为了解决这个问题，可以用无定形裂化组分对沸石进行改性而制成一种复合催化剂。
To overcome this problem, the zeolite can be modified with amorphous cracking component to form a compo - site catalyst.
催化剂的活性中心位于胶粒表面，催化剂颗粒是无定形的。
The active center lay on the surface of the colloidal particle. The particles were amorphous.
各种不同方法制备的碳纳米管样品，大部分含有无定形炭，碳纳米颗粒和催化剂等杂质。
Carbon nanotubes (CNTs) samples have been synthesized by many different method. They almost have impurities, such as amorphous, carbon nanoparticles and catalyst particles.
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