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441 Matching Results
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The March 11, 2002 Masafi, United Arab Emirates Earthquake: Insights into the Seismotectonics of the Northern Oman Mountains
A moderate (M{approx}5) earthquake struck the northeastern United Arab Emirates (UAE) and northern Oman on March 11, 2002. The event was felt over a wide area of the northern Emirates and was accompanied by smaller (felt) events before and after the March 11 main shock. The event was large enough to be detected and located by global networks at teleseismic distances. We estimated focal mechanism and depth from broadband complete regional waveform modeling. We report a normal mechanism with a slight right-lateral strike-slip component consistent with the large-scale tectonics. The normal component suggests relaxation of obducted crust of the Semail Ophilite (specifically, the Khor Fakkan Block) while the right-lateral strike-slip component of the mechanism is consistent with shear across the Oman Line. Felt earthquakes are rare in the region, however no regional seismic network exists in the UAE to determine local seismicity. This event offers a unique opportunity to study the active tectonics of the region as well as inform future studies of seismic hazard in the UAE and northern Oman.
Date:
April 26, 2005
Creator:
Rodgers, A.; Fowler, A.; Al-Amri, A. & Al-Enezi, A.
Object Type:
Article
System:
The UNT Digital Library
IKNO, a user facility for coherent terahertz and UV synchrotron radiation
IKNO (Innovation and KNOwledge) is a proposal for a multi-user facility based on an electron storage ring optimized for the generation of coherent synchrotron radiation (CSR) in the terahertz frequency range, and of broadband incoherent synchrotron radiation (SR) ranging from the IR to the VUV. IKNO can be operated in an ultra-stable CSR mode with photon flux in the terahertz frequency region up to nine orders of magnitude higher than in existing 3rd generation light sources. Simultaneously to the CSR operation, broadband incoherent SR up to VUV frequencies is available at the beamline ports. The main characteristics of the IKNO storage and its performance in terms of CSR and incoherent SR are described in this paper. The proposed location for the infrastructure facility is in Sardinia, Italy.
Date:
April 26, 2008
Creator:
Sannibale, Fernando; Marcelli, Augusto & Innocenzi, Plinio
Object Type:
Article
System:
The UNT Digital Library
Archer County News (Archer City, Tex.), No. 17, Ed. 1 Thursday, April 26, 2007
Weekly newspaper from Archer City, Texas that includes local, state, and national news along with advertising.
Date:
April 26, 2007
Creator:
Lewis, Shelley
Object Type:
Newspaper
System:
The Portal to Texas History
Seminole Sentinel (Seminole, Tex.), Vol. 97, No. 57, Ed. 1 Wednesday, April 26, 2006
Semiweekly newspaper from Seminole, Texas that includes local, state, and national news along with extensive advertising.
Date:
April 26, 2006
Creator:
Wright, Dustin
Object Type:
Newspaper
System:
The Portal to Texas History
Mount Vernon Optic-Herald (Mount Vernon, Tex.), Vol. 126, No. 37, Ed. 1 Thursday, April 26, 2001
Weekly newspaper from Mount Vernon, Texas that includes local, state, and national news along with advertising.
Date:
April 26, 2001
Creator:
Bush-Reves, Lillie
Object Type:
Newspaper
System:
The Portal to Texas History
The Panola Watchman (Carthage, Tex.), Vol. 137, No. 33, Ed. 1 Sunday, April 26, 2009
Semiweekly newspaper from Carthage, Texas that includes local, state, and national news along with advertising.
Date:
April 26, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Polk County Enterprise (Livingston, Tex.), Vol. 125, No. 33, Ed. 1 Thursday, April 26, 2007
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
April 26, 2007
Creator:
White, Barbara
Object Type:
Newspaper
System:
The Portal to Texas History
Polk County Enterprise (Livingston, Tex.), Vol. 127, No. 34, Ed. 1 Sunday, April 26, 2009
Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date:
April 26, 2009
Creator:
Reddell, Valerie
Object Type:
Newspaper
System:
The Portal to Texas History
Comanche Chief (Comanche, Tex.), No. 52, Ed. 1 Thursday, April 26, 2007
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
April 26, 2007
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
Yoakum Herald-Times (Yoakum, Tex.), Vol. 114, No. 17, Ed. 1 Wednesday, April 26, 2006
Weekly newspaper from Yoakum, Texas that includes local, state, and national news along with advertising.
