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- poly carboxylic acid water reducing agent 聚羧酸减水剂
- co - poly carboxylic acid 聚羧酸共聚物
- Keywords poly（carboxylic acid silyl ester）;synthesis method;degradable behavior; 聚羧酸硅基酯;合成方法;可降解性;
- Make an approach to influence of poly carboxylic acid water reducing agent on crack resistance of concrete and its mechanism 聚羧酸减水剂对混凝土抗劈裂性能的影响及其机理探讨
- Study on molecule structure characterization of poly carboxylic acid water reducing agent and its relationship with performance 聚羧酸减水剂分子结构表征及其与性能的关系研究
- poly carboxylic acid 聚羧酸
- 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。
- 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。
- One exception is the decarboxylation of aromatic carboxylic acids. 芳香羧酸进行脱羧反应是一个例外。
- 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。
- 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，
- 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。
- 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。
- 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。
- 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。
- FD is a kind of retanning agent condensated with glyoxal,formaldehyde,carboxylic acid and urea. 复鞣剂FD是一种由乙二醛、甲醛、羧酸衍生物、尿素等缩合而成的两性皮革复鞣剂。
