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Статті в журналах з теми "Ceti"
Zhang, Tong, Wenge Qiu, Hongtai Zhu, Xinlei Ding, Rui Wu, and Hong He. "Promotion Effect of the Keggin Structure on the Sulfur and Water Resistance of Pt/CeTi Catalysts for CO Oxidation." Catalysts 12, no. 1 (December 22, 2021): 4. http://dx.doi.org/10.3390/catal12010004.
Повний текст джерелаNhung, Pham T., Do T. Hoai, Pham Tuan-Anh, Pierre Darriulat, Pham N. Diep, Nguyen B. Ngoc, and Tran T. Thai. "Mira Ceti, Atypical Archetype." Astrophysical Journal 927, no. 2 (March 1, 2022): 169. http://dx.doi.org/10.3847/1538-4357/ac4f61.
Повний текст джерелаMukadam, Anjum S., Agnes Kim, Oliver Fraser, D. E. Winget, S. O. Kepler, D. J. Sullivan, D. Reaves, et al. "Watching ZZ Ceti evolve." Journal of Physics: Conference Series 172 (June 1, 2009): 012074. http://dx.doi.org/10.1088/1742-6596/172/1/012074.
Повний текст джерелаDavison, NJ, MP Dagleish, EJ Dale, M. ten Doeschate, J. Muchowski, LL Perrett, M. Rocchi, AM Whatmore, and AC Brownlow. "First confirmed reports of the isolation of Brucella ceti from a Risso’s dolphin Grampus griseus and a killer whale Orcinus orca." Diseases of Aquatic Organisms 145 (July 15, 2021): 191–95. http://dx.doi.org/10.3354/dao03612.
Повний текст джерелаCastanheira, B. G., and S. O. Kepler. "Seismological studies of ZZ Ceti stars - II. Application to the ZZ Ceti class." Monthly Notices of the Royal Astronomical Society 396, no. 3 (July 1, 2009): 1709–31. http://dx.doi.org/10.1111/j.1365-2966.2009.14855.x.
Повний текст джерелаAngelucci, Clotilde Beatrice, Roberto Giacominelli-Stuffler, Marina Baffoni, Cristina Esmeralda Di Francesco, Gabriella Di Francesco, Ludovica Di Renzo, Manuela Tittarelli, et al. "Cellular Prion Protein Expression in the Brain Tissue from Brucella ceti-Infected Striped Dolphins (Stenella coeruleoalba)." Animals 12, no. 10 (May 19, 2022): 1304. http://dx.doi.org/10.3390/ani12101304.
Повний текст джерелаKepler, S. O., and B. G. Castanheira. "New pulsating ZZ ceti stars." Journal of Physics: Conference Series 172 (June 1, 2009): 012064. http://dx.doi.org/10.1088/1742-6596/172/1/012064.
Повний текст джерелаBlown, Eric James, John Kirkland, Claire McLachlan‐Smith, Jan McPherson, and Bill Anderson. "CETI. Metaphor and universal language." Early Child Development and Care 55, no. 1 (January 1990): 67–74. http://dx.doi.org/10.1080/0300443900550110.
Повний текст джерелаSzabados, L., L. L. Kiss, and A. Derekas. "The anomalous Cepheid XZ Ceti." Astronomy & Astrophysics 461, no. 2 (October 4, 2006): 613–18. http://dx.doi.org/10.1051/0004-6361:20065690.
Повний текст джерелаKanaan, A., S. O. Kepler, and D. E. Winget. "The ZZ Ceti red edge." Astronomy & Astrophysics 389, no. 3 (July 2002): 896–903. http://dx.doi.org/10.1051/0004-6361:20020485.
Повний текст джерелаДисертації з теми "Ceti"
PECH, David. "Astérosismologie des étoiles ZZ Ceti." Phd thesis, Université Paul Sabatier - Toulouse III, 2005. http://tel.archives-ouvertes.fr/tel-00010095.
