Serial/Series Title
Atomic Energy Commission Reports
1,426
AEC research and development report
571
TID
415
Brookhaven National Laboratory Reports
372
BNL (Series)
369
Report (U.S. Atomic Energy Commission)
251
Oak Ridge National Laboratory Reports
217
United States Geological Survey Reports
216
University of California Radiation Laboratory Reports
215
UC (Series)
211
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Further Experimental Results on Natural Circulation Loop Performance at 1000 psia Under Periodic Accelerations
Experimental results on the effect of periodic acceleration on a natural circulation, 1000 psia, two-phase flow loop are presented, and related to the topic of marine reactor design. The initial results of this work were given previously in GEAP 3397.
Date:
October 24, 1960
Creator:
Quinn, E. P.
Object Type:
Report
System:
The UNT Digital Library
Zirconium Alloys for Steam Service: a Preliminary Study
The fabricability, elevated temperature strength, steam corrosion resistance, and hydrogen pickup of various binary, ternary, and quaternary alloys were studied experimentally.
Date:
June 24, 1960
Creator:
Klepfer, H. H.
Object Type:
Report
System:
The UNT Digital Library
Final Report Chicago Operations Office Steam Separation Program, February-March, 1960
A program of free-surface steam-water separation at 600 psig was carried out in support of the design for operation of the Experimental Boiling Water Reactor at 100 MW thermal. Reduced test data are presented without evaluation since the ANL technical representative received an original copy of the data for evaluation with respect to the EBWR design.
Date:
1960
Creator:
General Electric Company
Object Type:
Report
System:
The UNT Digital Library
VARI Solution of Simultaneous, First-Order, Ordinary, Differential Equations
VARI solves on the IBM-650 a system of simultaneous, first-order, ordinary, differential equations. The program was written so that a large number of calculations could be done in a reasonable length of time. The program permits the consideration of the production of the isotope by absorption and/or decay of one or more of any of the other isotopes in the chain.
Date:
March 15, 1960
Creator:
Kerr, B. A.
Object Type:
Report
System:
The UNT Digital Library
Experimental Investigations of the Removal of Sodium Oxide From Liquid Sodium
Experimental investigations were conducted to obtain additional information on the growth and characteristics of sodium oxide deposits in liquid sodium which could lead to system plugging. These investigations included the removal of sodium oxide from molten sodium by the cold trap method.
Date:
January 18, 1960
Creator:
Billuris, G.
Object Type:
Report
System:
The UNT Digital Library
The Effect of Gallium on Plutonium Assay
Several of the plutonium assay methods were reexamined as part of a continuing effort to make improvements in these frequently used analyses. This investigation included a study of the controlled-potential coulometric, amperometric, potentiometric, and photometric titration methods and their applications to assays of delta-stabilized and alpha plutonium metal.
Date:
November 1962
Creator:
Bergstresser, K. S. (Karl Samuel), 1909-2004 & Waterbury, Glenn R.
Object Type:
Report
System:
The UNT Digital Library
Mass Yields From Fission by Neutrons Between Thermal and 14.7 Mev
Radiochemically determined mass-yield curves are given for the fission of U235 and U236 by 14.7-Mev neutrons.
Date:
February 1965
Creator:
Ford, George P. & Gilmore, James S.
Object Type:
Report
System:
The UNT Digital Library
Solid State Division Semiannual Progress Report For Period Ending February 28, 1955
This semiannual progress report and future reports will be published as two documents to permit a wider distribution of the unclassified material. The report numbers are assigned in sequence so that the two reports will fall together when filed by report number.
Date:
July 12, 1960
Creator:
Billington, D. S. & Crawford, J. H., Jr.
Object Type:
Report
System:
The UNT Digital Library
Properties of the Active Site of Enzymes
In this paper some studies on enzyme properties which are believed to be pertinent to antibodies will be discussed. The particular studies chosen are; (a) the evidence that residues far removed from each other in the sequence play vital roles at the active site; (b) indications on the size of the active site; and (c) evidence for flexibility at the active site. Since the relation between enzyme and antibody is of primary interest an attempt will be made to emphasize the fundamental conclusions derived from the observations and to evaluate critically the deductions on structure and function which derive from these conclusions.
Date:
1962
Creator:
Koshland, Jr., Daniel E.
