نتایج جستجو برای: water balance
تعداد نتایج: 679036 فیلتر نتایج به سال:
between the two spaces when water diffuses freely across the membrane. The predominant solute of the extracellular space is sodium. Various disease states may alter water balance and lead to abnormally high or low sodium levels that may result in significant disability or death from either the causative disease, the direct effects of the sodium concentration, or the ill effects of inappropriate...
To the Editor: In their review article on water balance, Knepper et al. (April 2 issue)1 discuss water channels (aquaporins) in renal tubular cells. They omit mention of the critical role played by aquaporin-1 in microvascular endothelia. In the renal microvasculature, endothelial aquaporin-1 mediates the osmotic water efflux across descending vasa recta and is required for regulation of medull...
the purpose of this study is to investigate the effect of physical activity onmemory and dynamic balance of elder people. subjects (n=15) were selected asvolunteers. the intervention was performed in an eighteen session period, threetimes a week (each session, 45 minutes). yoga training was performed for mentalrelaxation. wexler test was performed for memory evaluation. seat up test wasused to ...
In recent years, water shortage is becoming one of the most serious problems in the Poyang Lake. In this paper, the long-term water balance items of the Poyang Lake have been analyzed to reveal the coupling effects of Three Gorges Dam (TGD) and droughts on the water balance of Poyang Lake. The results indicate that: (1) the water balance items of Poyang Lake vary greatly, e.g. lake precipitatio...
The relationship between topography, land use, and topsoil moisture storage is investigated for a small catchment with undulating deep loess hilslopes in the south of the Netherlands. For a period of 10 months, soil moisture profiles have been measured weekly at 15 locations throughout the catchment. A Generalized Additive Model was employed to find relationships between the various factors inf...
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