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810 Matching Results
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793 - 810 of
810
Calculations Predict That Carbon Tunneling Allows the Degenerate Cope Rearrangement of Semibullvalene to Occur Rapidly at Cryogenic Temperatures
Article on calculations predicting that carbon tunneling allows the degenerate cope rearrangement of semibullvalene to occur rapidly at cryogenic temperatures.
Date:
May 27, 2010
Creator:
Zhang, Xue; Hrovat, David A. & Borden, Weston T.
Object Type:
Article
System:
The UNT Digital Library
Experimental and Computational Studies of the Isomerization Reactions of Bidentate Phosphine Ligands in Triosmium Clusters: Kinetics of the Rearrangements from Bridged to Chelated Isomers and X-ray Structures of the Clusters Os3 (CO)10 (dppbz), 1,1-Os3 (CO)10 (dppbzF4), HOs3 (CO)9 [μ -1,2-PhP (C6H4-ɳ1) C6H4PPh2], and HOs3 (CO)9- [μ-1,2-PhP (C6H4-ɳ 1) C6F4PPh2]
Article on experimental and computational studies of the isomerization reactions of bidentate phosphine ligands in triosmium clusters.
Date:
February 22, 2011
Creator:
Zhang, Xue; Kandala, Srikanth; Yang, Li; Watson, William H.; Wang, Xiaoping; Hrovat, David A. et al.
Object Type:
Article
System:
The UNT Digital Library
Polycyclic Aromatic Hydrocarbons: Binary Non-Aqueous Systems Part 2: Solutes F-Z
This book is part of the Solubility Data Series and discusses polycyclic aromatic hydrocarbons and binary non-aqueous systems in solutes F - Z.
Date:
1995
Creator:
Acree, William E. (William Eugene); Powell, Joyce R. & Zvaigzne, Anita I.
Object Type:
Book
System:
The UNT Digital Library
Polycyclic Aromatic Hydrocarbons in Pure and Binary Solvents
This book is part of the Solubility Data Series and discusses polycyclic aromatic hydrocarbons in pure and binary solvents.
Date:
1994
Creator:
Acree, William E. (William Eugene); Naidu, Puligundla R.; McCargar, James W.; Tucker, Sheryl A. (Sheryl Ann) & Zvaigzne, Anita I.
Object Type:
Book
System:
The UNT Digital Library
Polycyclic Aromatic Hydrocarbons: Binary Non-Aqueous Systems Part 1: Solutes A-E
This book is part of the Solubility Data Series and discusses polycyclic aromatic hydrocarbons and binary non-aqueous systems in solutes A - E.
Date:
1995
Creator:
Acree, William E. (William Eugene)
Object Type:
Book
System:
The UNT Digital Library
Mathematical representation of solubility of amino acids in binary aqueous-organic solvent mixtures at various temperatures using the Jouyban-Acree model
Article on mathematical representation of solubility of amino acids in binary aqueous-organic solvent mixtures at various temperatures using the Jouyban-Acree model.
Date:
September 1, 2006
Creator:
Jouyban, Abolghasem; Khoubnasabjafari, Maryam; Chan, Hak-Kim & Acree, William E. (William Eugene)
Object Type:
Article
System:
The UNT Digital Library
Correlation of retention factor of analytes in quaternary solvent mobile phases using the Jouyban-Acree model
Article on the correlation of retention factor of analytes in quaternary solvent mobile phases using the Jouyban-Acree model.
Date:
May 1, 2006
Creator:
Hanaee, Jalal; Jouyban, Abolghasem; Rashidi, M. R.; Esnaashari, Solmaz & Acree, William E. (William Eugene)
Object Type:
Article
System:
The UNT Digital Library
Deviations of drug solubility in water-cosolvent mixtures from the Jouyban-Acree model - effect of solute structure
Article on the deviations of drug solubility in water-cosolvent mixtures from the Jouyban-Acree model and the effect of solute structure.
Date:
February 1, 2008
Creator:
Jouyban, Abolghasem; Fakhree, Mohammad Amin Abolghassemi; Ghafourian, Taravat; Saei, A. A. & Acree, William E. (William Eugene)
Object Type:
Article
System:
The UNT Digital Library
Rediscovery of the Elements: Daniel Rutherford, Nitrogen, and the Demise of Phlogiston
Article describing Daniel Rutherford's discovery of nitrogen. The article also details the work of other scientists revolving around the discovery of nitrogen.
