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Full-Text Articles in Entire DC Network
Ending Subsidized Degradation: The Ocean Dumping Example, Brenda Asher Dillman
Ending Subsidized Degradation: The Ocean Dumping Example, Brenda Asher Dillman
Marine Affairs Theses and Major Papers
There is no way to measure, on a global scale, the pollution dumped directly into the oceans, let alone all the tens of thousands of particulates, toxics, and gaseous substances are added each day to the atmosphere surrounding the New York Bight. The aim of this paper is to develop a user fee framework for the ocean dumping of municipal sludge. Such a proposal requires a radical departure from the standards and enforcement approach of today's legislation. The ocean dumping of municipal sludge, while accounting for only a small percentage of the total waste dumped into the Bight, has proven …
Segregation Of Copper To The Surface Of Copper-Nickel Alloys, Peter A. Dowben
Segregation Of Copper To The Surface Of Copper-Nickel Alloys, Peter A. Dowben
Peter Dowben Publications
Copper segregation profiles at the surfaces of Cu17Ni83(111) and Cu17Ni83(100) have been calculated by a semiempirical procedure based upon previously published data. These profiles indicate that surface enrichment of copper is not limited only to the topmost layer but occurs for several layers away from the surface as well. A comparison of the calculated segregation profiles based upon the experimental results for the (100) and (111) surfaces of Cu17Ni83 do not agree with predictions based upon thermodynamic models of segregation.
Blas, Linear, Algebra Modules And Supercomputers Parvec Workshop #4, John R. Rice
Blas, Linear, Algebra Modules And Supercomputers Parvec Workshop #4, John R. Rice
Department of Computer Science Technical Reports
No abstract provided.
Lattice Dynamics Of Mixed Crystals Of Tise2, Roger D. Kirby, G.A. Freund, Jr.
Lattice Dynamics Of Mixed Crystals Of Tise2, Roger D. Kirby, G.A. Freund, Jr.
Roger Kirby Publications
We present the results of Raman scattering measurements on the mixed-crystal systems TiSe2-xSx, TiSe2-xTex, ZrxTi1-x Se2. At room temperature with the pure compounds all have crystal structures represented by the D3d(P3̃m1) space group with three atoms per unit cell. There are two Raman-active k=0 phonons, one of A1gˉ symmetry and one of Eg symmetry. In the TiSe2-xTex system, the A1gˉ and Egˉ phonon frequencies shift smoothly with concentration, and the shifts are well described by a simple virtual-crystal …
A Model For Orientation Effects In Electron‐Transfer Reactions, Paul Siders, Robert J. Cave, R.A. Marcus
A Model For Orientation Effects In Electron‐Transfer Reactions, Paul Siders, Robert J. Cave, R.A. Marcus
All HMC Faculty Publications and Research
A method for solving the single‐particle Schrödinger equation with an oblate spheroidal potential of finite depth is presented. The wave functions are then used to calculate the matrix element TBA which appears in theories of nonadiabatic electron transfer. The results illustrate the effects of mutual orientation and separation of the two centers on TBA. Trends in these results are discussed in terms of geometrical and nodal structure effects. Analytical expressions related to TBA for states of spherical wells are presented and used to analyze the nodal structure effects for TBA for the spheroidal wells.
(Super)Conformal Symmetry Breaking, Andrew Strominger, V. Parameswaran Nair
(Super)Conformal Symmetry Breaking, Andrew Strominger, V. Parameswaran Nair
Publications and Research
We argue that the only consistent way to break conformal invariance in a quantum theory of gravity is spontaneously in a finite locally conformal supersymmetric theory. This generically occurs whenever scalar fields are present. Covariant surface-integral expressions for the super-charge and four-momentum in terms of asymptotically constant spinor fields are derived. These are used to discuss stability and other aspects of the theory.
