Clik here to view.
FILTRATION
As a beam of x-rays passes through a substance its intensity is reduced. The absorption depends upon the wavelength of the beam and the atomic number of the material. The longer the wavelength and the...
View ArticleClik here to view.
MEASUREMENTS OF RAY QUALITY
It has been shown previously that the ray quality depends mainly upon the voltage across the x-ray tube and the filter used. However, other factors such as the type of x-ray tube and generator also...
View ArticleClik here to view.
TISSUE DOSE
In the therapeutic application of roentgen rays, we are primarily interested in the amount of energy absorbed by the tissue. It is therefore not sufficient to know the dose rate of the equipment in...
View ArticleClik here to view.
CLINICAL DOSAGE PROBLEMS
One of the primary objects in dermatologic roentgen therapy is to deliver an adequate dose to pathologic tissue with a minimum effect on neighboring and underlying healthy regions. The selection of...
View ArticleClik here to view.
RADIATION HAZARDS
Adequate safeguards are essential in order to protect the x-ray operator and others who are daily in the proximity of the source of radiation, against a harmful exposure to the roentgen rays....
View Article
