..............page:163-166
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..............page:176-179
..............page:159-162
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..............page:152-155
Determination of Protein by Morin-Al(Ⅲ) Complex
qiao shuang1; ma yan1; cao wei1; 2; yang jing-he2(1.school of chemistry and chemical engineering; university of jinan; jinan 250022; china; 2.school of chemistry and chemical engineering; shandong university; jinan 250014; china)
..............page:144-147
..............page:167-171
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..............page:111-114
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..............page:216-220
..............page:156-158
..............page:135-138
..............page:172-175
Evaluation of Eutrophic Levels in Nansi Lakes and Analysis of Causes
li yan-hong1; yang li-yuan1; liu en-feng2; guo de-wei3(1.school of resources and environment; university of jinan; jinan 250022; china; 2.nanjing institute of geography and limnology; chinese academy of sciences; nanjing 210008; china; 3.jining bureau of water conservancy; jining 272119; china)
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