particle velocity

常見例句

Distributions of stress and particle velocity in the elastic unloading region behind the plastic shock wave are given as well.
同時(shí)給出了塑性激波后方彈性卸載區(qū)內(nèi)的應(yīng)力和質(zhì)點(diǎn)速度分布規(guī)律。
The algorithm discards the particle velocity and tracks the state of particle swarm by observing the overall changes in the fitness of all particles in the swarm.
該算法舍棄了粒子速度這個(gè)參數(shù)，并通過粒子群中所有粒子適應(yīng)度的整體變化跟蹤粒子群的狀態(tài)。
High particle velocity will increase the maximal contacting stress and shift the position of maximal contacting stress.
同時(shí)也發(fā)現(xiàn)，較大的污染顆粒速度有增大接觸應(yīng)力和改變最大接觸應(yīng)力點(diǎn)的作用；

If I gave you the location of a particle as a function of time, you can find the velocity by taking derivatives.
如果我給出物體的位移是時(shí)間的函數(shù),你可以通過求導(dǎo)來得到速度
耶魯公開課 - 基礎(chǔ)物理課程節(jié)選
Because any velocity I ascribe to a particle or an object, you will add a certain constant to it by the law of composition of velocity.
因?yàn)槲颐枋龅娜魏我粋€(gè)質(zhì)點(diǎn)或者物體的速度,你都要根據(jù)速度疊加法則,給它加上某個(gè)常數(shù)
耶魯公開課 - 基礎(chǔ)物理課程節(jié)選
And since we are not expecting the mass of the particle to change, what we really are saying is the uncertainty in its velocity times the uncertainty in its position is greater than the ratio of the Planck constant divided by 2 pi.
因?yàn)槲覀儾黄谕?粒子質(zhì)量發(fā)生變化，我們說的是,它速度的不確定度,乘以它位置的不確定度,比普朗克常量,除以2除以圓周率要大。
麻省理工公開課 - 固態(tài)化學(xué)導(dǎo)論課程節(jié)選

The angle of the radiation a particle gives off reveals its velocity.
ECONOMIST: How to build a B-factory
For such a particle, it is possible to work out its velocity (from the time taken to pass between the two layers) and its trajectory (from the relative positions of the elements triggered in each sensor layer).
ECONOMIST: Orbital debris
In this case, the signal is a particle's momentum—that is its mass times its velocity.
ECONOMIST: How to build a B-factory