贵公司是否已获得ISO 9000品质系统认证？
地球系统中元素的赋存状态即为元素的质的属性。
The quality attribute of element is its existent state in earth system.
固体脂质纳米粒是一种新型的纳米给药系统。
Solid lipid nanoparticle is a new drug delivery system of nano-range.
本发明涉及采用重质烃裂解制低碳烯烃的方法及系统。
The present invention is method and system for cracking heavy hydrocarbon to prepare low-carbon olefin.
本发明涉及采用重质烃裂解制低碳烯烃的方法及系统。
The present invention is method and system for cracking heavy hydrocarbon to prepare low-carbon olefin.
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