乙醇钠

实验以水杨醛、丙二酸二乙酯为原料，乙醇钠为催化剂催化合成香豆素-3-羧酸乙酯，再经皂化、酸解环合合成香豆素-3-羧酸。

Synthesis of coumarin-3-carboxylic acid through sodium ethoxide catalyzed synthesis of coumarin-3-carboxylic acid ethyl ester , followed by saponification , acidolysis cyclization was studied .

比较甲醇钠、乙醇钠、异丙醇钠和叔丁醇钠催化活性，叔丁醇钠为最佳的催化剂。

Compared with the activity of sodium methoxide , sodium ethoxide , sodium isopropyl , sodium tert-butoxide , The best base catalyst was sodium tert-butoxide .

以蔗糖、植物油为原料，乙醇钠为催化剂，脂肪酸皂及SE为促进剂，在均相熔融状态下进行酯交换反应合成蔗糖酯。

In this experiment , We use sucrose and vegetable oil as reactant , caustic alcohol as catalyst , and fatty acid soap and SE as accelerating agent .

以乙醇钠为碱，由2－（1，4－亚丁二硫基）亚甲基芳甲酰丙酮与芳醛的缩合反应得到标题化合物，其立体化学经1HNMR验证为E－构型。

The title compounds were synthesized by the condensation reaction between 2 ( 1,4 butylene dithio ) methylene aroyl acetones and aromatic aldehydes with sodium ethoxide as a base . The stereochemistry of the compounds was confirmed to be E configuration by 1H NMR .

结果显示：当乙醇钠催化剂为0.5%（卤虾油重），反应温度60℃，反应时间3h，乙醇/卤虾油（质量比）

The results showed that alkaline catalyst was 0.5 % ( of oil weight ), reaction temperature was 60 ℃, reaction time was 3h and the proportion of ethanol to Artemia oil was 40 % ( weight ), the conversion rate of Artemia oil was 98.04 % ;

以甘氨酸乙酯盐酸盐为原料和丙烯腈进行加成反应，氨基保护，然后在乙醇钠存在下发生Dieckmann环化反应。

The addition reaction of glycine ethyl ester with acrylonitrile and the amino group protecting reaction were carried out , then the Dieckmann cyclization occurred with the action of sodium alkoxides .

4-硝基间甲酚与氯化苄在乙醇钠作催化剂的条件下制备2-硝基-5-苄氧基甲苯，收率为86.9%。

4-Nitro-m-cresol and benzyl chloride , with sodium ethylate as the catalyst , synthesized 5-benzyloxy-2-nitrotoluene , the yield was 86.9 % .

介绍了碳酸二乙酯的用途及合成方法，重点阐述了以乙醇钠为催化剂，碳酸二甲酯和乙醇在一定的温度和压力下合成碳酸二乙酯的反应原理和工艺流程。

This article introduced the use and synthesis method of DEC , mainly expounded the reaction principle and process of DEC-synthesizing under a certain temperature and pressure condition from DMC and ethanol by using Sodium ethoxide as catalyst .

结果表明：PJ-CW本身能活化巯基乙醇酸钠培养液诱导的巨噬细胞，在10μg/ml时巨噬细胞介导的肿瘤细胞溶解作用达高峰。

The results showed that PJ-CW could activate thioglycollate broth-elicited macrophages and the peak of MTC was obtained with 10fig / ml of PJ-CW .

硫代乙醇酸钠；

Mercaptoacetic acid sodium salt ;

在本文中，我们利用无水乙醇作为青霉素钠的吸附介质，将药物装载在MCM-41的孔道结构当中，从而保证了青霉素钠在吸附过程中化学结构的完整，并简化了对其吸附机理的分析。

The drug of penicillin is loaded in the MCM-41 channels through the media of ethanol in order to protect the drug and simplify the analysis of the sorption modes .

氯仿、异戊醇、乙醇、醋酸钠等购自杭州长征化学试剂厂。

Chloroform , isoamyl alcohol , ethanolamine , ethyl alcohol and sodium acetate were bought from Hangzhou Changzheng Chemical Reagent Factory .

结果显示，乙醇/碳酸钠和叔丁醇/硫酸铵体系对海参蛋白和多糖有较好的萃取效果。

The results showed that ethanol / sodium carbonate , and tert-butanol / ammonium sulfate system perform better in extracting proteins and polysaccharides of sea cucumber .

同时，考察了乙醇/碳酸钠体系对金属离子的去除情况，结果显示该体系可有效降低重金属含量。

Meanwhile , removal of heavy metal ions from the processing liquid of sea cucumber was studied in salting-out extraction composed of ethanol / sodium carbonate . The results showed that this system can effectively reduce the heavy metal content .

C（60）与乙醇胺或茂钠加成反应产物的电喷雾电离质谱研究

Study on the products of c_ ( 60 ) addition with hydroxyethylamine or cyclopentadienyl sodium by electrospray ionization mass spectroscopy

方法：用主动免疫、乙醇、去氧胆酸钠及热糊灌胃同时进行的综合方法，制成大鼠CAG模型。

Methods : Infusing initiative immunity , alcohol , deoxysodium cholate and heat paste into stomach at the same time for doing CAG model .

在以ZeissⅢ型火焰光度计改装成的装置上，以相同条件观察了不同浓度的甲醇、乙醇、丙醇对钠的原子吸收值及发射值的增强作用。

The enhancements of sodium atomic-absorption and emission by methyl - , ethyl - , and propyl-alcohol of various concentrations were studied under identical conditions with a modified Zeiss Model ⅲ flame photometer .

化学药品如东莨菪碱、亚硝酸钠、45%乙醇和戊巴比妥钠均引起小鼠学习记忆功能障碍，主要表现为在跳台作业中潜伏期短，累计错误次数增多；

The chemical drugs such as scopolamine , sodium nitrite , and 45 % ethanol , and sodium pentobarbital induced learning and memory dysfunction .

本文以油酸为原料经过适当的途径合成饱和油酸乙醇酰胺硫酸酯钠，并测定其表面活性性能。

This paper has studied the synthesis of sodium saturated oleic acid ethanolamine sulfate from oleic acid by proper synthetic route and determined Its surface-activity .

方法：将大鼠随机分5组，采用乙醇和脱氧胆酸钠复合造模法。

Methods : The Wistar rats were randomly divided into 5 groups . The CAG model was made by using the alcohol method and deoxycholic acid .

脱蛋白的最佳条件是A2B2C1D1E2，即在氯仿40%、正丁醇10%、甲醇2%、乙醇40%、氯化钠0.01%的条件下，杂蛋白的去除率最高。

The optimal condition for deproteinization was A 2B 2C 1D 1E 2 , the best composition for the deproteinizing agent was 40 % of chloroform , 10 % of 2 butanol , 2 % of methanol , 40 % of ethanol , 0 01 % of NaCl .