MA Firpo… - Medical Physics, 2011 - link.aip.org ... The Simple Integrated Tissue‐AirRatio (SITAR) is a novel method of determining depth‐dose for this novel device. ... It is Integrated because it integrates all appreciable effects: inverse R‐squared divergence, attenuation in water and in tissue‐equivalent plastic, and scatter. ...
GJ Bootsma, F Verhaegen… - Medical physics, 2011 - ncbi.nlm.nih.gov ... The simulation is validated against projection images, scatter-to-open field ratio (SOR), and scatter-to-primary ratio (SPR) measurements taken using a bench-top CBCT system. ... A functional relationship between scatter (SOR, SPR) and air gap, cone angle is reported. ... Cited by 3 - Related articles - All 2 versions
M Blessing, MS Bhagwat, Y Lyatskaya, JR Bellon… - Physica Medica, 2011 - Elsevier ... The next factor, TAR(d,c) stands for tissue-to-airratio. It describes the behavior of the signal when total thickness d of the imaged object is varied. S tot (c) is the total scatter factor and describes the intensity variation in the image center with respect to the changing field sizes c ... Related articles - All 3 versions
HS Wong, AM Pappas, RW Zimmerman… - Cement and Concrete …, 2011 - Elsevier ... The total test area was at least 11000 mm 2 per mix. The obtained data were then used to calculate the air content, void frequency, paste-to-airratio, specific surface, spacing factor and aggregate content according to ASTM C457-98 [13]. 2.4. Backscattered electron imaging. ...
[PDF] from wroc.plSW Cheong… - Optica Applicata, 2011 - if.pwr.wroc.pl ... light from an organic light emitting diode (OLED) is trapped as a result of total internal reflection (TIR) on a glass–air interface. ... of light trapped by the TIR can be extracted if the radius of the spherical scatters, the refractive index ratio between the matrix and the scatter and the ... Related articles - View as HTML - All 2 versions