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1998

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Articles 1 - 30 of 2182

Full-Text Articles in Physical Sciences and Mathematics

Absorption Efficiencies And Biochemical Fractionation Of Assimilated Compounds In The Cold Water Appendicularian Oikopleura Vanhoeffeni, Alexander B. Bochdansky, Don Deibel, Richard B. Rivkin Dec 1998

Absorption Efficiencies And Biochemical Fractionation Of Assimilated Compounds In The Cold Water Appendicularian Oikopleura Vanhoeffeni, Alexander B. Bochdansky, Don Deibel, Richard B. Rivkin

OEAS Faculty Publications

Using Ge-68:C-14 dual-labeling, we investigated the absorption efficiency of diatom carbon for the cold water appendicularian Oikopleura vanhoeffeni. The absorption efficiency of bulk carbon (mean = 67%) was not influenced by body size or ingestion rate. For the first time for a pelagic tunicate, food and feces were fractionated into their major biochemical constituents (i.e., low-molecular-weight compounds, lipid, protein, and polysaccharide), allowing calculation of absorption efficiencies for each fraction. Low-molecular-weight compounds and proteins were preferentially absorbed over lipids and polysaccharides. However, predicted C:N ratios of the fecal pellets of O. vanhoeffeni were in the lower range of C ...


Analiza Źródeł Emisji Związków Fluoru Z Procesów Hutnictwa Żelaza, Marian Mazur, Robert Oleniacz, Marek Bogacki Dec 1998

Analiza Źródeł Emisji Związków Fluoru Z Procesów Hutnictwa Żelaza, Marian Mazur, Robert Oleniacz, Marek Bogacki

Robert Oleniacz

The paper presents the results of many years of complex research issues related to the emission of fluorine compounds of iron and steel processes. They allowed to examine these processes used in raw materials in terms of the fluorine content and their impact on the amount of emissions of fluorine compounds to the air. Were determined by measuring the levels of concentration in flue gases and stack emissions of fluorine in the form of gaseous and solid compounds, including water-soluble components (considered to be toxic).

English title: Analysis of emission sources of fluorine compounds from the processes of ferrous metallurgy.


Związki Siarki Emitowane Z Procesu Wielkopiecowego, Marian Mazur, Marek Bogacki, Robert Oleniacz Dec 1998

Związki Siarki Emitowane Z Procesu Wielkopiecowego, Marian Mazur, Marek Bogacki, Robert Oleniacz

Robert Oleniacz

The article describes the problem of the presence of sulfur in the blast furnace process and identifies emission sources of sulfur compounds in this process. On the basis of the measurements and calculations, the types and quantities of these compounds emitted to the air were determined. It was found that pig iron smelting in a blast furnace causes emissions of COS, SO2 and H2S. These emissions occur by losses of blast furnace gas (COS and SO2), transport of blast furnace slag inside the furnace hall (SO2) and treatment of the slag by granulation (H2S). However, the most important are only ...


Spalanie Odpadów W Procesie Skojarzonym Z Produkcją Klinkieru Cementowego - Problem Emisji Zanieczyszczeń, Robert Oleniacz Dec 1998

Spalanie Odpadów W Procesie Skojarzonym Z Produkcją Klinkieru Cementowego - Problem Emisji Zanieczyszczeń, Robert Oleniacz

Robert Oleniacz

The paper presents a review of emissions of main gaseous pollutants (including acidic constituents), some organic compounds (including dioxins and furans), particulates and heavy metals from cement kilns burning waste fuels.

A widely employed method to reduce the cost of cement production is the substitution of traditional fuels used in cement kilns with alternative and waste-derived fuels. Cement industry offers the most acceptable method of waste (especially hazardous waste) thermal treatment and disposal at much lower cost than commercial incinerators. Characteristic for cement kilns high temperatures and long residence time of exhaust gas ensure almost complete destruction of organic compounds ...


