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- double sulfate method 硫酸复盐法
- 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。
- He is working double tides to finish his essay. 他日夜苦干,赶写他的文章。
- a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum 一种铝的双硫酸盐:铝铵双硫酸盐,白色晶状
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- Study on a New Sulfating Method of Ricinus Oil 蓖麻油硫酸酯化新方法的研究
- He was so fat that he had a double chin. 他胖得有双下巴了。
- 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。
- Determination of iron in pyrite samples by stannous chloride-hydrazine sulfate-ceric sulfate method 氯化亚锡-硫酸肼-硫酸铈滴定法测定铁
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的?
- Reserve double room June fourth to tenth inclusive. 预订双人房间,六月四日至十日,共六晚,望订妥复电。
- Determination of mercaptan-sulfur in engine fuels (ammonia-copper sulfate method) 发动机燃料硫醇性硫含量测定法(氨-硫酸酮法)
- In this case, I can double for penalty. 假如这样的话,我可以叫加倍了。
- Can you tell me the rate for a double room, please? 请告诉我一间双人房的费用可以吗?
- 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。
- The soldiers came at the double. 士兵们是急行军来的。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries