نتایج جستجو برای: concentration factor

تعداد نتایج: 1189546  

2016
N. Nakayama M. Ohashi T. Sano S. Horikoshi H. Takeishi

Dynamic and static stress concentration factors ao, and as generated at a fillet part are observed by photoelastic method, and the comparison between two different factors is carried out. Next, the reflection coefficient A is calculated using the height of incident and reflected waves measured by the strain gauge. As the result, following relationship a= ( I+ A )as is derived experimentally. Th...

2017
Appana Lok Pierre R. Bérubé Robert C. Andrews

Bench-scale systems are often used to evaluate pretreatment methods and operational conditions that can be applied in full-scale ultrafiltration (UF) systems. However, the membrane packing density is substantially different in bench and full-scale systems. Differences in concentration factor (CF) at the solution-membrane interface as a result of packing density may impact the mass transfer and ...

2013
M Mohan kumar Arjun H Rao Mathew Chandy

Design of structures needs to cater to key requirements of safety and weight. To achieve these requirements, smooth flow of stresses and optimum factor of safety at all points in the structure are necessary. However, presence of cut outs becomes a necessary feature in the structures which obstruct the flow of stresses and there will be local concentration of stresses near the cut outs which nee...

Journal: :Arteriosclerosis, thrombosis, and vascular biology 2006
Deane F Mosher

Accumulation and cohesion of platelets at sites of vascular injury are essential for the formation of the hemostatic plug but also result in thrombosis.1,2 Platelet plug or thrombus formation is initiated by interaction of platelet receptors with components of extracellular matrix (ECM) of injured vessels. Fibronectin is both an ECM component and moderately abundant 460-kDa glycoprotein in bloo...

Journal: :Arteriosclerosis, thrombosis, and vascular biology 2006
Tomoo Okada Michio Miyashita Yuki Kuromori Fujihiko Iwata Kensuke Harada Hiroaki Hattori

Concentration in Children With Abdominal Obesity To the Editor: In human obesity, increased oxidant stress is an important factor in the development of atherosclerosis.1 Oxidation of the lipid components of low-density lipoprotein (LDL) is causative, because oxidized LDL contributes to many of the stages of progression of atherosclerosis. In particular, small dense LDL particle, which is freque...

Journal: :The Journal of Cell Biology 1986
G W Conrad T J Rink

Peritoneal cells from thioglycollate-stimulated mice were allowed to adhere to coverglasses for 2 h to give a dense monolayer of adherent cells greater than 95% of which were macrophages. After incubation with the tetra-acetoxymethyl ester of quin2, coverglasses were rinsed with Ca2+-free saline, oriented at a 45 degree angle in square cuvettes containing a magnetically driven stir bar, and ana...

Journal: :iranian journal of oil & gas science and technology 2013
mohsen esmaeili ali heydarian abbas helalizadeh

chemical flooding, especially alkaline/surfactant/polymer flooding, is of increasing interest due to the world increasing oil demand. this work shows the aspects of using alkaline/surfactant/polymer as an enhanced oil recovery method in the porous media having a high dead-end pore frequency with various dead-end pore parameters (such as opening, depth, aspect ratio, and orientation). using glas...

Journal: :journal of plant physiology & breeding 2012
fereshteh valizadehfard adel reyhanitabar nosratollah najafi shahin oustan

in order to investigate the effect of cd and zn on uptake, concentration and the translocation factor of the cd and zn in the rice plant, a factorial experiment was conducted with four factors including two rice cultivars of vandana and hashemi, two waterlogged and non-waterlogged conditions and three levels of zn and cd (0, 5 and 10 mg kg-1 soil). the experiment was carried out in a randomized...

Journal: :اکو هیدرولوژی 0
مهدیه ابراهیمی استادیار، گروه مرتع و آبخیزداری، دانشکدۀ آب و خاک، دانشگاه زابل فتانه قاسمی کارشناس ارشد مرتعداری، گروه مرتع و آبخیزداری، دانشکدۀ آب و خاک، دانشگاه زابل مرتضی پوزش شیرازی مربی، مرکز تحقیقات کشاورزی و منابع طبیعی استان بوشهر

the aim of present study was to investigate phytoremediation potential of puccinellia distans (jacq) parl using edta and dtpa and method of decreasing cd- chelating leacing risk. the soil samples spiked with cdcl2. the treatments comprised the following dosages 2.5dtpa, 5dtpa, 2.5edta, 5edta, 2.5edta+2.5dtpa, 2.5edta+5dtpa, 5edta+2.5dtpa, 5edta+5dtpa and control pots were not treated with edta ...

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