F factor - meaning and definition. What is F factor
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What (who) is F factor - definition

CONVERSION FACTOR USED IN DIAGNOSTIC RADIOLOGY
F-factor (unit)

F-factor (conversion factor)         
The F-factor, in diagnostic radiology, is the conversion factor between exposure and absorbed dose. In other words, it converts between the amount of ionization in air (roentgens or, in SI units, coulombs per kilogram of absorber material) and the absorbed dose in air (rads or grays).
Transcription factor II F         
A GENERAL TRANSCRIPTION INITIATION FACTOR WHICH IN HUMANS CONSISTS OF A HETERODIMER OF AN ALPHA AND A BETA SUBUNIT. HELPS RECRUIT RNA POLYMERASE II TO THE INITIATION COMPLEX AND PROMOTES TRANSLATION ELONGATION.
TFIIF; II F; Transcription Factor II F
Transcription factor II F (TFIIF) is one of several general transcription factors that make up the RNA polymerase II preinitiation complex.
F-Factor (diet)         
REGISTERED DIETITIAN; AUTHOR AND FOUNDER FOR THE THE F-FACTOR DIET; AND CEO OF F-FACTOR
Draft:F-Factor Diet; Tanya Zuckerbrot; F-Factor Diet
F-Factor is a high fiber diet plan created by Registered Dietitian Tanya Zuckerbrot. It includes a diet plan, a branded food line, books, and other products.

Wikipedia

F-factor (conversion factor)

The F-factor, in diagnostic radiology, is the conversion factor between exposure and absorbed dose. In other words, it converts between the amount of ionization in air (roentgens or, in SI units, coulombs per kilogram of absorber material) and the absorbed dose in air (rads or grays). The two determinants of the F-factor are the effective atomic number (Z) of the material and the type of ionizing radiation being considered. Since the effective Z of air and soft tissue is approximately the same, the F-factor is approximately 1 for many x-ray imaging applications. However, bone has an F-factor of up to 4, due to its higher effective Z.