Technical Report Archive & Image Library (TRAIL) - 30 Matching Results

Search Results

Results: 1 - 24 next
open access

The Helium Purification System for the Proposed Pebble Bed Reactor Experiment

Description: A helium coolant side-stream purification system consisting of parallel sections for radioactive and non-radioactive de-contamination was designed for the proposed Pebble Bed Reactor Experiment. Primary equipment components are two gas coolers, gas heater, charcoal delay trap, CuO oxidizer, Molecular Sieve adsorber, and full flow filter. The charcoal delay trap is sized to provide a hold-up of 30 minutes for Kr isotopes, 6hr hold-up for Xe isotopes, and 99.9% retention of iodine isotopes result… more
Date: October 25, 1960
Creator: Scott, C. D.; Finney, B. C. & Suddath, J. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Swaging Over Unground Pellets

Description: This study was designed to determine how swaging stainless steel over unground pellets will affect the integrity of fuel rods, and to find maximum pellet diameter variation that can be tolerated.
Date: January 25, 1961
Creator: Brown, R. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Pb-Sn Alloy Replacements for UO2 Density Standards

Description: A correlation between the optical densities if the Pb-Sn alloy system and UO2 with respect to Co^60 gamma radiation has been determined. This enables one to fabricate density standards of whatever geometry may be desired for one in the gamma absorptiometer by simply casting a Pb-Sn alloy of the proper composition to correspond to the density required.
Date: April 25, 1960
Creator: Christensen, J. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Preliminary Report on pH Control by Ion Exchange in High pH Systems

Description: The primary purpose of a cleanup system in a recirculating water loop is to maintain the best possible water quality conditions. This is normally accomplished by continuously purifying all or a portion of the coolant. A secondary objective of the cleanup system is to help maintain the system pH at a constant value. A system that will satisfactorily accomplish both of these objectives is at times difficult to obtain. Generally the pH control characteristics are sacrificed in favor of the more im… more
Date: April 25, 1960
Creator: Demmitt, Thomas F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Oxygen Removal with Hydrazine- Interim Report

Description: During normal operation the NPR will function as a closed system and the coolant will be maintained at a high degree of purity. Periodically, however, the system will have to be opened for fuel element discharge and/or decontamination. During these periods the reactor will be operated on single pass cooling. The use of deionized and deoxygenated water as the single pass coolant is not economically feasible due to the large quantities of coolant that will be required. At present it appears that… more
Date: January 25, 1960
Creator: Demmitt, Thomas F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Contraction Losses and High Temperature Pressure Drop Determinations for Tube Bundles

Description: In some engineering applications it has become necessary to operate equipment containing small diameter rods or tubes oriented parallel to flow stream. In the case of several nuclear reactors such as the Plutonium Recycle Test Reactor and the S. S. Savannah Maritime Reactor, bundles of small diameter rods are used as the fuel elements. The situation also has application to heat exchangers. A method for accurately predicting the pressure drop characteristics of various bundle configurations woul… more
Date: January 25, 1960
Creator: Gartin, W. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Effects of Low Levels of X-Rays and Irradiation from C14 and H3 on Cell Population Kinetics in the Root Tip of Tradescantia

Description: Reciprocal labelling in double-labelling experiments with H3- and C14- thymidine showed that when H3- thymidine (1μc/ml for 0.5 hr) was given first in the labelling sequence followed by a 4 hr interval before the C14- thymidine treatment, that passage of cells into and out of DNA synthesis was normal. When C14 was first in the sequence, the rate at which cells entered DNA synthesis was decreased. This was attributed to a radiation effect produced by the β-rays from the C14. The rate at which ce… more
Date: March 25, 1963
Creator: Wimber, Donald E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Parameters of the 132 eV Neutron Resonance in Co 59

Description: An accurate determination of the parameters of the resonance excited by the interaction of the 132 eV neutrons with the Co 59 target nucleus has been made, using the fast choppers at Brookhaven National Laboratory in the United States and Chalk River Laboratory in Canada. Neutron transmission through thick and thin samples resulted in the following parameters: [parameters not transcribed]. In addition, measurements of the resonance capture γ-ray intensity gave the value for the radiation width … more
Date: March 25, 1963
Creator: Jain, A. P.; Chrien, R. E.; Moore, J. A. & Palevsky, H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The History of the Brookhaven Biology Department Mouse Colony No. 1 (Swiss-Bridge-Bagg-O'Grady-Walter Reed Strain) With Endemic Occult Cerebral Encephalitozoönosis and Colony No. 2

