Meteorites may have released compounds including hydrocarbon chains and a large amount of ammonia, which is rich in nitrogen.
陨石可能已经释放了化合物，包括碳氢化合物链和大量氨，富含氮。
A large amount of C5 fraction is generated in the ethylene production process with petroleum hydrocarbon cracking.
在石油烃类裂解制取乙烯的过程中，有大量的C5馏分产生。
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