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需氧菌的耐药率由高到低依次为青霉素、红霉素、氯洁霉素……。 The highest rates of drug resistance in aerobic germs were penicillin, and it was followed by erythromycin and clindamycin. | ||
大量的抗生素，包括四环素和氯洁霉素，是通过进入细菌内部的核糖体而对细菌产生抑制作用。 Dozens of antibiotics - including tetracycline and clindamycin - work by gumming up the ribosomes inside bacteria. | ||
此外，一些洁齿防垢牙膏含有一些叫做三氯生能够杀死口腔中一些细菌的抗生素。 Additionally, some tartar control toothpastes contain an antibiotic called triclosan, which kills some of the bacteria in the mouth. | ||
质本洁来还洁去，强于污淖陷渠沟。 Quality to the born in purity, strong subsidence in the sewage mud trench. | ||
研究了一种直接环合的方法，用2-氯-2氯甲基- 4- 氰基丁醛与三氯氧磷反应来制备2-氯-5-氯甲基吡啶。 A synthetic method of direct cyclization was researched that 2-chloro-2-chloromethyl-4-cyanobutyraldehyde was reacted with phosphorus oxychloride to get 2-chloro-5-chloromethylpyridine. | ||
将新戊酰氯氯化为制得的3-氯新戊酰氯在全回流的填充蒸馏塔中进行。 The chlorination of pivaloyl chloride to prepared 3-chloropivaloyl chloride was took place in a packed distillation column with total reflux. | ||
主要产品有：亚磷酸、乙酰氯、环已甲酰氯。 The main products are: -phosphate, chloride, the ring has chloride. | ||
目的：制备阿奇霉素滴耳液。 Objective: To prepare the azithromycin ear drops. | ||
氯广泛用于杀菌。 Chlorine is widely used to kill germs. | ||
氯用来给水消毒。 Chlorine is used to disinfect water. | ||
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