The factors of effecting on barium sulfide content in coarseproduct are analyzed, and the measures for improving the quality of coarseproduct are provided.
分析了影响粗钡中硫化钡含量的各因素，阐述了提高钡盐生产中粗钡质量的措施。
2
This method can productcoarse branching models without discontinuities on branching points.
通过这种方法可以建立在分叉点具有连续表面的树状结构的粗糙模型。
3
Routine flotation-cell is replaced by Column flotation in coarse-flotation circuit, and cost of product is reduced in great extent.