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- The main reason for the deactivation is that the catalysts react directly with methyl formate produced to form alkali formates (sodium formate and potassium formate) and diemthyl ether. 导致催化剂活性降低的主要原因是甲醇钠(甲醇钾)可以直接与产物甲酸甲酯反应形成甲酸钠(甲酸钾)和二甲醚。
- This kind of soil contains much alkali. 这种土壤含碱丰富。
- The book has been styled in a modern format. 该书已按照现代版式制作。
- alkali formate 碱金属的甲酸盐
- The book is written in an episodic format. 这本书是以一种松散的形式写成的。
- It's the same book, but a new format. 还是那本书，但这是新的版式。
- Cyclization occurs readily with dilute alkali. 遇到稀碱就容易环化。
- The acid and alkali are combined into salt. 酸与碱化合成盐。
- 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。
- The attack is to wipe out data, to delete flies, or to format the hard disk. 常见的攻击方式是消除数据、删除文件或者格式化硬盘。
- 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。
- Format this letter so it can be printed out. 编排这封信的格式它就能被打印出来了。
- The soil transformed from acid to alkali. 土壤由弱碱性向弱酸性演替；
- Please format this disk before entering data! 请先格式化这个盘再输入数据。
