Tungsten oxide(WO3) nanorods, which were used to load platinum(Pt) nanoparticles, were investigated. H2WO4 nanorods with......

A unique Rh/TiO_2 solid acid catalyst modified with H_2SO_4 was synthesized and evaluated in the esterification reaction......

The formulas for calculating bending-resistant capacity of a steel plate-reinforced concrete composite beam are derived.......

介绍了装载机动臂使用焊接机器人的策划过程及效果。对动臂的四角圆弧矩形焊缝在三维空间的焊接进行试验,验证焊接机器人的智能软......

在AOT/异辛烷反胶束体系中制备了粒径为2 ～5 nm的单分散球形TiO2纳米粒子, 用TEM, DSC和XRD等手段对其进行了分析; 用浸渍法以小孔......