Search For Higgs Bosons Produced In Association With A Vector Boson In Pp̅ Collisions At √S = 1.8 Tev, F. Abe, Kenneth A. Bloom, Collider Detector At Fermilab Collaboration Dec 1998

Search For Higgs Bosons Produced In Association With A Vector Boson In Pp̅ Collisions At √S = 1.8 Tev, F. Abe, Kenneth A. Bloom, Collider Detector At Fermilab Collaboration

Kenneth Bloom Publications

We search for Higgs bosons produced in association with a massive vector boson in 91 ± 7 pb-1 of pp̅ collisions at √s =1.8 TeV recorded by the Collider Detector at Fermilab. We assume the Higgs scalar H0 decays to a bb̅ pair with branching ratio β, and we consider the hadronic decays of the vector boson V (W or Z). Observations are consistent with background expectations. We place 95% confidence level upper limits on σ (pp̅H0V) β as a function of the scalar mass (MH0) over the range 70 < MH0 ...


Search For The Decays BS0,BD0 → E±Μ± And Pati-Salam Leptoquarks, F. Abe, Kenneth A. Bloom, Collider Detector At Fermilab Collaboration Dec 1998

Search For The Decays BS0,BD0 → E±Μ± And Pati-Salam Leptoquarks, F. Abe, Kenneth A. Bloom, Collider Detector At Fermilab Collaboration

Kenneth Bloom Publications

We have searched for the decays Bs0→ e±μ± and Bd0 → e±μ± using a 102 pb-1 data sample of pp̅ collisions at √s =1.8 TeV collected with the Collider Detector at Fermilab. We set upper limits on the branching fractions of Ɓ(Bs0 → e±μ±) < 6.1(8.2) X 10-6 and Ɓ(Bd0 → e±μ±) < 3.5(4.5) X 10-6 at 90(95)% confidence level. Using these limits, we set lower bounds on the corresponding Pati-Salam leptoquark masses and find that MLQ(Bs0) > 20.7(19.3) TeV/c2 and MLQ(B ...


Density Of Zeros On The Lee-Yang Circle Obtained From Magnetization Data Of A Two-Dimensional Ising Ferromagnet, Christian Binek Dec 1998

Density Of Zeros On The Lee-Yang Circle Obtained From Magnetization Data Of A Two-Dimensional Ising Ferromagnet, Christian Binek

Christian Binek Publications

In order to provide experimental access to the statistical theory of Lee and Yang [Phys. Rev. 87, 410 (1952)] the density function g(θ) of zeros on the Lee-Yang circle has been determined for the first time by analyzing isothermal magnetization data m(H) of the Ising ferromagnet FeCl2 in axial magnetic fields H at temperatures 34≤T≤99 K. The validity of our approach is demonstrated by the perfect agreement of magnetic specific heat data as calculated from g(θ) and m(H) via Maxwell's relation. Moreover, the correct in-plane exchange constant of FeCl2 emerges from ...


An Ab Initio Study Of The Mono- And Difluorides Of Krypton, Gerald J. Hoffman, Laura A. Swafford '97, Robert J. Cave Dec 1998

An Ab Initio Study Of The Mono- And Difluorides Of Krypton, Gerald J. Hoffman, Laura A. Swafford '97, Robert J. Cave

All HMC Faculty Publications and Research

Results from ab initio calculations at the CCSD(T) level of theory are presented for krypton monofluoride (KrF), krypton monofluoride cation (KrF+), linear, ground-state krypton difluoride (KrF2), the triplet state of krypton difluoride, and the krypton–fluorine van der Waals complex (Kr–F2). These are the first calculations demonstrating that KrF is a bound molecule, in agreement with experimental observation. When corrected for basis-set superposition error, the calculated potential displays quantitative agreement with the attractive wall of the experimentally measured potential curve. Results are also presented for KrF+ and linear KrF2 which yield accurate values for their dissociation energies. The ...


Gravitational Waves From Collapsing Vacuum Domains, Marcelo Gleiser, Ronald Roberts Dec 1998

Gravitational Waves From Collapsing Vacuum Domains, Marcelo Gleiser, Ronald Roberts

Open Dartmouth: Peer-reviewed articles by Dartmouth faculty

The breaking of an approximate discrete symmetry, the final stages of a first order phase transition, or a postinflationary biased probability distribution for scalar fields are possible cosmological scenarios characterized by the presence of unstable domain wall networks. Combining analytical and numerical techniques, we show that the nonspherical collapse of these domains can be a powerful source of gravitational waves. We compute their contribution to the stochastic background of gravitational radiation and explore their observability by present and future gravitational wave detectors.


