نتایج جستجو برای: neutron dosimetry

تعداد نتایج: 53966  

2017
Silva Bortolussi Ian Postuma Nicoletta Protti Lucas Provenzano Cinzia Ferrari Laura Cansolino Paolo Dionigi Olimpio Galasso Giorgio Gasparini Saverio Altieri Shin-Ichi Miyatake Sara J González

BACKGROUND Osteosarcoma is the most frequent primary malignant bone tumour, and its incidence is higher in children and adolescents, for whom it represents more than 10% of solid cancers. Despite the introduction of adjuvant and neo-adjuvant chemotherapy that markedly increased the success rate in the treatment, aggressive surgery is still needed and a considerable percentage of patients do not...

Journal: :Epj Web of Conferences 2021

The availability of neutron fields with a high flux, suitable for irradiation testing nuclear instrumentation detectors relevant applications in facilities such as material reactors (MTRs), power and future fusion is becoming increasingly limited. Over the last several years there has been increased interest experimental capabilities 250 kW Jožef Stefan Institute (JSI) TRIGA research reactor ap...

Journal: :Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine 2010
Alessandro M Costa Gustavo L Barbi Edenyse C Bertucci Heberton Ferreira Simone Z Sansavino Beatriz Colenci Linda V E Caldas

The ultimate check of the actual dose delivered to a patient in radiotherapy can only be achieved by using in vivo dosimetry. This work reports a pilot study to test the applicability of a thermoluminescent dosimetric system for performing in vivo entrance dose measurements in external photon beam radiotherapy. The measurements demonstrated the value of thermoluminescent dosimetry as a treatmen...

Journal: :iranian journal of radiation research 0
kakavand 1 department of physics, zanjan university, zanjan, iran ghafourian atomic energy organization of iran, tehran, iran haji-shafeieha 1 department of physics, zanjan university, zanjan, iran

background: miniature neutron sources with high neutron flux have abundant applications in medicine, industry and researches. the most important general characteristic of miniature neutron sources is their diameter which is 3mm in average. in this research, we have surveyed and designed an am-be miniature neutron source fabrication. materials and methods: this investigation resulted in creation...

2008
J. E. McAninch L. J. Hainsworth A. A. Marchetti M. R. Leivers T. Straume

The long-lived isotopes of nickel (Ni, Ni) have current and potential use in a number of applications including cosmic radiation studies, biomedical tracing, characterization of low-level radioactive wastes, and neutron dosimetry. Methods are being developed at LLNL for the routine detection of these isotopes by AMS. One intended application is in Hiroshima dosimetry. The reaction Cu(n,p)Ni has...

Journal: :Radiation research 2010
W Rühm A Wallner H Cullings S D Egbert N El-Faramawy T Faestermann D Kaul K Knie G Korschinek N Nakamura J Roberts G Rugel

(41)Ca is produced mainly by absorption of low-energy neutrons on stable (40)Ca. We used accelerator mass spectrometry (AMS) to measure (41)Ca in enamel of 16 teeth from 13 atomic bomb survivors who were exposed to the bomb within 1.2 km from the hypocenter in Hiroshima. In our accompanying paper (Wallner et al., Radiat. Res. 174, 000-000, 2010), we reported that the background-corrected (41)Ca...

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