In this paper the general physical and chemical properties of the indium which is used as a soft-metal sealant is described.
本文在介绍铟的有关物理化学性质的基础上讨论了铟作为封接材料所形成真空密封的特点与机理。
In this paper, based on the physical and chemical properties, the general adsorption mechanism of activated carbon is introduced.
本文从活性炭表面的物理性质和化学性质，介绍了活性炭吸附的一般机理。
This essay makes a general account of the chemical and physical properties of zearalenone, its poisonousness, its functional mechanism and check method.
本文对玉米赤霉烯酮的理化性质、毒性、作用机制和检测方法做了综述。
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