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Articles 4081 - 4110 of 4602
Full-Text Articles in Physical Sciences and Mathematics
Semiclassical Calculations Of Vibrational Energy Levels For Non-Separable Systems Using The Birkhoff-Gustavson Normal Form, Randall T. Swimm, John B. Delos
Semiclassical Calculations Of Vibrational Energy Levels For Non-Separable Systems Using The Birkhoff-Gustavson Normal Form, Randall T. Swimm, John B. Delos
Arts & Sciences Articles
We present a semiclassical method of calculating vibrational energy levels for a system of nonseparable coupled oscillators. For a Hamiltonian written as a power series in which the leading terms are given by a sum of one‐dimensional harmonic oscillator Hamiltonians, the method involves transforming the original classical Hamiltonian via a succession of canonical transformations into a normal form which is a power series originally defined by Birkhoff and later generalized by Gustavson. Two cases are distinguished. If the harmonic oscillator frequencies in the unperturbed Hamiltonian are incommensurable, then the normal form is a power series whose terms are products of …
The Abundance, Distribution, And Bionomics Of The Family Macrouridae In The Norfolk Canyon Area, Robert W. Middleton
The Abundance, Distribution, And Bionomics Of The Family Macrouridae In The Norfolk Canyon Area, Robert W. Middleton
Dissertations, Theses, and Masters Projects
No abstract provided.
The Development Of Blue Crabs, Callinectes Sapidus, From Kepone-Contaminated Eggs, A. Thomas Leggett
The Development Of Blue Crabs, Callinectes Sapidus, From Kepone-Contaminated Eggs, A. Thomas Leggett
Dissertations, Theses, and Masters Projects
No abstract provided.
Pl/Star, A Structured Assembly Language For The Cdc Star-100, Barry Lee Mowday
Pl/Star, A Structured Assembly Language For The Cdc Star-100, Barry Lee Mowday
Dissertations, Theses, and Masters Projects
No abstract provided.
Effects Of Chlorinated Seawater On Decapod Crustaceans And Mulinia Larvae, Morris H. Roberts, Chae E. Laird, Jerome E. Illowsky
Effects Of Chlorinated Seawater On Decapod Crustaceans And Mulinia Larvae, Morris H. Roberts, Chae E. Laird, Jerome E. Illowsky
Reports
Eggs and larvae of decapod crustaceans and embryos of Mulinia laterulis were exposed to chlorinated seawater for varying periods in continuous flow systems. Mortality, developmental rate, and general behavior were recorded.
Middle Atlantic Outer Continental Shelf Environmental Studies Volume Ii-B: Chemical And Biological Benchmark Studies, E. M. Burreson, D. F. Boesch, B. L. Laird
Middle Atlantic Outer Continental Shelf Environmental Studies Volume Ii-B: Chemical And Biological Benchmark Studies, E. M. Burreson, D. F. Boesch, B. L. Laird
Reports
The Middle Atlantic Outer Continental Shelf Environmental Studies is comprised of three volumes.
- Volume I. Executive Summary.
- Volume IIA, IIB, IIC and IID. Chemical and Biological Benchmark Studies.
- Volume III. Geologic Studies.
This is the second of four sections of the Chemical and Biological Benchmark Studies
- CHAPTER 5. BOTTOM SEDIMENTS AND SEDIMENTARY FRAMEWORK by Donald .F. Boesch
- CHAPTER 6. BENTHIC ECOLOGICAL STUDIES: MACROBENTHOS by Donald F. Boesch
- CHAPTER 7. BENTHIC ECOLOGICAL STUDIES: MEIOBENTHOS by D.J. Hartzband and Donald F. Boesch
- CHAPTER 8. BENTHIC ECOLOGICAL STUDIES: FORAMINIFERA by Robert L. Ellison
Chapters of this report contain …
Chitinoclastic Bacteria From The Mid-Atlantic Shelf: Distribution, Taxonomy, And Effect Of Oil On Growth And Chitin Degradation, Darbie Anne Lister
Chitinoclastic Bacteria From The Mid-Atlantic Shelf: Distribution, Taxonomy, And Effect Of Oil On Growth And Chitin Degradation, Darbie Anne Lister
Dissertations, Theses, and Masters Projects
No abstract provided.
Notes On The Comparative Ecology Of Cottus Bairdi And Cottus Girardi In Naked Creek, Virginia, Richard Edmond Matheson
Notes On The Comparative Ecology Of Cottus Bairdi And Cottus Girardi In Naked Creek, Virginia, Richard Edmond Matheson
Dissertations, Theses, and Masters Projects
No abstract provided.
