Investigation of percussion drills for geothermal applications (open access)

Investigation of percussion drills for geothermal applications

A series of tests was conducted to provide data for an economic evaluation of percussion drilling in geothermal reservoirs. Penetration rate, operation on aqueous foam, and high temperature vulnerabilities of downhole percussion tools are described.
Date: January 1, 1981
Creator: Finger, J. T.
Object Type: Article
System: The UNT Digital Library
TOPOLOGICAL THEORY OF HADRONS II: BARYONS (open access)

TOPOLOGICAL THEORY OF HADRONS II: BARYONS

The first paper of this series described a method for incorporating spin into the meson sector of the topological theory of hadrons. This second paper extends the theory to all hadrons. It also incorporates into the covariant S-matrix topological framework the group-theoretic properties of the constituent quark model.
Date: October 1, 1981
Creator: Stapp, Henry P.
Object Type: Report
System: The UNT Digital Library
Sulphur Springs News-Telegram (Sulphur Springs, Tex.), Vol. 103, No. 103, Ed. 1 Friday, May 1, 1981 (open access)

Sulphur Springs News-Telegram (Sulphur Springs, Tex.), Vol. 103, No. 103, Ed. 1 Friday, May 1, 1981

Daily newspaper from Sulphur Springs, Texas that includes local, state, and national news along with advertising.
Date: May 1, 1981
Creator: Keys, Clarke
Object Type: Newspaper
System: The Portal to Texas History
Lake Keystone News (Mannford, Okla.), Vol. 22, No. 29, Ed. 1 Wednesday, July 1, 1981 (open access)

Lake Keystone News (Mannford, Okla.), Vol. 22, No. 29, Ed. 1 Wednesday, July 1, 1981

Semiweekly newspaper from Mannford, Oklahoma that includes local, state, and national news along with advertising.
Date: July 1, 1981
Creator: Smith, Charlotte
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Chickasha Daily Express (Chickasha, Okla.), Vol. 89, No. 57, Ed. 1 Monday, June 1, 1981 (open access)

The Chickasha Daily Express (Chickasha, Okla.), Vol. 89, No. 57, Ed. 1 Monday, June 1, 1981

Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date: June 1, 1981
Creator: Drew, Charles C.
Object Type: Newspaper
System: The Gateway to Oklahoma History
The North Texas Daily (Denton, Tex.), Vol. 64, No. 110, Ed. 1 Friday, May 1, 1981 (open access)

The North Texas Daily (Denton, Tex.), Vol. 64, No. 110, Ed. 1 Friday, May 1, 1981

Daily student newspaper from the North Texas State University in Denton, Texas that includes local, state, and campus news along with advertising.
Date: May 1, 1981
Creator: Ware, Sharon
Object Type: Newspaper
System: The Portal to Texas History
Polk County Enterprise (Livingston, Tex.), Vol. 99, No. 18, Ed. 1 Sunday, March 1, 1981 (open access)

Polk County Enterprise (Livingston, Tex.), Vol. 99, No. 18, Ed. 1 Sunday, March 1, 1981

Semi-weekly newspaper from Livingston, Texas that includes local, state and national news along with advertising.
Date: March 1, 1981
Creator: White, Barbara
Object Type: Newspaper
System: The Portal to Texas History
The Chickasha Daily Express (Chickasha, Okla.), Vol. 89, No. 4, Ed. 1 Wednesday, April 1, 1981 (open access)

The Chickasha Daily Express (Chickasha, Okla.), Vol. 89, No. 4, Ed. 1 Wednesday, April 1, 1981

Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date: April 1, 1981
Creator: Drew, Charles C.
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Chickasha Daily Express (Chickasha, Okla.), Vol. 99, No. 189, Ed. 1 Sunday, November 1, 1981 (open access)

The Chickasha Daily Express (Chickasha, Okla.), Vol. 99, No. 189, Ed. 1 Sunday, November 1, 1981

Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date: November 1, 1981
Creator: Drew, Charles C.
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Llano News (Llano, Tex.), Vol. 90, No. 9, Ed. 1 Thursday, January 1, 1981 (open access)

