查询词典 isoprene

Lewis says that isoprene and terpene were responsible for 30 percent of the ozone in the air during the hottest part of the summer.

他还指出，在夏天最热的时候，空气中的臭氧有30%是由异戊二烯和萜烯生成的。

This is because they have a quiet similar microstructure,so isoprene rubber has the same excellent combination properties with natural rubber in performance.

这是因为它们有着十分相似的微观结构，因此异戊橡胶在性能上与天然橡胶有着一样的优异综合性能。

On the basis of transmission and conservation of solar visible radiation and the analysis on observation data, an empirical model of isoprene emission was built up.

基于可见光辐射传输与守恒的观点，在观测数据的基础上建立了异戊二烯排放通量的经验模式。

Isoprene rubber is one of the general synthetic rubber, but it is quite similar to the natural rubber even like twin.

异戊橡胶是通用合成橡胶的一种，但其却和天然橡胶如同孪生胎十分的相似。

Isoprenoid:Class of organic compounds made up of two or more structural units derived from isoprene.

类异戊间二烯化合物：由两个或多个异戊间二烯单元组成的一类有机化合物。

The experimental results showed that the catalytic activity for the polymerization of isoprene is dominated by the rate constant of absolute propagation in this system.

研究结果表明：该体系催化活性低的主要原因是其绝对增长速度常数太低。

Isoprene is a monomer, which is a substance whose molecules can be linked together chemically to form a polymer.

异戊二烯是一种单分子物体，该物质的分子可以通过化学反应联在一起，从而形成高分子聚合体。

Latex, a material obtained from rubber trees, is a natural polymer of isoprene.

从橡胶树中获得的胶乳是一种天然的异戊二烯聚合物（就是我们所说的天然橡胶）。

Isoprene is one kind of important NMHC, and also the most abundant volatile organic compound releases from vegetation in troposphere.

光化学烟雾和大气臭氧形成的重要前体物之一——非甲烷烃的排放受到研究者的热切关注。

The photochemical graft copolymerization of isoprene on the surface of tetrafluoroethylene-propylene copolymer was effected by external magnetic field.

我们已经报道了异戊二烯在四氟乙烯一丙烯共聚物的光化学接枝反应，并且证实了该反应是按三重态机理进行的〔l。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。