“catalyst grading”的概念、定义、翻译、参考文献-科学参考

单词	catalyst grading
释义	catalyst grading Encyclopedia 工学固定床加氢释 catalyst grading催化剂级配在一定原料性质和工艺条件下，将不同功能的加氢催化剂按一定的比例依次装填，以满足产品性质和运转周期要求的技术。是固定床加氢工艺的核心技术之一。
随便看	key pair key performance indicator keyphrase extraction key point of play key points of official document word order arrangement key points of selecting official document words Key Points of the Composition of the Essays for Imperial Civil Service Examinations key population for ecological restoration key poverty stricken counties key process area key process area, KPA key-process point of control key recovery key school system keyseat reamer Keyser keysets key sharing key shelterbelt development program in the "Three North" region，the Yangtze River basin and other river basins keys in conditional access system key size key space key space entropy key species key state-owned forest state-owned forest regions

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