Peer review declaration

All papers published in this volume of Journal of Physics: Conference Series have been peer reviewed through processes administered by the Editors. Reviews were conducted by expert referees to the professional and scientific standards expected of a proceedings journal published by IOP Publishing. • Type of peer review: Single-Blind. The members of Reviewer Team reviewed papers by creativity, scientific value, the relevance to the topics, paper format requirements, and English proofread. • Conference submission management system: Authors submit papers via mail system • Number of submissions received: 368 • Number of submissions sent for review: 360 • Number of submissions accepted: 209 • Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100): 56% • Average number of reviews per paper: 2 • Total number of reviewers involved: 40 Any additional info on review process: 1. Single-blind peer review (by one of the editors) with editorial entry check (by the corresponding editor) and post-acceptance language and style check (by an invited linguist). 2. The review process for each paper took around 1 to 2 month/s. In the case of contradict decision of acceptance (accepted of reject)/suggestion for publication between two reviewers of the paper, the final selection was made based on either weighted all comments or initiated the third reviewer for new weighted selection. And the core of the review team is comprised from educators and researchers from universities and research institutions at home and at abroad. Contact person for queries: Miss Xiaoai Zhao Email: ywdjsj@gmail.com