粒子数密度

基于米氏（Mie）散射模式，详细分析了单次散射米勒矩阵元素的分布模式，以及与介质粒子数密度，粒子尺寸参量之间的关系。

Using Mie theory of light scattering , the characteristic distribution pattern of single-scattering Mueller matrices , and the correlation with particle number density and particle diameter are discussed .

MPS法最主要的特点就是引入了粒子数密度的概念，为流体的不卡压缩性提供依据，使MPS法成为模拟真正不可压流体问题的方法。

The main features of MPS method is to introduce the concept of the particle number density , the fluid does not provide the basis for compression card , so that MPS method has become a real incompressible fluid simulation of the problem .

400GeV／cpp碰撞赝快度空间带电粒子数密度的研究

The Study of Particle Densities in Pseudorapidity Space in pp collisions at 400GeV / c

根据这一特性，研究了Ar在4个大气压到6个大气压之间的四组N（Ar）和N（F2），粒子数密度的Ar&Kr-F2系统。

The Ar-Kr-F system with the argon pressure between four and six atm for four groups partial gas densities of Ar and F is investigated .

我们用Euler-Lagrange和热力学密度泛函方法，得到了系统在有限温度下的粒子数密度分布，发现两者符合得非常好。

Then we use both the Euler-Lagrange and thermodynamic density-functional-theory to get the density distribution . Both agree very well .

通过对调Q反转粒子数密度的求解，获得了调Q激光器输出的一定脉冲能量与腔内损耗、所需最小Q开关的衍射效率和输出镜的反射率等的关系公式。

Through soluting the population inversion density , the relationship between a certain output pulse energy and cavity loss , the necessary minimum diffraction efficiency of Q-switch , the reflectivity of output mirror and so on , are acquired .

求解了无限阶热力学Bethe-ansatz方程后，我们得到了化学势与粒子数密度的关系。

After solving the infinite coupled equations from the thermodynamic Bethe-ansatz , we get the relation of density and chemical potential .

对Cl/HN3/I2产生NCl（a）/I激光的过程进行了化学动力学计算，主要考察了Cl，HN3和I2的初始粒子数密度及其配比对小信号增益系数的影响。

The chemical kinetics of Cl / HN_3 / I_2 laser has been simulated and the effect of the density of Cl , HN_3 and I_2 on small-signal gain has been obtained and discussed .

根据Holstein理论研究了碱土金属原子激光中的共振辐射俘获效应，分别计算了Ca，Sr和Ba蒸气激光在不同半径时产生共振辐射俘获效应的阈值温度、基态粒子数密度和共振能级的有效寿命。

The resonance radiation trapping in alkaline-earth metal atomic lasers were investigated according to Holstein 's theory . The threshold temperature , ground-state density and resonant level effective lifetime of the resonance radiation trapping were calculated for Ca , Sr , and Ba atomic vapor lasers with different tube radii .

高能中微子与核乳胶碰撞中的相对赝快度和簇射粒子数密度研究

Relative Pseudorapidity and Number Density of Shower Particles in High Energy Neutrino emulsion Collisions

导出一个简明的粒子数密度差与温度的关系式。

A concise relation between the population density difference and the temperature is derived .

大气气溶胶粒子数密度谱和折射率虚部的测量

Measurements of Number Density Distribution and Imaginary Part of Refractive Index of Aerosol Particles

理想体系巨正则系综中粒子数密度的热力学涨落

Thermodynamical Fluctuation of Number Density of Particles in Grand Canonical Ensemble of Perfect Systems

电子回旋共振氩等离子体中亚稳态粒子数密度及电子温度的测量

Measurement of metastable state Densities and electron temperatures in an electron cyclotron resonance argon plasma

0.543μmHe-Ne激光上下能级粒子数密度的测量及动力学模型的计算

Measurement of Laser Level Population Densities of 0.543 μ m He-Ne Laser and Kinetics Calculation

利用我们提出的普遍适用的精确光电离截面公式和介电影响函数研究了原子光电离共振结构受粒子数密度影响的效应。

The number density effect in photoionization cross section of an isolated resonance has been studied using our accurate expression of photoionization cross section .

