查询词典 particle

In the solidification process, liquid metal flow affects particle movement and final particle distribution.

在凝固过程中，液态金属运动对颗粒的运动和分布起了很重要的作用，但以往却被忽略了。

If a spherical particle moves with high speed, the laser DSS due to movement of the particle could not be neglected.

如果运动粒子的速度存在速度起伏，那么多普勒效应和频谱展宽起着相当重要的作用。

For further understanding the particle movement process, different sized particles movement track and particle concentration distribution are also studied.

为了进一步明确颗粒在流场中的运动状况，文中还对单颗粒运动轨迹和颗粒浓度分布进行了研究，并最终得到了一些有意义的结论。

The movement patten of particle group is calculated by using chaotic analyze method and the movement property of particle group is describe.

应用混沌分析方法对物料在强化筛中的运动规律进行了数值计算，并用其描述了颗粒的运动特性。

Purpose of paper is to develop a radial model of gel particle profile-control and to simulate the movement of gel particle near wellbore formation.

研究目的在于建立凝胶颗粒调剖的平面径向流数值模拟模型，模拟凝胶颗粒在近井地带的调剖规律。

This paper introduces the principle of particle system. The fountain movement in the true life was analyzed by physics dynamics. A fountain particle system has been developed based on VC++ and OpenGL.

阐述了粒子系统方法的基本原理，基于粒子系统方法，运用物体动力学分析了现实中喷泉的运动，设计并实现了一个基于VC++和OpenGL的喷泉粒子系统。

Pervious concrete is of good perviousness,it can release the problems of highway seeper and urban environment,so it is a sort of environmental protection concrete. Through comparison test of performance of mixtures with different single particle size,the result indicates that mixing single particle size mixtures is of a good many advantages.

透水混凝土具有良好的透水性，能够缓解公路积水和城市环境问题，是一种环保型的混凝土，通过对不同单粒径混合料的性能进行比较试验，结果表明，将单粒径混合料进行混合具有很多优点。

And then simulations of gas-particle two phase plane wake and gas-particle two phase plane jet were carried out by using this model.

在对流场特性进行全面分析的基础上，根据对气相流场采用大涡模拟，对颗粒相运动采用Lagrangian方法进行求解的思路，建立了二维气粒两相湍流流动数值模拟的数学模型。

By the Laplace transform method, the decreasing rule of particle displacement of seismic wave has been resolved and so does the rule of phase velocity, particle velocity in time and frequency domain respectively.

通过拉氏变换求得地震波质点位移的衰减变化规律，并进一步得到了相速度、质点速度在时间域和频率域的变化关系。

The whole position vector of particle is split into a certain number of subvectors, and the particle is updated based on these subvectors.

与传统的PSO算法不同，该算法采用了一个粒子在解空间中搜索，粒子的位置矢量被分成一定数量的子矢量，并基于子矢量对粒子进行更新。

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。