1、This shows that Vanadium pentoxide may only rarely be applicable as sole oxidizing agent.
這表明五氧化釩是很少用做單一的氧化劑的。

2、Study on DOP Preparation by Niobium Pentoxide Catalyzed Esterification
五氧化二鈮催化酯化制備 DOP 的研究

3、Note. The dichloromethane is distilled from phosphorus pentoxide and stored over molecular sieves.
注意事項(xiàng)(1)二氯甲烷加入五氧化二磷蒸餾，加入分子篩儲(chǔ)存。

4、Arsenic pentoxide is also used in insecticides, herbicides, metal adhesives, and pigments.
五氧化二砷（AS2O5）是殺蟲(chóng)劑、除草劑以及金屬黏合劑的主要成分。

5、One dinitrogen pentoxide molecule contains two nitrogen atoms and five oxygen atoms.
分子中含有兩個(gè)氮原子和五個(gè)氧原子。

pentoxide翻譯