UNT College of Arts and Sciences - 1,889 Matching Results

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Reddening, Emission-Line, and Intrinsic Absorption Properties in the Narrow-Line Seyfert 1 Galaxy Arakelian 564

This article uses Hubble Space Telescope UV and optical spectra of the narrow-line Seyfert 1 galaxy Ark 564 to investigate its internal reddening and properties of its emission-line and intrinsic UV absorption gas.

Date: October 12, 2001

Creator: Crenshaw, D.M.; Kraemer, S.B.; Turner, T.J.; Collier, S.; Peterson, Bradley M.; Brandt, William Nielsen et al.

open access

Structural and electronic properties of carbon nanotube tapers

Article on structural and electronic properties of carbon nanotube tapers, a set of nanostructures comprised of straight tubular sections with decreasing diameters, joined to each other via conical funnels and terminated with a hemispherical cap.

Date: October 29, 2001

Creator: Meunier, Vincent; Buongiorno Nardelli, Marco; Roland, Christopher & Bernholc, Jerry

open access

The kinetics of the reaction of H atoms with C₄F₆

Article on the kinetics of the reaction of H atoms with C₄F₆.

Date: November 16, 2001

Creator: Hu, Xiaohua; Goumri, Abdellatif & Marshall, Paul

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

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

open access

O(N) real-space method for ab initio quantum transport calculations: Application to carbon nanotube - metal contacts

Article on O(N) real-space method for ab initio quantum transport calculations and application to carbon nanotube-metal contacts.

Date: December 10, 2001

Creator: Buongiorno Nardelli, Marco; Fattebert, Jean-luc & Bernholc, Jerry

open access

Rediscovery of the Elements: Thorium

Article recounting the discovery of the element Thorium in Norway by Hans Morten Thrane Esmark. Maps and tourist information regarding the area are provided.

Date: Winter 2001

Creator: Marshall, James L., 1940- & Marshall, Virginia R.

open access

Offizielle und inoffizielle Zensurverfahren in der DDR: Eine Fallstudie zu Günter Kunert

Article on official and unofficial censorship procedures in the German Democratic Republic and the case of Günter Kunert.

Date: 2002

Creator: Costabile-Heming, Carol Anne

open access

Carbon-Hydrogen Bond Activation by Titanium Imido Complexes. Computational Evidence for the Role of Alkane Adducts in Selective C-H Activation

This article reports calculations that probe the role of R (hydrocarbon) and R' (ligand substituent) effects on the reaction coordinate for C-H activation.

Date: January 19, 2002

Creator: Cundari, Thomas R., 1964-; Klinckman, Thomas R. & Wolczanski, Peter T.

open access

Rate Constant for the Reaction Na + O₂ + N₂ → NaO₂ + N₂ Under Mesospheric Conditions

Article on the rate constant for the reaction Na + O₂ + N₂ → NaO₂ + N₂.

Date: January 30, 2002

Creator: Husain, David; Marshall, Paul & Plane, John M. C.

open access

Extension of the Behavioral Model of Healthcare Utilization with Ethnically Diverse, Low-Income Women

Article on the extension of the behavioral model of healthcare utilization with ethnically diverse, low-income women.

Date: February 2002

Creator: Keenan, Lisa A.; Marshall, Linda L. & Eve, Susan Brown

open access

Is There a Metallicity-Luminosity Relationship in Active Galactic Nuclei? The Case of Narrow-Line Seyfert 1 Galaxies

This article discusses the relationship between metallicity and luminosity in active galactic nuclei by introducing new metallicity measurements for a sample of narrow-line Seyfert 1 galaxies.

Date: February 8, 2002

Creator: Shemmer, Ohad & Netzer, Hagai

open access

Solubility Prediction of Anthracene in Mixed Solvents Using a Minimum Number of Experimental Data

Article on the solubility prediction of anthracene in mixed solvents using a minimum number of experimental data.

Date: March 19, 2002

Creator: Jouyban, Abolghasem; Khoubnasabjafari, Maryam; Chan, Hak-Kim; Clark, Brian J. & Acree, William E. (William Eugene)

open access

Rediscovery of the Elements: Althofen, Austria and Auer von Welsbach

Article recounting a visit to sites related to Baron Carl Auer von Welsbach, discoverer of lutetium and ytterbium and inventor of the incandescent "Welsbach mantle." Maps and tourist information are provided regarding the Welsbach Museum in Treibach, Austria.

Date: Spring 2002

Creator: Marshall, James L., 1940- & Marshall, Virginia R.

open access

Diffusion Entropy and Waiting Time Statistics of Hard-X-Ray Solar Flares

Article on diffusion entropy and waiting time statistics of hard-x-ray solar flares.

Date: March 25, 2002

Creator: Grigolini, Paolo; Leddon, Deborah & Scafetta, Nicola

open access

Supernova 2002ap: the first month

This article reports the results of the first month of an intensive photometric and spectroscopic monitoring campaign of Supernova 2002ap.

Date: March 27, 2002

Creator: Gal-Yam, Avishay; Ofek, Efran & Shemmer, Ohad

open access

Ultimate strength of carbon nanotubes: A theoretical study

Article on a theoretical study of the ultimate strength of carbon nanotubes.

