You are seeing reference results for scatter penumbra because there's not a match on Dictionary.com.
Related searches for scatter penumbra
|
radonc.wikidot.com/photon-planning
|
Dec 27, 2007 ... ii) Scatter penumbra – this is from scatter from the collimator and air column, as well as internal patient scatter. This is a function of beam energy ...
|
|
www.ncbi.nlm.nih.gov/pubmed/8746712
|
An extrafocal source model has been developed to explain the dependence of head scatter and beam penumbra on field size. In this model, the x-ray source of ...
|
|
www.ncbi.nlm.nih.gov/pubmed/20527553
|
METHODS: Dose-distributions have been calculated for nondivergent beams, both including and excluding scatter, beam penumbra, and attenuation effects, ...
|
|
www.ndt-ed.org/EducationResources/CommunityCollege/Radi...
www.ndt-ed.org/EducationResources/CommunityCollege/Radiography/Physics/GeometricUnsharp.htm
|
Scatter/Radiation Control ... The penumbra is the gray area seen in the applet. ... These values refer to the degree of penumbra shadow in a radiographic image.
|
|
www-naweb.iaea.org/nahu/dmrp/pdf_files/Chapter8.pdf
|
exit window, scattering foils, monitor chambers, collimators and air, the electrons ..... A penumbra defined in this way is a rapidly varying function of depth. 0.00 ...
|
|
www.e-radiography.net/radtech/x/x-ray_beam_in_radiograp...
www.e-radiography.net/radtech/x/x-ray_beam_in_radiography.htm
|
6) Beam limitation is the most effective method for limiting scatter ... ii) Major disadvantage is that the aperture diaphragm allows more penumbra and off- focus ...
|
|
|
|
www.jstor.org/stable/100204
|
The assumption that the illuminated region and the penumbra of a body scatter independently at high frequencies is used to obtain scattering coefficients for ...
|
|
link.aip.org/link/?JAPIAU/105/102011/1
|
to evaluate the contributions of secondary electrons and photon scatter to the penumbra region for various field sizes (5, 10, 20, and 40 mm in diameters) and for ...
|
|
www.aapm.org/meetings/09PRS/documents/Slopsema.pdf
|
I. basic interactions. I. basic interactions. ▪ energy loss i. ▪ scattering. ▪ nuclear interactions. II. clinical beams. ▪ pdd. ▪ lateral penumbra. ▪ lateral penumbra ...
|
|
adsabs.harvard.edu/full/1969SoPh....8...23M
|
Observations of different spots by the same observers indicate considerable scatter in the penumbral intensities. The scatter in the data may indicate a change in ...
|
