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- acid condensing agent 酸冷凝剂
- METHODS using DCC as condensing agent and DMAP as catalyst,novel 3,19-dicarbonyl-o-isoandrographolides were synthesized by esterification. 方法以DCC为缩合剂,DMAP为催化剂,合成异穿心莲内酯3,19-双酯衍生物。
- METHODS using DCC as condensing agent and DMAP as catalyst, novel 3, 19-dicarbonyl-o-isoandrographolides were synthesized by esterification. 方法以DCC为缩合剂，DMAP为催化剂，合成异穿心莲内酯3,19-双酯衍生物。
- The Vi capsular polysaccharide of Salmonella typhi was bound to diphtheria toxoid(DT) with adipic acid dihydrazide(ADH) as a linker,and EDAC used as a condensating agent. 伤寒V i多糖与白喉类毒素(DT)蛋白以己二酰肼(ADH)作连接臂,在碳二亚胺(EDAC)的作用下结合成V i-DT结合物,进行抗原性、免疫原性和动物安全性试验。
- Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent. 二环己基碳二亚胺(DCC)是酯化、酰胺化等反应常用的一种脱水剂,采用DCC脱水缩合,反应条件温和,合成收率通常较高。
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- I am doing an experiment of neutralizing acid. 我在做一个中和酸的实验。
- Can Jones beat Smith? That's the acid test. 琼斯能击败史密斯吗？那是个严峻的考验。
- A salt or an ester of boric acid. 硼酸盐一种硼酸盐或硼酸酯
- She dropped acid in high school. 她高中时代服迷幻药。
- The metal is fretted with the acid. 金属被酸腐蚀。
- The chemical can behave as an acid. 这种化学制品能起酸的作用。
- The acid has eaten through the metal cover. 酸已把金属盖子蚀穿了。
- The worker's overalls were badly burned by acid. 这位工人的工作装被酸腐蚀得很厉害。
- An acid can react with a base to form a salt. 酸可以和碱起反应而生成盐。
- This substance must be treated with acid. 这材料得用酸来处理。
- The acid burnt a hole in the carpet. 酸把地毯烧了个洞。
- condensing agent 冷凝剂,缩合剂,冶凝剂
