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582 Matching Results

Start Over Partner UNT Libraries Government Documents Department Month August Day 28th

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(open access)

A PROGRAM OF RESEARCH AND CALCULATIONS OF RESONANCE ABSORPTION. Final Report

A direct numerical integration of the integral equation for the average collision density in the absorber was previously suggested in a discussion of resonance absorption. The implementation of this program is considered. The method of calculation, comparison with experimental data, and the computer code developed are described. The method of integration, computation of cross sections, selection of mesh size, integration interval, outside correction, the Dancoff correction, and unresolved resonances are discussed. Resonance integrals for U/sup 235/ and Th2/sup >/s3>s/sup 2/ were calculated and compared with experiment. (M.C.G.)

Date: August 28, 1961

Creator: Nordheim, L.W.

Object Type: Report

System: The UNT Digital Library

(open access)

GAS-COOLED REACTOR PROGRAM. QUARTERLY PROGRESS REPORT FOR PERIOD ENDING JUNE 30, 1961

Activities are discussed for research in design investigations, and materials development and testing conducted in connection with the development of the EGCR. The discussions are given in terms of: reactor physics; reactor design studies; heat transfer and fluid now investigations; materials development; in- pile and out-of-pile testing of components and materials; and development of test loops and components. (B.O.G.)

Date: August 28, 1961

Creator: unknown

Object Type: Report

System: The UNT Digital Library

(open access)

Enhanced durability and reactivity for zinc ferrite desulfurization sorbent

AMAX Research Development Center (AMAX R D) has been investigating methods for enhancing the reactivity and durability of the zinc ferrite desulfurization sorbent. Zinc ferrite sorbents are intended for use in desulfurization of hot coal gas in integrated gasification combined cycle (IGCC) or molten carbonate fuel cell (MCFC) applications. For the present program, the reactivity of the sorbent may be defined as its sulfur sorption capacity at the breakthrough point and at saturation in a bench-scale, fixed-bed reactor. Durability may be defined as the ability of the sorbent to maintain important physical characteristics such As size, strength, and specific surface area during 10 cycles of sulfidation and oxidation.

Date: August 28, 1987

Creator: Jha, Mahesh C.; Baltich, Linda K. & Berggren, Mark H.

Object Type: Report

System: The UNT Digital Library

(open access)

Reactor Controls Reliability and Maintenance at the ORR

Early evaluation and study of the various criteria for the ORR clearly established the requirements for the fundarnental safety and control instrumentation, and the instrumentation was well integrated into the design and construction of the plant. However, it was not designed for the optimum of maintenance convenience and minimum reactor down time in the event of instrument failure. The revisions and additions that have been made in the physical plant and maintenance which have resulted in a definite reduction of reactor down time resulting from instrument failure in the reactor and in the experiments are described. (auth)

Date: August 28, 1962

Creator: West, K.W.

Object Type: Report

System: The UNT Digital Library

(open access)

THE OAK RIDGE RESEARCH REACTOR (ORR), THE LOW-INTENSITY TESTING REACTOR (LITR), AND THE OAK RIDGE GRAPHITE REACTOR (OGR) AS EXPERIMENT FACILITIES

>Characteristics of the ORR, LITR, and OGR that experimenters have found to be important are listed. The results of a survey conducted among experimenters on the utility of the reactors for various types of experiments are discussed, and some changes which might be made to improve the utilization are listed. A brief outline, with references, of most of the experiments currently being performed is included. (auth)

Date: August 28, 1962

Creator: George, K.D.

Object Type: Report

System: The UNT Digital Library

(open access)

Method of boronizing transition-metal surfaces

A method is presented for preparing a boride layer on a transition metal substrate for use in corrosive environments or as a harden surface in machine applications. This method is particularly useful in treating current collectors for use within a high temperature and corrosive electrochemical cell environment. A melt of a alkali metal boride tetrafluoride salt including such as KF to lower its melting point is prepared including a dissolved boron containing material, for instance NiB, MnB/sub 2/, or CrB/sub 2/. A transition metal to be coated is immersed in the melt at a temperature of no more than 700/sup 0/C and a surface boride layer of that transition metal is formed within a period of about 24 hours on the substrate surface.

Date: August 28, 1981

Creator: Koyama, K. & Shimotake, H.

