نتایج جستجو برای: flow channeling

تعداد نتایج: 484121  

Journal: :health scope 0
amirabbas mofidi department of occupational health engineering, faculty of medical sciences, tarbiat modares university, tehran, ir iran hassan asilian department of occupational health engineering, faculty of medical sciences, tarbiat modares university, tehran, ir iran; department of occupational health engineering, faculty of medical sciences, tarbiat modares university, tehran, ir iran. tel.: +98-9123873932, fax: +98-2182883825 ahmad jonidi jafari department of environment health engineering, faculty of medical sciences, tarbiat modares university, tehran, ir iran

conclusions results indicated that annular fluidized bed reactor’s adsorbers are useful techniques for vocs adsorption. comparison of two particle ranges indicates that in all concentrations and all flow rates of the experiments, smaller particle size adsorption are better. in superficial velocity above the minimum fluidization velocity, pressure drop of fluidized beds are less than the pressur...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2014
James N Blaza Riccardo Serreli Andrew J Y Jones Khairunnisa Mohammed Judy Hirst

In mitochondria, four respiratory-chain complexes drive oxidative phosphorylation by sustaining a proton-motive force across the inner membrane that is used to synthesize ATP. The question of how the densely packed proteins of the inner membrane are organized to optimize structure and function has returned to prominence with the characterization of respiratory-chain supercomplexes. Supercomplex...

Journal: :Rock Mechanics and Rock Engineering 2021

Abstract Fractures provide preferential flow paths and establish the internal “plumbing” of rock mass. Fracture surface roughness matedness between surfaces combine to delineate fracture geometric aperture. New published measurements show inherent relation wavelength amplitude. In fact, data cluster along a power trend consistent with fractal topography. Synthetic created using this law, kinema...

Journal: :Journal of Biological Chemistry 2001

Journal: :Biopolymers and Cell 1998

Journal: :Neuron 2014
Ronald L. Calabrese

How do neurons and networks achieve their characteristic electrical activity, regulate this activity homeostatically, and yet show population variability in expression? In this issue of Neuron, O'Leary et al. (2014) address some of these thorny questions in this theoretical analysis that starts with the Central Dogma.

Journal: :Physical review letters 2004
M B H Breese E J Teo M A Rana L Huang J A van Kan F Watt P J C King

High spatial resolution, high-contrast transmission channeling images of stacking faults in silicon have been produced using a beam of 2 MeV protons focused to a spot size of 60 nm. Over a narrow range of beam tilts to the (011) planes, up to ten periodic intensity oscillations are observed, providing evidence of a long-range coherency of the planar channeled trajectories. This behavior is char...

Journal: :Physical review letters 2004
M B H Breese M A Rana T Osipowicz E J Teo

At certain tilt alignments between a MeV proton beam and a planar channeling direction, a single interface lattice rotation within a crystal can result in a lower rate of dechanneling than at planar alignment in a perfect crystal. Such planar channeling enhancement arises when the beam passes through a layer thickness which is a half-multiple of the oscillation wavelength and then encounters a ...

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