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 / Double-blind / Triple-blind / Open / Other (please describe) Double-blind □ Conference submission management system: -conference global system □ Number of submissions received: 37 □ Number of submissions sent for review: 37 □ Number of submissions accepted:20 □ Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100): 54% □ Average number of reviews per paper: 4 □ Total number of reviewers involved: 21 □ Any additional info on review process: after considering these aspects: Relevance to the Conference, Originality, Appropriateness of the research/study method, Innovation, Relevance and clarity of graphics and tables, Presentation, there are also some recommendation ways for the Technical members to choose: Publish Unaltered, Publish in Minor, Required Changes, Review Again After Major Changes, Reject (A Major Rewrite Is Required; Encourage Resubmission), Reject (Paper is Seriously Flawed; Do Not Encourage Resubmission.) Besides, the Technical member are asked to give their comments or suggestions. Contact person for queries: Anne Laurent anne.laurent.de@gmail.com