Повний текст джерелаCastanheira, Bárbara Garcia. "Sismologia das estrelas ZZ Ceti." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2007. http://hdl.handle.net/10183/10467.
Повний текст джерелаWhite dwarfs are the evolutionary end point of almost 98% of all stars. The goal of this thesis is to determine the internal structure of the ZZ Ceti stars, pulsating white dwarfs with hydrogen atmosphere. Our first task was the discovery,together with our collaborators, of 43 new variables, 1/3 of all known ZZ Cetis. In the sequence we demonstrated observationally that the instability strip is probably an evolutionary stage of stellar life, which means, all white dwarfs with H atmospheres in the temperature range of 12300 ~ Teff ~ 10850K pulsate. We obtained spectra with signal-to-noise ratio higher than 70 with the Gemini telescope for 12 stars with Teff '" 12000 K, concluding that temperatures obtained with SDSS spectra are underestimated by 300:i220 K, and that the masses are over estimated by O,10:i 0,03 M0. We also obtained time series photometry with signal-to-noise ratio higher than 500, reaching detection limits of variability of 2mma, that allowed the re-classification of 4 stars as ZZ Cetis previously classified as non variables. There are still 3 stars for which it was not possible to detect variability at 2mma, that are contaminating the instability strip. In order to do the first large seismologicalstudy of ZZ Cetis, I calculated a fine grid of adiabatic models varying Teff, M, MH e MHe to determine which are the normal periods in each model. Finally, I compared the observed modes to the models, determining the internal structure of 72 ZZ Cetis. Prior to this work there were only 12 ZZ Cetis that had been studied seismologically. My main contribution was the inclusion of relative weightsproportional to the observed amplitudes in the fits. Even though I used the spectrocopic determinations as a guide, I never restrict the search for the solutions within this region, searching in the whole grid, to avoid local minima. We found that the average hydrogen mass is 1O-6.3:H.6M. and that the helium is 10-2,5:1:0,6M., and we have found strong evidence neither for accretion nor mass loss while the stars evolve through the instability strip. The average value for the H mass layer thickness is different than the canonic 10-4 M., derived by evolutionary calculations. This result indicates that some white dwarfs formed with H mass about hundred times smaller than the theoretical value, Le., it is likely that mass loss during their evolution has been more efficient than what is assumed by models. My thesis demonstrated that it is possible to do seismology, provided that there are some modes and/or the temperature and mass are reliable, with a total of 5 parameters. Our conclusion is that seismology is a powerful tool to study of internal stellar structure, even thought only a few modes are excited.
Pech, David. "Astérosismologie des étoiles ZZ ceti." Toulouse 3, 2005. https://tel.archives-ouvertes.fr/tel-00010095.
Повний текст джерелаThis thesis shows how far asteroseismological techniques, relying on observation and modeling, allow to derive the structural properties of a DAV white dwarf, especially how it becomes possible to deduce the mass of the remaining hydrogen envelope in the star. Two ZZ Ceti stars were studied : HL Tau 76 (located on the red edge of the instability strip) and G 185-32 (on the blue edge). Modeling indicates that the hydrogen envelopes in these stars have nearly the same mass: M(H)= 2. 0 (±0. 3) x 10e-4 MÔ. This result may suggest a possible constancy for the hydrogen layer mass among the DA stars class and consequently prospective constraints for cosmochronology and stellar evolution. Moreover, this thesis illustrates how far modeling might reveal some physical features such as a non-uniform stellar rotation, a non-linear coupling between resonant modes, an interaction between pulsations and convection
Silva, Karleyne Medeiros Gomes da. "Polarimetria óptica e modelagem da polar FL Ceti." Instituto Nacional de Pesquisas Espaciais, 2009. http://urlib.net/sid.inpe.br/mtc-m17@80/2009/02.04.18.04.
