1·2 mg of copper as cupric oxide.
铜氧化物中铜质2毫克。
2·The scattered blue particles are cupric nitrate and zinc nitrate, a byproduct of the chemical reaction.
略带蓝色的部分是硝酸铜和硝酸锌，一种化学反应后的产物。
3·But they shrink at different rates, which makes the black cupric oxide flake off.
但是，他们在不同的收缩率，从而使黑色铜氧化物片赶走。
4·In this paper, the silver salt instead of cupric salt is proposed.
本文提出用银盐代替铜盐用间接原子吸收光谱测定。
5·Cupric ion exchanged NaY zeolite was prepared. The method to reduce cupric into cuprous exchanged zeolite was studied.
用离子交换方法制备了铜交换的分子筛，研究了将二价铜还原为一价铜的方法。