 23% are completely damaged. Most of the structures are failure like Penstock 71%, forebay 21%, powerhouse 7% have been completely damaged and 91% Canal & 44% Intake structures have been partially damaged by the earthquake. This paper empathizes that the engineering design is the vital component for sustainability of Micro Hydro Projects. This paper recommended that technicians should be considered the safety factor of earthquake and provision of disaster recovery fund during design of Micro Hydro Projects. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=micro%20hydro" title="micro hydro">micro hydro</a>, <a href="https://publications.waset.org/abstracts/search?q=earthquake" title=" earthquake"> earthquake</a>, <a href="https://publications.waset.org/abstracts/search?q=structural%20failure" title=" structural failure"> structural failure</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainability" title=" sustainability"> sustainability</a> </p> <a href="https://publications.waset.org/abstracts/48351/sustainability-effect-of-earthquake-in-micro-hydro-sector-a-case-study-of-micro-hydro-projects-in-northern-part-of-kavre-district-nepal" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48351.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">348</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">26583</span> Prospects for Building Mobile Micro-Hydro Powerplants with Information Management Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=B.%20S.%20Akhmetov">B. S. Akhmetov</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20T.Kharitonov"> P. T.Kharitonov</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Sh.%20Balgabayeva"> L. Sh. Balgabayeva</a>, <a href="https://publications.waset.org/abstracts/search?q=O.%20V.%20Kisseleva"> O. V. Kisseleva</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20S.%20Kartbayev"> T. S. Kartbayev</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article analyzes the applicability of known renewable energy technical means as mobile power sources under the field and extreme conditions. The requirements are determined for the parameters of mobile micro-HPP. The application prospectively of the mobile micro-HPP with intelligent control systems is proved for this purpose. Variants of low-speed electric generators for micro HPP are given. Variants of designs for mobile micro HPP are presented with the direct (gearless) transfer of torque from the hydraulic drive to the rotor of the electric generator. Variant of the hydraulic drive for micro HPP is described workable at low water flows. A general structure of the micro HPP intelligent system control is offered that implements the principle of maximum energy efficiency. The legitimacy of construction and application of mobile micro HPP is proved as electrical power sources for life safety of people under the field and extreme conditions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mobile%20micro-hydro%20powerplants" title="mobile micro-hydro powerplants">mobile micro-hydro powerplants</a>, <a href="https://publications.waset.org/abstracts/search?q=information%20management%20systems" title=" information management systems"> information management systems</a>, <a href="https://publications.waset.org/abstracts/search?q=hydraulic%20drive" title=" hydraulic drive"> hydraulic drive</a>, <a href="https://publications.waset.org/abstracts/search?q=computer%20science" title=" computer science"> computer science</a> </p> <a href="https://publications.waset.org/abstracts/8559/prospects-for-building-mobile-micro-hydro-powerplants-with-information-management-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8559.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">409</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">26582</span> The Research of Reliability of MEMS Device under Thermal Shock Test in Space Mission</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Liu%20Ziyu">Liu Ziyu</a>, <a href="https://publications.waset.org/abstracts/search?q=Gao%20Yongfeng"> Gao Yongfeng</a>, <a href="https://publications.waset.org/abstracts/search?q=Li%20Muhua"> Li Muhua</a>, <a href="https://publications.waset.org/abstracts/search?q=Zhao%20Jiahao"> Zhao Jiahao</a>, <a href="https://publications.waset.org/abstracts/search?q=Meng%20Song"> Meng Song</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The effect of thermal shock on the operation of micro electromechanical systems (MEMS) were examined. All MEMS device were tested before and after three different conditions of thermal shock (from -55℃ to 85℃, from -65℃ to 125℃, from -65℃ to 200℃). The micro lens showed no changes after thermal shock, which shows that the design of the micro lens can be well adapted to the application environment in the space. The design of the micro mirror can be well adapted to the space application environment. The micro-magnetometer, RF MEMS switch and the micro accelerometer exhibited degradation and parameter drift after thermal shock, potential mechanical was proposed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=MEMS" title="MEMS">MEMS</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20shock%20test" title=" thermal shock test"> thermal shock test</a>, <a href="https://publications.waset.org/abstracts/search?q=reliability" title=" reliability"> reliability</a>, <a href="https://publications.waset.org/abstracts/search?q=space%20environment" title=" space environment"> space environment</a> </p> <a href="https://publications.waset.org/abstracts/41898/the-research-of-reliability-of-mems-device-under-thermal-shock-test-in-space-mission" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/41898.