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Przejdź do strony domowej biblioteki Pedagogiczna Biblioteka Wojewódzka im. Komisji Edukacji Narodowej w Lublinie Link otwiera się w nowym oknie Logo biblioteki Prolib Integro - strona głównaPedagogiczna Biblioteka Wojewódzka im. Komisji Edukacji Narodowej w Lublinie
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Wyświetlanie 1-10 z 66
Tytuł:
Recent Trends in ILO Conventions Related to Occupational Safety and Health
Autorzy:
Wilson, D. J.
Takahashi, K.
Smith, D. R.
Yoshino, M.
Tanaka, C.
Takala, J.
Tematy:
International Labour Organization
convention
ratification
occupational safety and health
prawo pracy
prawo
umowy międzynarodowe
bezpieczeństwo i higiena pracy
Międzynarodowa Organizacja Pracy
Międzynarodowe Biuro Pracy
konwencja
ratyfikacja
Pokaż więcej
Wydawca:
Centralny Instytut Ochrony Pracy
Powiązania:
https://bibliotekanauki.pl/articles/90843.pdf  Link otwiera się w nowym oknie
Opis:
The present study was conducted to analyze the ratification status of International Labour Organization (ILO) conventions related to occupational safety and health (OSH) by ILO member states in terms of national indicators (length of ILO membership and national income status) and regional affiliation. 17 conventions designated as OSH-related by the 2003 International Labour Conference were examined. In general, countries with longer ILO membership ratified higher numbers of conventions related to OSH. With some variation, long-membership countries had the largest number of ratifications, followed by middle- and shortmembership countries in all regions. There were also incremental increases in the number of ratifications for OSH-related conventions according to the national income status. Common regional characteristics that could not be explained by the factors studied also existed. Future efforts to increase ratification at an international level will need to consider the factors influencing ratification practice among the member states.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mud-trapped herd captures evidence of distinctive dinosaur sociality
Autorzy:
Varricchio, D.J.
Sereno, P.C.
Xijin, Z.
Lin, T.
Wilson, J.A.
Lyon, G.H.
Tematy:
Cretaceous
dinosaur
sociality
Dinosauria
Ornithomimosauria
taphonomy
drought
Sinornithomimus dongi
paleontology
fossil assemblage
Pokaż więcej
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Powiązania:
https://bibliotekanauki.pl/articles/20502.pdf  Link otwiera się w nowym oknie
Opis:
A unique dinosaur assemblage from the Cretaceous beds of western Inner Mongolia preserves geologic and paleontologic data that clearly delineate both the timing and mechanism of death. Over twenty individuals of the ornithomimid Sinornithomimus dongi perished while trapped in the mud of a drying lake or pond, the proximity and alignment of the mired skeletons indicating a catastrophic mass mortality of a social group. Histologic examination reveals the group to consist entirely of immature individuals between one and seven years of age, with no hatchlings or mature individuals. The Sinornithomimus locality supports the interpretation of other, more taphonomically ambiguous assemblages of immature dinosaurs as reflective of juvenile sociality. Adults of various nonavian dinosaurs are known to have engaged in prolonged nesting and post hatching parental care, a life history strategy that implies juveniles spent considerable time away from reproductively active adults. Herding of juveniles, here documented in a Cretaceous ornithomimid, may have been a common life history strategy among nonavian dinosaurs reflecting their oviparity, extensive parental care, and multi−year maturation.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Clustering properties of 1.1 mm-selected submillimetre galaxies uncovered by AzTEC deep surveys
Autorzy:
Pollo, Agnieszka
Scott, K. S.
Kohno, K.
Takeuchi, T. T.
Hatsukade, B.
Tamura, Y.
Yun, M. S.
Aretxaga, I.
Austermann, J. E.
Nakanishi, K.
Iono, D.
Hughes, D. H.
Wilson, G. W.
Oshima, T.
Ikarashi, S.
Ezawa, H.
Kawabe, R.
Perera, T.
Williams, C. C.
Wydawca:
Astronomical Society of the Pacific
Opis:
We performed deep and wide-field surveys at 1.1 mm using AzTEC camera mounted on ASTE. We calculate the two-point angular autocorrelation functions in seven deep survey fields: AKARI Deep Field South (ADF-S), COSMOS, GOODS-N, GOODS-S, Lockman Hole East, SSA 22, and SXDF. We detect evidence for clustering signals in all the fields. By averaging the results on the bright sources measured in the ADF-S, the SSA 22, and the SXDF fields, we derived a more significant correlation function of 1.1 mm sources. A comparison of the correlation length with a bias evolution model of dark halos suggests that dark halos hosting bright 1.1 mm sources evolve into galaxy clusters in the present-day universe.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Inne
Tytuł:
Multimessenger search for exotic field emission with a global magnetometer network
Autorzy:
Shin, Y. C.
Kim, D.
Semertzidis, Y. K.
Peng, X.
Ruimi, O. M.
Park, S. Y.
Klinger, E.
Pustelny, Szymon
Givon, M.
Segura, P. C.
Kimball, D. F. Jackson
Figueroa, N. L.
Buchler, B. C.
Gavilán-Martín, D.
Wickenbrock, A.
Zhang, J.
Hedges, M. P.
Łukasiewicz, Grzegorz
Budker, D.
Stalnaker, J. E.
Kryemadhi, A.
Kornack, T.
Padniuk, Mikhail
Khamis, Sami S.
Wu, T.
Masia-Roig, H.
Guo, H.
Zhao, Y.
Kukowski, N.
Palm, C. A.
