mean free path
英 [miːn friː pɑːθ]
美 [miːn friː pæθ]
平均自由行程
双语例句
- 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 - Optical depth is measured in units of the mean free path.
光学路径以平均自由路径为单位进行量度。 - On average, the photon will be scattered by the time it traverses a distance of just one mean free path.
平均而言，光子被散射的时间就是它恰好传播一个平均自由路径的时间。 - Relation between temperature and mean free path in the Franck-Hertz experiment
弗兰克-赫兹实验中温度与电子平均自由程的关系 - Results show that the change of power affects ions'bombardment on the substrate, and that of pressure lead to the change of the mean free path of the molecular.
结果表明，射频功率的改变直接影响到离子对衬底的轰击效应，而反应气压的改变影响气体分子的平均自由程。 - Estimators for the Mean Free Path in High Energy Nucleus& Nucleus Interactions
高能核&核作用中的平均自由程估计 - We also gave explanation to the influence of scattering effect caused by the ordered molecular orientation on the inelastic mean free path.
）、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。 - 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.
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 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.
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 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.
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 functional relations between nucleus number, general interaction star number and general local mean free path and distance for normal, anomalous, and total nuclei in projectile fragments are calculated.
计算出了射弹碎片中正常核、反常核及二者之和的数目、广义作用星数、广义局域平均自由程等与距离的函数关系。 - An investigation of the estimating method in the region and accuracy about the mean free path of nuclear interactions
核作用平均自由程的区间估计与估计值精确度的探讨 - New methods of measurements of specimen thickness and non-elastically scattering mean free path are proposed based on the electron holograph combining with electron dynamic diffraction.
而且，在电子全息照片和电子动力衍射相结合的基础上我们提出了一种测量电镜样品厚度和样品非弹性散射自由程的新方法。 - The phonon mean free path is lower than lattice parameters.
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。 - 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.
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。 - The calculation results indicate that collision rate between molecules and wall in transition region obeys definite rules and the nanoscale effect on gas mean free path can be expressed by the nanoscale effect function.
结果表明：过渡区分子与壁面碰撞率之间满足一定的关系，以此为基础得到的纳米尺度效应函数反映了纳米间隙对平均自由程的影响。 - 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.
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 researches the mean free path of the superhigh energetic cosmic ray proton in cosmic space and the mean temperature of the cosmic ray from the produced place to our Earth on the basis of Nuclear physics, Particle physics and Big-bang cosmology.
本文根据原子核物理学，粒子物理学和大爆炸宇宙论研究超高能宇宙线质子在宇宙空间中的平均自由程和宇宙线从产生处到达地球经历的平均温度。 - The factors influencing methane diffusion mainly include methane concentration, diffusion distance, mean free path and pore distribution in coal seams;
影响甲烷扩散的因素主要是甲烷浓度、扩散距离、平均自由程和煤岩孔隙分布； - 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.
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。 - Tait mean free path in probability view
用概率知识推导Tait平均自由程 - The relation between pressure and gas modular mean free path was introduced into one order velocity slip boundary condition. And then explicit expression of pressure distribution was obtained through solving Navier-Stokes Equation.
将压强和气体平均分子自由程的关系引入到一阶速度滑移边界条件中，求解Navier-Stokes方程，得到了显式的压强分布表达式。 - Tait mean free path is deduced by making some probability assumptions and discussing their consequent influences to the intensity distribution.
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。 - Molecular distillation under high vacuum conditions, the liquid molecules to heat escaping from the surface, the surface evaporation rate to achieve the separation of different molecular mean free path differences.
分子蒸馏是指在高真空条件下，液体分子受热从液面逸出，利用不同分子平均自由程的差异导致其表面蒸发速率不同而达到分离的方法。 - 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.
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。 - Based on the kinetic theory of granular flow and the mean free path of particles, the particles belong to the cluster are determined.
基于分子动力学和颗粒动理学，应用颗粒平均自由程，导出了确定颗粒聚团中颗粒数的计算方法。 - Actually, the mean free path of phonon in nano-film structure is larger than the size of films, which are not satisfied with the balance of heat conduction conditions. The heat transfer in nano-film is non-equilibrium.
在实际的纳米薄膜热传导中声子的平均自由程大于薄膜的结构尺寸，这不满足平衡热传导的条件，因此研究薄膜的非平衡热导率有着重要的意义。 - Furthermore, coherent backscattering measurement showed that its transport mean free path was ona submicrometer scale.
相干背散射测试表明该多孔材料的的传输平均自由程在亚微米量级。 - The imaginary part of the complex self energy of electron provides spatial and angular dependent differential inverse inelastic mean free path ( DIIMFP).
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）。