initial particle

The equations of particle velocity are deduced when the initial velocities are different for both the temporal model and the spatial model.

在考虑了时间模式的基础上进一步推导求解了空间模式下不同初始速度的固粒群的运动解析关系；

And this is the initial particle shape. ( 2) By discrete spatial variation method, we studied the deformation behavior of the model in the force field, stretching and compression were included.

利用对Helfrich模型的离散空间变分，在力场中对囊泡进行形变研究，包括拉伸和压缩研究。

Initial structures with different particle shapes were created by the Monte Carlo method and the geometrical model method.

使用的Monte Carlo法和几何模型法生成了不同颗粒形态的初始组织。

The relationship of the initial gas and particle velocity ratio and suspended velocity, friction coefficient is analyzed.

分析了初始气固速度比与悬浮速度、管壁摩擦损失系数的关系。

The smoke particle number concentrations in the sensing chamber are calculated based on the initial particle size and distribution.

基于初始粒子的大小和分布，计算传感小室内的烟粒子浓度。

The experimental results showed that the excessively high temperature on rate of reaction were unfavorable to the reaction, the increase of isobutene gas pressure, stir speed and initial concentration of tertiary butyl alcohol increased reaction rate, and the decease of particle size increased reaction rate.

结果表明，过高的温度对反应产生不利影晌；增加异丁烯气体压力、提高搅拌速度及叔丁醇初始浓度能提高反应速率；

One common condition for both of these phenomenological studies is the knowledge of initial particle production that determines the initial energy density distribution and the later space-time evolution of the bulk medium.

这两个唯象研究所需的一个共同条件是了解初始粒子产生，因为初始粒子产生决定了初始能量密度分布以及后期在密介质里的时空演化。

Larger initial particle size and liquid spraying rate and lower gas velocity, vibrating intensity and nozzle position are preferred conditions for the growth of particles.

增大料液流率和晶种初始粒径，减小流化气速、振动强度以及减低喷嘴高度都有利于颗粒长大；

To prevent premature happen, when some particles are near enough to the optimal particle, we renew it by the way the initial particle is generated to increase the diversity of the swarm.

当一些粒子接近最优粒子时，以初始粒子的生成方式生成新的粒子，避免粒子过早进入局部最优情况。

Furthermore, the influence of the initial drying temperature on particle size of nickel ferrite suggests that a well-established silica network provides more restriction on the growth of NiFe_2O_4particles.

通过对干凝胶干燥温度对NiFe2O4晶粒大小影响的研究，可以认为完整的SiO2网络有助于更好地限制NiFe2O4晶粒的生长。

Multi-particle tracking and matrix multiplication are used to calculate the beam transport. Monte Carlo techniques are adopted to generate randomly the initial particle coordinates in the phase spaces, and Powell nonlinear optimization routines are incorporated in the codes to search the given optical conditions.

程序采用多粒子跟踪与σ矩阵相结合的万式，用Monte Carlo方法随机产生初始相空间中各代表点的坐标，并用Powell非线性最优化方法进行光路系统的最优化计算。

The hydrodynamics of particle agglomeration flow was numerically simulated at the different inlet gas velocity, initial particle size distribution and type of agglomeration mechanisms in the absorber.

对不同入口气体速度、初始颗粒尺寸分布和不同颗粒团聚形成机理下收集器内颗粒聚团流动的流体动力特性进行数值模拟。

The effect of particle size and initial velocity on the particle mo-tion behavior is discussed.

并讨论了粒子的尺寸、初始速度的大小和方向对粒子在叶栅内运动特性的影响。

A novel method based on 'the relationship between the energy utility ratio and the initial particle inversion' to solve the final particle inversion remaining is advanced firstly. And this method simplified the numerical calculation procedure of the Q-switched fiber laser.

