| Development of a Tetrathioether (S4) Bifunctional Chelate System for Rh-105 |
Jul 2012 |
9 pages |
| Authors:
Valerie Carroll; Don Wycoff; Fabio Galazzi; Timothy Hoffman; Silvia Jurisson; MISSOURI UNIV-COLUMBIA
|
 | The purpose of this project is to develop and evaluate a potential new molecule for site directed prostate cancer therapy. The moderate - emissions (0.566 MeV [70%], 0.248 MeV [19%], t = 35.4 h) of rhodium-105 are well suited for therapy of solid tumors. In addition to its favorable nuclear properties, the kinetic inertness of low-spin d6 Rh(III) complexes make them good candidates for radiopharmaceutical use. The bifunctional chelate method ... |
|
| Device Comparison for Determining Field Soil Moisture Content |
Nov 2011 |
63 pages |
| Authors:
IV Berney Ernest S; James D Kyzar; Lawrence O Oyelami; ENGINEER RESEARCH AND DEVELOPMENT CENTER VICKSBURG MS GEOTECHNICAL AND STRUCTURES LAB
|
| During the period May 2010-August 2010, researchers of the U.S. Army Engineer Research and Development Center in Vicksburg, MS tested the effectiveness of various devices in determining the moisture content of soil for horizontal construction. These tests were conducted to determine a usable alternative to the nuclear soil density gauge. The accuracy and precision of the different testing devices was compared to the standard laboratory oven soil moisture determination. The ... |
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| Pakistan's Nuclear Weapons: Proliferation and Security Issues |
15-Oct-2009 |
|
| Authors:
Mary B Nikitin; Paul K Kerr; LIBRARY OF CONGRESS WASHINGTON DC CONGRESSIONAL RESEARCH SERVICE
|
 | Pakistan's nuclear arsenal consists of approximately 60 nuclear warheads, although it could be larger. Islamabad is producing fissile material, adding to related production facilities, and deploying additional delivery vehicles. These steps will enable Pakistan to undertake both quantitative and qualitative improvements to its nuclear arsenal. Whether and to what extent Pakistan's current expansion of its nuclear weapons-related facilities is a response to the 2008 U.S.-India nuclear cooperation agreement is unclear. ... |
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| The Iran-Libya Sanctions Act (ILSA) |
08 AUG 2006 |
|
| Authors:
Kenneth Katzman; LIBRARY OF CONGRESS WASHINGTON DC CONGRESSIONAL RESEARCH SERVICE
|
| No firms have been sanctioned under the Iran-Libya Sanctions Act (ILSA), and it has terminated with respect to Libya. Renewed in August 2001 for another five years (P.L. 107-24), ILSA is scheduled to expire in August 2006. In the 109th Congress, H.R. 282 (passed by the House on April 26, 2006) and S. 333 would extend it indefinitely and tighten some provisions. S. 2657 would extend ILSA, with no further ... |
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| Investigation of Tellurium-130 Nuclear Structure Using Inelastic Neutron Scattering |
07 MAY 2003 |
120 pages |
| Authors:
Tyler H. Churchill; NAVAL ACADEMY ANNAPOLIS MD DEPT OF PHYSICS
|
| TELLThe purpose of nuclear structure research is to understand the features of the nuclear force that determine the various ways a nucleus can behave upon excitation. Theoretical model calculations are compared to experimental data in order to understand which models better predict different nuclear properties. The tellurium-130 nucleus has two valence protons with respect to a closed proton shell and several different types of nuclear structure behavior are thought to ... |
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| Kinetic Description of a Degenerate, Rotating, Non-neutral Electron Plasma in External Magnetic Fields in the Framework of the Thomas-Fermi-Dirac Theory |
24 JUN 2002 |
6 pages |
| Authors:
V. G. Molinari; F. Rocchi; M. Sumini; BOLOGNA UNIV (ITALY)
|
| Aim of this work is to extend the results obtained in a previous study on the magnetic confinement and stability of a quantum degenerate non-neutral fermion plasma. This extension consists in the inclusion in the previously set up model of the effects of the exchange forces, and generalizes the Thomas-Fermi (TF) approach used in the referenced work towards a Thomas-Fermi-Dirac (TF) statistical description. The TF model has not only been ... |
|
