氢化钠

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  • Sodium hydride;hydrogen sodium
氢化钠氢化钠
  1. 研究采用以硼氢化钠为还原剂的化学镀镍溶液,在电子陶瓷基体上镀覆了Ni-B合金镀层。

    A Ni B alloy coating bas been plated on electronic ceramic body in chemical nickel plating solution by use of natrium borohydride as a reducer .

  2. 研究了以硼氢化钠为还原剂的金刚石表面化学镀Ni工艺,重点探讨了镀液主要工艺参数对沉积速度的影响,获得了最佳工艺条件:硼氢化钠1.0g/L;

    Process for electroless plating nickel on diamond using sodium borohydride as reductant was studied , and effect of parameters on deposition rate of nickel was investigated .

  3. 对于产品氢化钠进行了比表面积测定,表明氢化钠具有很高的催化活性,其数值为110.3/g,转化率在80%以上。

    A determination of the specific surface area of the product shows its highly activity , the value of which is 110.3 m 2 / g. The conversion ratio of sodium is over 80 % .

  4. AIP潜艇燃料电池供氢新技术&硼氢化钠水解制氢

    A novel method of hydrogen supply for AIP submarine fuel cell & hydrogen production from hydrolysis of sodium borohydride

  5. 用硼氢化钠作为还原剂,在有机溶剂中还原α羟甲基苯乙酸甲酯,得到2苯基1,3丙二醇(PPD),产率大于75%。

    2-Phenyl-1 , 3-propanediol was prepared from the reduction of methyl tropate with sodium borohydride in organic solvent in more than 75 % yield .

  6. 在强碱诱导下的碱性PEG-400介质中,硼氢化钠、硒粉和卤代烃反应高产率得到二硒醚。

    Diselenides were synthesized by the reaction of sodium borohydride , selenium powder and halohydrocarbon in the media of PEG-400 .

  7. 目的:探讨硫化氢供体&硫氢化钠(sodiumhydrosulfide,NaHS)对大鼠高肺血流性肺动脉高压及内源性一氧化碳(CarbonMonoxide,CO)/血红素氧合酶(HemeOxygenase,HO)体系的影响。

    Objective : To explore the possible impact of hydrogen sulfide donor-NaHS ( sodium hydrosulfide ) on experimental pulmonary artery structural remodeling induced by high pulmonary flow and endogenous carbon monoxide / heme oxygenase pathway .

  8. 以乙二胺、二茂铁和硼氢化钠为原料,以N2和H2为辅气,用钴作催化剂,在不同温度下制备出了具有竹节状结构的硼碳氮(BCN)纳米管。

    Bamboo shaped BCN nanotubes have been prepared by pyrolysis of ethylene diamine , ferrocene and sodium borohydride over cobalt catalyst in N 2 / H 2 atmosphere at 780 & 970 ℃ .

  9. 采用循环伏安法,分别以铜、钛、铅、钛、Ti/PbO2和Ti/MnO2作为阴极,对该反应进行实验研究,证实了偏硼酸钠电化学还原制各硼氢化钠的可能性;

    By using Cyclic Voltammetry to study the reduction reaction , copper , titanium , lead , Ti / PbO2 and Ti / MnO2 as cathode respectively , it is proved that sodium metaborate can be electrochemically reduced to sodium borohydride .

  10. 本文研究了Au对硼氢化钠直接氧化的催化和电解液添加剂对Au催化性能的影响。首先,采用循环伏安法研究了实验条件对硼氢化钠在金电极上直接氧化的影响。

    In the thesis , the direct oxidation of sodium borohydride using Au catalysts and the effects of additives on that were researched . Firstly , the effects of experiment conditions on direct oxidation of sodium borohydride using Au catalysts was studied by cyclic voltammetry .

