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137Cs and 210Po in Pacific Walrus and Bearded Seal from St. Lawrence Island, Alaska
The activity concentration of Cesium-137 ({sup 137}Cs) and naturally-occurring Polonium-210 ({sup 210}Po) were measured in the muscle tissue, kidney and liver of Pacific walrus (Odobenus rosmarus divergens) and bearded seal (Erignathus barbatus) collected by native hunters from the Bering Sea. The mean {sup 137}Cs concentrations in muscle, liver and kidney of Pacific walrus were 0.07, 0.09 and 0.07 Bq kg{sup -1} (N= 5, wet weight), respectively, and 0.17, 0.10, and 0.17 Bq kg{sup -1} (N=2, wet weight), respectively, in bearded seal. In general, {sup 137}Cs tissue concentrations are significantly lower than those previously reported for mammals from other regions. By comparison, {sup 210}Po activity concentrations appear to be higher than those reported elsewhere but a larger variation. The mean {sup 210}Po concentration in the muscle tissue, liver and kidney of Pacific walrus (N=5, wet weight) were 28.7, 189, and 174 Bq kg{sup -1}, respectively. This compares with {sup 210}Po concentration values (N=2, wet weight) of 27, 207, and 68 Bq kg{sup -1} measured in the muscle tissue, liver and kidney, of bearded seal, respectively. Estimated bioaccumulation factors--as defined by the radionuclide concentration ratio between the target tissue to that in sea water--were two to three orders of magnitude higher for …
Date:
February 2, 2005
Creator:
Hamilton, T F; Seagars, D J; Jokela, T & Layton, D
Object Type:
Article
System:
The UNT Digital Library
15th Street News (Midwest City, Okla.), Vol. 34, No. 15, Ed. 1 Friday, February 4, 2005
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
February 4, 2005
Creator:
Delaney, Darcy
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 34, No. 16, Ed. 1 Friday, February 11, 2005
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
February 11, 2005
Creator:
Delaney, Darcy
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
15th Street News (Midwest City, Okla.), Vol. 34, No. 17, Ed. 1 Friday, February 18, 2005
Newspaper from Rose State College in Midwest City, Oklahoma that includes national, local, and campus news along with advertising.
Date:
February 18, 2005
Creator:
Delaney, Darcy
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
2005 Electrochemistry Gordon Conference
This report is on Electrochemistry for Gordon Conference
Date:
February 20, 2005
Creator:
Buttry, Daniel
Object Type:
Article
System:
The UNT Digital Library
2005 Habitat Evaluation Procedure (HEP) Report for the Calispell Creek Project
On July 13, 2004, the Habitat Evaluation Procedure (HEP) was used to determine baseline habitat suitability on the Calispell Creek property, an acquisition completed by the Kalispel Tribe of Indians in February 2004. Evaluation species and appropriate models include Canada goose, mallard, muskrat, yellow warbler, and white-tailed deer. Habitat Suitability Index (HSI) values were visually estimated and agreed upon by all HEP team members. The Calispell Creek Project provides a total of 138.17 Habitat Units (HUs) for the species evaluated. Emergent wetland habitat provides 5.16 HUs for mallard and muskrat. Grassland provides 132.02 HUs for mallard and Canada goose. Scrub-shrub vegetation provides 0.99 HUs for yellow warbler and white-tailed deer. The objective of using HEP at the Calispell Creek Project and other protected properties is to document the quality and quantity of available habitat for selected wildlife species. In this way, HEP provides information on the relative value of the same area at future points in time so that the effect of management activities on wildlife habitat can be quantified. When combined with other tools, the baseline HEP will be used to determine the most effective on-site management, restoration, and enhancement actions to increase habitat suitability for targeted species. The …
Date:
February 1, 2005
Creator:
Entz, Ray
Object Type:
Report
System:
The UNT Digital Library
2005 Habitat Evaluation Procedure (HEP) Report for the Priest River Project
On July 6, 2004, the Habitat Evaluation Procedure (HEP) was used to determine baseline habitat suitability on the Priest River property, an acquisition completed by the Kalispel Tribe of Indians in 2001. Evaluation species and appropriate models include bald eagle, black-capped chickadee, Canada goose, mallard, yellow warbler, and white-tailed deer. Habitat Suitability Index (HSI) values were visually estimated and agreed upon by all HEP team members. The Priest River Project provides a total of 105.41 Habitat Units (HUs) for the species evaluated. Conifer forest habitat provides 26.95 HUs for bald eagle, black-capped chickadee, and white-tailed deer. Grassland habitat provides 23.78 HUs for Canada goose and mallard. Scmb-shrub vegetation provides 54.68 HUs for mallard, yellow warbler, and white-tailed deer.