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">590</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">26581</span> Effect of Micro Credit Access on Poverty Reduction among Small Scale Women Entrepreneurs in Ondo State, Nigeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Adewale%20Oladapo">Adewale Oladapo</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20A.%20Afolami"> C. A. Afolami</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The study analyzed the effect of micro credit access on poverty reduction among small scale women entrepreneurs in Ondo state, Nigeria. Primary data were collected in a cross-sectional survey of 100 randomly selected woman entrepreneurs. These were drawn in multistage sampling process covering four local government areas (LGAS). Data collected include socio economics characteristics of respondents, access to micro credit, sources of micro credit, and constraints faced by the entrepreneur in sourcing for micro credit. Data were analyzed using descriptive statistics, Foster, Greer and Thorbecke (FGT) index of poverty measure, Gini coefficients and probit regression analysis. The study found that respondents sampled for the survey were within the age range of 31-40 years with mean age 38.6%. Mostly (56.0%) of the respondents were educated to the tune of primary school. Majority (87.0%) of the respondents were married with fairly large household size of (4-5). The poverty index analysis revealed that most (67%) of the sample respondents were poor. The result of the Probit regression analyzed showed that income was a significant variable in micro credit access, while the result of the Gini coefficient revealed a very high income inequality among the respondents. The study concluded that most of the respondents were poor and return on investment (income) was an important variable that increased the chance of respondents in sourcing for micro-credit loan and recommended that income realized by entrepreneur should be properly documented to facilitate loan accessibility. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=entrepreneurs" title="entrepreneurs">entrepreneurs</a>, <a href="https://publications.waset.org/abstracts/search?q=income" title=" income"> income</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-credit" title=" micro-credit"> micro-credit</a>, <a href="https://publications.waset.org/abstracts/search?q=poverty" title=" poverty"> poverty</a> </p> <a href="https://publications.waset.org/abstracts/110915/effect-of-micro-credit-access-on-poverty-reduction-among-small-scale-women-entrepreneurs-in-ondo-state-nigeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/110915.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">128</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">26580</span> Modeling and Optimization of Micro-Grid Using Genetic Algorithm</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mehrdad%20Rezaei">Mehrdad Rezaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Haghmaram"> Reza Haghmaram</a>, <a href="https://publications.waset.org/abstracts/search?q=Nima%20Amjadi"> Nima Amjadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper proposes an operating and cost optimization model for micro-grid (MG). This model takes into account emission costs of NOx, SO2, and CO2, together with the operation and maintenance costs. Wind turbines (WT), photovoltaic (PV) arrays, micro turbines (MT), fuel cells (FC), diesel engine generators (DEG) with different capacities are considered in this model. The aim of the optimization is minimizing operation cost according to constraints, supply demand and safety of the system. The proposed genetic algorithm (GA), with the ability to fine-tune its own settings, is used to optimize the micro-grid operation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=micro-grid" title="micro-grid">micro-grid</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=genetic%20algorithm" title=" genetic algorithm"> genetic algorithm</a>, <a href="https://publications.waset.org/abstracts/search?q=MG" title=" MG"> MG</a> </p> <a href="https://publications.waset.org/abstracts/10259/modeling-and-optimization-of-micro-grid-using-genetic-algorithm" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10259.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">26579</span> Micro-Oscillator: Passive Production and Manipulation of Microdrops</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khelfaoui%20Rachid">Khelfaoui Rachid</a>, <a href="https://publications.waset.org/abstracts/search?q=Chekifi%20Tawfiq"> Chekifi Tawfiq</a>, <a href="https://publications.waset.org/abstracts/search?q=Dennai%20Brahim"> Dennai Brahim</a>, <a href="https://publications.waset.org/abstracts/search?q=Maazouzi%20A.