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......

Many rice spotted-leaf (spl) mutants are ideal sources for understanding the mechanisms involved in blast resistance,bac......

A rice spotted-leaf mutant was isolated from an ethane methyl sulfonate (EMS) -induced IR64 mutant bank.The mutant,desig......