Filters may be used to reduce the low-energy (
A processed film with optical density (OD) of 0.2 is placed…
A processed film with optical density (OD) of 0.2 is placed over another film with OD of 0.1. The resulting total OD is
An x-ray tube requires high vacuum to achieve good thermal c…
An x-ray tube requires high vacuum to achieve good thermal conductivity for cooling the anode.
The probability of Compton scattering depends on the effecti…
The probability of Compton scattering depends on the effective atomic number of tissues.
High detective quantum efficiency is desired for flat-panel…
High detective quantum efficiency is desired for flat-panel digital detectors in X-ray imaging.
Characteristic x-ray radiation has a continuous spectrum.
Characteristic x-ray radiation has a continuous spectrum.
Compton scattering may cause reduction of an x-ray beam inte…
Compton scattering may cause reduction of an x-ray beam intensity passing through a patient.
X-ray angiography may be utilized to investigate diseases su…
X-ray angiography may be utilized to investigate diseases such as stenosis and clotting of arteries and veins.
Compton scattering and photoelectric effect are important in…
Compton scattering and photoelectric effect are important interactions of x-ray photons with tissues in diagnostic radiology.
Photoelectric effect causes tissue absorption of an X-ray.
Photoelectric effect causes tissue absorption of an X-ray.