Vol. 2 No. 2 (2020)
This 2nd Edition in Volume 2 of JESR contains several articles in the field of engineering and applied science research. We appreciate all contributors for public attention, consideration and suggestions regarding the manuscript quality of this issue (December 2020). This issue contains 10 research articles. The research majority in electrical engineering, information engineering, geophysical engineering, chemical engineering and applied physic in material engineering. We hope this issue may contribute to a readers, a significant engineering and scientific knowledge as well as the potential of technology applications. We would like to thanks for a tremendous supports and services from the reviewers and all contributors.