Determination of Si,Fe,Zn,Cu,Mn,Ti and Mg elements in aluminum-silicon alloy(铝硅合金中硅、铁、锌、铜、锰、钛、镁等元素的同时测定) von WUJian-zhi(吴建之)

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Relationship between elements in the absorption and purification(富营养化水体中植物的元素吸收与净化能力的关系) von GUANBao-hua(关保华), GEYing(葛滢), CHANGJie(常杰), NIUXiao-yin(牛晓音), WANGXiao-yue(王晓月), XUQing-shan(徐青山), WUJian-zhi(吴建之)

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