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326 Matching Results
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16S rRNA gene microarray analysis of microbial communities in ethanol-stimulated subsurface sediment
None
Date:
March 15, 2011
Creator:
Mohanty, S. R.; Kollah, B.; Brodie, E. L.; Hazen, T. C. & Roden, E. E.
Object Type:
Article
System:
The UNT Digital Library
2009 Annual Summary Report for the Area 3 and Area 5 Radioactive Waste Management Sites at the Nevada Test Site, Nye County, Nevada: Review of the Performance Assessments and Composite Analysis
The U.S. Department of Energy, National Nuclear Security Administration Nevada Site Office performed an annual review of the Area 3 and Area 5 Radioactive Wate Management Site (RWMS) Performance Assessments (PAs) and Composite Analyses (CAs) in fiscal year (FY) 2009. This annual summary report presents data and conclusions from the FY 2009 review, and determines the adequacy of the PAs and CAs. Operational factors (e.g., waste forms and containers, facility design, and waste receipts), closure plans, monitoring results, and research and development (R&D) activities were reviewed to determine the adequacy of the PAs. Likewise, the environmental restoration activities at the Nevada Test Site relevant to the sources of residual radioactive material that are considered in the CAs, the land-use planning, and the results of the environmental monitoring and R&D activities were reviewed to determine the adequacy of the CAs.
Date:
March 15, 2010
Creator:
NSTec Environmental Management
Object Type:
Report
System:
The UNT Digital Library
Access to Broadband Networks: The Net Neutrality Debate
This report discusses the continued debate amongst congressional policymakers regarding telecommunications reform. A major point of the ongoing discussion is whether action is needed to ensure unfettered access to the Internet.
Date:
March 15, 2011
Creator:
Gilroy, Angele A.
Object Type:
Report
System:
The UNT Digital Library
Adult Human Pancreatic Islet Beta-Cells Display Limited Turnover and Long Lifespan as Determined by In-Vivo Thymidine Analog Incorporation and Radiocarbon Dating
Diabetes mellitus results from an absolute or relative deficiency of insulin producing pancreatic beta-cells. The adult human beta-cell's turnover rate remains unknown. We employed novel techniques to examine adult human islet beta-cell turnover and longevity in vivo. Subjects enrolled in NIH clinical trials received thymidine analogues [iododeoxyuridine (IdU) or bromodeoxyuridine (BrdU)] 8-days to 4-years prior to death. Archival autopsy samples from ten patients (aged 17-74 years) were employed to assess beta-cell turnover by scoring nuclear analog labeling within insulin staining cells. Human adult beta-cell longevity was determined by estimating the cells genomic DNA integration of atmospheric carbon-14 ({sup 14}C). DNA was purified from pancreatic islets isolated from cadaveric donors; whole islet prep DNA was obtained from a 15 year old donor, and purified beta-cell DNA was obtained from two donors (age 48 and 80 years). {sup 14}C levels were then determined using accelerator mass spectrometry (AMS). Cellular 'birth date' was determined by comparing the subject's DNA {sup 14}C content relative to a well-established {sup 14}C atmospheric prevalence curve. In the two subjects less than age 20 years, 1-2% of the beta-cell nuclei co-stained for BrdU/IdU. No beta-cell nuclei co-stained in the eight patients more than 30 years old. Consistent with …
Date:
March 15, 2010
Creator:
Perl, S.; Kushner, J. A.; Buchholz, B. A.; Meeker, A. K.; Stein, G. M.; Hsieh, M. et al.
