Aihe-ehdotuksia
Aihe-ehdotuksia
Water quality
61
Water quality management
43
Water
23
Water pollution
15
Watershed management
13
Water resources development
12
Water treatment
11
Water-supply
11
Drinking water
9
Hydrology
9
Water Quality
8
Land use
7
Resources economics
7
Water Resources
7
Water management
7
Water quality bioassay
7
Fish culture in freshwater
6
Pollution and Degradation
6
Water chemistry
6
Water supply
6
Water treatment-- Purification
6
Dissertations, Academic (Ph.D)
5
Environmental chemistry
5
Environmental impact
5
Sustainable development
5
Water analysis
5
Agriculture
4
Air pollution
4
Air quality
4
Conservation of natural resources
4
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6Tekijä Bartram, Jamie; Ed. Ballance, Richard; EdAiheet: “...Water quality -- Measurement---- Water -- Analysis. 66650...”
Julkaistu 1996
Hae kokoteksti
Printed Book -
7Aiheet: “...Water quality Monitoring 138116...”
Printed Book -
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9Tekijä Gray, N. F.Aiheet: “...Water quality Great Britain....”
Julkaistu 2008
Hae kokoteksti
Hae kokoteksti
Hae kokoteksti
Printed Book -
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12Tekijä Waite, Thomas D.Aiheet: “...Water quality- microorganisms Toaxic materials of water quality Water quality- Toxic materials...”
Julkaistu 1984
Printed Book -
13
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15Tekijä Manivanan, RAiheet: “...Water quality - computer simulation Environmental hydraulics Water bodies - modeling...”
Julkaistu 2008
Printed Book -
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