Boots – shoes – and leggings
Patent
1990-01-26
1991-11-05
Hayes, Gail O.
Boots, shoes, and leggings
250269, 73153, G01D 1800
Patent
active
050635093
ABSTRACT:
X-ray attenuation measurements at two or more energies are carried out on core samples of earth materials for use in determining relative Compton scattering and photoelectric contributions to attenuation. The measurements are utilized to calculate material bulk density from the change in attenuation between such dual X-ray energies and the attenuation for one of the dual X-ray energies.
REFERENCES:
patent: 4542648 (1985-09-01), Vinegar et al.
patent: 4571491 (1986-02-01), Vinegar et al.
Coles Mary E.
Muegge Ernest L.
Hager Jr. George W.
Hayes Gail O.
McKillop Alexander J.
Mobil Oil Corporation
Speciale Charles J.
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