ammonium carbonate

This paper is concerned with preparation method of nano-sized magnesium oxide from ammonium carbonate and chloride.

研究了由碳酸铵和氯化镁制备纳米氧化镁的方法.

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Nanometer CeO_2 powders were prepared by means of microwave radiation using cerous nitrate and ammonium hydrogen carbonate.

以硝酸铈为原料，碳酸氢铵为沉淀剂，用微波加热的方法制备了纳米CeO2超细粉体。

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By tetrabutyl titanate as titanium source, the ammonium carbonate as the doping agent, used the sol-gel method to prepare titanium dioxide photocatalyst.

以钛酸四丁酯为钛源，碳酸铵为掺杂剂，采用溶胶-凝胶法制备了含氮的二氧化钛光催化剂。

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In ammonium acid carbonate electrolyte, the acidic functional groups content was increased slowly with the current density enlarging at first and then decreased quickly, the maximum content was got at ( 1.4 A/ g.)

采用碳酸氢铵电解质时，纤维表面酸性官能团含量随着电流强度的增大先缓慢增大而后迅速减少，电流强度为14A/g时达到最大值。

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Ammonium carbonate decomposes to ammonium and bicarbonate.

碳酸铵进一步分解为铵离子和碳酸氢根离子.

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Selecting tests showed, Although both Cyclohexylamine carbonate salt and Ammonium carbonate had excellent static or dynamic protecting effects for A3 steel, and there is not any rust appearance to be found in the surface of coupon sample, yet the volatilizing and weight loss is heavy;

筛选试验结果表明，碳酸环己胺、碳酸铵对A3钢具有很好的静态和动态保护效果，试验期间试片光亮无锈，但缓蚀剂挥发失重较大；

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Synthesis and crystal structure of magnesium ammonium carbonate tetrahydrate

四水合碳酸镁铵的合成及晶体结构

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The productive and applied present situation of anionic ammonium acid carbonate additive is summarized in this paper. The difference of use result is analyzed from molecular structure and product composition.

综述了反应型阴离子碳铵添加剂的生产应用现状，并从分子结构和产品组成上分析了使用效果差异；

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Besides, a certain proportion of sodium bicarbonate to acid ammonium carbonate is conducive to porosity of product structure and the reduction of product hardness.

此外，一定比例的碳酸氢钠和碳酸氢铵混合作为化学膨松剂有利于产品结构疏松多孔，降低产品硬度。

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The extractive magnesium sulfate reacts with ammonium carbonate, the high-purity and activity magnesia is obtained.

硫酸镁浸提液采用碳酸铵沉淀法制备出了高纯度高活性的氧化镁.

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