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Brady Standard-Herald and Heart O' Texas News (Brady, Tex.), Ed. 1 Tuesday, September 24, 2002
Semiweekly newspaper from Brady, Texas that includes local, state, and national news along with advertising.
Date:
September 24, 2002
Creator:
Stewart, James E.
Object Type:
Newspaper
System:
The Portal to Texas History
The Boerne Star (Boerne, Tex.), Vol. 97, No. 77, Ed. 1 Tuesday, September 24, 2002
Semiweekly newspaper from Boerne, Texas that includes local, state, and national news along with advertising.
Date:
September 24, 2002
Creator:
Cartwright, Brian & Collins, Valerie
Object Type:
Newspaper
System:
The Portal to Texas History
Daily Journal (Perry, Okla.), Vol. 109, No. 188, Ed. 1 Tuesday, September 24, 2002
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 24, 2002
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Altus Times (Altus, Okla.), Vol. 104, No. 161, Ed. 1 Tuesday, September 24, 2002
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 24, 2002
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Express-Star (Chickasha, Okla.), Ed. 1 Tuesday, September 24, 2002
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 24, 2002
Creator:
Bush, Kent
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Oklahoma Daily (Norman, Okla.), Vol. 86, No. 23, Ed. 1 Tuesday, September 24, 2002
Student newspaper of the University of Oklahoma in Norman, Oklahoma that includes national, local, and campus news along with advertising.
Date:
September 24, 2002
Creator:
Lacy, Amy
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Ride DART and the Trinity Railway Express to Home Games at the American Airlines Center
News release concerning DART transportation options to sports events at the American Airlines Center, including the Trinity Railway Express, a joint project of DART and the T.
Date:
September 24, 2002
Creator:
Lyons, Morgan & Moore, Elizabeth
Object Type:
Text
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 80, No. 302, Ed. 1 Tuesday, September 24, 2002
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
September 24, 2002
Creator:
Cash, Wanda Garner
Object Type:
Newspaper
System:
The Portal to Texas History
Reserve Forces Policy Board Citizen Patriot Award
Certificate from the Reserve Forces Policy Board awarded to the Women Airforce Service Pilots of WWII for their dedicated service.
Date:
September 24, 2002
Creator:
Reserve Forces Policy Board
Object Type:
Text
System:
The Portal to Texas History
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 87, No. 320, Ed. 1 Tuesday, September 24, 2002
Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date:
September 24, 2002
Creator:
Broaddus, Matthew B.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Improved Optical Design for the Large Synoptic Survey Telescope (LSST)
This paper presents an improved optical design for the LSST, an fll.25 three-mirror telescope covering 3.0 degrees full field angle, with 6.9 m effective aperture diameter. The telescope operates at five wavelength bands spanning 386.5 nm to 1040 nm (B, V, R, I and Z). For all bands, 80% of the polychromatic diffracted energy is collected within 0.20 arc-seconds diameter. The reflective telescope uses an 8.4 m f/1.06 concave primary, a 3.4 m convex secondary and a 5.2 m concave tertiary in a Paul geometry. The system length is 9.2 m. A refractive corrector near the detector uses three fused silica lenses, rather than the two lenses of previous designs. Earlier designs required that one element be a vacuum barrier, but now the detector sits in an inert gas at ambient pressure. The last lens is the gas barrier. Small adjustments lead to optimal correction at each band. The filters have different axial thicknesses. The primary and tertiary mirrors are repositioned for each wavelength band. The new optical design incorporates features to simplify manufacturing. They include a flat detector, a far less aspheric convex secondary (10 {micro}m from best fit sphere) and reduced aspheric departures on the lenses and tertiary …
Date:
September 24, 2002
Creator:
Seppala, L
Object Type:
Article
System:
The UNT Digital Library
Research and Development for X-Ray Optics and Diagnostics on the Linac Coherent Source (LCLS)
The Linac Coherent Light Source (LCLS) is a 1.5 to 15 {angstrom} wavelength Free-Electron Laser (PEL), under development at the Stanford Linear Accelerator Center (SLAC). The photon output consists of high brightness, transversely coherent pulses with duration < 300 fs, together with a broad spontaneous spectrum. The output energy density per unit area, pulse duration, repetition rate, and small FEL spot size pose special challenges for optical components and diagnostics downstream of the undulator. Planning for the photon beam transport, manipulation and diagnostics downstream of the undulator has begun.
Date:
September 24, 2002
Creator:
Bionta, R. M.; Arthur, J.; Chapman, H.; Craig, B.; Klingmann, J.; Kuba, J. et al.
Object Type:
Article
System:
The UNT Digital Library
[Citizen Patriot Award]
Certificate issued to the WASP "in recognition of their dedication, exemplary service and personal sacrifice" (line 6). It is signed in blue ink by Albert C. Zapanta, Chairman of the Reserve Forces Policy Board.
