نتایج جستجو برای: sedimentation rate
تعداد نتایج: 971445 فیلتر نتایج به سال:
Sedimentation is one of the most important problems in harbors that results in considerable economic costs. Harbor planforms affects the flow pattern in the harbor basin and consequently, plays an important role in sediment transport and sedimentation. In the present study, a two dimensional depth-averaged hydrodynamic and sediment transport model has been developed to investigate the effect of...
The Mars Exploration Rover Spirit and its Athena science payload have been used to investigate a landing site in Gusev crater. Gusev is hypothesized to be the site of a former lake, but no clear evidence for lacustrine sedimentation has been found to date. Instead, the dominant lithology is basalt, and the dominant geologic processes are impact events and eolian transport. Many rocks exhibit co...
The effect of concentrations 0(control), 250, 500, 1000, 2000 and 4000 µM of aluminum on the growth rate and content total chlorophyll of Dunaliella salina strain UTEX-200 has been studied for duration of 27 days. The results indicated that an increase in aluminum concentration resulted in a decrease in the growth rate and chlorophyll content. It seems that these effects are probably due to des...
BACKGROUND Erythrocyte sedimentation rate is widely used in the general population. It has seldom been studied in patients with chronic renal failure. The purpose of this study was to assess its usefulness in haemodialysis patients. METHODS Forty-five haemodialysis patients with no evidence of acute or chronic inflammatory illness were studied. Nine were diabetic, and 12 used a non-biocompati...
[1] The effect of cloud droplet sedimentation on the entrainment rate and liquid water path of a nocturnal nondrizzling stratocumulus layer is examined using largeeddy simulations (LES) with bulk microphysics. In agreement with a prior study by Ackerman et al. (2004), sedimentation is found to decrease entrainment rate and thereby increase liquid water path. They suggested this is due to reduct...
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