摘要：论述了纳米粉末材料的物理、化学及其他的一些特殊制备方法 ,并详述了纳米粉末材料在高强度、高韧性材料、电磁材料、光学材料、催化剂材料、传感器材料、医学和生物工程材料等领域的应用

关键词：纳米粉体;制备;应用;

Abastract：The methods of the preparation and the applications in many fields of nano－powder are discussed in the paper．The methods include physical，chemical and other special．T he fields include materials of high intensity and tenacity，electromagnetism，optics catalysis，sensor，medicine and biological，etc． 

Key words：nano－powders；preparation；application