, ltd. adopted suitable ph buffering ( agents) to stabilize the ph value of polymerization system. through comparing the influences of several ph buffering agents on the quality of pvc resin, it was regarded that ammonium hydrogen carbonate was the ideal ph buffering agent.

1、

it is found that the concentration of nitric acid has great effect on reclaiming rate of lead in the processing of nitric acid leaching-lead deposition after investigating the preparation of tribasic lead sulphate from bismuth waste residue by ammonium hydrogen carbonate transformation method.

通过对铋冶炼浸渣采用碳酸氢铵转化法合成三碱式硫酸铅的工艺研究，得出在硝酸浸出&硫酸沉铅工艺过程中影响铅回收率的主要因素为硝酸质量浓度。

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2、

the influence factors including the amount of ammonium hydrogen carbonate and acetic acid, reaction time, the ratio of liquid-to-solid on converting rate of lead in the processing of ammonium hydrogen carbonate transformation have been studied in detail.

探讨了铋冶炼浸渣采用碳酸氢铵转化过程中，碳酸氢铵与浸渣配比、碳酸氢铵及醋酸加入量、反应时间、液固质量比等因素对铅的转化率的影响。

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3、

the processing principle for the preparation of tribasic lead sulphate from bismuth hydrometallurgy waste residue by ammonium hydrogen carbonate transformation-nitric acid leaching-lead deposition with sulphuric acid-sodium hydroxide synthesis is introduced.

介绍了铋冶炼浸渣采用碳酸氢铵转化硝酸浸出硫酸沉铅氢氧化钠反应合成三碱式硫酸铅的工艺原理。

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4、

the orthogonal experiment for ammoniating rice straw at elevated temperature was arranged in a small ammoniation oven with ammonium hydrogen carbonate as ammoniating agent.

该文利用碳酸氢铵作氨源在高温氨化炉内对稻草进行了正交氨化试验研究。

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5、

gd3ga5o12 ( ggg) precursor was synthesized by a co-precipitation method using ammonium hydrogen carbonate as precipitator.

用碳酸盐作沉淀剂，采用无机体系共沉淀法制备了钆镓石榴石Gd3Ga5O12（GGG）前驱体。

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6、

the present status of ammonium hydrogen carbonate-base complex fertilizer and problems waiting for being solved

碳铵基复混肥现状及有待解决的若干问题

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7、

ammonium hydrogen carbonate for industrial use

GB/T6275-1986工业用碳酸氢铵

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8、

ammonium hydrogen carbonate for industrial use determination of total alkalinity volumetric method

GB/T6276.1-1986工业用碳酸氢铵总碱度的测定容量法

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9、

red phosphor al2o3: eu was prepared by co-precipitation method using mixture of ammonium hydrogen carbonate and ammonium water as complex precipitator.

用碳酸氢铵和氨水混合溶液作为复合沉淀剂制备了Al2O3：Eu红色荧光粉体。

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10、

ammonium hydrogen carbonate for industrial use determination of arsenic content silver diethyl dithiocarbamate photometric method

GB/T6276.7-1986工业用碳酸氢铵砷含量的测定二乙基二硫代氨基甲酸银分光光度法

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11、

ni-zn ferrites were prepared with the citrate precursor by self-combustion technique, using ferric citrate or ferric nitrate, nickel nitrate, zinc nitrate, citric acid as the starting materials.

以柠檬酸铁或硝酸铁、硝酸锌、硝酸镍和柠檬酸为原料，利用溶胶直接自蔓延燃烧反应成功制备了尖晶石结构的Ni Zn铁氧体粉末。

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12、

the post-derivatization solution was ferric nitrate solution containing perchloric acid, and flow was 0.25 ml/ min.

柱后衍生溶液为含有高氯酸的硝酸铁溶液，流速为0.25mL/min；

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13、

large-scale synthesis of isolated mn_2o_3 nanotubes/ fibers with ferric nitrate as catalyst

硝酸铁为催化剂大量制备离散Mn2O3纳米管/纤维

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14、

Catalytic Capacity of Ferric Nitrate and Aluminum Nitrate in the Preparation of Iso-Pentyl Caproate

硝酸铁和硝酸铝在己酸异戊酯制备中催化作用探讨

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15、

results active carbon and ferric nitrate were selected to prepare composite material for removal of arsenic in drinking water.

结果选择以活性炭为载体材料、硝酸铁为活化试剂制备饮水复合除砷材料。

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16、

this paper introduced an improved technique in the production of practical, safe, hygienic and convenient solid alcohol with industrial alcohol, stearic acid, paraffin, cupric nitrate as main materials.

介绍了固体酒精燃料生产工艺的改进试验，利用工业酒精、硬脂酸、石蜡、硝酸铜为主要原料，开发出具有实用价值、安全、卫生、方便的固体酒精燃料。

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17、

the results show that the rod-like copper nanoparticles could be obtained at a certain concentrations of copper nitrate in the toluene/ water two-phase system by tem and xrd measurements.

通过XRD和TEM分析，证明在甲苯和水体系中，控制一定的硝酸铜浓度，可以得到棒状铜纳米粒子。

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18、

effects of time, order of adding reagents, contents of ethanediol, silver nitrate, acid copper plating bath and nitrate on scattering intensity of resonance light were studied.

讨论了乙二醇用量、硝酸银用量、酸性镀铜液（底液）用量、硝酸用量、时间及试剂加入顺序对共振光散射强度的影响。

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19、

effect of nonionic surfactant on the corrosion inhibitive rate of mbt for copper in diluted nitrate acid solution

稀硝酸介质中非离子表面活性剂对MBT铜缓蚀率的影响

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20、

the effects of different precursors for cuo on the catalytic properties of fe-cr-based co high-temperature shift ( hts) catalyst were investigated. it was shown that cuo improved low-temperature activity of the catalyst and doping of cuo as copper nitrate was preferable.

考察了CuO的不同前驱体对铁铬系CO高温变换催化剂反应性能的影响，研究发现，CuO助剂可改善催化剂的低温活性，以硝酸铜的加入形式效果较为显著。

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