%20Hak"> Maazouzi A. Hak</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A numerical and experimental studies of passive micro drops production have been presented. This paper focuses on the modeling of micro-oscillators systems which are composed by passive amplifier without moving part. The micro-system modeling is based on geometrical oscillators form. An asymmetric micro-oscillator design that is based on a bistable fluidic amplifier is proposed. The characteristic size of the channels is generally about 35 microns of depth. The numerical results indicate that the production and manipulation of microdrops are possible with passive device within a typical oscillators chamber of 2.25 mm diameter and 0.20 mm length when the Reynolds number is Re = 490. The novel micro drops method that is presented in this study provides a simple solution about the production of microdrops problems in micro system. We undertake an experimental step. The first part is based on the realisation of sample oscillator; the second part is consisted of visualization, production and manipulation of microdrops. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=modelling" title="modelling">modelling</a>, <a href="https://publications.waset.org/abstracts/search?q=miscible" title=" miscible"> miscible</a>, <a href="https://publications.waset.org/abstracts/search?q=micro%20drops" title=" micro drops"> micro drops</a>, <a href="https://publications.waset.org/abstracts/search?q=production" title=" production"> production</a>, <a href="https://publications.waset.org/abstracts/search?q=oscillator%20sample" title=" oscillator sample"> oscillator sample</a>, <a href="https://publications.waset.org/abstracts/search?q=capillary" title=" capillary"> capillary</a> </p> <a href="https://publications.waset.org/abstracts/14075/micro-oscillator-passive-production-and-manipulation-of-microdrops" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14075.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">378</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">26578</span> The Interleaving Effect of Subject Matter and Perceptual Modality on Students’ Attention and Learning: A Portable EEG Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wen%20Chen">Wen Chen</a> </p> <p class="card-text"><strong>Abstract:</strong></p> To investigate the interleaving effect of subject matter (mathematics vs. history) and perceptual modality (visual vs. auditory materials) on student’s attention and learning outcomes, the present study collected self-reported data on subjective cognitive load (SCL) and attention level, EEG data, and learning outcomes from micro-lectures. Eighty-one 7th grade students were randomly assigned to four learning conditions: blocked (by subject matter) micro-lectures with auditory textual information (B-A condition), blocked (by subject matter) micro-lectures with visual textual information (B-V condition), interleaved (by subject matter) micro-lectures with auditory textual information (I-A condition), and interleaved micro-lectures by both perceptual modality and subject matter (I-all condition). The results showed that although interleaved conditions may show advantages in certain indices, the I-all condition showed the best overall outcomes (best performance, low SCL, and high attention). This study suggests that interleaving by both subject matter and perceptual modality should be preferred in scheduling and planning classes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cognitive%20load" title="cognitive load">cognitive load</a>, <a href="https://publications.waset.org/abstracts/search?q=interleaving%20effect" title=" interleaving effect"> interleaving effect</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-lectures" title=" micro-lectures"> micro-lectures</a>, <a href="https://publications.waset.org/abstracts/search?q=sustained%20attention" title=" sustained attention"> sustained attention</a> </p> <a href="https://publications.waset.org/abstracts/105780/the-interleaving-effect-of-subject-matter-and-perceptual-modality-on-students-attention-and-learning-a-portable-eeg-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/105780.