| Thermal and Nuclear Aspects of the Pd/D2O System. Volume 2. Simulation of the Electrochemical Cell (ICARUS) Calorimetry |
FEB 2002 |
173 pages |
| Authors:
S. Szpak; P. A. Mosier-Boss; SPACE AND NAVAL WARFARE SYSTEMS CENTER SAN DIEGO CA
|
| The second volume of this two-volume report describes the modeling and simulation of the Dewar-type calorimeter. The emphasis is on the interpretation of data and the accuracy of the determination of the excess enthalpy generation via the appropriate selection of heat transfer coefficients. |
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| Energy Transfer Processes in (Lu,Gd)AlO3:Ce |
2001 |
5 pages |
| Authors:
Andrzej J. Wojtowicz; Jiri A. Mares; NICHOLAS COPERNICUS UNIV OF TORUN (POLAND) INST OF PHYSICS
|
| In this paper we present initial results of studies on energy transfer processes in Ce-activated Lu, Y and Gd aluminum perovskite crystals that contribute to production of scintillation light in these new scintillator materials. In particular we report and analyze emission spectra, excitation spectra, and emission time profiles under pulsed synchrotron excitation in the wavelength range of 50-300 nm. The emission spectra of Lu(0.65)Gd(0.35)AlO3:Ce and Lu(0.2)Y(0.8)AlO3:Ce display a characteristic double ... |
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| Charge Traps and Emission Kinetics in LuAP:Ce |
2001 |
5 pages |
| Authors:
J. Glodo; A. J. Wojtowicz; NICHOLAS COPERNICUS UNIV OF TORUN (POLAND) INST OF PHYSICS
|
| In this contribution we demonstrate the influence of shallow charge traps on emission kinetics of LuAlO3:Ce(3+) (LuAP:Ce) scintillator. Shallow traps through their interference with the recombination process not only introduce into the emission time profiles long components (afterglow) but also can change the rising and decaying parts of time profiles. The lifetime of excited Ce(3+) ion in LuAP crystal is ^ 18 ns, while the excitation at 78 nm leads ... |
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| Molecular Dynamics Investigation of the Desensitization of Detonable Material |
AUG 1998 |
37 pages |
| Authors:
Betsy M. Rice; William Mattson; Samuel F. Trevino; ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD
|
| A molecular dynamics investigation of the effects of a diluent on the detonation of a model crystalline explosive is presented. The diluent, a heavy material that cannot exothermally react with any species of the system, is inserted into the crystalline explosive in two ways. The first series of simulations investigates the attenuation of the energy of a detonation wave in a pure explosive after it encounters a ... |
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| Nuclear Nonproliferation: Difficulties in Accomplishing IAEA's Activities in North Korea |
JUL 1998 |
27 pages |
| Authors:
GENERAL ACCOUNTING OFFICE WASHINGTON DC RESOURCES COMMUNITY AND ECONOMIC DEVELOPMENT DIV
|
| This report discusses the status of IAEA's activities under the Agreed Framework, including IAEA's (1) nuclear-freeze-monitoring activities, (2) inspections of facilities not subject to the freeze, and (3) plans to verify the accuracy and completeness of North Korea's 1992 declaration of the amount of nuclear material in its possession. |
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| Macrocyclic Polycation Complexes for Secondary Anion Binding, Molecular Recognition, and Catalysis |
MAY 96 |
5 pages |
| Authors:
Arthur E. Martell; TEXAS A AND M RESEARCH FOUNDATION COLLEGE STATION
|
| The research described in eighteen technical reports are summarized in this final report. The work accomplished involves the application of macrocyclic ligands to the recognition of small molecules and anions, and the use of the metal complexes of these macrocyclic ligands for molecular recognition and catalysis of reactions of the guest molecules and anions. The reaction types investigated include oxygen carriers, dinuclear copper(l) dioxygen complexes as catalytic intermediates in the ... |
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| A Molecular Dynamics Study of Detonation. 1. A Comparison with Hydrodynamic Predictions |
MAR 96 |
50 pages |
| Authors:
Betsy M. Rice; William Mattson; John Grosh; S. F. Trevino; ARMY RESEARCH LAB ABERDEEN PROVING GROUND MD
|
