نتایج جستجو برای: apparent viscosity
تعداد نتایج: 143549 فیلتر نتایج به سال:
In vivo studies of the rheological behavior of blood in the microcirculation were conducted by direct in situ measurements in cat mesentery. Upstream to downstream pressure drops were measured in unbranched arterioles, capillaries, and venules, with diameters from 7 to 58 micrometer. Simultaneous measurements of red cell velocity and vessel geometry facilitated computation of bulk velocity, pre...
In order to test the hypothesis that the increase of vascular resistance observed in vivo at low flow rates is due in part to blood Theological properties, the apparent viscosity of human blood was measured in small tubes in a range of shear rates. Pressure-flow relationships were obtained in vertical glass tubes (29 to 94 fjiin i.d.) perfused with blood at hematocrits between 0.13 and 0.65. Vi...
Momen Abad mining district is a part of Eastern Iranian bentonite zone, located in Eocene-Oligocene volcanic belt. Mineralogical study of bentonites by XRD method introduced smectite and cristobalite as major mineralogical phases and plagioclase, alkali feldspar, paragonite, zeolite (heulandite and clinoptilolite), mica-illite, and quartz as minor phases. SEM imaging of bentonites shows that pl...
2014 For a nematic in simple shear it has been shown that the asymptotic form of the apparent viscosity for large shearing force can be predicted. This prediction is obtained from two reasonable simplifying assumptions. It is shown here that the same form for the apparent viscosity is also valid for other viscometric flows, provided the appropriate measure of the shearing force is chosen. The r...
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