Results 1 to 10 of about 106,690 (202)
How unusual is XRF 060218 ? [PDF]
The Astrophysical Journal, 2010 Light curves are calculated for an off-axis observer due the scattering of primary radiation by extended baryonic material. The unusually long duration and the chromaticity of the light curves above several KeV of XRF 060218 can be explained as a result ...
Eichler +5 more
core +2 more sources
XRF, PIXE and SR-XRF studies on prehistoric gold provenance
UISPP Journal, 2019 One of the most efficient methods to authenticate ancient gold artifacts and find their provenance is to identify trace elements – Sn, Sb, Te, PGA (especially Pt, Ir-Os, Pd), considered as “fingerprints” of a geological source, as ancient metallurgy ...
Bogdan Costantinescu +1 more
doaj +2 more sources
Microbiological and chemical properties of shungite water [PDF]
Proceedings of the Estonian Academy of Sciences, 2022 Shungite is used in water filters that remove Escherichia coli from water. The mechanism and spectrum of the antibacterial activity of shungite are not precisely known.
Silver Türk +5 more
doaj +1 more source
Analysis of painting Victor Meirelles’ “Passagem de Humaitá” by XRF
Brazilian Journal of Radiation Sciences, 2021 Analysis of historical artifacts, it's a multidisciplinary field of research known as archaeometry, has expanded greatly in recent years. One of the reasons for this expansion was the great effort of physicists and engineers, who focused on the ...
Renato Pereira de Freitas Pereira de Freitas +2 more
doaj +1 more source
Fracture and Structural Integrity, 2023 New developments in thermal spraying processes may offer higher-quality alternatives to hard chrome plating and possibilities for hard chrome plating in a range of coating applications.
G. J. Naveen +3 more
doaj +1 more source
Геодинамика и тектонофизика, 2022 The article discusses the history of the development of analytical research at the Institute of the Earth’s Crust, Siberian Branch of the Russian Academy of Sciences over the past 22 years.
A. V. Ivanov +5 more
doaj +1 more source
Statistical approach to interpretation of geochemical data of stream sediment in Pleše mining area
Geologija, 2022 The Ba, Pb and Zn ore deposit Pleše near Ljubljana is one of the formerly productive mines. The stream sediments were sampled and analysed by XRF to establish the effect of grain size, mineralization, and downstream location of sampling sites on ...
Simona Jarc
doaj +1 more source
Environmental Pollutants & Bioavailability, 2021 Aerosol samples (PM10 and PM2.5) were collected during the 2018-2019 dry-cold season, inside an electrostatic particle accelerator laboratory at Instituto de Física, Universidad Nacional Autónoma de México, and on the rooftop.
Salvador Reynoso-Cruces +3 more
doaj +1 more source
STUDY THE VARIATIONS OF WEATHERING LEVELS FOR SOME SOILS FORMED UNDER DIFFERENT CLIMATEIC CONDITIONS / NORTHERN IRAQ [PDF]
Mesopotamia Journal of Agriculture, 2019 Nine soil samples were selected from three different locations in Ninavah and Duhok Governorates. The locations included Makhmour, Hamdania and Zakho. The studied areas were selected according the variation of annual temperature and rainfall. Soil orders
Saleh Mawlood, Qahtan D. Essa
doaj +1 more source
Visualizing the valence states of europium ions in Eu-doped BaAl2O4 using X-ray nanoprobe mapping
Journal of Synchrotron Radiation, 2022 This study develops and successfully demonstrates visualization methods for the characterization of europium (Eu)-doped BaAl2O4 phosphors using X-ray nanoprobe techniques.
Yu-Hao Wu +10 more
doaj +1 more source