prunings相关论文
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......
A litterbag experiment of 12 weeks was conducted to study nitrogen mineralization process of prunings of six nitrogen-fi......
A litterbag experiment of 12 weeks was conducted to study nitrogen mineralization process of prunings of six nitrogen-fi......
研究植物篱枝叶的分解和养分矿化过程对该模式下养分的有效利用具有重要意义.在金沙江干热河谷坡耕地上利用分解袋法对新银合欢、......
