1. Engineering Research Center for Eco-dyeing and Finishing of Textiles; MOE, Zhejiang Sci-Tech University, and State Key Laboratory of advanced Textiles Materials and Manufacture Technology, MOE, Zhejiang Sci-Tech University; Hangzhou 310018 China
2. School of Environmental Engineering; Anhui University of Architecture; Anhui 230036 China
3. Department of Physics; University of Osnabrueck; 49069 Osnabrueck Germany
4. Wuhan Center for Magnetic Resonance, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics; Wuhan Institute of Physics and Mathematics, the Chinese Academy of Sciences; Wuhan 430071 China