Open Access



This journal is a peer reviewed, open access journal owned by KeAi. KeAi retains copyright of the overall compiled journal and the compiled issues. The article is universally and freely accessible via the internet in perpetuity, in an easily readable format immediately after publication.

To provide open access, this journal has an open access fee (also known as an Article Processing Charge, APC) which needs to be paid by the authors or on their behalf e.g. by their research funder or institution. The open access publication fee for this journal is USD 700, plus taxes. All APCs for articles submitted to the journal before the 31st December, 2024 will be fully waived. Publishing costs will be covered by KeAi.

Peer review under the responsibility of Editorial Office of KeAi Communications Co., Ltd.

Access Rights
All articles published open access will be immediately and permanently free for everyone to read, download, copy and distribute.

User Rights
Permitted third party reuse is defined by the following user license(s):

Creative Commons Attribution (CC BY):
Allows users to copy, to create extracts, abstracts and new works from the Article, to alter and revise the Article and to make commercial use of the Article (including reuse and/or resale of the Article by commercial entities), provided the user gives appropriate credit (with a link to the formal publication through the relevant DOI), provides a link to the license, indicates if changes were made and the licensor is not represented as endorsing the use made of the work. The full details of the license are available at https://creativecommons.org/licenses/by-nc-nd/4.0/.

Creative Commons Attribution-NonCommercial-NoDerivs (CC BY-NC-ND):
Allows users to copy and distribute the Article, provided this is not done for commercial purposes and further does not permit distribution of the Article if it is changed or edited in any way, and provided the user gives appropriate credit (with a link to the formal publication through the relevant DOI), provides a link to the license, and that the licensor is not represented as endorsing the use made of the work. The full details of the license are available at https://creativecommons.org/licenses/by-nc-nd/4.0/.

Author Rights
For open access publishing this journal uses an exclusive licensing agreement. Authors will retain copyright alongside scholarly usage rights and KeAi Communications Co., Ltd. will be granted publishing and distribution rights.

Publishing Schedule
This journal is published continuously per year.

Contact Details
Ms. Huan Guo
Email: huanguo@keaipublishing.com
Phone: +86-01-64015921
Address: 16 Donghuangchenggen North Street, Beijing, China

Learn More about:
  1. Publishing open access with Elsevier
  2. Open access license policy
  3. Copyright
  4. Policies

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