Eye movement influencing method involves moving viewing windows in synchronism over predetermined paths, movement processes over surfaces of viewing stops using program controller
DE19617707A1
Waste water analysis assembly
DE19544851A1
Floating mini-laboratory for fluids analysis
DE19538180A1
Method and device for determining the biological oxygen demand of waste water
DE4344441C1
Method and device for the continuous determination of the content of oxidizable ingredients in aqueous liquids
DE4220897A1
Separating device for separating an analysis sample stream from waste water
DE3827578A1
METHOD AND DEVICE FOR DETERMINING OXIDIZABLE WATER INGREDIENTS OF AN AQUEOUS SAMPLING LIQUID
DE3827577A1
Electrochemical method for determining oxidisable water constituents of an aqueous test liquid by means of anodic oxidation
DE3818906A1
Process and apparatus for measurement of the toxicity of aqueous solutions, in particular wastewater
DE3405234A1
Process and device for cleaning a diaphragm round which a medium flows
DE3221966A1
Methods and devices for measuring the biologically active sludge content in aqueous solutions, e.g. activated sludge
AU7722681A
**
DE3038305A1
METHOD AND DEVICE FOR DETECTING BIODEGRADABLE AND TOXIC INGREDIENTS AND AQUEOUS SOLUTIONS, e.g. SEWAGE
DE3017439A1
Biological waste water purificn. - with addn. of density-controlled open hollow bodies allowing abrasion-protected bacterial growth
