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331
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304
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Lee College Courier, Volume 1, Number 6, September 1992
Newsletter of Lee College discussing news, events, and other updates.
Date:
September 21, 1992
Creator:
Lee College (Baytown, Tex.)
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Balanced Dairying: Economics, Volume 21, Number 2, June 2001
Newsletter of the Texas Agricultural Extension Service discussing topics related to economic aspects of raising dairy cows, dairy production, and managing dairy operations.
Date:
June 21, 2001
Creator:
Texas Agricultural Extension Service
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Texas Pecan Pest Management Newsletter, Volume 93, Number 2, April 1993
Newsletter focusing on pecan disease and pest control in Texas, including prevention, identification, treatment, and educational opportunities.
Date:
April 21, 1993
Creator:
Texas Agricultural Extension Service
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Texas Register, Volume 48, Number 29, Pages 3947-4030, July 21, 2023
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 Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents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:
July 21, 2023
Creator:
Texas. Secretary of State.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Research on Krypton 85 : Seventh Monthly Progress Report Covering December 1, 1959 to December 31, 1959
Work during this report period includes a continuation of the study of the effect of krypton 85 on the polymerization of styrene; an attempt at evaluation of the polymers produced; and the effect of krypton radiation on the electrical properties of gases, such as the rare gases, and nitrogen, and oxygen. the results obtained are summarized in the report.
Date:
January 21, 1960
Creator:
Miller, H. S.; Marancik, W. G. & Zufall, J.
Object Type:
Report
System:
The UNT Digital Library
Second Report on Liquid Metal Level Instrument
The liquid metal level instrument will operate at tank temperatures up to 1000 F. Overall system accuracy depends on operating conditions, as described in the report. Test accuracies from 2 to 8% have been obtained from full to empty tank. The primary detector unit successfully passed navy HI shock test.
Date:
December 21, 1954
Creator:
Droma, Clarence R.
Object Type:
Report
System:
The UNT Digital Library
Equipoise-2: A Two-Dimensional, Two-Group, Neutron-Diffusion Code for the IBM-7090 Computer
Equipoise-2, a two-dimensional, two-group neutron-diffusion code in R-Z geometry, has been programmed for the IBM-7090 computer. This code was designed to permit the running of large numbers of cases without requiring excessive machine time. Typical running times are of the order of one to three minutes per case for a 1000-point problems. The maximum number of mesh points that can be used is 1444.
Date:
November 21, 1960
Creator:
Fowler, T. B. & Tobias, Melvin
Object Type:
Report
System:
The UNT Digital Library
Preliminary Analog Computer Study of the Small EGCR In-Pile Loops
The ORNL analog computer was used to simulate four widely different experiment conditions in the small EGCR in-pile loops. Various control and safety systems were evaluated in each case. Curves are included which show the response to postulated accidents and component failures. The results indicate that one standard control and safety system will probably be adequate for a wide variety of test conditions.
Date:
September 21, 1960
Creator:
Ball, S. J. & Beasley, E. G.
Object Type:
Report
System:
The UNT Digital Library
Precipitation of Crystalline Uranium and Thorium Peroxide: Applications to Fuel-Element Oxides and Purifications
Departures from the usual precipitation method produced crystalline uranium peroxide in several forms. Three types of segregated needles were used in the preparation of three pellets for pellet-type elements. Densities of the pellets ranged from 93 to 97% of theoretical, depending on conditions of precipitation.
Date:
September 21, 1960
Creator:
Whetsel, H. B. & Dean, O. C.
Object Type:
Report
System:
The UNT Digital Library
Investigation of Mechanical Methods of Scale Removal from HRT Heat Exchangers
Tests were conducted to determine methods of removing scale deposits from the HRT heat exchangers. A mockup of the heat exchanger header was cleared of a deposit of iron rust by reverse flushing at a flow rate below 75 gpm. A tube bundle consisting of 109 1/4in. O.D. x 0.049 in. wall tubes was plugged with rust. Approximately 80% of these tubes were unplugged by using a 70 psi water pressure differential in combination with vibration from a pneumatic rivet gun. No mechanical method was employed in the tests which could clear the remaining tubes.
Date:
July 21, 1959
Creator:
Gabbard, C. H.; Eissenberg, D. M.; Moyers, J. C. & Namba, I. K.
Object Type:
Report
System:
The UNT Digital Library
Multigroup Diffusion Theory Calculations for Recent Critical Experiments
In connection with the program of the measurement of eta for U233, several critical experiments have been performed by R. Gwin and D. W. Magnuson of ORML with light water solutions of uranyl nitrate (highly enriched in either U233 or U35) in an essentially bare sphere 27 inches in diameter. This report presents the results of two multigroup-diffusion-theory calculations for the above experiments performed by C. B. Mills and associated at Los Alamos. Assumer cross sections, material concentrations detailed neutron balances and a comparison with elementary theory are included. The agreement between the calculated and experimental multiplication constants is excellent for the multigroup calculation but only fair for the elementary calculation. The latter method overestimates the fast leakage so that the computed multiplication constant is less than that found experimentally.
Date:
July 21, 1959
Creator:
Nestor, C. W., Jr
Object Type:
Report
System:
The UNT Digital Library
Anisotropic Elastic Scattering of Neutrons
In an elastic collision the neutron loses part of its kinetic energy to the nucleus with both the kinetic and momentum of the system being conserved. However, for many elements the scattering is not isotropic in the center-of-mass system at the higher neutron energies. Many of the present reactor multigroup codes include anisotropic scattering at the high neutron energies, while many others assume isotropic scattering at all energies. In order to consider some of the effects of including anisotropic scatting, reference is made t the multigroup equation generally assumed for the slowing-down density.
