Long-range transport of radiocaesium derived from global fallout and the Fukushima accident in the Pacific Ocean since 1953 through 2017-Part I: Source term and surface transport [0.03%]
1953至2017年全球大洋环境核素¹³⁷Cs与福岛核事故 Cs的长距离海洋输运(一):源排放和表层海洋输运模式研究
Michio Aoyama
Michio Aoyama
Long range transport of radiocaesium derived from local fallout occurred early 1950s, global fallout which occurred mainly late 1950s and early 1960s and the Fukushima accident occurred in 2011 were investigated and presented for ocean surf...
Katarzyna M Szufa,Jerzy W Mietelski,Robert Anczkiewicz et al.
Katarzyna M Szufa et al.
The aim of the article was to verify the hypothesis concerning the diversification of plutonium sources in the natural environment of Antarctica. Plutonium activity and atom ratios were analyzed in two groups of biological samples: terrestr...
Paweł Grabowski,Przemysław Jarosiński,Piotr Szajerski et al.
Paweł Grabowski et al.
The objective was to study changes in water-saturated biodiesel irradiated by electron beam and to analyse them considering the influence of absorbed dose. Based on obtained results it can be concluded that irradiation did not affect ester ...
Medical activated charcoal tablets as a cheap tool for passive monitoring of gaseous 131I activity in air of nuclear medicine departments [0.03%]
核医学科部门空气中气溶胶态¹³₁I活性的被动监测的廉价工具——医用活性炭片
Tomasz Mróz,Kamil Brudecki,Jerzy W Mietelski et al.
Tomasz Mróz et al.
It is well known that monitoring of radioactivity released from nuclear medicine departments is necessary to ensure the radiological safety of patients and personnel. Unfortunately, equipment for air sampling is often expensive, loud and is...
Ryohei Sugita,Natsuko I Kobayashi,Keitaro Tanoi et al.
Ryohei Sugita et al.
Using the real-time radioisotope imaging system (RRIS), we present the carbon dioxide gas fixation process of a soybean plant applying the 14C-labeled gas. When 14CO2 gas was supplied to the selected mature leaf, the fixed carbon, photosynt...
Chemical and radioanalytical investigations of 106Ru-containing air filters from Vienna in fall 2017: searching for stable element anomalies [0.03%]
探寻稳定元素异常:对维也纳2017年秋季含¹⁰⁶Ru的空气过滤器进行化学和放射分析调查
Dorian Zok,Johannes H Sterba,Georg Steinhauser
Dorian Zok
Related to the recent nuclear release of radioactive ruthenium isotopes in fall 2017, we analyzed air filters from Vienna for irregularities in the (stable) elemental composition of particulate matter from this period. Methods were SEM/EDXS...
Adsorption characteristics of a clinoptilolite-rich zeolite compound for Sr and Cs [0.03%]
clinoptilolite富集的沸石材料对Sr和Cs的吸附特性研究
Johannes H Sterba,Hannes Sperrer,Florian Wallenko et al.
Johannes H Sterba et al.
The Sr and Cs adsorption capacities of LithoFill™, LithoGran™ and a competing clinoptilolite containing zeolite product were investigated by radioanalytical methods (85Sr and 134Cs gamma spectroscopy). The dependence of adsorption and ads...
Medical isotope production, research reactors and their contribution to the global xenon background [0.03%]
医学同位素生产、研究反应堆及其对全球氙背景的贡献
Ian Hoffman,Rodney Berg
Ian Hoffman
The Comprehensive Nuclear-Test-Ban Treaty (CTBT) bans the testing of nuclear explosive devices underground, in the atmosphere and underwater. Two main technologies, radionuclide and seismo-acoustic monitoring, are deployed in the Internatio...
Manikandan Kadirvel,Déborah Cardoso,Sally Freeman et al.
Manikandan Kadirvel et al.
N-Methyl carbamoylimidazole is a safe and practical alternative to methyl isocyanate for carbamoylation reactions. We have developed a new chemical route for its synthesis from methyl iodide and applied this to the synthesis of N-[11C]methy...
Preparation of uranium(III) in a molten chloride salt: a redox mechanistic study [0.03%]
氯化盐熔盐中铀(III)的制备:一种氧化还原机理研究
Hugues Lambert,Timothy Kerry,Clint A Sharrad
Hugues Lambert
The most advanced methodology for the pyroprocessing of spent nuclear fuel is the electrorefining of uranium metal in LiCl-KCl eutectic, in which uranium is solubilized as U(III). The production of U(III) in LiCl-KCl eutectic by the chlorin...