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ALTERATIONS IN PROTEIN METABOLISM OF MUSCLE TISSUE IN THE FISH "CLARIAS BATRACHUS" (LINN) BY COMMERCIAL GRADE DIMETHOATE
WASTE WATER CHARGES IN THE EUROPEAN UNION
THE IMPACT OF SEWAGE SLUDGE EXPOSURE ON THE REPRODUCTION OF THE SAND GOBY, "POMATOSCHISTUS MINUTUS"
LA ZONE D'INFILTRATION DES AQUIFERES KARSTIQUES. METHODES D'ETUDE. STRUCTURE ET FONCTIONNEMENT
GROWTH OF CORN ("ZEA MAYS") AND SUNFLOWER ("HELIANTHUS ANNUUS") PLANTS IS AFFECTED BY WATER AND SLUDGE FROM A SEWAGE TREATMENT PLANT
A STUDY OF ANALYSIS ERRORS CAUSED BY NITRITE AND FREE AVAILABLE CHLORINE DURING IODOMETRIC TITRATION OF TOTAL RESIDUAL CHLORINE IN WASTEWATER
PHOTOCHEMICAL DEGRADATION OF HYDROPHILIC XENOBIOTICS IN THE UV/H2O2-PROCESS- . INFLUENCE OF HUMIC MATTER ON THE DEGRADATION RATE OF 2-AMINO-1-NAPHTHALEN- ESULFONATE RATE OF 2-AMINO-1-NAPHTHALENESULFONATE AND ETHYLENEDIAMINETETRAA- CETATE
DIE ZUKUNFTIGE EUROPAISCHE RICHTLINIE "TRINKWASSER"
THE DISTRIBUTION OF DIATOMS NEAR A THERMAL BAR IN LAKE BAIKAL
CHANGES IN BACTERIAL AEROSOLS WITH HEIGHT ABOVE AERATION TANKS