Analysis of components fatigue crack propagation under different stress ratio r;
应力比r对构件疲劳裂纹扩展的影响分析
Preparation of novel nano TiO_ 2 catalyst doped with upconversion luminescence agent and investigation on degradation of reactive deep blue KN-R dyestuff using visible light;
上转光剂掺杂新型纳米TiO_2催化剂的制备及利用可见光降解反应艳蓝KN-R染料的研究