查询词典 particles

Additional insight is gained by examining the elastic collision of equally massive particles in the center-of-mass frame of reference.

对质量相等的两质点的弹性碰撞更彻底的理解，可通过质心参照系而获得。

In research and teaching of elastic collision of two particles,with the help of the graphical method, the effect is more audio-visual, imaginal,succinct and thorough.

两个粒子的弹性碰撞问题，若辅之于图解法，则对问题的研究、讨论以及课程教学等，都显得更加直观、形象、简洁和透彻，充分体显出它的优越性。

I mean, for many years I've been looking for particles whose electric charge is not the same charge as the electron, but is, maybe, one half of it.

我的意思是，多年来我一直在找粒子的电荷是不一样的电子收费，但也许，它的一半。

The results of computation show that the relative variational rate of the volume and shape of particles is in direct proportion to the square of electric field intensity, and relates to the character of ER.

研究结果表明：悬浮颗粒的体积和形状的相对变化率均与电场强度的平方成正比，并与 ER 本身的性质有关。

The study of motion characteristics,electromagnetic characteristics and oscillation characteristics of electrical particles are key composition of the EDM mechanism study.

电火花加工机理研究的相对滞后在一定程度上制约了电火花加工技术的进一步发展；放电通道中带电粒子的运动特性、电磁特性及振荡性的研究是电火花加工机理研究中的重要组成部分。

But because these particles are electrically charged, they also interact with the Earth's magnetic field.

但是因为这些粒子是带电的，所以它们会受地球磁场的影响。

For the first time acetic anhydride was used as solvent to disperse HAp particles, which avoided adding acid solution into the suspension and the gas formed by the electroanalysis of water.

石02具有介于钦和HAp之间的热膨胀系数，起到过渡层的作用，从而可降低烧结后涂层和基底之间的残余应力，减少 HAp涂层裂纹的发生，进一步改善了涂层的结合性能。

A measurement method of solid particles mean velocity based on the spatial filtering effect of the electrodynamic sensor was developed.

介绍了静电传感器的空间滤波特性，推导了颗粒流动速度与静电传感器输出信号频率特性之间的关系。

Absorption spectra of spherical particles were investigated with Mie theory on the basis of classical electrodynamics.

特别是光诱导纳米粒子沉积制备SERS基底的新方法，为SERS活性光纤传感器敏感层的修饰提供了方便、有效的方法。

During the electroforming process of copper, the quality of electrodes was improved through polishing and perturbation of hard particles.

摘 要：在铜的电铸过程中，通过陶瓷微珠等硬质粒子摩擦和扰动电铸层表面来改善电铸层的质量。

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。