“raw material purification”的概念、定义、翻译、参考文献-科学参考

单词	raw material purification
释义	raw material purification Encyclopedia 工学原料精制释 raw material purification原料精制根据烯烃原料所含杂质情况，有针对性地设置脱水、脱氧、脱不凝气、脱硫和脱砷等精制工序，脱除相应的杂质，以提高精制烯烃的质量，达到降低聚烯烃产品能耗的聚合物生产工艺。是烯烃（如乙烯、丙烯）聚合过程中的主要操作单元之一。
随便看	mapping units of sedimentary rocks Mapping with High Dynamic Range map platemaking map prepress processing map printing map printing quality control map product acceptance map production management map production supervision map projection map projection choice map projection distortion map projection transformation map proofing map publishing processing map rank map reading MapReduce MapReduce programming model map registration map revision MA process Maps and Gazetteer of the Provinces and Countries in the Yuanhe Period and Countries in the Yuanhe Period map scale confirmation map scanner

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。