常見例句Abstract: The method of determining of sodium chloride in the rock salt through potassium dichromate backtitration is studied. 中文摘要: 研究了採用重鉻酸鉀返滴定法測定巖鹽中的氯化鈉。The performance of Ni-K/Al_2O_3 catalyst in methanol decomposition is stud-ied using TPSR,differential reactor-GC and butylamine non-aqueous solvent backtitration. 用程序陞溫表麪反應(TPSR)、微反-色譜和正丁胺非水溶劑廻滴法對 Ni-K/Al_2O_3催化劑的性能進行了研究。 返回 backtitration