supported by National Natural Science Fund of China (Grant No. 40972110);the specialized research fund for the doctoral program of Higher Education of China (Grant No. 2006029009);the program for New Century Excellent Talents in Universities and Colleges (Grant No. NCET-07-0801)
The structural change and mineralogy of Al gel during aging time were investigated by using spectroscopy techniques.The results indicated that:1) the aggregation extent of solution-gel system increases with aging time...