Fundamental And Magnetic-Hardening Studies Of Nanocrystalline And Naaocomposite Magnets, David J. Sellmyer, George C. Hadjipanayis Dec 1998

Fundamental And Magnetic-Hardening Studies Of Nanocrystalline And Naaocomposite Magnets, David J. Sellmyer, George C. Hadjipanayis

David Sellmyer Publications

In this project we study new nanocrystalline and nanocomposite structures that have high potential for permanent-magnet development. These materials, which can be synthesized to have either very high or intermediate coercivities, have many applications in electric power, transportation, and information-storage industries. There is great interest in further development of understanding and application of these materials. Following are brief discussions of recent research highlights for the present grant.


On Archiving And Retrieval Of Sequential Images From Tomographic Databases In Pacs, Chi-Ren Shyu, T. Tony Cai, Lynn S. Broderick Dec 1998

On Archiving And Retrieval Of Sequential Images From Tomographic Databases In Pacs, Chi-Ren Shyu, T. Tony Cai, Lynn S. Broderick

Statistics Papers

In the picture archiving and communication systems (PACS) used in modern hospitals, the current practice is to retrieve images based on keyword search, which returns a complete set of images from the same scan. Both diagnostically useful and negligible images in the image databases are retrieved and browsed by the physicians. In addition to the text-based search query method, queries based on image contents and image examples have been developed and integrated into existing PACS systems. Most of the content-based image retrieval (CBIR) systems for medical image databases are designed to retrieve images individually. However, in a database of tomographic ...


Experimental Observation Of Relativistic Nonlinear Thomson Scattering, Szu-Yuan Chen, Anatoly Maksimchuk, Donald Umstadter Dec 1998

Experimental Observation Of Relativistic Nonlinear Thomson Scattering, Szu-Yuan Chen, Anatoly Maksimchuk, Donald Umstadter

Donald Umstadter Publications

Classical Thomson scattering—the scattering of low-intensity light by electrons—is a linear process, in that it does not change the frequency of the radiation; moreover, the magnetic-field component of light is not involved. But if the light intensity is extremely high (~1018 Wcm–2), the electrons oscillate during the scattering process with velocities approaching the speed of light. In this relativistic regime, the effect of the magnetic and electric fields on the electron motion should become comparable, and the effective electron mass will increase. Consequently, electrons in such high fields are predicted to quiver nonlinearly, moving in figure-eight ...


Relativistic Nonlinear Optics, Phillip F. Schewe, Ben Stein, Donald P. Umstadter Dec 1998

Relativistic Nonlinear Optics, Phillip F. Schewe, Ben Stein, Donald P. Umstadter

Donald Umstadter Publications

Laser light is a convenient way of transporting both electric and magnetic fields. When an electron encounters light, however, it is usually the electric field that does the talking; the magnetic part of light is less influential since its effect on the electron is proportional to the electron's speed as a fraction of the speed of light (c). In new experiments at the University of Michigan this is all changed since the intensity of the laser light used is so great (a terawatt of power, compared to a milliwatt for a laser in a CD player) that the electrons ...


Aqueous Solvation Dynamics Studied By Photon Echo Spectroscopy, M. J. Lang, J. Jordanides, Xueyu Song, G. R. Fleming Dec 1998

Aqueous Solvation Dynamics Studied By Photon Echo Spectroscopy, M. J. Lang, J. Jordanides, Xueyu Song, G. R. Fleming

Chemistry Publications

Three-pulse photon echo peak shift measurements were employed to study aqueous solvation dynamics. A new perspective of dielectric continuum theory [X. Song and D. Chandler, J. Chem. Phys. 108, 2594 (1998)] aided in characterizing the system-bath interactions of eosin in water. Application of this theory provides solvation energies, which were used within the spectral density representation ρ(ω), to calculate the experimental peak shift. Simulations with only solvation contributions to ρ(ω), where a substantial amplitude of the solvation occurs within ∼30 fs, are remarkably consistent with our data. Furthermore, simulations using this theoretical solvation spectral density and an experimentally ...


