Authors: Shaopeng Wei Zhiqin Ji
Publish Date: 2016/01/14
Volume: 52, Issue: 1, Pages: 123-124
Abstract
This study was supported in part by the grants of the National Natural Science Foundation of China 31371973 and 31301700 the Natural Science Foundation of Shaanxi Province No 2013JQ3003 and the Fundamental Research Funds for the Central Universities QN2013009
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