Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Atis Skudra"'
Autor:
Atis Skudra, Gita Revalde, Anna Zajakina, Linda Mezule, Karina Spunde, Talis Juhna, Kristiana Rancane
Publikováno v:
Journal of Photochemistry and Photobiology, Vol 10, Iss , Pp 100120- (2022)
The quick spreading of the SARS-CoV-2 virus, initiating the global pandemic with a significant impact on economics and health, highlighted an urgent need for effective and sustainable restriction mechanisms of pathogenic microorganisms. UV-C radiatio
Externí odkaz:
https://doaj.org/article/4031f617e78e4bbe825f670f6048f424
Publikováno v:
ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference; Vol 1 (2021): Environment. Technology. Resources. Proceedings of the 13th International Scientific and Practical Conference. Volume 1; 275-280
Nowadays, there is an increasing necessity to determine the concentration of different substances in the environment in low concentrations, as more and more attention is paid to environmental pollution. This work is devoted to the comparison of main
Publikováno v:
Journal of Physics: Conference Series. 2439:012013
This work is focused on obtaining and analyzing the main spectral characteristics of a high-frequency electrodeless light source filled with arsenic for use in high-precision atomic absorption analyzers. We analyzed the relative intensities of the th
Autor:
Anna Zajakina, Tālis Juhna, Linda Mezule, Gita Revalde, Atis Skudra, Madara Ziņģe, Karina Spunde
Publikováno v:
ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference; Vol 1 (2021): Environment. Technology. Resources. Proceedings of the 13th International Scientific and Practical Conference. Volume 1; 218-222
Mercury UV-C light sources are long known to be efficient for microbial inactivation and have been widely used. At the same time, the radiation, if used in inappropriate doses and spectral regimes, can also cause harmful effects to human tissue. The
Publikováno v:
Biophotonics—Riga 2020.
High-frequency electrodeless light sources are known as bright radiators with the line spectrum, characterized by high intensities and narrow line shapes. The lamp balloons are mostly made of quartz and filled with a metal and buffer gas. These light
Publikováno v:
Biophotonics—Riga 2017.
In this paper we report the current stage of the development of a cavity ring-down spectrometer (CRDS) system using exhaled human breath analysis for the diagnostics of different diseases like diabetes and later lung cancer. The portable CRDS system
Publikováno v:
Biophotonics—Riga 2017.
In this paper we report first results from the developed cavity ring-down spectrometer for application in human breath analysis for the diagnostics of diabetes and later for early detection of lung cancer. Our cavity ring-down spectrometer works in U
Publikováno v:
Plasma Processes and Polymers. 6:S183-S186
This work is devoted to the diagnostics of interaction between hydrogen and argon with the surface of SiO2 glass walls. For diagnostics of the interaction, special high-frequency electrodeless light sources were prepared, filled with pure argon of 1
Publikováno v:
Journal of Quantitative Spectroscopy and Radiative Transfer. 107:164-172
The line profiles of 184.9 nm Hg resonance line emitted from a Hg low-pressure high-frequency electrodeless discharge lamp, containing Hg 198 isotope, have been measured by means of a Zeeman scanning spectrometer at the mercury cold spot temperature
Publikováno v:
Plasma Processes and Polymers. 4:S1026-S1029
The high-frequency electrodeless light sources (HFELS) are widely used as bright radiators of narrow and intense spectral lines covering the region from VUV to IR. Special HFELS filled with pure helium at pressures from 0.2 to 5 Torr were prepared fo