Date:
April 26, 2006
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Rains County Leader (Emory, Tex.), Vol. 117, No. 45, Ed. 1 Tuesday, April 26, 2005
Weekly newspaper from Emory, Texas that includes local, state, and national news along with advertising.
Date:
April 26, 2005
Creator:
Hill, Earl Clyde, Jr.
Object Type:
Newspaper
System:
The Portal to Texas History
Timpson & Tenaha News (Timpson, Tex.), Vol. 16, No. 17, Ed. 1 Thursday, April 26, 2001
Weekly newspaper from Timpson, Texas that includes local, state, and national news along with advertising.
Date:
April 26, 2001
Creator:
Ritch, Nancy
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 105, No. 33, Ed. 1 Wednesday, April 26, 2000
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
April 26, 2000
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Clifton Record (Clifton, Tex.), Vol. 107, No. 34, Ed. 1 Friday, April 26, 2002
Semi-weekly newspaper from Clifton, Texas that includes local, state, and national news along with advertising.
Date:
April 26, 2002
Creator:
Smith, W. Leon
Object Type:
Newspaper
System:
The Portal to Texas History
The Odem-Edroy Times (Odem, Tex.), Vol. 61, No. 17, Ed. 1 Thursday, April 26, 2007
Weekly newspaper from Odem, Texas that includes local, state, and national news along with advertising.
Date:
April 26, 2007
Creator:
Mogonye, Kurt R.
Object Type:
Newspaper
System:
The Portal to Texas History
Seminole Sentinel (Seminole, Tex.), Vol. 93, No. 55, Ed. 1 Wednesday, April 26, 2000
Semiweekly newspaper from Seminole, Texas that includes local, state, and national news along with advertising.
Date:
April 26, 2000
Creator:
Dow, M. Gene & Fisher, David
Object Type:
Newspaper
System:
The Portal to Texas History
Cooper Review (Cooper, Tex.), Vol. 127, No. 17, Ed. 1 Thursday, April 26, 2007
Weekly newspaper from Cooper, Texas that includes local, state, and national news along with advertising.
Date:
April 26, 2007
Creator:
Palmer, Roger
Object Type:
Newspaper
System:
The Portal to Texas History
Hondo Anvil Herald (Hondo, Tex.), Vol. 115, No. 17, Ed. 1 Thursday, April 26, 2001
Weekly newspaper from Hondo, Texas that includes local, state, and national news along with extensive advertising.
Date:
April 26, 2001
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Hondo Anvil Herald (Hondo, Tex.), Vol. 121, No. 17, Ed. 1 Thursday, April 26, 2007
Weekly newspaper from Hondo, Texas that includes local, state, and national news along with extensive advertising.
Date:
April 26, 2007
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Fast Neutral Pressure Gauges in NSTX
Successful operation in NSTX of two prototype fast-response micro ionization gauges during plasma operations has motivated us to install five gauges at different toroidal and poloidal locations to measure the edge neutral pressure and its dependence on the type of discharge (L-mode, H-mode, CHI) and the fueling method and location. The edge neutral pressure is also used as an input to the transport analysis codes TRANSP and DEGAS-2. The modified PDX-type Penning gauges are well suited for pressure measurements in the NSTX divertor where the toroidal field is relatively high. Behind the NSTX outer divertor plates where the field is lower, an unshielded fast ion gauge of a new design has been installed. This gauge was developed after laboratory testing of several different designs in a vacuum chamber with applied magnetic fields.
