竹质弹性背板是用南方盛产毛竹作原料,经劈片、干燥、浸胶、热压等工序制成,其单块承载可达3.4kN,挠度152mm,卸载后可复原,弹性功能好,不易腐烂,寿命为木背板的3倍以上,适用
近日,区档案馆党支部组织全体党员干部走进“红色背篓精神”发源地黄山店村,开展了“重走背篓路·寻访红色记忆·传承红色基因”主题教育活动。党员干部们走进“红色
Nanoparticles of Fe-Co alloys and their oxides with the particle size below 20 nm were prepared by chemical vapor condensation process. The pure Ar, Ar+1%O2, Ar
<正> 第一章总则第一条为加强进口旧机电产品的检验监督管理,保障人身和财产安全,保护环境,防止欺诈行为,根据《中华人民共和国进出口商品检验法》及其实施条例以及中华人民
斜井断面13.1m~2,斜长757m,穿过表土含水层93.5m。采用深水泵井点降水,超前小井排水,大揭盖明槽开挖,明、暗槽交界处采用止水垫和密集圆钢超前顶棚支护施工法。
Shear strength and shear-induced Hertzian contact damage in Ti3SiC2 were investigated using double-notched-beamspecimen and steel spherical indenter, respective