On The Basic Representation Theorem For Convex Domination Of Measures, J. Elton, Theodore P. Hill Dec 1998

On The Basic Representation Theorem For Convex Domination Of Measures, J. Elton, Theodore P. Hill

Research Scholars in Residence

A direct, constructive proof is given for the basic representation theorem for convex domination of measures. The proof is given in the finitistic case (purely atomic measures with a finite number of atoms), and a simple argument is then given to extend this result to the general case, including both probability measures and finite Borel measures on infinite-dimensional spaces. The infinite-dimensional case follows quickly from the finite-dimensional case with the use of the approximation property.


Events With A Rapidity Gap Between Jets In P̅P Collisions At √S = 630 Gev, F. Abe, Kenneth A. Bloom, Collider Detector At Fermilab Collaboration Dec 1998

Events With A Rapidity Gap Between Jets In P̅P Collisions At √S = 630 Gev, F. Abe, Kenneth A. Bloom, Collider Detector At Fermilab Collaboration

Kenneth Bloom Publications

We report a measurement of the fraction of dijet events with a rapidity gap between jets produced by color-singlet exchange in p̅p collisions at √s =630 GeV at the Fermilab Tevatron. In events with two jets of transverse energy ETjet > 8 GeV, pseudorapidity in the range 1.8 <|ηjet | < 3.5 and η1 η2 < 0, the color-singlet exchange fraction is found to be R=[2.7 ± 0.7(stat) ± 0.6(syst)]%. Comparisons are made with results obtained at √s =1800 GeV and with theoretical expectations.


Tertiary Remagnetization Of Paleozoic Rocks From The Eastern Cordillera And Sub-Andean Belt Of Bolivia, J. C. Libarkin, Robert F. Butler, D. R. Richards, T. Sempere Dec 1998

Tertiary Remagnetization Of Paleozoic Rocks From The Eastern Cordillera And Sub-Andean Belt Of Bolivia, J. C. Libarkin, Robert F. Butler, D. R. Richards, T. Sempere

Environmental Studies Faculty Publications and Presentations

Paleomagnetic samples were collected from 98 sedimentary horizons in eight different Devonian to Permian sedimentary units at eight localities in the Eastern Cordillera and the sub-Andean Belt of Bolivia. For 77 sites, thermal demagnetization allowed determination of a characteristic magnetization (ChRM) with site-mean 95% confidence limit, α95, ≤15°. The ChRM is carried predominantly or entirely by hematite. Fold and reversal tests from two of the sampled localities indicate that the characteristic magnetization is synfolding, likely acquired during the earliest stages of deformation. Additionally, a modified conglomerate test at one locality and the nearly uniform direction of ChRM across the ...


Steps Toward Determination Of The Size And Structure Of The Broad-Line Region In Active Galactic Nuclei. Xiii. Ultraviolet Observations Of The Broad-Line Radio Galaxy 3c 390.3, Paul T. O'Brien, M. Dietrich, K. Leighly, D. Alloin, J. Clavel, D. Michael Crenshaw, K. Horne, G. A. Criss, Julian Henry Krolik, Matthew A. Malkan, Hagai Netzer, Bradley M. Peterson, G. A. Reichert, P. M. Rodriguez-Pascual, W. Wamsteker, K. S.J. Anderson, N. G. Bochkarev, F.-Z. Cheng, A. V. Filippenko, C. Martin Gaskell, I. M. George, M. R. Goad, L. C. Ho, Shai Kaspi, W. Kollatschny, Kirk T. Korista, G. Macalpine, D. Marlow, P. G. Martin, S. L. Morris, Richard William Pogge, B. C. Qian, M. C. Recondo-Gonzalez, J. M. Rodriguez Espinosa, M. Santos-Lleo, A. I. Shapovalova, J. M. Shull, G. M. Stirpe, W.-H. Sun, T. J. Turner, R. Vio, S. Wagner, I. Wanders, K. A. Wills, H. Wu, S. J. Xue, Z.-L. Zou Dec 1998

