The structure of Li Ca complex grease was studied through IR spectroscopy, X ray diffraction, DTA and electron microscope.
利用红外、X 射线衍射、差热和电子显微镜等手段研究了复合锂钙基脂的结构。
The structure of Li-ion battery and the physical and chemical properties of every all kinds of materials in Li-ion battery are introduced.
介绍了锂离子电池的结构。分析了锂离子电池中各种材料的物理化学性质。
According to the record of ancient documents, this paper gives the possible structure of li Lan's steelyard clepsydra, and demonstrates the principle for the stabilization of average flow velocity.
根据古文献记述，李兰秤漏很可能是使用弹簧联结权器和秤钩，以达到平均流速稳定的目的。
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