The low-grade chalcopyrite separated from the mine is leached by bacteria that are highly active to Fe2+ and elemental sulfur in term of oxidation in a shaking bottle for 21 days, the recovery rate of copper from the ore is 26.8%; 用从矿山分离的对Fe2+和元素硫氧化活性高的细菌浸出低品位黄铜矿,摇瓶浸出21d,矿石中铜的浸出率为26.8%;
METHODS From the points of drugs registration management and technical appraisal, and according to the request which safe effective and the quality is controllable, we research the basic request and inherent law of pharmaceutical preparation and design the elemental term and inherent law of each research stage. 方法从药品注册管理和技术审评的角度,按照安全有效、质量可控的注册要求,研究探讨药物制剂药学研究的基本要求和内在规律,设计各个研究阶段的基本项目和规范要求。