查询词典 double bond

In this study,an influence of a solid "polymer matrix" with different Tg.on double bond conversion in acrylate based formulations were evaluated.

近期的研究评价了具有不同玻璃化温度的固态聚合物基体对丙烯酸酯结构中双键转换的影响。

MTBE can be formed by addition of methanol to the double bond of isobutene.

MTBE可由异丁烯和甲醇经加成反应而合成。

The construction of branched-chain sugar was carried out by hydroboration-oxidation of a double bond in the corresponding hexose.

通过相应的烯糖9的硼氢化-氧化反应构建了支链糖11，同时分离到一系列还原的副产物7c-e，通过X-射线晶体衍射确定了7c和7e新的手性中心的构型。

An improved simple method for carbon-carbon double bond cleavage by silica-supported potassium permanganate was described and a possible mechanism was proposed.

在无有机溶剂做介质的条件下，用硅胶吸附的高锰酸钾氧化6种难溶于水的液态烯烃，得到了双键发生断裂的氧化产物。

In recent years, more and more scientists modify the double bond or benzene ring of resveratrol to get higher active, lower toxicity derivates.

近年来越来越多的科学家对其进行结构改造以得到高活性化合物，例如对双键、苯环的修饰。

"Olefin Any unsaturated hydro carbon containing one or more pairs of carbon atoms linked by a double bond."

烯烃：含有一对或多对由双键连接的碳原子的一类不饱和烃。

A novel rearrangement reaction of enol ester epoxide upon treatment of methoxide was first discovered, which could generate two key essential functions for ring cyclization, C5-OH and 7, 11-double bond in one step.

烯醇酯环氧化物在甲醇钠处理下一步反应派生出两个关环所需的重要官能团：C5-OH和7，11-双键；2。

Ethene can be chemisorbed on the Lewis acid sites Fe〓 by the C=C double bond.

乙烯分子可通过C=C双键吸附在催化剂表面的Lewis酸位Fe〓上。

After that, we introduced a new approach to synthesis of valiolamine, by a series of reaction to the carbon-carbon double bond from the substrate of valienamine, including epoxidation, hydrogenolysis and so on, and obtained the aim product finally.

在完成上述合成路线后，本文通过提出了一条全新的合成伏格列波糖重要中间体valiolamine的路线，即采用对底物valienamine中的碳-碳双键进行环氧化、氢解等一系列反应，成功地制备出所需的中间体，研究全新的合成伏格列波糖的路线，研究结果证实：该新路线已经被打通。

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。

What are your goals and strategies for growth?

你的成长目标和策略是什么？

And unto the angel of the church in Sardis write; These things saith he that hath the seven irits of God, and the seven star I know thy works, that thou hast a name that thou livest, and art dead.

3：1 你要写信给撒狄教会的使者，说，那有神的七灵和七星的，说，我知道你的行为，按名你是活的，其实是死的。