四川省教育厅项目08ZA002;四川省科技计划项目2010JY0093;宜宾市科技局项目2011ZSF008;四川省高校重点实验室项目2012KFZ001[Supported by Sichuan Program of Education Office08ZA002; Sichuan Planning Program of Science and Technology2010JY0093;Yibin City Program of Science and Technology Bureau2011ZSF008;Key Laboratory of Sichuan Colleges and Universities2012KFZ001]。