本文论述了中国能源投入占用产出表(Extended Input-Output Table with Assets of China Energt -EIOTACE)编制的数据处理方法。笔者以2000年EIOTACE的编制为例对能源部门的分解和非能源部门的合并提出了一些方法。目标表编制步骤有五:...本文论述了中国能源投入占用产出表(Extended Input-Output Table with Assets of China Energt -EIOTACE)编制的数据处理方法。笔者以2000年EIOTACE的编制为例对能源部门的分解和非能源部门的合并提出了一些方法。目标表编制步骤有五:(1)确定表式;(2)收集基础表;(3)数据合并;(4)数据分解;(5)数据完善。展开更多
A new method called mixed Lagrangian and Eulerian method （MILE method） was used to simulate the thermomechanical behavior during continuous casting process of steel YF45MnV. The simulation results are basically in a...A new method called mixed Lagrangian and Eulerian method （MILE method） was used to simulate the thermomechanical behavior during continuous casting process of steel YF45MnV. The simulation results are basically in agreement with the measured data. The delaying period at the beginning of solidification is about 0.1. in square root of solidification time which is agreement with the data in literatures, and shell thickness increases in linear relation to square root of solidification time. The bloom surface temperature decreases gradually as the casting proceeds. The effective stress in the comer is much larger than that in the mid-face. The comer area is the dangerous zone of cracking. The effects of mold flux break temperature on the air gap and hot tearing indicator were also modeled. The model predicts that the bloom surface temperature increases with the increase of the mold flux break temperature, but the heat flux decreases with the increase of the mold flux break temperature. ,The hot tearing indicator is much smaller when the mold flux break temperature is higher.展开更多
文摘本文论述了中国能源投入占用产出表(Extended Input-Output Table with Assets of China Energt -EIOTACE)编制的数据处理方法。笔者以2000年EIOTACE的编制为例对能源部门的分解和非能源部门的合并提出了一些方法。目标表编制步骤有五:(1)确定表式;(2)收集基础表;(3)数据合并;(4)数据分解;(5)数据完善。
基金Project(51174020) supported by the National Natural Science Foundation of China
文摘A new method called mixed Lagrangian and Eulerian method （MILE method） was used to simulate the thermomechanical behavior during continuous casting process of steel YF45MnV. The simulation results are basically in agreement with the measured data. The delaying period at the beginning of solidification is about 0.1. in square root of solidification time which is agreement with the data in literatures, and shell thickness increases in linear relation to square root of solidification time. The bloom surface temperature decreases gradually as the casting proceeds. The effective stress in the comer is much larger than that in the mid-face. The comer area is the dangerous zone of cracking. The effects of mold flux break temperature on the air gap and hot tearing indicator were also modeled. The model predicts that the bloom surface temperature increases with the increase of the mold flux break temperature, but the heat flux decreases with the increase of the mold flux break temperature. ,The hot tearing indicator is much smaller when the mold flux break temperature is higher.
