The exposed calcareous rocky area of the Abu Qir Headland,east of Alexandria,Egypt which range from coarse grains,throug......

综述了搅拌对厌氧消化过程的影响。通过比较，分析目前沼气工程中应用的3种机械搅拌方式，针对秸秆厌氧消化过程中易发生布料不均匀、......

为清除燃煤电厂输灰管内的灰垢，进行了１：１模型试验。研究结果表明，将黑索金和硝铵炸药按一定比例混合，采用管外贴壁装药的控制爆破方法，可......

为了探讨文物岩石材料劣化结垢病害的特征和形成机理,以洛阳龙门石窟和北京西黄寺清净化城塔塔基砂岩条石为研究对象,采用全岩化学......

甘蓝、青花菜、青菜种子经厚膜包衣后,种子重量可以增加15%～50%,体积增大0.5～1.0倍,种子的发芽率、发芽势和发芽指数均可以提高,其中......

The exposed calcareous rocky area of the Abu Qir Headland,east of Alexandria,Egypt which range from coarse grains,throug......

Several studies argue that an ideal biomaterial for urinary catheters is utopian. Based in literature review it seems to......