The Llano News (Llano, Tex.), Vol. 90, No. 9, Ed. 1 Thursday, January 1, 1981

Weekly newspaper from Llano, Texas that includes local, state, and national news along with advertising.
Date: January 1, 1981
Creator: Cunningham, T. H.
Object Type: Newspaper
System: The Portal to Texas History
The Chickasha Daily Express (Chickasha, Okla.), Vol. 89, No. 83, Ed. 1 Wednesday, July 1, 1981 (open access)

The Chickasha Daily Express (Chickasha, Okla.), Vol. 89, No. 83, Ed. 1 Wednesday, July 1, 1981

Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date: July 1, 1981
Creator: Drew, Charles C.
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Perry Daily Journal (Perry, Okla.), Vol. 88, No. 204, Ed. 1 Thursday, October 1, 1981 (open access)

The Perry Daily Journal (Perry, Okla.), Vol. 88, No. 204, Ed. 1 Thursday, October 1, 1981

Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date: October 1, 1981
Creator: Watson, Milo W.
Object Type: Newspaper
System: The Gateway to Oklahoma History
South Belt Leader (Houston, Tex.), Vol. 6, No. 22, Ed. 1 Wednesday, July 1, 1981 (open access)

South Belt Leader (Houston, Tex.), Vol. 6, No. 22, Ed. 1 Wednesday, July 1, 1981

Weekly newspaper from Houston, Texas that includes local news along with advertising.
Date: July 1, 1981
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
Environmental decontamination (open access)

Environmental decontamination

The record of the proceedings of the workshop on environmental decontamination contains twenty-seven presentations. Emphasis is placed upon soil and surface decontamination, the decommissioning of nuclear facilities, and assessments of instrumentation and equipment used in decontamination. (DLS)
Date: February 1, 1981
Creator: Cristy, George A. & Jernigan, Helen C.
Object Type: Article
System: The UNT Digital Library
South Dakota State Briefing Book for low-level radioactive waste management (open access)

South Dakota State Briefing Book for low-level radioactive waste management

The South Dakota State Briefing Book is one of a series of state briefing books on low-level radioactive waste management practices. It has been prepared to assist state and federal agency officials in planning for safe low-level radioactive waste disposal. The report contains a profile of low-level radioactive waste generators in South Dakota. The profile is the result of a survey of NRC licensees in South Dakota. The briefing book also contains a comprehensive assessment of low-level radioactive waste management issues and concerns as defined by all major interested parties including industry, government, the media, and interest groups. The assessment was developed through personal communications with representatives of interested parties, and through a review of media sources. Lastly, the briefing book provides demographic and socioeconomic data and a discussion of relevant government agencies and activities, all of which may impact waste management practices in South Dakota.
Date: October 1, 1981
Creator: unknown
Object Type: Report
System: The UNT Digital Library
South Belt Leader (Houston, Tex.), Vol. 6, No. 9, Ed. 1 Wednesday, April 1, 1981 (open access)

South Belt Leader (Houston, Tex.), Vol. 6, No. 9, Ed. 1 Wednesday, April 1, 1981

Weekly newspaper from Houston, Texas that includes local news along with advertising.
Date: April 1, 1981
Creator: unknown
Object Type: Newspaper
System: The Portal to Texas History
Cleveland Advocate (Cleveland, Tex.), Vol. 62, No. 27, Ed. 1 Wednesday, April 1, 1981 (open access)

Cleveland Advocate (Cleveland, Tex.), Vol. 62, No. 27, Ed. 1 Wednesday, April 1, 1981

Semiweekly newspaper from Cleveland, Texas that includes local, state, and national news along with advertising.
Date: April 1, 1981
Creator: Bolin, Roy
Object Type: Newspaper
System: The Portal to Texas History
Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 67, No. 170, Ed. 1 Wednesday, April 1, 1981 (open access)

Sapulpa Daily Herald (Sapulpa, Okla.), Vol. 67, No. 170, Ed. 1 Wednesday, April 1, 1981

