The UV radiation emitting device (24) breaks down ozone in the air stream, catalysed by the ozone catalysing device (26).

UV辐射发射装置（24）分解气流中的臭氧，臭 氧通过臭氧催化装置（26）催化。

Citrate synthase plays a key role in regulating TCA cycle and is responsible for catalysing the synthesis of citrate from oxaloacetate and acetyl CoA.

柠檬酸合成酶在TCA循环中起着关键的调节作用，它通过催化乙酰辅酶A与草酰乙酸缩合成柠檬酸。