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本文所说的“沥青降解潜力”P_b,指的是干酪根生成沥青的极限能力。它是一个没有量纲的量,可用百分数或毫克/克表示之。对于酪根热降解过程的数学模拟来说,沥青降解潜力是一项基本参数。如果人工热解干酪根的实验装置允许沥青从干酪根中释放出来之后立即被收集起来而不会进一步演化,那么,从开始降解到彻底降解这一全过程中干酪根样品陆续释放出来的沥青的总重量同干酪根样品初始重量之比,就是这一样品的沥青降解潜力。
As used herein, “bitumen degradation potential” P_b refers to the ultimate ability of kerogen to generate bitumen. It is a dimensionless quantity, which can be expressed as a percentage or mg / g. Pitch degradation potential is a fundamental parameter for mathematical modeling of kerogen thermal degradation processes. If the artificial kerogen experimental device allows the bitumen to be released from kerogen immediately after it is collected without further evolution, then from the beginning to completely degrade degradation of kerogen samples released bitumen The ratio of the total weight to the initial weight of the kerogen sample is the asphalt degradation potential of this sample.