| We have compared the predictions of hydrodynamic theory for the properties of an unsupported detonation with the results of a molecular dynamics simulation of such a phenomenon. The model of an energetic crystal consists of heteronuclear diatomic molecules which require energy to break the molecular bonds (at ambient pressure) and release substantial energy upon association of the products to form homonuclear diatomic molecules. The equation of state used in the ... |
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| Nuclear Shipping and Storage Containers with Depleted Uranium (DU) shielding Department of Transportation (DOT) Certification Tests |
JAN 96 |
94 pages |
| Authors:
William R. Meyer; ARMY DEFENSE AMMUNITION CENTER AND SCHOOL SAVANNA IL
|
| The U.S. Army Defense Ammunition Center and School (USADACS), Validation Engineering Division (SIOAC-DEV), was tasked by Industrial Operations Command (IOC), AMSIO-SMA-N, to conduct Department of Transportation (DOT) tests on nuclear hazardous waste containers containing concrete and 30mm DU rounds for shielding. Two series of tests were conducted due to fluctuations in radiation levels experienced during the first series of tests. During the second series of tests no fluctuations in radiation ... |
|
| On the Jahn-Teller Effect of Mn(2+) in Zinc-Blende ZnS Crystal |
18 APR 95 |
26 pages |
| Authors:
Krassimir K. Stavrev; Michael C. Zerner; FLORIDA UNIV GAINESVILLE DEPT OF CHEMISTRY
|
| The excited states of Mn(2+) in zinc-blende ZnS crystal have been studied by the Intermediate Neglect of Differential Overlap model parameterized for spectroscopy (INDO/S) within the Restricted Open-Shell Hartree-Fock (ROHF)- Configuration Interaction (CI) approximation. The effect of the Jahn-Teller (JT) active e-mode on the first excited state (a(4)T1) has been examined with respect to energy barriers and geometric distortions. The dynamical JT effect has been studied and the excited state ... |
|
| Basic Study of the Pumping of a Gamma-Ray Laser |
15 APR 95 |
116 pages |
| Authors:
C. B. Collins; J. J. Carroll; TEXAS UNIV AT DALLAS RICHARDSON CENTER FOR QUANTUM ELECTRONICS
|
| The most productive approaches to the problem of the gamma ray laser have focused upon upconversion techniques in which metastable nuclei are pumped with long wavelength radiation. At the nuclear level the storage of energy can approach tera-Joules (10(exp 12)J) per liter for thousands of years. However, any plan to use such a resource for a gamma ray laser poses problems of a broad interdisciplinary nature requiring the fusion of ... |
|
| Temporal Rearrangement of Electronic Densities in Slow Atomic Collisions |
16 MAY 94 |
20 pages |
| Authors:
D. A. Micha; FLORIDA UNIV GAINESVILLE QUANTUM THEORY PROJECT
|
| Electronic rearrangement in atomic interactions involve two very different time scales, for nuclear (slow) and electronic (fast) motions. This requires special care when one calculates solutions to the corresponding coupled differential equations. A method has been developed to treat the coupling of very different time scales, based on density operators in Liouville space. Its implementation in terms of density matrices, within an eikonal/TDHF formulation, has allowed us to follow the ... |
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| Template Synthesis of Metal Microtubule Ensembles Utilizing Chemical, Electrochemical, and Vacuum Deposition Techniques |
03 JAN 94 |
37 pages |
| Authors:
Charles J. Brumlik; Charles R. Martin; Vinod P. Menon; COLORADO STATE UNIV FORT COLLINS DEPT OF CHEMISTRY
|
| Microtubules are an interesting type of microstructure that resemble miniature drinking straws. Such tubular microstructures are found in nature. In addition, we and others have been investigating strategies for making synthetic analogs. We are especially interested in the idea of making metal microtubules. Four procedures for preparing metal microtubules are described in this paper. The general approach, called template-synthesis, entails using the pores in a microporous membrane as templates for ... |
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| Hazardous Waste Storage Explosion Threat Assessment |
NOV 93 |
19 pages |
| Authors:
James K. Ingram; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS STRUCTURES LAB
