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827 Matching Results
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Identification of Matrix Conditions that Give Rise to the Linear Coupling Resonances
N/A
Date:
March 1, 2009
Creator:
Gardner, C. J.
Object Type:
Report
System:
The UNT Digital Library
Identification of matrix conditions that give rise to the linear coupling resonances
General definitions of horizontal and vertical amplitudes for linear coupled motion are developed from the normal form of the one-turn matrix. This leads to the identification of conditions on the matrix that give rise to the linear coupling sum and difference resonances. The correspondence with the standard hamiltonian treatment of the resonances is discussed.
Date:
March 1, 2009
Creator:
Gardner,C.J.
Object Type:
Report
System:
The UNT Digital Library
The New Booster Dump and Dump Bumps
N/A
Date:
March 1, 2001
Creator:
Gardner, C. J.
Object Type:
Report
System:
The UNT Digital Library
KINETIC EXPERIMENTS ON WATER BOILERS, "A" CORE REPORT. PART I. PROGRAM HISTORY, FACILITY DESCRIPTION, AND EXPERIMENTAL RESULTS
None
Date:
March 30, 1962
Creator:
Flora, J.W.; Gardner, E.L.; Greenfield, M.A.; Roecker, J.H. & Stitt, R.K.
Object Type:
Report
System:
The UNT Digital Library
Eddy Current Effect of the Bnl-Ags Vacuum Chamber on the Optics of the Bnl-Ags Synchrotron.
During the acceleration cycle of the AGS synchrotron, eddy currents are generated within the walls of the vacuum chambers of the AGS main magnets. The vacuum chambers have elliptical cross section, are made of inconel material with a wall thickness of 2 mm and are placed within the gap of the combined-function main magnets of the AGS synchrotron. The generation of the eddy currents in the walls of the vacuum chambers, creates various magnetic multipoles, which affect the optics of the AGS machine. In this report these magnetic multipoles are calculated for various time interval starting at the acceleration cycle, where the magnetic field of the main magnet is {approx}0.1 T, and ending before the beam extraction process, where the magnetic field of the main magnet is almost constant at {approx}1.1 T. The calculations show that the magnetic multipoles generated by the eddy-currents affect the optics of the AGS synchrotron during the acceleration cycle and in particular at low magnetic fields of the main magnet. Their effect is too weak to affect the optics of the AGS machine during beam extraction at the nominal energies.
Date:
March 29, 1999
Creator:
Tsoupas, N.; Ahrens, L.; Brown, K. A.; Glenn, J. W. & Gardner, K.
Object Type:
Article
System:
The UNT Digital Library
Engineering Research Division report on reports: calendar year 1979. [LLL]
A bibliography of publications of members of the Engineering Research Division of the Electronics Engineering Department is presented for 1979. Abstracts for 148 publications are included, along with author and keywork indexes. (RWR)
Date:
March 1, 1980
Creator:
Gardner, C.L. & Johnston, S.J. (eds.)
Object Type:
Report
System:
The UNT Digital Library
Preliminary report on the tensile properties of plutonium
Preliminary data have been obtained on the effect of temperature on the tensile properties of a Pu-0.9 w/o Ga delta stabilized alloy. Contoured castings for tensile specimen fabrication were obtained by pouring in vacuo from 900 {degrees}C into a MgO coated graphite mold heated to 475-500 {degrees}C.
Date:
March 8, 1962
Creator:
Gardner, H. R.
Object Type:
Report
System:
The UNT Digital Library
An Alternative Lattice for the Spallation Neutron Source Accumulator Ring.
As a key component of the Spallation Neutron Source (SNS) Project, the Accumulator Ring will collect the proton beam from the SNS LINAC at an intensity of 2 x 10{sup 14} per pulse at 60 Hz for a total power of 2 MW, exceeding present performance value of existing facilities. Requirements of minimum beam loss for hands-on maintenance and flexibility for future upgrade are essential for the lattice design. In this paper, we study an alternative lattice emphasizing various injection schemes and flexibility for future upgrade. Working points, sextupole families for chromaticity control, and alternate extraction schemes are also considered.
Date:
March 29, 1999
Creator:
Gardner, C. J.; Lee, Y. Y.; Tsoupas, N. & Wei, J.
