Zobrazeno 1 - 10
of 21
pro vyhledávání: '"O. A. Ozhogina"'
Autor:
A. A. Moykin, K. V. Shirshin, L. G. Lazareva, A. S. Medzhibovskiy, E. A. Bolshakova, O. R. Ozhogina, A. V. Shishulina
Publikováno v:
Plasticheskie massy. 1:45-47
The influence of the molecular weight and composition of polyalkyl (meth) acrylate thickeners on the properties NS-3 ultralow pour point naphthenic base oil (Nynas, Sweden) was determined. Using standard experimental techniques, it has been shown tha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e52e7c203b7073ff7daff8c1392ed4bd
https://doi.org/10.35164/0554-2901-2020-11-12-45-47
https://doi.org/10.35164/0554-2901-2020-11-12-45-47
Autor:
O. A. Ozhogina
Publikováno v:
Astronomy Letters. 45:627-634
On July 12, 2014, an unusual light structure was observed in the NOAA 12109 sunspot umbra at the Horizontal Solar Telescope of the Sayan Observatory. It differed from traditional light bridges in that it was entirely within the umbra without any appa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1898e2c1cf0e175f496b10f9030422fb
https://doi.org/10.1134/s1063773719090032
https://doi.org/10.1134/s1063773719090032
Publikováno v:
Solar Physics. 291:1977-2002
We study Ca ii K profiles in structural features of the quiet chromosphere and plages using observations of two time series for two regions at the base of a coronal hole. One of the regions that we study has a low-brightness area where the reversal-f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86711968991a6dfcdb0d6cbd76f213d8
https://doi.org/10.1007/s11207-016-0951-9
https://doi.org/10.1007/s11207-016-0951-9
Publikováno v:
Astronomy Letters. 41:848-858
The equivalent widths of six weak lines (7Li I, Si I, Fe I (two lines), Ti I, and CN) at the equatorial and polar limbs are compared. The lithium line is of greatest interest, because the abundance of lithium isotopes on the Sun and stars is closely
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::220fa58764ff996f197a0451288c8258
https://doi.org/10.1134/s1063773715120130
https://doi.org/10.1134/s1063773715120130
Autor:
O. A. Ozhogina
Publikováno v:
Астрономия-2018. Том 2.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c3f23a337f69789b6d88143a2bf33e5
https://doi.org/10.31361/eaas.2018-2.046
https://doi.org/10.31361/eaas.2018-2.046
Autor:
R. B. Teplitskaya, O. A. Ozhogina
Publikováno v:
Astronomy Letters. 40:361-371
The goal of this paper is a detailed statistical analysis of the low-frequency Ca II line intensity oscillations containing information about the dynamics of the lower and middle chromosphere. A pixel-by-pixel analysis of the observed parameters has
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc2c5996cf0ceac3818d63ba904c21f2
https://doi.org/10.1134/s1063773714060061
https://doi.org/10.1134/s1063773714060061
Autor:
O. A. Ozhogina, R. B. Teplitskaya
Publikováno v:
Astronomy Letters. 39:279-289
We have investigated 15 time series of Ca II line spectrograms in quiet-Sun regions located at various distances from the disk center. Our goal is to reveal the center-to-limb variation of the brightness oscillations. The residual intensities at the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b56fd780fc7a8c2ab65f6d64c5c50f52
https://doi.org/10.1134/s1063773713030031
https://doi.org/10.1134/s1063773713030031
Publikováno v:
Meditsina truda i promyshlennaia ekologiia. (4)
Functional reliability of engine operator and engine operator's assistant is one of the most important factors in railway safety. Ability to railway locomotive operation is determined via suitability criteria of occupationally important qualities of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::3c48bdd3a7d45ea300d297f759edf6d3
https://pubmed.ncbi.nlm.nih.gov/27396149
https://pubmed.ncbi.nlm.nih.gov/27396149
Publikováno v:
Geomagnetism and Aeronomy. 50:831-842
The dynamic regime of eight regions in the quiet solar chromosphere was analyzed. Observations in CaII lines were performed with a moderate spatial resolution of around 2″. The purpose of this study was to compare the diagnostic capabilities of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b1bbce3956a3891f5beba4e09d7033e
https://doi.org/10.1134/s0016793210070017
https://doi.org/10.1134/s0016793210070017
Publikováno v:
Solar Physics. 262:53-59
Observations of the central intensity of the Ca ii K and 849.8 nm lines are used to derive the ratios of the oscillation power in the frequency ranges of the “five-minute” (W5) and “three-minute” (W3) oscillations. It is shown that at high si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8485e7f58e41ce284466f6a3c75e423
https://doi.org/10.1007/s11207-009-9503-x
https://doi.org/10.1007/s11207-009-9503-x