Ole John Nielsen

Research output

Research output per year 1977 1992 1993 1994 1995 1996 1998 2002 2003 2008 2009 2010 2019

• 254 Journal article
• 5 Comment/debate
• 3 Report chapter
• 2 Letter
• 6 More
  • 1 Book chapter
  • 1 Article in proceedings
  • 1 Paper
  • 1 Contribution to newspaper - Feature article
  • 1 Contribution to newspaper - Newspaper article
  • 1 Review

Research output per year

Research output per year

Search results

• 1990

  Reactions of OH radicals with alkyl nitrates

  Nielsen, O. J., Donlon, M., Sidebottom, H. W. & Treacy, J. J., 1 Jan 1990, In: Chemical Physics Letters. p. 309-314 6 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • nitrates 100%
  • Nitrate 67%
  • Rate Constant 58%
  • Pressure 34%
  • Chlorine Atom 31%

• The gas phase reactions of hydroxyl radicals with a series of nitroalkanes over the temperature range 240-400 K

  Liu, R., Huie, R. E., Kurylo, M. J. & Nielsen, O. J., 13 Apr 1990, In: Chemical Physics Letters. 167, 6, p. 519-523 5 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • nitropropane 100%
  • nitromethane 78%
  • Nitroalkane 72%
  • hydroxyl radicals 71%
  • 1-Nitropropane 44%
  15 Citations (Scopus)

• Ultraviolet absorption spectra and kinetics of acetonyl and acetonylperoxy radicals

  Cox, R. A., Munk, J., Nielsen, O. J., Pagsberg, P. & Ratajczak, E., 5 Oct 1990, In: Chemical Physics Letters. 173, 2-3, p. 206-210 5 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • ultraviolet absorption 100%
  • Absorption Cross-Section 98%
  • ultraviolet spectra 95%
  • Radiolysis 82%
  • absorption spectra 58%
  38 Citations (Scopus)
• 1989

  An absolute and relative rate study of the reaction of oh radicals with dimethyl sulfide

  Nielsen, O. J., Sidebottom, H. W., Nelson, L., Treacy, J. J. & O'farrell, D. J., 1 Jan 1989, In: International Journal of Chemical Kinetics. 21, 12, p. 1101-1112 12 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • dimethyl sulfide 100%
  • Dimethyl Sulfide 74%
  • sulfides 59%
  • Pulse Radiolysis 56%
  • Kinetics 41%
  25 Citations (Scopus)

• Rate constants for the gas-phase reactions of OH radicals and Cl atoms with CH₃CH₂NO₂, CH₃CH₂CH₂NO₂, CH₃CH₂CH₂CH₂NO₂, and CH₃CH₂CH₂CH₂CH₂NO₂

  Nielsen, O. J., Sidebottom, H. W., O'Farrell, D. J., Donlon, M. & Treacy, J., 7 Apr 1989, In: Chemical Physics Letters. 156, 4, p. 312-318 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • vapor phases 100%
  • Rate Constant 82%
  • Radiolysis 65%
  • atoms 63%
  • Spectroscopy 40%
  18 Citations (Scopus)

• The influence of complexation on radionuclide migration: A theoretical study

  Carlsen, L., Nielsen, O. J. & Bo, P., 1 Jan 1989, In: Waste Management. 9, 3, p. 165-169 5 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • radionuclide migration 100%
  • complexation 75%
  • theoretical study 72%
  • metal 41%
  • ion 33%
  4 Citations (Scopus)
• 1988

  Absolute and relative rate constants for the gas-phase reaction of OH radicals with CH₃NO₂, CD₃NO₂ and CH₃CH₂CH₃ at 295 K and 1 ATM

  Nielsen, O. J., Sidebottom, H. W., O'Farrell, D. J., Donlon, M. & Treacy, J., 6 May 1988, In: Chemical Physics Letters. 146, 3-4, p. 197-203 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • asynchronous transfer mode 100%
  • nitromethane 98%
  • Nitromethane 79%
  • Radiolysis 71%
  • Nitrite 66%
  15 Citations (Scopus)
• 1987

  SO₂ pressure broadening and frequency shifting of H₂O absorption lines in the infrared region

  Nicolaisen, F. M. & Nielsen, O. J., 10 Dec 1987, In: Molecular Physics. 62, 5, p. 1111-1177 67 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • pressure broadening 100%
  • Fourier Transform Infrared Spectroscopy 83%
  • Vibration 81%
  • vibration 48%
  • Pressure 47%
  2 Citations (Scopus)
• 1986

  Absolute rate constants for the gas-phase reaction of OH radicals with cyclohexane and ethane at 295 K

  Nielsen, O. J., Munk, J., Pagsberg, P. & Sillesen, A., 18 Jul 1986, In: Chemical Physics Letters. 128, 2, p. 168-171 4 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • ethane 100%
  • cyclohexane 99%
  • Ethane 77%
  • Cyclohexane 76%
  • vapor phases 67%
  12 Citations (Scopus)
• 1982

