摘要：介绍了高科技产品纳米氧化铝的 3大制备方法 :固相法、气相法、液相法的优缺点 ,以及纳米氧化铝的应用与发展前景

关键词： 纳米材料;氧化铝;粒度

Abstract：T he methods of preparing nanometer alumina the solid the gas and the liquid method are fully introduced．T he advantages and disadvantages of each method the application and development perspective of nanometer alumina are also discussed． 

Keywords：nanometer materials；alumina；particle size