“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	acoustic emission acoustic emission detection acoustic emission monitoring acoustic emission monitoring of mine acoustic emission non-destructive testing acoustic emission test instrument acoustic enclosure acoustic energy acoustic energy density acoustic environment of livestock acoustic exploration acoustic fatigue acoustic feedback acoustic field acoustic field sensitivity acoustic filter acoustic fishing acoustic frequency acoustic frequency, audio frequency acoustic full waveform logging device acoustic full-wavetrainLogging acoustic functional composites acoustic glass acoustic-gravity wave acoustic guide

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