Word · Frequency #42204
catalysis
催化;催化作用
核心释义
The acceleration of a chemical reaction by a catalyst, which remains chemically unchanged at the end of the reaction.
- 1.
催化作用:由催化剂引起的化学反应速率的增加。
The increase of the rate of a chemical reaction, induced by a catalyst.
- 2.
在反应结束时化学性质不变的物质引起的化学反应加速
acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction
催化作用:由催化剂引起的化学反应速率的增加。;在反应结束时化学性质不变的物质引起的化学反应加速;刺激(或促进)作用;催化作用;[化] 催化; 催化作用; 接触作用
用法In use
The catalysis of the reaction was observed under the microscope.
用法提示:catalysis 作主语,指催化作用
Enzymes are biological catalysts that speed up catalysis in living organisms.
用法提示:catalysis 作宾语,指催化过程
Without proper catalysis, the industrial process would be too slow.
用法提示:catalysis 作介词宾语,指催化作用
of the top 50 commodity chemicals, 30 are created directly by catalysis and another 6 are made from raw materials that are catalytically produced
catalysis of [sth]
多用于描述催化对象。
The catalysis of hydrogen peroxide produces water and oxygen.
相关词与表达Connections
近义词Synonyms
- acceleration
- 加速 · 可互换,但'加速'更通用,不特指催化作用
- stimulation
- 刺激 · 非专业语境下可替换,但'刺激'可能指任何激发,不限于化学
- promotion
- 促进 · 在描述催化作用时可替换,但'促进'范围更广
学习提示Learner notes
语法说明Grammar Note
通常作不可数名词
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.