Object Type:
Report
System:
The UNT Digital Library
Cumulative Radiation Effects of Sexual Reproduction in Pine and Oak
The sexual reproductive ability of a forest exposed to low level ionizing radiation is dependent on the sensitivity of primordial differentiation, meiotic processes leading to the formation of gametes, fusion of the gametes, and subsequent growth of the sporophytic generations. In this report it was shown that the initiation of reproductive primordia in Pinus rigida, Quercus ilicifolia, Quercus alba and Quercus coccinea is not unusually sensitive to irradiation. Trees which had been severely damaged by chronic low level ionizing radiation (4 to 12 r/20 hr day) were able to differentiate floral structures and produce viable seed. However, flower phenology was retarded, and pronounced morphological aberrations were present. It is suggested that this delay may be the result of a reduction of endogenous growth substances.
Date:
1962
Creator:
Mergen, Francois & Stairs, G. R.
Object Type:
Report
System:
The UNT Digital Library
Progeny Test from a Pitch Pine-Oak Forest, Damaged by Low Level Chronic Gamma Radiation
Ionizing radiation is useful to plant breeders in obtaining mutations beneficial from an economic point of view. This report, however, concerns our basic knowledge of radiation: attention is here directed to some effects of low level radiation on the R₁ progeny. Approximately one third of the land area of the United States is covered by forest; thus, forest trees form an important component of our natural wealth. It is therefore our obligation to know how these forests will react to low level ionizing radiation. Although this type of radiation might accompany atomic explosions, its effects may not be evident for a number of years.
Date:
1962
Creator:
Mergen, Francois & Stairs, G. R.
Object Type:
Report
System:
The UNT Digital Library
Clonal Multiplication of Cymbidiums Through Tissue Culture of the Root Meristem
The propagation of clonal varieties of some orchids is at times exasperatingly slow and occasionally an almost futile effort. Clonal multiplication is generally confined to dividing mature plants and to starting plants from pseudobulbs. There is, of course, the specialized technique for obtaining Phalaenopsis plantlets from the aseptic culture of inflorescence nodes, but this is basically the same thing as propagating plants from pseudobulbs. In certain cases it is highly desirable to rapidly multiply certain clones of orchids. Awarded varieties could thereby be dispersed with great rapidity where now it may take decades for some clones to became fairly common. Commercial flower production would be very much enhanced if certain desirable clones could be multiplied ad infinitum within a short time. Orchid flower production could then be placed more on a par with many of the other cut flowers and the clonal peculiarities of some of the current hybrids could be pampered instead of ignored. This paper describes a tissue culture method for the rapid propagation of Cymbidium clones
Date:
1962
Creator:
Wimber, Donald E.
Object Type:
Report
System:
The UNT Digital Library
"Ages" of the Sikhote Alin Meteorite
The potassium-argon age of the Sikhote Alin iron meteorite has been determined. The value is 1.7 + 0.2 x 10⁹ years. Previous lead data suggest an age of 4.6 x 10⁹ years . The date of solidification may be the sum of these two ages.
Date:
1962
Creator:
Fisher, David E.
Object Type:
Report
System:
The UNT Digital Library
0-2 kv Flash Tube Supplies
In order to perform the various experiments with a bubble chamber, a high intensity flash tube is used. This report briefly describes the power supplies designed and constructed to power these lamps.
Date:
March 15, 1962
Creator:
Miller, D. M.
Object Type:
Report
System:
The UNT Digital Library
6 kv Capacitor Charging Supply
The power supplies designed and constructed to power high intensity flash tubes used in bubble chamber experiments are briefly described and are accompanied by a schematic diagram of the layout. (D.C.W.)
Date:
March 15, 1962
Creator:
Miller, D. M.
Object Type:
Report
System:
The UNT Digital Library
Low Frequency Amplifier IH-130-1
A tranistorized d.c. coupled amplifier having very good gain stability, as well as very low drift of the output d.c. level, has been designed. Low frequency input signals with an amplitude of .04 to 2 volts peak-to-peak, approximately, coming from a low impedance source (voice soil of a speaker system) are amplified to an approximate peak-to-peak amplitude of 4 volts. The output is intended to drive a load of the order of 100 kohm.