Object Type:
Article
System:
The UNT Digital Library
Aerosol observing system platform integration and AAF instrumentation
As part of the federal government’s 2009 American Recovery and Reinvestment Act (ARRA), the U.S. DOE Office of Science allocated funds for the capital upgrade of the Atmospheric Radiation Measurement (ARM) Climate Research Facility to improve and expand observational capabilities related to cloud and aerosol properties. The ARM Facility was established as a national user facility for the global scientific community to conduct a wide range of interdisciplinary science. Part of the ARRA-funded expansion of the ARM Facility includes four new Aerosol Observing Systems (AOS) to be designed, instrumented, and mentored by BNL. The enclosures will be customized SeaTainers. These new platforms ([AMF2]: ARM Mobile Facility-2; [TWP-D]: Tropical Western Pacific at Darwin; and [MAOS-A]/[MAOS-C]: Mobile Aerosol Observing System-Aerosol/-Chemistry) will provide a laboratory environment for fielding instruments to collect data on aerosol life cycle, microphysics, and optical/physical properties. The extensive instrument suite includes both established methods and initial deployments of new techniques to add breadth and depth to the AOS data sets. The platforms are designed: (1) to have all instruments pre-installed before deployment, allowing a higher measurement duty cycle; (2) with a standardized configuration improving the robustness of data inter-comparability; (3) to provide remote access capability for instrument mentors; and …
Date:
March 15, 2010
Creator:
Springston, S. & Sedlacek, A.
Object Type:
Article
System:
The UNT Digital Library
Africa: U.S. Foreign Assistance Issues
The United States provides assistance to 47 African countries, and the United States Agency for International Development (USAID) has 23 missions in Africa. In recent years, U.S. assistance to Africa saw a major increase, especially in health-related programs. This report provides an overview of U.S. aid to Africa, including the strategic objectives that shape U.S. aid to Africa, information about specific aid programs and initiatives, and the Obama Administration's FY2011 foreign aid budget request.
Date:
March 15, 2011
Creator:
Dagne, Ted
Object Type:
Report
System:
The UNT Digital Library
The Albany News (Albany, Tex.), Vol. 136, No. 43, Ed. 1 Thursday, March 15, 2012
Weekly newspaper from Albany, Texas that includes local, state and national news along with advertising.
Date:
March 15, 2012
Creator:
Lucas, Melinda L.
Object Type:
Newspaper
System:
The Portal to Texas History
The Allen American (Allen, Tex.), Vol. 42, No. 29, Ed. 1 Thursday, March 15, 2012
Weekly newspaper from Allen, Texas that includes local, state, and national news along with advertising.
Date:
March 15, 2012
Creator:
Mann, Rick
Object Type:
Newspaper
System:
The Portal to Texas History
The Altus Times (Altus, Okla.), Vol. 112, No. 242, Ed. 1 Thursday, March 15, 2012
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 15, 2012
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 272, Ed. 1 Thursday, March 15, 2018
Triweekly newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 15, 2018
Creator:
unknown
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 112, No. 331, Ed. 1 Tuesday, March 15, 2011
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 15, 2011
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 113, No. 205, Ed. 1 Friday, March 15, 2013
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 15, 2013
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 116, No. 220, Ed. 1 Sunday, March 15, 2015
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 15, 2015
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 117, No. 1, Ed. 1 Tuesday, March 15, 2016
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 15, 2016
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Times (Altus, Okla.), Vol. 118, No. 53, Ed. 1 Wednesday, March 15, 2017
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
March 15, 2017
Creator:
Steinkopff, Eric
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Alvarado Star (Alvarado, Tex.), Vol. 16, No. 27, Ed. 1 Thursday, March 15, 2012
Weekly newspaper from Alvarado, Texas that includes local, state, and national news along with advertising.
Date:
March 15, 2012
Creator:
McMichen, Candy
Object Type:
Newspaper
System:
The Portal to Texas History
The Alvin Advertiser (Alvin, Tex.), Ed. 1 Wednesday, March 15, 2017
Weekly newspaper from Alvin, Texas that includes local, state, and national news along with advertising.
Date:
March 15, 2017
Creator:
Money, David
Object Type:
Newspaper
System:
The Portal to Texas History
The Amending Process in the Senate
This report is intended to provide an overview of the fundamentals of the Senate amendment process. It summarizes many of the rules, precedents, and practices of the Senate affecting the consideration of amendments to measures on the floor.
