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- Depending upon reaction conditions, the product may be a polyketone formed b y addition polymerization of the ketene double bond. 随着反应条件的不同，产物可以是由烯酮的双键加成聚合得到的聚酮。
- 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。
- It contains the requisite double bond for the addition polymerization which is involved in the cross-linking of the polyester resins and could be used as active diluent and cross-linking agent for UPR. 可利用不饱和聚酯、收缩剂和分散稳定剂适当的配合，组成低收缩型不饱和聚酯：这种组成物可长时间保存而没有低收缩剂漂浮而分层的现象。
- Compared with diolefine rubber,EPDM has less double bond. 与二烯烃橡胶相比,EPDM的双键很少。
- An organic compound containing many double bonds. 多烯一种包含许多双键的有机化合物
- An aqueous polyurethane-polyacrylate hybrid emulsion was prepared by soap-free emulsion polymerization of aqueous polyurethane emulsion with C C double bond modified with acrylic monomer through grafting copolymerization. 采用无皂乳液聚合方法,用丙烯酸酯单体对含C C双键的水性聚氨酯进行接枝共聚改性,制得丙烯酸酯改性聚氨酯无皂乳液。
- 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。
- Bis(polyglycol) maleate, which were obtained by solvent method, reacted with phthalic anhydride, then the double bond of maleic anhydride of polymer obtained with sodium hydrogen sulfite. 采用溶剂法制得马来酸双聚乙二醇酯,与邻苯二甲酸酐缩聚,用亚硫酸氢钠加成缩聚物中马来酸酐上的双键。
- 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。
- 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。
- 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
- 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。
- Compounds containing two double bonds are called dienes. 包含两个双键的化合物叫做二烯烃。
- The process involves two molecules that each contain a double bond between carbon atoms. 这个过程涉及两个分子，即每个碳原子之间都包含了一个双键。
- Abstract Fatty acid desaturases catalyze the insertion of a double bond at the delta position of fatty acids. 摘要 脂肪酸去饱和酶是催化脂肪酸链特定位置形成双键和产生不饱和脂肪酸的酶类。
- Monounsaturated fatty acid(MUFA) is a sort of fatty acids, including a double bond in its carbon chain. 单不饱和脂肪酸(MUFA)是脂肪酸的一种,其碳链上只有一个双键。
- FITR shows that the quality degeneration is mainly caused by double bond rupture in modifier. 傅立叶红外光谱分析表明，改性沥青老化后性能下降主要是改性剂中双键断裂造成的。
