“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	wireless geophone wireless laser communication wireless link wireless local area network wireless local area networks protocol wireless local area network, WLAN wireless local area network，WLAN wireless markup language wireless markup language, WML wireless mesh network wireless metropolitan area network wireless metropolitan area network, WMAN wireless middleware wireless monitor wireless multimedia sensor network Wireless Music wireless network wireless networked control system wireless optical communication wireless personal area network wireless personal area network, WPAN wireless personal area network，WPAN wireless positioning wireless positioning technology wireless power transfer

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