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United States Department of Energy Chicago Operations Office

Overview
Works: 7,860 works in 8,766 publications in 1 language and 32,478 library holdings
Genres: Directories  Conference papers and proceedings 
Roles: Researcher, Sponsor
Classifications: QC911, 697.78
Publication Timeline
Key
Publications about United States
Publications by United States
Most widely held works by United States
Solar radiation data forecast and interpolation analysis by John Woo( Book )
4 editions published in 1979 in English and held by 71 libraries worldwide
Final technical report for heat pipe central solar receiver by Walter B Bienert( Book )
in English and held by 68 libraries worldwide
The passive and hybrid solar energy program ( Book )
2 editions published in 1980 in English and held by 40 libraries worldwide
Exotic atoms : Muonic atoms into vacuum from solid hydrogen. Technical progress report, February 1, 1994--January 31, 1995 ( file )
4 editions published between 1993 and 1995 in English and held by 0 libraries worldwide
The experiments use various solid hydrogen layers to form various muonic hydrogen isotopes that escape into vacuum. The method relies on transfer of the muon from protium to either a deuteron or a triton. The resulting muonic deuterium or muonic tritium will not immediately thermalize because of the very low elastic cross sections, and may be emitted from the surface of the layer. Measurements which detect decay electrons, muonic x-rays, and fusion products have been used to study the processes. A target has been constructed which exploits muonic atom emission in order to learn more about the energy dependence of transfer and muon molecular formation
Reactions of metal ions and their clusters in the gas phase using laser ionization--Fourier transform mass spectrometry ( file )
4 editions published between 1990 and 1992 in English and held by 0 libraries worldwide
Carbon clusters of the form C{sub N}⁻ are observed at least out to N = 30 confirming that cluster formation is occurring in the high pressure waiting room'' of the supersonic cluster source. This can be stated unequivocally, since only up to N = 13 is observed by direct laser desorption of a carbon target in the absence of supersonic expansion. Currently underway is a systematic investigation of a wide variety of M-C{sub n}H{sub 2n} species with n = 2--10 and M = first and second row transition metal ions. In addition we will shortly apply this methodology to doubly charged ions and metal cluster ions. All indications are that this area will be highly productive
Optimization of film synthesized rare earth transition metal permanent magnet systems ( file )
4 editions published between 1990 and 1992 in English and held by 0 libraries worldwide
This report reviews work on the optimization of film synthesized rare earth transition metal permanent magnet systems. Topics include: high coercivity in Sm-Fe-Ti-V, Sm-Fe-V, and two element systems; ThMn₁₂ type pseudobinary SmFe{sub 12 - X}T{sub X}; and sputter process control for the synthesis of precisely textured RE-TM magnetic films. (JL)
In vivo mutagenicity and clastogenicity of ionizing radiation in nuclear medicine. Annual technical progress report, [1991] ( file )
6 editions published between 1989 and 1991 in English and held by 0 libraries worldwide
The overall goals of our research remains to investigate the mutagenic and clastogenic effects of exposure to low levels of ionizing radiation in human lymphocytes. We are studying hospital patients referred to a nuclear medicine department for diagnostic cardiac imaging and nuclear medicine technologists who administer radionuclides
Sensitivity of climate models : Comparison of simulated and observed patterns for past climates. Progress report, February 1, 1994--January 31, 1995 ( file )
5 editions published between 1991 and 1994 in English and held by 0 libraries worldwide
Predicting the potential climatic effects of increased concentrations of atmospheric carbon dioxide requires the continuing development of climate models. Confidence in the predictions will be much enhanced once the models are thoroughly tested in terms of their ability to simulate climates that differ significantly from today's climate. During the past several years, the authors have used paleoclimatic data to test the accuracy of the NCAR CCMO (National Center for Atmospheric Research, Community Climate Model, Version 0), after changing its boundary conditions to those appropriate for past climates. Research has shown that comparing the model results with the data is an evolutionary process, because the models, the data, and the methods for comparison are continually being improved. From 1991 to 1993 the authors have completed new modeling experiments, further analyzed previous model experiments, updated existing sets of paleoclimatic data, made new comparisons between data and model results, and participated in workshops on paleoclimatic modeling
Studies of yrast and continuum states in A = 100--200 nuclei. [Purdue Univ., West Lafayette, Indiana] ( file )
