The New Encyclopaedia Britannica, Volume 23Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 200
... radiations into visible light . In diagnostic ra- diology ( fluoroscopy ) , a beam of penetrating radiation is passed through parts of the body ; transmitted radiation forms an image of the internal organs in motion on the screen for ...
... radiations into visible light . In diagnostic ra- diology ( fluoroscopy ) , a beam of penetrating radiation is passed through parts of the body ; transmitted radiation forms an image of the internal organs in motion on the screen for ...
Page 404
... radiation detection methods 15 : 392e radiation injury effects 15 : 417g radiation in life systems 15 : 400h radioactive emissions 15 : 435d ; table 447 1 2 3 radiologic radioisotope use 15 : 460c The gamma function is useful more for ...
... radiation detection methods 15 : 392e radiation injury effects 15 : 417g radiation in life systems 15 : 400h radioactive emissions 15 : 435d ; table 447 1 2 3 radiologic radioisotope use 15 : 460c The gamma function is useful more for ...
Page 718
... radiation ; and part is reradiated directly from the sur- face , also as longwave infrared radiation . The atmosphere is not completely transparent to this longwave radiation , however , and ab- sorbs a considerable portion of it before ...
... radiation ; and part is reradiated directly from the sur- face , also as longwave infrared radiation . The atmosphere is not completely transparent to this longwave radiation , however , and ab- sorbs a considerable portion of it before ...
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