查询词典 selectivity

Particularly,ethylenediamine is an optimal choice for improving the selectivity for cyclohexanone oxime.

在催化剂与硝基环己烷摩尔比为1∶100、反应温度95℃的条件下，反应6h后的硝基环己烷转化率可达100%，环己酮肟选择性可达84.2%。

Second, extractant N902 is utilized to extract copper in the leaching solution and has good selectivity to copper.

结果表明，萃取剂N902对铜具有较好的选择性。

D The COX-2 selectivity of borneol is better than isoborneol seen from the result. There was absence of record of fenchyl alcohol about its character and application in the literature of Chinese Traditional Medicine.

e在中医药的文献和典籍中，关于小茴香醇性质和应用的记载很少，我们的研究结果表明它可能具有潜在的还不为我们所了解的特殊性质，我们的研究也可能会促进对该化合物的研究。

Potassium ferrate, a new non-pollution green oxidant, has high selectivity and activity.

高铁酸钾是绿色、无污染、高选择性和高活性的强氧化剂。

Potassium ferrate and hydrogen peroxide are all non-pollution green oxidant environment friendly, and have powerful oxidization and high selectivity.

高铁酸钾和过氧化氢都是绿色、无污染、和高活性的氧化剂。

Filially 80.4% methane conversion, 14.3% C2 hydrocarbons yield and 18.7% C2 hydrocarbons selectivity were obtained.

在此条件下得到甲烷转化率为80.4%，C2烃的总收率和总选择性为14.3%和18.7%。

The fluorescent dye has wide range of application,it is characterized by high sensitivity,stability and selectivity.

标记分析是生物大分子及药物检测的重要方法，其中发光标记是最主要的方法之一，其检测的灵敏度很大程度上取决于标记物的发光强度和稳定性。

The results showed that the amount and intensity of the acid sites decreased after fluorination, which resulted in the significant increase of propylene selectivity and catalytic stability.

结果表明，氟改性可明显降低酸中心的数量及强度，从而显著提高丙烯的选择性和催化剂的稳定性。

The investigation shows that it has strong collective power and good selectivity for fluorite.

本文以石油化工和有机化工副产物为原科，合成了新型捕收剂Hp。

DICP is without any doubt a world-leading institute in the domain of fundamental and applied selectivity-controlled chemical processes and I am grateful to you for allowing me to share this historical event.

毫无疑问，大连化物所在选控化学过程的基础和应用领域是世界领导地位的研究所，感谢你们让我分享这一历史性事件。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。