ground state population是什么意思

网络释义

用法例句

It is found that the characteristic state of quantum mechanics system is consisted of numerical states of particle superposition state, the Berry s phase is minus twice of the area of the circuit in parameter space.

本文对单原子微波激射器中光场的Berry相位进行了计算,结果得到一个量子力学系统的本征态由粒子数态迭加而成,其Berry相因数是其在参数空间上闭合曲线面积的负二倍。

The dynamic particle population based particle swarm optimization algorithm(DPPPSO) is introduced,in which the time-variant population size function is constructed,which contains an attenuation term and an undulation term.

提出了基于动态粒子数的微粒群算法,并建立了粒子数变化函数。

The number of metastable state densities obtained ranges from 1×10 15 to 4×10 15 m -3 in the electron cyclotron resonance (ECR) argon plasma by measuring the optical absorption of the 811.

测量了电子回旋共振 (ECR)氩等离子体中Ar的 1s5亚稳态粒子数密度 ,在气压为 0 2— 0 8Pa、功率为 5 0 0—70 0W的范围内 ,利用吸收光谱法测量了Ar原子 811 5nm谱线的吸收强度 ,得到 1s5亚稳态粒子数密度为 1× 10 1 5—4× 10 1 5m- 3。

The effect of NCO/OH mole ratio,PU/MMA/ST mass ratio,carboxyl contents and carboxyl neutralization degree on particle size and morphology of WPUAS dispersions was studied.

结果表明,NCO/OH摩尔比减小、羧基含量增大及羧基中和度提高,都会导致分散液粒径减小;PU/(MMA+ST)质量比越小,粒径越大,粒子形态越不规整;MMA/ST质量比的变化对粒径影响不明显。

The structure, surface properties, particle size and morphology of FPUA water dispersions were investigated by FT-IR, TEM, submicron particle size analyzer and contact angle measureme.

研究表明,含氟丙烯酸酯的引入使聚氨酯-丙烯酸酯乳胶膜的表面自由能降低50%以上,常温固化的FPUA乳胶膜的表面自由能小于0·0172J·m-2;该复合乳液的粒子形态呈球形,粒径约为220nm。

The particle size and morphology of water borne polyurethaneurea(PUU) polyacrylate(PA),which was called as PUA, were studied.

结果表明：羧基含量和ＰＵＵ／ＰＡ 组成比增大或异氰酸酯指数减小都会导致分散液粒径减小；ＰＵＡ 中ＰＡ 含量越大，ＰＵＡ 水分散液粒子形态越不规整；工艺因素如搅拌强度、升温速率等对ＰＵＡ 水分散液粒子尺寸及形态的影响不符合传统乳液聚合的规律。

FT-IR,TEM and other paper testing equipment respectively characterized the structure,the particle morphology of the resultant dispersions and the ph.

用FT-IR、TEM和纸张物理性能检测的手段对聚合物结构、乳胶粒子形态以及应用性能进行了表征。

The clear core-shell particle morphology and the regul ar sphere shape of particles were observed for the hybrid aqueous dispersion pr epared with TEA at low neutralization de.

进一步研究了由不同量的三乙胺中和得到的复合水分散液的粒子形态 ,发现在中和度较低的情况下、粒径分布宽、粒径较大但形状规整 ,在大粒子中间形成清晰的核壳两相结构 ;在中和度较高的情况下 ,粒径分布较窄、粒径较小但形状不规整 ,两相间的区别不十分明显。

Particle morphology of two component and three component polymer latex systems has been reviewed.

对两组分三相和三组分四相聚合物乳液体系的粒子形态进行了综述。

Grid based dynamic particle population particle swarm optimization

一种基于栅格的动态粒子数微粒群算法

Particle Swarm Optimization with Dynamic Dimension Crossover for High Dimensional Problems

基于动态维度交叉的粒子群高维函数优化

automatic gamma counter

自动伽玛（γ）粒子计数管

The rotational levels of the ground vibrational level may be depopulated by radiation.

基态振动能级的各转动能级的粒子数可能因幅射而减少。

Particle Simulation of Steady Flow of Rarefied Plasma Plume

稀薄等离子体羽流稳态流动粒子模拟

Research on Particle Swarm Optimization Algorithms Based on Dynamic Strategies;

基于动态策略的粒子群优化算法研究

A Study of Charged Particles in Electric and Magnetic Field;

带电粒子在电磁场中运动状态的讨论

Dynamic spatial scheduling approach based on improved particle swarm optimization algorithm

改进粒子群算法的动态空间调度方法

Dynamic hierarchical hybrid particle swarm optimization algorithm

一种动态分级的混合粒子群优化算法

Particle swarm optimization with dynamic change of inertia weights

动态调整惯性权重的粒子群优化算法

Estimating direction-of-arrival of moving sources based on a particle swarm algorithm

应用粒子群算法的动态目标DOA估计

Experiment and Analysis on Dynamic Probabilistic Particle Swarm Optimization Model

动态概率粒子群优化模型及实验分析

A Modified Simple Particle Swarm Optimization Using Dynamically Decreasing Inertia Weight

一种动态改变权值的简化粒子群算法

Hamiltonian Functions of Charged Particles in Electric Field;

带电粒子在电场中运动的哈密顿函数

Mobile Robot Localization Based on Particle Filters in Dynamic Environment;

动态环境基于粒子滤波的移动机器人自定位

Each particle in the multiplet has the same strangeness.

在多重态内的每个粒子都有同样的奇异数。

The Study of the Distribution Functions of the Particles in QGP in Quasi-equilibrium;

近平衡态下QGP中成分粒子的分布函数研究

Solving Perturbation Problem about Stationary State Nondegereracy by Particle-Number Presetation Theory;

用粒子数表象处理非简并定态微扰问题