Zobrazeno 1 - 10 of 99 pro vyhledávání: '"Henrik B Pedersen"'
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Akademický článek
Sorption of PCBs to environmental plastic pollution in the North Atlantic Ocean: Importance of size and polymer type
Autor: Kristian Syberg, Camilla M.H. Knudsen, Zhanna Tairova, Farhan R. Khan, Yvonne Shashoua, Torsten Geertz, Henrik B. Pedersen, Claudia Sick, John Mortensen, Jakob Strand, Annemette Palmqvist
Publikováno v: Case Studies in Chemical and Environmental Engineering, Vol 2, Iss , Pp 100062- (2020)
Plastic pollution is a great threat to the marine environment. Owing to its low density, a substantial fraction of plastic debris is transported across ocean surfaces by currents. Consequently, plastic debris has been concentrated in oceanic gyres su
Externí odkaz: https://doaj.org/article/4a0fa71300614b2485dd78c6fe3d374f
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An electron–ion coincidence spectrometer for commissioning of a synchrotron radiation beamline: Absolute photon intensity and content of higher harmonic radiation
Autor: Henrik B. Pedersen, Sofie J. Lanng, Björn Bastian, Lasse S. Harbo, Søren V. Hoffmann, Nykola C. Jones, Marcel Mudrich, Torsten A. Nielsen, Annette Svendsen, Ricky Teiwes
Publikováno v: Pedersen, H B, Lanng, S J, Bastian, B, Harbo, L S, Hoffmann, S V, Jones, N C, Mudrich, M, Nielsen, T A, Svendsen, A & Teiwes, R 2023, ' An electron–ion coincidence spectrometer for commissioning of a synchrotron radiation beamline: Absolute photon intensity and content of higher harmonic radiation ', Review of Scientific Instruments, vol. 94, 053102 . https://doi.org/10.1063/5.0147173
We describe the commissioning of a new electron–ion coincidence spectrometer used to diagnose the photon beam from a plane grating monochromator beamline at the ASTRID2 synchrotron radiation facility. The spectrometer allows determination of the ab
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::46f914224fe65d9cd4221f926fce8bc8
https://pure.au.dk/ws/files/320713129/RSI23_AR_00295.pdf
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3
Factor analysis of chemical ionization experiments: Numerical simulations and an experimental case study of the ozonolysis of α-pinene using a PTR-ToF-MS
Autor: Marianne Glasius, Ricky Teiwes, Henrik B. Pedersen, Kasper Kristensen, Merete Bilde, Bernadette Rosati, Rossana Bossi, Henrik Skov
Publikováno v: Atmospheric Environment. 199:15-31
In this study we examine the application of a factor analysis technique for datasets recorded by the chemical ionization instrument Proton Transfer Reaction - Time-of-Flight - Mass Spectrometer (PTR-ToF-MS). Numerical simulations were carried out to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::20ad6ed4c645be630491af5e6a8fedb8
https://doi.org/10.1016/j.atmosenv.2018.11.012
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The reaction of isotope-substituted hydrated iodide I(HO)
Autor: Henrik B, Pedersen, Jonas, Elm, Christian H, Frederiksen, Simon P S, Jessen, Ricky, Teiwes, Merete, Bilde
Publikováno v: Physical chemistry chemical physics : PCCP. 22(34)
We report an investigation of the reaction of isotope-substituted hydrated iodide I(HO)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::b871a73e96050d068e887b43ff8d3cad
https://pubmed.ncbi.nlm.nih.gov/32814937
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Temperature and VOC concentration as controlling factors for chemical composition of alpha-pinene derived secondary organic aerosol
Autor: Mikael Ehn, Merete Bilde, Ricky Teiwes, Kasper Kristensen, Henrik B. Pedersen, Louise N. Jensen, Lauriane L. J. Quéléver, Marianne Glasius, Bernadette Rosati, Manjula R. Canagaratna
This work investigates the individual and combined effects of temperature and volatile organic compound precursor concentration on the chemical composition of particles formed in the dark ozonolysis of α-pinene. All experiments were conducted in a 5
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ae5903c0e68b976f394b4dc2ba9bd98
https://www.atmos-chem-phys-discuss.net/acp-2020-100/
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9
An experimental system for studying the plane pendulum in physics laboratory teaching
Autor: Henrik B. Pedersen, Frank K Mikkelsen, Jens Jacob Iversen, John E V Andersen, Torsten G Nielsen, Folmer Lyckegaard
Publikováno v: Pedersen, H B, Andersen, J E V, Nielsen, T G, Iversen, J J, Lyckegaard, F & Mikkelsen, F K 2020, ' An experimental system for studying the plane pendulum in physics laboratory teaching ', European Journal of Physics, vol. 41, no. 1, 015701 . https://doi.org/10.1088/1361-6404/ab4b29
We describe a new physical pendulum setup, and our experience from using it in a course on experimental physics at Aarhus University. The setup is mechanically relatively simple, robust, and involves a new intuitive scheme for accurately measuring th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::14b700e561e72916301e69c5d94e60bf
https://pure.au.dk/portal/da/publications/an-experimental-system-for-studying-the-plane-pendulum-in-physics-laboratory-teaching(f2e337e3-c4c0-4e5f-9cd3-25ef0ffbde8c).html
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10
Reply to the 'Comment on 'Atmospheric chemistry of iodine anions: elementary reactions of I
Autor: Ricky, Teiwes, Jonas, Elm, Merete, Bilde, Henrik B, Pedersen
Publikováno v: Physical chemistry chemical physics : PCCP. 21(40)
We reply to the comment by Dieter Britz on two recent papers in Physical Chemistry Chemical Physics. The comment presents a valuable, however, less flexible, alternative to the analysis performed in these papers and as such has no impact on any of th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::7bb56ea1653f0d26a1c756a802aab93d
https://pubmed.ncbi.nlm.nih.gov/31573018
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