Nanometarials are the important part of the nanometer technology and important subject of the international advanced reseach area in the new centrury. We have been researching and experimenting the explosion synthetic technology of nanodiamond, as well as its physic properties, forming mechanism and applications, and achieved primary success. This paper expounds the common properties of nanometerials, as well as the structure, properties, and applications of the nanodiamond. It is developed the reson of nanodiamond possessing double excellent nature of diamond and nanomaterial, and that nanodiamond has super or properties showing in high efficiency running in, compound coating, rubber reinforcing, biological antibody, grinding and polishing. This paper points out that the industrialization of nanodiamond should be accellerated on the base of researching achievements above mentioned.%纳米材料是纳米技术的重要组成部分，是新世纪里国际前沿的重大研究课题。近年来，我国对纳米金刚石的爆轰合成技术及其物性研究，形成机制和应用展开了实验研究，并取得初步成果。本文对纳米材料的通性，以及纳米金刚石的结构、性质与应用进行阐述。通过测试与应用研究，揭示了纳米金刚石具有金刚石和纳米材料的双重优异特性的因由和它在高效磨合、复合镀层、橡胶增强、生物抗体、研磨、抛光等应用时所显现出的优越性。提出，在取得上述研究成果的基础上，应加快其产业化的进程。
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