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">137</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">26577</span> Study on the Relationship between the Emission Property of Barium-Tungsten Cathode and Micro-Area Activity</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zhen%20Qin">Zhen Qin</a>, <a href="https://publications.waset.org/abstracts/search?q=Yufei%20Peng"> Yufei Peng</a>, <a href="https://publications.waset.org/abstracts/search?q=Jianbei%20Li"> Jianbei Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Jidong%20Long"> Jidong Long</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to study the activity of the coated aluminate barium-tungsten cathodes during activation, aging, poisoning and long-term use. Through a set of hot-cathode micro-area emission uniformity study device, we tested the micro-area emission performance of the cathode under different conditions. The change of activity of cathode micro-area was obtained. The influence of micro-area activity on the performance of the cathode was explained by the ageing model of barium-tungsten cathode. This helps to improve the design and process of the cathode and can point the way in finding the factors that affect life in the cathode operation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=barium-tungsten%20cathode" title="barium-tungsten cathode">barium-tungsten cathode</a>, <a href="https://publications.waset.org/abstracts/search?q=ageing%20model" title=" ageing model"> ageing model</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-area%20emission" title=" micro-area emission"> micro-area emission</a>, <a href="https://publications.waset.org/abstracts/search?q=emission%20uniformity" title=" emission uniformity"> emission uniformity</a> </p> <a href="https://publications.waset.org/abstracts/64095/study-on-the-relationship-between-the-emission-property-of-barium-tungsten-cathode-and-micro-area-activity" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/64095.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">26576</span> Successes on in vitro Isolated Microspores Embryogenesis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zelikha%20Labbani">Zelikha Labbani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The In Vitro isolated micro spore culture is the most powerful androgenic pathway to produce doubled haploid plants in the short time. To deviate a micro spore toward embryogenesis, a number of factors, different for each species, must concur at the same time and place. Once induced, the micro spore undergoes numerous changes at different levels, from overall morphology to gene expression. Induction of micro spore embryogenesis not only implies the expression of an embryogenic program, but also a stress-related cellular response and a repression of the gametophytic program to revert the microspore to a totipotent status. As haploid single cells, micro spore became a strategy to achieve various objectives particularly in genetic engineering. In this study we would show the most recent advances in the producing haploid embryos via In Vitro isolated micro spore culture. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=haploid%20cells" title="haploid cells">haploid cells</a>, <a href="https://publications.waset.org/abstracts/search?q=In%20Vitro%20isolated%20microspore%20culture" title=" In Vitro isolated microspore culture"> In Vitro isolated microspore culture</a>, <a href="https://publications.waset.org/abstracts/search?q=success" title=" success"> success</a> </p> <a href="https://publications.waset.org/abstracts/26693/successes-on-in-vitro-isolated-microspores-embryogenesis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/26693.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">615</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">26575</span> Static and Dynamic Analysis of Timoshenko Microcantilever Using the Finite Element Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Tahmasebipour">Mohammad Tahmasebipour</a>, <a href="https://publications.waset.org/abstracts/search?q=Hosein%20Salarpour"> Hosein Salarpour</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Micro cantilevers are one of the components used in the manufacture of micro-electromechanical systems. Epoxy microcantilevers have a variety of applications in the manufacture of micro-sensors and micro-actuators. In this paper, the Timoshenko Micro cantilever was statically and dynamically analyzed using the finite element method. First, all boundary conditions and initial conditions governing micro cantilevers were considered. The effect of size on the deflection, angle of rotation, natural frequencies, and mode shapes were then analyzed and evaluated under different frequencies. It was observed that an increased micro cantilever thickness reduces the deflection, rotation, and resonant frequency. A good agreement was observed between our results and those obtained by the couple stress theory, the classical theory, and the strain gradient elasticity theory. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=microcantilever" title="microcantilever">microcantilever</a>, <a href="https://publications.waset.org/abstracts/search?q=microsensor%3B%20epoxy" title=" microsensor; epoxy"> microsensor; epoxy</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic%20behavior" title=" dynamic behavior"> dynamic behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=static%20behavior" title=" static behavior"> static behavior</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20method" title=" finite element method"> finite element method</a> </p> <a href="https://publications.waset.org/abstracts/28159/static-and-dynamic-analysis-of-timoshenko-microcantilever-using-the-finite-element-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28159.