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(a radiographic technique that produces an image of a detailed cross section of bodily tissue using a narrow collimated beam of x-rays that rotates in a full arc around a patient to image the body in cross-sectional slices)
Word Entries containing the term: “beam
direct beam radiation
Radiation received by direct solar rays.

Measured by a pyrheliometer with a solar aperture of 5.7 degrees to transcribe the solar disc.

This entry is located in the following unit: Photovoltaic Conversion Efficiency Terms + (page 6)