查询词典 particle

We don't model the fall of an apple from a tree by calculating what every particle in the apple and the earth experience.

一颗苹果从树上落下时，我们并不会计算苹果内每个分子跟地球间的相互运动来建立模型。

It has been indicated that the growth of sPS particles includes five periods: macromolecular chains formation, macromolecular chains crystallization,"echinus"type particle appearing, wet powdery particles and dry powdery particles.

通过电镜观察发现，sPS粒子是许多小粒子的不规则聚集体，初级粒子的大小为1～2μm，而凝胶呈网络状结构。

The effective surface area of the drug may be increased enormously by a reduction in the particle size.

药物的有效的表面也许被对颗粒大小的减少增加极大地。

The method of selecting good wavelength data for building analysis model is an effective improving analysis precision.To quicken convergence, the piecewise wavelength selection method based on particle swarm optimization algorithm is established.

探讨了光谱信号定量分析中的波长选择问题，提出了基于粒子群优化算法的分段波长选择方法，以解决定量分析中波长选择的主观随意性和已有方法算法复杂、收敛慢的缺点。

The modular square of the eigenfunction reveals a probabilitydistribution of the motion of a free particle in phase space.

本征函数的模方显示了自由粒子在相空间中运动的几率密度分布。

By using particle filter method based on Incremental Principal Component Analysis, this system incrementally learns a low dimensional eigenspace representation of the tracking results to reflect appearance variation of the target object.

该系统利用基于增量式主成分分析的粒子滤波方法增量式地学习一个表示跟踪结果的低维特征空间，以反映目标物体的外观变化。

The elastic collision mechanism of Brownian motion is studied,and the equipartition of kinetic energy of Brownian particle has been proved.

研究了布郎运动的弹性碰撞机制，证明了布郎粒子的能量均分定理。

With Java as design tool, general principle and step of The design and realization of virtual experiment of statistical Mechanics was instructed through completing the design of two concrete examples: elastic collision model of single particle in a vessel and one-dimensional Brownian motion , and has summarized the experience and lessons in the design process.

摘要以 Java 语言为设计工具，通过完成单个粒子在容器中作弹性碰撞和一维布朗运动两个虚拟物理实验的设计，阐明了设计与实现统计物理虚拟实验的一般原则和步骤，并分析了实验结果，发现我们的模拟与实际实验"真实"的一致。

We calculate the period of the atmospheric electric field in the calm weather, and analyze the correlation between the atmospheric electric field and the cosmic ray both in the calm weather and thunderstorm weather, with the help of the data of YBJ-ARGO single particle count rate.

大气电场强度尤其是雷暴天气期间的大气电场与宇宙线之间的关联是一个重要的、有理论和实际意义的交叉学科前沿问题。

The understanding of particle electrification is very important in powder mixing as well as in drug delivery using inhalation devices.

带电粒子的认识是非常重要的混合粉末以及采用吸入给药装置。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。