厦门市科技计划项目3502Z20124004;福建省自然科学基金项目2012J01146;科技部科技基础性工作专项2013FY11310@@@@ Supported by the Xiamen City Science and Technology Project3502Z20124004;Natural Science Foundation of Fujian Province2012J01146;the Special Program for Basic Work of the Ministry of Science and Technology2013FY11310