The amount of BSM adsorption on the tested samples was different. 两种除草剂在两种供试样品中的吸附量均有差别。
The results indicate that the modification by heating and acids could not significantly increase the adsorption capacity of the modified stellerite for ammonia nitrogen. 结果表明，加热改性与无机酸改性不能显著提高沸石对氨氮的吸附量。
