Zobrazeno 1 - 10 of 30 pro vyhledávání: '"J. G. Firth"'
1
Dust particle impacts during the Giotto encounter with comet Grigg–Skjellerup
Autor: Simon F. Green, Max K. Wallis, Neil McBride, Bertil Anders Lindblad, H. U. Keller, J. A. M. McDonnell, J. G. Firth, Hans Rickman, Eberhard Grün, Jochen Kissel, R. F. Turner, J.C. Mandeville, E. Bussoletti, J.M. Greenberg, R. Beard, L. Colangeli, Réjean Grard, Peter Eberhardt, John C. Zarnecki, Gerhard Schwehm, K. Rembor, C. H. Perry, David W. Hughes
Publikováno v: Nature. 362:732-734
IN the European Space Agency's 1992 Giotto Extended Mission, the Dust Impact Detection System operated successfully during a fly-by that took the spacecraft within about 200 km of the nucleus of comet Grigg–Skjellerup. During the encounter, three m
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f6614885dce6cd3e1b5aa501958ce141
https://doi.org/10.1038/362732a0
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2
Dermal route in systemic exposure
Autor: D J, Benford, J, Cocker, P, Sartorelli, T, Schneider, J, van Hemmen, J G, Firth
Publikováno v: Scandinavian journal of work, environmenthealth. 25(6)
To evaluate risk from dermal exposure, the amount of material on the skin must first be measured. The potential for dermal uptake must then be assessed for the potential health effects from systemic exposure. No standard methods exist for studying th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::edf99495e0760efc5f8ea0fb734e90e5
https://pubmed.ncbi.nlm.nih.gov/10884147
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3
Stability of a porous catalyst subjected to carbon deposition
Autor: H. B. Holland, J. G. Firth
Publikováno v: Journal of Applied Chemistry and Biotechnology. 21:139-140
A study has been made of the stability of porous α-alumina-based catalysts subjected to carbon deposition during the catalytic oxidation of methane. The most important factor in determining the stability, defined as the time taken before mechanical
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eb4b58ff04333fc3620c52276608486d
https://doi.org/10.1002/jctb.5020210505
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7
The soft X-ray polychromator for the Solar Maximum Mission
Autor: P. H. Sheather, J. A. Bowles, J. L. Culhane, John Leibacher, B. J. Kent, P. R. Guttridge, M. Finch, J. G. Firth, E. G. Joki, C. W. Gilbreth, Chris Rapley, R. F. Turner, T. J. Patrick, J. P. Stark, Loren W. Acton, R. D. Bentley, J. C. Sherman, L. A. Springer, R. A. Nobles, A. H. Gabriel, C. J. Wolfson, B. B. Jones, K. J. H. Phillips, R. W. Hayes
Publikováno v: Solar Physics. 65:53-71
The XRP was designed to measure the following temporal and spatial properties of the active and flaring Sun: electron temperature, departures from steady state, ion kinetic temperatures, and electron density. The Bent Crystal Spectrometer (BCS) is ca
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1fe785768563f87313a205ae27640678
https://doi.org/10.1007/bf00151384
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8
Calorimetric bead techniques for measurement of kinetic data for gas-solid heterogeneous reactions
Autor: J G Firth, T A Jones, Alan R. Jones
Publikováno v: Journal of Physics E: Scientific Instruments. 8:37-40
A critical assessment has been made of present experimental methods using calorimetric bead systems for the measurement of gas-solid catalytic kinetic data. Two distinct methods, the isothermal and nonisothermal, are identified and their relative mer
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::37ad23ce0ab27286b5d21fa3aa821d7c
https://doi.org/10.1088/0022-3735/8/1/015
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