2nd International Conference on Energy, Material Science and Environment Engineering (ICEMSEE 2021) was planned to be held during Mar. 10-12, 2021 at Taipei, China, but due to the VISAs to Taiwan is not available at present, the conference organizing committee decided to hold the online conference via Tencent Meeting.
We are very honored to invite two oral speakers in this conferences to share their research results with other 9 participants. We would like to thank the organization staff, the Committee members, all the reviewers and everyone who had worked for and lending a hand in reviewing papers and making valuable suggestions for the improvement of the conference. Special thanks go to IOP Publishing for their sincere help and high efficiency in publishing and indexing for all articles. We'd like to express our gratitude for all speakers and participants of this conference.
SPEECH ONE
Speech Title:
Radiation Response of Al2O3 based Metal-Oxide-Semiconductor Structures under Gamma-ray
Author/Speaker:
Man DING
From The College of Energy and Electrical Engineering, Hohai University, Nanjing, Jiangsu, China

SPEECH TWO
Speech Title:
Is core bacterial community more vulnerable to environmental changes in dammed river?
Author/Speaker:
Shijun Zhu
From Institute of International Rivers and Eco-Security, Yunnan University, Kunming 650500, Yunnan province, China / Yunnan Key Laboratory of International Rivers and Transboundary Eco-security, Kunming 650500, China
