粒子

By analyzing and calculating work on the spectroscopic diagnostic results, the quantitative relationship between the electron density of laser induced plasma and linear heat input as well as the relationship between electron density and factor of absorption are deduced.

通过对激光等离子体光谱诊断结果的分析、计算，定量地得到了等离子体粒子密度与焊接线能量之间的函数关系以及粒子密度与吸收系数的函数关系。

Furthermore,the model system can be used to generate a larger refractive index with zero absorption.

这个系统可以展示从较高激发态到基态的无粒子数反转激光增益，也可以用来实现粒子数反转激光，同时这个系统还可以产生无吸收的较大折射率。

The scattering coefficients of a single charged sphere are deduced. And with spherical vector wave functions and addition theorem, the scattering coefficients of multiple charged and uncharged spheres are derived. The sampling method of simulating a Gaussian beam in use of MC is provided.

详细推导了单个带电球粒子的散射系数；并采用矢量波函数展开方法结合矢量波函数的加法定理导出了高斯波束入射多个带电/不带电球粒子的散射系数；提出了用MC模拟高斯波束的抽样方法。

The RF parameters according to the character of the machine are also obtained, and the variation of the parameter during the adiabatic capture process is presented.

由于CSRm在整个加速过程中，粒子的能量均小于转变能，在这个过程中粒子的相振荡是绝热收缩的[2 ] ，束流没有损失，因此影响加速效率的最关键因素就是对束

In this paper,the mechanism of aggregation during the drying of nanoparticles is reviewed.

简述了纳米粒子干燥时的团聚机理，介绍了8种纳米粒子的干燥方法与技术，并比较各种方法的特点以及存在的一些问题。

Based on experiment phenomenon, author deep discussed the surface interaction of latex systems, and the thickening mechanism of latex systems containing Carboxyl Groups under alkalescency condition.

本论文依据实验现象，从讨论乳胶粒子体系表面相互作用着手，深入地讨论了含羧基乳胶粒子体系在碱性条件下的增稠机理。

Some one considered, he thickening mechanism of latex systems containing carboxyl groups under alkalescency condition result from a series of factors"from the swell to the solution of the latex particle".

一般认为含羧基乳胶粒子体系的碱增稠机理，是由乳胶粒子的溶胀乃至溶解等一系列变化所致。

Though beta decay is in general a slower process than gamma or alpha decay, beta particles can penetrate hundred s of times farther than alpha particles.

虽然与γ衰变或α衰变相比，β衰变是一个较慢的过程，但β粒子的穿透距离要比α粒子的大几百倍。

Though beta decay is in general a slower process than gamma or alpha decay, beta particles can penetrate hundreds of times farther than alpha particles.

虽然与γ衰变或α衰变相比，β衰变是一个较慢的过程，但β粒子的穿透距离要比α粒子的大几百倍。

Our research aims to research and design an spectrometer-identificator to simultaneously or separately detect the fluxes and spectra of protons, alpha particles, oxygen and iron ions distributed in space.

为了满足当前空间环境的探测需要，需要研制一台全频道的空间带电粒子探测谱仪，该谱仪能够同时测量空间质子、α粒子和重离子的能谱和通量分布。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。