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298 Matching Results
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Evaluate fundamental approaches to longwall dust control. Phase III report
The overall objective of the contract is to evaluate the effectiveness of available dust control technology for double-drum shearer longwall sections in a coordinated, systematic program at a few longwall test sections and to make the results available to the entire coal mining industry. This program is investigating nine different dust control techniques. These nine subprograms encompass a broad range of dust control measures ranging from administrative controls to new hardware. They span not only presently employed methods but also those recently adopted in the United States and those proposed for the future. This report documents the Phase III effort on each of the subprograms. For clarity, the report is divided in sections by subprogram as follows: Section 2, Subprogram A - passive barriers/spray air movers for dust control; Section 3, Subprogram B - practical aspects of deep cutting; Section 4, Subprogram C - stage loader dust control; Section 5, Subprogram D - longwall automation technology; Section 6, Subprogram E - longwall application of ventilation curtains; Section 7, Subprogram F - reversed drum rotation; Section 8, Subprogram G - reduction of shield generated dust; Section 9, Subprogram H - air canopies for longwalls; and Section 10, Subprogram I - mining …
Date:
March 31, 1984
Creator:
Babbitt, C.; Bartlett, P.; Kelly, J.; Ludlow, J.; Mangolds, A.; Rajan, S. et al.
Object Type:
Report
System:
The UNT Digital Library
Hydroacoustic Monitoring of Downstream Migrant Salmon and Steelhead at Wells Dam in Spring 1984.
The downstream migration of salmon and steelhead in spring 1984 at Wells Dam on the mid-Columbia River was monitored using hydroacoustics. The primary objective of this research was to document run timing and describe the distribution of smolts at the dam. The study occurred from April 2 to June 15, 1984. Four transducers were deployed at the bases of pier noses at Turbines 3, 5, 7, and 9 and aimed up 24/sup 0/ into the forebay. They were sampled once every hour, 24 hours per day, for 75 days. An index of fish passage was reported daily to the Water Budget Center in Portland, Oregon. This index was computed as follows. For each 24-h period, separate fish passage rates (number/time) at each of the four sampling locations were estimated by dividing the sum of the ''weighted'' fish detections by total sample time. These four values then were averaged to produced the daily index (number/day/location). The first substantial increase in fish passage occurred on April 25, 1984 due to the chinook released from the Winthrop hatchery on April 23. During May, run timing was fairly uniform except for peaks on May 2, 14, 18, and 22. The unexpected peak in run …
Date:
October 31, 1984
Creator:
Raemhild, Gary A.
Object Type:
Report
System:
The UNT Digital Library
District heating and cooling systems for communities through power plant retrofit distribution network. Phase 2. Final report, March 1, 1980-January 31, 1984. Volume IV
This volume contains the following: discussion of cost estimating methodology, detailed cost estimates of Hudson No. 2 retrofit, intermediate thermal plant (Kearny No. 12) and local heater plants; transmission and distribution cost estimate; landfill gas cost estimate; staged development scenarios; economic evaluation; fuel use impact; air quality impact; and alternatives to district heating.
Date:
January 31, 1984
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
District heating and cooling systems for communities through power plant retrofit distribution network. Phase 2. Final report, 1 March 1980-31 January 1984. Volume VII. Appendix C
This volume contains: Hudson No. 2 Limited Retrofit Cost Estimates provided by Stone and Webster Engineering Corp. (SWEC); backup data and basis of estimate for SWEC Heater Plant and Gas Turbine Plant (Kearny No. 12) cost estimates; and Appendices - Analysis of Relevant Tax Laws.
Date:
January 31, 1984
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Riegel Textile Corporation, Ware Shoals cogeneration. Final technical report
Riegel signed a cooperative cost sharing agreement with the Department of Energy to design, purchase, install, and operate a new cogeneration system in which a new turbine/generator unit exhausts steam at 225/sup 0/PSIG. The background of Riegel's previous cogeneration experience is presented; this project is described; and problems experienced in getting the boiler on-line and the turbine/generator up to speed are summarized. The project cost, operating cost, savings, and return on investment are presented. (MHR)
Date:
January 31, 1984
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
District heating and cooling systems for communities through power plant retrofit distribution network, Phase 2. Final report, 1 March 1980-31 January 1984. Volume II
This volume begins with an Introduction summarizing the history, methodology and scope of the study, the project team members and the private and public groups consulted in the course of the study. The Load and Service Area Assessment follows, including: a compilation and analysis of existing statistical thermal load data from census data, industrial directories, PSE and G records and other sources; an analysis of responses to a detailed, 4-page thermal load questionnaire; data on public buildings and fuel and energy use provided by the New Jersey Dept. of Energy; and results of other customer surveys conducted by PSE and G. A discussion of institutional questions follows. The general topic of rates is then discussed, including a draft hypothetical Tariff for Thermal Services. Financial considerations are discussed including a report identifying alternative ownership/financing options for district heating systems and the tax implications of these options. Four of these options were then selected by PSE and G and a financial (cash-flow) analysis done (by the PSE and G System Planning Dept.) in comparison with a conventional heating alternative. Year-by-year cost of heat ($/10/sup 6/ Btu) was calculated and tabulated, and the various options compared.
Date:
January 31, 1984
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
[News Clip: Pasadena Tornado]
Video footage from the WBAP-TV station in Fort Worth, Texas, to accompany a news story about a tornado in Pasadena, Texas. This footage shows people looking through storm damaged properties. This story aired at 5:00 P.M.
Date:
December 31, 1984
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
The Tulia Herald (Tulia, Tex.), Vol. 76, No. 22, Ed. 1 Thursday, May 31, 1984
Weekly newspaper from Tulia, Texas that includes local, state and national news along with extensive advertising.
