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- ethyl hydroxy benzoate 羟苯乙酯
- Keywords methyl 3,4,5-tris(hydroxy)benzoate;benzyl chlorine;Lithium aluminium hydride;oxidation;triethyl phosphonoacetate;3,4,5-tris(benzyloxy) cinnamyl alcohol; 三羟基苯甲酸酯;氯化苄;氢化铝锂;氧化;膦酰基乙酸三乙酯;5-三苄氧基肉桂醇;
- ethyl hydroxy cellulose 乙羟纤维素
- ethyl hydroxy methyl ketone 乙基羟甲基酮
- ethyl hydroxy pyrone 乙基羟基吡喃酮
- In this paper, the preparation of hydroxy ethyl chitosan sulfate was studied. 研究了磺化羟乙基壳聚糖的制备方法。
- The wastewater from gum benzion production contains benzaldehyde, cyanide, gum benzoin and ethyl benzoate. 有机化工产品安息香生产废水中含有苯甲醛、氰化物、安息香和苯甲酸乙酯
- Ethyl chloroformate reacted with both the hydroxy group and the carboxy group of the 17 position. 用氯甲酸乙酯将17位醇羟基和羧羟基同时酰化;
- Caffeine and Sodium Benzoate Injection. 安钠咖注射液。
- The products were analyzed simultaneously using ethyl benzoate (EB) as internal standard. 以苯甲酸乙酯为内标物,一次性同时分析了塔釜产物中各组分含量。
- To introduce the ethyl group into(a compound). 使乙基化把乙基引入(一化合物)
- Abstract: A new technology to produce hydroxy ethyl ethylene diamine using ethylene oxide is introduced in this paper. Its properties and application fields are also listed. 本文介绍了一种用环氧乙烷生产羟已基乙二胺的新技术,列举了羟乙基乙二胺的性能及应用范围。
- OBJECTIVE: To study the effects of different dispersing media, such as atolin and ethyl benzoate, on sustained-release properties of chitosan microspheres. 目的:观察液体石蜡和苯甲酸乙酯作为分散介质对壳聚糖载药微球缓释性能的影响。
- CONCLUSION: Ethyl benzoate and phenylmethyl benzoate were the main components in the oils from D. chinensis, D. grandifolius and D. yunnanensis but less in that from D. dumosus. 结论:苯甲酸乙酯和苯甲酸苯甲酯在假鹰爪、大叶假鹰爪和云南假鹰爪中含量很高,而在毛叶假鹰爪中含量较低。
- 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。
- Toxicity test of emamectin benzoate against Spodoptera exigua H. 甲胺基阿维菌素苯甲酸盐对甜菜夜蛾毒力测定。
- Buy: sodium cyclamate, menthol crystals, sodium benzoate, c ... 巴基斯坦公司求购糖精钠,薄荷醇,苯甲酸钠2007-04-06
- Ethyl acetate(71. 41b)was added to the slurry in the vessel. 把醋酸乙酯71.;4磅加到容器中的浆液内。
- Sodium Benzoate, Caseinate, Fumantic Acid, Sodium Iron EDTA ... 美国公司求购苯甲酸钠;干酪素;富马酸;乙二胺四乙酸铁钠2008-07-29
- Ethyl lactate was synthesized with sodium bisulfate. 采用硫酸氢钠为催化剂合成乳酸乙酯。