Повний текст джерелаCataclysmics variables (CV) are binary systems of short orbital period composed by a white dwarf and a red dwarf star that fills its Roche lobe and transfers matter to the white dwarf. In polars, a particular subclass of CVs, matter follows the magnetic field lines of the white dwarf (about 10^7 Gauss on the surface) and gives rise an accretion column. Near the surface, a shock is produced. This region is responsible for most emission from polars. This work is a study of the eclipsing polar FL Ceti using flux and polarization data obtained with the 1.60 m telescope of Observatório do Pico dos Dias in the R_c and I_c bands. We have obtained light curves and the first polarization curves for FL Cet in high state of brightness. Earlier studies have pointed out that FL Cet has two accretion columns. Our data indicate that one of them is always visible. To estimate the physical and geometrical parameters of the emitting regions of FL Cet, we have used the new code CYCLOPS (CYCLotron On Polar Shocks). It calculates the optical emission from polars considering the cyclotronic emitting process in inhomogeneous post-shock regions. The code can include one or two regions near the white dwarf surface, which can have different physical properties. With CYCLOPS, we could not find a good fit for the flux and circular polarization using the model parameters with values restricted to those found in the literature. We have, therefore, increased the range of parameters. In this situation, the flux and circular polarization of the system could be fitted independently, but the simultaneous fits were not satisfactory. Changes of the scenario and a better contraints on the geometrical parameters of the system can help in finding an adequate model to FL Cet.
Brickhill, A. J. "Finite amplitude pulsations in the ZZ Ceti stars." Thesis, University of Sussex, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.371190.
Повний текст джерелаCosta, Alex Fabiano Murillo da. "Evolução empírica da faixa de instabilidade das estrelas ZZ Ceti." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2007. http://hdl.handle.net/10183/12971.
Повний текст джерелаZZ Ceti are hydrogen atmosphere white dwarf stars that show photometric variability. In this work we study the purity and define with better precision the borders of the instability strip of the ZZ Cetis stars. We obtained times series photometric observations to identify new ZZ Ceti stars, and optical spectra for the determination of the atmospheric (Teff and log g) parameters, using atmospheric models with convection described by mixing length theory with ML2/® = 0.6. We identified 3 new ZZ Ceti stars: WDJ0000−0046, WDJ2334+0103, and WDJ1650+3010, among 67 stars for which we detected no variability up to our detection limit about 2 mma. We analyzed the mass distribution of the 170 stars we observed with S/N ¸ 70 optical spectra. We also studied the mass distribution of other samples of white dwarfs, 2253 spectra of Sloan Digital Sky Survey and 449 spectra of the Two Degree Field. In all studied distributions, we observed an increase in the mass determined for the stars cooler than the instability strip. This apparent increase occurs in a region where there is an increase in the depth of convection and in the number of neutral particles. We propose the increase in mass is not real, but caused by the form the Stark and Van der Walls broadenings are estimated in the atmospheric models. The reason we do not trust the mass increase is that the determination of masses using photometric colors, for the same stars, do not show such increase. One result from our research is that we find no constant stars inside the instability strip when we consider only our high S/N spectra. Considering the recent discovery of variable stars with amplitudes down to 1.5 mma, previously classified as not variables, we deem it necessary to restudy all stars not observed to vary around the instability strip, down to limits of 1 mma.
GHERARDI, LAURA. "Mobilità ambigua. per una sociologia dei ceti alti nella società contemporanea." Doctoral thesis, Università Cattolica del Sacro Cuore, 2009. http://hdl.handle.net/10280/401.
Повний текст джерелаThe topic of the thesis is the link between power and mobility on the higher levels of the social scale. The sample of the research is formed by more than two hundred of interviewees – among them are top managers in multinational companies, international artists and leading global academics, large proprietors and heirs of great fortunes mainly based in one of the three cities where the empirical analysis took place – Milan, Paris and London. Comparing the mobility plannings and the time schedules of these social groups, we show different forms of international mobility - and correlated structures of personal costs: mobility is a resource and at the same time a constriction weighting today on higher-grade professionals -, strategies for the presence on dislocated social scenes and differences in power on somebody else’s rhythm. These results contradict the rhetoric of contemporary managerial literature concerning the rise of an homogeneous elite of citizens of the world and indicate the specific social morphology in post-fordist capitalism.
