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- an exocyclic double bond. 环外的一对化学键
- exocyclic double bond 环外双键
- An organic compound containing many double bonds. 多烯一种包含许多双键的有机化合物
- The Alkene Double Bond: A Focus of Reactivity. 21烯烃的双键:重点是反应活性。
- One atom of oxygen is linked to the nitrogen atom by a double bond. 一个氧原子以双键与氮原子相连。
- Ring closing metathesis (RCM) of dienes to cycloalkene provides an important tool for C-C double bond formation catalyzed by metal carbene. 关环转换反应是形成碳碳双键的重要反应之一,即双烯化合物在金属碳烯催化下关环得到环烯类化合物。
- Lyase An enzyme that catalyzes the separation of two parts of a molecule with the formation of a double bond in one of them. 裂解酶:一类能催化一个分子的两部分分离,并在其中一个上形成双键的酶。
- Compared with diolefine rubber,EPDM has less double bond. 与二烯烃橡胶相比,EPDM的双键很少。
- In the ethyne molecule, a double bond links together the two carbon atoms. 在乙烯分子中是由一个双键将两个碳原子连结在一起的。
- When polarized UV irradiated the film, the photopolymerizable double bond could occur[2+2]cycloaddition.Through this process an anisotropic film was prepared. 用偏振紫外光照射光敏性自组装膜,与光矢量方向匹配的香豆素基团发生[2+2]周环反应,反应产物沿辐照光的偏振方向分布,形成表面张力各向异性的薄膜。
- Oxazolidine, which has both double bonds reduced. -{恶唑}-啉,其中一个双键被还原。
- The triple bond does not usually react so vigorously at a carbon-carbon double bond. 三键在反应时一般不象烯烃中的碳-碳双键那样剧烈。
- The molar absorbance at 350 nm increases if the aldehyde contains a double bond. 如果醛含一个双键,则摩尔光吸收在350nm处增加。
- Any of various,often explosive chemicals formed by attachment of ozone to the double bond of an unsaturated compound and used in analytical chemistry to locate such bonds. 臭氧化物,任一种有爆炸性的化学物质,由不饱和化合物的双键上添加臭氧形成的,并用在分析化学中确定这些键的位置。
- They react by adding other chemical agents at the double bond to form derivatives or polymers. 这些化合物的最大用途在于双键与其它化学物质的反应。
- Compounds containing two double bonds are called dienes. 包含两个双键的化合物叫做二烯烃。
- Title: Determination of Double Bond Position in Conjugated Dienes in Sex Pheromones of Dendrolimus SPP. 关键词:4-甲基-1,2,4-三唑啉-3,5-二酮;共轭双键;气相色谱-电子轰击质谱;性信息素;云南松毛虫
- I gave him money as an inducement to leave. 我给他钱,诱使他离去。
- One is the Rutin.The other is carotenoids consisting of double bond, carbonyl and hydroxyl. 黄酮成分主要是芦丁,类胡萝卜素具有双键、羰基和羟基。
- That's rather an effective use of color. 这种使用颜色的手法效果相当好。