Date:
February 28, 2005
Creator:
Entz, Ray
Object Type:
Report
System:
The UNT Digital Library
2005 Habitat Evaluation Procedure (HEP) Report for the Tacoma Creek South Project
On July 6, 2004, the Habitat Evaluation Procedure (HEP) was used to determine baseline habitat suitability on the Tacoma Creek South property, an acquisition completed by the Kalispel Tribe of Indians in June 2004. Evaluation species and appropriate models include bald eagle, black-capped chickadee, Canada goose, mallard, muskrat, yellow warbler, and white-tailed deer. Habitat Suitability Index (HSI) values were visually estimated and agreed upon by all HEP team members. The Tacoma Creek South Project provides a total of 190.79 Habitat Units (HUs) for the species evaluated. Emergent wetlands provide 20.51 HUs for Canada goose, mallard, and muskrat. Grassland provides 1.65 HUs for Canada goose and mallard. Scrub-shrub vegetation provides 11.76 HUs for mallard, yellow warbler, and white-tailed deer. Conifer forest habitat provides 139.92 HUs for bald eagle, black-capped chickadee, and white-tailed deer. Deciduous forest also provides 19.15 HUs for bald eagle, black-capped chickadee, mallard, and white-tailed deer. The objective of using HEP at the Tacoma Creek South Project and other protected properties is to document the quality and quantity of available habitat for selected wildlife species. In this way, HEP provides information on the relative value of the same area at future points in time so that the effect of …
Date:
February 28, 2005
Creator:
Entz, Ray
Object Type:
Report
System:
The UNT Digital Library
2005 Habitat Evaluation Procedure (HEP) Report for the Upper Trimble Project
On July 13, 2004, the Habitat Evaluation Procedure (HEP) was used to determine baseline habitat suitability on the Upper Trimble property, an acquisition completed by the Kalispel Tribe of Indians in March 2004. Evaluation species and appropriate models include bald eagle, black-capped chickadee, Canada goose, mallard, muskrat, yellow warbler, and white-tailed deer. Habitat Suitability Index (HSI) values were visually estimated and agreed upon by all HEP team members. The Upper Trimble Project provides a total of 250.67 Habitat Units (HUs) for the species evaluated. Wet meadow provides 136.92 HUs for mallard, muskrat, and Canada goose. Mixed forest habitat provides 111.88 HUs for bald eagle, black-capped chickadee, mallard, and white-tailed deer. Scrub-shrub vegetation provides 1.87 HUs for yellow warbler, and white-tailed deer. The objective of using HEP at the Upper Trimble Project and other protected properties is to document the quality and quantity of available habitat for selected wildlife species. In this way, HEP provides information on the relative value of the same area at future points in time so that the effect of management activities on wildlife habitat can be quantified. When combined with other tools, the baseline HEP will be used to determine the most effective on-site management, restoration, …
Date:
February 28, 2005
Creator:
Entz, Ray
Object Type:
Report
System:
The UNT Digital Library
2005 Habitat Evaluation Procedure (HEP) Report for the West Beaver Lake Project
On September 7, 2004, the Habitat Evaluation Procedure (HEP) was used to determine baseline habitat suitability on the West Beaver Lake property, an acquisition completed by the Kalispel Tribe of Indians in September 2004. Evaluation species and appropriate models include bald eagle, black-capped chickadee, mallard, muskrat, and white-tailed deer. Habitat Suitability Index (HSI) values were visually estimated and agreed upon by all HEP team members. The West Beaver Lake Project provides a total of 103.08 Habitat Units (HUs) for the species evaluated. Emergent wetland habitat provides 7.17 HUs for mallard and muskrat. Conifer forest habitat provides 95.91 HUs for bald eagle, black-capped chickadee, mallard, and white-tailed deer. The objective of using HEP at the West Beaver Lake Project and other protected properties is to document the quality and quantity of available habitat for selected wildlife species. In this way, HEP provides information on the relative value of the same area at future points in time so that the effect of management activities on wildlife habitat can be quantified. When combined with other tools, the baseline HEP will be used to determine the most effective on-site management, restoration, and enhancement actions to increase habitat suitability for targeted species. The same process …
Date:
February 28, 2005
Creator:
Entz, Ray
Object Type:
Report
System:
The UNT Digital Library
21st Century Challenges: Reexamining the Base of the Federal Government
