adj.(化学物质)起催化作用的，有催化性的，催化性的，促进性的，刺激性的

The catalytic converter helps to reduce harmful emissions from the car's exhaust.
催化转换器有助于减少汽车排气中有害物质的排放。
The enzyme acts as a biological catalyst in the metabolic process.
这种酶在代谢过程中充当生物催化剂的作用。
Platinum is used as a catalytic material in fuel cells.
铂被用作燃料电池中的催化材料。
The presence of a catalyst can dramatically increase the rate of a chemical reaction.
催化剂的存在可以显著提高化学反应的速率。
A catalytic water heater uses less energy than a conventional one.
催化式热水器比传统热水器更节能。
The catalytic action of enzymes is essential for life.
酶的催化作用对生命至关重要。
The use of a catalytic agent can lead to the production of unwanted by-products.
使用催化剂可能导致不希望的副产品的产生。
In the Haber process, iron acts as a catalytic promoter.
在哈柏制氨法中，铁充当催化促进剂的角色。
The catalytic effect of sunlight on certain chemicals can produce harmful substances.
阳光对某些化学物质的催化作用可能产生有害物质。
A catalytic exhaust treatment system can reduce pollution from industrial processes.
催化废气处理系统可以减少工业过程中的污染。