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">416</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">26574</span> Micro-Filtration with an Inorganic Membrane</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Benyamina">Benyamina</a>, <a href="https://publications.waset.org/abstracts/search?q=Ouldabess"> Ouldabess</a>, <a href="https://publications.waset.org/abstracts/search?q=Bensalah"> Bensalah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study is to use membrane technique for filtration of a coloring solution. the preparation of the micro-filtration membranes is based on a natural clay powder with a low cost, deposited on macro-porous ceramic supports. The micro-filtration membrane provided a very large permeation flow. Indeed, the filtration effectiveness of membrane was proved by the total discoloration of bromothymol blue solution with initial concentration of 10-3 mg/L after the first minutes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=the%20inorganic%20membrane" title="the inorganic membrane">the inorganic membrane</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-filtration" title=" micro-filtration"> micro-filtration</a>, <a href="https://publications.waset.org/abstracts/search?q=coloring%20solution" title=" coloring solution"> coloring solution</a>, <a href="https://publications.waset.org/abstracts/search?q=natural%20clay%20powder" title=" natural clay powder"> natural clay powder</a> </p> <a href="https://publications.waset.org/abstracts/25743/micro-filtration-with-an-inorganic-membrane" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25743.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">513</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">26573</span> Micro-CT Assessment of Fracture Healing in Androgen-Deficient Osteoporosis Model</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20N.%20Shuid">Ahmad N. Shuid</a>, <a href="https://publications.waset.org/abstracts/search?q=Azri%20Jalil"> Azri Jalil</a>, <a href="https://publications.waset.org/abstracts/search?q=Sabarul%20A.%20Mokhtar"> Sabarul A. Mokhtar</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohd%20F.%20Khamis"> Mohd F. Khamis</a>, <a href="https://publications.waset.org/abstracts/search?q=Norliza%20Muhammad"> Norliza Muhammad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Micro-CT provides a 3-D image of fracture callus, which can be used to calculate quantitative parameters. In this study, micro-CT was used to assess the fracture healing of orchidectomised rats, an androgen-deficient osteoporosis model. The effect of testosterone (hormone replacement) on fracture healing was also assessed with micro-CT. The rats were grouped into orchidectomised-control (ORX), sham-operated (SHAM), and orchidectomised; and injected with testosterone intramuscularly once weekly (TEN). Treatment duration was six weeks. The fracture was induced and fixed with plates and screws in the right tibia of all the rats. An in vitro micro-CT was used to scan the fracture callus area which consisted of 100 axial slices above and below fracture line. The analysis has shown that micro-CT was able to detect a significant difference in the fracture healing rate of ORX and TEN groups. In conclusion, micro-CT can be used to assess fracture healing in androgen-deficient osteoporosis. This imaging tool can be used to test agents that influence fracture healing in the androgen-deficient model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=androgen" title="androgen">androgen</a>, <a href="https://publications.waset.org/abstracts/search?q=fracture" title=" fracture"> fracture</a>, <a href="https://publications.waset.org/abstracts/search?q=orchidectomy" title=" orchidectomy"> orchidectomy</a>, <a href="https://publications.waset.org/abstracts/search?q=osteoporosis" title=" osteoporosis "> osteoporosis </a> </p> <a href="https://publications.waset.org/abstracts/33626/micro-ct-assessment-of-fracture-healing-in-androgen-deficient-osteoporosis-model" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33626.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">545</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">26572</span> Micro Grids, Solution to Power Off-Grid Areas in Pakistan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Naveed%20Iqbal">M. Naveed Iqbal</a>, <a href="https://publications.waset.org/abstracts/search?q=Sheza%20Fatima"> Sheza Fatima</a>, <a href="https://publications.waset.org/abstracts/search?q=Noman%20Shabbir"> Noman Shabbir</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the presence of energy crisis in Pakistan, off-grid remote areas are not on priority list. The use of new large scale coal fired power plants will also make this situation worst. Therefore, the greatest challenge in our society is to explore new ways to power off grid remote areas with renewable energy sources. It is time for a sustainable energy policy which puts consumers, the environment, human health, and peace first. The renewable energy is one of the biggest growing sectors of the energy industry. Therefore, the large scale use of micro grid is thus described here with modeling, simulation, planning and operating of the micro grid. The goal of this research paper is to go into detail of a library of major components of micro grid. The introduction will go through the detail view of micro grid definition. Then, the simulation of Micro Grid in MATLAB/ Simulink including the Photo Voltaic Cell will be described with the detailed modeling. The simulation with the design and modeling will be introduced too. