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1,2-HOIQO--A highly versatile 1,2-HOPO analog
A cyclic, bidentate hydroxamic acid binding unit based on an isoquinoline scaffold has been utilized for the synthesis of a hexadentate tripodal ligand based on the TREN backbone. This prototype for a new class of multidentate chelators forms mononuclear iron(III) complexes and one-dimensional coordination polymers with lanthanide(III) cations. The latter has been determined by single crystal X-ray analysis of the cerium species. The solid state structure in the monoclinic space group P2{sub 1}/c (C{sub 36}H{sub 34}CeN{sub 7}O{sub 11}, a = 12.341(2){angstrom}, b = 26.649(4){angstrom}, c = 10.621(2){angstrom}, {alpha} = {gamma} = 90{sup o}, {beta} = 96.753(3){sup o}, V = 3468.6(9) {angstrom}{sup 3}, Z = 4) exhibits a trigonal-dodecahedral environment around the cerium cation. The proof of concept for the versatility of the new scaffold has been shown by the modification of the crucial precursor 3-carboxyiso-coumarin through electrophilic aromatic substitutions to yield the corresponding chlorosulfonated and nitrated analogs.
Date:
August 7, 2006
Creator:
Seitz, Michael; Pluth, Michael D. & Raymond, Kenneth N.
Object Type:
Article
System:
The UNT Digital Library
1+ -n+ ECR Ion Source Development Test Stand
A test stand for the investigation of 1+-n+ charge boosting using an ECR ion sources is currently being assembled at the Texas A&M Cyclotron Institute. The ultimate goal is to relate the charge-boosting of ions of stable species to possible charge-boosting of ions of radioactive species extracted from the diverse, low-charge-state ion sources developed for radioactive ion beams.
Date:
April 7, 2006
Creator:
May, Donald P.
Object Type:
Report
System:
The UNT Digital Library
A 3.3 MJ, Rb + 1 driver design based on an integrated systems analysis
A computer model for systems analysis of heavy ion drivers has been developed and used to evaluate driver designs for inertial fusion energy (IFE). The present work examines a driver for a close-coupled target design that requires less total beam energy but also smaller beam spots sizes than previous target designs. Design parameters and a cost estimate for a 160 beam, 3.3 MJ driver using rubidium ions (A = 85) are reported, and the sensitivity of the results to variations in selected design parameters is given.
Date:
March 7, 2000
Creator:
Meier, W. R.; Barnard, J. J. & Bangerter, R. O.
Object Type:
Article
System:
The UNT Digital Library
13.2 nm Table-Top Inspection Microscope for Extreme Ultraviolet Lithography Mask Defect Characterization
We report on a reflection microscope that operates at 13.2-nm wavelength with a spatial resolution of 55{+-}3 nm. The microscope uses a table-top EUV laser to acquire images of photolithography masks in 20 seconds.
Date:
April 7, 2009
Creator:
Brizuela, F.; Wang, Y.; Brewer, C.; Pedaci, F.; Chao, W.; Anderson, E. et al.
Object Type:
Article
System:
The UNT Digital Library
15 KJ FLASH LAMP, POWER CONDITIONING UNIT DESIGNED FOR SAFTY, RELIABILITY & MANUFACTURABILITY*
A 15kJoule, Flash Lamp Power Conditioning Unit has been successfully designed, developed, and deployed in the National Ignition Facility (NIF) Preamplifier Modules (PAM). The primary design philosophy of this power conditioning unit (PCU) is safety, reliability, and manufacturability. Cost reduction over commercially equivalent systems was also achieved through an easily manufactured packaging design optimized to meet NIF requirements. While still maintaining low cost, the PCU design includes a robust control system, fault diagnostic system, and safety features. The pulsed power design includes 6 PFN modules, each including a dual series injection trigger transformer, that drive a total of 12 flash lamp loads. The lamps are individually triggered via a 20kV pulse produced by a 1kV, MCT switched capacitive discharge unit on the primary side of the trigger transformer. The remote control interface includes an embedded controller that captures flash lamp current wave forms and fault status for each shot. The embedded controller provides the flexibility of remotely adjusting both the main drive voltage from 1.6 to 2.5 kV and the trigger voltage from 0 to 20 kV.
Date:
August 7, 2007
Creator:
James, G.; Merritt, B.; Dreifuerst, G.; Strickland, S. & Tse, E.
Object Type:
Article
System:
The UNT Digital Library
[24-Hour Film Feast with Bill Greaves speaker]
Video footage from The Black Academy of Arts and Letters recorded during TBAALs 2003 24-Hour Filmfeast featuring filmmaker Bill Greaves over the weekend of February 7-8th. The footage shows a dialogue with a speaker discussing the role of accessibility to information on ones past directly impacts the art of the present. The speaker uses examples of the history of lynchings in the early 20th century in Dallas as his main talking point.
Date:
February 7, 2003
Creator:
King, Curtis & Greaves, Bill
Object Type:
Video
System:
The UNT Digital Library
25 Can Verification Report for the LLNL Plutonium Packaging System (PuPS)
This document reports the results of the 25 Can Verification Run. The 25 Can Verification Run was performed as outlined in Section 1.d of SRS Acceptance Criteria (Reference 1). The run was performed over the period of February 16 to the 28, 2001. Each of these cans was welded with a dummy Inner Can containing about 5 kg of surrogate material. The cans were then analyzed using radiography and metallography of samples taken at four locations of the weld. The radiographs were examined for porosity. The micrographs of the metallurgical samples were examined for porosity, cracks, and lack of fusion. The results were reviewed by Derrill Rikard (a level 3 inspector at LLNL) and by Ken Durland (a level 3 inspector from WSRC). These reviews did not find anything of concern. Therefore we are submitting these results to SRS for concurrence.
