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稀溶液

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It exhibited a sudden change as the concentration of organic acid over a specific value.

这种变化与在稀溶液中形成的水包有机酸笼合物结构有关。

Examples are provided by the following preparations: arsenious sulphide from arsenious acid and hydrogen sulphide: gold or silver sols by reduction of the corresponding salts of gold or silver, silver chloride from very dilute solutions of silver nitrate and sodium chloride.

例子由以下准备提供:亚砷硫化物从亚砷酸和氢化硫:金或银sols 由金子或银,银色氯化物对应的盐的减少从非常硝酸银和氯化钠的稀溶液

In the forth chapter of the dissertation, on the basis of HSAB principle, acylates, such as iron caproate, aluminum caproate and iron caprylate, were proposed to be used as extractants for alcohol.

在论文的第四章,依据软硬酸碱理论,提出用金属有机酸盐萃取醇类稀溶液

Extraction mechanism of chlorophenol for alcohol was also investigated by infrared spectrogram of loaded organic phase.

酚类对醇类稀溶液提供的络合萃取平衡常数与络合剂化学结构存在密切的关系。

The fiber membrane has the thickness of 15 to 160 Mum and the mass percentage of 2 to 60%; the consistency of the colophony solution is 3 to 15% and the dipping time is 8 to 18 hours.

纤维膜的厚度为15-160μm,其质量百分含量为2-60%,树脂稀溶液的浓度为3-15%,浸润时间为8-18小时。

The diluent solution of glyoxylic acid and oxalic acid was used as the separation object. TOA (in n-octanol) was used as the solvent. The extraction characteristics of single acid and two-acid solution were studied, and the influence of pH arid the concentration of complexing agent on the distribution coefficients were measured. The suitable mathematic models were proposed to describe the relationship between TOA and carboxylic acid based on assumed extraction reaction in organic phase.

以草酸和乙醛酸的稀溶液为分离对象,采用三辛胺为萃取反应剂、正辛醇为稀释剂,研究了单溶质、双溶质有机酸的萃取分离特性,测定了溶液pH值、萃取反应剂的浓度等因素对双溶质有机酸萃取的影响,提出了萃取的化学反应发生在有机相中的假定,建立了TOA萃取草酸的数学模型。

On the contrary, the anionswith greater deformability would promote a rise intemperature by induced dipole relaxation, In thepresence of microwave field, the conductivity of thedilute solution were higher than one in lack of theexternal field.

上述两种相反的作用可以通过离子的极化参数来定性衡量;此外稀溶液在微波场中的电导率均高于常规条件下的值,这是由于在微波场的作用下,离子氛的松驰力降低,从而使得溶液的电导增加,这可以看成是微波非热效果的具体现。3。

Meanwhile,the behavior of the complexation between the sulfonated SEBS ionomers and pyriding-containing random coploymers both in dilute solution and in bulk was evidenced by an abnormal increase of the viscosity and Tg .

SEBS磺酸盐离聚物与含吡啶基的无规共聚物在稀溶液和本体中能形成分子间的络合物,这从共混物溶液粘度的反常增大和本体Tg的显著增加得到了证明。

The dilute solution of the absorption apparatus of the refrigeration system serially backflows to the low, middle and high temperature solution heat exchangers and generators in turn and reflows to the absorption apparatus finally, thereby achieving the reasonable utilization of different grade energy and having relative high thermal efficiency of the unit.

该制冷系统吸收器的稀溶液串联倒流依次进入低、中、高温溶液热交换器和发生器,最后流回吸收器,能够实现对不同品位能量的合理利用,其机组热效率也相对较高。

The absorption spectral properties of several novel subphthalocyanine compounds in different media, such as in solution and in solid films. The effects of solvent vapor treatment and heat treatment on the absorption spectra of these films were also studied and discussed.

本文研究了几种新型亚酞菁化合物在不同介质中(稀溶液、高分子介质、蒸发膜和溶液旋涂膜)的吸收光谱特性,研究了溶剂处理和热处理对该类薄膜吸收光谱的影响,并结合酞菁类化合物的能级结构、聚集特性以及亚酞菁特有的非平面结构对以上结果作了合理的解释。

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