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=micro%20grids" title="micro grids">micro grids</a>, <a href="https://publications.waset.org/abstracts/search?q=distribution%20generation" title=" distribution generation"> distribution generation</a>, <a href="https://publications.waset.org/abstracts/search?q=PV" title=" PV"> PV</a>, <a href="https://publications.waset.org/abstracts/search?q=off-grid%20operations" title=" off-grid operations"> off-grid operations</a> </p> <a href="https://publications.waset.org/abstracts/48418/micro-grids-solution-to-power-off-grid-areas-in-pakistan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48418.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">312</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">26571</span> A Technical Solution for Micro Mixture with Micro Fluidic Oscillator in Chemistry</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Brahim%20Dennai">Brahim Dennai</a>, <a href="https://publications.waset.org/abstracts/search?q=Abdelhak%20Bentaleb"> Abdelhak Bentaleb</a>, <a href="https://publications.waset.org/abstracts/search?q=Rachid%20Khelfaoui"> Rachid Khelfaoui</a>, <a href="https://publications.waset.org/abstracts/search?q=Asma%20Abdenbi"> Asma Abdenbi </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The diffusion flux given by the Fick’s law characterizethe mixing rate. A passive mixing strategy is proposed to enhance mixing of two fluids through perturbed jet low. A numerical study of passive mixers has been presented. This paper is focused on the modeling of a micro-injection systems composed of passive amplifier without mechanical part. The micro-system modeling is based on geometrical oscillators form. An asymmetric micro-oscillator design based on a monostable fluidic amplifier is proposed. The characteristic size of the channels is generally about a few hundred of microns. The numerical results indicate that the mixing performance can be as high as 99 % within a typical mixing chamber of 0.20 mm diameter inlet and 2.0 mm distance of nozzle - spliter. In addition, the results confirm that self-rotation in the circular mixer significantly enhances the mixing performance. The novel micro mixing method presented in this study provides a simple solution to mixing problems in microsystem for application in chemistry. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=micro%20oscillator" title="micro oscillator">micro oscillator</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=micro%20mixture" title=" micro mixture"> micro mixture</a>, <a href="https://publications.waset.org/abstracts/search?q=diffusion" title=" diffusion"> diffusion</a>, <a href="https://publications.waset.org/abstracts/search?q=size%20effect" title=" size effect"> size effect</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20equation" title=" chemical equation"> chemical equation</a> </p> <a href="https://publications.waset.org/abstracts/19864/a-technical-solution-for-micro-mixture-with-micro-fluidic-oscillator-in-chemistry" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/19864.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">430</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">26570</span> Experimental Investigation to Produce an Optimum Mix Ratio of Micro-Concrete</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shofiq%20Ahmed">Shofiq Ahmed</a>, <a href="https://publications.waset.org/abstracts/search?q=Rakibul%20Hassan"> Rakibul Hassan</a>, <a href="https://publications.waset.org/abstracts/search?q=Raquib%20Ahsan"> Raquib Ahsan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Concrete is one of the basic elements of RCC structure and also the most crucial one. In recent years, a lot of researches have been conducted to develop special types of concrete for special purposes. Micro-concrete is one of them which has high compressive strength and is mainly used for retrofitting. Micro-concrete is a cementitious based composition formulated for use in repairs of areas where the concrete is damaged & the area is confined in movement making the placement of conventional concrete difficult. According to recent statistics, a large number of structures in the major cities of Bangladesh are vulnerable to collapse. Retrofitting may thus be required for a sustainable solution, and for this purpose, the utilization of micro-concrete can be considered as the most effective solution. For that reason, the aim of this study was to produce micro-concrete using indigenous materials in low cost. Following this aim, the experimental data were observed for five mix ratios with varied amount of cement, fine aggregate, coarse aggregate, water, and admixture. The investigation criteria were a compressive strength, tensile strength, slump and the cost of different mix ratios. Finally, for a mix ratio of 1:1:1.5, the compressive strength was achieved as 7820 psi indicating highest strength among all the samples with the reasonable tensile strength of 1215 psi. The slump of 6.9 inches was also found for this specimen indicating it’s high flowability and making it’s convenient to use as micro-concrete. Moreover, comparing with the cost of foreign products of micro-concrete, it was observed that foreign products were almost four to five times costlier than this local product. