sodium ethyl
英 [ˈsəʊdiəm ˈeθɪl]
美 [ˈsoʊdiəm ˈeθɪl]
网络 乙基钠
双语例句
- Methacrylic acid, sodium salt, polymer with ethyl acrylate and methyl methacrylate;
甲基丙烯酸钠与丙烯酸乙酯和甲基丙烯酸甲酯的聚合物； - Synthesis of 3-Methyl amino-1-phenylpropyl Alcohol It is also known that sodium ethylate and diethyl phenylmalonate interact together to give ethyl Phenylacetate and diethyl carbonate.
3-甲胺基-1-苯基丙醇的合成新工艺众所周知，乙醇纳和二乙基苯基丙二酸酯反应可以得到乙基乙酸苯酯和二乙基碳酸酯。 - Commercially available sodium lauryl sulfate was purified by such methods as recrystallization of water, recrystallization of ethanol and extraction of ethyl ether.
介绍了用两种不同的方法制备十二烷基硫酸钠，并对制备出的产物的性能与分析纯的标样进行了比较。 - 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.
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。 - Microencapsulation of sodium bicarbonate was prepared by multiple emulsion-solvent evaporation method in which ethyl cellulose was as the wall materials.
采用复相乳液法，研制了以乙基纤维素为壁材，以碳酸钠为芯材的微胶囊化产品。 - Comparative experiments of different solvents showed that the optimum condition of extracting the paprika pigment was 8% sodium hydroxide and ethyl acetate solvent, which was a widely used method at present and had high yield, high coloring value and non-smell paprika pigment.
对比试验结果表明：用浓度8%的氢氧化钠溶液除辣，乙酸乙酯溶剂提取，可以得到高产率、高色值、无异味的辣椒红色素。 - NaH was replaced by sodium tert-butyl alcohol as catalyst, reacting at low temperature in the synthesis of ( 9-( 2-phosphonyl methoxyethyl) ethyl) adenine. Adjustment of pH and re-crystallize took the place of ion-exchange chromato-graphy in the synthesis of adefovir.
在9-[2-（二乙基膦酰甲氧基）乙基]腺嘌呤合成过程中以NaH代替叔丁醇钠为催化剂低温反应，阿德福韦精制中采用控制pH值重结晶法，代替文献中的离子交换柱层析。 - The synthesis process of sodium carboxy-methyl starch with the arrow root starch and the solvent of ethyl alcohol was studied.
研究了以木薯淀粉为原料，乙醇为溶剂，合成羧甲基淀粉钠的合成工艺。 - The moisture and slightethanol were removed with sodium reflux, Thefinal non-alcoholic ethyl tert-butyl ether wasobtained by distillation.
再经多次水洗、干燥、金属钠回流后，重蒸，即得无醇的乙基叔丁醚。 - The effect of the concentration of hydrochloric acid on the leaching of palladium, and the pH values and the amount of sodium ethyl xanthate on the precipitation of palladium were discussed.
还比较了不同的盐酸浓度对钯的浸出效果以及不同pH值及乙基黄药的加入量对钯沉淀的影响。 - 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.
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。 - In the experiment, sodium amide, sodium triphenyl methane, and sodium tert-butoxide are selected as catalyst for synthesis of instead 2-cyano-2-( p-nitro phenyl) ethyl acetate to displace the high dangerous catalyst sodium hydride.
实验选用氨基钠、三苯甲醇钠和叔丁醇钠作催化剂，以代替高危险性的催化剂氢化钠来合成2-氰基-2-对硝基苯基乙酸乙酯。 - On the basis of preparing diclofenac sodium sustained-release tablet, we probed how the contents of control-release skeleton material ( Hydroxypropyl Cellulose HPC, Ethyl Cellulose EC) influences the drug release.
在研制出双氯芬酸钠缓释片的基础上，探讨了控释骨架材料羟丙基纤维素（HPC）和乙基纤维素（EC）含量对药物溶出的影响。 - A Synthetic Method of the Bone Resorption Inhibitor Amino bisphosphonates and Their Sodium Salts An intermediate of bone resorption inhibitor risedronate sodium, 3 pyridine acetic acid hydrochloride, was synthesized from ethyl nicotinate via reduction, chlorination, cyanation and hydrolysis.
骨吸收抑制剂氨基二膦酸类化合物及其钠盐的合成以烟酸乙酯为原料，经还原、氯代、氰化、水解等反应合成了骨吸收抑制剂利塞膦酸钠中间体3-吡啶乙酸盐酸盐。 - The results show that: there are many modifiers can improve the humidity resistance of sodium silicate sand, including polyvinyl alcohol, disodium hydrogen phosphate, xylitol, lithium carbonate, polyethylene glycol, polyurethane, ethyl silicate, silicon hydride coupling agent and diethylene glycol ether.
实验结果表明：聚乙烯醇、磷酸氢二钠、木糖醇、碳酸锂、聚乙二醇、聚氨酯、硅酸乙酯、硅烷偶联剂和二乙二醇乙醚等改性剂改性水玻璃均能提高微波硬化水玻璃砂的抗吸湿性。 - Orthogonal tests determined the optimal reaction conditions: after the first step reaction, the reacted solution and sodium nitrite solution were mixed, then the above mixture was add to the silver nitrate solution, the reaction temperature is 20 ℃, extracted by ethyl acetate.
确定最佳实验条件为：将第一步反应完后的混合溶液与亚硝酸钠溶液混合，再将其滴加到硝酸银溶液中，反应温度为20℃，萃取溶剂使用乙酸乙酯。