查询词典 ionic

Relationships between ionic strength and ionic activity coefficient were analyzed.

以吉林省西部典型苏打碱土区为例，对地下水离子强度和离子活度进行了计算，讨论了离子强度与各离子活度系数之间的关系。

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Synthesis of N-substituted carbametes catalyzed by ionic liquids Ionic liquids were introduced into the syntheses of N-substituted carbamates from alkyl carbamates and amines.

离子液体为催化剂合成N-取代氨基甲酸酯将离子液体引入到小分子氨基甲酸烷基酯和有机胺合成N-取代氨基甲酸酯反应。

The observed EMF values of oxygen concentration cell coincided withtheoretical values perfectly, indicating that the ceramics were purely oxide-ionicconductors with oxygen ion transference number of 1 under oxygen atmosphere over thewhole temperature range. The electrochemical oxygen permeation rates determined were inaccordance with the theoretical rates calculated from Faradays law, verifying directexperimentally that the oxide-ionic nature of the conduction under oxygen atmosphere. Athigh oxygen partialpressure range pO_2=10~(-5～10~5 Pa, they were almost pure ionicconductors, which was consistent with the result by means of oxygen concentration cell.Whereas at low oxygen partial pressure range pO_2=10~(-5～10~(-15)Pa, the samplesexhibited mixed ionic and electronic conduction.

结果表明，氧浓差电池电动势的实测值与理论值吻合得很好，氧离子迁移数为1，表明该系列样品在该温度下氧气气氛中为纯氧离子导体；氧泵实验结果进一步证实了该系列样品在氧气气氛中为纯氧离子导体；在氧分压pO_2=10~(-5)～10~5 Pa的高氧分压气氛中，电导率与氧分压变化基本无关，表明在该氧分压范围样品为纯离子导体，这与氧浓差电池电动势测定结果相吻合：在低氧分压为10~(-5)～10~(-15) Pa范围，总电导率随氧分压降低而稍有升高，表明在该氧分压范围样品为氧离子与电子的混合导体。

Ionomers are normally referred to ionic-polymers with non- or low polaritypolymer backbone and low ionic group content of less than 15mo1%.

离聚体是指在非极性或弱极性的主链上带有少量离子基团(通常少于15mo1％)的一类离子聚合物。

And the vast majority of ionic and non-ionic plastic coating compound better.

与绝大多数离子型和非离子型涂层胶复配较好。

Five surfactants were non-ionic, two cationic, four anionic, and one was a mixture of anionic and non-ionic.

五个表面活性剂是非离子的，二 cationic ，四 anionic，和一是一个 anionic 的混合和非离子的。

In the light of different etherificate substituted group ,they are classfied 3 kinds:ionic,non-ionic and mixed ones.

按其醚化取代基电离性能的不同，可分为离子型、非离子型以及混合型三大类。

In our study, the synthesis of spice and the resolution of racemates menthol,(R, 5-4-hydroxy-3-methyl-2-(2-propenyl)-2-cyclopenten-1-one (R, S-HMPC were achieved in ionic liquids by three lipase that are usually used in biocatalysis. Meanwhile, some problems associated with enzyme catalysis in ionic liquids were also addressed.

本论文以三种常用于生物催化的脂肪酶作催化用酶，在&绿色&反应介质—离子液体中实现了香料的合成和手性对映体的拆分，同时也对酶在离子液体中催化所存在的问题进行了一些探讨。

With increasing temperature, the ionic transference number and the ionic conduction region slightly increase.

随着温度的升高，其氧离子迁移数和离子导电区域都轻微增大。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。