The results show that the concentration of coal dust is inversely proportional to the diameterofparticles.
研究表明颗粒的起尘浓度与颗粒直径成反比。
2
The granularity distribution and average diameterofparticles 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。
3
Fe-Ni nano-alloy was synthesized by chemical reduction, and the result of transmission electron microscopy(TEM) shows that the diameterofparticles is very small.