Date:
October 23, 1961
Creator:
Llacer, Jorge
Object Type:
Report
System:
The UNT Digital Library
Servo Stabilized RF Vernier Time-of-Flight Analyzer
The analyzer can be operated either internally or externally. The 10 ma germanium discriminator is quiescently biased to 8.5 ma in its low-voltage state. An input signal current of 3.5 ma or more triggers it to its high voltage state. This triggers the oscillator. The oscillator signal is buffered and mixed in the bridge modulator with the reference radiofrequency signal from the cyclotron. The low-frequency beat note from the bridge modulator is squared up and passed to the beat zero univibrator which generates 0.7 mu sec signals each time the beat note passes through zero from positive to negative. The trailing edge of the beat zero univibrator is employed to terminate the time-of-flight measurement and to control the servo measurement. Drawings are included. (M.C.G.)
Date:
January 15, 1962
Creator:
Chase, Robert L.
Object Type:
Report
System:
The UNT Digital Library
Beam Current Integrator
The object of this report is to acquaint the operator with the operational and technical aspects of the beam current integrator as well as the theory of the system operation. The design and operation of a beam current integrator are described, and the theory of operation is discussed. The instrument has two channels. The console channel is designed to measure the accumulation of charge received by a target during a period of a day no matter what the range used in the experimenter's channel. An analysis indicated that this unit will measure the accumulation of charge by a target to an accuracy of 0.1215% assuming that the constant error due to shorting the integrating capacitor is accounted for. The instrument is ranged to handle from 0.5 to 500 mu a of beam current. (M.C.G.)
Date:
January 5, 1962
Creator:
Jacobs, J.
Object Type:
Report
System:
The UNT Digital Library
Digital-to-Analogue Converter (Punched Tape to X-Y Plotter)
A digital-to-analog converter is described which is a part of a system that converts punched-tape digital data to analog data in a series of points drawn by an x-y plotter. The converter is designed to plot accurately tapes that contain information other than coded numerical coordinates. Operation of the converter is also described along with format requirements and power supplies. (J.R.D.)
Date:
January 17, 1962
Creator:
Wall, G. N.
Object Type:
Report
System:
The UNT Digital Library
Possible Use of a Betatron Core on the Cosmotron
Most existing electron synchrotrons use betatron start for initial acceleration of the particles. The subsequent synchrotron acceleration is then performed with a nearly constant radio-frequency. Investigation of the effect of turn-on rate and initial energy spread is made mathematically. Several advantages are seen for such a technique. (D.C.W.)
Date:
January 18, 1962
Creator:
Smith, L. W.
Object Type:
Report
System:
The UNT Digital Library
Magnetic Measurement of AGS Experimental Magnets
This is a preliminary report on the magnetic measurements taken to date on the AGS experimental magnets. It mainly summarizes the results which were necessary for the setting up of the proton separated beam in August 1961. A few curves on information obtained since then are included. When the study is finished, a complete report on all phases of the work, including the methods used, will be forthcoming.
Date:
December 26, 1961
Creator:
Danby, Gordon T.
Object Type:
Report
System:
The UNT Digital Library
Efficiency pf Multiple Traversal Targets
The efficiency of multiple traversal targets is defined as the probability that a proton dies by making a nuclear collision in the target rather than by hitting the limit of the synchrotron aperture. The efficiencies of Be, Al, Cu, and Pb targets are shown for 15 and 30-Bev protons in the Brooknaven AGS. Beryllium was found to be the most efficient. (M.C.G.)
Date:
February 5, 1962
Creator:
Courant, E.D.
Object Type:
Report
System:
The UNT Digital Library
Internal Bunching in the Alternating Gradient Synchrotron (AGS)
Four methods of rebunching protons within Brookhaven's AGS are discussed. The first method involving switching off the old r-f and switching on the new r-f simultaneously with the new r-f increasing adiabatically seems impractical. Two other methods utilize gradual removal of the old r-f voltage and introduction of the new r-f voltage, or the reverse. Removal of the old r-f voltage followed by introduction of the new seems to give the best results. Several phase diagrams are included. (D.C.W.)
Date:
January 16, 1961
Creator:
Robertson, D. S.
Object Type:
Report
System:
The UNT Digital Library
Acceleration of Polarized Protons to Relativistic Energies
Maintenance of polarization of polarized protons in a linear accelerator is known to be feasible. Circular accelerators present a different problem, and the investigation of the interaction of orbit dynamics and particle polarization in general is undertaken. The equation of motion of the spin vector of a charged particle in a magnetic field as formulated by Bargmann, Michel, and Telegdi is utilized in the study of depolarization for several accelerators. High values of depolarization are obtained, and means for avoiding such depolarization are suggested. (D.C.W.)
Date:
January 22, 1962
Creator:
Courant, E.D.
Object Type:
Report
System:
The UNT Digital Library