Steps Toward Determination Of The Size And Structure Of The Broad-Line Region In Active Galactic Nuclei. Xiii. Ultraviolet Observations Of The Broad-Line Radio Galaxy 3c 390.3, Paul T. O'Brien, M. Dietrich, K. Leighly, D. Alloin, J. Clavel, D. Michael Crenshaw, K. Horne, G. A. Criss, Julian Henry Krolik, Matthew A. Malkan, Hagai Netzer, Bradley M. Peterson, G. A. Reichert, P. M. Rodriguez-Pascual, W. Wamsteker, K. S.J. Anderson, N. G. Bochkarev, F.-Z. Cheng, A. V. Filippenko, C. Martin Gaskell, I. M. George, M. R. Goad, L. C. Ho, Shai Kaspi, W. Kollatschny, Kirk T. Korista, G. Macalpine, D. Marlow, P. G. Martin, S. L. Morris, Richard William Pogge, B. C. Qian, M. C. Recondo-Gonzalez, J. M. Rodriguez Espinosa, M. Santos-Lleo, A. I. Shapovalova, J. M. Shull, G. M. Stirpe, W.-H. Sun, T. J. Turner, R. Vio, S. Wagner, I. Wanders, K. A. Wills, H. Wu, S. J. Xue, Z.-L. Zou

Martin Gaskell Publications

As part of an extensive multi-wavelength monitoring campaign, the International Ultraviolet Explorer satellite was used to observe the broad-line radio galaxy 3C 390.3 during the period 1994 December 31-1996 March 5. Spectra were obtained every 6È10 days. The UV continuum varied by a factor of 7 through the campaign, while the broad emission lines varied by factors of 2È5. Unlike previously monitored Seyfert 1 galaxies, in which the X-ray continuum generally varies with a larger amplitude than the UV, in 3C 390.3 the UV continuum light curve is similar in both amplitude and shape to the X-ray light ...


Distribution Of Isolated Volcanoes On The Flanks Of The East Pacific Rise, 15.3°-20°S, Scott M. White, Ken C. Macdonald, Daniel S. Scheirer, Marie-Helene Cormier Dec 1998

Distribution Of Isolated Volcanoes On The Flanks Of The East Pacific Rise, 15.3°-20°S, Scott M. White, Ken C. Macdonald, Daniel S. Scheirer, Marie-Helene Cormier

Faculty Publications

Volcanic constructions, not associated with seamount (or volcano) chains, are abundant on the flanks of the East Pacific Rise (EPR) but are rare along the axial high. The distribution of isolated volcanoes, based on multibeam bathymetric maps, is approximately symmetric about the EPR axis. This symmetry contrasts with the asymmetries in the distribution of volcano chains (more abundant on the west flank), the seafloor subsidence rates (slower on the west flank), and the distribution of plate-motion-parallel gravity lineaments (more prominento nthe west flank). Most of the isolated volcanoes complete their growth within -14 km of the axis on crust younger ...


Snowflake: Spanning Administrative Domains, Jon Howell, David Kotz Dec 1998

Snowflake: Spanning Administrative Domains, Jon Howell, David Kotz

Open Dartmouth: Peer-reviewed articles by Dartmouth faculty

Many distributed systems provide a “single-system image” to their users, so the user has the illusion that they are using a single system when in fact they are using many distributed resources. It is a powerful abstraction that helps users to manage the complexity of using distributed resources. The goal of the Snowflake project is to discover how single-system images can be made to span administrative domains. Our current prototype organizes resources in namespaces and distributes them using Java Remote Method Invocation. Challenging issues include how much flexibility should be built into the namespace interface, and how transparent the network ...


Static-Electric-Field-Induced, High-Energy Plateau For Scattered X-Ray Photons In Laser-Assisted, X-Ray–Atom Scattering, Dejan B. Miloševic, Anthony F. Starace Dec 1998

Static-Electric-Field-Induced, High-Energy Plateau For Scattered X-Ray Photons In Laser-Assisted, X-Ray–Atom Scattering, Dejan B. Miloševic, Anthony F. Starace

Anthony F. Starace Publications

We consider scattering of x rays by H atoms in the presence of both a linearly polarized laser field and a static electric field. Results for the differential cross section as a function of the number of photons n exchanged with the laser field are presented. For x-ray–atom scattering in the presence of a 1014 W/cm2 laser field the differential cross section has a plateau only for emitted photons (n<0). Adding a static electric field gives rise to an extended plateau for absorbed photons (n>0), indicating a substantial increase of the scattered x-ray energies. We present a quasiclassical explanation of these results.


