Results 71 to 80 of about 4,278,679 (301)
Advanced Science, EarlyView.A microneedle spoilage sensor for packaged food products is presented. The sensor is composed entirely of food‐derived agents, integrated together using a novel material processing approach. This resultant platform nondestructively reports spoilage state in real‐time through a colorimetric output.
Shadman Khan +5 more
wiley +1 more source
A New Physical Picture for Active Galactic Nuclei Lacking Optical Emission Lines
The Astrophysical Journal, 2023 In this work, we use ∼500 low-redshift ( z ∼ 0.1) X-ray active galactic nuclei (AGNs) observed by XMM-Newton and the Sloan Digital Sky Survey (SDSS) to investigate the prevalence and nature of AGNs that apparently lack optical emission lines (“optically ...
Christopher J. Agostino +4 more
doaj +1 more source
A TWO-PARAMETER MODEL FOR THE INFRARED/SUBMILLIMETER/RADIO SPECTRAL ENERGY DISTRIBUTIONS OF GALAXIES AND ACTIVE GALACTIC NUCLEI [PDF]
, 2014 A two-parameter semi-empirical model is presented for the spectral energy distributions of galaxies with contributions to their infrared–submillimeter–radio emission from both star formation and accretion disk-powered activity.
D. Dale +5 more
semanticscholar +1 more source
Journal of the Association for Information Science and Technology, EarlyView.Abstract Provenance is the story of how something has come to be. In this paper, we provide a systematic literature review to categorize the various notions of provenance in Information Sciences. The goal of this review is to paint a broader picture of the multiple uses of provenance at play and to enhance our understanding of the importance of ...
Rhiannon Bettivia +2 more
wiley +1 more source
EXPLORING THE LOW-MASS END OF THE MBH–σ* RELATION WITH ACTIVE GALAXIES [PDF]
, 2011 We present new measurements of stellar velocity dispersions, using spectra obtained with the Keck Echellette Spectrograph and Imager (ESI) and the Magellan Echellette (MagE), for 76 Seyfert 1 galaxies from the recent catalog of Greene & Ho. These objects
T. Xiao +6 more
semanticscholar +1 more source
Astronomische Nachrichten, EarlyView.ABSTRACT Isochrones, equal‐age curves, are widely used in astrophysics to estimate stellar ages. Classical stellar parameters are, however, very limited in their usability for main sequence stars because of their weak age‐dependence. Here, rotation period measurements provide complementary information.
David Gruner, Sydney A. Barnes
wiley +1 more source
EVIDENCE FOR WIDE-SPREAD ACTIVE GALACTIC NUCLEUS-DRIVEN OUTFLOWS IN THE MOST MASSIVE z ∼ 1–2 STAR-FORMING GALAXIES [PDF]
, 2014 In this paper, we follow up on our previous detection of nuclear ionized outflows in the most massive (log(M*/M☉) ⩾ 10.9) z ∼ 1–3 star-forming galaxies by increasing the sample size by a factor of six (to 44 galaxies above log(M*/M☉) ⩾ 10.9) from a ...
R. Genzel +37 more
semanticscholar +1 more source
Batteries &Supercaps, EarlyView.Cycling water‐in‐salt batteries involves complex degradation processes that require multiprobe analysis. Using online electrochemical mass spectrometry (OEMS), postmortem X‐ray photoemission spectroscopy (XPS) (including hard‐XPS), and scanning electron microscopy (SEM), the degradation mechanisms are examined in composite electrodes (TiS2 and LiFePO4)
Célia Doublet +7 more
wiley +1 more source
The [O iii] Profiles of Far-infrared Active and Inactive Optically Selected Green Valley Galaxies [PDF]
, 2023 Antoine Mahoro +10 more
openalex +1 more source
Mapping the Active Galactic Nucleus Effects on the Stellar and Gas Properties of NGC 5806
The Astrophysical JournalIt is commonly accepted that active galactic nuclei (AGNs) have a strong impact upon the evolution of their host galaxies, but the processes by which they do so are not fully understood.
Sophie L. Robbins +2 more
doaj +1 more source