Date:
April 26, 2004
Creator:
Raman, R.; Kugel, H. W.; Gernhardt, R.; Provost, T.; Jarboe, T. R. & Soukhanovskii, V.
Object Type:
Report
System:
The UNT Digital Library
2003 Chemical Engineering Division annual technical report.
The Chemical Engineering Division is one of six divisions within the Engineering Research Directorate at Argonne National Laboratory, one of the U.S. government's oldest and largest research laboratories. The University of Chicago oversees the laboratory on behalf of the U.S. Department of Energy (DOE). Argonne's mission is to conduct basic scientific research, to operate national scientific facilities, to enhance the nation's energy resources, to promote national security, and to develop better ways to manage environmental problems. Argonne has the further responsibility of strengthening the nation's technology base by developing innovative technology and transferring it to industry. The Division is a diverse early-stage engineering organization, specializing in the treatment of spent nuclear fuel, development of advanced electrochemical power sources, and management of both high- and low-level nuclear wastes. Additionally, the Division operates the Analytical Chemistry Laboratory, which provides a broad range of analytical services to Argonne and other organizations. The Division is multidisciplinary. Its people have formal training in chemistry; physics; materials science; and electrical, mechanical, chemical, and nuclear engineering. They are specialists in electrochemistry, ceramics, metallurgy, catalysis, materials characterization, nuclear magnetic resonance, repository science, and the nuclear fuel cycle. Our staff have experience working in and collaborating with university, industry …
Date:
April 26, 2004
Creator:
Lewis, D.; Graziano, D.; Miller, J. F. & Vandegrift, G.
Object Type:
Report
System:
The UNT Digital Library
Variational formulation of the Gardner's restacking algorithm
The incompressibility of the phase flow of Hamiltonian wave-plasma interactions restrains the class of realizable wave-driven transformations of the particle distribution. After the interaction, the distribution remains composed of the original phase-space elements, or local densities, which are only rearranged (''restacked'') by the wave. A variational formalism is developed to study the corresponding limitations on the energy and momentum transfer. A case of particular interest is a toroidal plasma immersed in a dc magnetic field. The restacking algorithm by Gardner [Phys. Fluids 6, 839 (1963)] is formulated precisely. The minimum energy state for a plasma with a given current is determined
Date:
April 26, 2004
Creator:
Dodin, I. Y. & Fisch, N. J.
Object Type:
Report
System:
The UNT Digital Library
Calcium Carbonate Production by Coccolithophorid Algae in Long Term, Carbon Dioxide Sequestration
Predictions of increasing levels of anthropogenic carbon dioxide (CO{sub 2}) and the specter of global warming have intensified research efforts to identify ways to sequester carbon. A number of novel avenues of research are being considered, including bioprocessing methods to promote and accelerate biosequestration of CO{sub 2} from the environment through the growth of organisms such as coccolithophorids, which are capable of sequestering CO{sub 2} relatively permanently. Calcium and magnesium carbonates are currently the only proven, long-term storage reservoirs for carbon. Whereas organic carbon is readily oxidized and releases CO{sub 2} through microbial decomposition on land and in the sea, carbonates can sequester carbon over geologic time scales. This proposal investigates the use of coccolithophorids single-celled, marine algae that are the major global producers of calcium carbonate to sequester CO{sub 2} emissions from power plants. Cultivation of coccolithophorids for calcium carbonate (CaCO{sub 3}) precipitation is environmentally benign and results in a stable product with potential commercial value. Because this method of carbon sequestration does not impact natural ecosystem dynamics, it avoids controversial issues of public acceptability and legality associated with other options such as direct injection of CO{sub 2} into the sea and ocean fertilization. Consequently, cultivation of coccolithophorids could …
Date:
April 26, 2004
Creator:
Fabry, V. J.
Object Type:
Report
System:
The UNT Digital Library
Newton Descent Observer for Nonlinear Discrete-Time Systems
None
Date:
April 26, 2005
Creator:
Boyle, J & Wen, J
Object Type:
Article
System:
The UNT Digital Library