acetic acid reaction
英 [əˈsiːtɪk ˈæsɪd riˈækʃn]
美 [əˈsɛtɪk ˈæsɪd riˈækʃn]
网络 里瓦尔塔氏反应
双语例句
- Taking the synthesis of butyl acetate by the catalytic esterification of acetic acid and butanol as a probe reaction, a series of studies on the preparation of the catalyst and its activity was made.
以乙酸和正丁醇催化酯化合成乙酸丁酯为探针反应，对氧化铌负载型催化剂的制备与催化活性进行了一系列研究，得出了优惠工艺条件。 - Synthesis and Alcoholysis of the IPNs of Styrene and Vinyl Acetate; New Process to Prepare Ethyl Acetate from Ethylene and Acetic Acid Addition Reaction
聚苯乙烯&醋酸乙烯酯互贯聚合物网络的合成与醇解反应醋酸与乙烯加成制取醋酸乙酯的新工艺 - New Process to Prepare Ethyl Acetate from Ethylene and Acetic Acid Addition Reaction
醋酸与乙烯加成制取醋酸乙酯的新工艺 - Methods Study the effect of the water extract of Agave americana proliferating induced by cotton pellet in rats and increasing capillary permeability induced by acetic acid and pain reaction induced by acetic acid in mice.
方法通过观察龙舌兰水提取液对大鼠棉球肉芽增生、醋酸引起小鼠毛细血管通透性增高及醋酸引起小鼠躯体疼痛的影响。 - The influence factors including the amount of ammonium hydrogen carbonate and acetic acid, reaction time, the ratio of liquid-to-solid on converting rate of lead in the processing of ammonium hydrogen carbonate transformation have been studied in detail.
探讨了铋冶炼浸渣采用碳酸氢铵转化过程中，碳酸氢铵与浸渣配比、碳酸氢铵及醋酸加入量、反应时间、液固质量比等因素对铅的转化率的影响。 - The hydrated ferric sulfate was used as a catalyst for esterification of alcohol with glacial acetic acid and discussed the best condition in reaction of esterification.
报道了以硫酸铁水合物作催化剂合成乙酸酯的研究结果，并讨论了该酯化反应的最佳条件。 - Reaction time, content of acetic acid, reaction medium, water activity, reaction temperature and substrate structure all had remarkable effects on the reaction.
结果表明，反应时间、添加乙酸、反应介质、反应体系水活度、反应温度和底物的结构对醇腈酶反应均有显著影响。 - When the catalyst dosage was 0.004 mol, the ratio of n-butanol to acetic acid was 0.6, the reaction time was 20 min under stirring and refluxing, the yield of n-butyl acetate reached 86.3%.
当催化剂用量为0.004mol，正丁醇和乙酸的摩尔比为0.6，回流搅拌反应20min时，产品乙酸正丁酯的收率可达86.3%。 - Study of corroding factor of carbonylation of methanol to acetic acid by reaction system of polymerrhodium catalyst is reported, and the corrosion test results of different metals are discussed.
报道了甲醇羰基化反应制乙酸的高分子催化剂的反应介质对材质腐蚀的原因，比较了不同金属的抗腐实验结果。 - The optimum reaction conditions were determined as follows: the amount of catalyst 3. 0% based on the total mass of reactants, the molar ratio of amyl alcohol to acetic acid 1.2 ∶ 1, reaction time 60 min, reaction temperature 112~ 140 ℃.
确定了最佳反应条件：催化剂用量占反应物料总质量的30%，醇酸摩尔比1.2∶1，反应时间60min，反应温度112~140℃。 - P-Nitrosophenol was synthesized by nitrosation reaction of phenol with a mixture of sodium nitrite and sulfuric acid in the acetic acid medium, The best reaction conditions were selected through orthogonal method.
以苯酚、亚硝酸钠和硫酸为原料，在醋酸介质下进行亚硝化反应合成对亚硝基苯酚，并通过正交试验法筛选出最佳反应条件。 - Results show that the yield rate of benzyl acetate comes up to 78.6% when cyclohexane is used as the water-taking reagent, and the molar ratio of acetic acid to benzyl alcohol and the reaction time are respectively 1.1 ∶ 1 and 20 minutes.
