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1,506 Matching Results
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Wireless Roadside Inspection Proof of Concept Test Final Report
The U.S. Department of Transportation (DOT) FMCSA commissioned the Wireless Roadside Inspection (WRI) Program to validate technologies and methodologies that can improve safety through inspections using wireless technologies that convey real-time identification of commercial vehicles, drivers, and carriers, as well as information about the condition of the vehicles and their drivers. It is hypothesized that these inspections will: -- Increase safety -- Decrease the number of unsafe commercial vehicles on the road; -- Increase efficiency -- Speed up the inspection process, enabling more inspections to occur, at least on par with the number of weight inspections; -- Improve effectiveness -- Reduce the probability of drivers bypassing CMV inspection stations and increase the likelihood that fleets will attempt to meet the safety regulations; and -- Benefit industry -- Reduce fleet costs, provide good return-on-investment, minimize wait times, and level the playing field. The WRI Program is defined in three phases which are: Phase 1: Proof of Concept Test (POC) Testing of commercially available off-the-shelf (COTS) or near-COTS technology to validate the wireless inspection concept. Phase 2: Pilot Test Safety technology maturation and back office system integration Phase 3: Field Operational Test Multi-vehicle testing over a multi-state instrumented corridor This report focuses …
Date:
March 1, 2009
Creator:
Capps, Gary J; Franzese, Oscar; Knee, Helmut E; Plate, Randall S & Lascurain, Mary Beth
Object Type:
Report
System:
The UNT Digital Library
Women's Pay: Gender Pay Gap in the Federal Workforce Narrows as Differences in Occupation, Education, and Experience Diminish
A letter report issued by the Government Accountability Office with an abstract that begins "Although the pay gap between men and women in the U.S. workforce has narrowed since the 1980s, numerous studies have found that a disparity still exists. In 2003, we found that women in the general workforce earned, on average, 20 cents less for every dollar earned by men in 2000 when differences in work patterns, industry, occupation, marital status, and other factors were taken into account. Other research indicates that this disparity existed for federal workers as well. For example, a 1998 study showed that the pay gap between men and women in the federal workforce decreased significantly between 1976 and 1995, but in 1995 white women still earned 14 cents less for every dollar earned by white men and African-American women earned 8 cents less for every dollar earned by African-American men after available factors related to pay were taken into account. In light of concerns that a pay gap may continue to exist between men and women in the workplace, Congress asked us to examine pay disparity issues and the role the federal government has played in enforcing anti-discrimination laws. In agreement with Congressional …
Date:
March 17, 2009
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Work Element B: 157. Sampling in Fish-Bearing Reaches [Variation in Productivity in Headwater Reaches of the Wenatchee Subbasin], Final Report for PNW Research Station.
We studied variation in productivity in headwater reaches of the Wenatchee subbasin for multiple field seasons with the objective that we could develop methods for monitoring headwater stream conditions at the subcatchment and stream levels, assign a landscape-scale context via the effects of geoclimatic parameters on biological productivity (macroinvertebrates and fish) and use this information to identify how variability in productivity measured in fishless headwaters is transmitted to fish communities in downstream habitats. In 2008, we addressed this final objective. In collaboration with the University of Alaska Fairbanks we found some broad differences in the production of aquatic macroinvertebrates and in fish abundance across categories that combine the effects of climate and management intensity within the subbasin (ecoregions). From a monitoring standpoint, production of benthic macroinvertebrates was not a good predictor of drifting macroinvertebrates and therefore might be a poor predictor of food resources available to fish. Indeed, there is occasionally a correlation between drifting macroinvertebrate abundance and fish abundance which suggests that headwater-derived resources are important. However, fish in the headwaters appeared to be strongly food-limited and there was no evidence that fishless headwaters provided a consistent subsidy to fish in reaches downstream. Fish abundance and population dynamics in …
Date:
March 31, 2009
Creator:
Polivka, Karl & Bennett, Rita L.
Object Type:
Report
System:
The UNT Digital Library
Working at Congress : a Sandian's experience.
During the 110th Congress (calendar years 2007 and 2008), Matthew Allen, a Sandian nuclear scientist, served as a Congressional Fellow on the Committee on Homeland Security in the House of Representatives. This report is an informative account of the role staffers play in assisting the members of Congress in their oversight and legislative duties. It is also a personal account of Matthew Allen's experience as a committee staffer in the House of Representatives.
Date:
March 1, 2009
Creator:
Allen, Matthew
Object Type:
Report
System:
The UNT Digital Library
Working With Communities to Save Lives in Africa
This report summarizes USAID's efforts in controlling malaria in Africa.
