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Synthesis of a New Kind of Liquid Crystalline Aromatic Carboxylic Acid Compounds 一类新的液晶性芳香羧酸化合物的合成
Carboxylic acid esters are important chemical raw materials. 羧酸酯是重要的化工原料。
Sulfuric acid is main catalyst for the synthesis of carboxylic acid esters. 羧酸酯的合成主要用硫酸作催化剂，但这种催化剂有许多缺点。
The scheme initially involves acylation of thiophene using a carboxylic acid to afford the acyl thiophene. 这条路线是先用羧酸使噻吩已酰化制得酸基噻吩。
One exception is the decarboxylation of aromatic carboxylic acids. 芳香羧酸进行脱羧反应是一个例外。
Carboxylic acid was peroxidized in organic solvents catalyzed by lipase and glycidol was synthesized from allyl alcohol catalyzed by acid peroxide. 摘要利用脂肪酶在有机介质中催化制备过氧酸，丙烯醇在过氧酸的作用下发生环氧化反应生成环氧丙醇。
Nitric acid oxidation was found to reduce the surface hydroxyl (OH) groups in increasing the carboxylic acid (COOH) groups. 硝酸氧化减少了碳纤维表面的羟基含量，同时增加了碳纤维表面的羧基含量。
In the reaction, some aniline is completely oxidized to CO2 or partially oxidized to carboxylic acid. 在反应中有一部分苯胺被完全氧化或部分氧化成CO2或羧酸，
Fushen chemical technology-professional than one acid compound hydrogen potassium salt manufacturers. 福神化工科技-专业的过一硫酸氢钾复合盐制造商。
PVAC latex is prepared by the polymerization of the new type of ethylene carboxylic acid . 采用乳液聚合制备了新的丙烯酸改性的聚乙酸乙烯酯(PVAC)乳液。
Ingredients: vitamin E, natural pearl powder, 9 amino acid compound, active oxygen factor PFP etc. 成份：维他命E，天然珍珠粉，9种氨基酸复合体，活氧因子PFP等
Preparation methods and degradation behavior for poly(carboxylic acid silyl ester)s were reviewed. 综述了聚羧酸硅基酯的合成方法和降解性质。
The comprehensive influence order was: Handilong>yellow humic acid compound fertilizer>transpiration resistant agent. 综合影响顺序为：旱地龙＞黄腐殖酸复合肥＞抗蒸腾剂。
The formate activates the carboxylic acid and functions as a source of nucleophilic alkoxide. 羧酸甲酸激活的职能和核醇源泉.
The paper introduces the catalyst research advances in esterification reaction of carboxylic acid. 本文介绍了羧酸酯化反应催化剂的研究进展。
Studies on the Phenolic Acid Compounds from Lonicera confusa DC. 山银花中酚酸类成分研究。
Ingredients: Chamomile extract, hamamelis extract, pyrroldone carboxylic acid, HA, etc. 主要成份：春黄菊提取液，金缕梅提取液、吡咯烷酮羧酸、透明质酸等。
A reddish acid compound, chiefly potassium bitartrate, found in the juice of grapes and deposited on the sides of casks during winemaking. 酒石酸氢钾一种在葡萄汁中找到的并在酿酒过程中沉淀于桶壁的浅红色酸性化合物，主要指酒石酸氢钾
Pyruvic acid A 3-carbon carboxylic acid (CH3COCOOH) that is an intermediate in GLYCOLYSIS. 丙酮酸：一种三碳羧酸(CH3COCOOH)，是糖酵解的中间物。
OBJECTIVE:To evaluate the efficacy and safety of urea &lactic acid compound ointment for the treatment of ichthyosis vulgaris. 目的:评价尿素乳酸软膏治疗寻常型鱼鳞病的有效性和安全性。