出处
《材料科学与工程(中英文版)》
2008年第4期48-52,57,共6页
Journal of Materials Science and Engineering
基金
Acknowledgements: This work was supported by the National Natural Science Foundation of China (No. 29875018), the Natural Science Foundation of Gansu Province (No. 3ZS051-A25-050), Science and Technology Tackle Key Problem Item of (No. 2GS064-A52-036-08), Gansu Key Laboratory of Polymer Materials (No. ZD-04-14) and Environmental Protection Foundation of Gansu (No. GH2005-10).