重点讨论了氨基酸的一般物理性质和化学性质，及酱油内的氨基酸在一定条件下的化学变化。
This paper inquired into physical property and chemical property about amino acid, and the chemical change of amino acid in soy sauce under given conditions.
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。
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。
In this paper, based on the physical and chemical properties, the general adsorption mechanism of activated carbon is introduced.
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