Date:
May 7, 2001
Creator:
Riley, D C & Dodson, K E
Object Type:
Report
System:
The UNT Digital Library
300 Area Liquid Effluent Facilities (LEF) Authorization Envelope
The purpose of this document is to establish the facility Authorization Envelope (AE) for the 300 Liquid Effluent Facilities (LEP )Project and identify the requirements related to the maintenance of the AE as Specified in HNF-PRO-2701, Authorization Envelope and Authorization Agreement. The 300 LEF Project consists of two separate facilities operating under one management organization. They are the 310 Facility and the 340 Facility. The AE documents the limits of operations for all 300 LEF Project activities.
Date:
April 7, 2000
Creator:
WRIGHT, E.J. & STORDEUR, R.T.
Object Type:
Report
System:
The UNT Digital Library
527 Organizations: How the Differences in Tax and Election Laws Permit Certain Organizations to Engage in Issue Advocacy without Public Disclosure and Proposals for Change
Virtually all political organizations are "section 527" political organizations, which means that they are tax-exempt. 527 organizations are created to influence the election or defeat of public officials. This report compares the tax and election laws relating to political organizations and political committees prior to the enactment of P.L. 106-230 in an attempt to highlight the differences between them, and discusses some of the proposals in the 106th Congress to require additional reporting by organizations engaging in political activities. This report does not address the taxation of other tax-exempt organizations making political expenditures taxable under IRC § 527.
Date:
September 7, 2000
Creator:
Morris, Marie B.
Object Type:
Report
System:
The UNT Digital Library
527 Organizations: How the Differences in Tax and Election Laws Permit Certain Organizations to Engage in Issue Advocacy without Public Disclosure and Proposals for Change
Virtually all political organizations are "section 527" political organizations, which means that they are tax-exempt. 527 organizations are created to influence the election or defeat of public officials. This report compares the tax and election laws relating to political organizations and political committees prior to the enactment of P.L. 106-230 in an attempt to highlight the differences between them, and discusses some of the proposals in the 106th Congress to require additional reporting by organizations engaging in political activities. This report does not address the taxation of other tax-exempt organizations making political expenditures taxable under IRC § 527.
Date:
September 7, 2000
Creator:
Morris, Marie B.
Object Type:
Report
System:
The UNT Digital Library
527 Organizations: How the Differences in Tax and Election Laws Permit Certain Organizations to Engage in Issue Advocacy without Public Disclosure and Proposals for Change
This report compares the tax and election laws relating to political organizations and political committees prior to the enactment of P.L. 106-230 in an attempt to highlight the differences between them, and discusses some of the proposals in the 106th Congress to require additional reporting by organizations engaging in political activities. This report does not address the taxation of other tax-exempt organizations making political expenditures taxable under IRC § 527. For developments after the enactment of P.L. 106-230, please see CRS Report RS20650, 527 Organizations: Reporting Requirements Imposed on Political Organizations after the Enactment of P.L. 106-230.
Date:
September 7, 2000
Creator:
Morris, Marie B.
Object Type:
Report
System:
The UNT Digital Library
S. 852: The Fairness in Asbestos Injury Resolution Act of 2005
This report provides an overview of S. 852, the Fairness in Asbestos Injury Resolution (FAIR) Act of 2005. The bill would establish the Office of Asbestos Disease Compensation to award damages to asbestos claimants from the Asbestos Injury Claims Resolution Fund.
Date:
February 7, 2006
Creator:
Cohen, Henry
Object Type:
Report
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 29, No. 23, Ed. 1 Friday, April 7, 2000
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
April 7, 2000
Creator:
Steele, Janet
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 31, No. 12, Ed. 1 Friday, December 7, 2001
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
December 7, 2001
Creator:
Baldwin, Alisha
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 32, No. 16, Ed. 1 Friday, February 7, 2003
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
February 7, 2003
Creator:
Baldwin, Alisha
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 32, No. 20, Ed. 1 Friday, March 7, 2003
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
March 7, 2003
Creator:
Baldwin, Alisha
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 33, No. 9, Ed. 1 Friday, November 7, 2003
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
November 7, 2003
Creator:
Pound, Jaylynn Christian
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 35, No. 7, Ed. 1 Friday, October 7, 2005
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
October 7, 2005
Creator:
Waltman, Erin
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 35, No. 26, Ed. 1 Friday, April 7, 2006
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
April 7, 2006
Creator:
Waltman, Erin
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 37, No. 12, Ed. 1 Friday, December 7, 2007
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
December 7, 2007
Creator:
Pace, Joshua
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 37, No. 20, Ed. 1 Friday, March 7, 2008
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
March 7, 2008
Creator:
Pace, Joshua
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 38, No. 10, Ed. 1 Friday, November 7, 2008
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
November 7, 2008
Creator:
Price, Racheal
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
1911 update 06 Apr 05navy
Draft Document
Date:
October 7, 2005
Creator:
unknown
Object Type:
Text
System:
The UNT Digital Library
1K RESERVOIR: EB WELDER, CE69412 REQUALIFICATION
The EB Welder was qualified to produce the 1K retainer weld in February 2001. Since that time, several parts were replaced and metallography results from a review indicated that the welder was not operating properly. After testing the EB Welder, it was requalified to produce the 1K retainer weld.
Date:
September 7, 2005
Creator:
Schell, J. H.
Object Type:
Report
System:
The UNT Digital Library