粒子数

用平板沉降法和GLJ-BG型尘埃粒子计数仪分别测定了空气中的细菌总数、埃粒子数。

Total bacterial count of air and dust particle count were measured by plate sedimentation method and GLJ-BG-type dust particle counter .

巨分子云聚合形成N体模拟中粒子数的效应

The Effect of the Particle Number in the N Body Simulation for the Aggregation Formation of GMCS

压缩粒子数态中振幅k次幂的压缩效应

The kth power squeezing of the field amplitude in squeezed number states

激光加热微管靶在软X射线波段观察很高的粒子数反转

High soft X-ray population inversion observed in a laser-irradiated micro-tube

Al的能量吸收边缘和电子粒子数布居分析

Analysis on energy absorption edge and electron populations of Al

两个正交子能级的V型三能级系统的粒子数振荡特性

Rabi Flopping in a V-type three-level system with two orthogonal eigenstates

饱和吸收体调Q的反转粒子数分析

The Population Inversion Analysis of a Saturable Absorber Q-Switch

水窗波段类氦Al离子2p-3dX射线激光的粒子数反转研究

A study on " water window " range 2p-3d population inversion of He-like AI ions X-ray laser

强驱动场近似下开放的V型系统中的无粒子数反转激光

Lasing Without Inversion in an Open V type Three level System under Strong Driving Field Approximation

对于Bose体系，系统的临界温度随粒子数N减小而降低。

For Bose system , the critical temperature Tc increase with atom number N.

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

粒子数反转超导机制下的Josephson效应

The Josephson effect of superconducting mechanism with an inverted population

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 .

着重分析了激发、电离、分解及分解电离碰撞的粒子数随E／N、电子能量的变化，同时计算了激发发射光谱的波长。

The number of electrons for excitation , ionization , dissociation and dissociative ionization collision with the E / N and the energy of electron are analyzed emphatically .

互组合线共振光激发NaXI离子的粒子数反转研究

Soft X-ray population inversion of Na XI levels by inter-combination line resonant photoexcitation

采用拉氏变换的方法，越过粒子数随时间的变化的求解，利用Laplace变换直接得到了两种模型在上述三种热库环境下的自发辐射谱。

The calculation of spontaneous emission of the two types of model can be performed by the Laplace transform .

它的原理是，在脉冲电光调Q激光器的光泵过程中，一定的轴向超辐射强度对应激活介质中一定的反转粒子数。

The principle is as follows : The superradiant signal intensities near the axial correspond to certain population during the laser process of the optical pumping .

在考虑腔内激光和反转粒子数空间分布的情况下，对四能级主动调Q进行了理论分析，并以实验的1123nm主动调QNd：YAG陶瓷激光器为例进行了理论计算。

The four level actively Q-switched lasers are analyzed theoretically when the spacial distributions of the intracavity photon density and the population inversion density are considered .

对准三能级系统进行了研究，分析了激光上、下能级不同的能级寿命以及上能级自发辐射对下能级粒子数所造成的影响，修正了Fan等提出的纵向泵浦准三能级系统的理论模型。

The theoretical model of quasi-three-level system was modified through considering different lifetime of laser upper and lower level and spontaneous radiation from upper level to lower level .

有效粒子数MCMC粒子滤波算法研究

Research on MCMC particle filter algorithm based on effective particles

使用MIAS-300型图像分析仪分别检测SDH阳性粒子数及ACP酶灰度值变化。

SDH positive granules and ACP grey level were assayed by MIAS-300 imageanalyser .

RMF理论框架下用粒子数守恒方法处理对关联

Particle Number Conserving Treatment of Pairing in Relativistic Mean Field Theory

本文用隧道哈密顿研究了具有粒子数反转机制超导体的Josephson效应。

The Josephson effect of superconducting mechanism with an inverted population has been examined by using the tunneling Hamiltonian .

只要控制接收器中超辐射的光电转换电平，就能控制打开Q开关时的反转粒子数，也就能稳定输出的巨脉冲激光。

So we can control the population which can trigger the Q-switch by controlling the superradiant convert electrical level in the superradiant detector and then the laser output can be stabilized .

植入125I粒子数为9~48粒（中位数为28粒）。

The number of seeds implanted in lesion was 9 to 44 ( median 28 ) .

每个瘤体内植入125I粒子数为5￣40粒（平均14粒）。

The number of seeds implanted in one lesion was 5 to 40 ( mean 14 ) .

使用Secular近似，给出了对于激子粒子数态和相干态情况下，微腔中光强的解析表达式。

By using Secular approximation , we present the analytical expressions of the light intensity for the cases of the excitonic number state and the coherent state .

对于O2／N2混合气体，模拟了不同配比条件下直流放电过程，得出了发生碰撞的粒子数随E／N、电子能量的变化；

The process of DC discharge in O2 / N2 mixtures with the different N2 concentration has been simulated . The dependences of number of collisions with the E / N and the energy of electron are given .

在正方形边界下，当系统粒子数N<66时，荷电粒子形成方形晶格；当N≥66时，由于边界影响被削弱，内层粒子形成六角维格纳晶格。

With a hard-wall square boundary , the Wigner crystal lattice is square as the number of particles N < 66 , but becomes a hexagon as N ≥ 66 since the boundary effect is weak for inner particles .

粒子数反转超导体的Bogoliubov变换法

The Bogoliubov transformation method of superconductors with an inverted population