Object Type:
Article
System:
The UNT Digital Library
Interim Report on Multiple Sequence Alignments and TaqMan Signature Mapping to Phylogenetic Trees
The goal of this project is to develop forensic genotyping assays for select agent viruses, addressing a significant capability gap for the viral bioforensics and law enforcement community. We used a multipronged approach combining bioinformatics analysis, PCR-enriched samples, microarrays and TaqMan assays to develop high resolution and cost effective genotyping methods for strain level forensic discrimination of viruses. We have leveraged substantial experience and efficiency gained through year 1 on software development, SNP discovery, TaqMan signature design and phylogenetic signature mapping to scale up the development of forensics signatures in year 2. In this report, we have summarized the Taqman signature development for South American hemorrhagic fever viruses, tick-borne encephalitis viruses and henipaviruses, Old World Arenaviruses, filoviruses, Crimean-Congo hemorrhagic fever virus, Rift Valley fever virus and Japanese encephalitis virus.
Date:
March 27, 2012
Creator:
Gardner, S & Jaing, C
Object Type:
Report
System:
The UNT Digital Library
Interim report on updated microarray probes for the LLNL Burkholderia pseudomallei SNP array
The overall goal of this project is to forensically characterize 100 unknown Burkholderia isolates in the US-Australia collaboration. We will identify genome-wide single nucleotide polymorphisms (SNPs) from B. pseudomallei and near neighbor species including B. mallei, B. thailandensis and B. oklahomensis. We will design microarray probes to detect these SNP markers and analyze 100 Burkholderia genomic DNAs extracted from environmental, clinical and near neighbor isolates from Australian collaborators on the Burkholderia SNP microarray. We will analyze the microarray genotyping results to characterize the genetic diversity of these new isolates and triage the samples for whole genome sequencing. In this interim report, we described the SNP analysis and the microarray probe design for the Burkholderia SNP microarray.
Date:
March 27, 2012
Creator:
Gardner, S & Jaing, C
Object Type:
Report
System:
The UNT Digital Library
Predicting cancer outcome
We read with interest the paper by Michiels et al on the prediction of cancer with microarrays and the commentary by Ioannidis listing the potential as well as the limitations of this approach (February 5, p 488 and 454). Cancer is a disease characterized by complex, heterogeneous mechanisms and studies to define factors that can direct new drug discovery and use should be encouraged. However, this is easier said than done. Casti teaches that a better understanding does not necessarily extrapolate to better prediction, and that useful prediction is possible without complete understanding (1). To attempt both, explanation and prediction, in a single nonmathematical construct, is a tall order (Figure 1).
Date:
March 24, 2005
Creator:
Gardner, S N & Fernandes, M
Object Type:
Article
System:
The UNT Digital Library
Linear theory of boundary effects in open wind tunnels with finite jet lengths
Report in two parts: one examines the boundary conditions for an open wind tunnel with special references to the effects of the closed entrance and exit sections, while the other derives solutions of four types of two-dimensional open tunnels, including one in which the pressures on the two free surfaces are not equal.
Date:
March 1949
Creator:
Katzoff, Samuel; Gardner, Clifford S.; Diesendruck, Leo & Eisenstadt, Bertram J.
Object Type:
Report
System:
The UNT Digital Library
Environmental sampling and mud sampling program of CSDP (Continental Scientific Drilling Program) core hole VC-2B, Valles Caldera, New Mexico
An environmental sampling and drilling mud sampling program was conducted during the drilling operations of Continental Scientific Drilling Program (CSDP) core hole VC-2B, Valles caldera, New Mexico. A suite of four springs and creeks in the Sulphur Springs area were monitored on a regular basis to ensure that the VC-2B drilling program was having no environmental impact on water quality. In addition, a regional survey of springs in and around the Jemez Mountains was conducted to provide background data for the environmental monitoring. A drilling mud monitoring program was conducted during the operations to help identify major fluid entries in the core hole. 32 refs., 14 figs., 7 tabs.
Date:
March 1, 1990
Creator:
Meeker, K.; Goff, F.; Gardner, J.N.; Trujillo, P.E. & Counce, D.