4 editions published between 1992 and 1993 in English and held by 0 libraries worldwide
This report summarizes progress in nuclear structure research for the year 1991. The highlights include new spectroscopic results for neutron excessive nuclei (around ¹²⁴Sn and ³⁶S) formed in deep inelastic heavy ion reactions
Configuration space Faddeev calculations. Progress report, 1 November 1992--31 October 1993 ( file )
4 editions published between 1989 and 1994 in English and held by 0 libraries worldwide
The detailed study of few-body systems provides one of the most precise tools for studying the dynamics of nuclei and nucleons. This research program consists of a careful theoretical study of few-body systems and methods for modeling these systems. Brief summaries are given on several aspects of this program including the following: the use of configuration-space Faddeev equations to solve the proton-deuteron scattering problem with long-range Coulomb interactions; calculations of the triton binding energy; inclusion of dynamical vacuum structures in Hamiltonian light-front dynamics; constraints in Bethe-Salpeter models; signature of quantum chaos; applications of point form relativistic quantum mechanics collective nuclear models and the symplectic group Sp (6,R); and anharmonic oscillators and quantum mechanics systems in nonconstant magnetic fields
Macrostatistical hydrodynamics. Progress report, September 15, 1993--September 14, 1994 ( file )
5 editions published between 1992 and 1994 in English and held by 0 libraries worldwide
This research aims to correlate the macroscopic rheological behavior of suspensions with their statistical microstructure. This fundamental knowledge will benefit a host of technologies, including geothermal energy production, petroleum production and refining, and synfuels processing. The approach involves a novel combination of experiments, numerics, and theory. Experiments primarily involve tracking small balls as they fall slowly through otherwise quiescent suspensions of neutrally buoyant particles. Detailed trajectories of the balls, obtained either with new experimental techniques or by numerical simulation, are statistically interpreted in terms of the mean settling velocity and the dispersion about the mean. Determining the mean settling velocity of balls that are small relative to the suspended particles is a means of measuring the macroscopic zero-shear-rate viscosity without significantly disturbing the original microstructure; therefore, falling-ball rheometry is a powerful tool for use in studying the effects of microstructure on the macroscopic properties of suspensions. The dispersion about the mean yields information about the particle interactions. To date, the mean and dispersivity of a falling sphere's velocity has been determined as a function of the tracer sphere size and the suspended particle size, shape, and concentration. Currently, the pressure drop caused by the falling ball is being measured also. This will provide a much needed benchmark problem for numerical studies, as well as provide another measure of the macroscopic response of a suspension as a function of its microstructure. Also begun recently are two studies of boundary effects in two-phase fluids: the determination of the torque on a small ball spinning in a suspension and the determination of the velocity of a small ball rolling down the wall of a container holding a suspension
Study of intermediates from transition metal excited-state electron-transfer reactions. Progress report, August 1, 1989--December 31, 1991 ( file )
4 editions published between 1991 and 1992 in English and held by 0 libraries worldwide
Conventional and fast-kinetics techniques of photochemistry, photophysics, radiation chemistry, and electrochemistry were used to study the intermediates involved in transition metal excited-state electron-transfer reactions. These intermediates were excited state of Ru(II) and Cr(III) photosensitizers, their reduced forms, and species formed in reactions of redox quenchers and electron-transfer agents. Of particular concern was the back electron-transfer reaction between the geminate pair formed in the redox quenching of the photosensitizers, and the dependence of its rate on solution medium and temperature in competition with transformation and cage escape processes. (DLC)
The Radiological Research Accelerator Facility. Progress report, December 1, 1991--November 30, 1992 ( file )
5 editions published between 1992 and 1994 in English and held by 0 libraries worldwide
This document begins with a general description of the facility to include historical and up-to-date aspects of design and operation. A user's guide and a review of research using the facility follows. Next the accelerator utilization and operation and the development of the facilities is given. Personnel currently working at the facility are listed. Lastly, recent publications and literature cited are presented
Progress report : sexism in education by University of Pittsburgh( file )