Date:
March 15, 2013
Creator:
Davis, Christopher M.
Object Type:
Report
System:
The UNT Digital Library
Analytic solutions of tracer transport in fractured rock associated with precipitation-dissolution reactions
Precipitation-dissolution reactions are important for a number of applications such as isotopic tracer transport in the subsurface. Analytical solutions have been developed for tracer transport in both single-fracture and multiple-fracture systems associated with these reactions under transient and steady-state transport conditions. These solutions also take into account advective transport in fractures and molecular diffusion in the rock matrix. For studying distributions of disturbed tracer concentration (the difference between actual concentration and its equilibrium value), effects of precipitation-dissolution reactions are mathematically equivalent to a 'decay' process with a decay constant proportional to the corresponding bulk reaction rate. This important feature significantly simplifies the derivation procedure by taking advantage of the existence of analytical solutions for tracer transport associated with radioactive decay in fractured rock. It is also useful for interpreting tracer breakthrough curves, because the impact of a decay process is relatively easy to analyze. Several illustrative examples are presented, which show that the results are sensitive to fracture spacing, matrix diffusion coefficient (fracture surface area), and bulk reaction rate (or 'decay' constant), indicating that the relevant flow and transport parameters may be estimated by analyzing tracer signals.
Date:
March 15, 2011
Creator:
Liu, H.H.; Mukhopadhyay, S.; Spycher, N. & Kennedy, B.
Object Type:
Article
System:
The UNT Digital Library
Antebellum Jefferson, Texas: Everyday Life in an East Texas Town
Access:
Use of this item is restricted to the UNT Community
Founded in 1845 as a steamboat port at the entryway to western markets from the Red River, Jefferson was a thriving center of trade until the steamboat traffic dried up in the 1870s. During its heyday, the town monopolized the shipping of cotton from all points west for 150 miles. Jefferson was the unofficial capital of East Texas, but it was also typical of boom towns in general. For this topical examination of a frontier town, Bagur draws from many government documents, but also from newspaper ads and plats. These sources provide intimate details of the lives of the early citizens of Jefferson, Texas. Their story is of interest to both local and state historians as well as to the many readers interested in capturing the flavor of life in old-time East Texas. “Astoundingly complete and a model for local history research, with appeal far beyond readers who have specific interests in Jefferson.”—Fred Tarpley, author of Jefferson: Riverport to the Southwest
Date:
March 15, 2012
Creator:
Bagur, Jacques D.
Object Type:
Book
System:
The UNT Digital Library
The Aransas Pass Progress (Aransas Pass, Tex.), Vol. 108, No. 11, Ed. 1 Wednesday, March 15, 2017
Weekly newspaper from Aransas Pass, Texas that includes local, state, and national news along with advertising.
Date:
March 15, 2017
Creator:
Bowers, John
Object Type:
Newspaper
System:
The Portal to Texas History
Archer County News (Archer City, Tex.), Vol. 104, No. 11, Ed. 1 Thursday, March 15, 2012
Weekly newspaper from Archer City, Texas that includes local, state and national news along with advertising.
Date:
March 15, 2012
Creator:
Phillips, Barbara
Object Type:
Newspaper
System:
The Portal to Texas History
Bahrain: Reform, Security, and U.S. Policy
This report discusses the current state of Bahrain, which has undergone substantial political reforms since the late 1990s, but which still suffers from tension between the Shiite majority and the Sunni-led government. This report focuses particularly on Bahrain's relationship with Iran and Bahrain's relationship with the United States.
Date:
March 15, 2012
Creator:
Katzman, Kenneth
Object Type:
Report
System:
The UNT Digital Library
The Bastrop Advertiser (Bastrop, Tex.), Vol. 161, No. 12, Ed. 1 Saturday, March 15, 2014
Semi-weekly newspaper from Bastrop, Texas that includes local, state and national news along with advertising.
Date:
March 15, 2014
Creator:
Wright, Cyndi
Object Type:
Newspaper
System:
The Portal to Texas History