Zhang, Li
Qin, Dezhi
Yang, Guangrui
Du, Xian
Zhang, Qiuxia
Li, Feng
Funding for this research was provided by:
the Key Project of Henan Province Higher Educational Science and Technology Program (15A150070)
the Nature Science Foundation of Pingdingshan University (PDSU-QNJJ-2013003)
The Key Project of Henan Province Higher Educational Science and Technology Program (15A150070)
The Nature Science Foundation of Pingdingshan University (PDSU-QNJJ-2013003)