نتایج جستجو برای: surface charging
تعداد نتایج: 648003 فیلتر نتایج به سال:
HYPOTHESIS Silanol groups at the silica-water interface determine not only the surface charge, but also have an important role in the binding of ions and biomolecules. As the pH is increased above pH 2, the silica surface develops a net negative charge primarily due to deprotonation of the silanol group. An improved understanding of the energetics and mechanisms of this fundamentally important ...
We review the pyroelectric properties and electronic structure of Li₂B₄O₇(110) and Li₂B₄O₇(100) surfaces. There is evidence for a pyroelectric current along the [110] direction of stoichiometric Li₂B₄O₇ so that the pyroelectric coefficient is nonzero but roughly 10³ smaller than along the [001] direction of spontaneous polarization. Abrupt decreases in the pyroelectric coefficient along the [11...
Nonlinear and nonequilibrium electrophoresis of spherical particles of radius a is shown to be possible when the solid surface allows field or current penetration. At low particle Peclet numbers, transient capacitative charging occurs until the surface polarization completely screens the external field. For a DC applied field [see text], the resulting electrokinetic velocity reaches Dukhin's ma...
JPX rocket fuel is a mixture of 1,1-dimethyl hydrazine and a nearly light hydrocarbon fuel. Regard to the presence of 1,1-dimethyl hydrazine in the fuel, emission of dimethyl hydrazine vapors in atmosphere during fuel charging can be hazardous. On the other hand, after the fuel charging, the internal surface of pipline and related equipments is wetted with the fuel. This fuel is hazardous from ...
Due to many damages that human activities have imposed on the environment, authorities, manufacturers, and industry owners have taken into account the development of supply chain more than ever. One of the most influential and essential human activities in the supply chain are transportation which green vehicles such as electric vehicles (EVs) are expected to generate higher economic and enviro...
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