Relationships between ionic strength and ionic activity coefficient were analyzed.

以吉林省西部典型蘇打堿土區(qū)為例，對地下水離子強(qiáng)度和離子活度進(jìn)行了計算高清一区二区三区视频，討論了離子強(qiáng)度與各離子活度系數(shù)之間的關(guān)系在线无码午夜福利高潮视频。

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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.

離子液體為催化劑合成N-取代氨基甲酸酯將離子液體引入到小分子氨基甲酸烷基酯和有機(jī)胺合成N-取代氨基甲酸酯反應(yīng)。

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.

結(jié)果表明，氧濃差電池電動勢的實測值與理論值吻合得很好黄色一级免费福利，氧離子遷移數(shù)為1，表明該系列樣品在該溫度下氧氣氣氛中為純氧離子導(dǎo)體日韩性生活网；氧泵實驗結(jié)果進(jìn)一步證實了該系列樣品在氧氣氣氛中為純氧離子導(dǎo)體；在氧分壓pO_2=10~(-5)～10~5 Pa的高氧分壓氣氛中欧美一级A片免费，電導(dǎo)率與氧分壓變化基本無關(guān)，表明在該氧分壓范圍樣品為純離子導(dǎo)體青青青国产中文在线视频免观看，這與氧濃差電池電動勢測定結(jié)果相吻合：在低氧分壓為10~(-5)～10~(-15) Pa范圍，總電導(dǎo)率隨氧分壓降低而稍有升高成人免费va视频，表明在該氧分壓范圍樣品為氧離子與電子的混合導(dǎo)體。

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

離聚體是指在非極性或弱極性的主鏈上帶有少量離子基團(tuán)(通常少于15mo1％)的一類離子聚合物国产黄片精品在线。

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

與絕大多數(shù)離子型和非離子型涂層膠復(fù)配較好99热门精品一区二区三区无码。

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

五個表面活性劑是非離子的，二 cationic 国产自慰喷水网站，四 anionic，和一是一個 anionic 的混合和非離子的啊啊啊啊啊啊好爽。

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

按其醚化取代基電離性能的不同，可分為離子型欧美日韩精品一区二区三区、非離子型以及混合型三大類。

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.

本論文以三種常用于生物催化的脂肪酶作催化用酶国产一区二区青草久久，在&綠色&反應(yīng)介質(zhì)—離子液體中實現(xiàn)了香料的合成和手性對映體的拆分老妇肥熟凸凹丰满刺激，同時也對酶在離子液體中催化所存在的問題進(jìn)行了一些探討亚洲免费高清视频。

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

隨著溫度的升高，其氧離子遷移數(shù)和離子導(dǎo)電區(qū)域都輕微增大www.日本在线播放。