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- Carboxylic acid esters are important chemical raw materials. 羧酸酯是重要的化工原料。
- The product was alsoanalyzed hy IR spectrum instrument and the result proved the present of phos-phoric acid ester group. 對于制備出的磷酸化羊毛脂作了紅外光譜鑒定,證明了磷酸酯(鹽)基團的存在;
- 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劑，但這種催化劑有許多缺點(diǎn)。
- Keywords Phenoxy carboxylic acid ester;Hydroxy diphenyl ether;Synthesis; 關(guān)鍵詞苯氧羧酸酯;羥基二苯醚;合成;
- Keywords Micellar catalysis;Carboxylic acid ester;Hydrolysis;Ammonolysis; 膠團催化;羧酸酯;水解;氨解;
- Keywords macrocyclic polyamine;metal complex;carboxylic acid ester;artificial enzyme;copper;supramolecular recognition; 大環(huán)多胺;金屬配合物;羧酸酯;人工酶;銅;超分子識別;
- propylene glycol ether carboxylic acid esters 丙二醇醚羧酸酯
- Aliphatic carboxylic acid esters 脂肪族羧酸酯
- The hydroxyl and carboxyl,belonging to auxochromic groups,were oxidized into the carbonyl and ester groups. [方法]通過(guò)對刺槐木材變色前后丙酮抽出物的定性分析,得出變色前后丙酮抽出物的主要成分,進(jìn)行對比分析,初步得出抽出物對誘發(fā)變色的作用。
- Phenoxy carboxylic acid ester 苯氧羧酸酯
- indoxyl carboxylic acid ester 吲哚羧酸酯
- Preparation methods and degradation behavior for poly(carboxylic acid silyl ester)s were reviewed. 綜述了聚羧酸硅基酯的合成方法和降解性質(zhì)。
- The effect of potassium borohydride on ester and carboxylic acid reduction was introduced. 研究了硼氫化鉀對酯和羧酸的還原作用。
- Nitric acid oxidation was found to reduce the surface hydroxyl (OH) groups in increasing the carboxylic acid (COOH) groups. 硝酸氧化減少了碳纖維表面的羥基含量，同時(shí)增加了碳纖維表面的羧基含量。
- This formula contains carboxylic ester boric acid ester, borate and other inorganic additives as rust prevention additives and lubricating additives. 該配方采用羧酸酯、羧酸醇胺等有機防銹劑與其它無(wú)機防銹劑協(xié)同防銹,采用合成硼酸酯、硼酸鹽和油酸三乙醇胺作為潤滑劑和極壓劑。
- Stearic acid (octadecanoic acid) A saturated carboxylic acid, which is widely distributed in nature as the glyceride ester. 硬脂酸：是自然界中以甘油酯形式廣泛分布的飽和羧酸。
- Synthesis of acyl azide from aldehyde, or acylhydrazine, or carboxylic acid ,or acyl chlo-ride, or anhydride,or ester is introduced in this paper. 介紹了由醛、酰肼、羧酸、酰氯、酐或酯合成?；B氮化合物方法。
- Keywords oximato complexes;carboxyl acid esters;hydrolyses;kinetic treatment; 肟基配合物;羧酸酯;水解;動(dòng)力學(xué)處理;
- According to the literature, these part of the lipid may represent the ester group. 根據其他文獻顯示，這一部份的脂肪波峰可能代表酯類(lèi)的官能基。
- Esterification is a common organic reaction,usually with the catalysis of acid carboxylic acid and alcohol produce ester. 酯化反應是常見(jiàn)的有機反應,通常是在酸催化作用下由羧酸與醇反應生成酯。
