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603 Matching Results

Start Over Decade 2000-2009 Month July Day 18th

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Results: 1 - 24 of 603 next

(open access)

Quarterly Progress Report - Biological Monitoring Program for East Fork Poplar Creek

In May 1985, a National Pollutant Discharge Elimination System (NPDES) permit was issued for the Oak Ridge Y-12 Plant. As a condition of the permit, a Biological Monitoring and Abatement Program (BMAP) was developed to demonstrate that the effluent limitations established for the Y-12 Plant protect the classified uses of the receiving stream (East Fork Poplar Creek; EFPC), in particular, the growth and propagation of aquatic life (Loar et al. 1989). A second objective of the BMAP is to document the ecological effects resulting from the implementation of a water pollution control program designed to eliminate direct discharges of wastewaters to EFPC and to minimize the inadvertent release of pollutants to the environment. Because of the complex nature of the discharges to EFPC and the temporal and spatial variability in the composition of the discharges, a comprehensive, integrated approach to biological monitoring was developed. A new permit was issued to the Y-12 Plant on April 28, 1995 and became effective on July 1, 1995. Biological monitoring continues to be required under the new permit. The BMAP consists of four major tasks that reflect different but complementary approaches to evaluating the effects of the Y-12 Plant discharges on the aquatic integrity …

Date: July 18, 2000

Creator: Adams, S. M.; Christensen, S. W.; Greeley, M. S. Jr.; Hill, W. R.; Mccarthy, J. F.; Peterson, M. J. et al.

Object Type: Report

System: The UNT Digital Library

(open access)

U.S.-European Union Trade Relations: Issues and Policy Challenges

None

Date: July 18, 2002

Creator: Ahearn, Raymond J.

Object Type: Report

System: The UNT Digital Library

(open access)

House and Senate Chaplains

None

Date: July 18, 2003

Creator: Amer, Mildred L.

Object Type: Report

System: The UNT Digital Library

(open access)

Altus Times (Altus, Okla.), Vol. 106, No. 93, Ed. 1 Sunday, July 18, 2004

Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.

Date: July 18, 2004

Creator: Andrews, Mike

Object Type: Newspaper

System: The Gateway to Oklahoma History

(open access)

Altus Times (Altus, Okla.), Vol. 107, No. 91, Ed. 1 Monday, July 18, 2005

Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.

Date: July 18, 2005

Creator: Andrews, Mike

Object Type: Newspaper

System: The Gateway to Oklahoma History

(open access)

Simulation of a Spherical Wave Experiment in Marble using a Multidirectional Damage Model

This paper presents experimental results and computational simulations of spherical wave propagation in Danby marble. The experiment consisted of a 2-cm-diameter explosive charge detonated in the center of a cylindrical rock sample. Radial particle velocity histories were recorded at several concentric locations in the sample. An extensively damaged region near the charge cavity and two networks of cracks were evident in the specimen after the test. The first network consists of radial cracks emanating form the cavity and extending about halfway through the specimen. The second network consists of circumferential cracks occurring in a relatively narrow band that extends from the outer boundary of the radially cracked region toward the free surface. The experiment was simulated using the GEODYN code and a multi-directional damage model. The model is developed within the framework of a properly invariant nonlinear thermomechanical theory with damage represented by a second order tensor that admits load-induced anisotropy such as was observed in the experiment.

Date: July 18, 2003

Creator: Antoun, T H & Lomov, I N

Object Type: Article

System: The UNT Digital Library