Testimony issued by the Government Accountability Office with an abstract that begins "This report stems from the recognition that the Congress faces a daunting challenge: the need to bring government and its programs in line with 21st century realities. This challenge has many related pieces: addressing the nation's large and growing long-term fiscal gap; deciding on the appropriate role and size of the federal government--and how to finance that government--and bringing the panoply of federal activities into line with today's world. The reexamination questions discussed in this report are drawn primarily from the work GAO has done for the Congress over the years. Many of these questions do not represent immediate crises, however many pose important longer-term threats to the country's fiscal and economic, and national security as well as the quality of life for our children and grandchildren."
Date:
February 16, 2005
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
21st Century Challenges: Reexamining the Base of the Federal Government
A chapter report issued by the Government Accountability Office with an abstract that begins "This report is intended to help the Congress in reviewing and reconsidering the base of federal spending and tax programs. It is intended as one input among many that Congress will receive as it decides what its agenda will be for oversight and program review. We have framed the issues presented as illustrative questions for policymakers to consider as a supplement to their own efforts. The questions are drawn from GAO's issued work, our strategic plan prepared in consultation with the Congress, input from several inspectors general and the institutional knowledge of our staff. They cover discretionary spending, mandatory spending, including entitlements, as well as tax policies and programs. While answers to these questions may draw on the work of GAO and others, only elected officials can and should decide which questions to address as well as how and when to address them. The report is organized in three sections. The first section sets the stage by providing the rationale for reexamining the base of the federal government and the scope of GAO's effort. The second section is organized around 12 areas of federal activity and …
Date:
February 1, 2005
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
235U Holdup Measurements in Three 321-M Exhaust HEPA Banks
The Analytical Development Section of Savannah River National Laboratory (SRNL) was requested by the Facilities Disposition Division to determine the holdup of enriched uranium in the 321-M facility as part of an overall deactivation project of the facility. The 321-M facility was used to fabricate enriched uranium fuel assemblies, lithium-aluminum target tubes, neptunium assemblies, and miscellaneous components for the production reactors. The results of the holdup assays are essential for determining compliance with the Waste Acceptance Criteria, Material Control & Accountability, and to meet criticality safety controls. This report covers holdup measurements of uranium residue in three HEPA filter exhaust banks of the 321-M facility. Each of the exhaust banks has dimensions near 7' x 14' x 4' and represents a complex holdup problem. A portable HPGe detector and EG&G Dart system that contains the high voltage power supply and signal processing electronics were used to determine highly enriched uranium (HEU) holdup. A personal computer with Gamma-Vision software was used to control the Dart MCA and to provide space to store and manipulate multiple 4096-channel {gamma}-ray spectra. Some acquisitions were performed with the portable detector configured to a Canberra Inspector using NDA2000 acquisition and analysis software. Our results for each …
Date:
February 24, 2005
Creator:
Dewberry, R
Object Type:
Report
System:
The UNT Digital Library
3D reconstruction of tensors and vectors
Here we have developed formulations for the reconstruction of 3D tensor fields from planar (Radon) and line-integral (X-ray) projections of 3D vector and tensor fields. Much of the motivation for this work is the potential application of MRI to perform diffusion tensor tomography. The goal is to develop a theory for the reconstruction of both Radon planar and X-ray or line-integral projections because of the flexibility of MRI to obtain both of these type of projections in 3D. The development presented here for the linear tensor tomography problem provides insight into the structure of the nonlinear MRI diffusion tensor inverse problem. A particular application of tensor imaging in MRI is the potential application of cardiac diffusion tensor tomography for determining in vivo cardiac fiber structure. One difficulty in the cardiac application is the motion of the heart. This presents a need for developing future theory for tensor tomography in a motion field. This means developing a better understanding of the MRI signal for diffusion processes in a deforming media. The techniques developed may allow the application of MRI tensor tomography for the study of structure of fiber tracts in the brain, atherosclerotic plaque, and spine in addition to fiber structure …
Date:
February 17, 2005
Creator:
Defrise, Michel & Gullberg, Grant T.
