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纳米粒子是当前材料科学研究中的一个热点。超细均匀分散颗粒作为纳米材料的原材料，其制备和性质测定引起了人们的广泛兴趣。本文综合评述了纳米粒子的特性及其常用制备方法，并简要介绍了纳米材料的应用状况。
Nanoparticles are currently a hot spot in scientific research of materials. Ultrafine uniformly dispersed particles as raw materials for nano-materials, its preparation and the determination of the nature has aroused widespread interest. In this paper, the properties of nano-particles and their common preparation methods are reviewed. The applications of nano-materials are briefly introduced.