国家自然科学基金No.41573075;福建省自然科学基金No.2014J01154;福建省环保厅项目No.2015R017Supported by the National Natural Science Foundation of ChinaNo.41573075,the Natural Science Foundation of Fujian ProvinceNo.2014J01154and the Project of Department of Environmental Protection of Fujian ProvinceNo.2015R017