Object Type:
Report
System:
The UNT Digital Library
3rd Tech DeltaSphere-3000 Laser 3D Scene Digitizer infrared laser scanner hazard analysis.
A laser hazard analysis and safety assessment was performed for the 3rd Tech model DeltaSphere-3000{reg_sign} Laser 3D Scene Digitizer, infrared laser scanner model based on the 2000 version of the American National Standard Institute's Standard Z136.1, for the Safe Use of Lasers. The portable scanner system is used in the Robotic Manufacturing Science and Engineering Laboratory (RMSEL). This scanning system had been proposed to be a demonstrator for a new application. The manufacture lists the Nominal Ocular Hazard Distance (NOHD) as less than 2 meters. It was necessary that SNL validate this NOHD prior to its use as a demonstrator involving the general public. A formal laser hazard analysis is presented for the typical mode of operation for the current configuration as well as a possible modified mode and alternative configuration.
Date:
February 1, 2005
Creator:
Augustoni, Arnold L.
Object Type:
Report
System:
The UNT Digital Library
79th Texas Legislature, Regular Session, House Concurrent Resolution 12
Concurrent resolution introduced by the Texas House of Representatives and Senate honoring George Mitchell on the 30th anniversary of the founding of The Woodlands.
Date:
February 11, 2005
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
79th Texas Legislature, Regular Session, House Concurrent Resolution 15
Concurrent resolution introduced by the Texas House of Representatives and Senate honoring the life of U.S. Army Corporal William M. Amundson, Jr., of The Woodlands.
Date:
February 11, 2005
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
79th Texas Legislature, Regular Session, House Concurrent Resolution 23
Concurrent resolution introduced by the Texas House of Representatives and Senate honoring Thomas Clark Brown of Midland on his receipt of the 2004 Permian Basin Petroleum Association Top Hand Award.
Date:
February 11, 2005
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
79th Texas Legislature, Regular Session, House Concurrent Resolution 32
Concurrent resolution introduced by the Texas House of Representatives and Senate honoring the Huff Diary and Wagon Train Project in January 2005.
Date:
February 11, 2005
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
79th Texas Legislature, Regular Session, House Concurrent Resolution 33
Concurrent resolution introduced by the Texas House of Representatives and Senate inviting the chief justice of the Supreme Court of Texas to address a joint session of the legislature on Wednesday, February 23, 2005.
Date:
February 1, 2005
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
79th Texas Legislature, Regular Session, House Concurrent Resolution 38
Concurrent resolution introduced by the Texas House of Representatives and Senate recognizing January 2005 as National Stalking Awareness Month.
Date:
February 11, 2005
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
79th Texas Legislature, Regular Session, House Concurrent Resolution 39
Concurrent resolution introduced by the Texas House of Representatives and Senate honoring Leonard Reese for his exceptional service to the Texas Legislative Council on the occasion of his retirement as assistant executive director and general counsel with that agency.
Date:
February 11, 2005
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
79th Texas Legislature, Regular Session, House Concurrent Resolution 43
Concurrent resolution introduced by the Texas House of Representatives and Senate commemorating the 20th anniversary of the creation of the Texas Silver-Haired Legislature.
Date:
February 11, 2005
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
79th Texas Legislature, Regular Session, House Concurrent Resolution 45
Concurrent resolution introduced by the Texas House of Representatives and Senate designating February 7, 2005, as Tim Flynn Day and Advanced Practice Nurses Day at the Capitol.
Date:
February 11, 2005
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History