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- Phenoxy acetic acid was prepared in the pressence of chloroacetic acid, phenol and NaOH under microwave irradiation. 用微波辐射合成苯氧乙酸,考察了不同反应条件对收率的影响,优化出最佳反应条件,收率可达97.3%25。
- An acetic acid solution of a drug. 醋剂一种药物的乙酸溶液
- The wine in him has almost melted acetic acid. 他一肚皮的酒几乎全化为了醋酸。
- In the presence of acetic acid and polyethylene glycol,phenol reacted with ceric ammonium nitrate to from 2,4-dinitrophenol. 在醋酸、相转移催化剂聚乙二醇存在下,苯酚与硝酸铈铵反应生成2,4-二硝基苯酚。
- Containing acetic acid,phenol compounds,lcohol and other nutritious elements have bactericidal antipruritic, beriberi,and other control functions. 含醋酸、酚系化合物、醇等营养成分,具有杀菌止痒、防治脚气等功能。还可以预防肌肤干燥并促进血液循环。
- Nantong Acetic Acid Chemical Co., Ltd. 南通醋酸化工股份有限公司
- Acetic acid prednisone what is dragon? 醋酸强的松龙是什么?
- When ethanol is exposed to air and the action of vinegar bacteria, it is converted into acetic acid and water. 当乙醇暴露于空气中受醋酸细菌的作用时便变成醋酸和水。
- Under microwave irradiation, meclofenoxatum was synthesized through alkylation of the substituted phenol and esterification of 4-chlorophenoxy acetic acid. 摘要在微波辐射下,以对氯苯酚为原料,通过取代酚的醚化、酯化来合成氯醒酯。
- The solvent was evaporated under reduced pressure and water (100 ml) and acetic acid (12 ml) were added to the residue. 溶液减压蒸馏,在残留物中加入100毫升水和12毫升醋酸。
- Under microwave irradiation,meclofenoxatum was synthesized through alkylation of the substituted phenol and esterification of 4-chlorophenoxy acetic acid. 在微波辐射下,以对氯苯酚为原料,通过取代酚的醚化、酯化来合成氯醒酯。
- The chemist sucked up 20cc. of acetic acid into a pipette. 药剂师把20立方厘米醋酸吸入吸量管中。
- Lime is a common neutralizing reagent used in acid water treatment. 石灰是酸性水处理中常用的中和剂。
- The solvent was evaporated under reduced pressure and water (100 ml. and acetic acid (12 ml. were added to the residue. 溶液减压蒸馏,在残留物中加入100毫升水和12毫升醋酸。
- Of, relating to, or containing acetic acid or vinegar. 乙酸的,醋酸的与乙酸,醋有关或含有乙酸,醋等成分的
- Of, relating to, or producing acetic acid or vinegar. 醋酸的,醋的醋酸的或醋的,与醋酸或醋有关的,产生醋酸或醋的
- To convert or become converted to acetic acid or vinegar. 使变酸,使醋化变成或使变成乙酸或醋
- The possible application of electrolyzed strong acid water is pointed out. 该技术为一种环保型的消毒杀菌技术。
- It was showed that the stability of TiO_2/ZnO water sol increased with increase of ZnO rate and dosage of acetic acid. 结果表明:TiO2/ZnO复合水溶胶的稳定性随着ZnO所占比例的增大,冰乙酸量的增多都逐渐增强;
- Titrate the mixed solution with ethanol solution of acetic acid. 用乙酸的乙醇溶液滴定溶液的碱浓度。