... 颗粒通过的筛孔尺寸sieve size of a particle 近似尺寸颗粒near-size particle 筛下物undersize ...
双语例句
1
This paper presents a method of measuring the particle mean size and dust concentration by small angle near forward light scattering optics and the extinction theory.
本文综合前向小角光散理论及消光原理,提出一种测量粉尘平均粒径及粉尘浓度的光学方法。
2
Planetary scientists will be studying ring images taken near equinox to help better understand the dynamics and particlesize distribution of the Solar system's most extensive ring system.
The results showed that the evolution process was as follows: lamellar, acicular, near sphere and sphere. The particlesize decreased firstly and increased in later process.