Results 181 to 190 of about 79,854 (251)

Quasar Counts and the Lagging Core Model (‘White Holes’) [PDF]

, 1974
Yuval Ne’eman
openalex   +1 more source

Benchmarking of a new integrated 3D dosimetry system against Monte Carlo calculations and an established optical CT scanner. [PDF]

Med Phys
Lakrad K, Oldham M, Quinn B, Adamson J.
europepmc   +1 more source

An Evolutionary Model for Quasars [PDF]

, 1976
N. V. Zotov, W. Davidson
openalex   +1 more source

A novel moving phantom insert for image quality assessment in magnetic resonance imaging. [PDF]

Phys Imaging Radiat Oncol
van Gameren FPD, Borman PTS, van den Berg CAT, Cole M, Koenig GR, Fast MF, van Lier ALHMW.   +6 more
europepmc   +1 more source

Observations at wavelengths of 2.2 and 4.5 centimeters of the linear polarization of radio galaxies and quasars

, 1974
J. P. Vallée, P. P. Kronberg
openalex   +1 more source

The Nature of Quasars and the Active Nuclei of Galaxies [PDF]

, 1977
Виталий Л. Гинзбург, L.M. Ozernoi   +1 more
openalex   +1 more source

Extreme quasars illuminate the fast lives of the first black holes. [PDF]

Proc Natl Acad Sci U S A
Croswell K.
europepmc   +1 more source

Search for redshifted CH2O, H2O, O2, and NH3 in Seyfert galaxies and quasars [PDF]

, 1982
Demetrios Matsakis, J. M. Bologna, P. R. Schwartz, D. L. Thacker   +3 more
openalex   +1 more source

Erratum: Simplified Photoionization Analysis of Quasar Emission Spectra

, 1973
Kris Davidson
openalex   +1 more source

Strong gravitational lenses from the Vera C. Rubin Observatory. [PDF]

Philos Trans A Math Phys Eng Sci
Shajib AJ, Smith GP, Birrer S, Verma A, Arendse N, Collett T, Daylan T, Serjeant S, LSST Strong Lensing Science Collaboration.   +8 more
europepmc   +1 more source