نتایج جستجو برای: electromotive force

تعداد نتایج: 188427  

Journal: :IEICE Transactions on Electronics 2021

Triboelectric generator is attracting much attention as a power source of electronics application. Electromotive force induced by rubbing key for triboelectric generator. From dielectric physics point view, there are two microscopic origins electromotive force, i.e., electronic charge displacement and dipolar rotation. A new way evaluating these an urgent task. We have been developing optical s...

1999
AXEL BRANDENBURG DMITRY SOKOLOFF

Various approaches to estimate turbulent transport coefficients from numerical simulations of hydromagnetic turbulence are discussed. A quantitative comparison between the averaged magnetic field obtained from a specific three-dimensional simulation of a rotating turbulent shear flow in a slab and a simple one-dimensional alpha-omega dynamo model is given. A direct determination of transport co...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2005
R C Tolman T D Stewart

mecum, and the cutting is due to constriction in this ring, and the constriction to a change in surface tension, the work invo ved would require a minimum reduction along the inner surface of the ring of at least 383 dynes per centimeter. The bulk of evidence at hand seems to indicate that the paramecia are divided by the approach of two pseudopods and not by the constriction of a ring. To acco...

Journal: :Chemphyschem : a European journal of chemical physics and physical chemistry 2005
R Gebauer S Piccinin R Car

Novel effects and phenomena that are not found at macroscopic length scales characterize the behavior of matter at the nanoscale. Electronic transport is a prominent example. When the spatial dimensions of a device are of the order of the electron wavelength, special features appear such as quantized conductance and ballistic transport. These phenomena are at the basis of molecular electronics ...

2002
S. S. DRAGOMIR

An approximation of the Fourier Sine Transform via Grüss, Chebychev and Lupaş integral inequalities and application for an electrical curcuit containing an inductance L, a condenser of capacity C and a source of electromotive force E0P (t), where P (t) is an L2−integrable function, are given.

Journal: :The Journal of General Physiology 2003
David I. Hitchcock

Electromotive force measurements of cells without liquid junction, of the type Ag, AgCl, HCl + protein, H(2), lead to the conclusion that 1 gm. of edestin (or, more probably, edestan) combines with a maximum of 13.4 x 10(-4) equivalents of H(+) and 3.9 x 10(-4) equivalents of Cl(-), when the protein is dissolved in 0.1 M HCl.

Journal: :Physical review letters 2009
Shengyuan A Yang Geoffrey S D Beach Carl Knutson Di Xiao Qian Niu Maxim Tsoi James L Erskine

The electromotive force induced by a moving magnetic domain wall in a nanostrip has been calculated theoretically and detected experimentally. It is found that the emf depends only on the domain wall transformation frequency through a universal Josephson type relation, which is closely related to the topological nature of the domain wall. Our experimental measurements confirm the theoretical pr...

Journal: :The Yale Journal of Biology and Medicine 1963
Leslie F. Nims

A description of steady-state material transfer through the barrier of the idealized physiological transfer unit, phase 1, membrane, phase 2,-two homogeneous phases separated by a complex barrier-based upon Newton's laws of motion has been outlined previously.1 The supposition was made that the conservative forces tending to drive the kinetic materials through a barrier b can be derived from di...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2015
J Squire A Bhattacharjee

This article presents a calculation of the mean electromotive force arising from general small-scale magnetohydrodynamical turbulence, within the framework of the second-order correlation approximation. With the goal of improving understanding of the accretion disk dynamo, effects arising through small-scale magnetic fluctuations, velocity gradients, density and turbulence stratification, and r...

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