YANG Jun-qin~1,YANG Da-yong~2,ZHENG Chao-mei~3 (1.Lihuan Magnetic Equipment High Tech.Co.Ltd.in Ganzhou,Ganzhou Jiangxi 341000,China; 2.School of Environmental Science and Engineering,Nanchang University,Nanchang 330029,China; 3.Computer Center,Nanchang
Abstract：A SLon-Machine selected by magnetism has been got extensive employed based on its excellent function.We used it in selecting mine in metal mine and removing iron in non-mental in industry.But some medium boxes are often walled up and rejected because of b
2003, Vol. 25 