Nitrogen (N), a macronutrient essential for plant growth and development, is needed for biosynthesis of protein and star......

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 male-sterile lines with Ms2 gene were highly evaluated in recurrent selection in wheat (Triticum aestivum L.). Three......