نتایج جستجو برای: 50 reduction in initial stiffness nf50

تعداد نتایج: 17123230  

Journal: :Developmental biology 1999
L A Davidson G F Oster R E Keller M A Koehl

Computer simulations showed that the elastic modulus of the cell layer relative to the elastic modulus of the extracellular layers predicted the effectiveness of different force-generating mechanisms for sea urchin primary invagination [L. A. Davidson, M. A. R. Koehl, R. Keller, and G. F. Oster (1995) Development 121, 2005-2018]. Here, we measured the composite elastic modulus of the cellular a...

Journal: :Acta Cardiologica Sinica 2015
Yung-Ta Kao Sen-Te Wang Chun-Ming Shih Feng-Yen Lin Nai-Wen Tsao Kuang-Hsing Chiang Chao-Shun Chan Yen-Chung Lin Ming-Yow Hung Ming-Hsiung Hsieh Kuo-Gi Shyu Jaw-Wen Chen Nen-Chung Chang Jong-Shiuan Yeh Chun-Yao Huang

BACKGROUND Arterial stiffness is a physiologic quantitative value used to measure arterial compliance. It is predictive of coronary atherosclerosis in patients with intermediate to high cardiovascular risk. However, a correlation between arterial stiffness and subclinical coronary atherosclerosis has yet to be established. Therefore, the purpose of this study was to evaluate arterial stiffness ...

Journal: :international journal of advanced design and manufacturing technology 0
mohamad sedighi edvin golestanian mahmoud honarpishe

in this paper, the rolling force and reduction ratio have been investigated in multilayer strip rolling. for this purpose, two different set of multilayers have been selected which are al/st/al and cu/al/cu layouts. at first, the validation of the numerical analysis was performed by using an experimental test. after validation of the numerical results, two set of multilayer layouts were simulat...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده شیمی 1392

in the present work, a simple and sensitive method was developed for determination of morphine and heroin using gold nanoparticles as resonance rayleigh scattering (rrs) and colorimetric technique’s probe. synthesized gold nanoparticles by sodium citrate reduction method have a negative charge layer on their surfaces because of self-assembled citrate anions on their surface. binding of morphin...

Journal: :مجله تحقیقات سلامت 0
محمدتقی قانعیان mohammad taghi ghaneian مجتبی ممتاز mojtaba momtaz محبوبه دهوری mahboobeh dehvari

introduction: discharge of textile wastewater causes the reduction of sunlight penetration, interferes with the receiving waters ecology and damage the environment. the aim of this study was to determine the removal efficiency of reactive blue 19 dye from aqueous solutions by cuttlefish bone powder. materials & methods: this study was performed experimentally and in laboratory scale. in this re...

Journal: :Mechatronics : the science of intelligent machines 2011
Shanbao Cheng Mark W Olles Aaron F Burger Steven W Day

In order to improve the performance of a magnetically levitated (maglev) axial flow blood pump, three-dimensional (3-D) finite element analysis (FEA) was used to optimize the design of a hybrid magnetic bearing (HMB). Radial, axial, and current stiffness of multiple design variations of the HMB were calculated using a 3-D FEA package and verified by experimental results. As compared with the or...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده مهندسی علوم آب 1393

drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...

ژورنال: سلامت و محیط زیست 2011
بهمنی, پگاه, جنیدی جعفری, احمد, جوادی, زهره, رضایی کلانتری, روشنک, غلامی, میترا,

Backgrounds and Objectives: Reactive dyestuff has potential of toxicity, carcinogenesis and mutagenesis for mammals and aquatic organisms. The current physical and chemical methods such as adsorption, coagulation, precipitation, filtration and ... can been used for removing of dyestuff. Biological treatment which is effective and economic for decontamination of dyestuff wastewaters was preferre...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 1993

Journal: :Proceedings of the American Mathematical Society 2002

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