GHERARDI, LAURA. "Mobilità ambigua. per una sociologia dei ceti alti nella società contemporanea." Doctoral thesis, Università Cattolica del Sacro Cuore, 2009. http://hdl.handle.net/10280/401.
Повний текст джерелаThe topic of the thesis is the link between power and mobility on the higher levels of the social scale. The sample of the research is formed by more than two hundred of interviewees – among them are top managers in multinational companies, international artists and leading global academics, large proprietors and heirs of great fortunes mainly based in one of the three cities where the empirical analysis took place – Milan, Paris and London. Comparing the mobility plannings and the time schedules of these social groups, we show different forms of international mobility - and correlated structures of personal costs: mobility is a resource and at the same time a constriction weighting today on higher-grade professionals -, strategies for the presence on dislocated social scenes and differences in power on somebody else’s rhythm. These results contradict the rhetoric of contemporary managerial literature concerning the rise of an homogeneous elite of citizens of the world and indicate the specific social morphology in post-fordist capitalism.
Choquet, Élodie, Julien Milli, Zahed Wahhaj, Rémi Soummer, Aki Roberge, Jean-Charles Augereau, Mark Booth, et al. "First Scattered-light Images of the Gas-rich Debris Disk around 49 Ceti." IOP PUBLISHING LTD, 2017. http://hdl.handle.net/10150/623102.
Повний текст джерелаSASSANO, Roberta. "LA CAPITANATA NAPOLEONICA ISTITUZIONI E CETI DIRIGENTI DALLE UNIVERSITÀ ALLE MUNICIPALITÀ, AI COMUNI." Doctoral thesis, Università degli studi della Basilicata, 2020. http://hdl.handle.net/11563/142033.
Повний текст джерелаКниги з теми "Ceti"
Caraker, Mary. The faces of Ceti. Boston: Houghton Mifflin, 1991.
Знайти повний текст джерелаSule Pagoda =: Kyaik Athok Ceti. [Rangoon: Sule Pagoda Trustee], 2000.
Знайти повний текст джерелаMcCollum, Michael. The sails of Tau Ceti. New York: Ballantine Books, 1992.
Знайти повний текст джерелаBellini, Andrea. Il puzzle dei ceti medi. Firenze: Firenze University Press, 2014.
Знайти повний текст джерелаCommunication with extraterrestrial intelligence (ceti). Albany: State University of New York Press, 2011.
Знайти повний текст джерелаCopyright Paperback Collection (Library of Congress), ed. The sails of Tau Ceti. New York: Ballantine Books, 1992.
Знайти повний текст джерелаMattei, Janet A. Omicron Ceti light curves: 1838-2000. Cambridge, Mass: American Association of Variable Star Observers, 2002.
Знайти повний текст джерелаLuigi, Rossi. I ceti nobiliari europei nell'800. Napoli: Edizioni scientifiche italiane, 1998.
Знайти повний текст джерелаMazzi, Maria Serena. Vita materiale e ceti subalterni nel Medioevo. Alessandria: Edizioni dell'orso, 1991.
Знайти повний текст джерелаCoda, Luisa. Ceti intellettuali e problemi economici nell'Italia risorgimentale. Cagliari: AM&D, 2001.
Знайти повний текст джерелаЧастини книг з теми "Ceti"
Rather, J. D. G. "Optical Lasers for CETI." In Astrophysics and Space Science Library, 381–88. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2959-3_57.
Повний текст джерелаO’Donoghue, Darragh. "Southern ZZ Ceti Stars." In Seismology of the Sun and the Distant Stars, 467–72. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4608-8_49.
Повний текст джерелаChristopher Clemens, J. "Seismology of the ZZ Ceti Stars." In New Eyes to See Inside the Sun and Stars, 253–60. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-4982-2_57.