Date:
March 2009
Creator:
United States. Agency for International Development
Object Type:
Text
System:
The UNT Digital Library
The Wynnewood Gazette (Wynnewood, Okla.), Vol. 106, No. 38, Ed. 1 Thursday, March 5, 2009
Weekly newspaper from Wynnewood, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 5, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Wynnewood Gazette (Wynnewood, Okla.), Vol. 106, No. 39, Ed. 1 Thursday, March 12, 2009
Weekly newspaper from Wynnewood, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 12, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Wynnewood Gazette (Wynnewood, Okla.), Vol. 106, No. 40, Ed. 1 Thursday, March 19, 2009
Weekly newspaper from Wynnewood, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 19, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Wynnewood Gazette (Wynnewood, Okla.), Vol. 106, No. 41, Ed. 1 Thursday, March 26, 2009
Weekly newspaper from Wynnewood, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 26, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
X-ray Emission Spectroscopy to Study Ligand Valence Orbitals in Mn Coordination Complexes
We discuss a spectroscopic method to determine the character of chemical bonding and for the identification of metal ligands in coordination and bioinorganic chemistry. It is based on the analysis of satellite lines in X-ray emission spectra that arise from transitions between valence orbitals and the metal ion 1s level (valence-to-core XES). The spectra, in connection with calculations based on density functional theory (DFT), provide information that is complementary to other spectroscopic techniques, in particular X-ray absorption (XANES and EXAFS). The spectral shape is sensitive to protonation of ligands and allows ligands, which differ only slightly in atomic number (e.g., C, N, O...), to be distinguished. A theoretical discussion of the main spectral features is presented in terms of molecular orbitals for a series of Mn model systems: [Mn(H2O)6]2+, [Mn(H2O)5OH]+, [Mn(H2O)5NH2]+, and [Mn(H2O)5NH3]2+. An application of the method, with comparison between theory and experiment, is presented for the solvated Mn2+ ion in water and three Mn coordination complexes, namely [LMn(acac)N3]BPh4, [LMn(B2O3Ph2)(ClO4)], and [LMn(acac)N]BPh4, where L represents 1,4,7-trimethyl-1,4,7-triazacyclononane, acac stands for the 2,4-pentanedionate anion, and B2O3Ph2 represents the 1,3-diphenyl-1,3-dibora-2-oxapropane-1,3-diolato dianion.
Date:
March 2, 2009
Creator:
Smolentsev, Grigory; Soldatov, Alexander V; Messinger, Johannes; Merz, Kathrin; Weyhermuller, Thomas; Bergmann, Uwe et al.
Object Type:
Article
System:
The UNT Digital Library
Year of Birth Determination Using Radiocarbon Dating of Dental Enamel
Radiocarbon dating is typically an archaeological tool rather than a forensic one. Recently however, we have shown that the amount of radiocarbon present in tooth enamel, as a result of nuclear bomb testing during the cold war, is a remarkably accurate indicator of when a person is born. Enamel isolated from human teeth is processed to form graphite and carbon-14 ({sup 14}C) levels are measured using accelerator mass spectrometry. Since there is no turnover of enamel after it is formed, {sup 14}C levels in the enamel represent {sup 14}C levels in the atmosphere at the time of its formation. In this paper we describe the strategy used to determine the date of birth of an individual based on radiocarbon levels in tooth enamel, focusing on the methodology of this strategy. Year of birth information can significantly assist police investigators when the identity of a deceased individual is unknown. In such cases police will try to match particulars of the unidentified individual (which is often only gender and/or an estimate of age), with particulars from missing persons lists.
Date:
March 10, 2009
Creator:
Buchholz, B. A. & Spalding, K. L.
Object Type:
Article
System:
The UNT Digital Library
Yoakum Herald-Times (Yoakum, Tex.), Vol. 117, No. 9, Ed. 1 Wednesday, March 4, 2009
Weekly newspaper from Yoakum, Texas that includes local, state, and national news along with advertising.
Date:
March 4, 2009
Creator:
McCracken, Michael S.
Object Type:
Newspaper
System:
The Portal to Texas History
Yoakum Herald-Times (Yoakum, Tex.), Vol. 117, No. 10, Ed. 1 Wednesday, March 11, 2009
Weekly newspaper from Yoakum, Texas that includes local, state, and national news along with advertising.
Date:
March 11, 2009
Creator:
McCracken, Michael S.
Object Type:
Newspaper
System:
The Portal to Texas History
Yoakum Herald-Times (Yoakum, Tex.), Vol. 117, No. 11, Ed. 1 Wednesday, March 18, 2009
Weekly newspaper from Yoakum, Texas that includes local, state, and national news along with advertising.
Date:
March 18, 2009
Creator:
McCracken, Michael S.
Object Type:
Newspaper
System:
The Portal to Texas History
Yoakum Herald-Times (Yoakum, Tex.), Vol. 117, No. 12, Ed. 1 Wednesday, March 25, 2009
Weekly newspaper from Yoakum, Texas that includes local, state, and national news along with advertising.
Date:
March 25, 2009
Creator:
McCracken, Michael S.
Object Type:
Newspaper
System:
The Portal to Texas History
[Youth orchestra and choir spring concert]
Video recording from The Black Academy of Arts and Letters recorded during the Dallas Independent School Districts Townview high school orchestra and choir concert held at the Academy in March of 2009. The footage shows the audience seated in folding chairs watching the students perform on a low stage at the front of the room.
Date:
March 2009
Creator:
King, Curtis
Object Type:
Video
System:
The UNT Digital Library
Z' Bosons, the NuTeV Anomaly, and the Higgs Boson Mass
Fits to the precision electroweak data that include the NuTeV measurement are considered in family universal, anomaly free U(1) extensions of the Standard Model. In data sets from which the hadronic asymmetries are excluded, some of the Z{prime} models can double the predicted value of the Higgs boson mass, from {approx} 60 to {approx} 120 GeV, removing the tension with the LEP II lower bound, while also modestly improving the {chi}{sup 2} confidence level. The effect of the Z{prime} models on both m{sub H} and the {chi}{sup 2} confidence level is increased when the NuTeV measurement is included in the fit. Both the original NuTeV data and a revised estimate by the PDG are considered.
Date:
March 3, 2009
Creator:
Chanowitz, Michael S
Object Type:
Article
System:
The UNT Digital Library
Zimbabwe: The Power Sharing Agreement and Implications for U.S. Policy
None
Date:
March 25, 2009
Creator:
Ploch, Lauren
Object Type:
Report
System:
The UNT Digital Library