Magnetic Microstructure Of Magnetotactic Bacteria By Electron Holography, Rafal E. Dunin-Borkowski, Martha R. Mccartney, Richard B. Frankel, Dennis A. Bazylinski, Mihály Pósfai, Peter R. Buseck Dec 1998

Magnetic Microstructure Of Magnetotactic Bacteria By Electron Holography, Rafal E. Dunin-Borkowski, Martha R. Mccartney, Richard B. Frankel, Dennis A. Bazylinski, Mihály Pósfai, Peter R. Buseck

Physics

Off-axis electron holography in the transmission electron microscope was used to correlate the physical and magnetic microstructure of magnetite nanocrystals in magnetotactic bacteria. The magnetite crystals were all single magnetic domains, and the magnetization directions of small superparamagnetic crystals were constrained by magnetic interactions with larger crystals in the chains. Shape anisotropy was found to dominate magnetocrystalline anisotropy in elongated crystals. A coercive field between 300 and 450 oersted was determined for one chain.


Year In Review - 1998, Annis Water Resources Institute Dec 1998

Year In Review - 1998, Annis Water Resources Institute

AWRI Reviews

No abstract provided.


22. Yu Tongyin, Otto Vogl, Shukuan Fu Dec 1998

22. Yu Tongyin, Otto Vogl, Shukuan Fu

Emeritus Faculty Author Gallery

No abstract provided.


International Symposium On Ionic Polymerization Ip'97, Otto Vogl, Przemyslaw Kubisa Dec 1998

International Symposium On Ionic Polymerization Ip'97, Otto Vogl, Przemyslaw Kubisa

Emeritus Faculty Author Gallery

No abstract provided.


Nuclear Magnetic Resonance Evidence Of Disorder And Motion In Yttrium Trideuteride, John L. Balbach, Mark S. Conradi, Markus M. Hoffmann, Terrence J. Udovic, Natalie L. Adolphi Dec 1998

Nuclear Magnetic Resonance Evidence Of Disorder And Motion In Yttrium Trideuteride, John L. Balbach, Mark S. Conradi, Markus M. Hoffmann, Terrence J. Udovic, Natalie L. Adolphi

Chemistry Faculty Publications

Three samples of YDx, with x ranging from 2.9 to nearly 3.0, were studied with deuterium nuclear magnetic resonance to gain insight into the locations of the D atoms in the lattice and their motions. Line shapes at low temperatures (200–330 K) show substantial disorder at some of the deuterium sites. Near 355 K, the spectrum sharpens to yield three uniaxial Pake patterns, reflecting a motional averaging process. However, the three measured intensities do not match the ratios expected from the neutron-determined, HoD3-like structure. This is strong evidence that the structure and space group of YD3 are ...


Theoretical Studies Of Oscillator Strengths And Electron Impact Excitation Cross Sections Of Singly Ionized Oxygen, Letetia M. Richardson Dec 1998

Theoretical Studies Of Oscillator Strengths And Electron Impact Excitation Cross Sections Of Singly Ionized Oxygen, Letetia M. Richardson

ETD Collection for AUC Robert W. Woodruff Library

We considered the lowest twenty-eight LS states of singly ionized oxygen in our calculations of excitation energies, oscillator strengths, transition probabilities, radiative life-times, and electron collisional excitation cross sections. Transition probabilities and oscillator strengths were calculated by the use of a configuration-interaction method and the electron impact excitation collision strengths were calculated in the close-coupling approximation using the R-matrix method. The LS states of singly ionized oxygen are represented by extensive configuration-interaction wave functions that give excitation energies in close agreement with the experimental values. Rydberg series of resonances converging to the excited state thresholds are explicitly included and are ...


