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Resultados 1501-1510 de 62,084
Analysis of non-point pollution export from small catchments [Runoff, Occoquan and Four-Mile Run basins, in northern Virginia].
1980
Griffin D.M. Jr. | Grizzard T.J. | Randall C.W. | Helsel D.R. | Hartigan J.P.
Agricultural runoff during a drought period [Dee Creek watershed, Nebraska].
1980
Schepers J.S. | Vavricka E.J. | Andersen D.R. | Wittmuss H.D. | Schuman G.E.
Experience with belt filter presses in the pulp and paper industry [Sludge handling practices].
1980
Miner R.
Bacteriological monitoring of pollution in shellfish: methodological evaluation.
1980
Volterra L. | Aulicino F.A. | Tosti E. | Zicarelli M.
This paper compares three different methods to determine faecal pollution in shellfish. Two of these are related to MPN (Most Probable Number) technique and the last one is a direct count. The different results which may be obtained using these different techniques are shown. The relevance that introduction of the intervalve water may have on the bacterial titres in shellfish is presented. The shellfish utilized in this work came from two location situated in the same bay. Simultaneous analyses on flesh, intervalve water and shellfish growing water show the different microbial titre that these three elements may have at the same time.
Mostrar más [+] Menos [-]Effects of agrochemicals on weather and climate.
1979
Wang J.Y.
Multiple-purpose projects: stretching the federal dollar [Water pollution control, Clean Water Act of 1977 (Public Law 95-217), USA].
1979
Feliciano D.V.
Coagulation/flocculation of beet sugar wastewater.
1979
Leentvaar J. | Koppers H.M.M. | Buning W.G.W.
Water reclamation and reuse [in industry, irrigation].
1979
Smith D.W.
Marine and estuarine pollution [Pesticides, toxicity, fishes].
1979
Reish D. | Rossi S.S. | Mearns A.J. | Oshida P.S. | Wilkes F.G.
Bioaccumulation and toxicity of heavy metals and related trace elements [Aquatic flora, fishes, birds].
1979
Leland H.V. | Luoma S.N. | Fielden J.M.