首次提出了一种基于‘能量利用率与初始反转粒子数的关系’求解剩余反转粒子数的新方法，该方法简化了调Q光纤激光器数值计算的过程。

Study on the initial particle velocity of particle-gas flow in the nozzle with constant section

等截面喷管中粉气流粉粒初始速度的研究

The effects of various parameters on boron particle ignition of ducted rocket secondary chamber were studied with the model developed by the King. These parameters include initial oxide thickness, initial particle size, ambient temperature, pressure and oxygen mole fraction.

采用King硼颗粒点火模型，研究固体火箭冲压发动机补燃室内温度、压强、氧气摩尔浓度、硼颗粒初始半径对硼颗粒点火的影响。

The model is developed for AP-based composite solid propellants can be used to explain plateau, mesa and normal burning behavior and to analyse the effect of initial temprature and AP particle size on burning behavior.

该模型可用于包括易熔粘合剂在内的AP复合推进剂。具有能说明平台、mesa和正常的燃烧行为，分析初温、AP颗粒尺寸对燃烧特性影响的能力。

Though adopting two different calculation, the relation of initial gas and particle velocity ratio and movement time and kinematic range in accelerating zone was gained.

通过两种不同计算，得到气固速度比与固粒群的加速区的运动时间和距离的关系。

Chapters 3 and 4 introduced the least squares estimation method and the target trajectory initial particle filter recursive estimation method.

第三章和第四章分别介绍了最小二乘初值估计法和目标轨迹粒子滤波递推估计法。

The interaction between stabilizer and PUF with surface stability was investigated by comparing the microencapsulation process with different initial particle size of oil droplets.

通过对比不同初始油滴粒径下的微胶囊化过程，研究了稳定剂和具有表面活性的脲醛树脂的相互作用关系。

Numerical results for particles trajectories show that the initial position of the particle at the inlet plane substantially affects its trajectory in the cyclone.

对颗粒运动轨迹的计算表明，颗粒在入口处的初始位置对颗粒分离有比较显著的影响。

The initial rotation of the particle in degrees.

粒子最初的旋转，单位是度。

The soil-water behavioral characteristics of different initial densities, initial water contents and particle size fractions were analyzed.

通过对试验结果的系统整理，分析了土-水特征曲线随初始干密度、初始含水率及粒组的变化特征。

Last, the influence law of the initial particle rotation on the linear scaling law of the penetration depth and the initial impact velocity was investigated. 3.

最后分析了冲击颗粒的初始旋转对冲击深度与初始冲击速度的线性标度关系的影响规律。

The results show that the purification efficiency is enhanced by proper magnetic field,-6 kV direct current voltage is an optimal value and there are two optimal values of the plate span and the initial particle speed according to different situations.

结果表明，引入适当强度的磁场可提高净化效率，理想的预荷电放电电压为-6kV（直流）；根据具体情况，集尘板间距和粒子的初速度存在着一个最佳值。

Metal sheath, the initial MgB_2 particle size, doped elements, deformation and heat treatment insert effects on properties of MgB_2 wires and tapes.

MgB2超导线带材的临界电流密度受多种因素影响，包括外包套金属材料、初始粉末粒度、掺杂元素、形变和热处理等。

The effects of urea thermal decomposition rate constant, initial particle diameter and exhaust flow rate on the calculation results are examined to further verify reasonableness of the model.

分析了尿素热解反应速率常数、喷雾初始粒子直径、排气流速对计算结果的影响，进一步验证了文中所选模型的合理性。

The effect of the ratio of initial gas and particle velocity on the acceleration of particle in a on spatial model

空间模式下初始气固速度比影响管内固粒加速特性的研究

The experiment results indicate that for the impact compaction behavior, the subgrade of water content, initial compacted degree and particle size composition are the main influence factors;

试验认为，冲击压实效果主要受路基填土含水量、起始压实度和颗粒组成等因素的影响；

Basset force and virtual mass force are on the same magnitude as Stokes force and are important for the motion of abrasive particles during the initial phase of particle movement in the convergent section and straight tube section of the nozzle.

当磨料颗粒在喷嘴的收缩段和直柱段中运动时，磨料颗粒所受的Basset力、虚拟质量力与Stokes力处于同一量级，对磨料颗粒的运动影响很大，不可忽略；