XRD, SEM, TEM and the nitrogen adsorption tests are used to characterize the composite nano-water-purifying material.
利用XRD、SEM、TEM及氮吸附等多种测试手段对所制得的复合纳米净水材料进行表征。
The tourmaline with great spontaneous polarity can purify water and air. So it can be used in building decorating material, purifying water materials and cleaning air materials.
自发极化强度大的电气石具有净化空气和水的作用，在环保建筑装饰材料、净化水和空气材料中有很大的应用价值。
The mechanism for purifying drinking water with a new RE functional material prepared by atomization methods is introduced.
介绍了采用雾化法制备新型稀土功能材料的组成和在水中的净化机理。
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