Biophysics Group;
Institute of Modern Physics;
Chinese Academy of Sciences;
509 Nanchang Road;
Lanzhou 730000;
China;
University of Chinese Academy of Sciences;
Beijing 100049;
China;
Ningxia Academy of Agriculture and Forestry Sciences;
590West Huanghe;
Yinchuan 750002;
China;
Gansu Agricultural University;
No. 1 Yingmen Village;
Anning District;
Lanzhou 730070;
China;