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=indigenous" title="indigenous">indigenous</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-concrete" title=" micro-concrete"> micro-concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=retrofitting" title=" retrofitting"> retrofitting</a>, <a href="https://publications.waset.org/abstracts/search?q=vulnerable" title=" vulnerable"> vulnerable</a> </p> <a href="https://publications.waset.org/abstracts/66464/experimental-investigation-to-produce-an-optimum-mix-ratio-of-micro-concrete" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/66464.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">327</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">26569</span> Influence of Vegetable Oil-Based Controlled Cutting Fluid Impinging Supply System on Micro Hardness in Machining of Ti-6Al-4V</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Salah%20Gariani">Salah Gariani</a>, <a href="https://publications.waset.org/abstracts/search?q=Islam%20Shyha"> Islam Shyha</a>, <a href="https://publications.waset.org/abstracts/search?q=Fawad%20Inam"> Fawad Inam</a>, <a href="https://publications.waset.org/abstracts/search?q=Dehong%20Huo"> Dehong Huo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A controlled cutting fluid impinging supply system (CUT-LIST) was developed to deliver an accurate amount of cutting fluid into the machining zone via well-positioned coherent nozzles based on a calculation of the heat generated. The performance of the CUT-LIST was evaluated against a conventional flood cutting fluid supply system during step shoulder milling of Ti-6Al-4V using vegetable oil-based cutting fluid. In this paper, the micro-hardness of the machined surface was used as the main criterion to compare the two systems. CUT-LIST provided significant reductions in cutting fluid consumption (up to 42%). Both systems caused increased micro-hardness value at 100 µm from the machined surface, whereas a slight reduction in micro-hardness of 4.5% was measured when using CUL-LIST. It was noted that the first 50 µm is the soft sub-surface promoted by thermal softening, whereas down to 100 µm is the hard sub-surface caused by the cyclic internal work hardening and then gradually decreased until it reached the base material nominal hardness. It can be concluded that the CUT-LIST has always given lower micro-hardness values near the machined surfaces in all conditions investigated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=impinging%20supply%20system" title="impinging supply system">impinging supply system</a>, <a href="https://publications.waset.org/abstracts/search?q=micro-hardness" title=" micro-hardness"> micro-hardness</a>, <a href="https://publications.waset.org/abstracts/search?q=shoulder%20milling" title=" shoulder milling"> shoulder milling</a>, <a href="https://publications.waset.org/abstracts/search?q=Ti-6Al-4V" title=" Ti-6Al-4V"> Ti-6Al-4V</a>, <a href="https://publications.waset.org/abstracts/search?q=vegetable%20oil-based%20cutting%20fluid" title=" vegetable oil-based cutting fluid"> vegetable oil-based cutting fluid</a> </p> <a href="https://publications.waset.org/abstracts/67354/influence-of-vegetable-oil-based-controlled-cutting-fluid-impinging-supply-system-on-micro-hardness-in-machining-of-ti-6al-4v" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67354.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">286</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">26568</span> An In-Situ Integrated Micromachining System for Intricate Micro-Parts Machining</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shun-Tong%20Chen">Shun-Tong Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=Wei-Ping%20Huang"> Wei-Ping Huang</a>, <a href="https://publications.waset.org/abstracts/search?q=Hong-Ye%20Yang"> Hong-Ye Yang</a>, <a href="https://publications.waset.org/abstracts/search?q=Ming-Chieh%20Yeh"> Ming-Chieh Yeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Chih-Wei%20Du"> Chih-Wei Du</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study presents a novel versatile high-precision integrated micromachining system that combines contact and non-contact micromachining techniques to machine intricate micro-parts precisely. Two broad methods of micro fabrication-1) volume additive (micro co-deposition), and 2) volume subtractive (nanometric flycutting, ultrafine w-EDM (wire Electrical Discharge Machining), and micro