• 尾吸系统采用二段氨法生产液体二氧化硫硫酸氢

    The system adopted two-stage ammonium process to produce liquid sulphur dioxide and ammonium bisulphite.

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  • 研究硝酸、过硫酸、过硫酸-亚硫酸氢引发玉米淀粉丙烯酸接枝共聚反应

    Graft polymerization of acrylic acid onto maize starch using ceric ammonium nitrate, ammonium persulfate and ammonium persulfate sodium bisulfate as initiators is studied.

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  • 以石膏碳酸氢铵氯化钾原料生产硫酸氯化碳酸钙,原料综合利用充分,经济效益好。

    Gypsum, ammonium hydrogen carbonate and potassium chloride were used as raw materials in this research, to produce potassium sulfate, potassium ammonium chloride and calcium carbonate.

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  • 溶剂,过硫酸-硫酸氢氧化还原引发体系,研究了分子质量丙烯酸合成

    Syntheses of low - molecular weight polyacrylic acid sodium with water as solvent and APS - SHS as REDOX initiator are studied.

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  • 研究了过硫酸—亚硫酸氢钠—碳酸氢铵引发下烯酰胺水溶液聚合动力学,导出了聚合动力学方程

    The kinetics of polymerization of acrylamide in aqueous solution induced by ammonium persulphate-sodium bisulfite-ammonium bicarbonate is studied and a kinetic equation is therefore obtained.

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  • 结果表明,过硫酸-亚硫酸引发体系适宜DMCAMAA三元共聚物制备

    The experimental results show that ammonium persulfate-sodium hydrogen sulphite redox initiation system is the most appropriate for the preparation of DMC/AM/AA terpolymers.

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  • 主要品种尿素硫酸硝酸碳酸氢铵氯化石灰、氨水等。

    The main varieties include urea, ammonium sulfate, ammonium nitrate, ammonium acid carbonate, ammonium chloride, ammonium lime and ammonia water.

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  • 碳酸钙硫酸(氯化)一起加热时,生成升华物(与碳酸氢铵混合)。

    Formed as a sublimate (mixed with ammonium hydrogen carbonate) when calcium carbonate and ammonium sulfate (or chloride) are heated together.

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  • 结果表明,采用以过硫酸硫酸氢钠为引发剂的率、接枝效率分别达到64.04%、73.82%、86.43%。

    The result shows that the yield, the graft yield and the graft efficiency are 64.04%, 73.82%, and 86.43%, respectively.

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  • 硫酸盐里离子离子,离子,根离子等化学可以电离。

    The chemical base for the bisulfite can be ionic calcium, magnesium, sodium or ammonium, Sulfite pulping can be carried out over a wide range of PH.

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  • 通过单因素正交试验得到了无机盐的适添加量:硫酸添加0.5%,硫酸亚铁添加0.2%,磷酸添加0.1%。

    And The best recipe was drawn as follows: ammonium sulphate 0.5%, ferrous sulfate 0.2%, potassium phosphate dibasic 0.1%.

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  • 石膏、碳酸氢铵氨水原料制备硫酸,并用盐酸处理碳酸钙品制备氯化钙。

    Ammonium sulphate with calcium carbonate as gross by-product could be obtained from the raw materials including phosphogypsum, ammonium bicarbonate and ammonia water.

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  • 条件下碳酸氢铵转化率可达97%以上,产品溶液硫酸浓度可达35 %以上。

    Under these conditions, the conversion of ammonium bicarbonate and the content of ammonium sulfate in productive solution were more than 97% and 35%.

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  • 硫酸亚铁溶液氧化钠碳酸氢铵沉定剂生成透明氧化铁颜料条件进行了初步研究。

    Some growtk conditions of transparent iron oxide pigment in the solution of ferrous sulphate with NaOH and NH_4HCO_3 as precipitant were investigated.

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  • 结果表明,过硫酸-亚硫酸引发体系适宜于DMC/AM/AA三元共聚物的制备。

    The experimental results show that ammonium persulfate-sodium hydrogen sulphite redox initiation system is the most appropriate

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  • 结果表明,过硫酸-亚硫酸引发体系适宜于DMC/AM/AA三元共聚物的制备。

    The experimental results show that ammonium persulfate-sodium hydrogen sulphite redox initiation system is the most appropriate

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