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In Chapter4, the reaction mechanism of phosphonyl nitrie oxides with acrylonitrile has been investigated.

为了简化计算模型,用甲基代替了膦酰基氧化腈中的异丙基进行模拟计算。

Independent research and development company Azelaic Acid Products (Industry-level content) has the international advanced level of technology, to fill the domestic use of raw materials to large-scale production of the blank; production of 3 - mercaptopropionic acid products in the treatment of iron ions to achieve the level of international excellence ; iodine series, and products such as benzene nitrile series advantage at home and abroad are more products, customers receive the unanimous endorsement, and with only a handful of internationally-owned high-volume industrial production capacity.

公司自主研究开发的壬二酸产品具有国际先进水平的工艺,填补了国内用原料自行规模化生产的空白;生产的3-巯基丙酸产品在铁离子处理方面达到国际顶尖水平;碘系列和苯腈系列等产品更是国内外优势产品,得到客户的一致认可,且具备国际上只有极少数拥有的大批量工业化生产能力。

The experimental results indicated that the two N-heterocyclic carbene palladium complexes with coordination of pyridine could catalyze the coupling of bromobenze and gave yield of 80%.

结果表明,这两个含吡啶配位的N-杂环卡宾钯络合物,对溴苯与丙二腈的交叉偶联,产率可达80%。

We choose Japan's NIPPON ZEON nitrile, B C, chloroprene rubber and Shanghai three love the rich and the United States 3 M's fluoride rubber.

我们选用日本NIPPON ZEON公司的丁腈、乙丙、氯丁橡胶及上海三爱富公司和美国3M公司的氟橡胶。

This invention discloses an intermolecular charge transfer chromogen with triphenylamine group, with a formula indicated by (1), wherein: R1 is hydrogen atom or methyl group or methoxyl group, R2 is hydrogen atom or 2-(5,5-dimethyl-3-vinylcyclohexenyl-2-enylidene)propanedinitrile group.

本发明公开的含三苯胺基团的分子内电荷转移生色团,具有式1所示的结构式,其中R 1 为氢原子或甲基或甲氧基,R 2 为氢原子或2-(5,5-二甲基-3-乙烯环己烯基-2-烯亚基)丙二腈基。

This invention applies mild condition uses substituent group triphenylamine aldehyde or triphenylamine dialdehyde as raw material to react by heating with 2-(5,5-dimethyl-3-vinylcyclohexenyl-2-enylidene)propanedinitrile group to produce the intermolecular charge transfer chromogen with high decomposition temperature, non-coplanar structure, and triphenylamine group.

本发明采用温和的手段,将取代基三苯胺单醛或取代基三苯胺双醛为原料与2-(3,5,5-三甲基环己烯-2-烯亚基)丙二腈共热生成具有高的热分解温度、非共平面空间结构的含三苯胺基团的分子内电荷转移生色团。

It was found that copolymerization was distinctly accelerated by the addition of small amount of MN.

丙二腈与TEMPO的摩尔比在2.5 1时加速效果最好,在125℃下聚合30min转化率可达93%。

A new inequilateral organic polyamine, 2-aminoethyl-bi(3-aminopropyl)amine, was synthesized by the additional and hydrogenation reaction of aminoacetonitrile with acrylonitrile.

利用氨基乙腈及丙烯腈的亲核加成、氢化反应合成了一种新的不等臂有机多胺化合物2-氨基乙基-二(3-氨基丙基)胺。

Applications A fast curing accelerator for natural, synthetic rubber and latex, it can be used as accelerators of butyl rubber, acrylonitrile-butadiene rubber and EPDM rubber, non-toxic, inodorous, stainless and changeless in colors on products, suitable for coated fabric,.

用途 天然胶、合成胶用超促进剂以及乳胶用一般促进剂。特别适用于对压缩变形有要求的丁基胶和耐老化性能优良的丁腈胶,也适用于三元乙丙胶。

The normally brominated Baylis-Hillman adducts were formed as the major product at low temperature. While at room temperature or heating, the α,γand β,β-dibrominated compounds were formed as the major products using 3-butyn-2-one and methyl propiolate or propynenitrile as substrate, respectively.

贫电子炔类化合物的Baylis-Hillman反应的研究在这部分工作中我们发现在用TiBr〓或BBr〓为Lewis酸催化贫电子炔类化合物和芳香醛的Baylis-Hillman反应时,温度对反应的影响很大:当反应在低温下进行时,通常生成的是正常的β-溴代的Baylis-Hillman反应产物;而在室温或加热条件下反应,以丁炔酮为底物时,主要生成的是α,γ-二溴化合物,而以丙炔酸甲酯及丙炔腈为底物时,主要生成的是β,β-二溴化合物。

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