介绍了半导体超细粒子的概念、结构及特性，主要是包括量子尺寸效应、体积效应、表面效应；
This thesis introduces the concept, structure and properties of semiconductor ultrafine particle (SUFP), including quantum-size effect, surface effect and volume effect et, al.
本文运用扩展的DLVO理论和细粒在紊流中的凝聚动力学理论，研究了粗粒效应的机理。
Applied the extended DLVO theory and hydrodynamic interaction of fine particles in turbulent flow, mechanism of coarse particle effectiveness has been studied in this paper.
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