Date: March 27, 2002

Creator: Zhao, Qingzhong; Buongiorno Nardelli, Marco & Bernholc, Jerry

open access

Biochemical and Molecular Inhibition of Plastidial Carbonic Anhydrase Reduces the Incorporation of Acetate into Lipids in Cotton Embryos and Tobacco Cell Suspensions and Leaves

Article on biochemical and molecular inhibition of plastidial carbonic anhydrase reducing the incorporation of acetate into lipids in cotton embryos and tobacco cell suspensions and leaves.

Date: April 2002

Creator: Hoang, Chau V. & Chapman, Kent D.

open access

Solubility of Crystalline Nonelectrolyte Solutes in Organic Solvents: Mathematical Correlation of Benzil Solubilities with the Abraham General Solvation Model

Article on the solubility of crystalline nonelectrolyte solutes in organic solvents and the mathematical correlation of benzil solubilities with the Abraham general solvation model.

Date: April 1, 2002

Creator: Acree, William E. (William Eugene) & Abraham, M. H. (Michael H.)

open access

Erratum: "Is there a metallicity-luminosity relationship in active galactic nuclei? The case of narrow-line Seyfert 1 galaxies"

This erratum corrects a computational error affecting the calculation of the intrinsic luminosities of several objects in the article "Is there a metallicity-luminosity relationship in active galactic nuclei? The case of narrow-line Seyfert 1 galaxies." This does not affect any of the main results of the article.

Date: April 10, 2002

Creator: Shemmer, Ohad & Netzer, Hagai

open access

Memory Beyond Memory in Heart Beating, a Sign of a Healthy Physiological Condition

In this article, the authors describe two types of memory and illustrate each using artificial and actual heartbeat data sets.

Date: April 11, 2002

Creator: Allegrini, Paolo; Grigolini, Paolo; Hamilton, P.; Palatella, Luigi & Raffaelli, G.

open access

Rate coefficients and product branching measurements for the reaction OH + bromopropane from 230 to 360 K

Article on rate coefficient and product branching measurements for the reaction OH + bromopropane from 230 to 360 K.

Date: May 8, 2002

Creator: Gilles, Mary K.; Burkholder, James B. (James Bart), 1954-; Gierczak, Tomasz; Marshall, Paul & Ravishankara, A. R.

open access

Enthalpies of Sublimation of Organic and Organometallic Compounds. 1910-2001

Article on enthalpies of sublimation of organic and organometallic compounds.

Date: June 7, 2002

Creator: Chickos, James S. & Acree, William E. (William Eugene)

open access

Rediscovery of the Elements: Phosphoro di Bologna

Article recounting a visit to sites related to the discovery of phosphorescent stone (barium sulfide) in Bologna, Italy. Maps with driving directions are included.

Date: Summer 2002

Creator: Marshall, James L., 1940- & Marshall, Virginia R.

UNT College of Arts and Sciences - 1,889 Matching Results

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Reddening, Emission-Line, and Intrinsic Absorption Properties in the Narrow-Line Seyfert 1 Galaxy Arakelian 564

Structural and electronic properties of carbon nanotube tapers

The kinetics of the reaction of H atoms with C₄F₆

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

Germany: German Democratic Republic: Publishers

O(N) real-space method for ab initio quantum transport calculations: Application to carbon nanotube - metal contacts

Rediscovery of the Elements: Thorium

Offizielle und inoffizielle Zensurverfahren in der DDR: Eine Fallstudie zu Günter Kunert

Carbon-Hydrogen Bond Activation by Titanium Imido Complexes. Computational Evidence for the Role of Alkane Adducts in Selective C-H Activation

Rate Constant for the Reaction Na + O₂ + N₂ → NaO₂ + N₂ Under Mesospheric Conditions

Extension of the Behavioral Model of Healthcare Utilization with Ethnically Diverse, Low-Income Women

Is There a Metallicity-Luminosity Relationship in Active Galactic Nuclei? The Case of Narrow-Line Seyfert 1 Galaxies

Solubility Prediction of Anthracene in Mixed Solvents Using a Minimum Number of Experimental Data

Rediscovery of the Elements: Althofen, Austria and Auer von Welsbach

Diffusion Entropy and Waiting Time Statistics of Hard-X-Ray Solar Flares

Supernova 2002ap: the first month

Ultimate strength of carbon nanotubes: A theoretical study

Biochemical and Molecular Inhibition of Plastidial Carbonic Anhydrase Reduces the Incorporation of Acetate into Lipids in Cotton Embryos and Tobacco Cell Suspensions and Leaves

Solubility of Crystalline Nonelectrolyte Solutes in Organic Solvents: Mathematical Correlation of Benzil Solubilities with the Abraham General Solvation Model

Erratum: "Is there a metallicity-luminosity relationship in active galactic nuclei? The case of narrow-line Seyfert 1 galaxies"

Memory Beyond Memory in Heart Beating, a Sign of a Healthy Physiological Condition

Rate coefficients and product branching measurements for the reaction OH + bromopropane from 230 to 360 K

Enthalpies of Sublimation of Organic and Organometallic Compounds. 1910-2001

Rediscovery of the Elements: Phosphoro di Bologna