|
| A desk study was undertaken to assess the minimum soil cover depth requirement to safely contain possible hydrogen gas detonations which could occur in old nuclear/chemical hazardous waste storage sites located at Oak Ridge, TN. The potential explosive source is primarily from chemical reaction between the stored materials and moisture within the soil cover, the naturally occurring byproduct of which is hydrogen gas. Condensation, percolation, leaching, or direct inflow of ... |
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| Proof of the Feasibility of Coherent and Incoherent Schemes for Pumping a Gamma-Ray Laser |
31 AUG 93 |
218 pages |
| Authors:
C. B. Collins; TEXAS UNIV AT DALLAS RICHARDSON CENTER FOR QUANTUM ELECTRONICS
|
| The most productive approaches to the problem of the gamma-ray laser have focused upon upconversion techniques in which metastable nuclei are pumped with long wavelength radiation. At the nuclear level the storage of energy can approach tera-Joules (10(exp 12)J) per liter for thousands of years. However, any plan to use such a resource for a gamma-ray laser poses problems of a broad interdisciplinary nature requiring the fusion of concepts taken ... |
|
| Radio Wave Propagation in Structured Ionization for Satellite and Radar Applications |
01 AUG 93 |
83 pages |
| Authors:
Leon A. Wittwer; DEFENSE NUCLEAR AGENCY ALEXANDRIA VA
|
| This report is an extension to DNA 5304D and DNA-IR-82-02 which presented the radio propagation algorithms recommended for use by DNA to calculate the properties of scintillated signals. This report covers effects related to antennas and extends the formalism to cover two component power spectra of plasma fluctuations. In addition, an improved representation of the total electron content power spectrum is included to support space radar and similar applications. Appendix ... |
|
| Flow Instability Tests for a Particle Bed Reactor Nuclear Thermal Rocket Fuel Element |
MAY 93 |
345 pages |
| Authors:
Timothy J. Lawrence; AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH SCHOOL OF ENGINEERING
|
| Recent analyses have focused on the flow stability characteristics of a particle bed reactor (PBR). These laminar flow instabilities may exist in reactors with parallel paths and are caused by the heating of the gas at low Reynolds numbers. This phenomena can be described as follows: several parallel channels are connected at the plenum regions and are stabilized by some inlet temperature and pressure; a perturbation in one channel causes ... |
|
| Structure and Properties of Novel Compounds of Silicon, Germanium and Tin |
30 NOV 1992 |
8 pages |
| Authors:
Josef Michl; COLORADO UNIV AT BOULDER DEPT OF CHEMISTRY AND BIOCHEMISTRY
|
| Our work on the organic chemistry of silicon, germanium, and tin containing compounds concentrated on the investigation of novel structures and bonding situations, particularly compounds of multiply bonded and divalent atoms of these elements. In the recent years, our interest gradually gravitated towards an interrogation of the electronic structure and bonding in saturated compounds of these elements, most of all, silicon. We believe that an understanding of this subject will ... |
|
| A Mu-Pyrazolyl Terpyridineplatinum(II) Dimer |
AUG 92 |
6 pages |
| Authors:
J. A. Bailey; H. B. Gray; CALIFORNIA INST OF TECH PASADENA DIV OF CHEMISTRY AND CHEMICAL ENGINEERING
|
| mu-(Pyrazolyl-N:N')-bis(2,2,'2 -terpyridine)platinum(II)) perchlorate acetonitrile solvate, Pt2(Cl5HllN3)2(C3H3N2)(ClO4)3.CH3CN, M(sub r) = 1263.18, orthorhombic, Pnma a = 18.172 (2), b = 17.950 (3), c = 12.086 (4) A, V = 3942.3 (15) A(3), Z = 4, D (sub x) = 2.128 g /cu cm, lambda(Mo K(alpha) = 0.71073 A, mu = 74.41 /cm, F (000) = 2416, room temperature (297K), R = 0.0337 for 2510 reflections with F(2) sub omicron > 3 sigma ... |
|
| Solvent Dynamical Effects in Electron Transfer: Some Predicted Modifications in the Presence of Reactant Vibrational Activation and Comparisons With Experimental Findings |
MAY 92 |
|
| Authors:
D. K. Phelps; M. J. Weaver; PURDUE UNIV LAFAYETTE IN DEPT OF CHEMISTRY
|
