Copper-based catalysts的用法和樣例：
例句
- The catalytic activity of brominated anthracene catalysts was relatively low and was seldom reported.
非溴催化體系的研究主要集中于氮氧自由基催化劑。 - Ruthenium catalysts are considered as the second generation catlysts for ammonia synthesis following iron catalysts.
釕基催化劑被稱(chēng)為繼鐵基催化劑之后第二代氨合成催化劑。
