Complete water filtration system and extractive filtration system.
全自动水过滤及精滤系统。
The synthesis of MMA by the extractive reaction method was studied.
研究了萃取反应法合成甲基丙烯酸甲酯（ MMA）。
Conclusion Using75 % alcohol as extractive solvent is the best procedure.
结论以75 %的乙醇提取为最佳。
The present invention is the preparation process of tripterygium extractive.
本发明涉及一种雷公藤粗提取物的制备方法。
Part six is case analysis of financial reporting in extractive coal industry .
第六部分为煤炭采掘业财务报告案例分析。
Part five is standard design of financial reporting in extractive coal industry .
第五部分为煤炭采掘业财务报告准则设计。
The Pt Pd extractive technique and production process are dealt with in this paper.
介绍了铂钯提取工艺和生产过程。
The Pt Pd extractive technique and production process are dealt with in this paper.
介绍了铂钯提取工艺和生产过程。
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