Zobrazeno 1 - 10
of 583
pro vyhledávání: '"S D, Sharma"'
Autor:
Smriti Sharma, D K Dixit, S D Sharma, Amit Sharma, G Sahani, Ritu Raj Upreti, R A Kinhikar, P K Dash Sharma
Publikováno v:
Journal of Medical Physics, Vol 48, Iss 3, Pp 259-267 (2023)
Aim: This article aimed to present the salient features of the in-house developed Java program for the determination of inflection point and dosimetric parameters of flattening filter-free (FFF) photon beam. Reference levels for the dosimetric parame
Externí odkaz:
https://doaj.org/article/bc720abc78d24b448a4bb9953ece181a
Publikováno v:
MethodsX, Vol 10, Iss , Pp 102170- (2023)
The thermo-acoustic instabilities developed inside the combustor causes serious structural damage and reduces the life of power producing devices. The present work involves experimental investigation to assess effect of radial micro-jets air injectio
Externí odkaz:
https://doaj.org/article/6d105ffd3e72468b8ddcaed84b95b30b
Publikováno v:
Journal of Medical Physics, Vol 46, Iss 1, Pp 26-32 (2021)
Background and Aim: Modern radiotherapy modalities, such as Intensity-Modulated Radiotherapy and Volumetric Modulated Arc Therapy involve complex dose delivery. The dose delivery is complex as it involves beam modulation, hence, manual dose calculati
Externí odkaz:
https://doaj.org/article/21d27b1be6954c37b29a705197819537
Publikováno v:
Journal of Medical Physics, Vol 44, Iss 1, Pp 39-48 (2019)
Introduction: Use of synchrotron radiation (SR) X-ray source in medical imaging has shown great potential for improving soft-tissue image contrast such as the breast. The present study demonstrates quantitative X-ray phase-contrast imaging (XPCI) tec
Externí odkaz:
https://doaj.org/article/20044b925150434981dd443c50824cc4
Autor:
Rahul Kumar Chaudhary, Rajesh Kumar, S D Sharma, Soumen Bera, Vikram Mittal, Sudesh Deshpande
Publikováno v:
Journal of Medical Physics, Vol 44, Iss 2, Pp 99-105 (2019)
Objective: The objective of this study was to validate the performance characteristics of in-house developed four-dimensional (4D) dynamic phantom (FDDP). Materials and Methods: There are three target inserts of 1.0, 1.5 and 2.0 cm diameter. The targ
Externí odkaz:
https://doaj.org/article/d4683070f762432ca50a145805ebf79f
Publikováno v:
Journal of Medical Physics, Vol 43, Iss 4, Pp 255-263 (2018)
Introduction: Image quality of digital mammography system is generally defined by three primary physical parameters, namely, contrast, resolution, and noise. Quantification of these metrics can be done by measuring objective image quality parameters
Externí odkaz:
https://doaj.org/article/efb9bead8b59434bb2f51fe7b55b0df8
Autor:
Munish Kumar, Sunil Kumar Singh, Uma P Gaonkar, S D Sharma, P Ratna, D K Koul, M S Kulkarni, D Datta
Publikováno v:
Radiation Protection and Environment, Vol 40, Iss 3, Pp 142-148 (2017)
Lead (Pb) goggles used by radiation workers while performing fluoroscopy-guided diagnostic and interventional procedures reduce the doses to eye lenses substantially. In majority of the cases, the dosimeter intended to measure eye lens doses is worn
Externí odkaz:
https://doaj.org/article/5a35e18586aa4cfeb3695039d513506b
Publikováno v:
The Indian Journal of Agricultural Sciences, Vol 89, Iss 4 (2019)
The key factor to obtain good yield and high fruit quality in apple (Malus domestica Borkh.) production is tree fertilization. The present study was planned with the objective to investigate the effect of soil applied N sources through foliar Urea sp
Externí odkaz:
https://doaj.org/article/488d71bfac124eb58a11ea8267c3ee6c
Autor:
Sudesh Deshpande, Deepak Dhote, Kalpna Thakur, Amol Pawar, Rajesh Kumar, Munish Kumar, M S Kulkarni, S D Sharma, V Kannan
Publikováno v:
Journal of Medical Physics, Vol 41, Iss 3, Pp 177-181 (2016)
The objective of this work was to measure patient eye lens dose for different cone-beam computed tomography (CBCT) acquisition protocols of Varian′s On-Board Imaging (OBI) system using optically stimulated luminescence dosimeter (OSLD) and to study
Externí odkaz:
https://doaj.org/article/c235f479be1a4bacbfc0d213e3895c3e
Publikováno v:
Journal of Medical Physics, Vol 41, Iss 2, Pp 115-122 (2016)
Clinical application using high-dose rate (HDR) 192Ir sources in remote afterloading technique is a well-established treatment method. In this direction, Board of Radiation and Isotope Technology (BRIT) and Bhabha Atomic Research Centre, India, joint
Externí odkaz:
https://doaj.org/article/b12d65eae9834abb99d54ae693014a6a