采用循环伏安法研究了铜电极在浓碱溶液中的电化学行为。

Cyclic Voltammetry have been used to investigate the electrochemical behaviour of copper in concentrated alkaline solutions.

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碱缩泡泡纱是利用棉纤维遇到浓碱液产生直径增大，长度缩短的原理。

Alkali draws back the seersucker to utilize the cotton fiber to meet dense lye to produce the diameter to increase, principle that the length shortens.

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如不慎沾染油漆，可以使用汽油清洗，注意：请勿喷洒浓酸浓碱等强腐性物品。

If accidentally stained with paint, you can use gasoline cleaning, attention: do not spray concentrated acid, strong alkali and other strong corrosive substances.

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