Date:
March 21, 1957
Creator:
Copenhaver, C. M.
Object Type:
Report
System:
The UNT Digital Library
Beryllium
The information concerning beryllium assembled herein has been selected primarily to provide information that might be pertinent to the design of the ART. The creep-rupture data in the literature have been obtained from vacuum cast and extruded beryllium, rather than from the hot-pressed beryllium which will be used in the ART. A research program is being conducted by the Brush Beryllium Company, under contract to the Oak Ridge National Laboratory, which will eventually provide the design engineers with data on the high temperature strength properties of hot-pressed beryllium. In the interim, it will be necessary for the metallurgists and design engineers to make judicious estimates and extrapolations from the data available.
Date:
March 21, 1957
Creator:
Whitman, M. J.
Object Type:
Report
System:
The UNT Digital Library
Instrumentation Flow Plan Symbols and Recommended Drawings : a Standard System for ORNL Instrumentation Applications Work
This report is presented in order to provide a satisfactory system of symbols and identifications for process-instrumentation equipment and to promote a uniformity of practice that will simplify and expedite instrumentation work. It is intended that the systems presented here should be capable of designating and identifying the multitude of instrumentation items which are used for control and operation of conventional processes, as well as for specialized work peculiar to ORNL. Instrument Society of America standards have been adhered to whenever practical.
Date:
February 21, 1958
Creator:
Adams, R. K.; Davis, D. G. & Hyland, R. G.
Object Type:
Report
System:
The UNT Digital Library
Cross Section Program at ORNL
Short reports to the members of the Nuclear Cross Section Advisory Group from three groups: (1) High voltage group; (2) Fast chopper time-of flight spectrometer; and (3) Electronuclear research division.
Date:
January 21, 1957
Creator:
Harvey, J. A. & Fowler, J. L. (Joseph L.)
Object Type:
Report
System:
The UNT Digital Library
Test of Stainless Steel Freeze Jacket to be Used on 1/2-inch High Pressure and High Temperature Process Lines
In order to test the operation of a freeze jacket in air with the process fluid closely following the conditions found in the high pressure circulation loop of a homogeneous reactor, or, 2000 psi and 300C, a test loop was built and used in conjunction with existing refrigeration equipment. The freeze jacket was made of 5/16-in. type 346 stainless steel tubing wrapped around and welded to a 1/2-in. stainless steel process line. It was concluded that for these reactor operating conditions, only a small leak rate, 11 cc/min, could be frozen off. It is recommended that, at the beginning of the the freezing operation, the temperature of the secondary refrigerant entering the freeze jacket be at least -40C and that the freeze jacket be made as long as practical.
Date:
January 21, 1957
Creator:
Draper, B. D.
Object Type:
Report
System:
The UNT Digital Library
Interim Report of APPR Irradiation Test Program at MTR
It is the purpose of this memo to clarify and revise burnup calculations for the APPR irradiation program and to present a proposed irradiation schedule. the report will also be in the nature of a review of the program.
Date:
January 21, 1957
Creator:
Gross, E. E. & Schaffer, L. D.
Object Type:
Report
System:
The UNT Digital Library
Newsletter of Texas State Representative Ernest Bailes: Volume 1, Issue 11, November 2017
Newsletter of Ernest Bailes for his constituents in district 18 discussing news, activities, and various updates related to work in the Texas legislature. It focuses on Bailes expressing the things his thankfulness for the legislative accomplishments in district 18.
Date:
November 21, 2017
Creator:
Bailes, Ernest James, IV
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Texas Register, Volume 48, Number 16, Pages 2017-2160 April 21, 2023
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:
April 21, 2023
Creator:
Texas. Secretary of State.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Development of Habitat Suitability Criteria for Benthic Macroinvertebrates in the Lower Guadalupe River: Final Report
Report that provides information for the development of habitat suitability criteria (HSC) for benthic macroinvertebrates in the Guadalupe River.
Date:
August 21, 2018
Creator:
Mayes, Kevin; Grubh, Archis; Zawalski Rebecca; Nowlin, Weston; Hardy, Thom & Schwalb, Astrid
Object Type:
Report
System:
The Portal to Texas History
[Air Force Jet in Flight]
Photograph of a fighter plane pitched upward in flight against a clear blue sky. There is a star logo on the left wing and "USAF" on the right wing, with red, white, and blue stripes on the edges of the wings and notes. Part of the tail livery is visible, with red scallops along the front edge and the Thunderbird logo surrounded by stars.
Date:
April 21, 1988
Creator:
United States. Air Force.
Object Type:
Photograph
System:
The UNT Digital Library
Credit Union Department Newsletter, Number 07-21, July 16, 2021
Newsletter of the Texas Credit Union Department containing departmental news and announcements, deadlines, and other information of importance to credit unions.
Date:
July 21, 2021
Creator:
Texas. Credit Union Department.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Credit Union Department Newsletter, Number 04-21, April 21, 2021
Newsletter of the Texas Credit Union Department containing departmental news and announcements, deadlines, and other information of importance to credit unions.
Date:
April 21, 2021
Creator:
Texas. Credit Union Department.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History
Texas Register, Volume 47, Number 42, Pages 6913-7142, October 21, 2022
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:
October 21, 2022
Creator:
Texas. Secretary of State.
Object Type:
Journal/Magazine/Newsletter
System:
The Portal to Texas History