• 公司是否已获得ISO 9000系统认证

    IS your company certified to the ISO9000 Quality System?

    youdao

  • 地球系统元素赋存状态即为元素属性

    The quality attribute of element is its existent state in earth system.

    youdao

  • 固体纳米新型纳米系统

    Solid lipid nanoparticle is a new drug delivery system of nano-range.

    youdao

  • 发明涉及采用裂解制低碳烯烃方法系统

    The present invention is method and system for cracking heavy hydrocarbon to prepare low-carbon olefin.

    youdao

  • 发明涉及采用裂解制低碳烯烃方法系统

    The present invention is method and system for cracking heavy hydrocarbon to prepare low-carbon olefin.

    youdao

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