Date:
Spring 2015
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
Object Type:
Article
System:
The UNT Digital Library
Bad Pyrmont Spa
Photo depicts the Bad Pyrmont Spa in western Germany which is known for its therapeutic baths and vapor cave. The paragraph on the bottom of page 70 gives details about the photo and the spa.
Date:
Winter 2015
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
Object Type:
Article
System:
The UNT Digital Library
Rediscovery of the Elements: The Rare Earths - The Beginnings
This article explores the rare earths, the chemically similar elements that occupy the f-block of the Periodic Table and the Group III chemical family. The articles shows the locations that certain rare earths were originally found. It also gives details on where the elements can be found currently, as well as major production areas. The cover of the Fall 2015 Hexagon journal (Vol. 106, Issue 3) features the Mountain Pass rare earth ore body in Southern California, which is mentioned in the article on pages 40-45 of the journal. A description of the photo on the cover of the journal can be found on page 38.
Date:
Autumn 2015
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
Object Type:
Article
System:
The UNT Digital Library
Rediscovery of the Elements: The Rare Earths - The Confusing Years
This article gives a timeline of research conducted on the rare earths, 17 elements found in the f-block and Group III chemical family of the Periodic Table. It covers discoveries made after the success of Swedish chemist, Carl Gustaf Mosander. The article describes the categorization of the rare earths that took place after Mosander's time, as well as separation techniques that developed.
Date:
Winter 2015
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
Object Type:
Article
System:
The UNT Digital Library
20 Mule Team
This photograph from the front cover of an issue of the Hexagon Journal displays the mock 20 mule team that stands outside of the Rio Tinto Borax Museum in Boron, California. The mule team depicts the original mode used to transport the chemical compound, borax, out of Death Valley between 1883 and 1888. A description of the photograph is shown on page 23 of the journal.
Date:
Summer 2015
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
Object Type:
Clipping
System:
The UNT Digital Library
Rediscovery of the Elements: Sir Humphry Davy and the Alkalis
Article provides information on the history of alkalis, particularly discoveries associated with potassium and sodium. The article also gives information on Humphry Davy, the first person to prepare alkalis in elemental form.
Date:
Summer 2015
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
Object Type:
Article
System:
The UNT Digital Library
Activity Coefficients at Infinite Dilution for Organic Solutes Dissolved in Three 1-Alkyl-1-methylpyrrolidinium Bis(trifluoromethylsulfonyl)imide Ionic Liquids Bearing Short Linear Alkyl Side Chains of Three to Five Carbons
Article discussing activity coefficients at infinite dilution for organic solutes dissolved in three 1-alkyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide ionic liquids bearing short linear alkyl side chains of three to five carbons.
Date:
July 30, 2013
Creator:
Mutelet, Fabrice; Hassan, El-Sayed R. E.; Stephens, Timothy W.; Acree, William E. (William Eugene) & Baker, Gary A.
Object Type:
Article
System:
The UNT Digital Library
Descriptors for Artemisinin and its Derivatives; Estimation of Physicochemical and Biochemical Data
Article on descriptors for artemisinin and its derivatives and an estimation of physiochemical and biochemical data.
Date:
January 2013
Creator:
Abraham, M. H. (Michael H.) & Acree, William E. (William Eugene)
Object Type:
Article
System:
The UNT Digital Library
Application of a General Computer Algorithm Based on the Group-Additivity Method for the Calculation of Two Molecular Descriptors at Both Ends of Dilution: Liquid Viscosity and Activity Coefficient in Water at Infinite Dilution
This paper presents the application of a commonly used computer algorithm based on the group-additivity method for the calculation of the liquid viscosity coefficient at 293.15 K and the activity coefficient at infinite dilution in water at 298.15 K or organic molecules.
Date:
December 10, 2017
Creator:
Naef, Rudolf & Acree, William E. (William Eugene)
Object Type:
Article
System:
The UNT Digital Library
Ammonia Oxidation at High Pressure and Intermediate Temperatures
This article describes ammonia oxidation experiments conducted at high pressure (30 bar and 100 bar) under oxidizing and stoichiometric conditions, respectively, and temperatures ranging from 450 to 925 K.
Date:
May 10, 2016
Creator:
Song, Yu; Hashemi, Hamid; Christensen, Jakob Munkholt; Zou, Chun; Marshall, Paul & Glarborg, Peter
Object Type:
Article
System:
The UNT Digital Library