Real time wall conditioning with lithium powder injection in long pulse H-mode plasmas in EAST with tungsten divertor oleh Z. Sun, R. Maingi, J.S. Hu, W. Xu, G.Z. Zuo, Y.W. Yu, C.R. Wu, M. Huang, X.C. Meng, L. Zhang, L. Wang, S.T. Mao, F. Ding, D.K. Mansfield, J. Canik, R. Lunsford, A. Bortolon, X.Z. Gong