根据天然气循环催化裂解改制技术的工艺过程，计算出基本的工艺参数，结合工程实际给出了实际生产参数。
According to the technological process of reforming technology through cyclic catalytic cracking of natural gas, the basic technological parameters are calculated.
依托泊苷能稳定酶催化性循环中的一种共价的拓扑异构酶ii裂解的DNA中间复合物，导致基因组不稳定性和细胞死亡(2,3)。
Etoposide stabilizes a covalent topoisomerase II-cleaved DNA intermediate complex in the catalytic cycle of the enzyme, leading to genomic instability and cell death (2, 3).
在催化裂化装置一个不断循环流态化沸石催化剂允许快速裂解反应发生在气相。
The FCC unit continuously circulates a fluidized zeolite catalyst that allows rapid cracking reactions to occur in the vapor phase.
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