N-doped TiO2 nanoparticle photocatalysts were prepared through a sol-gel procedure using NH4Cl as the nitrogen source and followed by calcination at certain tem
The discrete particle method was used to simulate the distribution of gas holdup in a gas-liquid standard Rushton stirred tank. The gas phase was treated as a l
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