Results 41 to 50 of about 2,931,829 (352)

Geometrical tests of cosmological models. III. The cosmology-evolution diagram at z=1 [PDF]

, 2007
The rotational velocity of distant galaxies, when interpreted as a size (luminosity) indicator, may be used as a tool to select high redshift standard rods (candles) and probe world models and galaxy evolution via the classical angular diameter-redshift ...
A. Iovino, A. Mazure, A. Saintonge, A. Zanichelli, Arnouts, B. Garilli, Bamford, Barden, Bottini, Bouwens, Bower, Böhm, C. J. Walcher, C. Marinoni, D. Bottini, D. Maccagni, de Jong, E. Zucca, Elmegreen, Ferguson, Forbes, G. Guzzo, G. Vettolani, Giavalisco, Ilbert, J. P. Picat, J.-M. Virey, Juneau, K. L. Masters, L. Tresse, Le Fèvre, Lilly, Lilly, Lima, M. P. Haynes, M. Scodeggio, Madau, Marinoni, Marinoni, Milvang-Jensen, Mo, O. Ilbert, O. Le Fevre, Oke, P. Taxil, Paltani, R. Giovanelli, R. Scaramella, Ravindranath, Reshetnikov, Rix, Roche, S. Bardelli, Saintonge, Saintonge, Sandage, Sandage, Schade, Schlegel, Simard, Simard, Stoughton, T. Contini, Tresse, Tully, Tully, V. Le Brun, Vogt, White   +68 more
core   +5 more sources

SIMULATION OF RESEARCH BY METHOD OF SET MODE INJECTIONINTO LOW-PERMEABILITY COLLECTORS

Известия высших учебных заведений: Нефть и газ, 2016
The research is devoted to a discussion of the impact of fracture parameters in the curves of changes in pressure and flow rate of the injected fluids during hydrodynamic studies by established pumping regimes in the injection well with a crack ...
E. Z. Valeeva, G. F. Asalkhuzina, A. Ya. Davletbaev   +2 more
doaj   +1 more source

The S2N2 metallicity calibrator and the abundance gradient of M 33

, 2007
We introduce the log(Ha/[SII]6717+6731) vs. log(Ha/[NII]6583) (S2N2) diagnostic diagram as metallicity and ionisation parameter indicator for HII regions in external galaxies.
Corradi, R. L. M., Delgado-Inglada, G., Magrini, L., Mampaso, A., Viironen, K.   +4 more
core   +1 more source

Development of a mathematical model for technical diagnostics of reciprocating compressors for the rocket and space complex [PDF]

Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение"
The article examines a piston compressor as the object of diagnostics, which is a part of the compressor equipment complex for the production, storage, and distribution of gases at launch sites providing launch vehicles.
R. R. Khotsky, A. V. Burakov, L. G. Kuznetsov   +2 more
doaj   +1 more source

Does the butterfly diagram indicate a solar flux-transport dynamo? [PDF]

Astronomy & Astrophysics, 2004
We address the question whether the properties of the observed latitude-time diagram of sunspot occurence (the butterfly diagram) provide evidence for the operation of a flux-transport dynamo, which explains the migration of the sunspot zones and the period of the solar cycle in terms of a deep equatorward meridional flow.
Schüssler, M., Schmitt, D.
openaire   +3 more sources

An indicator of the multiple equilibria regime of the Atlantic meridional overturning circulation [PDF]

, 2010
Recent model results have suggested that there may be a scalar indicator ? monitoring whether the Atlantic meridional overturning circulation (MOC) is in a multiple equilibrium regime. The quantity ?
Clark, De Vries, Dijkstra, Dijkstra, Dijkstra, Dijkstra, Garzoli, Gouretski, Gregory, Henk A. Dijkstra, Kuhlbrodt, Levitus, Manabe, Matthijs den Toom, Rahmstorf, Rahmstorf, Rahmstorf, Rahmstorf, Schmittner, Selma E. Huisman, Stommel, Stouffer, Sybren Drijfhout, Trenberth, Van Aken, Vellinga, Walin, Weber, Weijer, Wunsch, Yin   +30 more
core   +1 more source

WORKING PROCESS OF INTERNAL COMBUSTION ENGINE RUNNING ON ENRICHED HYDROGEN GASOLINE-AIR MIXTURE

Весці Нацыянальнай акадэміі навук Беларусі: Серыя фізіка-тэхнічных навук, 2018
The effect of hydrogen additives on the working process of a piston-type gasoline engine is studied. The indicator diagram has been built, and the operation of the piston engine on gasoline-air mixtures enriched with hydrogen in the amount of 0…20 % of ...
M. S. Assad, O. G. Penyazkov, I. N. Tarasenko   +2 more
doaj   +1 more source

Fredholm indices and the phase diagram of quantum Hall systems [PDF]

Journal of Mathematical Physics, 2001
The quantized Hall conductance in a plateau is related to the index of a Fredholm operator. In this paper we describe the generic “phase diagram” of Fredholm indices associated with bounded and Toeplitz operators. We discuss the possible relevance of our results to the phase diagram of disordered integer quantum Hall systems.
Avron, J. E., Sadun, L.
openaire   +3 more sources

A 3 dimensional diagnostic diagram for Seyfert 2s: probing X-ray absorption and Compton thickness

, 1998
We present and discuss a "3-dimensional" diagnostic diagram for Seyfert2 galaxies obtained by means of X-ray and [OIII] data on a large sample of objects (reported in the Appendix). The diagram shows the Kalpha iron line equivalent width as a function of
Alonso-Herrero A., Antonucci R., Bergeron J., Brandt W. N., Comastri A., Crawford C. S., De Grijp M. H. K., Diaz A. I., Durret F., Fabian A. C., Fukazawa Y., G. Matt, G. Risaliti, G. Zamorani, Ghisellini G., Ghisellini G., Hayashi I., Heckman T. M., Ishisaki Y., Iwasawa K., Iwasawa K., Iwasawa K., Iwasawa K., L. Bassani, Leahy D. A., M. Dadina, M. Salvati, Maiolino R., Makishima K., Malaguti G., Matt G., Matt G., Matt G., Ogasaka Y., Oliva E., Perez E., R. Della Ceca, R. Maiolino, Smith D. A., Terlevich R., Ueno S., Veron P., Veron-Cetty M. P., Vignali C, Winkler H., Xue S. J.   +45 more
core   +1 more source

Spectral Signatures of KiloHertz Quasi-Periodic Oscillations from Accreting Neutron Stars [PDF]

, 2000
Correlations discovered between millisecond timing properties and spectral properties in neutron star x-ray binaries are described and then interpreted in relation to accretion flows in the systems.
Kaaret, Philip
core   +3 more sources