Results 81 to 90 of about 515 (214)
Aggregate, Volume 7, Issue 2, February 2026.The integration of metal nanoclusters (MNCs) with reticular frameworks (RFs) has recently emerged as a powerful strategy to create composite materials with enhanced and synergistic functionalities. This review provides an overview of the synthetic strategies developed for constructing MNCs/RFs composites and their recent advances in biomedical ...
Wenfeng Liu +3 more
wiley +1 more source
Balmer line shifts in quasars [PDF]
, 2016 We offer a broad review of Balmer line phenomenology in type 1 active galactic nuclei, briefly summarising luminosity and radio loudness effects, and discussing interpretation in terms of nebular physics along the 4D eigenvector 1 sequence of quasars. We
Marziani, Paola +5 more
core +1 more source
Medical Physics, Volume 53, Issue 2, February 2026.Abstract Background Stereotactic arrhythmia radioablation (STAR) has emerged as a salvage treatment for patients with ventricular tachycardia, and the MR‐linacs offer MRI‐guidance during such treatment. However, available workflows on MR‐linacs are not yet optimized and characterized dedicatedly to perform heart radiotherapy due to a lack of realistic ...
Manon M. N. Aubert +10 more
wiley +1 more source
Discovery of 19 strongly lensed, dual, or projected quasars in DESI-LS [PDF]
We report the results of a follow-up spectroscopic confirmation of two lensed quasars, six dual quasars, and eleven projected quasars that had previously been identified as lensed-quasar candidates in our earlier work.
Nan Li +7 more
core +1 more source
The Astrophysical Journal LettersWe investigate large-scale gas kinematics in the multiphase circumgalactic medium (CGM) using the observed correlation between line width (Doppler b parameter) and column density ( N ) for H i and O vi absorbers. Leveraging extensive public galaxy survey
Zhijie Qu +4 more
doaj +1 more source
Quasars vs. Microquasars: Scaling and Particle Acceleration [PDF]
Quasars and microquasars both contain accreting black holes and power nonthermal radio sources but differ in more than their scales: Quasars are proportionally much more efficient accelerators of energetic electrons.
Katz, J. I.
core +1 more source
Clustering and redshift-space distortions in QSO and galaxy surveys [PDF]
, 2006 In this thesis, we exploit the potential of existing QSO and galaxy surveys for investigating the nature of the large scale structure in the Universe. A detailed analysis of clustering and redshift- space distortions allows us to constrain cosmological ...
Cruz da Angela, José Antonio +1 more
core
High-resolution images of five radio quasars at early cosmological epochs [PDF]
, 2010 Context. Until now, there have only been seven quasars at z > 4.5 whose the high-resolution radio structure had been studied in detail with Very Long Baseline Interferometry (VLBI) imaging. Aims.
L. I. Gurvits +4 more
core +1 more source
New optical surveys for gravitationally lensed quasars [PDF]
, 2002 Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 2002.Includes bibliographical references (p. 209-215).This thesis describes four new optical surveys for gravitationally lensed quasars.
Morgan, Nicholas D., 1975-
core
THE RADIO STRUCTURE OF EXTENDED QUASARS .2. THE RADIO-EMISSION ON PC-SCALES AND KPC-SCALES [PDF]
, 1992 VLBI and VLA observations of the nuclear and overall radio structures are presented for eight quasars possessing large double-lobed radio emission. On milli-arcsec scales, the nuclei of five sources show an asymmetric (core-jet) morphology, one has a ...
SCHILIZZI, RT +3 more
core +2 more sources