查询词典 diene

Improved tensile strength and elongation of ethylene propylene diene monomer compound s used for wire and cable.

提高电线电缆用三元乙丙橡胶材料的拉伸强度和伸长率。

Improved tensile strength and elongation of ethylene propylene diene monomer compounds used for wire and cable.

提高电线电缆用三元乙丙橡胶材料的拉伸强度和伸长率。

In addition, we studied the ring-closing metathesis of the diene intermediates to access helicenes by screening a wild reaction condition.

我们还对RCM反应关环得到螺旋化合物的方法进行了研究，筛选得到温和的RCM反应条件。

Product Description: diene propyl phthalate monomer with the development of petrochemical industry and produce new varieties, it has many excellent performance.

产品简介：邻苯二甲酸二烯丙酯单体是随着石油化学工业的发展而产生的新品种，它具有许多优良的性能。

An amount of the aromatic vinyl polymer is preferably 5 to 150 parts by weight based on 100 parts by weight of the diene rubber.

以100重量份的二烯橡胶为基准，芳香乙烯基聚合物的含量优选为5～150重量份。

Results show that the main causes of low induction period of cracked naphtha are the high diene number and low phenol content.

结果表明，二烯值大、酚含量低是加氢渣油催化裂化汽油诱导期短的主要原因。

We synthesized the dienophile 62 from L-malic acid and then heated together with diene 73 afforded the cycloaddition product.

我们由L-苹果酸出发合成了亲双烯体62，并实现了底物诱导的Diels-Alder反应。

Most of researches focused on the HDA reaction betweenDanishefsky diene with aldehydes.

其中又以 Danishefsky 二烯与羰基化合物的反应研究最为详尽。

Domestic product, the company seal are the backbone of enterprise, was established in 1980, the new expansion in 2000, has twenty years of production experience seals are also more than 2000 million yuan of investment, land acquisition of 50 acres, set up a total area of for more than 6000 square meters of factory buildings, office buildings and staff quarters and recreational places, introducing the most advanced automated production lines, imports of ethylene propylene diene monomer used as raw materials to produce high levels of domestic products, at a certain extent, represents a advanced domestic production levels.

本公司是国内生产密封件的骨干企业，成立于1980年，新扩建于2000年，具有二十几年生产密封件的丰富经验，现又投资2000多万人民币，征地50亩，建立总面积为6000多平方米的厂房、办公楼和员工宿舍及休闲场所，引进国内最先进的自动化生产线，采用进口三元乙丙为原料，生产出国内高水平的产品，在一定的程度上，代表着国内的先进生产水平。

The polymer carriers,the immobilization of rare earth compounds,the properties of polymer-supported rare earth metal complex es and their catalytic characteristics in the polymerization of diene was reviewed with 25 references.

对聚合物载体的合成、稀土金属化合物的固定和聚合物载体－稀土金属络合物的性质及其催化双烯烃聚合的特征进行了论述。

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。