油页岩原位转化螺旋与管壳结构对流电加热器传热性能研究

樊力升1, 2 , 李强1, 2∗

Heat transfer performance of convection electric heater with helical structure and shell-and-tube for oil shale in-situ conversion

Fan Lisheng 1, 2 , Li Qiang 1, 2∗

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