| The predicted alterations in the solvent-dependent reaction dynamics of electron-transfer processes brought about by the presence of reactant vibrational (inner-shell) activation in addition to overdamped solvent motion are examined by using a slightly modified from of the theoretical treatment due to Sumi, Nadler, and Marcus. Allowance is made for the occurrence of nuclear tunneling involving the high-frequency vibrational modes, and for barrier crossing driven by solvent inertial polarization as well ... |
|
| Observation of Nuclear Diffraction from Multilayers Containing 57Fe, |
05 MAR 1992 |
|
| Authors:
R. Rohlsberger; E. Witthoff; E. Luken; E. Gerdau; HAMBURG UNIV (GERMANY F R) INST FUER EXPERIMENTALPHYSIK
|
| The small resonance width gamma o of Mossbauer transitions allows monochromatization of synchrotron radiation down to a bandwidth of 10 to the minus 7th power - 10 to the minus 9th power by nuclear resonant diffraction. Up to now, the Mossbauer isotopes 57 Fe ( Eo = 14.4 keV, gamma o = 4.7 - 10 to the minus 9th power eV) and 169 Tm ( Eo = 8.4 keV, gamma ... |
|
| Proceedings of Symposium F on New Aspects on the Growth, Characterization and Applications of CdTe and Related Cd Rich Alloys of the 1992 E-MRS Spring Conference held in Strasbourg, France on June 2 - 5, 1992 |
92 |
333 pages |
| Authors:
R. Triboulet; W. R. Wilcox; O. Oda; COMMISSION OF THE EUROPEAN COMMUNITIES LUXEMBOURG
|
| This four-day Symposium has provided the opportunity to take stock of the researched devoted to CdTe and related Cd-rich alloys (roughly in the band gap energy range 1-2 eV) during the last decade, since the encyclopedic and famous work of De Nobel (1960), the Strasbourg conferences of 1972 and 1977, both dedicated to CdTe, and the excellent monography of K. Zanio (1977). CdTe exhibits numerous attractive features. It has a ... |
|
| Impacts of a Nominal Nuclear Electromagnetic Pulse on Electric Power Systems. Phase 3. Final Report |
APR 91 |
104 pages |
| Authors:
V. J. Kruse; D. L. Nickel; J. J. Bonk; E. R. Taylor Jr; OAK RIDGE NATIONAL LAB TN ENERGY DIV
|
| A high-altitude nuclear detonation several hundred kilometers above the central United States will subject much of the nation to an electromagnetic pulse (EMP) consisting of intense steep-front short-duration transient electromagnetic fields followed by a geomagnetic disturbance with a duration of tens of seconds. Since 1983, the Department of Energy has been actively pursuing a research program to assess the potential impacts of one or more EMP events on the nation's ... |
|
| A Rudimentary Overview of the Capabilities and Problems Concerning the Finite-Element Method |
FEB 91 |
|
| Authors:
J. J. Klaasen; DEFENCE RESEARCH ESTABLISHMENT OTTAWA (ONTARIO)
|
| The finite element method is very powerful and flexible to model complex geometries with computers, because the region of interest can be subdivided into finite elements accurately. The advantages and drawbacks of the finite-element method will be the focus of the rudimentary investigation presented in this report. Especially, the requirements in terms of computational effort and computer memory storage will be investigated with respect to Nuclear ElectroMagnetic Pulse (NEMP) research ... |
|
| Time-Domain Analysis of One-Dimensional Electromagnetic Scattering by Lossy Media (Tijddomein Analyse van Een-Dimensionale Verstrooiing door een Medium met Verliezen) |
OCT 90 |
|
| Authors:
J. J. Klaasen; FYSISCH EN ELEKTRONISCH LAB TNO THE HAGUE (NETHERLANDS)
|
| A study was performed to investigate the electromagnetic scattering in the time domain by a plane interface between two half-spaces. One half-space is assumed to be vacuum, while the other half-space is homogeneous and consists of lossy material. The incident field is assumed to be a uniform plane wave. Hence, this study addresses the one-dimensional scattering problem. Both horizontal and vertical polarization of the incident field are addressed. Starting with ... |
|
| Proof of the Feasibility of Coherent and Incoherent Schemes for Pumping a Gamma-Ray Laser |
JAN 89 |
78 pages |
| Authors:
Carl B. Collins; TEXAS UNIV AT DALLAS RICHARDSON CENTER FOR QUANTUM ELECTRONICS
|
