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Helsper, Christoph
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Fachbereich Energietechnik
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Determination of the Bipolar Charge Equilibrium in Pure Gases / Wiedensohler, A. ; Weise, W. ; Helsper, C. ; Lütkemeier, E.
(1986)
Helsper, Christoph
;
Wiedensohler, A.
;
Weise, W.
;
Lütkemeier, E.
Determination of Particle Size Distributions by Means of an Electrostatic Classifier / Fißan, H. J.; Helsper, C. ; Thielen, H. J.
(1983)
Helsper, Christoph
;
Fißan, H. J.
;
Thielen, H. J.
Data Inversion by Simplex Minimization for the Electrical Aerosol Analyzer
(1982)
Helsper, Christoph
;
Fißan, H. J.
;
Kapadi, A.
;
Liu, B. Y. H.
Charge Distribution by Unipolar Charging of Small Aerosol Particles / Lütkemeier, E. ; Helsper, C. ; Wiedensohler, A.
(1986)
Helsper, Christoph
;
Lütkemeier, E.
;
Wiedensohler, A.
Characteristics of a Nebulizer with Cyclone Preseparator / Mölter, W. ; Helsper, C.
(1991)
Helsper, Christoph
;
Mölter, W.
Calibration of the Polytec HC-15 and HC-70 Optical Particle Counters / Fißan, H. J. ; Helsper, C.
(1983)
Helsper, Christoph
;
Fißan, H. J.
Calibration of Optical Particle Counters with Respect to Particle Size / Fißan, H. J. ; Helsper, C.; Kasper, W.
(1984)
Helsper, Christoph
;
Fißan, H. J.
;
Kasper, W.
Application of a Multistep Condensation Nuclei Counter as a Detector for Particle Surface Composition / Nießner, R.; Helsper, C.; Rönicke, G.
(1984)
Helsper, Christoph
;
Nießner, R.
;
Rönicke, G.
Application of a Multistep Condensation Nuclei Counter as a Detector for Particle Surface Composition / Nießner, R. ; Helsper, C.
(1985)
Helsper, Christoph
;
Nießner, R.
21
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29