منابع مشابه
Viscosity and Sedimentation In
Suspensions of clays in organic liquids change considerably in theological character from liquid to liquid or when additions of a second liquid are made; thus, for example when about 15 per cent. volume of ethyl alcohol was added to a dispersion of a sample of bentonite in water the specific viscosity and thixotropy (as measured 9 by rate of the sol-->gel transition) increased to a maximum in s...
متن کاملThe erythrocyte sedimentation rate and the plasma viscosity.
Certain factors are common to the erythrocyte sedimentation rate and the plasma viscosity. Thus fibrinogen increases the erythrocyte sedimentation rate (Gram, 1921 ; Greisheimer, Johnson, and Ryan, 1929) and Hardwicke, Ricketts, and Squire (1950) found that a direct logarithmic relation exists between the erythrocyte sedimentation rate and the plasma fibrinogen concentration. Also fibrinogen ex...
متن کاملErythrocyte sedimentation, viscosity, and plasma proteins in disease detection.
In order to assess the relationships of erythrocyte sedimentation rates (ESR) and various acute phase reactants in diagnosing and following the remissions and exacerbations of various chronic diseases, multiple tests were performed on patients for whom an ESR was ordered. The Wintrobe and Westergren ESR, plasma and serum viscosity, hemoglobin, blood cell indices, fibrinogen, serum protein elect...
متن کاملEffective viscosity of confined hydrocarbons.
We present molecular dynamics friction calculations for confined hydrocarbon films with molecular lengths from 20 to 1400 carbon atoms. We find that the logarithm of the effective viscosity η(eff) for nanometer-thin films depends linearly on the logarithm of the shear rate: log η(eff)=C-nlog ̇γ, where n varies from 1 (solidlike friction) at very low temperatures to 0 (Newtonian liquid) at very h...
متن کاملA method for measuring plasma viscosity and a comparison of plasma viscosity with blood sedimentation rate in rheumatoid arthritis.
In the study of the rheumatic diseases the measurement of blood sedimentation rate has an established value in estimating the activity of the disease and in evaluating the effects of treatment. It is generally agreed, however, that the erythrocyte sedimentation rate is not always a reliable index even if a correction is made for anaemia. The study of the viscosity of blood was first described o...
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ژورنال
عنوان ژورنال: Nature
سال: 1959
ISSN: 0028-0836,1476-4687
DOI: 10.1038/1841311a0