Results 51 to 60 of about 2,282 (168)

Seasonal variation of natural radioactivity in the environs of Kali River

Radiation Protection and Environment, 2018
The paper discusses the results of systematic studies of activity concentrations of the 226Ra, 232Th, and 40K in soil and sediment samples of Kali River, one of the major rivers of coastal Karnataka.
K M Rajashekara, V Prakash, Y Narayana
doaj   +1 more source

Development of a moored radium in situ sampler to measure annual time series

Limnology and Oceanography: Methods, Volume 24, Issue 3, March 2026.
Abstract Radium is a useful tracer of sediment‐derived materials, improving our understanding of the geochemical cycling of elements at ocean boundaries. We have developed an autonomous in situ sampler to collect time series samples of radium isotopes on mooring deployments.
Lauren Kipp, Matthew A. Charette, Paul Henderson, Joshua Benedict, Igor Polyakov, Andrey Pnyushkov   +5 more
wiley   +1 more source

Evolution of radionuclide concentration and the radiological hazards in building material: a review

Journal of Taibah University for Science
Residents are continuously exposed to ionizing radiation emitted from 238U, 232Th and 40K maintained in building materials, which may cause health risks. Hence, these building materials need to routinely monitor.
Jameel E. Salman, Nabil M. Hassan
doaj   +1 more source

Thermodynamic and Thermophysical Properties of Early Lanthanide Fluorides: LaF3, CeF3, PrF3, NdF3, SmF3, EuF3, and GdF3

ChemistrySelect, Volume 11, Issue 9, 5 March 2026.
ABSTRACT Thermodynamic and thermo‐physical properties of fission products play a crucial role in the safe operation of a nuclear reactor. Since, in molten salt rectors (MSRs), lanthanide fluorides will be important fission products, isobaric molar heat capacities (cp) of trifluorides of the light lanthanides (LaF3, CeF3, PrF3, NdF3, SmF3, EuF3, and ...
Abhishek Kumar Rai, Manoj Kumar Sharma, S. C. Parida   +2 more
wiley   +1 more source

Geodynamic Controls on Mantle Differentiation and Preservation of Long‐Term Geochemical Heterogeneity: Focus on the Primitive Undegassed Mantle

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 3, March 2026.
Abstract The compositional evolution of the Earth's mantle is the result of mantle differentiation and thermal evolution. Partial melting of mantle materials produces geochemical heterogeneities, allows for degassing and depends on the thermal state of the mantle, itself governed by convection.
Nicolas Récalde, J. Huw Davies, James Panton, Don Porcelli, Morten Andersen   +4 more
wiley   +1 more source

Natural radioactivity measurement of gold mine tailings in Vatukoula, Fiji Islands

Renewable Energy and Environmental Sustainability, 2020
Gold mining is one of the primary industry in Fiji, and it could expose the naturally occurring radioactive materials (NORMs) that may produce health risk to the people working in mining. The present study focuses on the assessment of soil samples in the
Rabuku Adimaitoga T. William, Malik Abdul Q.   +1 more
doaj   +1 more source

Magnetic Evolution of Super‐Earth Exoplanets With a Basal Magma Ocean

Journal of Geophysical Research: Planets, Volume 131, Issue 3, March 2026.
Abstract Habitability of super‐Earths likely requires self‐sustained magnetic fields to shield their atmospheres from stellar forcing. Extreme pressures and temperatures probably produce a long‐lived basal magma ocean (BMO), a potential source for these fields.
Victor Lherm, Miki Nakajima, Eric G. Blackman   +2 more
wiley   +1 more source

RioM‐1: A New Calcite Reference Material for U‐Pb LA‐ICP‐MS Geochronology

Geostandards and Geoanalytical Research, Volume 50, Issue 1, Page 181-199, March 2026.
Key Points RioM‐1 calcite was characterised for trace elements, U‐Pb geochronology, Sr and O isotopes using ID‐TIMS, LA‐ICP‐MS and SIMS. U‐Pb dates from ID‐TIMS and LA‐ICP‐MS across several independent laboratories returned identical results within uncertainty.
Marco Silva, Cristiano Lana, Ricardo Scholz, Ian Buick, Sandra Kamo, Nick M.W. Roberts, Axel Gerdes, Michael Wiedenbeck, Blair Schoene, Francisco E. Apen, Sean P. Gaynor   +10 more
wiley   +1 more source

Drelów, the 13th and latest meteorite fall in Poland—A typical L6 chondrite with shock veins

Meteoritics &Planetary Science, Volume 61, Issue 3, Page 466-486, March 2026.
Abstract On Tuesday, February 18, 2025, at 18:04:14 local time, residents of Poland observed a bright fireball registered by many Polish fireball stations belonging to the Skytinel Network established a few months before by Mateusz Żmija. Thus, the meteoroid's orbit, atmospheric trajectory, and the strewn field were calculated, and over 70 fragments ...
Addi Bischoff, Krzysztof Szopa, Jean‐Alix Barrat, Stig Bartel, Jasper Berndt, Tommaso Di Rocco, Dieter Heinlein, Stephan Klemme, Tomasz Krzykawski, Björn Lehnert, Agnieszka Mirek, Andreas Pack, Markus Patzek, Marie Pichotta, Maximilian P. Reitze, Stefan Ruchti, Philippe Schmitt‐Kopplin, Karl Wimmer, Mateusz Żmija   +18 more
wiley   +1 more source

Statistical model calculations of pre-scission neutron multiplicity for the heavy ion induced fusion-fission reactions with actinide target 232Th

EPJ Web of Conferences, 2015
The reaction mechanism of 19F + 232Th and 28Si + 232Th systems populating the near-super-heavy compound nuclei 251Es and 260Rf respectively are investigated using neutron multiplicity as a probe.
Thakur Meenu, Behera B.R., Kaur Maninder, Pal Santanu, Sugathan P., Jhingan Akhil   +5 more
doaj   +1 more source