The Probe, Issue 195 – December 1998 Dec 1998

The Probe, Issue 195 – December 1998

The Probe: Newsletter of the National Animal Damage Control Association

Rabies -- Mike Dwyer, NADCA Director, Great Lakes Region
Position Available: Wildlife Biologist, JFK Airport
NWCO Organization Forms in Calif.
Update on Idaho Wolf Damage
Wildlife Wins in UT, OH, MN, Loses in CA
Schmidt to be Appointed NADCA President
Rabies in Bats: The following article was authored by Kate Lewandowski and is reprinted with permission from "SCWDS Briefs," the quarterly newsletter of the Southeastern Cooperative Wildlife Disease Study, The University of Georgia, Athens, GA.

Bird-Strike Committee -USA Abstracts

CANADA GEESE AND SNOW GEESE – REASSESSING TRADITIONAL PARADIGMS FOR MANAGEMENT -- Robert Blohm, U.S. Fish & Wildlife Service, Migratory Bird Management Office, Arlington, VA
HAMILTON HARBOUR RING-BILLED GULL CONTROL PROJECT, 1997-1998 -- Ulrich Watermann, Bird Control International Inc., Georgetown, Ontario, Canada
DEMONSTRATING THE EFFECTIVENESS OF TRAINED FALCONS AS PART Of THE BASH PROGRAM AT SCOTT AIR FORCE BASE, ILLINOIS AND TRAVIS AIR FORCE BASE, CALIFORNIA -- Michael R. Cooke, World Bird Sanctuary, St. Louis, MO
USE OF FALCONRY AS PRIMARY BIRD HARASSMENT TOOL AT TRAVIS AIR FORCE BASE, CALIFORNIA -- Dennis Palmer, Travis AFB, CA, Steve Wicklund, Wing Flying Safety Office, Travis AFB, CA
TESTING OF THE AUDIBLE MICROWAVE BIRD STRIKE REDUCTION SYSTEM -- James Genova, Raven, Inc., Alexandria, VA, Raven, Incorporated (with the support of the Air Force Research
AVOIDANCE OF LOW FREQUENCY VIBRATION BY WATERFOWL -- Martin Lenhardt, Biomedical Engineering, Virginia, Commonwealth University and Sound Techniques Systems, Richmond, VA
EVALUATION OF AN INTEGRATED BIRD HAZING SYSTEM AT THE JIM BRIDGER POWER PLANT, ROCK SPRINGS, WYOMING -- Gwen R. Stevens, Colorado State University, Fort Collins, CO, Larry Clark, USDA-WS, National Wildlife Research Center, Fort Collins, CO, Richard A. Weber, Knight Piesold LLC, Elko, NV
EFFECTS OF HARASSMENT ON GULLS AT THE LEBANON SOLID WAST LANDFILL IN LEBANON, NEW HAMPSHIRE -- Cheryl Allen, and Dennis Slate, USD A, APHIS, Wildlife Services, Concord, NH
THE NATIONAL WILDLIFE STRIKE DATABASE FOR CIVIL AVIATION IN TH UNITED STATES, 1991-1997 -- Edward Cleary, Federal Aviation Administration, Washington, DC; Sandra Wright and Richard Dolbeer, U.S ...


Factors Affecting The Movements Of Rainbow Trout (Oncorhynchus Mykiss) In Lake Ogallala, Nebraska, Tadd M. Barrow Dec 1998

Factors Affecting The Movements Of Rainbow Trout (Oncorhynchus Mykiss) In Lake Ogallala, Nebraska, Tadd M. Barrow

Dissertations & Theses in Natural Resources

No abstract provided.


Water Current, Volume 30, No. 6, December 1998 Dec 1998

Water Current, Volume 30, No. 6, December 1998

Water Current Newsletter

Additional Research Shows Promise for Buffer Strips
From the Director: Testing Your Drinking Water; Drinking Water Tabloid Suggestions; USGS RFPs
Planning Nebraska's Water Future
Where Do You Get Your Water From?
Recycling Program Collects 49 Tons of Plastic
Lingle Earns Extension Wildlife Award
Laundry Disk ClaimsDon't Hold Water
Seminars Spotlight Latest in Water Research
Nation's Water Use Down, USGS Says
Water News Briefs
Agronomy Society Lauds Website
Free Wetlands Tabloid
Franti Earns Research Award
Looking for Ideas
Ben Nelson Service Award
Great Plains Research Articles
Assessing the Impact of Waste Lagoons on Groundwater