Scholtes, T.
Tandon, D.
Wilson, T. Z.
Hamilton, Paul
Afach, S.
Folman, R.
Pospelov, M.
Rosenzweig, Y.
Grujić, Z. D.
Sulai, Ibrahim A.
Weis, A.
Opis:
The history of astronomy has shown that advances in sensing methods open up new windows to the Universe and often lead to unexpected discoveries. Quantum sensor networks in combination with traditional astronomical observations are emerging as a novel modality for multimessenger astronomy. Here we develop a generic analysis framework that uses a data-driven approach to model the sensitivity of a quantum sensor network to astrophysical signals as a consequence of beyond-the-standard model (BSM) physics. The analysis method evaluates correlations between sensors to search for BSM signals coincident with astrophysical triggers, such as black hole mergers, supernovae, or fast radio bursts. Complementary to astroparticle approaches that search for particlelike signals (e.g., weakly interacting massive particles), quantum sensors are sensitive to wavelike signals from exotic quantum fields. This analysis method can be applied to networks of different types of quantum sensors, such as atomic clocks, matter-wave interferometers, and nuclear clocks, which can probe many types of interactions between BSM fields and standard model particles. We use this analysis method to carry out the first direct search utilizing a terrestrial network of precision quantum sensors for BSM fields emitted during a black hole merger. Specifically, we use the global network of optical magnetometers for exotic physics (GNOME) to perform a search for exotic low-mass field (ELF) bursts generated in coincidence with a gravitational-wave signal from a binary black hole merger (GW200311_115853) detected by LIGO/Virgo on the March 11, 2020. The associated gravitational wave heralds the arrival of the ELF burst that interacts with the spins of fermions in the magnetometers. This enables GNOME to serve as a tool for multimessenger astronomy. Our search found no significant events and, consequently, we place the first lab-based limits on combinations of ELF production and coupling parameters.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Artykuł
Tytuł:
Electronic Properties of InAs/GaAs Self-Assembled Quantum Dot Structures and Devices Studied by Photocurrent Spectroscopy
Autorzy:
Mowbray, D. J.
Fry, P. W.
Skolnick, M. S.
Itskevich, I. E.
Harris, L.
Ashmore, A. D.
Finley, J. J.
Wilson, L. R.
Schumacher, K. L.
Barker, J. A.
O'Reilly, E. P.
Al-Khafaji, M.
Cullis, A. G.
Hopkinson, M.
Clark, J. C.
Hill, G.
Tematy:
78.66.Fd
73.61.Ey
73.50.Pz
42.55.Px
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Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Powiązania:
https://bibliotekanauki.pl/articles/2014190.pdf  Link otwiera się w nowym oknie
Opis:
The power of photocurrent spectroscopy to study the electronic properties of InAs/GaAs self-assembled quantum dots is described. From comparison of results from different samples it is shown that photocurrent provides a direct means to measure absorption spectra of quantum dots. Studies in high electric field enable the electron-hole vertical alignment to be determined. Most surprisingly this is found to be opposite to that predicted by all recent predictions. Comparison with theory shows that this can only be explained if the dots contain significant amounts of gallium, and have a severely truncated shape. The nature of the ground and excited state transitions, carrier escape mechanisms from dots, in-plane wave function anisotropies and the modal gain of a quantum dot laser are determined.
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Forty years after the first dark resonance experiment : an overview of the COSMA project results
Autorzy:
Sudyka, Julia
Deans, C.
Petrov, N.
Marmugi, L.
Khanbekyan, Alek.
Rassi, D.
Tonoyan, A.
Cecchi, R.
Cartaleva, S.
Pustelny, Szymon
Mitra, S.
Marinelli, C.
Wickenbrock, A.
Wilson Gordon, A.
Papoyan, A.
Alipieva, E.
Todorov, P.
Sarkisyan, D.
Nikolov, N.
Zhivun, E.
Moi, L.
Budker, D.
Wojciechowski, Adam
Gateva, S.
Stiaccini, L.
Taslakov, M.
Drampyan, R.
Hussain, S.
Entin, V.
Krasteva, A.
Slavov, D.
Taskova, E. T.
Andreeva, C.
Mirzoyan, R.
Shmavonyan, S.
Sargsyan, A.
Margalit, L.
Biancalana, V.
Ghosh, P. N.
Mariotti, E.
Renzoni, F.
Khanbekyan, Alen
Chapovsky, P.
Dancheva, Y.
Nasyrov, K. A.
Patton, B.
Azizbekyan, H.
Gozzini, S.
Dey, S.
Gawlik, Wojciech
Tsvetkov, S.
Ozun, O.
Stabrawa, Artur
Bevilacqua, G.
Ray, B.
Wydawca:
Society of Photo-Optical Instrumentation Engineers
Opis:
COSMA: Coherent Optics Sensors for Medical Application is an European Marie Curie Project running from 2012 to March 2016, with the participation of 10 teams from Armenia, Bulgaria, India, Israel, Italy, Poland, Russia, UK, USA. The main objective was to focus theoretical and experimental research on biomagnetism phenomena, with the specific aim to develop all-optical sensors dedicated to their detection and suitable for applications in clinical diagnostics. The paper presents some of the most recent results obtained during the exchange visits of the involved scientists, after an introduction about the phenomenon which is the pillar of this kind of research and of many other new fields in laser spectroscopy, atomic physics, and quantum optics: the dark resonance.
Dostawca treści:
Repozytorium Uniwersytetu Jagiellońskiego
Inne
Wyświetlanie 1-10 z 66

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