Sizing of Powdered Materials and the Expressions of the Size Distribution
li hua-jian 1; ge guo-sheng 1; huang jia-mu 2; dang ping-hua 2; luo yi 3 (1.powder lab; material department; tsinghua uniyersity; beijing; 100084; china; 2.material science and engineeing department; chongqing university; 400045; china; 3.material department; kunm