Electron heat diffusivity inferred from the electron power balance was studied in the ohmically heated plasma on an HT-7 tokamak.The results obtained before and after siliconization were compared and it is found that the diffusivity is reduced obviously in the half of the outer region(r/a>0.5)after siliconization,which was the reason why energy confinement was improved after siliconization.
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机译：A Simulation of the Erect of Collisional Dissipation of Fast Electrons on the Radial Profiles of the Current Driven by Lower-Hybrid-Waves on the HT-7 Tokamak
