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Advanced NMR approaches in the characterization of coal. Final technical report, September 1, 1990--August 31, 1993
This project addressed two main goals and one much smaller one. The main goals were (1) to improve the significance, reliability and information content in high-resolution NMR (nuclear magnetic resonance) characterization of coal samples and (2) to develop chemically informative NMR imaging techniques for coal. The minor goal was to explore advanced features of dynamic nuclear polarization (DNP) as a technique for coal characterization; this included the development of two DNP probes and the examination of DNP characteristics of various carbonaceous samples, including coals. {sup 13}C NMR advances for coal depended on large-sample MAS devices, employing either cross-polarization (CP) or direct polarization (DP) approaches. CP and DP spin dynamics and their relationships to quantitation and spin counting were elucidated. {sup 1}H NMR studies, based on CRAMPS, dipolar dephasing and saturation with perdeuteropyridine, led to a {sup 1}H NMR-based elucidation of chemical functionality in coal. {sup 1}H and {sup 13}C NMR imaging techniques, based on magic-angle spinning and rotating magnetic field gradients, were developed for introducing chemical shift information (hence, chemical detail) into the spatial imaging of coal. The TREV multiple-pulse sequence was found to be useful in the {sup 1}H CRAMPS imaging of samples like coal.
Date:
September 30, 1993
Creator:
Maciel, G. E.
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 118, No. 17, Ed. 1 Thursday, September 30, 1993
Weekly newspaper from Albany, Texas that includes local, county, and state news along with extensive advertising.
Date:
September 30, 1993
Creator:
Lucas, Donnie A.
Object Type:
Newspaper
System:
The Portal to Texas History
Altus Times (Altus, Okla.), Vol. 93, No. 172, Ed. 1 Thursday, September 30, 1993
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 30, 1993
Creator:
Lomenick, Rick
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Archer County News (Archer City, Tex.), No. 39, Ed. 1 Thursday, September 30, 1993
Weekly newspaper from Archer City, Texas that includes local, state, and national news along with advertising.
Date:
September 30, 1993
Creator:
Lobpries, F. Mike
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 71, No. 286, Ed. 1 Thursday, September 30, 1993
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
September 30, 1993
Creator:
Dobbs, Gary
Object Type:
Newspaper
System:
The Portal to Texas History
The Big Lake Wildcat (Big Lake, Tex.), Vol. 68, No. 39, Ed. 1 Thursday, September 30, 1993
Weekly newspaper from Big Lake, Texas that includes local, state and national news along with advertising.
Date:
September 30, 1993
Creator:
Werst, David
Object Type:
Newspaper
System:
The Portal to Texas History
Bogata News (Bogata, Tex.), Vol. 83, No. 24, Ed. 1 Thursday, September 30, 1993
Weekly newspaper from Bogata, Texas that includes local, state, and national news along with advertising.
Date:
September 30, 1993
Creator:
Nichols, Nanalee & Nichols, Thomas
Object Type:
Newspaper
System:
The Portal to Texas History
Burleson Star (Burleson, Tex.), Vol. 28, No. 101, Ed. 1 Thursday, September 30, 1993
Semi-weekly newspaper from Burleson, Texas that includes local, state, and national news along with advertising.
Date:
September 30, 1993
Creator:
Ellertson, Sally
Object Type:
Newspaper
System:
The Portal to Texas History
The Canadian Record (Canadian, Tex.), Vol. 103, No. 39, Ed. 1 Thursday, September 30, 1993
Weekly newspaper from Canadian, Texas that includes local, state, and national news along with extensive advertising.
Date:
September 30, 1993
Creator:
Ezzell, Nancy & Brown, Laurie Ezzell
Object Type:
Newspaper
System:
The Portal to Texas History
Cherokeean/Herald (Rusk, Tex.), Vol. 145, No. 35, Ed. 1 Thursday, September 30, 1993
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
September 30, 1993
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Chickasha Daily Express (Chickasha, Okla.), Vol. 102, No. 174, Ed. 1 Thursday, September 30, 1993
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 30, 1993
Creator:
Ferris, Terry
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Chickasha Star (Chickasha, Okla.), Vol. 92, No. 28, Ed. 1 Thursday, September 30, 1993
Weekly newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 30, 1993
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Comanche Chief (Comanche, Tex.), Vol. 121, No. 20, Ed. 1 Thursday, September 30, 1993
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
September 30, 1993
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
Cooper Review (Cooper, Tex.), Vol. 113, No. 39, Ed. 1 Thursday, September 30, 1993
Weekly newspaper from Cooper, Texas that includes local, state, and national news along with advertising.
Date:
September 30, 1993
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Dublin Citizen (Dublin, Tex.), Vol. 4, No. 5, Ed. 1 Thursday, September 30, 1993
Weekly newspaper from Dublin, Texas that includes local, state, and national news along with advertising.
Date:
September 30, 1993
Creator:
Wright Parham, Karen
Object Type:
Newspaper
System:
The Portal to Texas History
[EFFTV Team Building]
A video of a voice over narration for for a team building and communication exercise and class registration.
Date:
September 30, 1993
Creator:
University of North Texas. Center for Media Production.
Object Type:
Video
System:
The UNT Digital Library
[EFFTV Team Building]
A video of a slide show on effective team building, voice over narration on team building, and a commencement graduation ceremony.
Date:
September 30, 1993
Creator:
University of North Texas. Center for Media Production.
Object Type:
Video
System:
The UNT Digital Library
[EFFTV Team Building]
A video of a voice over narration for a team building and communication exercise.
Date:
September 30, 1993
Creator:
University of North Texas. Center for Media Production.
Object Type:
Video
System:
The UNT Digital Library
[EFFTV Team Building]
A video of a voice over narration for a team building and communication exercise and a slide show on self destructive behavior.
Date:
September 30, 1993
Creator:
University of North Texas. Center for Media Production.
Object Type:
Video
System:
The UNT Digital Library
[EFFTV Team Building]
A video of a slide show on team building and communication skills.
Date:
September 30, 1993
Creator:
University of North Texas. Center for Media Production.
Object Type:
Video
System:
The UNT Digital Library
[EFFTV Team Building]
A video of a faculty member giving an introduction to team building exercises.
Date:
September 30, 1993
Creator:
University of North Texas. Center for Media Production.
Object Type:
Video
System:
The UNT Digital Library
[EFFTV Team Building Music]
A video of a film crew filming a person opening a newspaper and interviews with teachers at Lewisville ISD.
Date:
September 30, 1993
Creator:
University of North Texas. Center for Media Production.
Object Type:
Video
System:
The UNT Digital Library
Electra Star-News (Electra, Tex.), Vol. 87, No. 6, Ed. 1 Thursday, September 30, 1993
Weekly newspaper from Electra, Texas that includes local, state, and national news along with advertising.
Date:
September 30, 1993
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Ensemble: 1993-09-30 – Avon Gillespie Memorial Concert
Ensembles concert performed at the UNT College of Music Concert Hall.
Date:
September 30, 1993
Creator:
University of North Texas. AGBADZA African Percussion Ensemble.
Object Type:
Sound
System:
The UNT Digital Library