8Fujishima A , Honda K. Electrochemical photoeatalysis of water at a semiconductor electrode[J]. Nature, 1972, 238(5358): 37-38.
9T Kobayashi, M Kagata, T Kodama, Development of the environment- friendly hybrid permeable concrete pavement [J], Transactions of the Japan Concrete Institute, 2002,Vol.23:65- 76.
10Jeng-Ywan Shih, Ta-Peng Chang, Tien-Chin Hsiao. Effect of nanosilica on characterization of Portland cement composite, Materials Scienee and Engineering A 424 (2006): 266 - 274.