计算结果表明，逐渐增大反转粒子数密度，可以观察连续激光器的自脉冲和混沌。

The numerical results show that with the increasing of the density of inverse population , self pulsing and chaos are observed in cw gas lasers .

确定了断裂位置和蚀除开始的标志，即该处温度分布出现小的峰值，且粒子数密度急剧下降。

The location where ablation occurs and the time when ablation sets in are marked by a strong increase in temperature as well as a sharp decrease in density .

超荧光相对于激发脉冲的延迟时间随激发脉冲的强度、粒子数密度及传播距离的增加而减小。

The delay time of the superfluorescence radiation deceases with the increase of the intensity of the excitation pulse , of the molecular number density and of the propagation distance .

本文分析了托卡马克放电初始阶段的各个基本过程，给出了描述各个过程粒子数密度和温度变化的常微分方程组。

In this paper , the basic processes in the beginning discharge in the Toka-mak are analyzed and a group of coupled differential equations for the density and the temperature change during the discharge is obtained .

对三阶非线性共振极化率表达式中拉曼线宽、拉曼散射截面及跃迁能级之间的粒子数密度差的计算分别进行了详细讨论。

Also we have elaborated the calculation of Raman linewidth , Raman scattering cross section , transitions between energy levels of the particle number density difference that are crucial in the third-order nonlinear susceptibility expressions . 3 .

分别采取不同的成分配比，给出了速度72km.s-1的石质流星尾迹主要成分的粒子数密度；

Assuming different mixture ratios , particle number densities of certain dominant components that might exist in the wake of a stony meteor at a velocity of 72 km · s ~ ( - 1 ) are given .

给出了激光上下能级粒子数密度，电子温度和密度等微观参量的时间演化过程和光电脉冲波形。

The electrical and laser pulse waveforms and the time evolutions of the micro parameters , such as the population density of the upper and lower level of the UV laser , electron temperature , electron density , etc. , were presented .

给出了不稳定性的粒子数密度判据和温度判据，就不同逸度情况下临界粒子数密度的具体表达结果以及温度、粒子质量和吸引相互作用对临界粒子数密度的影响进行了讨论。

The particle density criterion and the temperature criterion of instability for the imperfect Fermi gas with weakly attractive interaction are given , and the dependance of the critical density of particles on the temperature and the mass of particle and the attractive interaction is discussed .

首先，由能见度求出波长0.55μm的大气消光系数，在减去大气分子的消光系数后得到0.55μm气溶胶的消光系数，使用Mie散射理论求出气溶胶粒子的数密度；

Firstly , 0.55 μ m atmospheric extinction coefficient can be resolved by using visibility , when it subtracts the extinction coefficient of atmospheric molecule , 0.55 μ m aerosol extinction coefficient can be obtained , and the number density of aerosol can be calculated by using Mie theory .

本文仔细地研究了界面相中流体粒子的数密度分布、温度分布及法向切向应力分布，计算了表面张力。

In this section , the profiles of number density , temperature , normal and tangential pressure tensors were studied in detailed for the fluids in the interfacial phase .

曲线及等离子体区的温度分布和电子、离子、原子、分子等粒子的数密度分布。

And the distributions of temperature , number density of electrons , ions , atoms and molecules in air plasma and the pressure distribution about the whole arc field were obtained .

疖状腐蚀的敏感性与合金的组织状态密切相关，取决于合金中的第二相粒子的数密度、平均粒子大小和基体中溶质元素的含量。

It is found that sensitivty of Zircaloy-4 to nodular corrosion depends on the number density , the size of second phase particles in alloy and the content of solute elements in matrix .

本文详细的分析了地球大气系统粒子的数密度的分布规律，从中发现：（1）该系统的平衡条件有别于一般热力学系统的平衡条件；

In this paper , it detailed analyzed particle numeral density distributing law about system of the earth atmosphere . In it to found : ( 1 ) balance condition of the system is differentiate and ecumenic thermodynamic system .

单位时间、单位面积内所包含的粒子数增加，颗粒密度增大。

The density and the number of particle improve in identity time and area .