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万方数据
中国环境科学2010,30(5):7
第 26 卷 第 5 期
《ZnO粉体的制备及在光催化法处理造纸废水中的应用》将浓度为的ZnSO4溶液加热至7080℃搅拌下慢慢滴(NH3)∶V(H2O)=1∶1的NH3·H2O使之生成Zn(OH)2胶体搅拌陈化将配制好的(NH4)2CO3( molL)溶液加入到Zn(OH)2胶体中并不断搅拌滴加完后继续搅拌反应过滤用去离子水洗涤至无SO42-将滤饼于100℃下烘干即得到前驱体将前驱体置于马弗炉中以2℃min的升温速率
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A: Hi where did you go yesterdayB: I went to the zoo. Why Did you call meA: Yes I did. I wanted you to go to see a film with : Thats too bad. But I had a good time at the : Did you see a lot of animal
第43卷第1期
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