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And those collision cross sections may be determined by fitting the simulation results from experiment data. At first, we calculate the effective ionization coefficients/N and drift velocity Ve of pure gas to determine collision cross sections in this paper, and the calculated results are agreement with the experiment data.

本文首先建立单一气体电子崩发展的蒙特卡罗模拟方法，用得出的电子崩参数与实验结果比较的方法，计算单一气体的/N和漂移速度Ve，并与实验数据比较，以确定碰撞截面的准确性。

By comparison with experimental result (drift velocity v and randomness parameter r versus and external load f), it is shown that the model presented here can explain the available data rather satisfactorily.

并把计算结果(漂移速度v和随机参数r分别随和外力f的变化关系)同实验进行了比较，与实验值符合较好。

The differences of the transport properties calculated from the above two models are also shown. The channel orientation effect and strain effect on hole drift velocity and mobility are also evaluated.

此外，并在不同通道方向及加上不同应力大小的情况下，探讨电洞传输特性的变化。

In this paper, on-line detection of random drift of angular displacement and velocity for gyro servo turntable has been developed by using inertial vibration displacement and velocty transducers.

1引言 目前，惯性导航技术已广泛地应用于航天、航空和潜艇导航中。在惯性导航系统中，对精密昂贵平台角位移和角速度漂移的实时在线测试要求比较高。

A new PA cell structure is designed to accelerate the drift velocity of the sample gas near the cell surface, so that the short response time at the flow rate of 100 sccm (standard cubic centimeter per minute) is achieved.

特殊设计的光声池结构提高了样品气体在池表面的流动速度，从而加快了氨分子在池表面吸附——解吸附的平衡过程，实现光声池对氨气浓度变化的快速响应。

The derived activation energies for both grain-boundary and surface diffusion are obtained from the Cu drift velocity under EM stressing.

对於线宽大於1微米时，主要的晶粒边界扩散的活化能大约比起表面和晶粒边界扩散的活化能高0.2 eV。

Secondly, based on above results, the radiation stress flow and the mass transport velocity composed by Eulerian velocity and Stokes drift are computed.

并以此波浪场为输入条件，分别计算了由欧拉流和Stokes流组成的质量输移流以及辐射应力流。

Silicon carbide is a promising semiconductor with wide band-gap, highsaturation electron drift velocity, high thermal conductivity and high breakdownelectric field.

碳化硅是一种具有宽禁带、高电子饱和漂移速度、高的热导率以及高的临界击穿电场等优异特性的新型半导体材料。

The results obtained here are of general significance.They are used to analyze the performance characteristics of the Brownian motors operating in the three interesting cases with the zero heat leak,zero average drift velocity or linear response relation.

得到的计算结果更具有普遍意义，它们可以用来分析布朗马达在三个有趣条件下的性能特性：没有热漏情况，平均速度等于零的情况和线性响应区附近的情况。

SiC is a very promising material for high temperature, high power, high frequency, and radiation application because of its superior properties such as wide band gap, high critical breakdown field, high thermal conductivity and high saturation electron drift velocity.

SiC材料具有宽禁带、高临界击穿电场、高热导率、高载流子饱和漂移速度等优良特性，这些特性决定了它在高温、大功率、高频和抗辐照等方面的有着广泛的应用前景。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