Following the previous call for the 8th clean energy conference at Noshirvani University of Technology, Babol, and according to the request of some dear researchers to present articles virtually due to some difficulties in attending the conference, the conference organizing committee announces that it is possible to present a limited number of articles virtually. . In order to do this, interested parties are invited to select the virtual option in the section on how to present articles, and by sending a ticket in their user profile, they can inform the scientific committee of the conference about their valid reason for virtual presentation, so that after reviewing the results, the researchers will be informed. be declared dear