Description: Innes, Zemen, Frenkel, Borner and Wright (1962) described an outbreak of encephalitozoönosis of the central nervous system in mice, a summary of which is given below for an understanding of why this appendix may be of interest. When the paper was presented for publication, the editors of the journal decided to omit the history of our mouse colony. In our opinion, to understand (a) how this infection may have arisen and (b) may have spread, and still exist in some colonies, it is of prime import… more
Date: February 25, 1963
Creator: Innes, J. R. M. & Borner, G
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Wave Functions for Quadrupole Antishielding Factors

Description: The purpose of this paper is to present tables of the perturbed wave functions which have been recently obtained in a calculation of the quadruple antishielding factors γ∞ for the Mn+2, Fe+3, Ga+3, and Ag+ ions. The wave functions v'1(nℓ-ℓ) which are tabulated represent the effect of the perturbation due to a nuclear quadruple moment Q on the wave functions of the outermost electrons of the ion core.
Date: February 25, 1963
Creator: Sternheimer, R. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Fluorimetric Assay of α-Chymotrypsin

Description: The enzymolysis by α-chymotrypsin of the substrates, N-acetyl-L-tryptophane ethyl ester and N-acetyl-L-tyrosine ethyl ester, was followed by means of fluorescence whose intensity increased fourfold and threefold per mole respectively as substrate was transformed into amino acid. The assay by fluorescence was several orders of magnitude more sensitive than the assay by differential absorption spectra of these substances and was in agreement with it in those concentration regions where both metho… more
Date: February 25, 1963
Creator: Bielski, Benon H. J. & Freed, Simon
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

An Isochronal Differential Microcalorimeter

Description: An isochronal differential-type microcalorimeter has been designed and constructed. As a result of its simple design it is very easy to handle the samples and assemble the calorimeter. Important to the operation of the calorimeter is a program, also working on the differential principle, that provides linear temperature rise of the samples. This calorimeter is used to measure very small energy releases such as those found in precipitation, stored energy, etc. It is demonstrated that the calorim… more
Date: February 25, 1963
Creator: Arndt, R. A. & Fujita, F. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

A Re-Analysis of Short-Range Order in Cu3Au

Description: Cowley's measurements of the short-range order parameters, αi, in Cu3Au at T=405°C have been re-evaluated taking into account the effects of thermal vibrations and static displacements due to differing atomic sizes. The separate corrections for the thermal vibrations and the first-neighbor atomic size factor are found to be quite large, demonstrating their importance in the usual experiments. When combined, the corrections in this case largely cancel, and only the values of α1 and α3 are apprec… more
Date: February 25, 1963
Creator: Walker, C. B. & Keating, D. T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Deflecting Mode in the Circular Iris-Loaded Waveguide of a RF Particle Separator

Description: The rf particle separator, proposed in 1959 by W.K.H. Panofsky and now in preparation for the Brookhaven Alternating Gradient Synchrotron, required a rf structure which gives a transverse impulse to a passing relativistic particle. In order to produce an accumulative transverse deflection of a traveling charged particle with an electromagnetic field, it is necessary that the field contains a synchronous component and in principle, waveguides and cavities are equivalent with respect to the parti… more
Date: October 25, 1962
Creator: Hahn, H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Antibody Formation by Transplanted Bone Marrow, Spleen, Lymph Node and Thymus Cells in Irradiated Recipients

Description: The role of the marrow as a site for antibody formation has been considered for many years. In 1912 Ludke reported the appearance of antibody in cultures of marrow cells obtained from previously immunized rabbits. Specific agglutinins for killed typhoid bacilli and lysins for ox red cells and sheep red cells were detected in the culture media 2 to 5 days later. However, the cultured cells failed to produce antibody when these antigens were added to the media. Similar findings by Reiter, Przygod… more
Date: February 25, 1963
Creator: Stoner, Richard D. & Bond, Victor P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Color Production From Energetic Ions Impinging On Metals

