Arm at the questions which existed in the teaching of "chemical separate engineering", some new attempts about teaching reform of the course were provided.
针对化工分离工程教学中存在的问题，提出了课程教学改革的一些新尝试。
With the limitations of the original system of chemical courses, a new course system needs to be established and practiced. Here are some beneficial Suggestions on the physical chemistry teaching.
原化学课程体系具有局限性，应确立并实行新的化学课程体系，对物理化学教学进行有益的教学实践。
This tower is one of the key equipments for middle - scale chemical fertilizer plant, and during the course of whose designs and manufactures, new manufacture technologies were used there.
该塔是中型化肥厂的关键设备之一，在设计与制造中采用了新的工艺技术。
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