Date:
September 24, 2002
Creator:
Reserve Forces Policy Board
Object Type:
Text
System:
The Portal to Texas History
Rains County Leader (Emory, Tex.), Vol. 115, No. 16, Ed. 1 Tuesday, September 24, 2002
Weekly newspaper from Emory, Texas that includes local, state, and national news along with advertising.
Date:
September 24, 2002
Creator:
Hill, Earl Clyde, Jr.
Object Type:
Newspaper
System:
The Portal to Texas History
ELECTROCHEMICAL CORROSION STUDY FOR TANK 241-AY-102 SLUDGE
The report describes the analyses performed on core samples from the sludge region of the waste in Tank 241-AY-102 to determine the electrochemical corrosion potential.
Date:
September 24, 2002
Creator:
JB, DUNCAN
Object Type:
Report
System:
The UNT Digital Library
Lethality in PARP-1/Ku80 double mutant mice reveals physiologicalsynergy during early embryogenesis
Ku is an abundant heterodimeric nuclear protein, consisting of 70-kDa and 86-kDa tightly associated subunits that comprise the DNA binding component of DNA-dependent protein kinase. Poly(ADP)ribose polymerase-1 (PARP-1) is a 113-kDa protein that catalyzes the synthesis of poly(ADP-ribose) on target proteins. Both Ku and PARP-1 recognize and bind to DNA ends. Ku functions in the non-homologous end joining (NHEJ) repair pathway whereas PARP-1 functions in the single strand break repair and base excision repair (BER) pathways. Recent studies have revealed that PARP-1 and Ku80 interact in vitro. To determine whether the association of PARP-1 and Ku80 has any physiological significance or synergistic function in vivo, mice lacking both PARP-1 and Ku80 were generated. The resulting offspring died during embryonic development displaying abnormalities around the gastrulation stage. In addition, PARP-1-/-Ku80-/- cultured blastocysts had an increased level of apoptosis. These data suggest that the functions of both Ku80 and PARP-1 are essential for normal embryogenesis and that a loss of genomic integrity leading to cell death through apoptosis is likely the cause of the embryonic lethality observed in these mice.
Date:
September 24, 2002
Creator:
Henrie, Melinda S.; Kurimasa, Akihiro; Burma, Sandeep; Menissier-de Murcia, Josiane; de Murcia, Gilbert; Li, Gloria C. et al.
Object Type:
Article
System:
The UNT Digital Library
Fundamental Curie temperature limit in ferromagnetic Ga1-xMnxAs
We provide unambiguous experimental evidence that the upper limit of {approx}110 K commonly observed for the Curie temperature TC of Ga{sub 1-x}Mn{sub x}As is caused by the Fermi-level-induced hole saturation. This conclusion is based on parallel studies of the location of Mn in the lattice, the effectiveness of acceptor center, and ferromagnetism on a series of Ga{sub 1-x-y}Mn{sub x}Be{sub y}As layers, in which the concentration of magnetic moments and of free holes can be independently controlled by the Mn and Be contents. Ion channeling and magnetization measurements show a dramatic increase of the concentration of Mn interstitials accompanied by a reduction of T{sub C} with increasing Be concentration. At the same time the free hole concentration remains relatively constant at {approx}5 x 10{sup 20}cm{sup -3}. These results indicate that the concentrations of free holes as well as of ferromagnetically active Mn spins are governed by the position of the Fermi level, which controls the formation energy of compensating interstitial Mn donors. Based on these results, we propose to use heavy n-type counter-doping of Ga{sub 1-x}Mn{sub x}As (by, e.g., Te) to suppress the formation of Mn interstitials at high x, and thus improve the T{sub C} of the alloy system.
Date:
September 24, 2002
Creator:
Yu, K. M.; Walukiewicz, W.; Wojtowicz, T.; Lim, W. L.; Liu, X.; Bindley, U. et al.
Object Type:
Article
System:
The UNT Digital Library
Using Recent Advances in 2D Seismic Technology and Surface Geochemistry to Economically Redevelop a Shallow Shelf Carbonate Reservoir: Vernon Field, Isabella County, Class Revisit
Continued the fault study to find more faults and develop new techniques to visualize them. Data from the Dundee Formation was used to document 11 major faults in the Michigan Basin which have now been verified using data from other horizons. These faults control the locations of many of the large anticlinal structures in the Michigan Basin and likely controlled fluid movements as well.
Date:
September 24, 2002
Creator:
Wood, James R.; Bornhorst, T.J.; Harrison, William B. & Quinlan, W.
