نتایج جستجو برای: flow ability

تعداد نتایج: 882707  

2012
Richelle L. Oakley

History has shown that local, state, and federal governments are not well-equipped with the flexible and responsive abilities necessary to manage the short supply chain life-cycle inherent in providing appropriate disaster relief resources in a timely fashion. Unfortunately, in these unique situations these inefficiencies can cause considerable harm to the citizenry, the financial economy, and ...

Journal: :Journal of the Royal Society, Interface 2013
Christian Klopsch Hendrik C Kuhlmann Friedrich G Barth

When hungry, the wandering spider Cupiennius salei is frequently seen to catch flying insect prey. The success of its remarkable prey-capture jump from its sitting plant into the air obviously depends on proper timing and sensory guidance. In this study, it is shown that particular features of the airflow generated by the insect suffice to guide the spider. Vision and the reception of substrate...

2016
Dolores Reyes Raúl E. Alcalá Dulce Arias Marcela Osorio-Beristain

—Because of their high dispersal abilities, birds are expected to manifest marked genetic structuring only at relatively large geographic scales. However, it is not well known how factors like nest site fidelity in a largely resident species could limit gene flow and increase genetic structuring in birds. In this study we use RAPD markers to estimate genetic structuring in a strongly sedentary ...

2004
Michael Wilson

This position paper considers the varying applications within intelligent virtual worlds for which the illusion of intelligence should be maintained without introducing expectations beyond the systems abilities. A set of applications is identified where control should be passed from autonomous avatars to a human control operator in some interaction intensive situations in order to provide suffi...

2005
William Hunt

iii This dissertation is dedicated to two fantastic women:-my mother, for teaching me the value of education, and her endless support and encouragement and-my wife, for her tolerance and patience with such an imperfect husband, and her dedication to me and our children I dearly love you both! iv ACKNOWLEDGEMENTS First, I would like to thank my advisor, Dr. A. Bruno Frazier, who has been the mos...

2009
Shing-Tung Yau

In this sequel to [L-Y1], [L-L-S-Y], and [L-Y2] (respectively arXiv:0709.1515 [math.AG], arXiv:0809.2121 [math.AG], and arXiv:0901.0342 [math.AG]), we study a D-brane probe on a conifold from the viewpoint of the Azumaya structure on D-branes and toric geometry. The details of how deformations and resolutions of the standard toric conifold Y can be obtained via morphisms from Azumaya points are...

Journal: :journal of water sciences research 2011
m akbari k solaimani m mahdavi m habibnejhad

ecosystem of arid and semiarid regions of the world, much of the country lies in the sensitive and fragile environment canvases are that factors in the extinction and destruction are easily destroyed in this paper, artificial neural networks (anns) are introduced to obtain improved regional low-flow estimates at ungauged sites. a multilayer perceptron (mlp) network is used to identify the funct...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی (نوشیروانی) بابل - دانشکده مهندسی عمران 1392

نیترات از مهم ترین منابع نیتروژنی مورد استفاده گیاهان است که به صورت طبیعی در خاک، آب، گیاه، آب های سطحی، محصولات کشاورزی و فضولات دامی وجود دارد و می تواند از طریق استفاده از کودهای حیوانی یا شیمیایی به خاک اضافه گردد. در این مطالعه از گیاه نی برای کاهش یا حذف آلاینده نیترات از آب در مقیاس آزمایشگاهی استفاده شد. برای انجام این تحقیق از دو سری راکتور استفاده شد. مرحله اول شامل راکتور حاوی گونه ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده کشاورزی 1393

سرریز یکی از سازه های هیدرولیکی وابسته سد برای کنترل سطح آب مخزن و تخلیه سیلاب است. هدف اصلی در تحقیق حاضر، شبیه سازی عددی جریان بر روی سرریز ogeeبا استفاده از مدل ریاضی flow-3d بوده است. رودخانه نازلو یکی از مهم ترین رودخانه های غربی حوضه دریاچه ارومیه است. سد مخزنی نازلو در شمال باختری ارومیه بر رودخانه نازلو احداث می گردد. مدل فیزیکی سرریز سد مخزنی نازلو با مقیاس 1:40 در موسسه تحقیقات آب وزا...

Journal: :Philosophical transactions. Series A, Mathematical, physical, and engineering sciences 2011
Dennis Weiss Jan Lienemann Andreas Greiner David Kauzlarić Jan G Korvink

Forced oscillations in sessile droplets can be exploited in electrowetting mixing of fluid fractions. The necessary complex flows and large shape deformations require a numerical investigation of fluid dynamics in the transient regime. We provide a means to characterize oscillations qualitatively and quantitatively with the goal to examine and to classify flow patterns occurring inside. A super...

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