平均自由程

给出ηE与电子非弹性平均自由程（IMFP）λ的函数关系，用ηE的实验值推算出λ。

The funtional relation between η _E and the electron inelastic mean free path ( IMFP ) λ was gived and calculate IMFP by the experimental value of η _E .

Knudsen数的定义是：宏观的特征长度与微观特征长度（一般为平均自由程）之比。

The Knudsen number is defined as the ratio of the macroscopic length scale ( hydrodynamic wave-length ) to the microscopic one ( mean free path ) .

这一现象与溅射过程中溅射粒子平均自由程的变化密切相关工作气压降低，使Ba离子平均自由程提高，到达衬底表面Ba原子数量增加、能量上升，抑制了Ba缺失现象，提高了薄膜质量。

These were attributed to the increase of the mean free path and impacting energy of ions at low working pressure .

本文利用统计方法及MonteCarlo模拟讨论了在原子核乳胶中次级粒子平均自由程的不同估计。

Different estimators for the mean free pathes of secondary particles in nucle - ar track emulsion are derived and discussed with respect to their special characteristics using statistical calculations and Monte Carlo simulations .

本文利用混响声场吸声系数α、立体角、平均自由程及壁面吸收声能等统计声学概念，用简单方法导出混响声场吸声系数α与统计能量分析（SEA）损耗因子η之间的关系。

Relation between acoustical absorption coefficient α and loss factor η in reverberant field with statistical energy analysis ( SEA ) was derived using concise statistical acoustical concepts , such as acoustical absorption coefficient α, three-dimension angle , mean free path and surface absorption energy .

用概率知识推导Tait平均自由程

Tait mean free path in probability view

）、S（2p）峰强度的变化规律，讨论了膜内分子有序排列引起的散射效应对电子平均自由程的影响。

We also gave explanation to the influence of scattering effect caused by the ordered molecular orientation on the inelastic mean free path .

通过一些简单的概率假设，给出Tait平均自由程的新的推导，并讨论了对强度分布的影响。

Tait mean free path is deduced by making some probability assumptions and discussing their consequent influences to the intensity distribution .

本文运用有效的Skyrme相互作用在核物质和有限核中研究了核子在各种温度时的光学势及平均自由程。

The optical potential and mean free paths of nucleons at finite temperatures in nuclear matter are studied based on the effective Skyrme interaction .

从这些谱中得到的信噪比与以等离子激发平均自由程λP表示的样品厚度的关系曲线表明：适合做电子能量损失谱的样品厚度在O.2～0.6λp之间。

The obtained relationship between signal to noise ratio and specimen thickness represented by mean free path of plasma excitation in amorphous carbon , λ p , shows that a suitable specimen thickness for EELS is in a range of 0.2-0.6 λ P.

基于Boltzmann输运理论的分析表明，薄膜热导率的尺寸效应可以归结于薄膜中声子（晶格振动）的弛豫时间或平均自由程的减小。

The analysis of Boltzmann transport theory suggests that the size effect of thermal conductivity in thin films could be attributed to the diminishing of relax time or mean free path of phonons ( lattice vibration ) in films .

本文介绍了MonteCarlo方法模拟室内扩散声场的原理，模拟计算了混响室声场中的能量密度衰减曲线、能量脉冲响应、平均自由程及吸声系数等。

This paper reviews the principles of the Monte Carlo method for simulating the diffuse sound field and presents some results of the diffuse sound field in reverberation room , such as energy density decay function , energy impulse response , mean free path and absorption coefficient .

后者对对成核的晶粒方向几乎没有影响，但它通过改变分子平均自由程来影响Cd、Te2分子的扩散，从而影响薄膜的生长速率。

The effect of the latter to grow nucleus is small . But it affects the growth velocity of the thin film from changing the molecular mean free path to affect the diffusion of Cd and Te_2 .

本文测定了钾薄膜中能量为65、256和921eV的俄歇电子的非弹性平均自由程（IMFP）。

The inelastic mean free paths ( IMFP ) of 65 , 256 and 921 eV Auger electrons in thin films of potassium have been determined .

作者开发出了一个基于平均自由程的高能碰撞输运模型，在袋模型的框架内实现夸克胶子等离子体（QGP）和强子物质间的变换。

A transport model based on the mean free path consideration for high energy collisions has been developed . A transition from hadron state to a quark gluon plasma is included within the framework of the bag model .

电子复自能的虚部给出了空间和角度相关的微分倒数非弹性平均自由程（DIIMFP）。

The imaginary part of the complex self energy of electron provides spatial and angular dependent differential inverse inelastic mean free path ( DIIMFP ) .

由于浮动间隙已远小于空气分子平均自由程（室温下约65nm）而有使气膜浮动技术有失效的危险。

But some researches show that it has the probability of failure since the head-disk gap is less than the mean free path of air ( 65nm at room condition ) .

电磁信号，如光子信号和双轻于产生信号，作为寻找QGP的传统信号，由于其平均自由程大，容易穿过碰撞区到达探测器被实验观察到，因而仍然受到人们的极大关注。

Electromagnetic signals , such as photon and dilepton production signals , are traditional signals for formation of QGP . Photon and dilepton have large mean free path and pass through collision region easily to reach the detectors , so they can be observed directly in experiment .

用声子气动力论模型的分析结果与NEMD模拟相一致，表明纳米单晶硅薄膜中声子平均自由程显著减小。

The analytical results of the thermal conductivity based on the kinetic theory of phonon gas model agrees well with the result of NEMD simulation , which indicates that the phonon mean free path in nanoscale silicon films is significantly decreased .

本文对20Cr钢不同原始组织在不同临界高温区淬火形成双相组织中的铁素体数量、晶粒长度、平均自由程、形状因子等显微组织参数进行了人工定量测定。

In this paper , the microstructural parameters of ferrite , including volume , grain length , shape factor and mean free distance , are measured manually for dual phase microstructure formed under different original microstructures and different quenching temperatures of upper subcritical zone .

它的载流子的迁移率比较低，并且随着温度的升高而升高，平均自由程小于晶格原子间距。

The phonon mean free path is lower than lattice parameters .

弗兰克-赫兹实验中温度与电子平均自由程的关系

Relation between temperature and mean free path in the Franck-Hertz experiment

关于几何学平均自由程λ′的严格证明

A rigorous proof of the geometrical mean free path λ′

长圆管道内气体分子的平均自由程

Mean Free-Path of Gaseous Molecules in a Long Pipe of Circular Cross-Section

与温度有关的核子光学势及平均自由程

Temperature dependent optical potential and mean free paths of nucleons

高能核&核作用中的平均自由程估计

Estimators for the Mean Free Path in High Energy Nucleus & Nucleus Interactions

气体平均自由程纳米尺度效应的蒙特卡罗模拟

Direct Simulation Monte Carlo Method on Nanoscale Effect of Gas Mean Free Path

钾薄膜中俄歇电子的非弹性平均自由程

The Inelastic Mean Free Path of Anger Electrons in Thin Films of Potassium

气体分子碰撞频率和平均自由程公式的严格推导

A Research on Formula between collision Frequency of Gas Molecule and Average Free Procedure

改善AES/XPS深度剖析的一种方法：减小电子平均自由程对深度剖析的影响

Reduction of Effects of Electron Mean Escape Length on AES / XPS Depth Profile