honing) - are integrated in the developed micromachining system, and their effectiveness is verified. A multidirectional headstock that supports various machining orientations is designed to evaluate the feasibility of multifunctional micromachining. An exchangeable working-tank that allows for various machining mechanisms is also incorporated into the system. Hence, the micro tool and workpiece need not be unloaded or repositioned until all the planned tasks have been completed. By using the designed servo rotary mechanism, a nanometric flycutting approach with a concentric rotary accuracy of 5-nm is constructed and utilized with the system to machine a diffraction-grating element with a nano-metric scale V-groove array. To improve the wear resistance of the micro tool, the micro co-deposition function is used to provide a micro-abrasive coating by an electrochemical method. The construction of ultrafine w-EDM facilitates the fabrication of micro slots with a width of less than 20-µm on a hardened tool. The hardened tool can thus be employed as a micro honing-tool to hone a micro hole with an internal diameter of 200 µm on SKD-11 molded steel. Experimental results prove that intricate micro-parts can be in-situ manufactured with high-precision by the developed integrated micromachining system. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=integrated%20micromachining%20system" title="integrated micromachining system">integrated micromachining system</a>, <a href="https://publications.waset.org/abstracts/search?q=in-situ%20micromachining" title=" in-situ micromachining"> in-situ micromachining</a>, <a href="https://publications.waset.org/abstracts/search?q=nanometric%20flycutting" title=" nanometric flycutting"> nanometric flycutting</a>, <a href="https://publications.waset.org/abstracts/search?q=ultrafine%20w-EDM" title=" ultrafine w-EDM"> ultrafine w-EDM</a>, <a href="https://publications.waset.org/abstracts/search?q=micro%20honing" title=" micro honing"> micro honing</a> </p> <a href="https://publications.waset.org/abstracts/11442/an-in-situ-integrated-micromachining-system-for-intricate-micro-parts-machining" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11442.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">410</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">26567</span> Study on Fabrication of Surface Functional Micro and Nanostructures by Femtosecond Laser</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Shengzhu%20Cao">Shengzhu Cao</a>, <a href="https://publications.waset.org/abstracts/search?q=Hui%20Zhou"> Hui Zhou</a>, <a href="https://publications.waset.org/abstracts/search?q=Gan%20Wu"> Gan Wu</a>, <a href="https://publications.waset.org/abstracts/search?q=Lanxi%20Wanhg"> Lanxi Wanhg</a>, <a href="https://publications.waset.org/abstracts/search?q=Kaifeng%20Zhang"> Kaifeng Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Rui%20Wang"> Rui Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=Hu%20Wang"> Hu Wang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The functional micro and nanostructures, which can endow material surface with unique properties such as super-absorptance, hydrophobic and drag reduction. Recently, femtosecond laser ablation has been demonstrated to be a promising technology for surface functional micro and nanostructures fabrication. In this paper, using femtosecond laser ablation processing technique, we fabricated functional micro and nanostructures on Ti and Al alloy surfaces, test results showed that processed surfaces have 82%~96% absorptance over a broad wavelength range from ultraviolet to infrared. The surface function properties, which determined by micro and nanostructures, could be modulated by variation laser parameters. These functional surfaces may find applications in such areas as photonics, plasmonics, spaceborne devices, thermal radiation sources, solar energy absorbers and biomedicine. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=surface%20functional" title="surface functional">surface functional</a>, <a href="https://publications.waset.org/abstracts/search?q=micro%20and%20nanostructures" title=" micro and nanostructures"> micro and nanostructures</a>, <a href="https://publications.waset.org/abstracts/search?q=femtosecond%20laser" title=" femtosecond laser"> femtosecond laser</a>, <a href="https://publications.waset.org/abstracts/search?q=ablation" title=" ablation"> ablation</a> </p> <a href="https://publications.waset.org/abstracts/61480/study-on-fabrication-of-surface-functional-micro-and-nanostructures-by-femtosecond-laser" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61480.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">368</span> </span> </div> </div> <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=micro%20data&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=micro%20data&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=micro%20data&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=micro%20data&page=5">5</a></li> <li class="page-item"><a class="page-link" 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