نتایج جستجو برای: creating sedimentation
تعداد نتایج: 112010 فیلتر نتایج به سال:
The contributions to this special issue on cognitive development collectively propose ways in which learning involves developing constraints that shape subsequent learning. A learning system must be constrained to learn efficiently, but some of these constraints are themselves learnable. To know how something will behave, a learner must know what kind of thing it is. While this has led previous...
Phytoplankton population dynamics are controlled by the relative rather than absolute timescales of mixing, growth, and loss processes such as sedimentation, grazing, and so on. Here, the vertical distribution and biomass of phytoplankton populations are quantified by two timescale ratios: the Peclet number Pe—the ratio of mixing and sedimentation timescales—and the growth number G—the ratio of...
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...
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