摘要
结合煤系高岭土的开发特点。
According to the characteristics of opening up coal series Kaolin, this paper discusses the break even problem for producing coal series Kaolin products.
出处
《西安矿业学院学报》
北大核心
1996年第4期312-314,共3页
Journal of Xi'an University of Science & Technology
关键词
煤系
高岭土
平衡分析
矿产品
盈利
亏损
coal series Kaolin break even point analysis mathematical model