dimethyl amine

用法例句

Potassium triborate was synthesized with potassium carbonate and boric acid by controlling suitable feed mixture ratio,reaction temperature and dehydration temperature in the self-designed boiling reactor.

借助自行设计的沸腾反应器,采用碳酸钾和硼酸通过控制适宜的原料配比、反应温度和脱水温度合成出三硼酸钾。

The photographic properties of silver bromoiodide emulsions were discussed when different methods were applied in adding the potassium triiodide aqueous solution into the reaction vessel during the period of precipitation.

本文比较了在相同的乳化条件下分别使用碘化钾和三碘化钾后乳剂感光性能的差异。