نتایج جستجو برای: water regulation function
تعداد نتایج: 2167428 فیلتر نتایج به سال:
INTRODUCTION The classical work of Griffiths (1891) and Fredericq (1901) more than half a century ago showed that fresh-water animals are hypertonic to the media in which they live. If the body wall of a fresh-water animal is permeable to water the animal will suffer from an osmotic inflow of water. Overton (1904) first suggested that the excretory organ of a fresh-water animal helped to balanc...
Mature macroglia and almost all neural progenitor types express γ-aminobutyric (GABA) A receptors (GABA(A)Rs), whose activation by ambient or synaptic GABA, leads to influx or efflux of chloride (Cl(-)) depending on its electro-chemical gradient (E(Cl)). Since the flux of Cl(-) is indissolubly associated to that of osmotically obliged water, GABA(A)Rs regulate water movements by modulating ion ...
in this thesis, structural, electronical, and optical properties of inverse pervskite(ca3pbo) in cubic phase have been investigated.the calculation have been done based on density functional theory and according to generalized gradiant approximate (gga) as correlating potential. in order to calculate the configurations, implementing in the wien2k code have been used from 2013 version. first of ...
STIFFLER, DANIEL F., AND RONALD H. ALVARADO. Rena/function in response to reduced osmotic load in larval salamanders. Am. J. Physiol. 226(5) : 1243-l 249. 1974.-Renal function was studied in larval Ambystoma gracile and Dicamptodon ensatus exposed to several osmoh&ties. Clearance methods were employed in free-swimming larvae using inulin as a GFR marker. GFR, as calculated from the rate of appe...
one of the most commonly used techniques to reduce the corrosion rate of rebar in concrete is addition substances named corrosion inhibitors into the concrete. corrosion inhibitor is chemical compounds that were added to concrete to prevent corrosion of steel in concrete. sodium nitrate is a type of anodic inhibitors that this study investigatesthe effect of this inhibitor on the properties of ...
chapter one is devoted to a moderate discussion on preliminaries, according to our requirements. chapter two which is based on our work in (24) is devoted introducting weighted semigroups (s, w), and studying some famous function spaces on them, especially the relations between go (s, w) and other function speces are invesigated. in fact this chapter is a complement to (32). one of the main fea...
translation as a comunicative process is always said to be associated with various aspects of meaning loss or gain. subtitling as a mode of translating, due to special discoursal and textual conditions imposed upon it, is believed to be an obvious case of this loss or gain. presenting the spoken sound track of a film in writing and synchronizing the perception of this text by the viewers with...
The rheological regulation of the “three high” (high temperature, high density and high salinity) water-based drilling fluid is a worldwide problem due to the combined influence of temperature, solid content and salinity. This paper investigates the factors and regulation methods about rheological property of “three high” water based drilling fluid, and the effects of clay, salinity and weighti...
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