Specialstudy has been carried out according to the different requirements of domestic refinery crude deep processing on arsenic removal and the need of purified process.
根据国内炼油厂原油深加工技术对脱砷的不同要求及净化工艺的需要，开展了专项研究。
2
Language study is the cognitive process, and blended space theory can give special explanatory power to the cognitive process of human language study.
合成空间理论对人类语言学习的认知过程有独特的阐释力。
3
The paper gives chemical process development ways about recover pectin from orange peel, and make a special effort to study development about hydrolysis reactor.