Renormalization Of The Energy-Momentum Tensor And The Validity Of The Equivalence Principle At Finite Temperature, Jf Donoghue, Br Holstein, Rw Robinett
Renormalization Of The Energy-Momentum Tensor And The Validity Of The Equivalence Principle At Finite Temperature, Jf Donoghue, Br Holstein, Rw Robinett
Barry R Holstein
Using the techniques of finite-temperature field theory we renormalize the electromagnetic and gravitational couplings of an electron which is immersed in a heat bath with T
An Analysis Of The Effect Of Network Load And Topology On The Performance Of Concurrency Control Algorithm In Distributed Database Systems, Anoop Singhal, Amit P. Sheth, Ming T. Liu
An Analysis Of The Effect Of Network Load And Topology On The Performance Of Concurrency Control Algorithm In Distributed Database Systems, Anoop Singhal, Amit P. Sheth, Ming T. Liu
Kno.e.sis Publications
Earlier studies in the performance analysis of concurrency control algorithms in distributed database systems (DDBS) have assumed that the message transmission time between any two nodes of a network is constant. Hence they disregard the effect of communication subnet related parameters such as network traffic, network topology, the capacity of transmission channels and the size of messages transmitted. In this paper an analytical model is used to estimate the delays in transmission channels for a DDBS in a long haul network. The analysis shows that the constant transmission time assumption cannot be justified in many cases and that response time …
The Variability Of Holocene Climate Change: Evidence From Varved Lake Sediments, Walter E. Dean, J. Platt Bradbury, Roger Y. Anderson, Cathy Barnosky
The Variability Of Holocene Climate Change: Evidence From Varved Lake Sediments, Walter E. Dean, J. Platt Bradbury, Roger Y. Anderson, Cathy Barnosky
United States Geological Survey: Staff Publications
Varved sediments from a lake near the present forest-prairie border in northwestern Minnesota provide an annual record of climate change for the last 10,400 years. Climate-sensitive mineral, chemical, and biological components show that the mid-Holocene dry interval between 8500 and 4000 years ago is asymmetrical and actually consists of two distinct drier pulses separated by a moister interval that lasted about 600 years. Cyclic fluctuations with periods of several hundred years were abrupt and persistent throughout the Holocene and are most clearly recorded within the two drier pulses.
Livestock Guarding Dogs Protect Domestic Sheep From Coyote Predation In Kansas, William F. Andelt
Livestock Guarding Dogs Protect Domestic Sheep From Coyote Predation In Kansas, William F. Andelt
Great Plains Wildlife Damage Control Workshop Proceedings
Sheep (Ovis cries/ producers were surveyed in Kansas to determine the efficacy of livestock guarding dogs (Canis familiaris) for protecting sheep from coyote (Canis latrans) predation. The majority of producers rated their guard dogs' predator control performance as good or excellent, indicating. that the dogs reduced their reliance on other control methods and substantially reduced monetary losses.
Survey Of Routing Algorithms For Computer Networks, Lu Yu, Thomas J. Sager
Survey Of Routing Algorithms For Computer Networks, Lu Yu, Thomas J. Sager
Computer Science Technical Reports
This thesis gives a general discussion of routing for computer networks, followed by an overview of a number of typical routing algorithms used or reported in the past few years. Attention is mainly focused on distributed adaptive routing algorithms for packet switching (or message switching) networks. Algorithms for major commercial networks (or network architectures) are reviewed as well, for the convenience of comparison.
Analysis Of International Travel Statistics For 1982, Central Bank Of Nigeria Cbn
Analysis Of International Travel Statistics For 1982, Central Bank Of Nigeria Cbn
Economic and Financial Review
This paper analyses statistics on international travels for 1982 based on information derived from the Nigerian Exchange Control TM (arrival) forms. The forms are designed to enable travellers coming into the country from abroad to declare their holdings of foreign currency, precious stones, jewellery and works of art.
A Study Of The Crayfish Orconectes Immunis In An Intermittent Nebraska Stream, John J. Shadle
A Study Of The Crayfish Orconectes Immunis In An Intermittent Nebraska Stream, John J. Shadle
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
House Mouse Populations And Their Damage To Common Building Insulations, Daryl D. Fisher
House Mouse Populations And Their Damage To Common Building Insulations, Daryl D. Fisher
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Small Mammal Populations And Rodent Damage In Nebraska No-Tillage Crop Fields, Kent E. Holm
Small Mammal Populations And Rodent Damage In Nebraska No-Tillage Crop Fields, Kent E. Holm
School of Natural Resources: Dissertations, Theses, and Student Research
No abstract provided.
