Simultaneous determination of cyclopentadiene,dimethylformamide and N-methylpyrrolidone in isoprene by capillary column gas chromatography;
毛细管色谱法同时测定异戊二烯中环戊二烯、甲基吡咯烷酮和二甲基甲酰胺
Inhibition of N,N-diethylhydroxylamine to isoprene;
N,N-二乙基羟胺对异戊二烯的阻聚作用
Homogenous Nd(vers)_3/Al(i-Bu)_2H/Al(i-Bu)_2Cl catalyst for isoprene polymerization;
均相Nd(vers)_3/Al(i-Bu)_2H/Al(i-Bu)_2Cl催化聚合异戊二烯
TiCl4/MgCl2 catalyst modified by n-octanol was used in polymerization of isoprene aimed at preparing a composite consisting of 3,4-polyisoprene (3,4-PIp) and trans-1,4-polyisoprene (TPI), a kind of novel material with superior comprehensive properties.
以正辛醇改性TiCl4/MgCl2催化剂,将其用于异戊二烯聚合以期制得综合性能较为优异的3,4-聚异戊二烯／反式-1,4-聚异戊二烯(3,4-PIp／TPI)新型复合材料。
The structure and crystalline morphology of polyisoprenes were characterized with ((~1 )H)-NMR and DSC.
所得聚异戊二烯的3,4-结构质量分数为8。
It is shown that under the same conditions the hydrogenation of polyisoprene is not as full as NBR and SBR.
用乳液聚合法合成了聚异戊二烯胶乳，用水合肼／Ｈ２Ｏ２的方法进行了乳液加氢试验。
The abundance of isoprenoidies is relatively low,and no preference between pristane and phytane of crude oil in the Kashan block.
伊朗库姆盆地已发现2类成熟原油:1)卡山区块原油类异戊二烯中植烷与姥鲛烷均势;萜烷中以C30藿烷为主,含有较高的Ts、C30重排霍烷,γ蜡烷较低;甾烷中重排甾烷含量高。
The features of the biomarkers in the oil are of relatively low abundance of isoprenoidies,and no preference between pristane and phytane.
7‰;生物标志物中类异戊二烯含量较低、植烷与姥鲛烷均势;萜烷以C30藿烷为主,含有较高含量的Ts、C30重排霍烷和一定含量的伽马蜡烷;甾烷以C27甾烷为主,重排甾烷含量高,异胆甾烷含量高于胆甾院。
Isoprenoids are a large group of natural compounds and functionally important for many aspects of cell metabolism.
类异戊二烯及其衍生物构成了自然界极为多样性的化合物,这些化合物在细胞的初级和次级代谢中起着重要的作用。
isobutylene-isoprene copolymer
异丁烯－异戊二烯共聚物
butadiene isoprene copolymer
丁二烯-异戊二烯共聚物
NIR (acrylonitrile-isoprene rubber)
丙烯腈-异戊二烯橡胶
nitrile-isoprene latex
丙烯腈-异戊二烯胶乳
styrene-isoprene rubber latex
苯乙烯-异戊二烯胶乳
isoprene styrene latex
异戊二烯-苯乙烯胶乳
liquid polyisoprene rubber
液体聚异戊二烯橡胶
filled polyisoprene rubber
填充聚异戊二烯橡胶
trans-1,4 polyisoprene rubber
反式－１,４聚异戊二烯橡胶
cis-1,4 polyisoprene rubber
顺式－１,４聚异戊二烯橡胶
Study on the High Trans Butadiene-Isoprene Copolymer
高反式丁二烯—异戊二烯共聚物的研究
Syntheis of Trans-1, 4 and 3, 4-Polyisoprene Compound Rubber
反式-1，4和3，4-聚异戊二烯复合异戊橡胶的合成
STUDIES ON THE SYNTHESIS OF BUTADIENE/ISOPRENE/STYRENE POLYMER INITIATED BY DILITHIUM INITIATORS;
双锂体系丁二烯/异戊二烯/苯乙烯聚合物的研制
The Terpolymerization of Styrene-butadiene-isoprene to Synthesize SIBR;
苯乙烯—丁二烯—异戊二烯三元共聚合成SIBR
Study on a Novel Block Polymer Comprising Styrene, Butadiene and Isoprene;
苯乙烯/丁二烯/异戊二烯新型嵌段聚合物的研究
Study on Star Polymer of Styrene /Isoprene/ Butadiene;
苯乙烯/异戊二烯/丁二烯星型聚合物的研究
Polymerization Kinetics Behavior of Butadiene/Isoprene/Styrene with Tin-Containing Organolithium as Initiator
SnLi引发苯乙烯/异戊二烯/丁二烯聚合动力学
Rubber--Determination of polyisoprene content
GB/T15904-1995橡胶中聚异戊二烯含量的测定