Results 1 to 10 of about 42,153 (259)

Autonomous Search of Radioactive Sources through Mobile Robots [PDF]

Sensors, 2020
The research of robotic autonomous radioactivity detection or radioactive source search plays an important role in the monitoring and disposal of nuclear safety and biological safety.
Jianwen Huo, Manlu Liu, Konstantin A. Neusypin, Haojie Liu, Mingming Guo, Yufeng Xiao   +5 more
doaj   +4 more sources

Robust radioactive sources research method using possibility particle filter

AIP Advances, 2021
Of growing concern for the security of many nations are numerous incidents of lost or stolen radioactive sources or materials. The detection of and search for these abnormal radioactive sources plays an important role in monitoring nuclear safety and ...
Peng Xu, Chen Fu, Zhi-Yuan Tan, Xing-fu Cai, Jin Qin   +4 more
doaj   +2 more sources

Studying the Possibility of using Paint to Reduce the Amount of Radon Gas Emitted from Cement

Iraqi Journal of Physics, 2022
In the present work, it had been measured the concentration of radon gas (CRn) for (10) samples of cement used in constructions before and after painting them using enamel paint, purchased from the local markets, to see the extent of its ability to ...
Ehsan Abdul Hussein Soleman, Firas Hashem Ahmed, Mahmood Salim Karim   +2 more
doaj   +1 more source

Modeling and simulation of disused radioactive sources’ dose distribution in a proposed centralized waste management facility and dose optimization using the Monte Carlo transport code (MCNP)

Nuclear Engineering and Technology
Radioactive sources are extensively utilized in research, medical (non-invasive diagnosis, radiotherapy, etc), industry (radiography, well logging, industrial gauge, etc.), and agricultural applications like pest control, food preservation (irradiation),
Karim Hié, I.K. Baidoo, E.T. Glover, E. Shitsi, Vincent Agbodemegbe, Martial Zoungrana, Christian Bangou   +6 more
doaj   +3 more sources

Research for Output Performance of the 85Kr Thickness Gauge Source

Journal of Isotopes, 2021
In the ordinary way, the output performance of 85Kr radioactive source depends on activity, 85Kr radioactive sources with equal activity have similar output performance.
PENG Yigang;LIANG Binbin;WANG Zimo;BA Weiwei;LIU Chao;GAO Xiang
doaj   +1 more source

The High Efficiency fast-Response GAmma (HERGA) detector based on SiPM readout [PDF]

EPJ Web of Conferences, 2023
Gamma-ray spectroscopy and gamma-ray imaging are two complementary techniques used for the localization and the identification of radioactive sources containing gamma-ray emitting radioisotopes. The radioactivity monitoring is focused on the detection of
Altomare C., Cerasole D., Di Venere L., Fanchini E., Gargano F., Giordano F., Loparco F., Loporchio S., Mastroserio A., Morichi M., Pantaleo F.R., Serini D., Spinelli P., Swiderski L.   +13 more
doaj   +1 more source

The regulatory control over radiation sources: the Brazilian experience and some lessons learned from industrial applications

Brazilian Journal of Radiation Sciences, 2019
This study gives an overview of the activities of the National Commission of Nuclear Energy (CNEN), as the Brazilian nuclear regulatory authority. These activities are described, especially those related to management of orphan sources and radioactive ...
Evaldo Luiz Correa da Costa, Joana D'Arc Ramos Lopes Gomes, Rogério dos Santos Gomes, Mara Lucia de Lara Costa, Zieli Dutra Thomé Filho   +4 more
doaj   +1 more source

Measurement technique for characterization and recording of spent 57Co and 68Ge/68Ga sealed radioactive sources [PDF]

Nuclear Technology and Radiation Protection, 2023
The present work concerns the development of a technique for activity determination of 68Ge/68Ga and 57Co disused radioactive sources. This technique aims to determine the activity of these sources by measuring and Monte Carlo simulation using ...
Mavrikis Dimitris, Siarafera Tatiana, Ntalla Eleni, Markopoulos Angelos, Ioannidou Alexandra, Savidou Anastasia   +5 more
doaj   +1 more source

Simulation and measurement of spectra of reference filtered X radiation

The Journal of Engineering, 2019
The energy spectrum is one of the most effective methods to characterise the quality of reference filtered X radiations. To obtain the energy resolution, the authors choose seven sealed standard radioactive sources to carry out energy calibration for ...
Deliang Zhang, Jinjie Wu, Siming Guo, Wanchang Lai, Haiyan Du, Rui Zhao, Dongjie Hou   +6 more
doaj   +1 more source

Study on silicon drift detector efficiency using Monte–Carlo simulation and experimental methods

The Journal of Engineering, 2019
The energy calibration and efficiency calibration of one silicon drift detector (SDD) are introduced here. The energy calibration is achieved using four radioactive sources, and the linear correlation coefficient is close to one.
Siming Guo, Jinjie Wu, Jian Zhang, Zihao Fan, Weina Che, Mengshi Li, Dongjie Hou, Ji Wang   +7 more
doaj   +1 more source