@article{oai:nifs-repository.repo.nii.ac.jp:00005100, author = {Imai, T. and Minami, R. and Cho, T. and Tatematsu, Y. and Ichimura, M. and Hirata, M. and Kohagura, J. and Hojo, H. and Numakura, T. and Sakamoto, K. and Saigusa, M. and Kubo, S. and Shimozuma, T.}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-15}, title = {Improvement of Plasma Performance by Strong ECH with High Power Gyrotron}, volume = {Annual Report Apr.2006-Mar.2007}, year = {} }