与氰氢酸的加成是碱催化的。
The addition reaction with hydrogen cyanide is base-catalysed.
多氢酸具有的优势对海上油田的酸化具有重要意义。
Superiority of the multi - hydracid acidizing will be significance for the acidizing of offshore oilfields.
多氢酸是一种复合物，因含有多个氢离子，而称之为多氢酸。
Multi-hydrogen acid is a kind of compound and it is so called because it has five hydrogen ions.
对硫氢酸钠湿法二步法腈纶进行增白，探讨了主要增白工艺条件对增白效果的影响。
The whitening process was performed on PAN fiber produced by sodium thiocyanate wet spinning. The effects of the main whitening conditions on whitening effect were discussed.
一种有毒的、不稳定的、极易挥发的有机酸，HOCN，用来制取氢酸盐或氢酸酯。
A poisonous, unstable, highly volatile organic acid, HOCN, used to prepare cyanates.
以硫氢酸铵络合钴离子，随后用乙酸丁酯进行萃取，利用分光光度法测量光亮镀镍溶液中的钴离子。
Spectrophotometric determination of cobalt in bright nickel plating bath was advanced with ammonium thiocyanate as complexing agent and butyl acetate as extracting agent.
本文提出了一种新型的砂岩储层酸化处理液¬¬—多氢酸酸液体系，并且已成功的运用于现场施工。
In this paper, a new acid system that is called multi-hydrogen acid for sandstone acidizing is presented, which has been successfully applied on site.
本文将合成的低浓度洗必太氟氢酸盐加入酸胶中，观察其在釉质脱矿过程中的作用，并用氟化钠对照。
The effect of chlorhexidine hydrofluoride in low concentration was observed during the process of the artificial demineralization of enamel with acid gel.
本文将合成的低浓度洗必太氟氢酸盐加入酸胶中，观察其在釉质脱矿过程中的作用，并用氟化钠对照。
The effect of chlorhexidine hydrofluoride in low concentration was observed during the process of the artificial demineralization of enamel with acid gel.
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