The chemical characteristics,element contents,mineral compositions,and the ameliorative effects on acid soils of five bi......

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......

Amelioration of saline-sodic soils through land preparation with three tillage implements (disc plow, rotavator and cult......

The knowledge on the pathogenetic mechanisms of bronchopulmonary dysplasia (BPD) has increased considerably over recent ......

It is imperative to choose some low cost,available and effective ameliorants to correct soil acidity in southern China f......