Sodium hydrosulphide for industrial use - determination of the content of sodium hydrosulphide ane sulphide 工业硫氢化钠中硫氢化钠和硫化钠含量的测定
The determination of micro arsenic by reduced molyboloarsenate speclrophotometry after seperation by sodium borohydride 硼氢化钠还原钼蓝吸光光度法测定微量砷的研究
If the nabh4 addition amount was more , a double peak absorbance signal was obtained and the peak high was redaced 当硼氢化钠加入量较大时，所得的信号存在双峰，而且其峰高降低了很多。
The asymmetric reduction mechanism of p - methylcyclohexanone by sodium borohydride was investigated with ab initio calculations 用从头计算方法对硼氢化钠不对称还原对甲基环己酮的机理进行了研究。
The asymmetric reduction mechanism of p - methylcyclohexanone by sodium borohydride was investigated with ab initio calculations 摘要用从头计算方法对硼氢化钠不对称还原对甲基环己酮的机理进行了研究。
The isopropyl amine is used as extractive and purifying agent to give the final sodium borohydride with high purity and yield of 47 . 8 % 用异丙胺对产物进行萃取提纯，制得了纯度较高、收率为47 . 8 %的硼氢化钠产品。
In this paper the effects of some important experimental parameters on the selenium sensitivity were discussed 摘要本文讨论了硼氢化钠加入量、石英管内原子化温度和毛细管阻尼器等重要实验参数对于硒测量灵敏度的影响。
The sodium borohydride can be obtained by deoxidation of the aforementioned sodium metaborate as raw material in the presence of metalic sodium and quartzite 以偏硼酸钠为原料，与金属钠、石英砂进行加氢反应来制备硼氢化钠。
Surface modified au nanoparticles have been synthesized based on the reduction of hydrogen tetrachloroaurate ( haucl4 ) by sodium borohydride ( nabh ^ in methanol 通过硼氢化钠nabh _ 4还原氢金氯四haucl _ 4 ，成功地制作了羧酸酯表面修饰的金纳米粒子。
Dihydroxybenzyl alcohol is synthesized from 3 , 5 - dihydroxybenzoic acid by acylation and reduction by sodium borohydride reagent systems , which gives a convenient synthetic method 摘要以3 , 5 -二羟基苯甲酸为原料，经酰化、硼氢化钠还原体系还原，合成了3 , 5 -二羟基苯甲醇。
