您要查找的是不是：
- Isopropylidene 5-(3-oxo-alkyl)malonates (3) were synthesized by condensation of Mannich base of isopropylidene malonate with methyl ketones in the presence of faint acid, such as acetic acid. 5-烃基丙二酸亚异丙酯的Mannich碱和甲基酮在弱酸如醋酸的存在下;合成得到缩合产物5-(3-氧代烃基)丙二酸亚异丙酯(3).
- Mannich base is a corrosion inhibitor with superior property and is applied widely in well acidizing treatments. 曼尼希碱是一类性能优良的缓蚀剂,并在油气井酸化作业中大量应用。
- Then two mannich bases had been prepared by mannich bases reaction. 然后经曼尼希碱反应，生成两种曼尼希碱。
- According to the characteristics of oil reservoir at high temperature, the two corrosion inhibitors that are imidazoline and Mannich base were synthesized. 根据高温油藏的特点,室内合成了咪唑啉类和曼尼希碱两种缓蚀剂,通过失重法分别评价了两种缓蚀剂在15%25盐酸溶液中的缓蚀性能。
- This paper described the Mannich reaction of selenamorpholine, which reacted with aldehydes and acidic components gave seven Mannich bases. 用硒代吗啉与不同的酸组分、醛组分反应得到七个曼尼希反应的产物。
- Mannich reaction was carried out between iso-propylidene malonate and aliphatic amines under mild condition. The structures of Mannich bases were confirmed by elementary analysis,IR, 1HNMR and UV spectroscopies. 研究了丙二酸亚异丙酯与脂肪族胺的单取代曼尼希反应 ,通过对曼尼希碱的 IR、UV、1HNMR及元素分析表征了其结构 ,发现其生成的曼尼希碱主要以内盐式存在。
- Keywords isopropylidene Malonate;mannich base;benzaldehyde; 丙二酸亚异丙酯;曼尼希碱;苯甲醛;
- Keywords cyclopentanone derivative;Mannich base;antiinflammation; 环戊酮衍生物;曼尼希碱;抗炎;
- Our quality is based solely on our sales samples. 我们的质量完全以货样为准。
- The story is based mainly on tradition. 这故事主要来自传说。
- SYNTHESIS OF MANNICH BASES WITH KETONES AS ACIDIC COMPONENTS 用酮作为酸性组分的Mannich碱的合成
- The story is based on historical facts. 这个故事是以历史事实为根据的。
- Based on speculative or abstract reasoning. 哲学上的，理论上的建立在思辩或抽象的推论之上的
- The TV play was based on real life. 那出电视剧是根据现实生活写成的。
- Capitalism is based on private ownership. 资本主义是建立在私有制基础上的。
- Our conclusion is based entirely on fact. 我们的结论完全是实事求是的。
- This play is based on a true story. 这出戏以真事为基础。
- This film is based on a novel by D.H.Lawrence. 这部影片是根据D.;H
- This novel is based on historical facts. 这部小说是以历史事实为根据的。
- A good marriage is based on trust. 美满的婚姻是建立在互相信任的基础上的。
