Naturally occurring transparent, colorless crystalline allotrope of carbon.

天然存在的透明、无色、结晶的碳的同素异形体。

Carbyne is a new allotrope of carbon which had been found in nature in 1968.

线型碳是1968年在自然界发现的一种碳的新同素异形体。

Artificial diamonds are manufactured from graphite (another allotrope of carbon) using intense heat and pressure.

人造金刚石由石墨(碳的另一种同素异形体)在高温高压下制造。

A blue gaseous allotrope of oxygen, O3, formed naturally from diatomic oxygen by electric discharge or exposure to ultraviolet radiation.

臭氧一种气态氧气的同素异形体，O3在紫外线辐射下通过电子放射或暴晒从双原子氧气自然形成。

Owing to its effect of the surface and intrinsic lacuna, carbon nanotubes have perfect reactive ability than other allotrope of graphite.

碳纳米管的表面效应和管壁中存在有大量的拓朴学缺陷，使碳纳米管的表面本质上比其它的石墨变体有更大的反应活性。