Object Type:
Report
System:
The UNT Digital Library
Analysis of sediments and soils for chemical contamination for the design of US Navy homeport facility at East Waterway of Everett Harbor, Washington. Final report. [Macoma inquinata; Mytilus edulis]
Contaminated sediments in the East Waterway of Everett Harbor, Washington, are extremely localized; they consist of a layer of organically-rich, fine sediments overlying a relatively cleaner, more sandy native material. The contaminated layer varies in thickness throughout the waterway from as much as 2 meters to only a few centimeters. Generally, the layer is thicker and more contaminated at the head of the waterway (northern end) and becomes thinner and less contaminated as one proceeds southerly out of the waterway and into Port Gardner. These sediments contain elevated levels of heavy metals and polynuclear aromatic hydrocarbons (PAH) and scattered concentrations of polychlorinated biphenyls (PCB). Approximately 500,000 cubic yards of material exhibit elevated chemical contamination compared to Puget Sound background levels. The contaminated sediments in this waterway require biological testing before decisions can be made regarding the acceptability of unconfined disposal.
Date:
March 1, 1985
Creator:
Anderson, J.W. & Crecelius, E.A.
Object Type:
Report
System:
The UNT Digital Library
High Intensity Performance of the Brookhaven AGS.
The Brookhaven AGS provides 24 GeV protons for a multi-user program of fixed-target high energy physics experiments, such as the study of extremely rare Kaon decays. Up to 7 x 10{sup 13} protons are slowly extracted over 2.2 seconds each 5.1 seconds. The muon storage ring of the g-2 experiment is supplied with bunches of 7 x 10{sup 12} protons. Since the completion of the a 1.9 GeV Booster synchrotron and installation of a new high-power rf system and transition jump system in the AGS various modes of operation have been explored to overcome space charge limits and beam instabilities at these extreme beam intensities. Experiments have been done using barrier cavities to enable accumulation of debunched beam in the AGS as a potential path to significantly higher intensities. We report on the present understanding of intensity limitations and prospects for overcoming them.
Date:
March 29, 1999
Creator:
Ahrens, L. A.; Alessi, J.; Blaskiewicz, M.; Brennan, J. M.; Brown, K.; Gardner, C. et al.
Object Type:
Article
System:
The UNT Digital Library
The Effect of Temperature on the Width of a Small-Amplitude, Solitary Wave in a Collision-Free Plasma
"Adlam and Allen and Davis, Lust, and Schluter have studied nonlinear plane-waves, propagating normal to the magnetic field, in a cold plasma. One solution of particular interest is a solitary wave, or single pulse. We present a method for solving the analogous problem for a plasma with finite temperature, in the limiting case where the amplitude of the wave is small and where, consequently, the width of the waver is very large."
Date:
March 15, 1961
Creator:
Gardner, Clifford S.
Object Type:
Report
System:
The UNT Digital Library
Turn-by-Turn Analysis of Proton and Gold Beams at Injection in the AGS Booster.
In this paper we describe the latest version of a program we have used for several years to acquire and analyze turn-by-turn data from pick-up electrodes in the AGS Booster during injection. The program determines several parameters of the injected beam including the tunes and the position and angle of the incoming beam. Examples are given for both proton and gold injection.
Date:
March 29, 1999
Creator:
Gardner, C.; Ahrens, L. & Williams, N.
Object Type:
Article
System:
The UNT Digital Library
Geohydrologic study of the Michigan Basin for the applicability of Jack W. McIntyre`s patented process for simultaneous gas recovery and water disposal in production wells
Geraghty & Miller, Inc. of Midland, Texas conducted a geohydrologic study of the Michigan Basin to evaluate the applicability of Jack McIntyre`s patented process for gas recovery and water disposal in production wells. A review of available publications was conducted to identify, (1) natural gas reservoirs which generate large quantities of gas and water, and (2) underground injection zones for produced water. Research efforts were focused on unconventional natural gas formations. The Antrim Shale is a Devonian gas shale which produces gas and large quantities of water. Total 1992 production from 2,626 wells was 74,209,916 Mcf of gas and 25,795,334 bbl of water. The Middle Devonian Dundee Limestone is a major injection zone for produced water. ``Waterless completion`` wells have been completed in the Antrim Shale for gas recovery and in the Dundee Limestone for water disposal. Jack McIntyre`s patented process has potential application for the recovery of gas from the Antrim Shale and simultaneous injection of produced water into the Dundee Limestone.
Date:
March 1, 1994
Creator:
Maryn, S.
