a particle

The setting velocity of a particle directly characterizes its reaction too flow.

单颗泥沙沉降速度直接表现出它对水流的反作用.

The penetration of a particle into the lung is influenced by air velocities breathing patterns.

颗粒物对肺的穿透作用受气流速度和呼吸形式的影响.

The technique requires the coupling of a particle accelerator and a mass spectrometer.

这种技术要求将粒子加速器和质谱仪连接起来。

A horizontal bar over a particle symbol is used to designate the antiparticle.

粒子符号上加一横,用来表示反粒子.

Hence we consider the knot as a particle in equilibrium whose own weight is negligible.

因此,绳结可以当作不计本身重量,处于平衡的质点来考虑.

In Fig. 6-1 ( c ), the motion of a particle is referred to by a rectangular coordinate system.

在图6-1 ( c ) 中, 质点的运动是用直角坐标系来描述的.

There is a particle of truth in his statement.

他的陈述中有一点点实话。

He choked on a particle of food.

他让一小粒食物噎住了.

The spin of a particle tells us the type of statistics it obeys.

粒子的自旋说明了它所服从的统计法类型.

The frictional force between a particle and fluid counterbalances the weight of the particle.

颗粒与流体之间的摩擦力与其重量相平衡.

A particle passing through the scintillator produces excitations.

粒子通过闪烁体引起激发.

Once a particle has been detached, it must be entrained before it can bew transported away.

颗粒一旦分离, 它必然被挟带,然后被输移.

A particle strikes a nucleus.

粒子撞击原子核.

A particle should be accompanied in nature by a sister particle.

一种粒子实际上必须伴随一种姐妹粒子.

What determines a particle's potential for nucleation is its " critical supersaturation ".

粒子的 “ 临界过饱和 ” 决定了它的成核潜力.