**Author details**

Han He National Astronomical Observatories, Chinese Academy of Sciences, Beijing, China

\*Address all correspondence to: hehan@nao.cas.cn

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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*Variation of Coronal Magnetic Field and Solar Flare Eruption DOI: http://dx.doi.org/10.5772/intechopen.86168*
