作者单位:Sun Yan hui(School of Metallurgical and Ecological Engineering,University of Science and Technology Beijing,Beijing 100083,China ;Nanjing Group Co.Ltd.,Panzhihua 210035,China)孙彦辉(北京科技大学冶金学院,北京100083;南京钢铁有限公司,南京210035)Li Shi wei(Nanjing Group Co.Ltd.,Panzhihua 210035,China)李时伟(南京钢铁有限公司,南京210035)