结果表明，以环已烷为带水剂，在酸醇物质的量比为1.1∶1，反应时间为20min时，乙酸苄酯的产率达78.6%。 - A mathematic model used for cracking furnace of acetic acid toacetic anhydride with two section of reaction coil has been set up.
本文建立了以醋酸为原料制取醋酸酐的两段管裂化炉数学模型。 - The acetylation of the hydrocarbon fraction of cedar wood oil with acetic anhydride~ polyphosphoric acid and the prins reaction of d& limonene with acetic anhydride~ paraformaldehyde have been studied.
本文研究了柏木萜烯与醋酐～多聚磷酸的乙酰化反应和d-芋烯与醋酐～多聚甲醛的Prins反应，经正交试验结果，柏木萜烯乙酰化反应得率为70%。 - An Explore of Direct Conversion of CH_4 and CO_2 to Acetic Acid by a Two-step Reaction Sequence
CH4&CO2两步法直接合成乙酸的研究 - Studies on Direct of CH_4 and CO_2 to Acetic Acid by Two-step Reaction Sequence
CH4-CO2两步反应直接合成乙酸研究 - The Chinese medicinal liniment had good anti inflammatory function on rat ( P < 0 01) and good analgesic function on mouse ′ s caused by acetic acid torsion reaction and heat stimulation ( P < 0 01).
中药擦浴剂对大鼠有良好的抗炎作用（P<001）；对小鼠醋酸扭体反应及热刺激所致疼痛反应有良好的镇痛作用（P<001）。 - Then, using hemin as catalyst, H2O2 produced by photochemical reaction oxidase p-hydroxyphenyl acetic acid ( HPA) and causes fluorescence reaction coupled of it. Based on this result, a new fluorimetric method was developed for indirect determination of glutaminic acid.
利用氯化血红素（hemin）作为过氧化酶的替代物，催化H2O2与对羟基苯乙酸（HPA）的偶合荧光反应，建立了间接荧光法测定谷氨酸的方法。 - Through the experiment on synthesis of2,4-dihydroxyphenyl acetic acid, the influences of reaction time, the molar rate of raw materials and hydrolysis on the yield of the product were studied.
通过2，4-二羟基苯乙酸的合成考察了反应时间、物料配比和水解过程对反应的影响。 - Oxidation of toluene catalyzed by N – hydroxyphthalimide ( NHPI)/ transitions metals with molecular oxygen in the acetic acid reaction medium was reported.
报道了以N–羟基邻苯二甲酰亚胺（NHPI）/过渡金属为催化剂，乙酸为反应介质，氧气为氧化剂，催化甲苯氧化。 - Synthetic process of cerium acetate and rare earth acetate was presented and influences of concentration of acetic acid, reaction temperature, proportion between acetic acid and cerium carbonate, and reaction time on the dissolve solubility of cerium carbonate were discussed.
研究了醋酸铈及醋酸稀土的研制工艺。分析了醋酸浓度、反应温度、醋酸与碳酸铈固液比、保温时间对碳酸铈溶解收率的影响。 - The peroxy acetic acid was used for following extraction of feather keratin: treating the feather in peroxy acetic acid solution and then conducting the reaction in an autoclave under certain temperature and pressure.
采用高温过氧乙酸法处理鸡羽毛，即先用过氧乙酸溶液处理羽毛，然后于反应釜中以一定的温度和压力反应。 - Macroporous resin purified the saponins. UV spectrophotometric is used to assay saponin content after the vanillin acetic acid-perchloric acid color reaction when the standard substance is Astragaloside.
大孔吸附树脂纯化皂苷，以黄芪甲苷为对照品，香草醛乙酸&高氯酸显色反应后，紫外分光光度法测定皂苷含量。 - Peptostreptococcus played an main role on the accumulation of acetic acid. The main metabolic pathway for producing acetic acid was the Stickland reaction between different amino acids.
乙酸的累积主要是消化链球菌属通过氨基酸之间的Stickland反应形成的。 - Because biomass pyrolysis oils usually contain large amount of water and acetic acid, their influences on the O-methylation reaction were investigated.
由于生物油通常含有大量的水和乙酸，我们也研究了它们对苯酚O-甲基化反应的影响。