  11. 本文研究了以硼氢化钠为还原剂,乙二胺为络合剂,BGR为稳定剂的化学镀镍溶液。

    Chemical nickel plating solution which used sodium borohydride as reducing agent , ethylenediamine as complexing agent and BGR as stabilizing agent was studied in this paper .

  12. 以自制高活性PPK为材料,在氰基硼氢化钠存在下经水溶性乙醛酸修饰其表面氨基,使其抗不可逆热失活稳定性有显著提高。

    Reductive alkylation of surface amino groups in high activity PPK ( pig pancreas kallikrein ) by glyoxylic acid in the presence of sodium cyanoborohydride results in increasing the stability against irreversible thermoinactivation .

  13. 直接硼氢化钠燃料电池(DBFC)以其无毒、易储存、高理论功率密度、低工作温度和高电压等优点而受到广泛关注。

    With some outstanding features such as non-toxic , easy storage , high open circuit potential , low operation temperature and high power density , direct borohydride fuel cell ( DBFC ) has attracted increasing attentions recently .

  14. 正交实验得到了N-烷基化反应的最佳工艺条件:氢化钠为缚酸剂,溶剂为甲苯,相转移催化剂为TEBA和反应时间为2小时,收率94.3%。

    The optimum process conditions of N-alkylation reaction were determined by orthogonal experiment as follows : the base was sodium hydride , the solvent was toluene , reaction time was 2 hours and the phrase transfer catalyst was TEBA , and the yield was 94.3 % .

  15. 应用硼氢化钠还原法合成一种硒代鬼臼毒素衍生物。

    One of derivatives of selenoylpodophyllotoxin was synthesized with reduce method .

  16. 硼氢化钠体系作还原剂对羰基的还原

    The Reduction of Carbonyl Group by the System of Sodium Borohydride

  17. 氢化钠催化法合成芴甲醇

    The study on synthesis of 9-fluorenemethanol by sodium hydride catalysis

  18. 硼氢化钠固相还原反应的研究现象学的还原

    Studies on the reducing reaction of NaBH_4 in solid phase

  19. 碱性硼氢化钠溶液析氢催化剂的研究

    Research on catalyst of hydrogen production from sodium borohydride in alkaline solution

  20. 砷酸氢化钠七水合物;

    Disodium hydrogen arsenate heptahydrate ; Sodium hydrogen arsenate heptahydrate ;

  21. 硼氢化钠还原酯实验的探讨

    Study on the Experiment of Ester Reduction with Sodium Borohydride

  22. 稀土氯化物催化作用下纳米氢化钠对芳基卤化物的还原脱卤

    Reductive dehalogenation of aryl halides with nano NAH catalyzed by lanthanide chlorides

  23. 温和条件下四氯化锆-萘催化合成活性氢化钠

    Catalytic Synthesis of Activited Sodium Hydride from Zirconium Tetrachloride-Naphthalene under Mild Conditions

  24. 醋酸镍促进硼氢化钠水解制氢的研究

    Study on Promotive Hydrolysis of Sodium Borohydride by Nickel Acetate

  25. 纳米尺寸的氢化钠对硝基苯的还原反应

    Reduction of nitrobenzene by sodium hydride of nanometer size

  26. 机械浆用硼氢化钠预处理的过氧化氢漂白

    NaBH_4 Pretreatment Assisted H_2O_2 Bleaching Process for Mechanical Pulp

  27. 胆绿素经硼氢化钠还原制备胆红素

    Preparation of bilirubin from Biliverdin by sodium borohydride reduction

  28. 硼氢化钠-质子交换膜燃料电池的研究发展趋势

    Research and Development Trends of Sodium Borohydride Based Proton Exchange Membrane Fuel Cells

  29. 复合还原剂硼氢化钠/铁盐对腈的还原

    Reduction of Nitriles with Combined Reducing Agent & Sodium Borohydride / Iron Salts

  30. 氢化钠百分含量的水解法测定

    Determination of Percentage Content of Sodium Hydride by Hydrolysis