tetrapod相关论文
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......
以四足状纳米ZnO粉末为原料,以制备硼酸铅锌玻璃的氧化物替代硼酸铅锌玻璃直接进行共烧结,制备出了ZnO-硼硅酸铅锌玻璃压敏电阻,并......
本文采用无催化剂直接蒸发高纯Zn粉，在800℃氧气氛条件下，在Si（111）衬底上生长得到以四角状为主的纳米ZnO（T—ZnO）。T—ZnO纳米线每个角......
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利用现代先进的光学和声学测量仪器（ADP、PC．ADP、ADV、OBS等），组制四角架观测系统用于底边界层的水沙观测。此观测系统既可获取垂向流......
Nanometer ZnO particles were synthesized by evaporating of zinc powders of averageparticle size of 370μm studied by XRD......
Comparison of the Effect of Tetrapod Block and Armor X block on Reducing Wave Overtopping in Breakwa
As the Armor shape has a significant effect on the reduction of wave overtopping, this study compares the performance of......
Planar tetrapods ZnO (PTP-ZnO) or cross shaped tetrapod nanostructures were synthesized by a cethyltrimethylamonium hydr......
硬骨鱼类（osteichthyans）是脊椎动物演化的主干，硬骨鱼下分的两大支系，即肉鳍鱼类（lobe—finned fishes）和辐鳍鱼类（ray—finnedfishes）分......
