铬酸钠

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  • sodium chromate
铬酸钠铬酸钠
  1. 而且SDDTC与硫酸锌,铬酸钠之复配缓蚀剂具有很好的协同增效作用,这一切相关研究具有重要的实际应用意义。

    And SDDTC and zinc sulfate , sodium chromate corrosion inhibitors of the compound has good synergies , all of this research has important practical application of significance .

  2. Ⅳ型胶原在实验性铬酸钠中毒大鼠肾的变化

    Expression of type ⅳ collagen in rat kidneys of sodium chromate intoxication

  3. 本文用~(51)Cr-铬酸钠释放法分析了由PBL、SPC和THC制备的LAK细胞免疫活性变化规律。

    In the paper , the alterative regularities of the killing activity of LAK cell prepared with PBL , SPC and THC was studied by ~ ( 51 ) Cr-release way .

  4. 利用工业生产重铬酸钠的废弃物铝泥研制Cr-Al鞣剂,必须首先对铝泥的成分进行分析,并确定合适的方法准确测定铝泥中的Cr、Al含量。

    Analysis of aluminum residue and determination of the content of Cr (ⅵ) and Al (ⅲ) in it are essential to utilize aluminum residue , a kind of waste from dichromate industry , for preparation of Cr-Al complex tanning agents .

  5. 铬酸钠中毒大鼠肝网状纤维的变化

    Study on Change of Chromate Sodium-treated Reticular Fiber in Livers of Rats

  6. 铬酸钠碳氨转化过程中铬的析出形式

    Crystals in conversion process of sodium chromate with ammonia and carbon dioxide

  7. 铬酸钠碳氨转化过程的相图分析

    Phase Diagram Analysis of the Carbonation Process of Sodium Chromate and Ammonia Solution

  8. 淀粉水热还原铬酸钠过程动力学研究

    Investigation of the kinetics of the hydrothermal reduction of sodium chromate with starch

  9. 精制后的铬酸钠产品纯度可达到工业生产要求。

    The refined sodium chromate products will meet the requirements in the industrial process .

  10. 铬酸钠中毒大鼠肝溶菌酶变化的图像分析

    Image Analysis of the Change of Lysozyme in Livers of Rats Treated by Chromate Sodium

  11. 介绍了用离子膜电解槽电解工业铬酸钠溶液合成重铬酸钠的过程。

    A process of electrolytic synthesis of sodium dichromate from industrial sodium chromate solution is introduced .

  12. 方法以毛细管区带电泳分离分析尿样中的柠檬酸盐、草酸盐,以铬酸钠为紫外吸收剂进行间接紫外检测。

    Methods Capillary electrophoresis with indirect ultraviolet ( UV ) detection was performed for determining urinary citrate and oxalate .

  13. 用抗Ⅳ型胶原单克隆抗体免疫组化法对实验性铬酸钠中毒大鼠肾进行了研究。

    The rat kidneys of sodium chromate intoxication were studied by immunohistochemical method using the monoclonal antibody to type ⅳ collagen .

  14. 缓交联铬冻胶体系由部分水解聚丙烯酰胺、重铬酸钠与有机还原剂硫脲组成。

    A kind of chromium gel system of retarded crosslinking made of partially hydrolyzed polyacrylamide ( HPAM ), sodium bichromate and organic reductant sulfocarbamide was investigated .

  15. 研究了柠檬酸与重铬酸钠的反应历程、生成螯合物的结构以及Cr3+HPAM胶态分散体冻胶的性能。

    The reaction mechanism between citric acid and sodium dichromate , the structure of product chelate , and the performances of chromium-HPAM colloidal dispersion gel were studied .

  16. 选择氧化法精制催化裂化柴油,以过氧化氢和重铬酸钠作为氧化剂,建立以色号、胶质及氧化沉渣等性质作为评价催化裂化柴油安定性能的主要指标。

    The catalytic cracking diesel oil is refined by oxidation method using H_2O_2 and Na_2Cr_2O_7 as oxidants , and the colority , colloid and oxidated sediment as evaluating indexes .

  17. 为此,本论文基于热力学理论和结晶学中成核附聚长大理论,深入研究了铬酸钠溶液酸化过程,以及新的中和除铝方法,旨在为铬盐生产提供理论依据。

    Based on the theory of thermodynamics and nucleation , agglomeration and crystal growth of crystallography , the acidification process of sodium chromate solution and removal of aluminium were studied .

  18. 为从源头解决铬盐生产中环境污染的问题,亟需探索清洁高效的重铬酸钠生产技术。

    In order to resolve environmental pollution problems from the source in chrome salts production , it is urgent to explore a clean and efficient production technology of sodium dichromate .

  19. 利用重铬酸钠铵盐还原法制备三氧化二铬,其工艺简单,产品质量高,可达化学试剂级。

    The process for preparating chromium trioxide from sodium dichromate by reduction of ammonium salt is simple and the product has high quality and can be up to chemical regent grade .

  20. 化学处理,例如重铬酸钠溶液,可以促进无氧化膜和杂质不锈钢表面的钝化膜更快速度的生成。

    Chemical treatments , such as sodium dichromate solutions , may facilitate the more rapid formation of the passive film on a stainless steel surface already free of scale or foreign matter .

  21. 考察了以重铬酸钠为氧化剂,胶束催化氧化合成对硝基苯甲酸的有关影响因素。

    For the synthesis ofp-nitrobenzoic acid by means of micelles catalytic oxidation , sodium dichromate is used as oxidant , and the best catalyst is found to be dodecyl dimethyl benzyl ammonium bromide .

  22. 通过提高钝化体系的重铬酸钠的浓度、降低钝化体系温度和提高钝化的电量,增加钝化膜的厚度,提高镀锡板抗氧化的能力。

    The oxidation resistance of tinplate was improved by increasing the concentration of sodium dichromate , lowering the temperature of passivation and increasing the charge of passivation , which increased the thickness of passive film .

  23. 在线实验测得不同温度、不同电流密度、阳极液不同初始浓度时,铬酸钠电催化合成重铬酸钠和重铬酸钠电催化合成铬酸酐过程中不同反应时间下的工作电压。

    The working voltages were experimentally measured on-line at different reaction times under conditions of different temperatures , different current densities , and different initial anolyte concentrations in the electrochemical synthesis process of sodium dichromate and chromic anhydride from sodium chromate and sodium dichromate , respectively .

  24. 介绍了一种制取铬酸钙的新方法,利用重铬酸钠溶液分解碳酸钙,可以得到高纯度的铬酸钙。

    It is shown that calcium carbonate can be decomposed in aqueous sodium dichromate solution and transformed to calcium chromate at ambient pressure and boiling temperature .