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- an alkali neutralizes an acid 碱能使酸中和
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- An acid can react with a base to form a salt. 酸可以和碱起反应而生成盐。
- Of, relating to, or containing an alkali. 碱的与碱有关的或含碱的
- An alkali or ionised cleaning or emulsified agent. 一种碱或表面活性剂。
- Substance(eg an alkali)capable of combining with an acid to form a salt 可与酸化合成盐的物质(如硷);盐基.
- Putting an acid and a metal together causes a reaction. 将酸和金属放在一起会引起反应。
- An acid has the power to corrode metals. 酸具有腐蚀金属的性能。
- This paper describes purifying graphite by an alkali roasting process,which discusses conditions of roasting with caustic soda,water washing,and muriatic acid leaching. 就地取材,对方沸石岩进行提纯和改性,制成多孔方沸石球,用于含氟水的处理,取得了明显的效果。
- It can behave either as an acid or as a salt . 它或起酸的作用或起盐的作用。
- It can behave either as an acid or as a salt. 它或起酸的作用或起盐的作用。
- An alkali soluble photosensitive resin has been synthesized by two-stage process starting from the raw materials of acrylic acid,maleic anhydride and epoxidized soybean oil. 以环氧大豆油、丙烯酸和马来酸酐为原料,采用两步法合成了碱溶性光敏树脂。研究了反应温度、催化剂、阻聚剂等因素对合成过程和产物的影响。
- It is an acid produced from coal-tar. 这是从煤焦油中提出的一种酸。
- An acid having one replaceable hydrogen atom. 一元酸只有一个可置换氢原子的酸
- This difficult task is an acid test for all of us. 这项困难的工作对于我们大家都是一种严格考验。
- An acid humour stirred in his Forsyte blood. 他的福尔赛血液里生出一种酸溜溜的感觉。
- Litmus paper turns red in the presence of an acid. 石蕊试纸遇到酸就变红。
- When an acid reacts with a base ,a neutral product usually results ,and we call it a salt . 当一种酸和一种碱起反应时,通常形成一种中性产物,我们称之为盐类。
- In other words the whole spectrum of levels is just like that of an alkali turned upside down. 换句话说,整个能级谱恰好就像是上下颠倒的碱金属能级谱一样。
- An acid reacts with a base to form salt and water. 酸和碱起反应,生成盐和水。