Date:
May 31, 1984
Creator:
Tooley, Wendell
Object Type:
Newspaper
System:
The Portal to Texas History
Cascade: a review of heat transport and plant design issues
A conceptual heat transfer loop for Cascade, a centrifugal-action solid-breeder reaction chamber, has been investigated and results are presented. The Cascade concept, a double-cone-shaped reaction chamber, rotates along its horizontal axis. Solid Li/sub 2/O or other lithium-ceramic granules are injected tangentially through each end of the chamber. The granules cascade axially from the smaller radii at the ends to the larger radius at the center, where they are ejected into a stationary granule catcher. Heat and tritium are then removed from the granules and the granules are reinjected into the chamber. A 50% dense Li/sub 2/O granule throughput of 2.8 m/sup 3//s is transferred from the reaction chamber to the steam generators via continuous bucket elevators. The granules then fall by gravity through 4 vertical steam generators. The entire transport system is maintained at the same vacuum conditions present inside the reaction chamber.
Date:
July 31, 1984
Creator:
Murray, K.A. & McDowell, M.W.
Object Type:
Report
System:
The UNT Digital Library
[News Clip: Michelle Trimmer]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 31, 1984, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Gramm profile]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 31, 1984, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
Characterization of the solid, airborne materials created by the interaction of UF/sub 6/ with atmospheric moisture in a contained volume
Several experiments have been performed in which UF/sub 6/ was released into air under static conditions in a 6 m/sup 3/ release chamber in order to characterize the solid products of hydrolysis as the amount of UF/sub 6/ released was increased. An aerosol concentration of approx. 25 gm/m/sup 3/ (150 gm) was the largest achieved. Electron microscopy was used to determine the morphology of the aerosol particles and to obtain geometric size measurements from micrographs and a cascaded impactor was used to obtain aerodynamic size measurements by measuring particle masses. Particle sizes and rate of particle size change were observed to be dependent on aerosol concentration.
Date:
December 31, 1984
Creator:
Pickrell, P. W.
Object Type:
Report
System:
The UNT Digital Library
Low-lying isovector excitations in heavy nuclei
The neutron-neutron and proton-proton effective interaction in nuclei is qualitatively different than the neutron-proton effective interaction in nuclei. This difference can lead to low-lying isovector J/sup ..pi../=2/sup +/ states in heavy nuclei. 19 references.
Date:
October 31, 1984
Creator:
Ginocchio, J.N.
Object Type:
Article
System:
The UNT Digital Library
News Journal (Drumright, Okla.), Vol. 65, No. 47, Ed. 1 Wednesday, October 31, 1984
Weekly newspaper from Drumright and Mannford, Oklahoma that includes local, state, and national news along with advertising.
Date:
October 31, 1984
Creator:
Hopper, Ellie
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Municipal solid waste energy conversion study on Guam and American Samoa
In the Pacific Islands of Guam and Tutuila in American Samoa, conversion of municipal solid waste to useable energy forms - principally electricity but possibly steam - may hold promise for reducing economic dependence on imported petroleum. A secondary benefit may be derived from reduction of solid waste landfill requirements. At the preliminary planning stage, waste-to-energy facilities producing electricity appear technically and environmentally feasible. Economically, the projects appear marginal but could be viable under specific conditions related to capital costs, revenue from garbage collection and revenue from the sale of the energy generated. Grant funding for the projects would considerably enhance the economic viability of the proposed facilities. The projects appear sufficiently viable to proceed to the detailed planning stage. Such projects are not viable for the islands now emerging from the US Trust Territory of the Pacific Islands.
Date:
March 31, 1984
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Pressure phase lines and enthalpies for the. cap alpha. -. beta. and. beta. -liquid transitions in beryllium
The effect of hydrostatic pressure on the ..cap alpha..-..beta.. and ..beta..-liquid transition temperatures in Be was measured in a gas pressure system. Differential thermal analysis was used in the pressure range from 0.1 MPa to 0.7 GPa. For the ..cap alpha..-..beta.. transition, dT/dP = 43 +- 7 K/GPa; for the ..beta..-liquid transition, dT/dP = 35 +- 7 K/GPa. Although it is possible that large systematic errors may arise from experimental procedures, our results are seriously at odds with those of other investigators. Transition enthalpies for the ..cap alpha..-..beta.. and ..beta..-liquid transitions were 1.9 +- 0.2 and 2.2 +- 0.2 kcal/g.m., respectively, at a pressure of 0.1 MPa.
Date:
October 31, 1984
Creator:
Abey, A.
Object Type:
Report
System:
The UNT Digital Library
[News Clip: Diabetes machine]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
August 31, 1984, 5:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Oriole Street]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
December 31, 1984, 6:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
[News Clip: Myrick]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
March 31, 1984, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
The Cherokeean. (Rusk, Tex.), Vol. 135, No. 16, Ed. 1 Thursday, May 31, 1984
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
May 31, 1984
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Rio Grande Herald (Rio Grande City, Tex.), Vol. 38, No. 31, Ed. 1 Thursday, May 31, 1984
Weekly newspaper from Rio Grande City, Texas that includes local, state and national news along with extensive advertising.
Date:
May 31, 1984
Creator:
Roberts, Kenneth
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Register, Volume 9, Number 8, Pages 531-596, January 31, 1984
A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date:
January 31, 1984
Creator:
Texas. Secretary of State.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Texas Register, Volume 9, Number 65, Pages 4643-4702, August 31, 1984
A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.
Date:
August 31, 1984
Creator:
Texas. Secretary of State.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
[News Clip: Dallas transit board]
B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
October 31, 1984
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library