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Wyszukujesz frazę "Kovács, J." wg kryterium: Autor

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    Wyświetlanie 1-8 z 8
    Tytuł:
    Migration Coverage in Europe, Russia and the United States
    Autorzy:
    Kreutler, Marcus
    Fengler, Susanne
    Asadi, Nastaran
    Bodrunova, Svetlana
    Budivska, Halyna
    Diop, Layire
    Ertz, Georgia
    Gigola, Daria
    Katus, Eszter
    Kovacs, Denisa
    Kuś, Michał
    Láb, Filip
    Litvinenko, Anna
    Mack, Johanna
    Maier, Scott
    Pinto Martinho, Ana
    Matei, Antonia
    Miller, Kaitlin C.
    Oppermann, Lisa
    Pérez Vara, Eva
    Polyák, Gábor
    Ravisankar, Rajeev
    Rodríguez Pérez, Carlos
    Semova, Dimitrina J.
    Skleparis, Dimitris
    Splendore, Sergio
    Štefaniková, Sandra
    Szynol, Adam
    Telo, Décio
    Zguri, Rrapo
    Powiązania:
    https://bibliotekanauki.pl/articles/2152496.pdf
    Data publikacji:
    2022-09-22
    Wydawca:
    Polskie Towarzystwo Komunikacji Społecznej
    Tematy:
    comparative analysis
    journalism
    migration
    refugee
    media coverage
    Opis:
    Six years after the so-called ‘refugee crisis’ in 2015, the European Union remains divided on questions of migration and asylum policy. The issue also remains high on the agendas of the USA and Russia, two other key destination countries with immigration from Latin America and the Post-Soviet space. This article presents results from a comparative study of news coverage in 17 countries, focusing on 10 EU member states in Western and Central Eastern Europe (CEE), the USA and Russia. The intensity of coverage was remarkably different, with Hungary’s and Germany’s media standing out while Russian media displayed relatively low levels of coverage. Individual migrants and refugees were most visible in the two outlets from the USA. Media in CEE countries tended towards a more critical approach than media in Western Europe. However, differences between most countries’ pairs of analyzed media outlets indicate a more pluralistic debate than frequently assumed.
    Źródło:
    Central European Journal of Communication; 2022, 15, 2(31); 202-226
    1899-5101
    Pojawia się w:
    Central European Journal of Communication
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Distribution of indoor radon concentrations between selected Hungarian thermal baths
    Autorzy:
    Shahrokhi, A.
    Nagy, E.
    Csordás, A.
    Somlai, J.
    Kovács, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/147307.pdf
    Data publikacji:
    2016
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    AlphaGUARD
    CR-39
    EU BSS
    Hungary
    radon
    thermal bath
    Opis:
    Owing to the high potential of radon to increase the risk of lung cancer, health organizations are enforced to update their regulations and recommendations regarding indoor radon levels each year. In this study, the indoor radon concentrations of three randomly selected thermal baths in Hungary using CR-39 and an AlphaGUARD radon monitor were measured with regard to the new updated standards of the European Basic Safety Standard (EU BSS, Council Directive 2013/59/Euratom, 2014). The annual average of indoor radon concentrations in Parad Medical Bath, Igal Health Spa and Eger Turkish Bath were measured as 159 ± 19, 176 ± 27 and 301 ± 30 Bq/m3, respectively. Indoor radon concentration in all measurement locations were determined to be below the reference level, with the exception of the main pool, small pool and sparkling bath areas in the Eger Turkish Bath that were measured as 403 ± 42, 315 ± 32 and 354 ± 36 Bq/m3, respectively. In light of the results, the estimated annual average radon concentration in the thermal baths was below the EU BSS reference level of 300 Bq/m3. Personal dosimetry is required to estimate the annual effective dose from inhaled radon by the workers at the Eger Turkish Bath. This procedure is required in order to justify the application of the mitigation process of decreasing working hours, improving the ventilation rate or increasing the number of classified employees in response to the official radiation surveillance programme.
    Źródło:
    Nukleonika; 2016, 61, 3; 333-336
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Preliminary results of radon survey in thermal spas in V4 countries
    Autorzy:
    Műllerová, M.
    Mazur, J.
    Blahušiak, P.
    Grządziel, D.
    Holý, K.
    Kovács, T.
    Kozak, K.
    Nagy, E.
    Neznal, M.
    Shahrokhi, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/146825.pdf
    Data publikacji:
    2016
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    indoor radon
    thermal spas
    thermal water
    Opis:
    Radon concentration was measured in 11 thermal spas in Visegrad countries (Czech Republic, Hungary, Poland, and Slovakia). The results showed that in 84% of spas radon activity concentration is less than 400 Bq·m–3. However, areas with radon activity concentration exceeding 1000 Bq·m–3 were found in the Czech Republic and Slovakia as well. Preliminary analyses indicated that the highest radon activities in spas were found in places with thermal pools. Radon concentration in waters used in spas ranged from 0.5 Bq/l to 384 Bq/l. The influence of radon activity concentration in water on radon activity in the air inside the spa was observed. It was found to increase indoor radon with increasing radon in the waters. Correlation with indoor radon and radon in water was more significant for baths and less significant for pool waters. In the cases filling of the bath from water taps, significantly contribute to the increased radon was observed in the pool and bath areas of the spa.
    Źródło:
    Nukleonika; 2016, 61, 3; 303-306
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Thoron emanation and exhalation of Slovenian soils determined by a PIC detector-equipped radon monitor
    Autorzy:
    Jónás, J.
    Sas, Z.
    Vaupotic, J.
    Kocsis, E.
    Somlai, J.
