Coal mining applications of CdTe gamma ray sensors

Entine, G.; Tiernan, Timothy C.; Waer, P.; Hazlett, T.H.

doi:10.1016/0883-2889(90)90169-h

Cited by 2 publications

(1 citation statement)

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“…To provide steering information to the operator. Entine et al [ 91 ] have developed and demonstrated a CdTe solid-state detector probe, mounted adjacent to the drill tip, which detects the natural radioactivity (usually of uranium, with gamma rays of several hundred keV energy) in the shale outside the seam, and hence the nearness of the drill bit to the seam edge-region where, incidentally, is also found the coal highest in both ash and sulfur content.…”

Section: Radiometric Gauging and Control In The Mineral Industriesmentioning

confidence: 99%

Survey of industrial, agricultural, and medical applications of radiometric gauging and process control

Hubbell¹

1990

J. RES. NATL. INST. STAN.

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Photon and particle radiations (gamma rays, x rays, brems-strahlung, electrons and other charged particles, and neutrons) from radioactive isotopes, x-ray tubes, and accelerators are now widely used in gauging, production control, and other monitoring and metrology devices where avoidance of mechanical contact is desirable. The general principles of radiation gauges, which rely on detection of radiation transmitted by the sample, or on detection of scattered or other secondary radiations produced in the sample, are discussed. Examples of such devices currently used or at least shown to be feasible in industrial, transportation, building, mining, agricultural, medical, and other metrology situations are presented, drawing from a total of 146 selected technical and review paper reference sources here cited.

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Section: Radiometric Gauging and Control In The Mineral Industriesmentioning

confidence: 99%