The acrylic vessel as constructed is dirty. The dirt includes blue tape, Al tape, grease pencil, gemak, the glue or residue form these tapes, finger prints and dust of an unknown composition but probably mostly acrylic dust. This dirt has to be removed and once removed, the vessel has to be kept clean or at least to be easily cleanable at some future stage when access becomes much more difficult. The authors report on the results of a series of tests designed: (a) to prepare typical dirty samples of acrylic; (b) to remove dirt stuck to the acrylic surface; and (c) to measure the optical quality and Th concentration after cleaning. Specifications of the vessel call for very low levels of Th which could come from tape residues, the grease pencil, or other sources of dirt. This report does not address the concerns of how to keep the vessel clean after an initial cleaning and during the removal of the scaffolding. Alconox is recommended as the cleaner of choice. This acrylic vessel will be used in the Sudbury Neutrino Observatory.

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

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Task 4 experimental testing was continued. Six first-stage one-liter autoclave tests were made at reduced severity conditions. A device to reduce the in-line filter diameter proved difficult to use and resulted in little usable filtration data. Its use was discontinued. The second-stage reactor system was overhauled and used to process Wilsonville Run 263J resid. Resid conversion and yields were commensurate with expected results. The economic and engineering evaluation of the Novel Concept process, based on Task 2 and Task 3 experimental data, was begun. The design of a conceptual commercial plant was completed. The economic and engineering evaluation illuminated components of the process operating and capital cost estimates which, if appropriately altered, could significantly reduce the cost of product (gasoline) from the process. This provided direction for the Task 4 experimental program.

We construct T-duality on K3 surfaces. The T-duality exchanges a 4-brane R-R charge and a O-brane R-R charge. We study the action of the T-duality on the moduli space of O-branes located at points of K3 and 4-branes wrapping it. We apply the construction to F-theory compactified on a Calabi-Yau 4-fold and study the duality of N = 2 SU(N{sub c}) gauge theories in four dimensions. We discuss the generalization to the N = 1 duality scenario.

The Forest Service in the Department of Agriculture and the Bureau of Land Management in the Department of the Interior each currently have a system of administrative appeals for moat agency land management decisions. Critics assert that administrative and judicial appeals are stopping or unacceptably slowing the decision-making processes and the use of federal lands and resources; that many appeals are "frivolous" and brought for the purpose of frustrating rather than improving land management actions, and that appeals greatly increase the costs of management

This Functional Design Criteria is designed to summarize and give guidance during the development of design, manufacturing and testing specification documents. As the overview document bounding parameters are specified with detailed acceptance criteria to be developed in the more detailed and separate design, manufacturing and testing specification documents.

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None

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 5pm.

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.