iron-base catalyst的用法和樣例：
例句
- Ruthenium catalysts are considered as the second generation catlysts for ammonia synthesis following iron catalysts.
釕基催化劑被稱為繼鐵基催化劑之後第二代氨合成催化劑。 - Dorner and colleagues found that using the usual cobalt-based catalyst on seawater-derived CO2 produced almost entirely methane gas.
多納和同事發現，在海水衍生的二氧化碳中使用普通的鈷基催化劑，產生的幾乎全是甲烷氣體。
