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- A simple,quick,simultaneous determination method for sodium ethyl p-hydroxybenzoate,potassium sorbate and sodium benzoate by UV-spectrophotometry was introduced. 介绍一种快速、简便同时测定食用防腐剂尼泊金乙酯钠、山梨酸钾和苯甲酸钠的紫外光度法。
- It is also known that sodium ethylate and diethyl phenylmalonate interact together to give ethyl Phenylacetate and diethyl carbonate. 众所周知，乙醇纳和二乙基苯基丙二酸酯反应可以得到乙基乙酸苯酯和二乙基碳酸酯。
- sodium ethyl mercurithiosalicylate 硫柳汞
- ethyl p - hydroxybenzoate 对羟基苯甲酸乙酯
- ethyl p--hydroxybenzoate 对羟基苯甲酸乙酯
- Sodium ethylate was used as catalyst in Baker-Venkataraman of cyclization, and all factors were studied. 环合反应采用乙醇钠作为Baker-Venkataraman重排反应的催化剂,研究了影响反应的各个因素。
- Sodium and water react (together). 钠和水能起反应。
- I mind my p's and q's whenever I see him. 每当我见到他我都谨慎行事。
- In English, b, p, m and w are bilabials. 英语中的b、p、m、w为双唇音。
- Common salt is a compound of sodium and chlorine. 食盐是钠和氯的化合物。
- Ethyl lactate was synthesized with sodium bisulfate. 采用硫酸氢钠为催化剂合成乳酸乙酯。
- AB and CD intersect at (the point) P. AB线和CD线在P点相交。
- The time now is 10:00 p, m, sharp. 现在的时间是晚上10点整。
- The crude sodium carbonate ash obtained from these plants. 苏打灰从这些植物中获得的粗碳酸钠灰
- Objective:To suggest ethyl hydroxybenzoate not added in Lincomycin Hydrochoride Eye Drops. 目的:建议盐酸林可霉素滴眼液标准规定处方,不加羟苯乙酯。
- Results:The peak of Lincomycin and that of ethyl hydroxybenzoate could not be separated. 结果:发现林可霉素峰与羟苯乙酯峰难以分开。
- Conclusions:The ethyl hydroxybenzoate in Lincomycin Hydrochoride Eye Drops interfere the content determination greatly. 结论:盐酸林可霉素滴眼液处方中如有羟苯乙酯的存在,对盐酸林可霉素滴眼液含量测定干扰很大。
- The "d" in "grandpa" has been lost by assimilation to "p". "grandpa"中的"d"因受"p"的同化而不发音。
- Ethyl p - hydroxybenzoatc 对羟基苯甲酸乙酯
- Alkyl halides are reacted with sodium nitrite. 卤化烷与亚硝酸钠反应。