Object Type:
Report
System:
The UNT Digital Library
Evaluating the Effects of Tri-Butyl Phosphate and Normal Paraffin Hydrocarbon in Simulated Low-Activity Waste Solution on Ultrafiltration
The effect on the filter flux of tributyl phosphate and normal paraffin hydrocarbon in a simulate AZ-101 3.5 wt percent insoluble, 28-30 wt percent total slurry was studied.
Date:
September 24, 2002
Creator:
Zamecnik, J. R.
Object Type:
Report
System:
The UNT Digital Library
Observations of z-dependent microbunching harmonic intensities using COTR in a SASE FEL.
The nonlinear generation of harmonics in a self-amplified spontaneous emission (SASE) free-electron laser (FEL) continues to be of interest. Complementary to such studies is the search for information on the electron beam microbunching harmonic components, which are revealed by coherent optical transition radiation (COTR) experiments. An initial z-dependent set of data has been obtained with the fundamental at 530 nm and the second harmonic at 265 nm. The latter data were collected after every other undulator in a nine-undulator string. These results are compared to estimates based on GINGER and an analytical model for nonlinear harmonic generation.
Date:
September 24, 2002
Creator:
Lumpkin, A. H.; Biedron, S. G.; Dejus, R. J.; Berg, W. J.; Borland, M.; Chae, Y. C. et al.
Object Type:
Article
System:
The UNT Digital Library
Tank 41H Salt-Well Sample Analysis
The High Level Waste (HLW) division plans to dissolve at least 100,000 gallons of salt in Tank 41H for use as a feed to the Low Curie Salt process. The planned dissolution and removal methods are not covered by the existing Nuclear Criticality Safety Evaluation (NCSE) for Tank 41H. This sample analysis provides results to support the NCSE needed to qualify the entire contents of the tank for dissolution and removal. This report provides results of the analysis of the Tank 41H salt-well criticality sample TK-41-HTF-E-173.
Date:
September 24, 2002
Creator:
Martino, C.J.
Object Type:
Report
System:
The UNT Digital Library
Evidence for transverse dependencies in COTR and microbunching in a SASE FEL.
Using coherent optical transition radiation (COTR) techniques, we have observed transverse dependencies, which in some aspects relate to the electron beam microbunching in a visible wavelength (540 nm) self-amplified spontaneous emission (SASE) free-electron laser (FEL). The experimental COTR observations include the z-dependent e-beam sizes, the z-dependent angular distributions, and the z-dependent spectra (which show an x-dependence). A 30-40% narrowing of the observed beam size using COTR is explainable by the mechanism's dependence on the square of the number of microbunched particles. However, additional effects are needed to explain beam size reductions by factors of 2-3 at different z locations. Localized e-beam structure in the gun or induced in the bunch compression process may result in microbunching transverse dependence, and hence the observed COTR effects.
Date:
September 24, 2002
Creator:
Lumpkin, A. H.; Chae, Y. C.; Lewellen, J. W.; Berg, W. J.; Borland, M.; Biedron, S. G. et al.
Object Type:
Article
System:
The UNT Digital Library
How well do we know the electromagnetic form factors of the proton?
Recent measurements of recoil polarization in elastic scattering have been used to extract the ratio of the electric to the magnetic proton form factors. These results disagree with Rosenbluth extractions from cross section measurements, indicating either an inconsistency between the two techniques, or a problem with either the polarization transfer or cross section measurements. To obtain precise knowledge of the proton form factors, they must first understand the source of this discrepancy.
Date:
September 24, 2002
Creator:
Arrington, J.
Object Type:
Article
System:
The UNT Digital Library
Geothermal Reservoirs: Products of Cooling Plutons
The goals of this project were to develop an in depth understanding of how geothermal reservoirs form and elucidate those features that could potentially be useful in exploration and development of additional energy reserves. Collaboration with Jeff Hulen, EGI helped closely coordinate theoretical concepts and computational experiments with geologic reality in fulfillment of the tasks for this project. Initial reconnaissance computations with Tom Brikowski, University of Texas were critical in realizing the final products of this project. The products of this work contribute basic understanding of the dynamical conditions attendant to the formation of reservoirs in general and the Geysers reservoir in particular. The most exciting of the discoveries were a combination of mineralogical, computational, and geothermometric data sets that revealed a chaotic-like behavior of the processes is critical in the formation of reservoirs near cooling plutions. This discovery provides a fundamental basis for improving resource assessment and exploration methods for geothermal energy associated with very young magmas. Some of the main results are documented in scientific publications, and DOE progress reports. An additional publication is in preparation on the overall significance of fracture propagation and microseismic activity around young magmas.
Date:
September 24, 2002
Creator:
Norton, Denis L.
Object Type:
Report
System:
The UNT Digital Library