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......

大豆[Glycine max (L.) Merrill]是典型的短日照植物,光周期反应敏感品种在一定的短日-长日条件下可发生开花逆转.本实验室以大豆......

As an important food crop and oil crop, soybean(Glycine max [L.] Merr.) is capable of nitrogen-fixing by root nodule. Pr......