5Sulick. K. S. , Hammerton I). A. , Cline R. E. Jr..Thesonoche mical hot spot [J]. J. Am. Chem. soc., 1986, 108( 17):5641-5642.
6Suslick K. S.. Sonochemistry [J]. Science, 1990, 247(49) : 14391445.
7Cershitskii, A.A. , Khavskii, N. N. , Shmalei, B. N. &Smirnov, Yu. R. Chem. Abstr. , 78 ( 1973 ), 60260.
8Pesic B, ZHOU T L. Application of Ultrasound in Extractive Metallurgy: Son Chemical Extraction of Nickel [J].Metallurgical Transaction, 1992,23 : 13- 20.
9St. Slaczka A. Effect of Ultrasound on Ammonium Leaching of Zinc from Galmei Ore[ J ]. Ultrasonic, 1996 ( 1 ):53-55.
6Liphard M,Burg B,von Rybinski et al.Basic investigation ofcollector-depressant-system for the separation of nonsulphidic iron ores byflotation[M].Proc.XVII IMPC,1991.2,261~272
7Somasundaran P,Kun jappu J T.Advances in characterization of adsorbed layers andsurface compounds by spectroscopic techniques[J].Mineral and MetallurgicalProcessing,1988.68~79
8Mielczarski J A,Cases J M,et al.XPS characterization of chalcopyrite,tetrahedriteand tennantite surface products after different conditioning[M].Part Ⅰ and PartⅡ,Langmuir,1996.2519~2543