  H atom yields in the pulse radiolysis of H2: Reactions with O2, CINO, and HI

  Nielsen, O. J., Sillesen, A., Luther, K. & Troe, J., 1 Dec 1982, In: Journal of Physical Chemistry. 86, 15, p. 2929-2935 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Radiolysis 100%
  • radiolysis 72%
  • Atoms 62%
  • Hydrogen 47%
  • G Value 40%
  5 Citations (Scopus)
• 1979

  Infrared spectra of nitrosyl cyanide and 8 isotopically substituted species. A general harmonic force field determined from experimental data and ab initio calculations

  Bak, B., Nicolaisen, F. M., Nielsen, O. J. & Skaarup, S., 1 Jan 1979, In: Journal of Molecular Structure: THEOCHEM. 51, C, p. 17-26 10 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • nitrosyls 100%
  • cyanides 81%
  • Vibration 66%
  • field theory (physics) 61%
  • infrared spectra 57%
  32 Citations (Scopus)

• Rotational spectra of isotopic di-thioformic acids with a structure of trans HCSSH. Ab initio estimates of cis/trans structures, energies, dipole moments, and torsional barrier

  Bak, B., Nielsen, O., Svanholt, H. & Christiansen, J. J., 1 Jan 1979, In: Journal of Molecular Spectroscopy. 75, 1, p. 134-143 10 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Torsional Barrier 100%
  • Moment of Inertia 96%
  • Rotational Spectrum 85%
  • rotational spectra 82%
  • moments of inertia 78%
  20 Citations (Scopus)
• 1978

  Far infrared gas spectra of nitrosyl cyanide

  Nicolaisen, F. M. & Nielsen, O. J., 1 Jan 1978, In: Journal of Molecular Structure: THEOCHEM. 49, 1, p. 97-104 8 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Coriolis Coupling Constant 100%
  • nitrosyls 98%
  • cyanides 80%
  • Vibration 66%
  • Cyanide 55%
  14 Citations (Scopus)

• Formation, microwave spectrum and preliminary structure of selenoketene

  Bak, B., Nielsen, O. J., Svanholt, H. & Holm, A., 15 Jan 1978, In: Chemical Physics Letters. 53, 2, p. 374-376 3 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • ketenes 100%
  • microwave spectra 81%
  • Microwave Spectrum 79%
  • microwave absorption 74%
  • sulfides 66%
  23 Citations (Scopus)

• HCN and HNC dimers. A new and stable variant

  Bak, B., Nielsen, O. J. & Svanholt, H., 15 Nov 1978, In: Chemical Physics Letters. 59, 2, p. 330-333 4 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Microwave Spectrum 100%
  • dimers 72%
  • microwave spectra 68%
  • Pressure 46%
  • exclusion 29%
  28 Citations (Scopus)

• Production and microwave spectra of dithioformic acid, HCSSH

  Bak, B., Nielsen, O. J. & Svanholt, H., 1 Jan 1978, In: Journal of Molecular Spectroscopy. 69, 3, p. 401-408 8 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • microwave spectra 100%
  • Microwave Spectrum 97%
  • Rotamer 90%
  • acids 69%
  • interstellar space 56%
  21 Citations (Scopus)

• Selenoketene substitution structure

  Bak, B., Nielsen, O. J., Svanholt, H. & Holm, A., 1 Apr 1978, In: Chemical Physics Letters. 55, 1, p. 36-39 4 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • pyrolysis 100%
  • ketenes 78%
  • substitutes 78%
  • Pyrolysis 68%
  • Substitution Reaction 62%
  15 Citations (Scopus)

• Selenoketene substitution structure

  Bak, B., Nielsen, O. J., Svanholt, H. & Holm, A., 1 Apr 1978, In: Chemical Physics Letters. 55, 1, p. 36-39 4 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • pyrolysis 100%
  • ketenes 78%
  • substitutes 78%
  • Pyrolysis 68%
  • Substitution Reaction 62%
  15 Citations (Scopus)

• The preparation of nitrosyl cyanide, ONCN, and 8 isotopic species

  Bak, B. & Nielsen, O. J., 1 Jan 1978, In: Journal of Labelled Compounds and Radiopharmaceuticals. 15, 1 S, p. 715-722 8 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  • Explosions 100%
  • Cyanide 74%
  • nitrosyl cyanide 12%
  3 Citations (Scopus)
• 1977

  Predicted (1) and newly observed microwave transitions of HNCS

  Bak, B., Nielsen, O. J. & Svanholt, H., 1 Jan 1977, In: Journal of Molecular Spectroscopy. 68, 1, p. 169-170 2 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  3 Citations (Scopus)