Object Type: Patent

System: The UNT Digital Library

(open access)

Relationship of field components and the matched dispersion function in Arc achromats

The general integral condition connecting the field, its derivative and the resulting eta function derived for any lattice is applied to the achromats of the SLC Arcs. This condition can be combined with the non-dispersive condition to give a simple parameterization of second-order achromats constructed of combined function magnets.

Date: August 28, 1986

Creator: Fieguth, T.; Kheifets, S. & Murray, J. J.

Object Type: Report

System: The UNT Digital Library

(open access)

Oil-shale-retorting and combustion system. [DOE patent application]

The present invention is directed to the extraction of energy values from oil shale containing considerable concentrations of calcium carbonate in an efficient manner. The volatiles are separated from the oil shale in a retorting zone of a fluidized bed where the temperature and the concentration of oxygen are maintained at sufficiently low levels so that the volatiles are extracted from the oil shale with minimal combustion of the volatiles and with minimal calcination of the calcium carbonate. These gaseous volatiles and the calcium carbonate flow from the retorting zone into a freeboard combustion zone where the volatiles are burned in the presence of excess air. In this zone the calcination of the calcium carbonate occurs but at the expense of less Btu's than would be required by the calcination reaction in the event both the retorting and combustion steps took place simultaneously. The heat values in the products of combustion are satisfactorily recovered in a suitable heat exchange system.

Date: August 28, 1981

Creator: Pitrolo, Augustine A.; Mei, Joseph S. & Shang, Jerry Y.

Object Type: Patent

System: The UNT Digital Library

(open access)

Nuclear reactor control apparatus

Nuclear reactor core safety rod release apparatus comprises a control rod having a detent notch in the form of an annular peripheral recess at its upper end, a control rod support tube for raising and lowering the control rod under normal conditions, latches pivotally mounted on the control support tube with free ends thereof normally disposed in the recess in the control rod, and cam means for pivoting the latches out of the recess in the control rod when a scram condition occurs. One embodiment of the invention comprises an additonal magnetically-operated latch for releasing the control rod under two different conditions, one involving seismic shock.

Date: August 28, 1981

Creator: Sridhar, B.N.

Object Type: Patent

System: The UNT Digital Library

(open access)

Congressional Member Organizations: Their Purpose and Activities, History, and Formation

This report examines the purpose and activities of Committee on House Administration as congressional Member organizations (CMO) and the reasons Members form them. It also identifies and describes seven CMO types, and it provides an overview of the historical development of informal Member organizations since the first Congress, focusing on their regulation in the House by the Committee on House Oversight/Committee on House Administration, the rise and fall of legislative service organizations (LSOs), and the House's decision in 1995 to issue regulations for establishing CMOs and governing their behavior. It concludes with a step-by-step guide for House Members and staff who might be interested in forming a CMO.

Date: August 28, 2013

Creator: Dilger, Robert Jay & Gerrity, Jessica C.

Object Type: Report

System: The UNT Digital Library

(open access)

The Obama Administration's Proposal to Establish a National Network for Manufacturing Innovation

Report that discusses the proposed creation of the National Network for Manufacturing Innovation (NNMI), which would help accelerate innovation and support manufacturing technology commercialization. It includes an overview of the topic as well as discussion on the Administration's proposal, preliminary activities, legislative status, and issues for consideration.

Date: August 28, 2012

Creator: Sargent, John F., Jr.

Object Type: Report

System: The UNT Digital Library

(open access)

Stealing Trade Secrets and Economic Espionage: An Overview of 18 U.S.C. 1831 and 1832

Report that gives an overview of 18 U.S.C. 1832 (theft of trade secrets) and 18 U.S.C. 1831 (economic espionage). It also describes what constitutes as a stolen trade secret, and how such crimes are prosecuted.

Date: August 28, 2012

Creator: Doyle, Charles

Object Type: Report

System: The UNT Digital Library

(open access)

Social Services Block Grant: Background and Funding

This report discusses the background and funding information of the Social Services Block Grant (SSBG). Topics include the use of the funds provided by the grant, its funding history, and its proposed repeal.

Date: August 28, 2012

Creator: Lynch, Karen E.

Object Type: Report

System: The UNT Digital Library