Повний текст джерелаVilela, Raquel, and Leonel Mendoza. "Paracoccidioidomycosis ceti (Lacaziosis/Lobomycosis) in Dolphins." In Emerging and Epizootic Fungal Infections in Animals, 177–96. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-72093-7_9.
Повний текст джерелаLicevitch, I. S. "CETI: Historical Retrospective of Interaction of Cultures." In Astrophysics and Space Science Library, 273–77. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2959-3_38.
Повний текст джерелаHilton, W. F., and Iván Almár. "The CETI Ellipsoid and the Supernova 1987A." In Astrophysics and Space Science Library, 377. Dordrecht: Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2959-3_55.
Повний текст джерелаMelikian, N. D., and V. S. Shevchenko. "Photoelectric Observations of Flares on UV Ceti." In Flare Stars in Star Clusters, Associations and the Solar Vicinity, 31–32. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0607-5_6.
Повний текст джерелаKoester, D., and G. Vauclair. "Convection and the ZZ Ceti Instability Strip." In White Dwarfs, 429–35. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5542-7_62.
Повний текст джерелаDolez, N., G. Vauclair, J. N. Fu, and M. Chevreton. "Discovery of Two New ZZ Ceti Variables." In White Dwarfs, 485–87. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-011-5542-7_71.
Повний текст джерелаBergeron, P., and R. Lamontagne. "The ZZ Ceti Instability Strip: Facts and Fallacies." In White Dwarfs, 219–22. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0215-8_67.
Повний текст джерелаТези доповідей конференцій з теми "Ceti"
Smith, Marion. "CETI." In the 26th annual ACM SIGUCCS conference. New York, New York, USA: ACM Press, 1998. http://dx.doi.org/10.1145/288335.288517.
Повний текст джерелаCastanheira, B. G., S. O. Kepler, S. J. Kleinman, A. Nitta, L. Fraga, Klaus Werner, and T. Rauch. "Discovery of twelve ZZ Ceti stars." In 17TH EUROPEAN WHITE DWARF WORKSHOP. AIP, 2010. http://dx.doi.org/10.1063/1.3527874.
Повний текст джерелаEtoka, Sandra. "OH eruptive event in Mira Ceti." In 10th European VLBI Network Symposium and EVN Users Meeting: VLBI and the new generation of radio arrays. Trieste, Italy: Sissa Medialab, 2011. http://dx.doi.org/10.22323/1.125.0006.
Повний текст джерелаCleland-Huang, Jane. "Keynote 1: The Quest for Tau Ceti." In 2017 IEEE/ACM 1st International Workshop on Establishing the Community-Wide Infrastructure for Architecture-Based Software Engineering (ECASE). IEEE, 2017. http://dx.doi.org/10.1109/ecase.2017.17.
Повний текст джерелаFu, J. N., N. Dolez, G. Vauclair, L. Fox Machado, S. L. Kim, C. Li, M. Alvarez, et al. "The ZZ Ceti star HS 0507+0434B revisited." In 17TH EUROPEAN WHITE DWARF WORKSHOP. AIP, 2010. http://dx.doi.org/10.1063/1.3527878.
Повний текст джерелаCastanheira, Barbara G., S. O. Kepler, Joyce Ann Guzik, and Paul A. Bradley. "Seismology of White Dwarfs: The ZZ Ceti Stars." In STELLAR PULSATION: CHALLENGES FOR THEORY AND OBSERVATION: Proceedings of the International Conference. AIP, 2009. http://dx.doi.org/10.1063/1.3246572.
Повний текст джерелаBondar’, N. I., and M. M. Katsova. "ACTIVITY IN THE YOUNG SOLAR ANALOG BE CETI." In All-Russia Conference on Solar and Solar-Terrestrial Physics. The Central Astronomical Observatory of the Russian Academy of Sciences at Pulkovo, 2021. http://dx.doi.org/10.31725/0552-5829-2021-59-62.
