“gravimetric method for gas mixture preparation”的概念、定义、翻译、参考文献-科学参考

单词	gravimetric method for gas mixture preparation
释义	gravimetric method for gas mixture preparation Encyclopedia 工学化学成分量计量释 gravimetric method for gas mixture preparation混合气体重量制备法用于混合气体标准物质（又称标准混合气体等）的制备和定值。又称混合气体称量制备法。
随便看	derived constant derived curve derived design derived dyad derived element derived equation derived equivalent algebra derived exact couple derived form derived fossils，secondary fossil derived fuel derived function derived function of higher order derived functor derived gene effect derived geometric object derived graph derived group derived ideal derived language derived length of a group derived Lie algebra derived Lie group derived meaning derived module

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