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- One exception is the decarboxylation of aromatic carboxylic acids. 芳香羧酸進(jìn)行脫羧反應是一個(gè)例外。
- 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劑，但這種催化劑有許多缺點(diǎn)。
- The scheme initially involves acylation of thiophene using a carboxylic acid to afford the acyl thiophene. 這條路線(xiàn)是先用羧酸使噻吩已?；频盟峄绶?。
- Tbe carboxylic acids (oleic acid or oleate) remain important collectors in the fluorite flotation. 羧酸類(lèi)(油酸或油酸鹽)仍然是螢石浮選的主要捕收劑。
- REDOX Relationships amongst Alcohols, Aldehydes and Ketones and Carboxylic acids. 醇，醛與酮和羧酸之間的氧化還原關(guān)系。
- Amino acids contain both acids(carboxylic acids)and bases(amino group), so they react sith both acids and bases. 氨基酸包含酸（羧酸）和堿（氨基團）所以它既可以與酸反應也可以和堿反應。
- They are non-toxic compounds and harmlessness that are familiar binary carboxylic acids. 它們無(wú)毒無(wú)害，是常見(jiàn)的二元羧酸。
- 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機介質(zhì)中催化制備過(guò)氧酸，丙烯醇在過(guò)氧酸的作用下發(fā)生環(huán)氧化反應生成環(huán)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。
- Decarboxylase An enzyme that catalyzes the decarboxylation of carboxylic acids, including the conversion of amino acids to amines. 脫羧酶：能夠催化羧酸進(jìn)行脫羧反應的酶，包括氨基酸轉化為胺的反應。
- In the reaction, some aniline is completely oxidized to CO2 or partially oxidized to carboxylic acid. 在反應中有一部分苯胺被完全氧化或部分氧化成CO2或羧酸，
- L-Histidine (L-His) could be racemized in carboxylic acids used as solvents in presence of catalyst such as salicylaldehyde. 摘要L-組氨酸在醛的催化下，可在羧酸溶劑中發(fā)生消旋。
- PVAC latex is prepared by the polymerization of the new type of ethylene carboxylic acid . 采用乳液聚合制備了新的丙烯酸改性的聚乙酸乙烯酯(PVAC)乳液。
- Aryl nitriles were obtained by the reactoin of the corresponding carboxylic acids with urea in the presence of sulfamic acid in solvent. 報道了芳羧酸在氨基磺酸存在下,在溶劑中同尿素反應生成芳腈的新的合成方法,并同熔融法的實(shí)驗結果進(jìn)行了對比。
- The alkali-treated "cage" polyamidoxime adsorbent (BCAO) possesses the high adsorptivity for the adsorption of carboxylic acids. 堿處理籠形聚偕氨肟樹(shù)脂（BCAO）對羧酸表現出強的吸附能力。
- Rotundine was used as chiral auxiliary for NMR analysis of racemic carboxylic acids and it turned out to be an effective chiral solvating agent(CSA). 以羅通定為手性溶解劑,用核磁共振方法分析了幾種外消旋羧酸。
- 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 formate activates the carboxylic acid and functions as a source of nucleophilic alkoxide. 羧酸甲酸激活的職能和核醇源泉.
- The paper introduces the catalyst research advances in esterification reaction of carboxylic acid. 本文介紹了羧酸酯化反應催化劑的研究進(jìn)展。
