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- hexyl nicotinate 烟酸己酯<血管扩张药>
- 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。
- 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。
- And 40 patients(M 19, F 21;age 62 ?6 a)were treated with inositol nicotinate 200 mg, tid, po, for 30 d. 40例(男性19例,女性21例;年龄62±6a)采用烟酸肌醇酯200mg, tid, po治疗。 2组均以30d为一个疗程。
- OBJECTIVE To establish a method of bacterial endotoxin test for xanthinol Nicotinate Injection. 目的建立烟酸占替诺注射液的细菌内毒素检查法。
- 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
- Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied. 以 BTEAC(苄基三乙基氯化铵 )为相转移催化剂合成了异烟酸乙酯。
- 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。
- With 100% ammonium, reducing sugar, Cl and amylum were highest, and K/Cl, nicotin and K were lowest. 100%25铵态氮时，还原糖、氯含量、淀粉的含量最高，碱、钾、钾氯比最低，同时显著地降低烤烟的等级结构。
- The nicotinate chromium yeast could obviously restore the structure of damaged islets of pancreas and B cells in experimental diabetes of ... 烟酸铬对实验性糖尿病小鼠受损胰岛及B细胞形态结构具有明显的改善作用。
- With 100% ammonium, reducing sugar, Cl and amylum were highest, and K/Cl,nicotin and K were lowest. 100%25硝态氮时，总氮、钾、氯在烟叶中的含量最低，吸收总量也最少，同时产量、产值、均价也处于最低水平；
- 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。
- Abstract： The ultrasonic heterogeneous copolymerization of poly (ethylene oxide) (PEO) in its aqueous solution with hexyl methacrylate (HMA) was studied. 摘要： 本文系统地研究了地超声波辐照下聚氧化乙烯(PEO)在其水溶液中与甲基丙烯酸己酯(HMA)的非均相共聚反应。
- 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。
- Note that the overall reaction for this fermentation cannot involve the consumption of nicotin -amide coenzymes or citric acid cycle intermediates. 标明这个发酵的所有反应不包括尼克酰胺辅酶或者三羧酸循环中间产物的消耗。
- A magnetic solid superacid catalyst has been preparaed and the catalytic sysnthesis of hexyl acetate with acetic acid and hexyl alcohol as reactants has been studied. 制备了磁性固体超强酸催化剂,并用于乙酸和正己醇的酯化反应,对反应的工艺条件进行了优化。
- CrCL3, CrNano, Cr piconiate (CrPic) and Cr nicotinate (CrNic) were dissolved to different concentration as 100,200,400,800,1600 ppb in 0.9% NaCl solution. 将氯化铬、纳米铬、吡啶羧酸铬和烟酸铬分别配制成5个浓度梯度：100、200、400、800、1000ppb，调节溶液Ph值到8.;5后，测定溶液中铬浓度。
- The adsorption properties of nicotin by D001B macroporous strong acid resin from sulfuric acid solution have been investigated. 研究了硫酸溶液中D001B大孔强酸型树脂对烟碱的吸附性能。