Artificial Intelligence: Myths And Realities, Hugo D'Alarcao
Artificial Intelligence: Myths And Realities, Hugo D'Alarcao
Bridgewater Review
Artificial intelligence the name conjures images of mechanical monsters, the Golem, Dr. Frankenstein’s creation and the rebellious computer Hal. We have always been fascinated by the possibility of creating a machine in our image, but this fascination is often accompanied by apprehension. We fear losing control of our creation and suspect that it might turn against us. It is this duality, this conflict between the desire to create and the fear of the consequences of the creation that has been so successfully exploited by writers. It is also, in part, this fascination that has recently brought the field of Artificial …
Using Urea Nitrogen As A Fertilizer, Kenneth L. Wells
Using Urea Nitrogen As A Fertilizer, Kenneth L. Wells
Soil Science News and Views
Solid granular or prilled urea (45-46% N) has become widely available in Kentucky, as has 28% nitrogen solution (UAN solution) which is half urea and half ammonium nitrate. When applied to a field, urea is transformed to ammonium N soon after application. The rate of transformation is greatly increased by urease, the enzyme found to varying degrees in soil and on plants and plant residues. Due to the chemical reactions involved as urea nitrogen undergoes transformation, there is some degree of likelihood for volatilization loss of some N. Whether such a loss will occur, and how much N will be …
The Probe, Issue 48 - December 1984
The Probe, Issue 48 - December 1984
The Probe: Newsletter of the National Animal Damage Control Association
THE PROBE
National Animal Damage Control Association No. 48 December, 1984
Why do We have Laws Requiring the Preservation of Species?
Animal Rightists
Tennessee Coyotes
Letters to Ye Ed
Northwest Section WIldlife Meeting 1984
Live Trap
Psycho Coyote
Mobilization of Animals
National Park Systems do Differ
Blackfooted Ferrets
Animal Liberation
Raccoon Problems
Animal Protection Institute
Polymer Science And Technology In Universities In Sweden, Otto Vogl, Bengt Ranby
Polymer Science And Technology In Universities In Sweden, Otto Vogl, Bengt Ranby
Otto Vogl
No abstract provided.
Second S.R. Romania-U.S.A. Seminar On Polymer Science, Otto Vogl, Viorica Dobrescu
Second S.R. Romania-U.S.A. Seminar On Polymer Science, Otto Vogl, Viorica Dobrescu
Otto Vogl
No abstract provided.
Benthic Diatom Community Dynamics In The Colorado River: Interactive Effects Of Periodic Dessication And Current Regime, Christopher Gerard Peterson
Benthic Diatom Community Dynamics In The Colorado River: Interactive Effects Of Periodic Dessication And Current Regime, Christopher Gerard Peterson
Publications (WR)
The response to periodic desiccation of periphyton communities developed in eddy environments or in areas exposed to variable, direct current was examined. Algal communities were incubated on clay tiles for between 2 and 12 weeks in the Colorado River, directly below Hoover Dam from October, 1983 - January, 1984. Mean daily discharge from the dam decreased over this period. To assess the influence of these discharge changes on community dynamics, samples collected over the first 12 weeks of the investigation were compared to samples of the same age collected over the final 8 weeks.
The small diatom taxon Achnahthes spp …
On Finite Element Methods For The Euler-Poisson-Darboux Equation, Anatoly M. Genis
On Finite Element Methods For The Euler-Poisson-Darboux Equation, Anatoly M. Genis
Mathematics and System Engineering Faculty Publications
We deal primarily with the derivation of various convergence estimates for some semidiscrete and fully discrete procedures which might be used in the approximation of exact solutions of initial-boundary value problems with homogeneous Dirichlet boundary conditions for the Euler-Poisson-Darboux equation. Although the equation is of hyperbolic type, the results are somewhat analogous to those known for parabolic equations, due to the presence of a limited 'smoothing' property. This paper contain L//2 estimates, maximum norm estimates, negative norm estimates, interior estimates of difference quotients and superconvergence estimates of the error.
Monthly Planet, 1984, December, David Kuester, Huxley College Of The Environment, Western Washington University
Monthly Planet, 1984, December, David Kuester, Huxley College Of The Environment, Western Washington University
The Planet
No abstract provided.
