But it is easy to aging in the air, the heat variable viscosity, easy expansion in mineral oil or gasoline and dissolved, but not resistant to acid alkali.

但在空气中易老化，遇热变黏，在矿物油或汽油中易膨胀和溶解，耐碱但不耐强酸。

youdao

We must be master of time of acid-alkali treatment in the process of staining, neither short nor long, otherwise we'll influence effects of staining.

在染色过程中要掌握好酸碱处理的时间，既不能过短，也不能过长，否则都会影响染色效果。

youdao

In the process of cleaning coffee, do not use hard brush scrub, but also to avoid the use of strong acid, alkali cleaning agent, so as to avoid scratching the surface of damaged coffee cup.

在咖啡杯的清洗过程中，严禁使用硬质的刷子刷洗，也要避免使用强酸、强碱的清洁剂，以避免咖啡杯的表面刮伤受损。

youdao

It was not quite the sudden shift from litmus red to blue of an acid being neutralised by an alkali, but it was not far off.

ECONOMIST: Ecology raids the techniques of chemistry

The main electrolytes used today are alkali, molten carbonate, phosphoric acid, proton exchange membrane and solid oxide.

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