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                             58 gevonden resultaten
nr titel auteur tijdschrift jaar jaarg. afl. pagina('s) type
1 A new approach to the study of productivity phenomena as related to water quality criteria in lakes and reservoirs 1968
 2 1 p. 102-105
4 p.
 artikel
2 Approach to determine the minimum allowable flow in the Tisza River 1968
 2 1 p. 13-16
4 p.
 artikel
3 A stochastic model of marine waste disposal 1968
 2 1 p. 118-122
5 p.
 artikel
4 Avoidance reactions of salmonid fish to representative pollutants 1968
 2 1 p. 23-24
2 p.
 artikel
5 Bacterial and protozoan indicators of water pollution—statistical and experimental approach 1968
 2 1 p. 8-12
5 p.
 artikel
6 Biological systems for the removal of nitrogen and phosphorus from sewage effluents 1968
 2 1 p. 99-100
2 p.
 artikel
7 Calculation of water pollution by surface runoff 1968
 2 1 p. 24-26
3 p.
 artikel
8 Comparison of aerator efficiency under process conditions 1968
 2 1 p. 68-71
4 p.
 artikel
9 Comprehensive water resources studies on the Ara Valley area 1968
 2 1 p. 16-20
5 p.
 artikel
10 Control of the respiratory metabolism of activated sludge and the automatic working of purification plants based on this measurement 1968
 2 1 p. 58-61
4 p.
 artikel
11 Diffuser design for discharge to a stratified recipient 1968
 2 1 p. 136-137
2 p.
 artikel
12 Editorial 1968
 2 1 p. 1-2
2 p.
 artikel
13 Editorial Board 1968
 2 1 p. IFC-
1 p.
 artikel
14 Effects of controlled nutrient dilution of a euthrophic lake 1968
 2 1 p. 106-108
3 p.
 artikel
15 Estuarine water quality and biological population indices 1968
 2 1 p. 128-129
2 p.
 artikel
16 Experimental investigation of the celullolysis in mud 1968
 2 1 p. 129-131
3 p.
 artikel
17 Flocculation by agitator. Observations made and test results achieved in the design stage of the large-scale biological Emscher mouth treatment plant 1968
 2 1 p. 71-72
2 p.
 artikel
18 Fluctuation of effluent quality from activated sludge plants 1968
 2 1 p. 52-53
2 p.
 artikel
19 Fluidization of floes produced in chemical or biological treatment plants 1968
 2 1 p. 74-
1 p.
 artikel
20 Investigations on the control of sphaerotilus sludge 1968
 2 1 p. 78-80
3 p.
 artikel
21 Kinetic aspects of the treatment of phenolic wastes 1968
 2 1 p. 66-
1 p.
 artikel
22 Le plan de protection de la qualité des eaux. Moyen efficacé pour assurer l'utilisation rationelle des eaux dans l'ensemble des bassins hydrographiques 1968
 2 1 p. 4-6
3 p.
 artikel
23 Linear substrate removal in the activated sludge process 1968
 2 1 p. 54-58
5 p.
 artikel
24 Lysis of intestinal and other non-marine micro-organisms by marine bacteria 1968
 2 1 p. 113-115
3 p.
 artikel
25 Metabolism of suspended matter in the activated sludge process 1968
 2 1 p. 53-54
2 p.
 artikel
26 Method for measuring the aerobic activity of activated sludge in an open system 1968
 2 1 p. 47-52
6 p.
 artikel
27 Microbiology of a waste stabilization pond 1968
 2 1 p. 86-89
4 p.
 artikel
28 Modeling of water quality behavior in an estuarial environment 1968
 2 1 p. 122-124
3 p.
 artikel
29 Modified filter media from removal of water pollutants 1968
 2 1 p. 43-45
3 p.
 artikel
30 Nutrient studies in hyperfertilized estuarine ecosystems 1968
 2 1 p. 105-106
2 p.
 artikel
31 On the diffusion phenomena in boundary layers of turbulent flow and its influence on the course of the self-purification of small streams 1968
 2 1 p. 6-8
3 p.
 artikel
32 On the survey and prediction of pollution at the Omuta industrial harbour 1968
 2 1 p. 126-128
3 p.
 artikel
33 Oxygen balance and artificial reaeration of Lake Bladeney and the Lower Ruhr 1968
 2 1 p. 108-110
3 p.
 artikel
34 Physical and biochemical aspects of BOD kinetics 1968
 2 1 p. 30-37
8 p.
 artikel
35 Pilot plant, tests on mechanical and biological treatment of waste waters from kraftcellulose factories 1968
 2 1 p. 63-64
2 p.
 artikel
36 Planning the use of water for cooling purposes in power stations 1968
 2 1 p. 131-136
6 p.
 artikel
37 Present-day aspects of effluent treatment and re-use in the U.S.S.R. metal-working industry 1968
 2 1 p. 66-68
3 p.
 artikel
38 Radiotracer dispersion studies in the vicinity of a sea outfall 1968
 2 1 p. 124-126
3 p.
 artikel
39 Removal of phosphate from sewage by coagulation with ferric iron and aluminum 1968
 2 1 p. 95-
1 p.
 artikel
40 Research on the diffusivity of bacterial pollution in the marine environment—technical studies and results 1968
 2 1 p. 111-113
3 p.
 artikel
41 Statistical characterization of mixtures of hydrocarbons 1968
 2 1 p. 26-
1 p.
 artikel
42 Stream pollution control by some biological laboratory tests 1968
 2 1 p. 95-97
3 p.
 artikel
43 Stream reaeration using molecular oxygen 1968
 2 1 p. 42-43
2 p.
 artikel
44 Studies on natural factors affecting phosphate absorption and its utilization by algae 1968
 2 1 p. 21-23
3 p.
 artikel
45 The classification of water quality from the biological point of view 1968
 2 1 p. 40-42
3 p.
 artikel
46 The course of self-purification process of canalized, highly polluted rivers 1968
 2 1 p. 3-4
2 p.
 artikel
47 The fate of viruses in a marine environment 1968
 2 1 p. 115-118
4 p.
 artikel
48 The importance and application of the natural succession of microbial processes during the anaerobic decomposition of organic compounds in waste waters 1968
 2 1 p. 61-63
3 p.
 artikel
49 The influence of suspended solids on the rate of oxygen transfer in aqueous solutions 1968
 2 1 p. 26-30
5 p.
 artikel
50 The pathways of phosphorus in biological treatment processes 1968
 2 1 p. 97-99
3 p.
 artikel
51 The prediction of the distribution of dissolved oxygen in rivers 1968
 2 1 p. 20-21
2 p.
 artikel
52 The problem of the cytotoxicity of waters 1968
 2 1 p. 45-
1 p.
 artikel
53 The reaction of the bacteria in the presence of products elaborated by marine phytoplankton 1968
 2 1 p. 111-
1 p.
 artikel
54 The sedimentation of activated sludge in final settling tanks 1968
 2 1 p. 80-86
7 p.
 artikel
55 The treatment of sugar refinery waste by a new modification of the activated sludge process 1968
 2 1 p. 90-
1 p.
 artikel
56 The use of a digital simulation system for the modeling and prediction of water quality 1968
 2 1 p. 37-40
4 p.
 artikel
57 Thickening characteristics of activated sludge 1968
 2 1 p. 91-94
4 p.
 artikel
58 Virus removal by adsorption in treatment processes 1968
 2 1 p. 74-78
5 p.
 artikel
                             58 gevonden resultaten
 
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