粒子大小是在空间范围所占据的线性尺寸，是决定粉体其他性质的最基本的性质。
辐射散射取决于与散射光波长有关的粒子大小。
Radiative scattering depends on the particle size in relation to the wavelength of light scattered.
激光散射法是快速、准确测定尘埃粒子大小的新方法。
Single particle laser scattering is a fast and accurate method used to measure aerosol particle size and concentric number.
由于量子限域效应，半导体纳米晶的能带宽随粒子大小而改变。
Due to quantum confinement effect, band gap of semiconductor nanocrystals (NCs) is dependent on the particle size.
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