摘要
mary name="EnDivSummary">By comparing production rate of hydrogen, gaseous hydrocarbons and liquid hydrocarbon, the authors discovered that liquid hydrocarbon is the major factor affecting polycondensation of organic matter. In the two systems, there is a negative correlation between the production rate of hydrogen and liquid hydrocarbon, gaseous hydrocarbons and liquid hydrocarbon. It shows that organic evolution is a stable process affected by the bond energy of chemical bonds and not related with experimental methods and processes. In the high temperature stage, the production rate of gaseous hydrocarbons is almost equal under the open and closed systems. Therefore, when calculating the gas volume, the evolution degree should be taken into account in choosing gas production rate.