Object Type:
Report
System:
The UNT Digital Library
Measurement of the p - anti-p ---> W gamma + X cross section at s**(1/2) = 1.96-TeV and WW gamma anomalous coupling limits
The WW{gamma} triple gauge boson coupling parameters are studied using p{bar p} {yields} {ell}{nu}{gamma} + X({ell} = e, {mu}) events at {radical}s = 1.96 TeV. The data were collected with the D0 detector from an integrated luminosity of 162 pb{sup -1} delivered by the Fermilab Tevatron Collider. The cross section times branching fraction for p{bar p} {yields} W({gamma}) + X {yields} {ell}{nu}{gamma} + X with E{sub T}{sup {gamma}} > 8 GeV and {Delta}R{sub {ell}{gamma}} > 0.7 is 14.8 {+-} 1.6(stat) {+-} 1.0(syst) {+-} 1.0(lum) pb. The one-dimensional 95% confidence level limits on anomalous couplings are -0.88 < {Delta}{kappa}{sub {gamma}} < 0.96 and -0.20 < {lambda}{sub {gamma}} < 0.20.
Date:
March 1, 2005
Creator:
Abazov, V. M.; Abbott, B.; Abolins, M.; Acharya, B. S.; Adams, M.; Adams, T. et al.
Object Type:
Article
System:
The UNT Digital Library
Study of coal reactivities. Final report, June 1, 1976-September 30, 1979. [Entire reactor is weighed; gas lines are thin walled and flexible; 5 to 30 atmospheres; 800/sup 0/C to 930/sup 0/C]
The purpose of contract No. E(49-18)2368 (EX-76-S-01-2368) was to develop a means for measuring coal reactivities at practical gasification conditions, to make measurements of coal reactivities on several coal chars, and to develop correlations relating coal gasification rates to measurable parameters. These goals have been achieved. A novel Hanging Reactor Thermobalance was developed under the present contract. This unique instrument provides a completely new method for measurement of gas/solid reaction rate data at practical process conditions of temperature, pressure, gas phase composition and fluid mechanical regime. In addition to coal gasification studies the new device will be useful in other energy related studies, i.e., shale oil pyrolysis and hot stack gas cleanup. The instrument was used to study the CO/sub 2/ gasification of Montana Rosebud char and Illinois No. 6 coal. A careful modelling study was made. The observed reaction rate vs. time (and conversion) data were correlated with a physically realistic model using only measurable parameters.
Date:
March 1, 1981
Creator:
Angus, J. C.; Gardner, N. C.; Kocjancic, Jr, F. J.; Lee, S.; Leto, J. J.; Shine, S. M. et al.
Object Type:
Report
System:
The UNT Digital Library
KEWB Program Quarterly Progress Report: July-September 1956
From abstract: The response of the reactor to forced oscillations has been investigated with the pile oscillator technique and the data are presently being analyzed.
Date:
March 1, 1957
Creator:
North American Aviation. Atomics International Division. Kinetic Experiments on Water Boilers Program.
Object Type:
Report
System:
The UNT Digital Library
Beam-Loss Driven Design Optimization for the Spallation Neutron Source (SNS) Ring.
This paper summarizes three-stage design optimization for the Spallation Neutron Source (SNS) ring: linear machine design (lattice, aperture, injection, magnet field errors and misalignment), beam core manipulation (painting, space charge, instabilities, RF requirements), and beam halo consideration (collimation, envelope variation, e-p issues etc.).
Date:
March 29, 1999
Creator:
Wei, J.; Beebe-Wang, J.; Blaskiewicz, M.; Cameron, P.; Danby, G.; Gardner, C. J. et al.
Object Type:
Article
System:
The UNT Digital Library
The Geology and Mineralogy of the W. Wilson Mine Near Clancey, Jefferson County, Montana
Report discussing the W. Wilson mine, which contained quartz, chalcedony, and silicified quartz monzonite. Pitchblende was deposited in the vein of the mine and subsequently oxidized and hydrated.
Date:
March 1953
Creator:
Meschter, D. Y.
Object Type:
Report
System:
The UNT Digital Library
Economic analysis of efficient distribution transformer trends
This report outlines an approach that will account for uncertainty in the development of evaluation factors used to identify transformer designs with the lowest total owning cost (TOC). The TOC methodology is described and the most highly variable parameters are discussed. The model is developed to account for uncertainties as well as statistical distributions for the important parameters. Sample calculations are presented. The TOC methodology is applied to data provided by two utilities in order to test its validity.
Date:
March 1, 1998
Creator:
Downing, D. J.; McConnell, B. W.; Barnes, P. R.; Hadley, S. W. & Van Dyke, J. W.
Object Type:
Report
System:
The UNT Digital Library