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Multiwavelength monitoring of the narrow-line Seyfert 1 galaxy Arakelian 564. III. Optical observations and the optical-UV-X-ray connection (open access)

Multiwavelength monitoring of the narrow-line Seyfert 1 galaxy Arakelian 564. III. Optical observations and the optical-UV-X-ray connection

This article presents the results of a 2 year long optical monitoring program of the narrow-line Seyfert 1 galaxy Ark 564.
Date: July 3, 2001
Creator: Shemmer, Ohad; Romano, P.; Bertram, Ray; Brinkman, Jon; Collier, S.; Crowley, K.A. et al.
Object Type: Article
System: The UNT Digital Library
Multiwavelength monitoring of the narrow-line Seyfert 1 galaxy Arakelian 564. II. Ultraviolet continuum and emission-line variability (open access)

Multiwavelength monitoring of the narrow-line Seyfert 1 galaxy Arakelian 564. II. Ultraviolet continuum and emission-line variability

This article presents the results of an intensive 2 month campaign of approximately daily spectrophotometric monitoring of the narrow-line Seyfert 1 galaxy Ark 564 with the Hubble Space Telescope.
Date: July 3, 2001
Creator: Collier, S.; Crenshaw, D.M.; Peterson, Bradley M.; Brandt, William Nielsen; Clavel, J.; Edelson, R. et al.
Object Type: Article
System: The UNT Digital Library
Rediscovery of the Elements: Titanium, Manaccan, Cornwall, England (open access)

Rediscovery of the Elements: Titanium, Manaccan, Cornwall, England

Article wherein James and Virginia Marshall visit Manaccan, England, to explore the site where titanium was first discovered. The area is described, as well as the man who discovered titanium, Reverend William Gregor.
Date: Spring 2001
Creator: Marshall, James L., 1940- & Marshall, Virginia R.
Object Type: Article
System: The UNT Digital Library
Film for Use in Microelectronic Devices and Methods of Producing Same (open access)

Film for Use in Microelectronic Devices and Methods of Producing Same

Patent relating to film for use in microelectronic devices and methods of producing same.
Date: July 27, 2000
Creator: Kelber, Jeffry A.
Object Type: Patent
System: The UNT Digital Library
Nova Sagittarii 1998 (V4633 Sgr): a permanent superhump system or an asynchronous polar? (open access)

Nova Sagittarii 1998 (V4633 Sgr): a permanent superhump system or an asynchronous polar?

This article reports the results of observations of V4633 Sgr (Nova Sagittarii 1998) during 1998-2000.
Date: August 23, 2001
Creator: Lipkin, Yaacov; Leibowitz, E. M.; Retter, A. & Shemmer, Ohad
Object Type: Article
System: The UNT Digital Library
Crystal structure of 1,3-bis(hydroxymethyl)-2-oxaadamantane, C₁₁H₁₈O₃ (open access)

Crystal structure of 1,3-bis(hydroxymethyl)-2-oxaadamantane, C₁₁H₁₈O₃

This article describes the crystal structure of 1,3-bis(hydroxymethyl)-2-oxaadamantane, C₁₁H₁₈O₃.
Date: April 1, 2001
Creator: Bryan, J.C.; Mlinarić-Majerski, K.; Kragol, G. & Marchand, A.P.
Object Type: Article
System: The UNT Digital Library
Effects of Cs deposition on the field-emission properties of single-walled carbon-nanotube bundles (open access)

Effects of Cs deposition on the field-emission properties of single-walled carbon-nanotube bundles

This article discusses the effects of Cs deposition on the field-emission properties of single-walled carbon-nanotube bundles.
Date: January 1, 2001
Creator: Wadhawan, Atul; Stallcup, Richard E. & Pérez, José M.
Object Type: Article
System: The UNT Digital Library
Effects of O2, Ar, and H2 gases on the field-emission properties of single-walled and multiwalled carbon nanotubes (open access)

Effects of O2, Ar, and H2 gases on the field-emission properties of single-walled and multiwalled carbon nanotubes

In this article, the authors compare the effects of O2, Ar, and H2 gases on the field-emission (FE) properties of single-walled carbon nanotubes (SWNTs) and multiwalled carbon nanotubes (MWNTs).
Date: September 17, 2001
Creator: Wadhawan, Atul; Stallcup, Richard E.; Stephens, Kenneth F.; Pérez, José M. & Akwani, Ikerionwu A.
Object Type: Article
System: The UNT Digital Library
Germany: German Democratic Republic: Ministerium für Staatssicherheit (Stasi): Ministry for state security, 1950-89 (open access)

Germany: German Democratic Republic: Ministerium für Staatssicherheit (Stasi): Ministry for state security, 1950-89

Encyclopedia article discussing the German Democratic Republic (GDR) and the ministry for state security (Stasi) from 1950 to 1989.
Date: December 1, 2001
Creator: Costabile-Heming, Carol Anne
Object Type: Article
System: The UNT Digital Library
Scanning Tunneling Microscopy Studies of Temperature-Dependent Etching of Diamond (100) by Atomic Hydrogen (open access)

Scanning Tunneling Microscopy Studies of Temperature-Dependent Etching of Diamond (100) by Atomic Hydrogen

In this article, the authors present a technique for obtaining atomic resolution ultrahigh vacuum scanning tunneling microscopy images of diamond (100) films by atomic hydrogen.
Date: April 9, 2001
Creator: Stallcup, Richard E. & Pérez, José M.
Object Type: Article
System: The UNT Digital Library
Quantum Entanglement and Entropy (open access)

Quantum Entanglement and Entropy

This article discusses quantum entanglement and entropy.
Date: August 20, 2001
Creator: Giraldi, Filippo & Grigolini, Paolo
Object Type: Article
System: The UNT Digital Library
Germany: German Democratic Republic: Publishers (open access)

Germany: German Democratic Republic: Publishers

Encyclopedia article discussing the German Democratic Republic (GDR) and publishers.
Date: December 1, 2001
Creator: Costabile-Heming, Carol Anne
Object Type: Article
System: The UNT Digital Library
"Schreiber, was siehst du?" Processing Historical and Social Change (open access)

"Schreiber, was siehst du?" Processing Historical and Social Change

This book chapter discusses processing historical and social change in literature and film during the German unification.
Date: 2001
Creator: Costabile-Heming, Carol Anne; Halverson, Rachel J., 1961- & Foell, Kristie A.
Object Type: Book Chapter
System: The UNT Digital Library
Partition of solutes from the gas phase and from water to wet and dry di-n-butyl ether: a linear free energy relationship analysis (open access)

Partition of solutes from the gas phase and from water to wet and dry di-n-butyl ether: a linear free energy relationship analysis

Article on the partition of solutes from the gas phase and from water to wet and dry di-n-butyl ether and a linear free energy relationship analysis.
Date: August 13, 2001
Creator: Abraham, M. H. (Michael H.); Zissimos, Andreas M. & Acree, William E. (William Eugene)
Object Type: Article
System: The UNT Digital Library