The granularity distribution and average diameter of particles of red phosphorus smoke were tested and the integral curve of typical sample were given.

测试了红磷烟幕的粒度分布及平均直径，给出了典型样品的累积曲线。

youdao

Fe-Ni nano-alloy was synthesized by chemical reduction, and the result of transmission electron microscopy(TEM) shows that the diameter of particles is very small.

采用液相还原法制得铁镍纳米合金，TEM测试结果表明该合金粒径小。

youdao

The faster the cooling rate and the shorter the time to reach the precipitation amount peak value, the smaller are the precipitation amount and the mean diameter of particles.

随着冷却速率的提高，达到析出量峰值的时间越短，析出量和析出粒子的平均直径均减小。

youdao

X-rays, and observing how the rays are scattered, the researchers have concluded that the balls are full of particles with a diameter of about 50 billionths of a metre.

ECONOMIST: Ball lightning

Laser interferometers are looking for disturbances in their experimental set-ups that are equivalent to mere fractions of the diameter of a proton, one of the particles that make up the nucleus of an atom.

BBC: Lab tuned to gravity's 'ripples'

In electrophoretic displays, tiny white and black pigment particles are given opposite electrical charges and encapsulated in microcapsules of about the diameter of a human hair.

ECONOMIST: REPORTS