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THE FERRITE BIASING SYSTEM FOR THE RADIO FREQUENCY CAVITIES OF THE PRINCETON-PENNSYLVANIA 3 Bev PROTON SYNCHROTRON
A description is given of the ferrite biasing system for the four tuned radio frequency cavities of the synchrotron. Each ferrite loaded double cavity has a single turn bias winding which is driven to a peak current of 13,500 amperes by a push-pull transformer arrangement. There is automatic tap changing of the transformer to accommodate the variable impedance load (for power considerations). The programming and frequency response of the system have to be such that each cavity can operate as the reso nant circuit of a self tracking radio frequency amplifier over the frequency range 6.5 to 30 Mc at the 20 cps repetition rate of the synchrotron. Between acceleration cycles it is necessary to program the ferrite to a given magnetic state, near that of maximum radio frequency permeability. (auth)
Date:
August 29, 1962
Creator:
Rees, G.H.
Object Type:
Report
System:
The UNT Digital Library
The Radiation Leakage Survey of the Shield of the Nuclear Ship Savannah
A detailed 4urvey of the radiation from the N.S. Savannah shield was made. The study was accomplished with the reactor at its full power of 69 Mw during a cruise of 2821 miles. The results of the detailed shield survey show that the design dose rate of 0.5 rem/yr for passenger spaces is not exceeded in any region to which passengers have access. ln the area restricted to crew access the design dose rate of 5.0 rem/yr is nowhere exceeded except in a small region on D'' deck in a room to which entry can readily be controlled. Specifications for cargohold dose rates, 0.5 rem/yr at 1/5 full power, are satisfactorily met. Additional data obtained include measurements of special points for comparison with dose rates predicted in design calculations, and an experiment examining the result of loss of water from the Savannah's subreactor shield tanks. Predicted dose rates were conservatively higher than the dose rates measured, and the result of the water-loss experiment showed that even with a total emptying of the tanks a safe condition exists only a few feet from the shield. (auth)
Date:
August 29, 1962
Creator:
Blizard, E.P.; Blosser, T.V. & Freestone, R.M. Jr.
Object Type:
Report
System:
The UNT Digital Library
Top quark and light Higgs scalar mass bounds in no-scale supergravity
No-scale supergravity theories with the minimal low-energy particle content are shown to become untenable for a top quark mass m/sub T/ much less than 40 GeV. For m/sub T/ < 55 GeV, a stringent upper bound operates on the mass of the lowest-lying Higgs scalar. Further, the Higgs pseudoscalar is constrained to be nearly a quarter as massive as the gluino.
Date:
August 29, 1986
Creator:
Roy, P.
Object Type:
Article
System:
The UNT Digital Library
High-Temperature Reactions of Type 304 Stainless Steel in Low Concentrations of Carbon Dioxide and Carbon Monoxide
Compatibility studies of type 304 stainless steel in helium containing low concentrations of CO and CO/sub 2/ were conducted. The oxidation rates were insensitive to impurity concentrations between 0.0006--0.3 vol% in the temperature range 400--1000 deg C when P/sub co2/P/sub co/ was less than 0.66. Ratios above this value resulted initially in a slow oxidation rate, but was followed by an accelerated attack. The incubation period for the break-away varied with the P/sub co2//P/sub co/ ratio and the pressure of the two gases. The oxidation reactions proceeded through a selective depletion of chromium from the alloy which increased the carbon solubility and depletion of nickel which led to the transformation of austenite to ferrite. Parabolic reaction rates were observed for the formation of the protective oxides. Arrhenius plots of rate constants versus 1/T indicated the presence of several oxides which was confirmed by other methods. Carburization or decarburization reactions occurred coincidentally with oxidation and depended upon temperature and (P/sub CO/)/sup 2/ /P/sub CO2/ and the P/sub co2//P /sub CO/. Neither was detected below 600 deg C. Between 600--900 deg C, only carburization occurred and appeared to be mainly dependent on the temperature. Above 900 deg C, both carburization and decarburization …
Date:
August 29, 1962
Creator:
Inouye, H.
Object Type:
Report
System:
The UNT Digital Library
Pathfinder Atomic Power Plant. Thermal and Hydraulic Design of the Pathfinder Boiling Water Integral Nuclear Superheating Reactor
A thermal and hydraulic design investigation of the Pathfinder Reactor, including analytical and experimental determinations, as well as a complete set of performance calculations, was carried out. A detailed analysis of the reactor energy balance was conducted. Results of the analyses indicated that the reactor will perform within the limits of the material design criteria and operational requirements. Fuel element temperatures are not excessive under the worst combination of circumstances. Thermal stresses in the superheater were minimized by designing the annular element so that temperatures are kept as uniform as possible at every axial location. In all cases, sufficient heat dissipation capacity was found to exist to ensure an ample margin of safety. (M.C.G.)
Date:
August 29, 1962
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
[News Clip: Shooting]
Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date:
August 29, 1994, 10:00 p.m.
Creator:
KXAS-TV (Television station : Fort Worth, Tex.)
Object Type:
Video
System:
The UNT Digital Library
Does the photino decay
The stability of the lightest superpartner is a crucial aspect of many experimental searches for supersymmetry and of supersymmetric dark matter candidates. It is shown that R parity may occur in operators of dimension four or less as an accidental consequence of an exact Z/sub N/ symmetry. In this case the lightest superpartner can decay via higher dimension operators. The lifetime depends on the scale of the new physics responsible for the non-renormalizable operators; it could be anywhere in the region 10/sup -20/ seconds to 10/sup +20/ seconds. Explicit examples are given. 12 refs.
Date:
August 29, 1986
Creator:
Hall, L.J.
Object Type:
Article
System:
The UNT Digital Library
Coil winder for the magnet of the mirror fusion test facility
A coil winder was designed for the purpose of fabricating the superconducting magnets of the Mirror Fusion Test Facility. The superconducting magnets are a displaced ying-yang pair, each having major and minor radii of 2.5 and 0.75 m, respectively, and cross section of 0.42 m by about 1.03 m. The superconductor cross section is a square, 13 mm on a side, and consists of a core of niobium-titanium embedded copper and a solid copper stabilizer. Conceptual studies made at Lawrence Livermore Laboratory of the coil winder resulted in concept drawings and a procurement specification. Final design was made by the contractor, and the coil winder is now in fabrication. This paper describes the performance requirements of the winder, and the evolution of its design from conceptual stage to completion.
Date:
August 29, 1977
Creator:
Ling, R.C.
Object Type:
Article
System:
The UNT Digital Library
Samanid ceramics and neutron activation analysis
Glazed pottery known as ''Afrasiyab'' and ''Nishapur'' wares (early Islamic ceramics) are generally attributed to the Samanid dynasty (819-1005). The clay composition of Samanid wares and discarded kiln items found in situ were analyzed by NAA and the elemental composition compared with that of other sherds. 7 figures, 1 table. (DLC)
Date:
August 29, 1977
Creator:
Azarpay, G.; Frierman, J.D. & Asaro, F.
Object Type:
Article
System:
The UNT Digital Library
Energy use in office buildings. Volume 1. Analysis of 1977 office building energy use as reported in the Building Owners and Managers Association Data Base
This report presents the results of Task IA of the Energy Use in Office Buildings Project: an analysis in tabular form of the 1977 office building energy use data base of the Building Owners and Managers Association (BOMA). BOMA's approximately 4000 members directly manage over 500 million ft/sup 2/ of commercial office space, which is approximately 16% of total commercial office building space. BOMA annually collects data on office building characteristics and operating performance for presentation in its Experience Exchange Report. Data are collected from BOMA member and non-member buildings electing to participate in the reporting process; and, in addition, a number of Federal, state, and local government buildings have been participating since 1977. Summaries of the data are published by BOMA on an aggregate basis; the summaries, which are developed on a city or regional basis, provide a benchmark for use by building managers in comparing the results of specific building operations with the industry's aggregate experience. Access to the 1977 BOMA data base was obtained under a subcontract with BOMA. Data for 1342 buildings - 1059 commercial office buildings and 283 government office buildings in the United States and Canada - were delivered. Of the 1059 commercial office …
Date:
August 29, 1980
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
The Oklahoma Democrat (Altus, Okla.), Vol. 5, No. 25, Ed. 1 Thursday, August 29, 1912
Weekly newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 29, 1912
Creator:
Kirk, Brant
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Mangum Star. (Mangum, Okla. Terr.), Vol. 14, No. 8, Ed. 1 Thursday, August 29, 1901
Weekly newspaper from Mangum, Oklahoma that includes local, territorial, and national news along with advertising.
