Results 31 to 40 of about 80,046 (233)
Assessment of natural radioactivity in bottled mineral water from Brazil
The approach taken in the WHO Guidelines for controlling radiological hazards in public water supplies has two stages. The first is an initial screening for gross alpha and beta activity to determine whether the activity concentrations are below levels ...
Marcelo Bessa Nisti +3 more
doaj +1 more source
Molecular Weight Distribution of Proteins Synthesized in Single, Identified Neurons of Aplysia [PDF]
Parietovisceral ganglia from Aplysia californica were incubated in medium containing leucine-3H. Single, identified nerve cell somas were isolated from the ganglia, and their proteins extracted and separated by electrophoresis on 5% SDS-polyacrylamide ...
Wilson, David L.
core +4 more sources
New limits on nucleon decays into invisible channels with the BOREXINO Counting Test Facility [PDF]
The results of background measurements with the second version of the BOREXINO Counting Test Facility (CTF-II), installed in the Gran Sasso Underground Laboratory, were used to obtain limits on the instability of nucleons, bounded in nuclei, for decays ...
't Hooft +139 more
core +4 more sources
Pulse-Shape discrimination with the Counting Test Facility
Pulse shape discrimination (PSD) is one of the most distinctive features of liquid scintillators. Since the introduction of the scintillation techniques in the field of particle detection, many studies have been carried out to characterize intrinsic ...
A de Bellefon +86 more
core +3 more sources
Detection of liquid xenon scintillation light with a Silicon Photomultiplier [PDF]
We have studied the feasibility of a silicon photomultiplier (SiPM) to detect liquid xenon (LXe) scintillation light. The SiPM was operated inside a small volume of pure LXe, at -95 degree Celsius, irradiated with an internal Am-241 alpha source.
Aprile +17 more
core +3 more sources
A comparative study of different radiometric methodologies for the determination of 226Ra in water
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
Direct measurement of carbon-14 in carbon dioxide by liquid scintillation counting [PDF]
Liquid scintillation counting technique is applied to the direct measurement of carbon-14 in carbon dioxide. This method has high counting efficiency and eliminates many of the basic problems encountered with previous techniques.
Horrocks, D. L.
core +1 more source
This study investigates thermo‐chemical processes during high‐temperature testing of two commercial MgO‐C brick grades, one containing 47.5 wt.% MgO‐C recyclate. Using ETV, DTA/TG‐MS, XRD, and SEM/EDS/EBSD, mechanisms such as carbothermal reduction of magnesia, impurity incorporation into the secondary MgO surface layer, and calcium‐rich phase ...
Alexander Schramm +6 more
wiley +1 more source
Characterization of radioactive aerosols in Tehran research reactor containment [PDF]
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
Rapid γ/neutron discrimination through PSD is achieved in liquid droplet containing nanostructured polymeric scintillator where a TTA‐active dye is dissolved. The inclusion of a properly selected and dosed sensitizer metalated porphyrin enhances discrimination sensitivity and speed by doubling the density of annihilating triplets and increasing the ...
Luca Pollice +9 more
wiley +1 more source