Повний текст джерелаFabas, N., A. Lèbre, and D. Gillet. "Shock-induced polarized hydrogen emission lines in omicron Ceti." In STELLAR POLARIMETRY: FROM BIRTH TO DEATH. AIP, 2012. http://dx.doi.org/10.1063/1.3701928.
Повний текст джерелаMelikian, N. D., V. S. Tamazian, A. A. Karapetian, and A. L. Samsonyan. "Emission objects in Cyg OB7. Flare activity variation of UV Ceti." In INTERNATIONAL WORKSHOP: BINARIES INSIDE AND OUTSIDE THE LOCAL INTERSTELLAR BUBBLE. AIP, 2012. http://dx.doi.org/10.1063/1.4718588.
Повний текст джерелаLi, C., J. N. Fu, G. Vauclair, L. Fox Machado, M. Alvarez, J. Su, M. Chevreton, et al. "Preliminary result of Asteroseismology Study for the ZZ Ceti Star KUV 08368+4026." In 17TH EUROPEAN WHITE DWARF WORKSHOP. AIP, 2010. http://dx.doi.org/10.1063/1.3527873.
Повний текст джерелаЗвіти організацій з теми "Ceti"
Eason, Erik L., M. S. Giampapa, R. R. Radick, S. P. Worden, and E. K. Hege. Spectroscopic and Photometric Observations of a Five-Magnitude Flare Event on UV Ceti. Fort Belvoir, VA: Defense Technical Information Center, May 1992. http://dx.doi.org/10.21236/ada275165.
Повний текст джерелаVedder, Raymond James, and Robert Thomas Jubin. MDD Status Letter Report (AFCI CETE Milestone). Office of Scientific and Technical Information (OSTI), September 2009. http://dx.doi.org/10.2172/1042750.
Повний текст джерелаDon Middleton. ESG-CET Final Progress Title. Office of Scientific and Technical Information (OSTI), October 2011. http://dx.doi.org/10.2172/1026512.
Повний текст джерелаJubin, Robert Thomas. Milestone report - M4FT-15OR0302161 - Disposition of CETE Materials. Office of Scientific and Technical Information (OSTI), June 2016. http://dx.doi.org/10.2172/1424495.
Повний текст джерелаJubin, Robert Thomas. UDS Recovery Equipment Installation (AFCI CETE Milestone Report). Office of Scientific and Technical Information (OSTI), June 2009. http://dx.doi.org/10.2172/970894.
Повний текст джерелаJubin, Robert Thomas. Dissolver Off-gas Hot Operations Authorization (AFCI CETE Milestone Report). Office of Scientific and Technical Information (OSTI), June 2009. http://dx.doi.org/10.2172/970893.
Повний текст джерелаMARINE CORPS WARFIGHTING LAB QUANTICO VA. Principles of War Seminar Change, Security, Stability and Reconstruction (CETO Quick Look). Fort Belvoir, VA: Defense Technical Information Center, December 2004. http://dx.doi.org/10.21236/ada433332.
Повний текст джерелаMARINE CORPS WARFIGHTING LAB QUANTICO VA. CETO Quick Look: Personal Experiences With the Combined Action Program in Vietnam. Fort Belvoir, VA: Defense Technical Information Center, March 2004. http://dx.doi.org/10.21236/ada433334.
Повний текст джерелаSoloveichik, Grigorii. Center for Electrocatalysis, Transport Phenomena, and Materials (CETM) for Innovative Energy Storage - Final Report. Office of Scientific and Technical Information (OSTI), November 2015. http://dx.doi.org/10.2172/1171185.
Повний текст джерелаSperling, Brian, Jr Kewley, and Robert H. Cooperative Engagements and Levels of Interoperability (CELI) between Unmanned Aircraft Systems and the AH-64D Longbow. Fort Belvoir, VA: Defense Technical Information Center, September 2008. http://dx.doi.org/10.21236/ada488967.
Повний текст джерела