Date:
August 29, 1901
Creator:
Echols, R. C.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Oklahoma Leader (Guthrie, Okla.), Vol. 28, No. 33, Ed. 1 Thursday, August 29, 1918
Weekly newspaper from Guthrie, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 29, 1918
Creator:
Niblack, Leslie G.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Oklahoma State Register (Guthrie, Okla.), Vol. 28, No. 19, Ed. 1 Thursday, August 29, 1918
Weekly newspaper from Guthrie, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 29, 1918
Creator:
Golobie, John
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Weekly Oklahoma State Capital. (Guthrie, Okla.), Vol. 8, No. 19, Ed. 1 Saturday, August 29, 1896
Weekly newspaper from Guthrie, Oklahoma Territory that includes local, territorial, and national news along with advertising.
Date:
August 29, 1896
Creator:
Greer, Frank H.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Mangum Star And Southwest Eagle (Mangum, Okla.), Vol. 31, No. 11, Ed. 1 Thursday, August 29, 1918
Weekly newspaper from Mangum, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 29, 1918
Creator:
Jessee, Elmer V.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Unfunded Mandates Reform Act: History, Impact, and Issues
This report examines debates regarding what constitutes an "unfunded federal mandate" and the Unfunded Mandates Reform Act of 1995's (UMRA) implementation. It focuses on UMRA's requirement that the Congressional Budget Office (CBO) issue written cost estimate statements for federal mandates in legislation, its procedures for raising points of order in the House and Senate concerning unfunded federal mandates in legislation, and its requirement that federal agencies prepare written cost estimate statements for federal mandates in rules. It also assesses UMRA's impact on federal mandates and arguments concerning UMRA's future, focusing on UMRA's definitions, exclusions, and exceptions which currently exempt many federal actions with potentially significant financial impacts on nonfederal entities.
Date:
August 29, 2013
Creator:
Dilger, Robert Jay & Beth, Richard S.
Object Type:
Report
System:
The UNT Digital Library
The Taloga Times. (Taloga, Okla.), Vol. 16, No. 6, Ed. 1 Thursday, August 29, 1912
Weekly newspaper from Taloga, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 29, 1912
Creator:
Dasher, Arthur J.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Altus Weekly News (Altus, Okla.), Vol. 19, No. 27, Ed. 1 Thursday, August 29, 1918
Weekly newspaper from Altus, Oklahoma that includes local, county, state, and national news along with advertising.
Date:
August 29, 1918
Creator:
Orr, J. P.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Cushing Independent. (Cushing, Okla.), Vol. 6, No. 38, Ed. 1 Thursday, August 29, 1907
Weekly newspaper from Cushing, Oklahoma Territory that includes local, territorial, and national news along with advertising.
Date:
August 29, 1907
Creator:
Holland, Al. H.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Sentinel Leader. (Sentinel, Okla.), Vol. 10, No. 5, Ed. 1 Friday, August 29, 1913
Weekly newspaper from Sentinel, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 29, 1913
Creator:
Forster, Warren D.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Crowder City Guardian (Crowder, Oklahoma), Vol. 8, No. 49, Ed. 1 Friday, August 29, 1913
Weekly newspaper from Crowder, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 29, 1913
Creator:
Barrow, A. E.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Guymon Herald. (Guymon, Okla.), Vol. 28, No. 26, Ed. 1 Thursday, August 29, 1918
Weekly newspaper from Guymon, Oklahoma that includes local, state, and national news along with advertising.
Date:
August 29, 1918
Creator:
Denny, J. Q.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Kiowa Sentinel. (Kiowa, Indian Terr.), Vol. 4, No. 33, Ed. 1 Thursday, August 29, 1907
Weekly newspaper from Kiowa, Indian Territory that includes local, territorial, and national news along with advertising.
Date:
August 29, 1907
Creator:
Vernon, John C.
Object Type:
Newspaper
System:
The Gateway to Oklahoma History