1. The soil transformed from acid to alkali. 土壤由弱碱性向弱酸性演替;
2. We study the trend of organic amine alkali by synthesizing all kinds of factors. 综合各种因素,具体分析有机胺碱,给出电子对趋势的大小。
3. Reaction mechanism, equipment and effects of acid waste water treatment by neutralization and biology filter pond in chlor-alkali production process. 介绍了采用中和—生物滤池处理氯碱生产过程中产生的酸性废水的反应机理、备及效果。
英英解释
n.
1. any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to f
2. a mixture of soluble salts found in arid soils and some bodies of water; detrimental to agriculture