基金项目: | Supported by the National Natural Science Foundation of China (31271837 and 31071518), Specialized Research Fund for the Doctoral Program of Higher Education jointly funded by Ministry of Education (201135151/0010), Special Research Funds from Ministry of Science and Technology (2012GA7200022), Major projects of industries, universities and research in Fujian Province (2013N5003), and Natural Science Foundation of Fujian Province (2011 J0101 ) |