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- The influence factors such as molar ratio of hexyl alcohol to propionic acid,amount of catalyst, and reaction time on the yield of hexyl propionate were discussed. 以钨硅酸为催化剂,通过丙酸和己醇反应合成了丙酸己酯,探讨了醇酸物质的量比、催化剂用量及反应时间对酯化率的影响。
- hexyl propionate 丙酸己酯
- OBJECTIVE To synthesize Fluticasone propionate. 目的合成丙酸氟替卡松。
- Fluticasone propionate was adopted to treat for 12 weeks. 选用丙酸氟替卡松连续治疗12周,比较治疗前后病情、肺功能变化。
- The best Sodium dehydroacetate/Calcium propionate ratio is 2:3. 脱氢醋酸纳和丙酸钙的最佳比例为2:3。
- Clobetasol propionate is a potent topical corticosteroid. 丙酸氯倍他索属外用的强效皮质激素。
- Optimized synthesis of lipase-catalyzed hexyl ester in supercritical CO2. 以反应区面法研究脂解酵素催化酚酸酯类合成之最优化。
- This product is compound of nitric acid miconazole and clobetasol propionate. 本品为硝酸咪康唑与丙酸氯倍他索的复方制剂。
- Under the best conditions, the yield of n-butyl propionate could reach 86.03%. 最佳反应条件下收率为86.;03%25。
- Objective To study the catalytic activity of potassium bisulfate in synthesizing hexyl hexanoate. 目的研究硫酸氢钾在合成己酸己酯工艺中的催化性能。
- The Di(2-ethyl hexyl) Adipate(DEHA) in Nenjiang river water was extracted by hexane with ultrasonic generator. 采用超声波提取技术,用正己烷提取嫩江水中己二酸二(2-乙基己基)酯增塑剂,以气相色谱/质谱联用选择离子监测法检测,外标法定量。
- The synthetic method of N-alkyl-3-pyrrolidinones was studied through the syntheses of hexyl,octyl and benzyl substituted pyrrolidinones. 通过合成正己基、正辛基、苄基3种不同取代基的N烷基3吡咯酮,对N烷基3吡咯酮类化合物的合成方法进行了研究。
- This paper studied the synthesis of hexyl acetate with acetic acid and hexyl alcohol as reactants and sodium bisulfate as catalyst. 研究了以硫酸氢钠为催化剂;乙酸和正己醇为原料合成乙酸正己酯;并考察了反应条件对酯化率的影响.;结果表明;在适宜条件下其酯化率可达976
- The application, performance and synthesis route of 2-ethyl hexyl mercaptoacetate product are introduced in this article. 本文介绍了巯基乙酸2-乙基己酯产品的用途、性能以及合成路线。
- A clinical study of strengthened medical abortion assisted with methotrexate and testosterone propionate. 甲氨蝶呤和丙酸睾丸酮辅助加强药物流产的临床观察。
- Abstract Objective：To observe the therapeutic effect of salmeterol/fluticasone propionate on bronchial asthma. 摘要 摘要 目的：观察沙美特罗氟替卡松治疗支气管哮喘的疗效。
- A sensitive method of determining trace lead in calcium propionate was established. 目的建立了一种测定食品添加剂丙酸钙中痕量铅的方法。
- Pour depressant OEAM, is a copolymer of maleic anhydride and mixed hexadecyi propionate and oc-tadecyl propionate. 原油降凝剂(OEAM)是丙烯酸正十六醇和正十八醇混合酯与马来酸酐的共聚物。
- The graft copolymerizatio of butyl acrylat(BA)oto chloropree ru- bber(CR) in ethyl acetate was carried out by using di(2-ethyl hexyl)pe- roxy dicarbonate(EHP)as an initiator. 以二-(2-乙基己酯)过氧二碳酸酯(EHP)为引发剂,在乙酸乙酯中进行氯丁橡胶(CR)与丙烯酸丁酯(BA)的接枝共聚反应。
- Influence of the reaction condition for the yield of benzyl propionate was investigated. 讨论了各种反应条件对合成丙酸苄酯的产率的影响，并对传统合成方法进行了改进。
