查询词典 ethene

Advances in ethane dehydrogenation to ethene have been reviewed.

乙烷脱氢制乙烯是乙烷利用的有效途径。

The results indicate:In normal temperature condition,the amount of ethene producted by the fruit which kept with...

结果表明：在常温条件下，以蚕茧作为保鲜剂的水果比其他条件下的乙烯累积量少，好果率高、果实硬度高、贮藏期长；低温有明显的保鲜效果。

The potential intermediates of a series of electrophilic agents reacting with ethene have been computed with PM3 semiempirical method.

采用PM3方法计算了不同亲电试剂与乙烯生成的中间体正离子的势能曲线。

The partial oxidation of ethane to ethene and hydrocarbon oxygenates is one of the most difficult processes in partial oxidation of alkanes.

乙烷选择氧化制乙烯或烃类氧化物是烷烃选择氧化研究的热点之一，也是难点之一。

The ethene's production and trade which must be over 600 thousands tons every year and a ten-thousand-ton berth for the project.

年产60万吨及以上规模乙烯的生产、贸易及相配套的万吨级以上深水泊位一座，项目总投资8亿美元以上。

Above the light off temperature, the main products of ethane oxidative dehydrogenation were ethene, carbon monoxide and carbon dioxide.

在负载型杂多酸上进行的乙烷氧化脱氢反应主要产物是乙烯、一氧化碳和二氧化碳。

Results show that PCE was dechlorinated reductively to DCEs and TCE, probable VC and ethene.

结果表明：在微生物的作用下pce还原脱氯为TCE和DCEs，可能有VC和乙烯。

What is the structure of the Diels-Alder product of anthracene with ethene, and maleic anhydride

答：写出蒽与乙烯，马来酸酐的反应产物

During the reaction, no ethene appeared in the product.

那些主管跟经理我看到就恶心。

Based on density functional theory calculation with periodic boundary conditions, the possibility of the direct coupling of methanol into ethene by oxonium ylide mechanism was investigated.

采用基于周期性边界条件的密度泛函理论研究了HSAPO-34分子筛上甲醇通过氧鎓叶立德机理直接耦合生成乙烯的可能性。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。