Description: It has been observed that energetic gaseous ions mark their region of impingement on certain metals in color. Under identical conditions of bombardment, multicharged ions of the same gas mark their impact areas with different colors. The colors are sensitive to the type and energy of the ion as well as to the metal bombarded. These colors may result from reflections from thin films formed by reactions at the target. Because the colors indicate that thicker films are produced with increased ion … more
Date: June 25, 1962
Creator: Ehlers, Kenneth W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The [Sigma/Alpha] Branching Ratio Of [Y*1]

Description: Recently a T=1 resonance in the [Alpha w] system called [Y*1] has been observed with a mass of 1385 Mev. Two types of resonances have been predicted that might relate this observation to other elementary-particle interactions: (1) P 3/2 resonances in the Alpha w and Sigma w systems predicted by global symmetry corresponding to the (3/2, 3/2) resonance of the wN system, (2) a spin-1/2 Y-w resonance resulting from a bound state in the KN system. The position and width of the observed [Y*1] resona… more
Date: April 25, 1961
Creator: Alston, Margaret H.; Alvarez, Luis W., 1911-1988; Eberhard, Phillippe; Good, Myron L.; Graziano, William; Ticho, Harold K., 1921-2020 et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The RCA 6949 As A Self-Excited Cyclotron Oscillator

Description: The oscillator of the 88-in. cyclotron which is being built in Berkeley is tunable from 5.3 to 16.5 Mc. It delivers a maximum c-w power of 300 kw. At the rated doc voltage of 75 kv the resonator stores 4.5 joules of electrical energy. The transients produced by this amount of energy, during sparking, place unusual requirements upon the design of the oscillator tube. The features of the RCA 6949 which make it particularly well-suited to this type of application are discussed in this paper. Other… more
Date: October 25, 1960
Creator: Smith, Bob H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Bromine Exchange in Graphite-Bromine Lamellar Compounds

Description: A kinetic study of the exchange of normal and radioactive bromine in graphite-bromine lamellar compounds has been made at temperatures of 30° to 50°C. Natural and synthetic graphite powders were investigated. Two alternative mechanisms for the exchange, volume diffusion and surface exchange, were considered. The data were in better agreement with the diffusion mechanism. Diffusion coefficients of 10 -9 to 10 -8 cm2/sec and an activation energy of 11 to 14 kcal/mole were calculated for the natur… more
Date: February 25, 1963
Creator: Aronson, Seymour
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Crystal Structure of a Sodium Cobalt Molybdate

Description: The cobalt and molybdenum positions had been derived from a three-dimensional Patterson function based on complete data out to λ-1 sin θMo≈ 1. From the separation of the separation of the Mo atoms it was thought that the structure contained free, unlinked MoO4 -2 ions, and this, together with the observed density and analyses for Co and Mo, suggested that the composition was probably Co2(MoO4)3. The paucity of structural information on complex oxide systems and the interesting properties, both … more
Date: February 25, 1963
Creator: Ibers, James A. & Smith, G. W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Electric Currents, Membranes, and Biological Sources of Electromotive Force

Description: The analysis of closed circuit systems in which spontaneous steady-state electric currents appear can be carried out with the use of the function [function not transcribed]. The analysis indicates that any open circuit system of the form. Phase 1, barrier 1, phase 2, ......, phase b, barrier b, phase 1' is a chemical source of electromotive force when the phase 1 and 1' are identical, when the system contains two or more barriers whose sets of ionic transport members are different, and when the… more
Date: February 25, 1963
Creator: Nims, Leslie F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Foam Suppression of Radioactive Iodine and Particulates

Description: " A reliable, efficient and economical method is needed to remove radioactive halogens such as iodine and bromine and particulates from air in many atomic energy installations. One method we have developed which is particularly suited to reactor containment vessels or other large confined areas is foam containment. In this method an ether lauryl sulfate foam containing an iodine reactant is generated, rapidly filling the entire containment volume. This provides a tremendous surface area to w… more
Date: February 25, 1964
Creator: Yoder, Robert E.; Fontana, Mario H. & Silverman, Leslie
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
Back to Top of Screen