Observations Of Shadow Bands At The Total Solar Eclipse Of 16 February 1980, Laurence A. Marschall, Rita Mahon, Richard C. Henry
Observations Of Shadow Bands At The Total Solar Eclipse Of 16 February 1980, Laurence A. Marschall, Rita Mahon, Richard C. Henry
Physics and Astronomy Faculty Publications
Photoelectric observations of short term light variations (shadow bands) at the 16 Feb. 1980 total solar eclipse have been made using a set of spatially separated PIN diodes. Light variations in a bandpass of 1-500 Hz were detected during the half-minutes preceding and following the total phase. Fourier analysis of the noise spectrum of the variations reveals a sharp drop-off for frequencies about 50 Hz and an overall spectrum quite similar to previously reported power spectra of stellar scintillation. This is consistent with an atmospheric origin for the shadow bands. Cross-correlations between the detector outputs are low, suggesting a short …
Late Tertiary Rodents From The Catamarca Province, Argentina : The Field Museum Collections, Lee A. Schremp
Late Tertiary Rodents From The Catamarca Province, Argentina : The Field Museum Collections, Lee A. Schremp
Loma Linda University Electronic Theses, Dissertations & Projects
The rodents collected in the 1920's by the Marshall Field Expedition for the Field Museum of Natural History, Chicago, are systematically reviewed and placed within the stratigraphic framework established at the time of collection. One new genus (Proeuryzygomys) and three new species (Abracoma intermedias, Proeuryzygomys diminutiva, and Cayiodon (Lelongia) catamarcensis) are proposed. Two distinct faunas are recognized corresponding to the Huayquerian and Montehermosan Land Mammal Ages respectively. Several computer programs were developed to aid in character analysis.
Geology Of Ponca State Park, Nebraska, Roger K. Pabian, Dennis R. Lawton
Geology Of Ponca State Park, Nebraska, Roger K. Pabian, Dennis R. Lawton
Conservation and Survey Division
No abstract provided.
Increased Optical Damage Resistance In Lithium Niobate, D. A. Bryan, Robert Gerson, H. E. Tomaschke
Increased Optical Damage Resistance In Lithium Niobate, D. A. Bryan, Robert Gerson, H. E. Tomaschke
Physics Faculty Research & Creative Works
We have confirmed greatly improved resistance to photorefractive damage in compositions of lithium niobate containing 4.5 at. % MgO or more. Holographic diffraction measurements of photorefraction demonstrated that the improved performance is due to a hundredfold increase in the photoconductivity, rather than a decrease in the Glass current. The diffraction efficiency shows an Arrhenius dependence on temperature, with an activation energy of 0.1 eV for the damage-resistant compositions, compared with 0.5 eV for undoped or low-magnesium compositions. The damage-resistant compositions are distinguished by a 2.83-μm absorption line instead of the usual 2.87-μm line due to the OH-stretch vibration.
Norms For An Information Age, Willis J. Alberda
The Prairie Naturalist Volume 16, No. 4. December 1984
The Prairie Naturalist Volume 16, No. 4. December 1984
The Prairie Naturalist
Paul B. Kannowski, Editor
Nikki R. Seabloom, Assistant Editor
Douglas H. Johnson, Book Review Editor
TABLE OF CONTENTS
VEGETATION PATTERNS IN RELATION TO TOPOGRAPHY AND EDAPHIC VARIATIONS IN NEBRASKA SAND HILLS PRAIRIE ▪ P. W. Barnes, A. T. Harrison and S. P. Heinisch
GREAT BLUE HERON NESTING BIOLOGY ON THE JAMES RIVER IN SOUTH DAKOTA ▪ E. M. Dowd and L. D. Flake
OVENBIRDS AT THE PERIPHERY OF THEIR RANGE IN WESTERN NORTH DAKOTA ▪ R. B. Hopkins
BREEDING BIRD COMMUNITY COLONIZATION OF SOWN STANDS OF NATIVE GRASSES IN NORTH DAKOTA ▪ K. F. Higgins, T. W. Arnold and R. …
Yellow Giants In Young Clusters. Ii. A Comparison Of Observation With Theory, Edward G. Schmidt
Yellow Giants In Young Clusters. Ii. A Comparison Of Observation With Theory, Edward G. Schmidt
Edward Schmidt Publications
Luminosities and effective temperatures are calculated for 17 nonvariable yellow giants and supergiants and nine Cepheids which were previously identified as members of open clusters. These stars are identified as being in the helium core burning stage of evolution. A comparison with the predictions of pulsation theory does not show any disagreement. On the other hand, several comparisons with the theory of stellar evolution produce discrepancies which suggest that effects neglected in the calculations may play an important role in the evolution of these stars.