1·The results show that the concentration of coal dust is inversely proportional to the diameter of particles.
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 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。
3·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。
4·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。
5·The experiments were carried on the synthesized diester-based magnetic fluids to characterize their saturation magnetization, density, viscosity, stability and the diameter of particles.
并对制得的二酯基磁性液体饱和磁化强度、密度、粘度、稳定性和粒子直径等性能参数进行表征实验。
6·Nanocrystals, also known as quantum dots, are semiconducting particles with a diameter of a few millionths of a millimeter.
纳米晶体，也被称为量子点，是一种直径只有百万分之一毫米的半导体粒子。
7·Writing in the journal Diabetes Care (PDF), a team of researchers looked at the most insidious of these particles -- only those smaller than 2.5 micrometers in diameter.
在杂志《糖尿病治疗》中（PDF），一组研究人员研究了最容易被忽视的一些微粒——仅限于直径小于2.5微米的。
8·Nanocrystals, also known as quantum dots, are semiconducting particles with a diameter of a few millionths of a millimetre.
纳米晶体(也被称为量子点)是一些半导体粒子，其直径为几百万分之一毫米。
9·The south polar region of the 500 kilometer-diameter moon is illuminated, including plumes of water vapor and icy particles spraying above the long fissures in the moon's surface.
这颗直径 500 千米的卫星的南极区域被阳光照亮，可以看到在这颗卫星表面的长长的裂缝中，有着缕缕上升的水蒸气和冰晶。
10·A nanoparticle array consists of metal particles with a diameter of 0.5-5 nanometers.
一个纳米颗粒组合由直径在零点五到五纳米的金属粒子组成。