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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。
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deficient value
deficit
deficit angle
deficit irrigation experiment
defilade
defiled document
defiled document examination
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definability
definability theorem
definable
definable class
definable predicate
definable set
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