| Recent approaches to the problem of the gamma-ray laser have focused upon upconversion techniques in which metastable nuclei are pumped with long wavelength radiation. At the nuclear level the storage of energy can approach tera-Joules (1012J) per liter for thousands of years. However, any plan to use such a resource for a gamm-ray laser poses problems of a broad interdisciplinary nature requiring the fusion of concepts taken from relatively unrelated ... |
|
| Aqueous Solution Properties of Ampholytic Ionomers |
89 |
10 pages |
| Authors:
Arthur C. Watterson; LOWELL UNIV MA
|
| This investigation was concerned with the preparation of several types of ampholytic polymers and ionomers for studies in drag reduction, hydrophobic interactions and nuclear magnetic resonance phenomena. The polyampholytes studied have included polymers and polyacrylamide ionomers of 3- methacrylamidotrimethylammonium 2- acrylamido-2-methyklpropane sulfonate (MPTMA/ AMPS) and 2-methacryloyloxyethyl-N,N-dimethyl-N-dodecylammonium 2- methacryloyloxyethanesulfonate(MEDMA/MES). Hydrophobic interactions were incorporated by addition of small amounts n-Butyl Acrylate to the acrylamide ionomers. In general, the acrylamide ionomers showed good ... |
|
| Evaluation of Data Errors Introduced by Noise, Sampling Rates and Composite Waveforms |
NOV 88 |
58 pages |
| Authors:
Dean I. Lawry; Clayborne D. Taylor; AIR FORCE WEAPONS LAB KIRTLAND AFB NM
|
| The limitations of automatic data processing of transient signals are studied. Errors resulting from noise, sampling, and forming composite records are evaluated by considering analytical waveforms. The applications of digital filtering and trend removal are also considered. Various norms of time-domain signals are computed with the resulting errors identified for certain waveforms generic to nuclear electromagnetic pulse (NEMP) test data. Keywords: EMP, Test, Data processing, Errors, Noise, Sampling rates, Data ... |
|
| Visible and Ultraviolet Lasers Based on Excimer Transitions in the Homonuclear Halogens. |
08 JUL 1986 |
|
| Authors:
James G. Eden; Kevin P. Killeen; DEPARTMENT OF THE NAVY WASHINGTON DC
|
| The present invention provides visible and ultraviolet lasers based on excimer transitions in the diatomic homonuclear halogen molecules. Electron beam pumping of argon and hydrogen iodide gas mixtures produces a strong green emission in diatomic ioding centered at 505 mnm and a full width at half maximum (FWHM) of the gain spectrum of approximately 15 nm. The transition for the green I2 band is bound-to-free, so a laser on this ... |
|
| An Experimental and Theoretical Study of Nuclear-EMP (Electromagnetic Pulse)-Type Lightning Simulatoes with Combined Peaking Capacitor and Crowbar |
MAR 86 |
|
| Authors:
John D. Robb; Rodney A. Perala; LIGHTNING AND TRANSIENTS RESEARCH INST ST PAUL MN
|
| Experimental and theoretical studies have been carried out to determine the feasibility of combining nuclear electromagnetic-pulse-type lightning simulators which use peaking capacitors with crowbar switches to provide both a double exponential lightning test pulse with a long unipolar tail and a very fast risetime. The purpose of the simulator is to provide a relatively economical and simple lightning simulator for the indirect effects testing of full sized advanced composite aerospace ... |
|
| Equation of State and Two-Body Correlations for Fluids of Non-Spherical Molecules |
JAN 85 |
|
| Authors:
E. M. Waisman; S-CUBED LA JOLLA CA
|
| This report is concerned with the progress made in obtaining the equation of state for fluid mixtures of non-spherical molecules beyond which is already in the previous annual report, SSS-R-84-6456, December 1983. Mixing rules and the medianization procedure were used for a CO2-C2H6 and other mixtures and found to give a very concise simple theory which is in good agreement with molecular dynamics. New mixing rules for spherical non-conformal potentials ... |
|
| International Aerospace and Ground Conference on Lightning and Static Electricity: Technical Papers Held in Orlando, Florida on 26-28 June 1984. Supplement |
DEC 84 |
69 pages |
| Authors:
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION HAMPTON VA LANGLEY RESEARCH CENTER
|
| Contents: Upset Susceptibility Study employing Circuit Analysis and Digital Simulation; Data and Results of a Laboratory Investigation of Microprocessor Upset caused by Simulated Lightning Induced Analog Transients; Lightning Research - A User's Lament; AC Power Line Protection for an IEEE 587 Class B Environment; Corrosion Properties of Second Generation Conductive Materials; A Comparison of Lightning and Nuclear Electromagnetic Pulse Response of a Helicopter; and A Compar |
