hydrogen carbonate

, 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.

济宁中银电化有限公司采取加入合适的pH值缓冲剂的方法来稳定聚合反应体系的酸碱度，并比较了几种pH值缓冲剂对PVC树脂质量的影响，认为碳酸氢铵是理想的pH值缓冲剂。

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sodium carbonate for industrial use . determination of sodium hydrogen carbonate . volumetric method.

工业用碳酸钠。碳酸氢钠含量的测定。容量法。

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sodium hydrogen carbonate for industrial use. determination of sodium hydrogen carbonate. titrimetric method.

工业碳酸氢钠.碳酸氢钠含量的测定.滴定法

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raising agents (disodium diphosphate, sodium hydrogen carbonate, calcium carbonate)

醒发剂（二磷酸二钠，碳酸氢钠，碳酸钙）

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Ammoniation Technology of Rice Straw by Ammonium Hydrogen Carbonate at Elevated Temperature

碳酸氢铵高温氨化稻草技术的研究

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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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sodium hydrogen carbonate for industrial use; determination of moisture content; gravimetric method

工业用碳酸氢钠.水含量的测定.重量法

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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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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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soil quality. determination of phosphorus. spectrometric determination of phosphorus in sodium hydrogen carbonate solution.

土壤质量.磷的测定.在碳酸氢钠溶液中可溶磷的光谱测定

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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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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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sodium hydrogen carbonate for industrial use; determination of sodium hydrogen carbonate content; titrimetric method

工业用碳酸氢钠.碳酸氢钠含量的测定.滴定法

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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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complete equipment of sodium hydrogen carbonate plant

碳酸氢钠工厂成套设备

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( y, gd) 2o3: eu phosphors were prepared by the complex precipitation processing using the mixture of ammonium water and ammonium hydrogen carbonate as complex precipitant.

报道了一种采用氨水和碳酸氢铵的混合溶液作为复合沉淀剂来制备（Y，Gd）2O3：Eu发光粉体的新工艺。

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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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sodium hydrogen carbonate for industrial use. determination of chloride content. mercurimetric method.

工业碳酸氢钠.氯化物含量的测定.汞量滴定法

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ammonium hydrogen carbonate for industrial use

GB/T6275-1986工业用碳酸氢铵

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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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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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ammonium hydrogen carbonate for industrial use (including foodstuffs); determination of total carbon dioxide content; titrimetric method

工业（包括食品工业）用碳酸氢铵.二氧化碳总含量测定.滴定法

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sodium hydrogen carbonate for industrial use . determination of sodium carbonate content . titrimetric method.

工业用碳酸氢钠。碳酸钠含量的测定。滴定法。

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sodium hydrogen carbonate for industrial use. determination of sodium carbonate content. potentiometric method.

工业碳酸氢钠.碳酸钠含量的测定.电位滴定法

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sodium hydrogen carbonate for industrial use; list of methods of test and preparation of the test sample

工业用碳酸氢钠.试验方法一览和试样的制备

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sodium hydrogen carbonate for industrial use . determination of moisture . gravimetric method.

工业用碳酸氢钠。湿度的测定。重量法。

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