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- N butyl alcohol extracts 正丁醇提取物
- In the presence of aminosulfonic acid catalyst,lactic acid reacted with n butyl alcohol to form n butyl lactate. 以氨基磺酸为催化剂,实现了乳酸与正丁醇反应合成乳酸正丁酯。
- Polygonum Bistorla L. n - Butyl Alcohol Extract 拳参正丁醇提取物
- The effects of the amount of sodium bisulfate monohydrate,the amount of n butyl alcohol and reaction time on the yield of n butyl gallate have been investigated. 以没食子酸和正丁醇为原料,采用一水合硫酸氢钠作催化剂合成没食子酸正丁酯。
- The n butyl gallate was synthesized by esterification of butyl alcohol and gallic acid in catalysis of p methyl toluenesulfonic acid (PTSA) induced by microwaves. 采用微波辐射技术,以对甲苯磺酸(PTSA)作催化剂,没食子酸和正丁醇直接酯化合成没食子酸正丁酯。
- Polygonum Bistora L. n - Butyl Alcohol Extract (PBNA) 拳参正丁醇提取物
- Keywords rare earth chloride;catalyst;esterication;tributyl citrate;citric acid;n butyl alcohol;synthesis; 氯化稀土;催化剂;酯化;柠檬酸三丁酯;柠檬酸;正丁酯;合成;
- Optimization of butyl alcohol extraction process by azeotropic distillation technology and its applications 共沸精馏提纯丁醇的工艺优化研究及其工程应用
- Determination of Trace Silicon in High-purity Zinc by Butyl Alcohol Extraction Molybdenum Blue Spectrophotometry 正丁醇萃取-硅钼蓝分光光度法测定高纯锌中痕量硅
- Ethyl tert butyl ether is synthesized from ethanol and tert butyl alcohol by reaction distillation. 以乙醇和叔丁醇为反应物,采用反应精馏法合成了乙基叔丁基醚。
- Aim To predict the stability of alcohol extract of Wikstroemia chamaedaphne . 目的:考察黄芫花乙醇液的稳定性。
- As a consequence, the oxidation of sec butyl alcohol was inhibited by the presence of S ad . 相反 ;Pt电极表面S吸附原子的氧化会消耗表面氧物种 ;抑制仲丁醇的氧化 .
- Tri n butyl citricate(TBC)was synthesized with zeolite supported ZrO 2 Dy 2O 3/SO 4 2 solid super acids(ZDSH) as catalysts. 用固体超强酸催化剂(ZrO2?Dy2O3/SO42 -?沸石分子筛) 催化合成柠檬酸三丁酯(TBC) 。
- Antioxidant tertiary butylhydroquinone was prepared by hydroquinone and tertiary butyl alcohol. 由对苯二酚与叔丁醇反应制得抗氧化剂叔丁基对苯二酚。
- In this paper, the research progress on the exposure,metabolism,toxicity and endocrine disruptingeffects of di n butyl phthalate were reviewed. 邻苯甲二酸二丁酯;;内分泌系统;;成形剂;;毒性作用;;塑料;;职业;;环境;;
- The reaction adopted strong-acid cation exchange resin catalysed phthalic anhydride and butyl alcohol. 采用强酸性阳离子交换树脂催化邻苯二甲酸酐与正丁醇的酯化反应。
- Three plasticizers were used: namely dioctyl phthalate (DOP), di n butyl phthalate (DBP) and di(-2-ethyl-hexyl)sebacate(DOS). 研究中采用的增塑剂为邻苯二甲酸二辛酯 (DOP)、邻苯二甲酸二正丁酯 (DBP)和癸二酸二辛酯 (DOS)。
- For fungal infection of the body or feet, make alcohol extract of ding xiang or water decoction. Apply on the affect parts. 将丁香用酒精浸泡或煎蒸,将浸出液体或煎液涂抹于皮肤患处,治疗体癣及足癣。
- Antioxidant 2,5\|ditertiary butylhydroquinone was prepared from hydroquinone and tertiary butyl alcohol. 由氢醌与叔丁醇反应制得抗氧化剂2,5-二叔丁基氢醌。
- The influence facts upon adhesive strength,such as hardening agent content, n butyl acrylate content,synthesis condition were discussed. 考察了固化剂含量、预固化及预聚合时间、丙烯酸丁酯含量以及引发剂含量对胶粘剂力学强度的影响。