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543 Matching Results
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Black Hole Growth Is Mainly Linked to Host-galaxy Stellar Mass Rather Than Star Formation Rate
This article investigates the dependence of black hole accretion rate (BHAR) on host-galaxy star formation rate (SFR) and stellar mass in the CANDELS/GOODS-South field in the redshift range of 0.5 ⩽ z < 2.0.
Date:
June 15, 2017
Creator:
Yang, G.; Chen, C. -T. J.; Vito, F.; Brandt, William Nielsen; Alexander, David M.; Luo, Bin et al.
System:
The UNT Digital Library
Black Hole Mass and Growth Rate at High Redshift
This article presents new H- and K-band spectroscopy of 15 high-luminosity active galactic nuclei at redshifts 2.3-3.4 obtained with Gemini South.
Date:
August 27, 2007
Creator:
Netzer, Hagai; Lira, Paulina; Trakhtenbrot, Benny; Shemmer, Ohad & Cury, Iara
System:
The UNT Digital Library
Black Hole Mass and Growth Rate at z ≃4.8: A Short Episode of Fast Growth Followed by Short Duty Cycle Activity
This article presents H-band spectroscopy for a flux-limited sample of 40 z≃ 4.8 active galactic nuclei, selected from the Sloan Digital Sky Survey.
Date:
December 10, 2010
Creator:
Trakhtenbrot, Benny; Netzer, Hagai; Lira, Paulina & Shemmer, Ohad
System:
The UNT Digital Library
Bold-Independent Computational Entropy Assesses Functional Donut-Like Structures in Brain fMRI Images
This article introduces a novel technique of fMRI images analysis, called computational proximity method, i.e., nucleus clustering in Voronoï tessellations.
Date:
February 1, 2017
Creator:
Peters, James F.; Ramanna, Sheela; Tozzi, Arturo & Inan, Ebubekir
System:
The UNT Digital Library
Brain, Music, and Non-Poisson Renewal Processes
Article discussing research that shows both music composition and brain function, as revealed by the electroencephalogram (EEG) analysis, are renewal non-Poisson processes living in the nonergodic dominion.
Date:
June 21, 2007
Creator:
Bianco, Simone; Ignaccolo, Massimiliano; Rider, Mark S.; Ross, Mary J.; Winsor, Phil & Grigolini, Paolo
System:
The UNT Digital Library
Breakdown of the Onsager Principle as a Sign of Aging
Article discussing the breakdown of the Onsager principle as a sign of aging.
Date:
July 19, 2011
Creator:
Allegrini, Paolo; Aquino, Gerardo; Grigolini, Paolo; Palatella, Luigi & Rosa, Angelo
System:
The UNT Digital Library
Bridging Waves and Crucial Events in the Dynamics of the Brain
This article establishes an approach that simultaneously detects the statistical properties of crucial events and a connection with the wave-like nature of brain dynamics.
Date:
August 29, 2018
Creator:
Bohara, Gyanendra; West, Bruce J. & Grigolini, Paolo
System:
The UNT Digital Library
A brief guide to polymer characterization: structure (IUPAC Technical Report)
Article states that to bolster the series of Brief Guides released by International Union of Pure and Applied Chemistry, the authors introduce the first Brief Guide to Polymer Characterization. This article provides a concise overview of characterization methods for teachers, students, non-specialists, and newcomers to polymer science as well as being a useful manual for researchers and technicians.
Date:
August 16, 2023
Creator:
Topham, Paul D.; Boucher, Raymond J.; Chang, Taihyun; Smrčková, Miroslava D.; Farrell, Wesley S.; He, Jiasong et al.
System:
The UNT Digital Library
Brittle and Ductile Behavior in Carbon Nanotubes
Article discussing research on the response of carbon nanotubes to a tensile load.
Date:
November 23, 1998
Creator:
Buongiorno Nardelli, Marco; Yakobson, Boris I. & Bernholc, Jerry
System:
The UNT Digital Library
Broadband Absorption in Patterned Metal/Weakly-Absorbing-Spacer/Metal with Graded Photonic Super-Crystal
Article studying high light absorption in two devices: a stack of Au-pattern/insulator/Au-film and a stack of Au-pattern/weakly-absorbing-material/Au-film where the Au-pattern was structured in graded photonic super-crystal. Multiple-band absorption, including one near 1500 nm, in a stack of Au-pattern/spacer/Au-film was observed.
Date:
April 8, 2021
Creator:
Kamau, Steve; Hassan, Safaa; Alnasser, Khadijah; Zhang, Hualiang; Cui, Jingbiao & Lin, Yuankun
System:
The UNT Digital Library
Broadband light-matter interaction due to resonance cavities in graded photonic super-crystals
This article reports the formation of resonance cavities within graded photonic super-crystals (GPSCs) with unit cells formed via a near-uniform central region with eight side graded regions.
Date:
August 29, 2019
Creator:
Lin, Yuankun; Hassan, Safaa; Sale, Oliver; Alnasser, Khadijah; Hurley, Noah; Zhang, Hualiang et al.
System:
The UNT Digital Library
Can X-Ray Observations Improve Optical-UV-based Accretion-rate Estimates for Quasars?
