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395 Matching Results

Start Over Year 1996 Day 29th

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Results: 1 - 24 of 395 next

(open access)

METEOROLOGICAL MONITORING PROGRAM, PARTICULATE MATTER AMBIENT AIR QUALITY MONITORING REPORT, JANUARY 1992 THROUGH DECEMBER 1995

None

Date: March 29, 1996

Creator: /a, n

Object Type: Report

System: The UNT Digital Library

(open access)

Cost Effective Machining and Inspection of Structural Ceramic Components for Advanced High Temperature Application. Final CRADA Report for CRADA Number Y-1292-0151

This Cooperative Research and Development Agreement (CRADA) was a mutual research and development (R and D) effort among the participants to investigate a range of advanced manufacturing technologies for two silicon nitride (Si{sub 3}N{sub 4}) ceramic materials. The general objective was to identify the most cost-effective part manufacturing processes for the ceramic materials of interest. The focus was determining the relationship between material removal rates, surface quality, and the structural characteristics of each ceramic resulting from three innovative processes. These innovated machining processes were studied using silicon nitride advanced materials. The particular (Si{sub 3}N{sub 4}) materials of interest were sintered GS-44 from the Norton Company, and reaction-bonded Ceraloy 147-3. The processes studied included the following activities: (1) direct laser machining; (2) rotary ultrasonic machining; and (3) diamond abrasive grinding, including both resinoid and vitreous-bonded grinding wheels. Both friable and non-friable diamond types were included within the abrasive grinding study. The task also conducted a comprehensive survey of European experience in use of ceramic materials, principally aluminum oxide. Originally, the effort of this task was to extend through a prototype manufacturing demonstration of selected engine components. During the execution of this program, however changes were made to the scope of the …

Date: November 29, 1996

Creator: Abbatiello, L. A. & Haselkorn, M.

Object Type: Report

System: The UNT Digital Library

(open access)

Development of a video-based slurry sensor for on-line ash analysis. Fifth quarterly technical progress report, October 1, 1995--December 31, 1995

Automatic control of fine coal cleaning circuits has traditionally been limited by the lack of sensors for on-line ash analysis. Although several nuclear-based analyzers are available, none have seen widespread acceptance. This is largely due to the fact that nuclear sensors are expensive and tend to be influenced by changes in seam type and pyrite content. Recently, researchers at VPI&SU have developed an optical sensor for phosphate analysis. The sensor uses image processing technology to analyze video images of phosphate ore. It is currently being used by PCS Phosphate for off-line analysis of dry flotation concentrate. The primary advantages of optical sensors over nuclear sensors are that hey are significantly cheaper, are not subject to measurement variations due to changes in high atomic number materials, are inherently safer and require no special radiation permitting. The purpose of this work is to apply the knowledge gained in the development of an optical phosphate analyzer to the development of an on-line ash analyzer for fine coal slurries. During the past quarter, the current prototype of the on-line optical ash analyzer was subjected to extensive testing at the Middlefork coal preparation plant. Initial work focused on obtaining correlations between ash content and mean …

Date: January 29, 1996

Creator: Adel, G. T. & Luttrell, G. H.

Object Type: Report

System: The UNT Digital Library

(open access)

Safety evaluation for packaging (onsite) for concrete-shielded RHTRU waste drum for the 327 postirradiation testing laboratory

This safety evaluation for packaging authorizes onsite transport of Type B quantities of radioactive material in the Concrete- Shielded Remote-Handled Transuranic Waste (RH TRU) Drum per WHC-CM-2-14, Hazardous Material Packaging and Shipping. The drum will be used for transport of 327 Building legacy waste from the 300 Area to the Transuranic Waste Storage and Assay Facility in the 200 West Area and on to a Solid Waste Storage Facility, also in the 200 Area.

Date: October 29, 1996

Creator: Adkins, H. E.

Object Type: Report

System: The UNT Digital Library

(open access)

Waste status and transaction record summary (WSTRS) for the northeast quadrant of the Hanford 200 area

This supporting document contains a database of waste transactions and waste status reports for all the waste tanks in the northeast quadrant of the 200 Area of the Hanford Site.

Date: January 29, 1996

Creator: Agnew, S. F.; Corbin, R. A.; Duran, T. B.; Jurgensen, K. A.; Ortiz, T. P. & Young, B. L.

Object Type: Report

System: The UNT Digital Library

(open access)

The Boerne Star (Boerne, Tex.), Vol. 92, No. 78, Ed. 1 Tuesday, October 29, 1996

Semiweekly newspaper from Boerne, Texas that includes local, state, and national news along with advertising.

Date: October 29, 1996

Creator: Aldridge, Leon & D'Amico, Rob

Object Type: Newspaper

System: The Portal to Texas History

(open access)

The Boerne Star (Boerne, Tex.), Vol. 92, No. 87, Ed. 1 Friday, November 29, 1996

Semiweekly newspaper from Boerne, Texas that includes local, state, and national news along with advertising.

Date: November 29, 1996

Creator: Aldridge, Leon & D'Amico, Rob

Object Type: Newspaper

System: The Portal to Texas History

(open access)

The Boerne Star (Boerne, Tex.), Vol. 92, No. 17, Ed. 1 Friday, March 29, 1996

Semiweekly newspaper from Boerne, Texas that includes local, state, and national news along with advertising.

Date: March 29, 1996

Creator: Aldridge, Leon & Priddy, Travis

Object Type: Newspaper

System: The Portal to Texas History

(open access)

Quantification of seismic liquefaction risk

Explicit goals of acceptable risk for natural phenomena hazards (earthquake, extreme wind, and flood) have been established by the Department of Energy (DOE) 1994. Closely associated to the earthquake risk is the issue of seismically-induced liquefaction. Because deterministic methods currently available to answer the question to whether a site is liquefiable or not are incapable of providing a clue as to the likelihood or risk of liquefaction, the application of the criteria to a given facility requires that alternative evaluation techniques be formulated. This paper describes the application to a nuclear facility of a newly developed probabilistic methodology which rigorously accounts for geotechnical and seismologic uncertainties. The results of the analyses are compared with the acceptable levels of risk presented by DOE. This comparison is used to emphasize the power of the methodology as a tool in the decision-making processes.

Date: February 29, 1996

Creator: Arango, I.; Ostadan, F.; Lewis, M. R. & Gutierrez, B. J.

Object Type: Article

System: The UNT Digital Library