查询词典 allyl

The polymer of rosin allyl alcohol ester was synthesized by microwave irradiation heating and routine heating method. The structure of the polymer was identified by IR, UV.

采用微波加热和常规加热方法聚合得到聚松香丙烯醇酯，分别对聚合物进行了红外、紫外、软化点和热失重分析。

Ce2(SO4)3 was used as an inexpensive and effective catalyst for the Friedel-Crafts alkylation of aromatic compounds with benzyl alcohol s, allyl alcohols and benzyl chlorides.

硫酸亚铈作为一种便宜的和有效的催化剂催化芳香化合物与苄基醇、烯丙醇类化合物和苄基氯的傅-克烷基化反应。

Ce2(SO4)3 was used as an inexpensive and effective catalyst for the Friedel-Crafts alkylation of aromatic compounds with benzyl alcohols, allyl alcohol s and benzyl chlorides.

硫酸亚铈作为一种便宜的和有效的催化剂催化芳香化合物与苄基醇、烯丙醇类化合物和苄基氯的傅-克烷基化反应。

Chemistry of or pertaining to the allyl radical.

烯丙基的或与之相关的。

The carbonylation of allyl bromide and hydrogenation of 1-octene were carried out under atmospheric pressure and at 40℃.

研究了它们在烯丙基溴的常压羰基化反应和1-辛烯的常压加氢反应中的催化性能。

It is possible to achieve the conversion of allyl chloride and selectivity for epichiorohydrin as high as 99% on Ti-MWW.

在Ti-MWW催化剂上烯丙基氯的转化率和环氧氯丙烷的选择性都能达到99%以上。

They think may be due to the direct effect allyl chloride and metabolites, allowing nerve silk protein crosslinking.

他们认为可能是由于氯丙烯的直接作用和代谢产物的作用，使神经丝蛋白发生交联。

To establish a method for determination of H2O2 in allyl chloride oxidation liquid oil-phase.

建立了氯丙烯氧化液油相中双氧水含量的测定方法。

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。

With the fast development of world economics,people will have more request to the fiavor of food,so that allyl isothiocyanate have great market prospect.

随着世界经济的快速发展，人们对食品口味的要求也会越来越高，从而决定了异硫氰酸烯丙酯具有广阔的市场前景。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。