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......

Flixweed seeds were collected from suspected winter wheat fields and remote hillside in Shaanxi Province,China,their sen......

Study on relative sensitivity of maize (Zea mays L. ) Nongda108 and Nongda3138 to sulfonylurea herbicide chlorsulfuron a......

通过苯磺隆、唑嘧磺草胺、精喹禾灵和烟嘧磺隆4种化学药物对甘蓝型油菜骨干自交系99-35和09QB48-54在成都地区的杀雄效果研究表明:......

本文采用高效液相色谱法,使用反相色谱柱(Kromasil C18),甲醇+水(pH值8～10)为流动相,用紫外检测器在240nm处定量检测唑草.苯磺隆24%......