64 editions published between 1989 and 1995 in English and held by 0 libraries worldwide
We report progress in elucidating the microbiological variables important in determining the relative success of bacteria in utilizing soil-sorbed contaminants. Two bacterial species, Pseudomonas putida (ATCC 17484) and an Alcaligenes sp. isolated from petroleum contaminated soil are known to differ markedly in their ability to utilize soil-sorbed napthalene based on a kinetic comparison of their capability of naphthalene mineralization in soil-containing and soil-free systems. The kinetic analysis led us to conclude that strain 17484 had direct access to naphthalene present in a labile sorbed state which promoted the rapid desorption of naphthalene from the non-labile phase. Conversely, both the rate and extent of naphthalene mineralization by strain NP-Alk suggested that this organism had access only to naphthalene in solution. Desorption was thus limited and the efficiency of total naphthalene removal from these soil slurries was poor. These conclusions were based on the average activities of cells in soil slurries without regard for the disposition of the organisms with respect to the sorbent. Since both organisms degrade naphthalene by apparently identical biochemical pathways, have similar enzyme kinetic properties, and are both motile, gram negative organisms, we undertook a series of investigations to gain a better understanding of what microbiological properties were important in bioavailability
Research in heavy-ion nuclear physics. Annual progress report, May 1, 1991--April 30, 1992 ( file )
4 editions published in 1992 in English and held by 0 libraries worldwide
This report discusses the following topics: Fusion-fission in light nuclear systems; High-resolution Q-value measurement for the ²⁴Mg+²⁴Mg reaction; Heavy-ion reactions and limits to fusion; and Hybrid MWPC-Bragg curve detector development
Final report by Yale University( file )
45 editions published between 1991 and 2011 in English and held by 0 libraries worldwide
This document presents an annual report on our long-term R & D grant for development of new technology for future colliders. The organizing theme of our development is to develop a compact high-field collider dipole, utilizing wind-and-react Nb3Sn coil fabrication, stress man-agement, conductor optimization, bladder preload, and flux plate suppression of magnetization multipoles . The development trail for this new technology began over four years ago with the successful testing of TAMU12, a NbTi model in which we put to a first test many of the construction details of the high-field design. We have built TAMU2, a mirror-geometry dipole containing a single coil module of the 3-module set required for the 14 Tesla design. This first Nb3Sn model was built using ITER conductor which carries much less current than high-performance conductor but enables us to prove in practice our reaction bake and impregnation strategies with 'free' su-perconductor. TAMU2 has been shipped to LBNL for testing. Work is beginning on the con-struction of TAMU3, which will contain two coil modules of the 14 Tesla design. TAMU3 has a design field of 13.5 Tesla, and will enable us to fully evaluate the issues of stress management that will be important to the full design. With the completion of TAMU2 and the construction of TAMU3 the Texas A & M group 'comes of age' in the family of superconducting magnet R & D laboratories. We have completed the phase of developing core technologies and fixtures and entered the phase of building and testing a succession of TAMU3 model dipoles that each build incrementally upon a proven core design. TAMU3 provides a testbed in which we can build a succession of model dipoles in which each new model uses one new winding module coupled with one module from the previ-ous model, and uses all of the same structural elements in successive models. This incremental development should enable us to keep to a minimum the time between the completion and test-ing of successive models. Each new model will incorporate a particular design element that we wish to evaluate: first the basic TAMU3 structure, then substitute one pancake using high-performance superconductor (3,000 A/mm2 @ 12 T, 4.2 K), then substitute one pancake using mixed-strand cable, then insert a steel nose to reduce the peak field in the end region of a single-pancake coil. While we are building and testing this succession of TAMU3 models we will de-velop the tooling and evaluate strategies for flaring the ends of the center double-pancake coil needed for. TAMU4. TAMU4 is a full implementation of the design, culminating in 14 Tesla performance. Pending the proposed increase of budget from the present 3-year-flat budget and providing that the tests of each model dipole do not lead to substantial modifications of the de-sign, the time to build and test each succeeding model could be ~9 months. During the present funding year we made a sequence of innovations that have major poten-tial benefit