hydrogen carbonate

1. 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
2. Food additive sodium hydrogen carbonate
   GB1887-1998食品添加剂碳酸氢钠
3. 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
4. Sodium hydrogen carbonate for industrial use
   GB/T1606-1998工业碳酸氢钠
5. The origin of hydrogen sulfide in the carbonate gas fields mainly depends on reduction of sulfate and cracking of hydrocarbon.
   中国碳酸盐岩大气田中的硫化氢是由硫酸盐还原和烃类裂解生成的。
6. Complete equipment of sodium hydrogen carbonate plant
   碳酸氢钠工厂成套设备
7. Colorimetric Determination of Microamount of Hydrogen Sulfide in Propylene Carbonate by Molybdenum Blue Method
   钼蓝比色法测定碳酸丙烯酯中微量硫化氢
8. 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。
9. Study on the Product from Heated Magnesium Hydrogen Carbonate Solution
   碳酸氢镁溶液受热后的产物研究
10. The soil samples were extracted with ethyl acetate-sodium hydrogen Carbonate solution.
    土壤样品以乙酸乙酯和碳酸氢钠水溶液提取，将母体与代谢物分离后分别净化。
11. 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
12. 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。
13. 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。
14. 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。
15. Study on the Absorption of Hydrogen Sulfide by Sodium Carbonate Solution
    碳酸钠溶液吸收处理硫化氢试验研究
16. According to the results, hydrogen sulfide, calcium carbonate and water are the main products during the reaction.
    结果表明，甲烷和固态硫酸钙能够发生热化学还原反应，生成硫化氢、碳酸钙和水。
17. , 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。
18. 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。
19. 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。
20. The Distribution of Siliceous Hydrogen Carbonate Type Water in Cenozoic Basalt of China and Its Mechanism of Formation
    中国新生代玄武岩含硅酸重碳酸型水的分布及形成机制
21. Slightly increase of hydrogen yield was found with potassium carbonate, but CO, CH_4 and other alkanes yields kept constant at the same time. It was obvious that the potassium carbonate had not clear catalytic effect on cracking reaction of heavy alkanes.
    添加碳酸钾后，H2产率增幅较小，CO、CH4及其它气态烃产率基本不变，表明碳酸钾对烃类裂解反应无明显催化作用。
22. The mechanism of migration and precipitation of the silica controls the formation of siliceous hydrogen carbonate type water.
    它们的迁移和沉淀机制是控制含硅酸重碳酸型水形成的原因。
23. The production and application of sodium hydrogen carbonate inland and abroad are described. The developing trend of sodium hydrogen carbonate industry in our country is pointed out.
    介绍了国内外碳酸氢钠生产与应用情况，并提出了我国碳酸氢钠行业发展趋势。
24. Reducing content of hydrogen effect of fluoride, carbonate, active chide and rare earth oxide in weld by self-shielded flux-cored wire with CaF2-TiO2 MgO slag system is investigated.
    探讨氟化物、大理石、高价氧化物和稀土氧化物在氟钙钛渣系自保护药芯焊丝中的降氢机理。
25. Potassium hydrogen carbonate was added and refluxed in aqueous solution for 10 hours, evaporated in vacuo.
    加入碳酸氢钾回流10h，减压蒸干；
26. 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
27. ( 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。
28. The results show that: there are many modifiers can improve the humidity resistance of sodium silicate sand, including polyvinyl alcohol, disodium hydrogen phosphate, xylitol, lithium carbonate, polyethylene glycol, polyurethane, ethyl silicate, silicon hydride coupling agent and diethylene glycol ether.
    实验结果表明：聚乙烯醇、磷酸氢二钠、木糖醇、碳酸锂、聚乙二醇、聚氨酯、硅酸乙酯、硅烷偶联剂和二乙二醇乙醚等改性剂改性水玻璃均能提高微波硬化水玻璃砂的抗吸湿性。

noun

1. a salt of carbonic acid (containing the anion HCO3) in which one hydrogen atom has been replaced

   Synonym:    bicarbonate