Effects of reaction conditions such as content of coupling agent and reaction time on the surface modification are discussed. The potassium ionic sieve before and after modification are characterized respectively by XRD, SEM, FT-IR, and thermogravimetric analysis.

The mechanism of selective separation on the surface of ionic sieve of removal of neodymium was explored by analyzing fourier transformation infrared spectra ( FTIR), X-ray diffraction ( XRD) and the results of selective experiment.

通过对离子筛的红外光谱，X射线衍射及选择性实验等分析，探索了其选择性筛分的机理。

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Different templates, different influence on the novel potassium ionic sieve. The study show Dual-template, consist of n-Butylamine ( n-TBA) and Diethanolamine ( DEA), was the most suitable template.

不同的模板剂对合成晶体的影响也不同，研究发现，实验合成的新型钾离子筛晶体的最适模板剂是正丁胺与二乙醇胺组成的双模板剂。

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The novel potassium ionic sieve was synthesized by the way of hydrothermal growth using Al2 ( SO4) 3, soluble glass and KOH as the raw materials.

本文以Al2（SO4）3、水玻璃、KOH为主要原料，采用水热合成法合成了新型钾离子筛晶体。

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In the size of synthesized potassium ionic sieve, the influencing factors of crystal seeds, synthesis time and frequency, as well as templates were investigated respectively.

考察了晶种、合成时间、合成次数和模板剂对钾离子筛晶体尺寸的影响。

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The results show that inputting seeds was helpful to the synthesis of large crystal of potassium ionic sieve.

结果表明，加入晶种有利于钾离子筛大晶体的生成。

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Preparation of Novel Ionic Sieve for Extracting Neodymium

新型提钕离子筛的研制

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Study on synthesis of Li ionic sieve precursor LiMn_2O_4 by sol-gel method

溶胶-凝胶法合成锂离子筛前驱体LiMn2O4的研究

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Research and production of the new ionic sieve for extracting strontium

新型提锶离子筛的制备及研究

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Ionic liquid is perfect replacement in many synthetic courses with volatile organic compounds as solvent.

对于大多数使用挥发性有机化合物作为溶剂的合成过程来说，离子液体是挥发性有机化合物的有效替代品。

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The other is conducted amidst carbonium ion intermediate and the product thus brought about has no stereoselectivity.

另一种是通过碳正离子中间体进行的，它所得到的产物无立体选择性。

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Experimental results show that the rate of the synthesis reaction is mainly controlled by the ion diffusing through the product shell.

实验结果表明，TiC和TiB2的生成反应主要受离子通过产物层的扩散步骤控制。

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When manganese ion excess, the product would be impurity.

当锰过量时，产物中含有杂质相；

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The result showed water content had direct influence on the quality of the product, especially on the content of sodium ion in the product.

结果表明，水量直接影响到产品的质量，尤其对产品中钠离子含量的影响较大；

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This ion can product nitrosamine with the mixture of amine and amide in our body after entering our body through food chain, Thus, the determination of trace nitrite is important in the food detection.

由于它能与人体内胺类和酰胺类化合物作用生成具有致癌作用的亚硝胺类物质，因此是食品摘要检验中重要测定项目之一。

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The mechanisms of both synthesis routes are revealed. The ion exchange product was originated from gradual topological mechanism. The coprecipitation product was resulted from in situ self-assembly mechanism.

揭示出不同方法的组装机理，离子交换过程符合逐渐趋近拓扑机理，而共沉淀过程符合自组装机理。

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The future deveioping prospect of the application of the negative ion textile product.

并对负离子纺织品的应用前景进行了展望。

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The full equation for the degree of hydrolysis of salts and the dissociation constant of hydrolysate is established on the basis of the hydro-lysate is established on the basis of the hydrolysis relationship for salts and the expression of ion product of water.

根据盐类水解关系式和水的离子积计算公式，建立了计算盐类水解度和水解产物离解常数的完全方程式。

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Based on the ion product and the viscosity of water, the paper obtained the limiting molar conductivity, the electrolytic conductivity and the neutralization heat of strong acid to strong base in infinite dilution at various temperatures.

从水的离子积和粘度的文献数据出发，得到不同温度下水的极限摩尔电导、电导率及无限稀强酸强碱的中和焓。

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Ion product, electrolytic conductivity of water and neutralization heat of strong acid to strong base

水的离子积与水的电导率及强酸强碱的中和

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A formula for calculating the ion product of water within the temperatures from 0 to 300 ℃

O～300℃水电离常数新计算公式

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