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Higher content of allyl ether led to higher curability in air.

随着烯丙基醚用量的增加,树脂在有氧状态下的固化反应能力增强。

This allyl type of resin is a highly transparent , colourless material

这种烯丙基型的树脂是一种高度透明的、无色材料。

This allyl type resin is a highly transparent, colourless material.

这种烯丙基型的树脂是一种高度透明的、无色材料。

No obvious difference was observed when 6′-OH of isonucleoside was free or was protected by allyl group.

异核苷6′-OH处于游离和烯丙基保护状态时的结果没有显著差异。

The influence of reaction temperature and time to production rate of tertiary amine was discussed;and the infrared attribute to Dimethyl ammonium allyl chloride was also carried out.

讨论了反应温度和时间间隔对叔胺产率的影响,并对二甲基二烯丙基氯化铵进行了红外表征。

The results showed that the reaction time was 5 h,reaction temperature was 60℃,the molar ration of allyl chloride to hydroxyl was 1.5,the molar rat...

实验结果表明,最佳工艺条件为反应时间5 h、反应温度60℃、烯丙基氯用量为1.5、季铵盐催化剂用量为聚乙二醇物质的量比的5%,聚乙二醇封端率达到85%以上。

We see the symmetry we have attributed to allylic particles on the basis of the resonance theory; the two ends of each of these molecules are equivalent

我们看到了曾经根据共振论而归因于烯丙基型粒子的对称性,所有这些分子中每个分子的两端都是等性的。

That is encouraging for palladium-catalyzed allylic substitution reactions which is difficult to use in industry due to the current low reactivity of catalysts.

而且,值得注意的是这类配体的反应活性都非常高,对于由于催化剂活性低难以在工业上应用的钯催化烯丙基取代反应来说,这无疑是一大喜讯。

Application of 1, 1'-Planar chiral P, N -ligands into palladium-catalyzed allylic substitution

1, 1'-平面手性二茂铁膦氮配体在钯催化烯丙基取代反应中的应用

It afforded a practical method to synthesize chiral allylic amines.

该方法是合成手性烯丙基胺类化合物的一个非常适用方法。

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推荐网络例句

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了,排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意,我建议我们在价格上大家各让一半。

After an hour and no pup, look for continued contractions and arching of the back with no pup as a sign of trouble.

一个小时后,并没有任何的PUP ,寻找继续收缩和拱的背面没有任何的PUP作为一个注册的麻烦。