|
| Study of a Nuclear Gamma-Ray Laser |
03 JUN 1983 |
|
| Authors:
Richard L. Liboff; Daniel M. Heffernan; Barukh Yaakobi; CORNELL UNIV ITHACA NY
|
| In this analysis we describe briefly a possible approach to the realization of a gamma-ray laser ('graser') 1,2. The proposed scheme has its basis in certain long-lived excited states among the heavier nuclei. Decay of such states, for the most part, gives rise to high-order multipole radiation. These excited states are populated through either beta-decay or electron capture. The device presumes that a collection of such long-lived excited states is ... |
|
| Worldwide Report, Nuclear Development and Proliferation, No. 173 |
03 JAN 1983 |
|
| Authors:
JOINT PUBLICATIONS RESEARCH SERVICE ARLINGTON VA
|
| JPRS publications contain information primarily from foreign newspapers, periodicals and books, but also from news agency transmissions and broadcasts. Materials from foreign-language sources are translated; those from English-language sources are transcribed or reprinted, with the original phrasing and other characteristics retained. Headlines. editorial reports. and material enclosed in brackets. This serial report contains worldwide press and radio coverage of nuclear research programs; technical indicators of nuclear capabilities; production capability; construction ... |
|
| Tactical Missile Design Concepts. |
1983 |
|
| Authors:
F. S. Billig; JOHNS HOPKINS UNIV LAUREL MD APPLIED PHYSICS LAB
|
| This article addresses the problem of selecting proper propulsion cycle design for various mission requirements. Rocket, ramjet and turbojet propulsion systems are described and selection criteria are outlined. The article indicates that engine specific impulse, thrust-to-weight ratio and propellant mass fraction are essential aspects to consider in the selection of a design process. Design variables such as optimal staging, motor pulsing and thrust modulation are also considered. |
|
| Radiation and Laser Potential of Homo and Heteronuclear Rare-Gas Diatomic Molecules |
DEC 1982 |
|
| Authors:
William Walker; Yoshio Tanaka; CALIFORNIA UNIV SANTA BARBARA QUANTUM INST
|
| High resolution emission spectra of the rare-gas dimers Ne2, Ar2, and Kr2 were studied in the vacuum ultraviolet region 500 - 1500 Angstroms. Four band systems previously observed in all three dimers were studied in detail and classified in terms of the transition involved. Molecular constants and details of the dimer potential curves were determined. |
|
| Synthesis of New Inorganic and Organometallic Materials |
23 APR 1981 |
|
| Authors:
F. Gordon A. Stone; BRISTOL UNIV (ENGLAND) DEPT OF INORGANIC CHEMISTRY
|
| This report describes several research projects in organometallic chemistry. New methods are reported for preparing heteronuclear metal cluster complexes with osmium-platinum, -nickel, -rhodium, and -iron bonds. Reactions between platinum compounds and nido-carbaboranes yield new cage carbaplatina- boranes. The activation of acetylenes by nickel, molybdenum and platinum has been shown to give many novel organometal structures, and the results emphasize the role of dimetal complexes in reactivity patterns. New fluorocarbon complexes ... |
|
| Structural Analysis of Natural Textures. |
APR 1981 |
|
| Authors:
F. Vilnrotter; R. Nevatia; K. E. Price; UNIVERSITY OF SOUTHERN CALIFORNIA LOS ANGELES IMAGE PROCESSING INST
|
| A technique to analyze patterns in terms of individual texture primitives and their spatial relationships is described. The technique is applied to natural textures. The descriptions consist of the primitive sizes and their repetition pattern if any. The derived descriptions can be used for recognition or reconstruction of the pattern. (Author) |
|
| Radiation and Laser Potential of Homo- and Hetero-Nuclear Rare-Gas Diatomic Molecules. |
01 DEC 1977 |
|
| Authors:
William C. Walker; Yoshio Tanaka; CALIFORNIA UNIV SANTA BARBARA QUANTUM INST
|
