sodium dithionite
英
美
网络 低亚硫酸钠; 连二亚硫酸钠; 其次加入二硫磺酸钠; 保险粉; 亚硫酸氢钠
双语例句
- Presents an analytical method for the separation and determination of SO 2-3, SO 2-4 and S 2O 2-3 in sodium dithionite by single column ion chromatography.
采用单柱离子色谱法分离测定了保险粉中的分解离子（SO2－3、SO2－4、S2O2－3）。 - Resulting the extraction technology of artificial culturing biofilms, the hydroxylamine hydrochloride ( NH_2OHHCl) was selected to extract manganese oxides, and sodium dithionite ( Na_2S_2O_4) was used to separate manganese oxides and iron oxides.
参考人工培养生物膜的萃取方法，分别用NH2OH.HCl和Na2S2O4为萃取剂选择性萃取生物膜上的锰氧化物和铁、锰氧化物。 - The reaction of fluoroalkyl iodides with ethyl vinyl ether and amines in the presence of sodium dithionite was studied.
研究了在保险粉存在下，氟烷基碘（1）与乙烯基乙醚和伯胺或仲胺（2）的反应。 - Determination of decomposable ions in sodium dithionite by single column ion chromatography
单柱离子色谱法测定保险粉中的分解离子 - Stability of sodium dithionite aqueous solution in pulp bleaching is discussed in this paper with electrical potential method.
本文用电位法研究了影响纸浆漂白过程中连二亚硫酸钠水溶液稳定性的多种因素，提出了减缓保险粉分解的漂白液配制方法。 - The flotation behavior of jamesonite was also dependent on pulp potential and the reagents for adjusting the potential used were ammonium persulfate(( NH4)_2S_2O_8) and sodium dithionite ( Na_2S_2O_4).
脆硫锑铅矿的浮选行为依赖矿浆电位。矿浆电位调节所用药剂为过硫酸铵（（NH4）2S2O8））和硫代硫酸钠（（Na2S2O4））。 - Sodium dithionite was used as a bleaching agent in the second stage bleaching of mixed office waste paper deinked pulp, which has been bleached with H 2O 2 in the first stage. Several parameters in sodium dithionite bleaching process were studied systematically.
以H2O2漂白后的混合办公废纸脱墨浆为待漂浆，系统地研究了各种因素对保险粉（连二亚硫酸钠）漂白过程的影响。 - Stability of Sodium Dithionite in Pulp Bleaching
纸浆漂白过程中连二亚硫酸钠稳定性的研究 - The anaerobic decomposition rate of the sodium dithionite in alkaline aqueous solution is reported here.
本文研究了连二亚硫酸钠在碱性溶液中绝氧条件下的分解率。 - A Study of Decomposition Rate of Sodium Dithionite
连二亚硫酸钠分解率的研究 - The compound F was synthesized by reduction of the compound Ethyl a-benzyl-acetoacetate using Sodium Dithionite. At the same time, the synthsis of the seven compounds B, C, D, E, G, H and I was carried on and explored.
合成并拆分了化合物A，用保险粉还原α-苄基乙酰乙酸乙酯合成了化合物F，同时对化合物B、C、D、E、G、H、I的合成进行了尝试和探讨。 - A simple and efficient directly method for the synthesis of symmetric dibenzyl sulfones from sodium dithionite and benzyl chlorides were promoted by ionic liquid.
离子液体促进连二亚硫酸钠和苄基氯直接合成对称二苄基砜的反应研究。结果表明该法简单有效。 - Sodium Dithionite-induced Reaction of Per ( poly) fluoroalkyl Chlorides with Aromatic Compounds Catalytic Conversion of Alcohol to Corresponding Alkyl Chlorides
全氟或多氟烷基氯代烷在保险粉引发下与芳香烃的反应由醇催化转化为长链氯代烷 - The results showed that sodium dithionite was effective in bleaching this kind of pulp and 7 points of ISO brightness gain were achieved under the optimum conditions.
结果表明，在经优化的实验条件下，保险粉漂白该浆种效果良好，可提高白度7%以上。