Zobrazeno 1 - 10 of 50 pro vyhledávání: '"I M, Ritchie"'
1
Orientation selectivity for sinusoidal gratings; evidence for an optical component
Autor: Humza J. Tahir, Neil R. A. Parry, Ian J. Murray, R. E. Bremner, A. Pallikaris, S. I M Ritchie
Publikováno v: Journal of Modern Optics. 55:839-847
The human visual system exhibits lower contrast thresholds for detecting vertical and horizontal gratings compared with those orientated obliquely. This is known as the oblique effect and has been thought to be due wholly to neural factors. In this s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::57d55c60cef557023336911787490e9f
https://doi.org/10.1080/09500340701467751
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2
In situ determination of thermal conductivity of waste rock dump material
Autor: A. I. M. Ritchie, Y. Tan
Publikováno v: Water, Air, and Soil Pollution. 98:345-359
In situ determinations of thermal conductivity of waste rock dumps at three mine sites: Aitik, Sweden; Kelian, Indonesia; and Heath Steele, Canada are described. Measurements were carried out at various locations and depths at each site. The estimate
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fa9c15d7800bb54d62a988db44791526
https://doi.org/10.1007/bf02047043
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6
Cerebrovascular effects of nitric oxide manipulation in spontaneously hypertensive rats
Autor: I P, Fouyas, P A, Kelly, I M, Ritchie, I R, Whittle
Publikováno v: British journal of pharmacology. 121(1)
1. Evidence that nitric oxide (NO) bioactivity is altered in chronic hypertension is conflicting, possibly as a result of heterogeneity in both the nature of the dysfunction and in the disease process itself. The brain is particularly vulnerable to t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::21d79f8dae42a9c445e73af0ac112412
https://pubmed.ncbi.nlm.nih.gov/9146886
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8
Neutron yields and energy spectra from the thick target Li(p,n) source
Autor: A I M Ritchie
Publikováno v: Journal of Physics D: Applied Physics. 9:15-26
Angle-dependent spectra of neutrons, emitted by a thick lithium target when bombarded with protons in the energy range 1.881-3 MeV, have been evaluated from experimental and theoretical values of the angular distribution of neutrons emitted in the 7L
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9317f84539cf0b22a48650d0f849a889
https://doi.org/10.1088/0022-3727/9/1/008
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9
The effect of rehabilitation on the rate of oxidation of pyrite in a mine waste rock dump
Autor: A. I. M. Ritchie, J. R. Harries
Publikováno v: Environmental Geochemistry and Health. 9:27-36
Temperature profiles within a mine waste rock dump undergoing pyritic oxidation have been used to estimate the rate of oxidation and the sites where oxidation was occurring. The waste rock dump is located at the abandoned Rum Jungle mine site in Nort
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d541cd4318a44edfb37f25d06648158a
https://doi.org/10.1007/bf01686172
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10
CHEMICAL MODELS FOR PLANT WAX MORPHOGENESIS
Autor: I. M. Ritchie, Margaret A. Booth, T. C. Chambers
Publikováno v: New Phytologist. 77:43-49
SUMMARY Evidence from recrystallization and surface diffusion studies is presented which suggests that the patterns of leaf cuticular wax deposits are mainly a function of the wax chemical composition. Wax probably arrives at the cuticular surface in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c3ab41c8c9f79a80dd1379aa99075b21
https://doi.org/10.1111/j.1469-8137.1976.tb01499.x
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