燃料电池已经成为一种高能量密度的清洁型燃料。在整个燃料电池体系中,金属催化剂通常会占据总成本的很大比例,而作为氧化还原反应......

To study the changes of soil fertility of the shelter-forest land along the Tarim Desert Highway, soils from the forest ......

Based on research concerning dynamic relationships of winter wheat growth to environments and production conditions, a ......

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......

The effects of mineral admixtures on fluidity,mechanical and hydrational exothermic behavior were studied.The results sh......

介绍了现代住区景观环境的特征，对现代住区景观设计中存在的主要问题进行了分析，提出了现代住区的景观设计理念、手法及要点，并对此做......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

The Monte Carlo method was employed to simulate diffusion and reaction processes within three-dimensional porous catalys......