Alum has clearly discernible regional differences based on the limits of natural conditions 由于自然条件的限制，农地利用模式具有明显的地域差异性。
Alum was used to precipitate dirt suspension so that filthy water could be made reasonably clean for re - use 利用明矾将污水中的污物沉淀，将污水再用。
Reducing runoff loss of phosphorus and heavy metals from agricultural fields applied with alum - treated manure 粪肥添加明矾对降低农田磷和重金属流失的作用
When we put a small piece of alum into muddy water , we can see the alum can soon make the water clear 把一小块明矾放入混沌的水中，我们发现，水很快就澄清了。
Cruller : in the cruller potassium alum , is contains the aluminum the inorganic substance , may not frequently edible 油条：油条中的明矾，是含铝的无机物，不可经常食用。
Tap water disinfect system , alum adding system , new sewage disposing technology , monitor system optimize configure 自来水系统，加矾系统，污水处理新技术，监测系统的优化配置。
Alum root is directly involved in the new systems , such as the joy hormonal system development in ascending forms 珊瑚草与新系统直接相关，比如提升形体中的欢乐荷尔蒙系统的发展。
To make a sapphire crystal , the basic material used is a salt cleansed from any foreign body ( ammoniacal alum ) 蓝宝石水晶玻璃的主要原料是一种经过洗涤后除去了所有异物的盐（氨明矾） 。
Alum from the land reform to crsrlo reflected self - sufficiency agri - culture and after crsrlo it has reflected export - oriented agri - culture 包产到户以后的农地利用属于外向型的农耕文化类型。
