Results 241 to 250 of about 3,630,144 (297)

Particle transport in sawteeth

open access: yes, 1987
Zasche, D.   +51 more
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PARTICLE TRANSPORT IN SANDSTONES

Proceedings of SPE Annual Fall Technical Conference and Exhibition, 1977
Abstract Particle transport within the Berea, Noxie and Cleveland sandstones having mean pore sizes of 10, 15 and 30 microns, respectively, was studied by injection of aqueous suspensions of sand particles having mean particle sizes of 4, 6 and 7 microns.
E.C. Donaldson, B.A. Baker, H.B. Carroll
openaire   +1 more source

Particle Transport in Microchannels

Numerical Heat Transfer, Part B: Fundamentals, 2006
A numerical model for particle transport in microchannel is presented. This article focuses on situations where the sizes of the particles are comparable to the sizes of the channels. The present approach is validated against (1) flow around stationary, (2) flow around forced rotating, (3) flow around freely rotating cylinders and (4) sedimentation of ...
Y. F. Yap   +5 more
openaire   +1 more source

Glutamine transport in submitochondrial particles

American Journal of Physiology-Renal Physiology, 1989
Glutamine transport was studied in submitochondrial particles (SMP) to avoid interference from glutamine metabolism. Phosphate-dependent glutaminase activity in SMP was only 0.04% of that in intact mitochondria. The uptake of glutamine in SMP represented both the transport into vesicles and membrane binding (about one-third of total uptake ...
S, Sastrasinh, M, Sastrasinh
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Particle transport and image synthesis

ACM SIGGRAPH Computer Graphics, 1990
The rendering equation is similar to the linear Boltzmann equation which has been widely studied in physics and nuclear engineering. Consequently, many of the powerful techniques which have been developed in these fields can be applied to problems in image synthesis.
Arvo, James, Kirk, David
openaire   +4 more sources

PARTICLE TRANSPORT IN ROUGH CHANNELS

International Journal of Modern Physics C, 2009
The transport of particles in two-dimensional self-affine rough channels is investigated through numerical simulations. We show how the average transit time depends on the particle Stokes number as well as on the restitution coefficient controlling the collisions with the walls.
Vasconcelos, Talita F.   +3 more
openaire   +1 more source

Transport of sputtered neutral particles

Physical Review E, 1995
The initial deposition rate of sputtered material along the walls of a trench is calculated numerically. The numerical scheme is a nonstatistical description of long-mean-free-path transport in the gas phase. Gas-phase collisions are included by using a ``transition matrix`` to describe the particle motion, which in the present work is from the source ...
, Parker, , Hitchon, , Koch
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Phosphate transport in submitochondrial particles

Biochemical and Biophysical Research Communications, 1974
Summary Submitocondrial particles prepared from bovine heart mitochondria in the presence of CaCl 2 on MnCl 2 take up inorganic phosphate. The reaction is sensitive to mersalyl and to hydrophobic N-benzylmaleimide but is insensitive to N-ethylmaleimide. These findings indicate that the phosphate transport system is oriented asymmetrically.
T R, Rhodin, E, Racker
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Particles and particle transport in ion implanters

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1985
Abstract The behavior of particles on wafers during implantation is analyzed and methods of eliminating particles are discussed. Particle transport is mainly aerodynamic and particles are held on wafers by electrostatic (and chemical) forces. By eliminating aerodynamic forces and decreasing electrostatic forces, particle count on wafers can be ...
D.H. Douglas-Hamilton, C. Taylor
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