نتایج جستجو برای: radiation therapy freedom degrees modulation

تعداد نتایج: 1141751  

Journal: :iranian journal of radiation research 0
s. abdollahi reza radiotherapy oncology center, mashhad, iran m. mohammadi department of medical physics, hamadan university of medical science, hamadan, iran a. ebrahimzadeh pezeshki reza radiotherapy oncology center, mashhad, iran z. alizadeh reza radiotherapy oncology center, mashhad, iran

background: in order to deliver the precise dose to the target in radiotherapy, absorbed dose to water at the reference point should be assessed. when the calibration procedure is performed for a reference dosimeter in the 60co beam of a secondary standard dosimetry laboratory (ssdl), the total uncertainty in absorbed dose to water (dw) is estimated to be approximately 1.5%. this study attempts...

By using the finite element $p$-Version in convection-diffusion problems, we can attain to a stabilized and accurate results. Furthermore, the fundamental of the finite element $p$-Version is augmentation degrees of freedom. Based on the fact that the finite element and the meshless methods have similar concept, it is obvious that many ideas in the finite element can be easily used in the meshl...

Journal: :Journal of the Robotics Society of Japan 2019

Journal: :IEEE Transactions on Information Theory 2016

Journal: :Physical Science International Journal 2021

For long time the nature of spacetime had been subject debate, here another version will be discussed in form space and fields where a new concept energy constraining can explain interactions between those fields.
 This model comes three parts: constraining, evolution quanton their different transitions are discussed, second part, fields, degrees freedom third part: electromagnetic waves a...

Journal: :Theoretical Computer Science 2001

Journal: :Journal of Non-Equilibrium Thermodynamics 2008

Journal: :Acta Crystallographica Section A Foundations and Advances 2017

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