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- Alkyds are the condensation product of polybasic acids and polyhydric alcohols (polyls). 多元醇酸树脂由多元酸和多元羟基缩聚而成。
- Method The condensation product of 7 ACA with furan 2 thiol formic acid and reacted with AE thiolester to obtain ceftiofur acid. 方法7-ACA与2-呋喃甲硫羟酸缩合后,与AE活性酯反应得头孢噻呋酸,然后依次将之转化为头孢噻呋盐酸盐及头孢噻呋钠。
- Abstract: 4-Hydroxy-3-methoxymandelic acid, condensation product of guaiacol and glyoxalic acid、 was subjected electrolytic to oxidation and then decarboxylation, to vanillin. 摘 要: 愈创木酚和乙醛酸的缩合产物4-羟基-3-甲氧基扁桃酸,经电解氧化、脱羧等步骤可以合成香兰素。
- It suggests that dimer is an intermediate in condensation reaction, and the end condensation product of sodium new houttuyfonate injection may exist as trimer. 二聚物系缩合过程中的中间过渡状态, 推测新鱼腥草素钠注射液中的缩合产物主要以三聚物的形式存在。
- Polyester resins are the condensation products of polybasic acids and polyols. 聚酯树脂是多元酸和多元羟基化合缩聚而成。
- Experiments of CWS' preparation with the additives synthesized and naphthalenesulfonic acid formaldehyde condensation product show that the mixtures of the additive from naphthalene oil an... 同时对焦油馏分添加剂改善水煤浆性能的作用机理进行了探讨。
- These results clearly show that reduction to 7 always occurs when the reaction conditions allow the presence of aldehyde 4 together with the initial condensation product, dianion 8 (Scheme 2). 这些结果清楚地表明还原反应条件发生时;7总是让在场的乙醛4初级产品与凝结;酸根8(方案2).
- The polysaccharides are all condensation products of hexoses or other monosaccharides. 多糖全部是己糖或其它单糖的浓缩产物。
- The present research analyzed the structure of the condensation products of aniline with acetone by GC-MS. 本文利用GC-MS对苯胺与丙酮缩合反应的产物进行了结构分析。
- The inventive condensation products are suited as structural constituents for epoxy resin compositions. 本发明的缩合产物适合于作为环氧树脂组合物的结构组分。
- The reasons for the condensation products created in the production of acrylic resin finish emulsion, have been analyzed and investigated. 本文对丙烯酸树脂乳液涂饰剂生产过程中产生凝聚物的原因进行分析探讨。
- They are condensation products of salicylicacid, phenol and formaldehyde in the mole ratio of 1:1:3, under various catalysts. 其主要用途为提取链徽素,精制白糖,软化工业用水以及分离金属等。
- urea-formaldehyde condensation product 脲甲醛缩合物
- terpene maleic anhydride condensation product 萜烯-顺(丁烯二酸)酐缩合物
- ureaformaldehyde condensation product 脲甲醛缩合物
- protein-polyamide condensation product 蛋白质-聚酰胺缩合物
- naphthalene sulfonic acid formaldehyde condensation product 萘磺酸甲醛缩合物
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- The new product became a goldmine for the company. 该项新产品成了该公司的聚宝盆。
- naphthalene sulfonic acid-formaldehyde condensation product 萘磺酸甲醛缩合物