To assess the seasonality of aerosol deposition and anthropogenic effects on central Himalayas, a 1.85-m deep snow pit w......

PM2.5是城市大气的主要污染物,对人体健康危害巨大。研究PM2.5的形貌特征及矿物组成有助于解析PM2.5的来源和贡献及评估PM2.5对人......

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......

Scanning electron microscope-energy dispersive X-ray analysis system (SEM-EDX) is able to provide analytical data for ea......