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《Journal of Changchun Post and Telecommunication Institute》 1988-04
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Theoretical Analysis of Microwave Defrosting Frozen Coal

Guo Yongshan, Li Shuming, Wang Qingbin  
In this paper, the suggestion of microwave power was viewed. Theoretical and experimental works were made. The satisfied results were obtained. Dielectric constant and loss tangent values of coal samples were computed from measurements at microwave frequency. The Fresnel region field of horn antenna was well discussed. The defrosted depth and surface on fire were also described. A method of microwave defrosting frozen coal is suggested in theory
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