xylidene
英
美
网络 二甲苯胺
双语例句
- The trace of Cr in water was determined by spectrophotometry based on the catalysis of Cr(ⅵ) to the oxidation of xylidene blue by potassium bromate in acid medium.
研究了在酸性介质中铬（Ⅳ）催化溴酸钾氧化二甲苯胺蓝褪色的最佳条件。
美
网络 二甲苯胺