Article presents a study utilizing a carefully selected sample of 53 radio-quiet quasars that have Hβ and C iv λ1549 spectroscopy as well as Chandra coverage, to search for a robust accretion-rate indicator for quasars, particularly at the highest-accessible redshifts (z ∼ 6–7).
Date:
May 23, 2022
Creator:
Marlar, Andrea
System:
The UNT Digital Library
Canonical and noncanonical equilibrium distribution
Article discussing research on canonical and noncanonical equilibrium distribution.
Date:
2001
Creator:
Annunziato, Mario; Grigolini, Paolo & West, Bruce J.
System:
The UNT Digital Library
Carbon K-shell x-ray and Auger-electron production in hydrocarbons and carbon oxides by 0.6-2.0-MeV protons
Article discussing research on carbon K-shell x-ray and Auger-electron production in hydrocarbons and carbon oxides by 0.6-2.0-MeV protons.
Date:
May 1, 1987
Creator:
Bhalla, R. P.; McDaniel, Floyd Del. (Floyd Delbert), 1942- & Lapicki, Gregory
System:
The UNT Digital Library
Carbon Nanotube-Metal Cluster Composites: A New Road to Chemical Sensors?
Article on carbon nanotube-metal cluster composites proposed as prototype systems for molecular recognition at the nanoscale.
Date:
March 31, 2005
Creator:
Zhao, Qingzhong; Buongiorno Nardelli, Marco; Lu, W. & Bernholc, Jerry
System:
The UNT Digital Library
Carrier-Envelope Phase Effect on Atomic Excitation by Few-Cycle rf Pulses
Article on carrier-envelope phase effect on atomic excitation by few-cycle rf pulses.
Date:
March 8, 2010
Creator:
Li, Hebin; Sautenkov, Vladimir A.; Rostovtsev, Yuri V.; Kash, Michael M.; Anisimov, Petr M.; Welch, George R. et al.
System:
The UNT Digital Library
Chandra and Magellan/FIRE follow-up observations of PSO167–13: An X-ray weak QSO at z = 6.515
This article presents the results of follow-up observations of the z = 6.515 radio-quiet QSO PSO167–13, which is interacting with a close companion galaxy with the goal to confirm the existence of the X-ray source and to investigate the rest-frame UV properties of the QSO. The authors observed the PSO167–13 system with Chandra/ACIS-S (177 ks) and obtained new spectroscopic observations (7.2 h) with Magellan/FIRE.
Date:
May 27, 2021
Creator:
Vito, F.; Brandt, William Nielsen; Ricci, F.; Congui, E.; Connor, T.; Bañados, E. et al.
System:
The UNT Digital Library
The Chandra Deep Field-South Survey: 2 Ms Source Catalogs
This article presents point-source catalogs for the ≈2 Ms exposure of the Chandra Deep Field-South.
Date:
April 21, 2008
Creator:
Luo, Bin; Bauer, Franz E.; Brandt, William Nielsen; Alexander, David M.; Lehmer, Bret; Schneider, Donald P. et al.
System:
The UNT Digital Library
The Chandra Deep Field-South Survey: 4 Ms Source Catalogs
This article presents source catalogs for the 4 Ms Chandra Deep Field-South.
Date:
May 24, 2011
Creator:
Xue, Yongquan; Luo, Bin; Brandt, William Nielsen; Bauer, Franz E.; Lehmer, Bret; Broos, Patrick et al.
System:
The UNT Digital Library
The Chandra Deep Field-South Survey: 7 Ms Source Catalogs
This article presents X-ray source catalogs for the ≈7 Ms exposure of the Chandra Deep Field-South (CF-S), which covers a total area of 484.2 arcmin².
Date:
June 24, 2016
Creator:
Luo, Bin; Brandt, William Nielsen; Xue, Yongquan; Lehmer, Bret; Alexander, David M.; Bauer, Franz E. et al.
System:
The UNT Digital Library
Chandra Observations of the Highest Redshift Quasars from the Sloan Digital Sky Survey
This article presents Chandra observations of 21 z > 4 quasars, including 11 sources at z > 5.
Date:
February 17, 2006
Creator:
Shemmer, Ohad; Brandt, William Nielsen; Schneider, Donald P.; Fan, Xiaohui; Strauss, Michael A.; Diamond-Stanic, Aleksandar M. et al.
System:
The UNT Digital Library
A Chandra Survey of the X-Ray Properties of Board Absorption Line Radio-Loud Quasars
This article presents the results of a Chandra study of 21 broad absorption line radio-loud quasars.
Date:
July 14, 2009
Creator:
Miller, Brendan; Brandt, William Nielsen; Gibson, Robert R.; Garmire, Gordon P. & Shemmer, Ohad
System:
The UNT Digital Library
Chaos and thermal conductivity
Article discussing research on chaos and thermal conductivity.
Date:
December 1995
Creator:
Corezzi, Silvia; Bianucci, Marco & Grigolini, Paolo
System:
The UNT Digital Library
Charge-state dependence of K-shell x-ray production in aluminum by 2-12-MeV carbon ions
Article discussing research on the charge-state dependence of K-shell x-ray production in aluminum by 2-12-MeV carbon ions.
Date:
June 1996
Creator:
Sun, H. L.; Yu, Y. C.; Lin, E. K.; Wang, C. W.; Duggan, Jerome L.; Azordegan, A. R. et al.
System:
The UNT Digital Library