1. China Embassy in Singapore 4. With Mr David Edens of American Pacific Corporation, USA 2. With China Embassy  3. TPR Group-Mechanical Engineering Department, National University of Singapore   5. Fractal Group-School of Physics, Huazhong University of Science & Technology  6. Oral defense for doctor degree  7. 9th Seepage Conference in Xi'an  8. With Dr. Hameed Bhombal and Dr. Prashant Puri from India, Sep 8, 2008.  |