Results 1 to 10 of about 11,524,538 (332)

Ground Radioactivity Distribution Reconstruction and Dose Rate Estimation Based on Spectrum Deconvolution [PDF]

Sensors, 2023
Estimating the gamma dose rate at one meter above ground level and determining the distribution of radioactive pollution from aerial radiation monitoring data are the core technical issues of unmanned aerial vehicle nuclear radiation monitoring.
Hang Xu, Xianyun Ai, Ying Wang, Wenzhuo Chen, Zikun Li, Xian Guan, Xing Wei, Jianming Xie, Ye Chen   +8 more
doaj   +3 more sources

Present Situation of Radioactivity Distribution

Insights Concerning the Fukushima Daiichi Nuclear Accident Vol. 1, 2021
Takashi Nakamura, Takuma Momose, Tetsuo Iguchi   +2 more
openaire   +2 more sources

Using of Organic or Inorganic Fertilizers to Grow Thai Jasmine Rice 105 in Soil with Natural Radioactivity (226Ra, 232Th and 40K); Transfer of Radioactivity to Roots [PDF]

Science Technology and Engineering Journal (STEJ), 2020
This research study the radioactivity concentration of 226 Ra, 232Th and 40K using organic and inorganic fertilizers were successfully measured as gamma ray spectrometry technique with HPGe detector on Thai Jasmine rice 105 plant (root) and on ...
Chonlada Raikham, Papaporn Jantawongrit
doaj   +1 more source

Radioactive Eggs. II. Distribution of Radioactivity in the Yolks [PDF]

Experimental Biology and Medicine, 1951
Summary(1) The distribution of radioactivity in the yolks of eggs laid by a hen fed sodium acetate-1-C14 has been determined. (2) The radioactivity appears in all fractions of all yolks in the following order of increasing specific activity: protein, glycerol, phospholipids, fatty acids, cholesterol.
Kritchevsky, David, Kirk, Martha R.
openaire   +3 more sources

THE DISTRIBUTION OF RADIOACTIVE ⁴⁴Ti IN CASSIOPEIA A [PDF]

The Astrophysical Journal, 2016
ABSTRACT The distribution of elements produced in the innermost layers of a supernova explosion is a key diagnostic for studying the collapse of massive stars. Here we present the results of a 2.4 Ms NuSTAR observing campaign aimed at studying the supernova remnant Cassiopeia A (Cas A).
Brian W. Grefenstette, Chris L. Fryer, Fiona A. Harrison, Steven E. Boggs, Tracey DeLaney, J. Martin Laming, Stephen P. Reynolds, David M. Alexander, Didier Barret, Finn E. Christensen, William W. Craig, Karl Forster, Paolo Giommi, Charles J. Hailey, Alan Hornstrup, Takao Kitaguchi, J. E. Koglin, Laura Lopez, Peter H. Mao, Kristin K. Madsen, Hiromasa Miyasaka, Kaya Mori, Matteo Perri, Michael J. Pivovaroff, Simonetta Puccetti, Vikram Rana, Daniel Stern, Niels J. Westergaard, Daniel R. Wik, William W. Zhang, Andreas Zoglauer   +30 more
openaire   +7 more sources

Radioactivity and Space Range of Ultra-Low-Activity for in vivo Off-line PET Verification of Proton and Carbon Ion Beam—A Phantom Study

Frontiers in Public Health, 2021
Purpose: The radioactivity induced by proton and heavy ion beam belongs to the ultra-low-activity (ULA). Therefore, the radioactivity and space range of commercial off-line positron emission tomography (PET) acquisition based on ULA should be evaluated ...
Fuquan Zhang, Fuquan Zhang, Fuquan Zhang, Fuquan Zhang, Junyu Zhang, Junyu Zhang, Junyu Zhang, Junyu Zhang, Yan Lu, Yixiangzi Sheng, Yun Sun, Jiangang Zhang, Jingyi Cheng, Jingyi Cheng, Jingyi Cheng, Rong Zhou   +15 more
doaj   +1 more source

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

Journal 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

Soaking and leaching experimental study on nuclides and heavy metals from zircon sand type associated radioactivity solid wastes

He jishu, 2021
BackgroundThe proper disposal of solid wastes of mine associated with radioactivity has become an urgent environmental problem in Guangdong.PurposeThis study aims at the leaching characteristics, kinetic mechanism, migration and leaching distribution of ...
CHEN Zhidong, CHEN Baidi, DENG Fei, GUO Jie, ZHU Zhiru, ZHU Shenhe, HUANG Zhengxuan, WANG Zuohe   +7 more
doaj   +1 more source

Tissue distribution of sprifermin (recombinant human fibroblast growth factor 18) in the rat following intravenous and intra-articular injection

Osteoarthritis and Cartilage Open, 2020
Summary: Objective: Fibroblast growth factor 18 (FGF18) is involved in chondrogenesis and articular cartilage repair. We investigated tissue distribution and pharmacokinetics of radioactive [3H]sprifermin, a recombinant human FGF18, in rats after a ...
C.H. Ladel, L. Barbero, S. Riva, H. Guehring   +3 more
doaj   +1 more source

The gross α and β radioactivity levels of drinking water source in one oil industrial city in northeast China

Radiation Medicine and Protection, 2021
Objective: To investigate the gross α and β radioactivity levels of drinking water source in the city, the largest oil field production base in northeast China, in order to ensure the safety of drinking water and public health. Methods: The water samples
Yan Shi, Wa Gao, Tuya Siqin, Zhigang Li, Jianwei Zhang, Rongshu Guan, Jinfeng Li, Peilin Sun, Hongtao Zhao   +8 more
doaj   +1 more source