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- The reaction principal, reaction procedure and flowsheeting in the potassium sulfate method are included. 给出了甲酸钠法的反应原理、反应过程以及工艺流程。对原料消耗、产品规格及质量测定作了简单介绍。
- Three typical methods for synthesizing methanthiol are introduced: i.e. thiourea-dimethyl sulfate method, alkali sulfide-dimethyl sulfate method, and methanol-hydrogen sulfide method. 摘要介绍3种具有代表性的甲硫醇合成方法:硫脲-硫酸二甲酯法、硫化碱-硫酸二甲酯法和甲醇-硫化氢法。
- The method seems good but it needs to be tried out. 这个方法似乎不错,但需要试验一下。
- Barium sulfate is a radiopaque substance. 钡硫酸盐是一种辐射光不能穿透的物质。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色?
- I can't claim infallibility for this method. 我不敢说这方法绝对有效。
- Summer fallow is the best method of destroying weeds. 夏季休耕是消灭杂草的最好办法。
- The sulfating methods of polysaccharides,and the biological mechanisms and clinical applications of sulfated polysaccharides were reviewed. 本文就多糖的硫酸化修饰方法、多糖硫酸酯的生物学活性及其影响因素、作用机制和临床应用进行了综述。
- Popularizing this new method is not an easy job. 推广这种新方法不是件容易的工作。
- Study on a New Sulfating Method of Ricinus Oil 蓖麻油硫酸酯化新方法的研究
- This is not an economical method of heating. 这不是一种经济的取暖方式。
- I have a simple and easy method. 我有个简易的方法。
- More sulfated polysaccharides can be obtained by using sulfating methods through which the biological activities of the Chinese herbal polysaccharides could be improved. 硫酸多糖具有抗病毒、抗肿瘤、抗凝血和增强免疫等生物活性,为提高中药多糖的生物活性,可通过硫酸化修饰的方法进行结构改造,获取多糖硫酸酯。
- I went through by a summary method. 我成功运用了一个简易的方法。
- By this method, you obtain a good result. 用这种方法,你就会取得良好的结果。
- Many times has he tried that method. 那种方法他已经试验许多次了。
- Our packing method shall be improved. 我们的包装方法应加以改进。
- His method of organizing the work is commendable. 他组织这项工作的办法是值得称赞的。
- We must get some method into our office filing. 我们必须把公文归档工作弄出些条理来。
- He prepares to go mad with fixed rule and method. 他准备对死板的规则与方式大闹一番。