    Kovács, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/146850.pdf
    Data publikacji:
    2016
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    emanation
    exhalation
    gamma spectrometry
    PIC detector
    soil
    thorium
    thoron
    Opis:
    The health risk from thoron (Rn-220) is usually ignored owing to its short half-life (55.6 s), but the generated thoron decay products can cause a significant dose contribution. In this study, altogether 51 Slovenian soil samples were investigated using an accumulation chamber technique to obtain information about thoron exhalation features. The obtained (massic) thoron exhalation results varied between 6.9 and 149 mBq•kg–1•s–1 (average: 55.2 mBq•kg –1•s–1). The Th-232 content was determined using HPGe gamma spectrometry. The Th-232 activity concentration ranged between 9.3 and 161.7 Bq•kg–1 (average: 64.6 Bq•kg –1). The thoron emanation features were also calculated from the obtained results (2.9 to 21.2% with an average of 8.6%). The thoron exhalation and emanation properties were compared with the radon exhalation and emanation features determined in a previous study. It was found that there was no correlation between the radon and thoron emanation features, according to the obtained data. This can be explained by the different Ra-224 and Ra-226 distributions in the soil grains. As a result, the thoron emanation factor cannot be predicted from radon emanation and vice versa.
    Źródło:
    Nukleonika; 2016, 61, 3; 379-384
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    An Icosahedral Quasicrystal as a Packing of Regular Tetrahedra
    Autorzy:
    Fang, F.
    Kovacs, J.
    Sadler, G.
    Irwin, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/1202974.pdf
    Data publikacji:
    2014-08
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    61.44.Br
    61.46.-w
    Opis:
    We present the construction of a dense, quasicrystalline packing of regular tetrahedra with icosahedral symmetry. This quasicrystalline packing was achieved through two independent approaches. The first approach originates in the Elser-Sloane 4D quasicrystal. A 3D slice of the quasicrystal contains a few types of prototiles. An initial structure is obtained by decorating these prototiles with tetrahedra. This initial structure is then modified using the Elser-Sloane quasicrystal itself as a guide. The second approach proceeds by decorating the prolate and oblate rhombohedra in a 3-dimensional Ammann tiling. The resulting quasicrystal has a packing density of 59.783%. We also show a variant of the quasicrystal that has just 10 "plane classes" (compared with the 190 of the original), defined as the total number of distinct orientations of the planes in which the faces of the tetrahedra are contained. This small number of plane classes was achieved by a certain "golden rotation" of the tetrahedra.
    Źródło:
    Acta Physica Polonica A; 2014, 126, 2; 458-460
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Redox-regulation of S-nitrosoglutathione reductase
    Autorzy:
    Holzmeister, C.
    Kovacs, I.
    Romling, G.
    Wirtz, M.
    Durner, J.
    Lindermayr, C.
    Powiązania:
    https://bibliotekanauki.pl/articles/80722.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    conference
    nitric oxide
    signalling molecule
    S-nitrosoglutathione
    protein
    glutathione level
    redox signalling
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 2
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Radon and thoron parallel measurements in dwellings nearby a closed Hungarian uranium mine
    Autorzy:
    Németh, C.
    Jobbágy, V.
    Kávási, N.
    Somlai, J.
    Kovács, T.
    Tokonami, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/148705.pdf
    Data publikacji:
    2010
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    radon
    thoron
    dwelling
    Opis:
    Integrated measurements of radon (222Rn) and thoron (220Rn) were executed in a Hungarian village, located in the vicinity of an abandoned uranium mine. The applied passive radon and thoron monitor was the RADUET which is based on a CR-39 track detector. The investigated 35 houses were one storey buildings made of bricks. The rock under the village is a gray-sandstone with an average of 136 and 77 Bqźkg–1 uranium and thorium, respectively. The detectors were mostly placed in the inhabited areas of the houses, such as bedrooms and living-rooms, at a height of 1–1.5 m close to the wall. The measurement periods were between December 2006 and May 2007 and between May 2007 and February 2008. Annual averages of radon concentrations were calculated applying seasonal correction factors to the results of the two measurement periods. The results show that the radon concentrations in the case of considerable part of the investigated dwellings seems to be significantly higher than the Hungarian averages for ground-floor houses (152 Bqźm–3). The thoron concentrations in some cases are also not negligible indicating that radon measurements which are sensitive to thoron can be misleading. Additionally, thoron can also be a contributor of extra dose.
    Źródło:
    Nukleonika; 2010, 55, 4; 459-462
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Comparative study on the Late Cenozoic red clay deposits from China and Central Europe (Hungary)
    Autorzy:
    Kovács, J.
    Varga, G.
    Dezső, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/2059097.pdf
    Data publikacji:
    2008
    Wydawca:
    Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
    Tematy:
    Hungary
    China
    Pliocene
    red clay
    palaeoenvironment
    aeolian deposits
    Opis:
    In the eastern Loess Plateau region of Northern China, the Quaternary loess-palaeosol se quences of the last 2.6 Ma are underlain by the Hipparion Red-Earth Formation (namely the "Red Clay"). The red clay is also a significant deposit in Hungary, the origin of which is controversial. This paper is a comparative study of the Central European (Hungarian) red clay succession and the Xifeng Red Clay profile, the type section for this deposits in the eastern Loess Plateau region. Optical microscopic and SEM analysis were used for grain-size measurements, and both major- and trace-element geochemical properties were analysed to ad dress the question of the origin of Hungarian red clay as well as its environmental implication. We compare the Xifeng Upper Red-Earth (age: ~3.6 to 2.6 Ma BP) with the Hungarian, Tengelic Red Clay Formation (age: ~3.5 to 1.0 Ma BP); both are aeolian deposits ~ genetically related to the Quaternary loess -palaeosol sequence.
    Źródło:
    Geological Quarterly; 2008, 52, 4; 369-369
    1641-7291
    Pojawia się w:
    Geological Quarterly
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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