vinyl group
英 [ˈvaɪnl ɡruːp]
美 [ˈvaɪnl ɡruːp]
网络 乙烯基; 万恩佑; 至乙烯基组; 乙烯基团
英英释义
noun
- a univalent chemical radical derived from ethylene
双语例句
- The silicone-acrylate emulsion and architectural coating were prepared with acrylate and silicone intermediate which was synthesized by vinyl group silicone monomer and cyclo-form silicone monomer.
先将乙烯基有机硅单体及环状有机硅单体在碱催化下,合成有机硅预聚体,再与丙烯酸酯进行共聚制得硅丙乳液及其建筑涂料。 - The vinyl group in the vinyl ester is a typical ABX system in NMR, other spectral characteristics are the same as in maleopimaric acid.
马来海松酸乙烯酯上的乙烯基在核磁共振谱图中呈现为很好的ABX系统,其他光谱特征与马来海松酸相同。 - While two sorts of ferrocene units appeared in the cationic copolymer: one had a pendent vinyl group which had not taken part in the polymerization, and the other had a cross-linking structure with two alkenyl groups.
而阳离子共聚物的二茂铁单元有两种不同结构:一个烯基未参与聚合反应的悬挂结构(38.9%)和两个烯基分别成链的交联结构(61.1%)。 - Determination of vinyl group in silicone rubber by coulometry
用库仑法分析硅橡胶中乙烯基的含量 - The Synthesis of Macroporous Styrene-Divinylbenzene Copolymers with Controlled Pendent Vinyl Group and the Studies of their Adsorption Properties
含有悬挂双键的苯乙烯&二乙烯苯大孔共聚物的合成及吸附性能研究 - The effects of the type and content of vinyl monomer containing polar group on the flame retardance of PP were studied.
着重探讨了含极性基团的乙烯基单体种类及用量等因素对PP阻燃性的影响。 - The difference mainly depends on distance between the heme vinyl groups and cysteine residues, the vinyl group spatial positioning and their microenvironments.
这种差别主要取决于所引入半胱氨酸与heme乙烯基之间的距离,乙烯基自身的取向,以及各自所处的微环境等因素。 - The results showed that the vinyl ester of disproportionated rosin consisted mainly of vinyl ester of dihydroabietic acid and dehydroabietic acid in 3: 4 ( wt), their vinyl group was a typical ABX system in the NMR.
结果表明:国产歧化松香乙烯酯的主要成分是二氢枞酸和脱氢枞酸的乙烯酯,二者重量比为3:4; - Studies on the atom transfer radical copolymerization of vinyl monomer and vinyl monomer containing nitroxide group
乙烯基单体与含氮氧稳定自由基单体的原子转移自由基共聚合研究 - The derivatives of 3-N-substituted and other 3-substituted methyl pyropheophorbide-α were synthesized by modification of vinyl group at 3-position of 2.The structures of all new compounds were characterized by (~ 1H NMR), IR, MS and elemental analysis.
通过对2的3-乙烯基的修饰,获得了3-N-取代类衍生物。新化合物的结构均经1HNMR,IR,MS及元素分析确证。