Results 21 to 30 of about 15,113 (266)

Insights into Gamma-Ray Spectrometry of Building Stones in the North Temple of the Great Ball Court, Archaeological Zone of Chichen Itza, Mexico

Buildings
Non-destructive tests are especially useful for the assessment of building stones and their deterioration in built cultural heritage. Gamma-ray spectrometry is a non-destructive test that has not been applied extensively in these types of constructions ...
Alejandro Méndez-Gaona, Vsevolod Yutsis, Rubén Alfonso López-Doncel, Claudia Araceli García-Solís, Alfredo Aguillón-Robles   +4 more
doaj   +1 more source

Assessment of ¹³⁷Cs in the Environment of Hetauda City, Nepal by In-Situ Gamma Ray Spectrometry

Atom Indonesia, 2023
A significant amount of 137Cs radioactive fallout have been spread in the atmosphere due to nuclear weapon testing and nuclear reactor disasters. This fallout eventually settles on the Earth's surface, and because 137Cs has a long half-life, it remains ...
A. Mishra, R. Khanal
doaj   +1 more source

Source and LVis based coincidence summing correction in HPGe gamma-ray spectrometry

Nuclear Engineering and Technology, 2022
The activity of gamma-ray emitting nuclides is calculated assuming that each gamma-ray is detected individually; thus, the magnitude of the coincidence summing signal must be considered during activity calculations.
Jieun Lee, HyoJin Kim, Yong Uk Kye, Dong Yeon Lee, Jeung Kee Kim, Wol Soon Jo, Yeong-Rok Kang   +6 more
doaj   +1 more source

Natural radioactivity levels (K, Th and Ra) in some areas of Punjab, India

EPJ Web of Conferences, 2012
Radioactivity, natural and man-made, is omnipresent in the earth's crust in different amounts. Natural radioactive materials under certain conditions can reach hazardous radiological levels.
Kumar Sanjeev, Bhupinder Singh, Sabharwal Arvind D., Singh Surinder   +3 more
doaj   +1 more source

Online spectral unmixing in gamma-ray spectrometry

Applied Radiation and Isotopes, 2023
We introduced in a previous paper a time-dependent full-spectrum analysis algorithm speeding up the estimation of the activity of the radionuclides present in a sample. In this paper, we present a new version of the algorithm allowing online estimation.
Malfrait, Paul, Bobin, Jérôme, de Vismes Ott, Anne   +2 more
openaire   +3 more sources

Loss of IGF‐1R impairs DNA‐PKcs recruitment to chromatin leading to defective end‐joining

Molecular Oncology, EarlyView.
IGF‐1R promotes radioresistance by facilitating DNA‐PKcs recruitment to chromatin, enabling non‐homologous end‐joining (NHEJ) repair of double‐strand breaks. Inhibition or loss of IGF‐1R disrupts this recruitment to damage sites, driving compensatory reliance on microhomology‐mediated end‐joining (MMEJ) repair.
Matthew O. Ellis, Jack V. Mills, Wojciech Niedzwiedz, Valentine M. Macaulay   +3 more
wiley   +1 more source

A novel barium oxide-based Iraqi sand glass to attenuate the low gamma-ray energies: Fabrication, mechanical, and radiation protection capacity evaluation

Nuclear Engineering and Technology, 2022
In the present work, untreated Iraqi sand with grain sizes varied between 100 and 200 μm was used to produce a colored glass sample that has shielding features against the low gamma-ray energy.
F.H.F. Al-Saeedi, M.I. Sayyed, F.L. Kapustin, Hanan Al-Ghamdi, E.V. Kolobkova, O.L. Tashlykov, Aljawhara H. Almuqrin, K.A. Mahmoud   +7 more
doaj   +1 more source

Analysing radionuclide content in soil samples and radiological risks in the clayey material surrounding of the “Zbegovi” deposit, Donje Crniljevo, Serbia [PDF]

Nuclear Technology and Radiation Protection, 2020
This paper presents the results of analyses of radionuclide content in the samples of the surrounding soil and clayey material of “Zbegovi” open-pit mine in Donje Crniljevo, Serbia. Samples from 78 sites were collected and prepared. The activity
Ilić Sreten B., Golubović Tatjana D., Pajić Nataša D., Đurašević Mirjana M., Kandić Aleksandar B.   +4 more
doaj   +1 more source

Analysing the significance of small conformational changes and low occupancy states in serial crystallographic data

FEBS Open Bio, EarlyView.
This protocol paper outlines methods to establish the success of a time‐resolved serial crystallographic experiment, by means of statistical analysis of timepoint data in reciprocal space and models in real space. We show how to amplify the signal from excited states to visualise structural changes in successful experiments.
Jake Hill, Yelyzaveta Pulnova, Elke De Zitter, Helen M. Ginn, Briony A. Yorke   +4 more
wiley   +1 more source

Microstructural Evolution and Vacancy Defect Formation in Mn–Mo–Ni RPV Steel Under Low Cycle Fatigue: Insights From EBSD and PALS

Advanced Engineering Materials, EarlyView.
Low‐cycle fatigue damage in Mn–Mo–Ni reactor pressure vessel steel is examined using a combined electron backscatter diffraction and positron annihilation lifetime spectroscopy approach. The study correlates texture evolution, dislocation substructure development, and vacancy‐type defect formation across uniform, necked, and fracture regions, providing
Apu Sarkar, Dhanadeep Dutta, G. Bharat Reddy   +2 more
wiley   +1 more source