该文利用热经济学的先进后出LIFO(Last In First Out)模式和结构理论的数学方法,对200MW机组的热力系统进行了分析,实际计算了热力过程的成本形成和分布情况。依据流入流出工质流的流后入先出的规则,绘制了工质流的参数区间图,并以此为...该文利用热经济学的先进后出LIFO(Last In First Out)模式和结构理论的数学方法,对200MW机组的热力系统进行了分析,实际计算了热力过程的成本形成和分布情况。依据流入流出工质流的流后入先出的规则,绘制了工质流的参数区间图,并以此为工具,建立了机组的生产结构图,从而对复杂热力系统部件之间的生产关系(或称为内部的商品交易关系)进行了描述。这种描述的数学模型是结构理论建立的代数方程组,求解结果可以得到各个部件的燃料/产品流的成本。生产过程中的和系统终端产品的成本分析是热力系统运行状况评价的依据,同时也是终端产品定价的重要参考。展开更多
This study measured the level of innovation achievement protection and the degree of internal structural upgrading of the productive service industry in 28 provinces of China from 2000 to 2022.Exploratory spatial anal...This study measured the level of innovation achievement protection and the degree of internal structural upgrading of the productive service industry in 28 provinces of China from 2000 to 2022.Exploratory spatial analysis methods were used to test the spatial correlation between the two variables,and the spatial impact of innovation achievement protection on the optimization of the internal structure of the productive service industry was examined at the national and sectoral levels.The results showed three main aspects of this system.(1)The agglomeration level of innovation achievement protection and internal structure optimization of the productive service industry between regions in China continued to increase during the sample period,and there was a clear similarity and synchronicity in the spatial evolution of the two variables.(2)The overall improvement in the protection level of innovative achievements is conducive to promoting the internal structural upgrading of China’s productive service industry.However,there are significant differences in the degree to which the protection of innovative achievements affects the internal structural upgrading of the productive service industry in the four major regions of the East,Central,Northeast,and West.The protection of innovative achievements in the East and Central regions significantly promotes the internal structural optimization of the productive service industry,while this effect is not significant in the western and northeastern regions.(3)The results of the robustness test indicate that the impact of internal structural upgrading of the productive service industry in the previous year on the level of innovation achievement protection is not significant.The interference from abnormal values of the internal structural upgrading of the productive service industry in various regions and the influence of municipalities directly under the central government on the regression results are not significant.After replacing the main variable,the coefficient of the in展开更多
文摘该文利用热经济学的先进后出LIFO(Last In First Out)模式和结构理论的数学方法,对200MW机组的热力系统进行了分析,实际计算了热力过程的成本形成和分布情况。依据流入流出工质流的流后入先出的规则,绘制了工质流的参数区间图,并以此为工具,建立了机组的生产结构图,从而对复杂热力系统部件之间的生产关系(或称为内部的商品交易关系)进行了描述。这种描述的数学模型是结构理论建立的代数方程组,求解结果可以得到各个部件的燃料/产品流的成本。生产过程中的和系统终端产品的成本分析是热力系统运行状况评价的依据,同时也是终端产品定价的重要参考。
基金The National Social Science Foundation of China(23BJL091)。
文摘This study measured the level of innovation achievement protection and the degree of internal structural upgrading of the productive service industry in 28 provinces of China from 2000 to 2022.Exploratory spatial analysis methods were used to test the spatial correlation between the two variables,and the spatial impact of innovation achievement protection on the optimization of the internal structure of the productive service industry was examined at the national and sectoral levels.The results showed three main aspects of this system.(1)The agglomeration level of innovation achievement protection and internal structure optimization of the productive service industry between regions in China continued to increase during the sample period,and there was a clear similarity and synchronicity in the spatial evolution of the two variables.(2)The overall improvement in the protection level of innovative achievements is conducive to promoting the internal structural upgrading of China’s productive service industry.However,there are significant differences in the degree to which the protection of innovative achievements affects the internal structural upgrading of the productive service industry in the four major regions of the East,Central,Northeast,and West.The protection of innovative achievements in the East and Central regions significantly promotes the internal structural optimization of the productive service industry,while this effect is not significant in the western and northeastern regions.(3)The results of the robustness test indicate that the impact of internal structural upgrading of the productive service industry in the previous year on the level of innovation achievement protection is not significant.The interference from abnormal values of the internal structural upgrading of the productive service industry in various regions and the influence of municipalities directly under the central government on the regression results are not significant.After replacing the main variable,the coefficient of the in
