Results 41 to 50 of about 173,456 (181)

Comparison of the Operator and Surrounding Dose When Using Portable Intraoral X-ray Devices

open access: yesApplied Sciences
This study aimed to investigate the scattered radiation dose using three portable dental radiographic units: iRay D3, EZRay Air, and Epix. The absorbed dose was measured at 0.5 and 1 m distances, every 15° in the horizontal plane, using an ionization ...
Mehrdad Abdinian   +6 more
doaj   +1 more source

Influence of temperature and moisture on the mechanical properties of irradiated thermoplastics materials

open access: yesMATEC Web of Conferences, 2017
This study deals with the effect of ionizing beta radiation on notch impact strength of polyamides filled with glass fiber under the influence of temperature and moisture.
Pavel Stoklasek, Martin Bednarik
doaj   +1 more source

The radiation protection role of heparin-SOD conjugate in irradiated mice

open access: yesBrazilian Journal of Pharmaceutical Sciences, 2018
Heparin-SOD conjugate (Hep-SOD) was prepared by modifying Cu,Zn-SOD with heparin. An acute radiation-induced mouse injury model was constructed to study the radiation protection effects of Hep-SOD conjugate.
Chuanqing Zhong   +5 more
doaj   +1 more source

Radiation exposure in emergency ureteric stenting: A subgroup analysis by operator

open access: yesBJUI Compass, 2023
Objectives To review radiation exposure during emergency ureteric stent insertion to identify differences based on operator experience, specialty operator and stone characteristics.
Kevin Tree   +5 more
doaj   +1 more source

An epidemiological assessment of lens opacifications that impaired vision in patients injected with radium-224 [PDF]

open access: yes, 1988
The incidence of lens opacifications that impaired vision (cataract) was analyzed among 831 patients who were injected with known dosages of 224Ra in Germany shortly after World War II.
Chmelevsky, D.   +4 more
core   +1 more source

UV Degradation of the Optical Properties of Acrylic for Neutrino and Dark Matter Experiments [PDF]

open access: yes, 2009
UV-transmitting (UVT) acrylic is a commonly used light-propagating material in neutrino and dark matter detectors as it has low intrinsic radioactivity and exhibits low absorption in the detectors' light producing regions, from 350 nm to 500 nm ...
  +16 more
core   +2 more sources

Change of notch impact strength depending on radiation dose and test temperature

open access: yesMATEC Web of Conferences, 2017
The main purpose of this paper has been determine the effect of radiation crosslinking on the notch impact strength of polyamides filled with fiberglass.
Martin Bednarik, Pavel Stoklasek
doaj   +1 more source

Verification of Dosage and Radiation Delivery TIME Breast Cancer (Mammae Ca) with ISIS TPS [PDF]

open access: yes, 2018
Cancer was a disease caused of the abnormal growth of cells of body tissue turned to the cancer cells. For its development, these cancer cells can spread to other parts of the body, therefore, they can be the cause of the death. Cancer was a general term
Ratini, N. N. (Ni)   +2 more
core  

Measurement and Protection of Induced Radioactivity in Proton Heavy Ion Accelerator Therapy

open access: yesJournal of Isotopes, 2021
Proton-heavy ion therapy is internationally recognized as the most advantageous radiotherapy method in oncology. However, due to the relatively high energy of the proton-heavy ion beams, the secondary neutrons produced in the process of beam energy loss ...
HU Qisheng;YANG Jun
doaj   +1 more source

Assessment of Different Training Methods in an Artificial Neural Network to Calculate 2D Dose Distribution in Radiotherapy [PDF]

open access: yesIranian Journal of Medical Physics, 2020
Introduction: Treatment planning is the most important part of treatment. One of the important entries into treatment planning systems is the beam dose distribution data which maybe typically measured or calculated in a long time.
Mahdi Saeedi-Moghadam   +3 more
doaj   +1 more source

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