| 1. | In this dissertation , the synthesized conditions , such as the initial concentration of ti4 + , the initial acidity , the reactive temperature and the reactive time , have been studied with their effects on the photochemical activity of the product and the four preparation methods have been compared and optimized 并分别实验研究了钛液起始浓度、反应液起始酸度、反应温度、反应时间等实验条件对产品光化活性的影响,并对各制备方法进行实验条件优化和优劣比较。 |