催化剂的作用

Action of catalyst

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1
在低压下这些催化剂的作用要比在高压下为大。
The effect of these catalysts is greater at low pressures than at high pressures .
2
简要地介绍了燃煤催化剂的作用，并对其催化机理进行了探讨。
The action of fuel coal catalyst is introduced. And its mechanism is approached.
3
以催化裂化油浆富芳烃馏分为原料，在酸性催化剂的作用下合成了沥青树脂。
Under the action of acid catalyst, the pitch resin was synthesized by using aromatic hydrocarbon enriched raw material from FCC slurry.

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