Daily newspaper from Sapulpa, Oklahoma that includes local, state, and national news along with advertising.
Date: April 1, 1981
Creator: Lake, Charles S.
Object Type: Newspaper
System: The Gateway to Oklahoma History
Muoproduction of J/psi(3100) (open access)

Muoproduction of J/psi(3100)

Interactions of 209-GeV muons within an instrumented magnetized-steel calorimeter have produced 4374 +- 87 ..mu../sup +/..mu../sup -/ pairs from J/psi decay, corresponding to the cross section sigma(..mu..N ..-->.. ..mu.. psi X) = 0.64 +- 0.10 nb. These interactions are classified as either elastic (sigma = 0.36 +- 0.07 nb) or inelastic (sigma = 0.28 +- 0.06 nb) based primarily on the calorimetric determination of E/sub X/. The cross section for elastic psi production by virtual photons, sigma/sub eff/(..gamma../sub V/N), rises with energy nu as log nu. Its dependence on Q/sup 2/ fits the vector-meson dominance form P(..lambda..) = (1 + Q/sup 2//..lambda../sup 2/)/sup -2/, with ..lambda.. = (2.0 - 2.4) +- 0.15 GeV, where the spread in values arises from considering the possibility of a Q/sup 2/ dependence in the decay angular distribution W (theta,phi) and in the nuclear shadowing factor. We find that W(theta,phi) is consistent with the form expected if the reaction ..gamma../sub V/N ..-->.. psiN conserves helicity in the s channel through natural-parity exchange in the t channel. After correction for nuclear effects, d sigma/sub eff//dt is described by the sum of two exponential terms in t, with average t slope b = 2.56 (+0.35 or - …
Date: October 1, 1981
Creator: Markiewicz, T.W.
Object Type: Report
System: The UNT Digital Library
The Panola Watchman (Carthage, Tex.), Vol. 108, No. 62, Ed. 1 Sunday, February 1, 1981 (open access)

The Panola Watchman (Carthage, Tex.), Vol. 108, No. 62, Ed. 1 Sunday, February 1, 1981

Semiweekly newspaper from Carthage, Texas that includes local, state, and national news along with advertising.
Date: February 1, 1981
Creator: Douglas, Marshall
Object Type: Newspaper
System: The Portal to Texas History
Oklahoma City Times (Oklahoma City, Okla.), Vol. 92, No. 112, Ed. 1 Wednesday, July 1, 1981 (open access)

Oklahoma City Times (Oklahoma City, Okla.), Vol. 92, No. 112, Ed. 1 Wednesday, July 1, 1981

Daily newspaper from Oklahoma City, Oklahoma that includes local, state, and national news along with advertising.
Date: July 1, 1981
Creator: Standard, Jim
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Chickasha Daily Express (Chickasha, Okla.), Vol. 88, No. 289, Ed. 1 Sunday, March 1, 1981 (open access)

The Chickasha Daily Express (Chickasha, Okla.), Vol. 88, No. 289, Ed. 1 Sunday, March 1, 1981

Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date: March 1, 1981
Creator: Drew, Charles C.
Object Type: Newspaper
System: The Gateway to Oklahoma History
The Baytown Sun (Baytown, Tex.), Vol. 59, No. 53, Ed. 1 Thursday, January 1, 1981 (open access)

The Baytown Sun (Baytown, Tex.), Vol. 59, No. 53, Ed. 1 Thursday, January 1, 1981

Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date: January 1, 1981
Creator: Brown, Leon
Object Type: Newspaper
System: The Portal to Texas History
Oklahoma City Times (Oklahoma City, Okla.), Vol. 92, No. 112, Ed. 2 Wednesday, July 1, 1981 (open access)

Oklahoma City Times (Oklahoma City, Okla.), Vol. 92, No. 112, Ed. 2 Wednesday, July 1, 1981

Daily newspaper from Oklahoma City, Oklahoma that includes local, state, and national news along with advertising.
Date: July 1, 1981
Creator: Standard, Jim
Object Type: Newspaper
System: The Gateway to Oklahoma History