目的 模拟氟氯西林钠多晶型的晶体结构和晶习，比较氟氯西林钠各晶型空间结构差异.方法采用X-粉末衍射技术和Materials Studio4.2 软......

　　Purpose: The purpose of this presentation was to clarify the quantitative relation between the initial dissolution r......

This paper reports the variation rules for the typomorphic parameters of the pyrite and the gold enrichment rules of the......