منابع مشابه
Thixotropy of Blood and Proneness to Thrombus Formation
• "While the viscosity of blood lias been studied extensively (Copley, Stainsby, and Bayliss-), only a few studies have involved the use of a rotational viscometer. These included Brundage, Wells and Merril, and Wells et al.,-~ the latter applying a Brookfield cone plate viscometer. Neither study was carried out at rates of shear below 10 seer. The present author considered that the region belo...
متن کاملThixotropy: The Case of Mexico City Soils
Thixotropy implies non-equilibrium initial conditions after remolding. At the macroscale, thixotropy manifests as the regain in mechanical properties. At the microscale, thixotropy involves phenomena such as contact creep and interparticle force redistribution, homogenization of pore pressure (in saturated and partially saturated soils), altered ionic distribution and mobility, and the effects ...
متن کاملShear thinning and thixotropy of HMHEC and HEC water solutions
Steady state viscosity and thixotropy of hydrophobically modified hydroxyethyl cellulose ~HMHEC! and nonassociative cellulose water solutions are studied. Although all the samples are shear thinning, only the HMHEC is thixotropic, since the migration of hydrophobes to micelles is controlled by diffusion. The Cross model fits steady state curves. The Mewis model, a phenomenological model that pr...
متن کاملConductance, surface traps, and passivation in doped silicon nanowires.
We perform ab initio calculations within the Landauer formalism to study the influence of doping on the conductance of surface-passivated silicon nanowires. It is shown that impurities located in the core of the wire induce a strong resonant backscattering at the impurity bound state energies. Surface dangling bond defects have hardly any direct effect on conductance, but they strongly trap bot...
متن کاملElectroosmotic flow control and surface conductance in capillary zone electrophoresis.
Electroosmotic flow within capillary zone electrophoresis can be altered electronically through a mechanism modeled as surface conductance. Experimentally, a small zone of conductive silver on the outer surface of the capillary is shown to permit good control of electroosmotic flow with an applied external voltage. This control is modeled as capacitance across the capillary wall and conductance...
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ژورنال
عنوان ژورنال: Australian Journal of Chemistry
سال: 1957
ISSN: 0004-9425
DOI: 10.1071/ch9570207