Results 31 to 40 of about 120,161 (290)
Development of a low background liquid scintillation counter for a shallow underground laboratory [PDF]
Applied Radiation and Isotopes, Volume 105, November 2015, Pages
209-218, 2015 Pacific Northwest National Laboratory has recently opened a shallow underground laboratory intended for measurement of low-concentration levels of radioactive isotopes in samples collected from the environment. The development of a low-background liquid scintillation counter is currently underway to further augment the measurement capabilities within ...
arxiv +1 more source
Isotope Techniques in Chemical Wastewater Treatment: Opportunities and Uncertainties
Angewandte Chemie, EarlyView.In this review, we would first introduce basic knowledge about isotopic compounds and then scrutinize the physical and chemical influence induced by isotope changes. Special attention will be paid to the uncertainties in explaining the isotope results.
Hongyu Zhou +7 more
wiley +2 more sources
Uncertainty evaluation for determination of 14C in urine samples by wet oxidation method
Radiation Medicine and Protection, 2021 Objective: To figure out the source of uncertainty in the determination of 14C activity concentration in urine samples, and to establish a complete expression of analysis results, in order to improve the accuracy of 14C monitoring method.
Linlin Yan +6 more
doaj
Bio-Protocol, 2018 The here described method can be used to estimate the uptake of orally provided cholesterol in mice. Briefly, mice are gavaged with radiolabeled cholesterol and 4 h later, organ distribution of the radiolabel is determined by liquid scintillation ...
Anna Worthmann, Clara John, Joerg Heeren
doaj +1 more source
Anthropology and Humanism, Volume 47, Issue 2, Page 402-408, December 2022., 2022 SUMMARY Against a backdrop of gift‐giving and reciprocity as keys in building and confirming social relationships in the field, this fictional narrative reveals a string of gift‐giving events that did not work out. This outcome is rarely reported on in anthropology, but here one gift was returned immediately, another promised but never produced.
Helena Wulff
wiley +1 more source
A comparative study of different radiometric methodologies for the determination of 226Ra in water
Nuclear Engineering and Technology, 2018 An evaluation of various radiometric methods to analyze 226Ra in water has been employed on a set of 10 standard solutions of different concentrations in the range of 1–10 Bq/L−1. The analysis was carried out using well-established procedures by means of
Ibrahim F. Al-Hamarneh +1 more
doaj +1 more source
Characterization of radioactive aerosols in Tehran research reactor containment [PDF]
Nuclear Technology and Radiation Protection, 2015 The objectives of this research were to determine the levels of radioactivity in the Tehran research reactor containment and to investigate the mass-size distribution, composition, and concentration of radionuclides during operation of the ...
Moradi Gholamreza +5 more
doaj +1 more source
Radiation, 2023 In arid regions, the tritium concentration in groundwater is typically very low and often falls below the minimum detectable activity (MDA) of the conventional liquid scintillation counter (LSC).
Al Mamun
doaj +1 more source
Reconstruction of Point Events in Liquid-Scintillator Detectors Subjected to Total Reflection [PDF]
arXiv, 2022 The outer water buffer is an economic option to shield the external radiative backgrounds for liquid-scintillator neutrino detectors. However, the consequential total reflection of scintillation light at the media boundary introduces extra complexity to the detector optics.
arxiv
Characterizing Quantum-Dot-Doped Liquid Scintillator for Applications to Neutrino Detectors [PDF]
JINST 7 (2012) P07010, 2012 Liquid scintillator detectors are widely used in modern neutrino studies. The unique optical properties of semiconducting nanocrystals, known as quantum dots, offer intriguing possibilities for improving standard liquid scintillator, especially when combined with new photodetection technology. Quantum dots also provide a means to dope scintillator with
arxiv +1 more source