作者单位:
Lanzhou Univ Technol, Dept Appl Phys, Lanzhou 730050, Gansu, Peoples R China
[1]
Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Gansu, Peoples R China
[2]
Lanzhou City Univ, Dept Phys, Lanzhou 730070, Gansu, Peoples R China
[3]
Northwest Normal Univ, Coll Phys & Elect Engn, Lanzhou 730070, Gansu, Peoples R China
[4]
发布时间
2019-08-01