chromic anhydride短语¹⁴⁴⁹⁷²⁺² 基本例句 铬酸酐 A process of Cr electroplating at room temperature with low chromic anhydride content was proposed. 提出了一种常温低浓度镀铬工艺。 chemyq The oxidation of isosafrole is reaction with chromic anhydride- acetone, chromic anhydride- acetic acid, sodium bichromate- sulfuric acid and so on. 用三氧化铬-丙酮、三氧化铬-乙酸、重铬酸钠-硫酸等氧化剂对异黄樟油素进行了氧化反应。 dictall