dichromate的例句（dichromate在句子中的用法）

• The reaction conditions on oxidation of 2 - methylpyridine to 2 - acid by oxidation of potassium dichromate were studied. 研究了以2-甲基吡啶为原料,以重铬酸钾为氧化剂,利用化学氧化法合成 2- 吡啶甲酸的反应条件.
• The main methods are: glass - electrodes method, potassium dichromate method and statistical method. 采用的主要方法有: 玻璃电极法, 重铬酸钾法,统计学方法等.
• Preferally, the anion portion of the salt is permanganate, iodate, dichromate or hyperchlorite. 它的阴离子部分最好是高锰酸, 碘酸, 重铬酸或过氯酸根.
• The proof is recoated with dichromate emulsion. 将这张校样重新涂以重铬酸盐乳剂.