A magic fountain， twin pagodas， and a legacy of imperial might—all in a third-tier city　　这座看似平凡的古城之中，　　有难......

采用油酸／正丁醇／NaOH溶液制备了Fe3O4负载纳米TiO2．用微乳体系制备出纳米二氧化钛前驱体，然后由表面活性剂稳定和保护的纳米粒子在氢......

纳米TiO2是一种高效的光催化剂，而光催化剂的制备和固化是光催化技术应用的关键。采用油酸，正丁醇，NaOH溶液制备了纳米TiO2／活性炭复合......

【正】 More than a decade has passed since the Soviet Union col-lapsed.The Cold War has ended,but history marches forwar......