for the commissioning of LHC, upgrade of its luminosity, and its long-term future: An electrode assembly, suitable for integration within the existing LHC dipoles, ca-pable of killing the electron cloud effect - an effect that threatens to limit the lumi-nosity that could be attained in LHC; A Nb3Sn structured cable, which makes it possible to design very high gradient quadrupoles for upgrade of the interaction regions of LHC to enhance its luminosity; A Nb3Sn/NbTi levitated-pole dipole for use in the D1 bends that combine and sepa-rate the beams at the intersection regions. The levitated-pole design uniquely solves the problems of radiation damage and heating from particles swept from the beam. A hybrid dipole technology, in which inner windings of Bi-2212 are integrated in a Nb3Sn block-coil dipole to push to 24 Tesla, opening the possibility of a future trip-ler upgrade of LHC
Studies in premixed combustion. Progress report, November 1, 1990--October 31, 1992 ( file )
4 editions published between 1992 and 1993 in English and held by 0 libraries worldwide
During the period under review, significant progress was been made in studying the intrinsic dynamics of premixed flames and the problems of flame-flow interaction. (1) A weakly nonlinear model for Bunsen burner stabilized flames was proposed and employed for the simulation of three-dimensional polyhedral flames -- one of the most graphic manifestations of thermal-diffusive instability in premixed combustion. (2) A high-precision large-scale numerical simulation of Bunsen burner tip structure was conducted. The results obtained supported the earlier conjecture that the tip opening observed in low Lewis number systems is a purely optical effect not involving either flame extinction or leakage of unburned fuel. (3) A one-dimensional model describing a reaction wave moving through a unidirectional periodic flow field is proposed and studied numerically. For long-wavelength fields the system exhibits a peculiar non-uniqueness of possible propagation regimes. The transition from one regime to another occurs in a manner of hysteresis
Mechanisms and controlling characteristics of the catalytic oxidation of methane. Technical progress report, June 15, 1990--December 14, 1992 ( file )
4 editions published between 1990 and 1992 in English and held by 0 libraries worldwide
We have demonstrated in this work (1) that methane is readily activated at mild conditions (100°C, 1 torr) over a relatively noble metal, Pd. This was observed using a stepped and kinked Pd(679) crystal (1), and other crystal faces are now being investigated to establish whether the cracking of the C-H bond of methane on Pd is structure sensitive or structure insensitive. Oxygen chemisorption is extremely structure sensitive: weakly bonded, highly reactive oxygen overlayers form on Pd(100) surface (2), while strongly bonded, moderately reactive oxygen overlayers form on Pd(111) and Pd(679). Reaction of the weakly bonded oxygen with surface carbide gives rise to CO₂ over clean Pd(100) but to CO over halogen-doped Pd(100) (3--5). The effect of halogens is primarily ensemble-controlling, or oxygen-supply restricting, but long range influence of surface Cl on the strength of the Pd-O bond has also been observed (3). Because the overall chemistry of methane activation with the subsequent oxidation gives rise to the very important oxidative reforming CH₄ + 1/2 O₂ -->{sub Pd/Cl} CO + 2 H₂, Pd/Cl we plan to continue our study of this reaction in detail over Pd(100) (completed), Pd(111) (initiated), Pd(311) (initiated), Pd(110) (to be initiated), and Pd(679) (completed), without and with the halogen modifiers
New techniques for positron emission tomography in the study of human neurological disorders ( file )
4 editions published between 1992 and 1993 in English and held by 0 libraries worldwide
This progress report describes accomplishments of four programs. The four programs are entitled (1) Faster, simpler processing of positron-computing precursors: New physicochemical approaches, (2) Novel solid phase reagents and methods to improve radiosynthesis and isotope production, (3) Quantitative evaluation of the extraction of information from PET images, and (4) Optimization of tracer kinetic methods for radioligand studies in PET
Supported organometallic complexes : Surface chemistry, spectroscopy, and catalysis ( file )
4 editions published between 1990 and 1992 in English and held by 0 libraries worldwide
The goal of our program is to define those modes of interaction that take place between organometallic molecules and inorganic surfaces and, ultimately, to correlate various molecule-surface structures with catalytic properties
 
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controlled identity United States. Department of Energy

United States. Department of Energy. Chicago Operations and Regional Office
United States. Dept. of Energy. Chicago Operations Office
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English (186)
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