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- This kind of soil contains much alkali. 这种土壤含碱丰富。
- alkali alkyl sulfate 烷基磺酸钠
- alkali alkyl 烷基碱金属
- Alkyl halides are reacted with sodium nitrite. 卤化烷与亚硝酸钠反应。
- Alkyl bromides can be produced this way. 溴化烷可以这样形成。
- Cyclization occurs readily with dilute alkali. 遇到稀碱就容易环化。
- To add one or more alkyl groups to(a compound. 使烷基化在（一种化合物）中添加一个或多个烷基团
- The acid and alkali are combined into salt. 酸与碱化合成盐。
- To add one or more alkyl groups to(a compound). 使烷基化在（一种化合物）中添加一个或多个烷基团
- Of, relating to, or containing an alkali. 碱的与碱有关的或含碱的
- The key problem is to overcome alkali in the soil. 关键在于控制土壤里的碱分。
- Are using lime as the cheapest alkali. 最廉价的碱。
- This kind of soil containsmuch alkali. 这种土壤含碱丰富。
- Effect of Saline Alkali Soil Stress on Zea mays L. 土壤的盐碱化对玉米的胁迫作用。
- The acid and alkali are combined in salt. 酸与碱化合成盐。
- Acid and alkali are the basic concept of chemistry. 酸和碱是化学的基本概念。
- An alkali or ionised cleaning or emulsified agent. 一种碱或表面活性剂。
- Formation of an alkyl ion occurs according to reactions. 按照反应式生成烷基离子。
- The general answer to this problem is to avoid alkyl halides. 解决这一问题的一般办法是避免使用烷基卤。
- The soil transformed from acid to alkali. 土壤由弱碱性向弱酸性演替；
