碳酸铵

采用Bucherer-Bergs环化法，以2-甲基-2-羟基丙腈和碳酸铵为原料合成5,5-二甲基海因。

Dimethylhydantoin has been synthesized by Bucherer Bergs cyclization using acetone cyanohydrin and ammonium carbonate . The bath processes were investigated .

一种刺激的制剂，由碳酸铵和香水制成，作为刺激物用鼻息以减轻晕厥。

A pungent preparation of ammonium carbonate and perfume ; sniffed as a stimulant to relieve faintness .

碳酸铵均相共沉淀法制备Nd∶YAG透明激光陶瓷纳米粉体

Preparation of Nd ∶ YAG nanometer powders used for transparent laser creamics by ammonium carbonate homogeneous coprecipitation method

绘制的碳酸铵溶液中包括NH2COO~-在内的各组分的平衡分布图表明，图中存在NH2COO~-的稳定区；

An equilibrium distribution diagram is plotted for the species , including NH_2COO ~ - in an ammonium carbonate solution .

以硝酸铝和碳酸铵为原料，利用超声波与沉淀相结合的方法，制得了平均粒径为（12±2）nm的氧化铝超细粉末。

Using aluminum nitrate and ammonia carbonate as reacting agents , alumina nanometer particles with mean diameter of ( 12 ± 2 ) nm were prepared with an ultrasonic precipitation method .

本文采用氨水-碳酸铵混合溶液作沉淀剂，通过添加聚乙二醇（PEG）和聚乙烯醇（PVA）制备了高比表面积，大孔容的低铈型储氧材料。

In this dissertation , a series of high specific surface area , large pore volume and low Ce content OSMs were precipitated with mixed ammonia-ammonium carbonate solution , and assisted by PEG and PVA .

然而，基于胺和碳酸铵反应的CCS并不是唯一的方法。其他两种叫做气化和富氧燃烧的技术，用纯氧气而不是空气烧煤，这样产生的废气在掩埋之前几乎不用处理。

Amine - and ammonium-carbonate-based CCS are not , however , the only ways to do things . Two other techniques , called gasification and oxy-combustion , work by reacting coal with pure oxygen rather than air , and thus produce exhausts that require little treatment before burial .

方法以ODS为固定相，羟苯甲酸乙酯为内标物，以0.2%碳酸铵溶液-乙腈-四氢呋喃（42∶39∶19）为流动相，检测波长为238nm，流速1.0mL·min-1。

Method The column was packed with ODS , using ethyl parahydroxybenzoate as internal standard . The mobile phase was a mixture of 0.2 % ammonium carbonate-acetonitrile-tetrahydrofuran ( 42 ∶ 39 ∶ 19 ) . Chromatography was performed with ultraviolet detector at 238 nm .

本文通过对碳酸铵进行预处理，选择合适的分析条件，通过手动重量输入法，采用LECOCS344碳硫红外分析仪进行测定。

In the analytical method used in this study , the IR-spectrometric C / S analyzer LECO-CS-344 is used to determine trace sulphur in pretreated ammonium carbonate with suitable analytical conditions and manual addition of flux , with high precision and sensitivity .

高频燃烧红外吸收法测定碳酸铵中的微量硫提高高频感应燃烧红外吸收法测定碳硫准确度的着干问题

Determination of trace sulphur in ammonium carbonate by infra-red absorption method

碳酸铵在氨水和酒精中形成的溶液。

A solution of ammonium carbonate in ammonia water and alcohol .

杂质对石膏&碳酸铵转化过程的影响

Effect of Impurities on Gypsum Conversion to Ammonium Sulfate with Ammonium Carbonate

碳酸铵法制备活性氧化锌

Preparation of active zinc oxide with ammonium carbonate method

碳钢在碳酸铵溶液中钝化曲线测定实验的改进

Improvement of the Determination Experiment of Passivation Curves of Carbon Steel in Ammonium Carbonate Solution

碳酸铵胶囊的初步研究

Study of Ammonium Carbonate Capsule

荧光纯碳酸铵的研制

Preparation of luminescent-pure ammonium carbonate

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。

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

本文对石膏碳酸铵转化反应机理、本征反应动力学及磷石膏中主要杂质对转化过程的影响等问题进行了系统研究。

A systematically study on the effect of impurities is necessary for the industry of the conversion process .

另一家法国公司阿尔斯通则用十八个月的时间测试碳酸铵工艺。

At the other Alstom , a French concern , has 18 months to test the ammonium-carbonate process .

以硝酸钕和碳酸铵为原料，用直接沉淀法制备纳米氧化钕。

Nano-sized neodymium oxide was prepared by direct precipitation method with neodymium nitrate and ammonium carbonate as raw materials .

重点讨论了原料配比、碳酸铵饱和溶液温度、焙烧温度等因素对制备工艺的影响。

The influence of mixture ratio , temperature of saturated solution , and calcination temperature on preparation process were studied .

利用硝酸铝溶液和碳酸铵溶液的沉淀反应制备一种氧化铝的前驱体-氢氧化铝。

Aluminium hydroxide , the precursor of alumina , was synthesized by precipitation reaction of the aluminium nitrate and sal volatile .

最普通的收集技术是用胺类溶液或者碳酸铵处理这些气体。

The most common capture technologies involve running the gas to be processed through a solution of amines or ammonium carbonate .

由碳酸铵和香料配制而成的一种药物，给人闻后有恢复或刺激作用，特别用来减轻昏迷或头痛。

Any of various preparations of ammonium carbonate and perfume , sniffed as a restorative or stimulant especially to relieve faintness and headache .

以磷石膏和碳酸铵为原料制备硫酸铵，对反应过程的动力学进行了研究。

In this paper , ammonium sulphate was prepared from phosphogypsum and ammonium carbonate , and the kinetics of the reaction process is studied .

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。

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

二氧化硫作还原剂，用碳酸铵溶液可实现从钴壳中选择性浸出镍、钴和铜。

Selective leaching of nickel , cobalt and copper from cobalt crusts was attained by using ammonium carbonate solution and sulfur dioxide gas as a reductant .

应用旋转环盘电极研究了方铅矿在碳酸铵溶液中直接转化为碳酸铅的反应机理。

The kinetics of conversion of galena into lead carbonate in ( NH_4 ) _2CO_3 solu-tions was studied using electrochemical method with a rotating ring-disc electrode .

以上；还原后的锰用硫酸浸取，溶液经除杂后，与碳酸铵反应而制成高纯碳酸锰。

After reduction , manganese is extracted by sulfuric acid and high purity manganese carbonate is obtained after impurity removal from the solution and reaction with ammo .

研究了采用浓氨水、碳酸铵溶液和氨水-碳酸铵混合溶液作为沉淀剂制备的不同组分比的储氧材料的性能。

Concentrated ammonia aqueous solution , ammonium carbonate solution and mixed ammonia-ammonium carbonate solution were used as precipitator to prepare OSM with different composition , their properties were studied .