粒子

By the binding of two colloidal particles in Brownian Dynamics Simulation binding, colloidal particles, Brownian dynamics simulation, the two particles, diffusion tensor, hydrodynamics, methods, low Reynolds number, aqueous solution, distance, colloidal suspensions, since correlation function, cross correlation function,...

受束缚的两个胶体粒子的布朗动力学模拟束缚，胶体粒子，布朗动力学模拟，两个粒子，扩散张量，流体力学，方法，低雷诺数，水溶液，距离，胶体悬浮系统，自相关函数，互相关函数，。。。

The better particle is selected in terms of its weight to ameliorate the diversity of samples, so that the degeneracy phenomenon is relieved.

按照粒子权值的大小选择较好的粒子用于滤波，以增加样本的多样性，从而缓解粒子滤波的退化问题。

In this paper , using the DDA method, after calculating optical characteristics of the difformity aerosol particles, the author gets the relationships of extinction factor and absorption factor of aerosol particles with the changing incident wavelength, combining the Muller scattering matrix, the angular distribution of scattering intensity and polarizability of aerosol particles is given, which provides an efficient approach for the research of atmospheric radiation and transmission.

本文基于DDA方法，对不同形状气溶胶粒子的光学特性进行计算，得到气溶胶粒子的消光因子、吸收因子随波长变化的数值结果。结合Muller散射矩阵，给出了气溶胶粒子散射强度和极化度的角分布，为研究大气辐射传输提供了有效的方法。

Then, confidence level distance and confidence level matrix are constructed and solved to complete the reasonable evaluation of particles weights.

首先，利用粒子残差实现采样粒子由状态空间到量测空间的映射变换；在此基础上，通过置信度距离和置信度矩阵的构建及求解，完成对于粒子权重的合理度量。

By taking the advantages of SPH and standard finite element methods,a coupled method is proposed,in which the computational model is made up of finite elements in initial time and the large distortional elements are converted automatically into smoothed particles.

扼要讨论了光滑粒子法的离散思想，充分利用光滑粒子法和有限元方法各自的优点，提出了一种初始时刻用有限元建模，计算过程中大变形单元自动转换为光滑粒子的耦合算法。

A combination of DLS and SLS was used to characterize the temperature dependence of the diameter and structure of the nanoparticles and the corresponding hollow spheres, and it was found that the temperature dependence is completely reversible.

用DLS跟踪了纳米粒子的核酶解过程中散射光强和粒径的变化，并用FTIR，SEM和TEM表征了酶解前后纳米粒子的结构和形貌的变化；结合采用DLS和SLS技术表征了纳米粒子和空心球的粒径及结构对温度的依赖性，发现PNIPAM空心球的温敏性变化是完全可逆的。

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。

In a spouted bed made of stainless steel with internal diameter 92 mm and height 1 000 mm ,by adding wet powder particle through samples intermittent inlet, the wet powder elutriation with temperate air was studied by changing such parameters as bed temperature, bed height, particle diameter, spouting velocity, aerating velocity, gas humidity and feed rate.

在一内径 92mm高 1 0 0 0mm的不锈钢充气喷动床反应器内，采用碳酸钙粉末物料为微细粒子，由间歇进样器填加湿的微细粒子，以空气为充气和喷动气体对微细粒子进行淘洗。

The time-of-flight spectra of various particles, by which the concentration distribution of the responded particles was represented, were built by the emissive intensity of the same particles at different time.

利用各种粒子不同时刻发射的谱线强度描绘成该粒子的飞行时间谱，表征了等离子体中该粒子的空间浓度分布。

We had also performed numerical simulations to study energetic particle injection at L=3.5 to discuss the effect of different pulse parameters on particle injection.

我们也完成在 L=3.5 的电子流量模拟，讨论不同的脉冲参数对於粒子传输的影响和电磁脉冲传输粒子至该处的可能性，以了解是否此电磁脉冲模型可应用於了解磁暴时，在 L=3.5 处高能粒子流量增加的可能性。

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。