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The Association of German Engineers (VDI) with almost 150,000 members, of whom more than a third are students and engineers younger than 33 years of age, is one of the biggest technical- scientific associations in Europe. VDI has extended its activities successfully both nationally and internationally over the years and it has been making great efforts to spread knowledge in the areas related to technologies. As a financially independent, politically unclassified and non-profit organization, it is respected by engineers as well as by professionals and the general public.
Determination of particulate anions in ambient air; analysis of chloride, nitrate, and sulfate by ion chromatography using suppressor technique after aerosol sampling on PTFE-filters.
(Messen partikelgebundener Anionen in der Außenluft; Analyse von Chlorid, Nitrat und Sulfat mittels Ionenchromatographie mit Suppressortechnik nach Aerosolabscheidung auf PTFE-Filtern.)
WITHDRAWN published on 1.7.1988
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Determination of particulate anions in ambient air; analysis of chloride, nitrate, and sulphate by ion chromatography using single-column-technique after aerosol sampling on PTFE-filters.
(Messen partikelgebundener Anionen in der Außenluft; Analyse von Chlorid, Nitrat und Sulfat mittels Ionenchromatographie (IC) mit der Einsäulentechnik nach Aerosolabscheidung auf PTFE-Filtern.)
WITHDRAWN published on 1.9.1991
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Steam generator control; fuel and combustion air control system.
(Dampferzeuger-Regelung; Brennstoff- und Verbrennungsluft-Regelung.)
WITHDRAWN published on 1.6.1962
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Steam generator control; fuel and combustion air control; recommendations for ordering.
(Dampferzeuger-Regelung; Brennstoff- und Verbrennungsluft-Regelung; Empfehlungen für die Bestellung.)
WITHDRAWN published on 1.8.1963
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Steam generator control; water level control in drums.
(Dampferzeuger-Regelung; Trommelwasserstand-Regelung.)
WITHDRAWN published on 1.6.1962
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Steam generator control; control for water-gauge drums; recommendations for ordering.
(Dampferzeuger-Regelung; Trommelwasserstand-Regelung; Empfehlungen für die Bestellung.)
WITHDRAWN published on 1.8.1963
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Steam generator control; live steam temperature control.
(Dampferzeuger-Regelung; Frischdampftemperatur-Regelung.)
WITHDRAWN published on 1.6.1962
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Steam generator control; live steam temperature control; recommendations for ordering.
(Dampferzeuger-Regelung; Frischdampftemperatur-Regelung; Empfehlungen für die Bestellung.)
WITHDRAWN published on 1.8.1963
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Steam generator control - Furnace pressure control.
(Dampferzeuger-Regelung - Feuerraumunterdruck-Regelung.)
WITHDRAWN published on 1.6.1989
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Steam generator control; low-pressure control in heating spaces.
(Dampferzeuger Regelung; Feuerraumunterdruck-Regelung.)
WITHDRAWN published on 1.8.1963
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