| Emission spectra from the vacuum ultraviolet to the visible region have been obtained from the rare gas dimers of helium, neon, argon and krypton and from the xenon oxide excimer. Several new discrete and diffuse bands together with both structured and unstructured continua have been observed and some have been tentatively identified with specific electronic states of the molecule. Several of these spectra appear only under specific excitation conditions and ... |
|
| ONR Contract. |
15 NOV 1974 |
|
| Authors:
Walter H. Johnson; MINNESOTA UNIV MINNEAPOLIS SCHOOL OF PHYSICS AND ASTRONOMY
|
| The report summarizes work done in Nuclear Physics at the School of Physics and Astronomy during the period March 1, 1970 to November 15, 1974. The work involved the employment of mass spectroscopic techniques to the measurement of various atomic and nuclear properties. A brief description of the program is made. A list of publications is given for work partially or totally supported under this contract. Also a list of ... |
|
| Theoretical Nuclear Astrophysics. |
29 SEP 1970 |
|
| Authors:
Donald D. Clayton; RICE UNIV HOUSTON TEX DEPT OF SPACE SCIENCE
|
| The great preponderance of this research has been directed toward the many ramifications of a single problem -- to evaluate the nuclear data for and against the proposition that the chemical elements have been created by nuclear reactions in stars. Results are discussed. |
|
| Annotated Accession List of Data Compilations of the Office of Standard Reference Data. |
SEP 1970 |
|
| Authors:
Herman M. Weisman; Gertrude B. Sherwood; NATIONAL STANDARD REFERENCE DATA SYSTEM
|
| The National Bureau of Standards, Office of Standard Reference Data has attempted to acquire all significant reference data compilations on a worldwide basis. This publication lists the collection of documents so acquired, together with their abstracts. The documents are organized in the following categories: General Collections, Nuclear Properties (including Fundamental Particles Properties), Atomic and Molecular Properties, Solid State Properties, Chemical Kinetics, Colloid and Surface Properties, Mechanical Properties, and Thermodynamic and ... |
|
| EXPERIMENTS ON GENERAL RELATIVITY AT LIQUID HELIUM TEMPERATURES AND IN ZERO MAGNETIC FIELDS. |
JUL 1970 |
|
| Authors:
William M. Fairbank; William O. Hamilton; STANFORD UNIV CALIF
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| Research has been performed on a free precession nuclear gyroscope. A description of the proposed gyroscope is given. The technical progress toward such a device is discussed. (Author) |
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| THE INFLUENCE OF RADIATION ON METALLIC MATERIALS, |
05 MAY 1969 |
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| Authors:
L. N. Bystrov; L. I. Ivanov; FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO; FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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| The mechanism of influence of high-energy radiation on mechanical properties of metallic materials is analyzed in view of using the radiative treatment for prescribed variation of properties of metals and alloys. Three possible mechanisms of interaction are discussed: (1) direct interaction of radiational defects with dislocations; (2) radiational stimulation of chemical processes in crystals (dissociation of supersaturated solid solutions, alloy ordering, etc.); (3) nuclear alloying. It is ... |
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| INSTRUMENTATION FOR SOIL MOTION STUDIES. |
APR 1968 |
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| Authors:
Herbert M. Fernandez; Robert B. Bunker; AIR FORCE SPECIAL WEAPONS CENTER KIRTLAND AFB N MEX
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| The present instrumentation being used by AFSWC in High Explosive Simulation Technique (HEST) tests is presented in this report. Outlines of some of the current developments in soil motion transducers are also included. This instrumentation is used to gather the data needed to analyze soil motion characteristics from an air-induced shock generated by a simulated nuclear blast. The physical quantities measured by this instrumentation include pressure, acceleration, velocity, displacement, soil ... |
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Reports by Keyword(s)
NUCLEAR PROPERTIES
