Mean free path是什么意思

网络释义

用法例句

Theoretical analysis indicate that when the thickness of the film materials is equivalent to the average free path of the electron, the transmission depth of the heat radiative wave can be increased effectively by reducing the film material thickness so that the heat radiative characteristics of the film mat.

理论分析表明 ,当薄膜材料的厚度与电子的平均自由程相当时 ,减小薄膜材料的厚度可以大幅度提高热辐射穿透深度 ,从而显著地改善薄膜材料的热辐射性能。

The "free path" of a gas molecule appeared in the kinetic theory have two meaning: one is the distance through which a molecule flies between two successive collisions, the other is that a molecule flies from the observing moment to the first collision moment.

在分子运动论中,“自由程”有两种含义,一种是一个分子在相继两次碰撞之间飞过的路程,另一种是它从观察时刻到之后的第一次碰撞时刻飞过的路程。

At first,a kind of qualitative explanation why the mean free path of molecule(穿) passing through a certain reference section in the course of transportation  is not equal to but larger than is brought forward,and then,穿=2 is worked out by means of quantitative calculation.

首先对输运过程中穿过参考截面△S的气体分子自由程的平均值穿为什么不等于而是大于作出了定性解释,然后通过定量计算求出了穿=2。

Pressure coefficient and temperature coefficient of free length in liquid binary mixtures;

二元混合液自由程压力系数与温度系数

Pressure coefficient and temperature coefficient of molecular free length in liquid;

液体分子自由程压力系数与温度系数研究

Based on Jacobson s free length theory in liquid, it provides two new physical quantities—pressure coefficient of free length and temperature coefficient of free length in liquid.

在Jacobson的液体分子自由程理论基础上,提出了液体分子自由程随压力和温度变化的两个参量———自由程压力系数及温度系数,给出了这两个参量的数学表达式,研究了部分烷烃、烯烃、醇、苯及其卤代物的自由程压力系数及温度系数。

This paper deduces the relationship between the mean free path of phonons in bulk materials and the mean free path in the homogenous medium of same material.

本文通过理论分析,导出了散体中声子平均自由程与同种材料均匀介质中声子平均自由程的关系,结果表明,同一材料的散体中声子的平均自由程恒小于均匀介质中声子的平均自由程。

neutron transport mean free path

中子输运平均自由程

transport mean free path

运输[迁移]平均自由程

mean free path of gas molecules

气体分子的平均自由程

flexible to use free programmable industrial robot

自由程序多功能工业机扑

collision mean free path

碰撞平均自由(路)程

Something produced by human or mechanical effort or by a natural process.

产品由人力或机械力或由自然过程生产的东西

a degree of freedom allowable among friends.

在朋友间一定程度的自由是被允许的。

The Autorun program could not complete because of the following:

由于以下原因，自动运行程序无法结束:

He set himself up as a freelance engineer.

他开始从事自由职业工程师的工作。

The equation of ship motion with six freedoms is listed.

给出了船舶六个自由度的运动方程。

The expenses of the return tickets shall be borne by the insured.

但回程票费用由被保险人自行承担。

A free man at the start of a long journey whose conclusion is uncertain.

一个自由人开始了未知结局的旅程。

"Our march to freedom is irreversible"

“我们走向自由的征程不可逆转”

The source program is written in a free field format.

原程序是按自由区段格式写书的。

Beautification Technique for Freeform Models in Reverse Engineering;

反求工程中自由形状模型的美化技术

A Free Boundary Problem with Elliptic-parabolic Equations System;

一个椭圆—抛物方程组的自由边界问题

Surface-Related Multiple Attenuation Based on Wave Equation;

基于波动方程的自由界面多次波压制

The Research on the Administrative Procedure s Control to the Administrative Exertion;

行政程序控制行政自由裁量权的研究