On The Water Masses Of Norfolk Canyon, Evon Paul Ruzecki
On The Water Masses Of Norfolk Canyon, Evon Paul Ruzecki
Dissertations, Theses, and Masters Projects
Results from four cruises in the outer continental shelf/slope region of the Middle Atlantic Bight demonstrate the effect of Norfolk Canyon, an east coast submarine canyon, on the exchange of local water masses. Seasonal distributions of water masses and water types around the canyon were determined from closely spaced (2-5 km) hydrographic and XBT stations. Five component water types representing shelf, winter (or cold pool), slope, warm Western North Atlantic and cool Western North Atlantic waters are defined by specific T/S signatures. The percent of each water type necessary to achieve measured T/S values along sections to the north and …
An Evaluation Of Hydrocarbon Extraction Techniques For Tissue, Colleen Gail Becker
An Evaluation Of Hydrocarbon Extraction Techniques For Tissue, Colleen Gail Becker
Dissertations, Theses, and Masters Projects
No abstract provided.
Late Pleistocene Stratigraphy And Morphology Of The Lower Northern Neck, Virginia, Kathleen M. Farrell
Late Pleistocene Stratigraphy And Morphology Of The Lower Northern Neck, Virginia, Kathleen M. Farrell
Dissertations, Theses, and Masters Projects
No abstract provided.
Angiosperm Growth, Distribution, And Tissue Nitrogen Concentration In A Sewage-Impacted Marsh, Yorktown Creek, Virginia, Mark Steven Kowalski
Angiosperm Growth, Distribution, And Tissue Nitrogen Concentration In A Sewage-Impacted Marsh, Yorktown Creek, Virginia, Mark Steven Kowalski
Dissertations, Theses, and Masters Projects
No abstract provided.
Search For Metastable Muonic 25 Atomic States, George Whitfield Dodson
Search For Metastable Muonic 25 Atomic States, George Whitfield Dodson
Dissertations, Theses, and Masters Projects
No abstract provided.
Theory Of Electron Detachment In Collisions Of Negative Ions With Atoms, Ronald David Taylor
Theory Of Electron Detachment In Collisions Of Negative Ions With Atoms, Ronald David Taylor
Dissertations, Theses, and Masters Projects
No abstract provided.
Oyster Spatfall In Virginia Rivers: 1979 Annual Summary, Dexter S. Haven, Paul C. Kendall
Oyster Spatfall In Virginia Rivers: 1979 Annual Summary, Dexter S. Haven, Paul C. Kendall
Reports
The Virginia Institute of Marine Science (VIMS) conducts weekly surveys from June through·early October to obtain oyster spatfall information. Spat counts are made from oyster shells strung on wire and suspended from stakes on public and private beds. The number of spat on shells are counted each week of the spawning season to determine the potential of a particular area for receiving a strike and to predict the most likely period the strikes will occur. Shells planted just before the period of maximum set have the best chance of getting a good strike.
Shoreline Situation Report Richmond County, Virginia, Dennis W. Owen, Lynne C. Morgan, Nancy M. Sturm, Robert J. Byrne, Carl H. Hobbs Iii
Shoreline Situation Report Richmond County, Virginia, Dennis W. Owen, Lynne C. Morgan, Nancy M. Sturm, Robert J. Byrne, Carl H. Hobbs Iii
Reports
No abstract provided.
Shoreline Situation Report Counties Of Fairfax And Arlington, City Of Alexandria, Dennis W. Owen, Lynne C. Morgan, Nancy M. Sturm, Robert J. Byrne, Carl H. Hobbs Iii
Shoreline Situation Report Counties Of Fairfax And Arlington, City Of Alexandria, Dennis W. Owen, Lynne C. Morgan, Nancy M. Sturm, Robert J. Byrne, Carl H. Hobbs Iii
Reports
No abstract provided.
On Basin Hypsometry And The Morphodynamic Response Of Coastal Inlet Systems, John D. Boon Iii, Robert J. Byrne
On Basin Hypsometry And The Morphodynamic Response Of Coastal Inlet Systems, John D. Boon Iii, Robert J. Byrne
Reports
The exchange of water and entrained material between coastal basins and the inner continental shelf reduces to the problem of polarized transport (flood+, ebb-) in the conveyance channels routing flow through a coastal inlet. Here the net long-term movement of materials is largely a function of the fluid velocity and discharge~ variables whose time history at-a-station contains both periodic and aperiodic elements. In this paper the importance of the major periodic elements in coastal inlet flows and their potential contribution to the net transport of bedload materials is discussed.
On Basin Hyposmetry And The Morphodynamic Response Of Coastal Inlet Systems, John Boon, Robert J. Byrne
On Basin Hyposmetry And The Morphodynamic Response Of Coastal Inlet Systems, John Boon, Robert J. Byrne
Reports
The exchange of water and entrained material between coastal basins and the inner continental shelf reduces to the problem of polarized transport (flood +, ebb —) in the conveyance channels routing flow through a coastal inlet. Here the net long-term movement of materials is largely a function of the fluid velocity and discharge — variables whose time history at-a-station contains both periodic and aperiodic elements. In this paper the importance of the major periodic elements in coastal inlet flows and their potential contribution to the net transport of bedload materials is discussed.
Middle Atlantic Outer Continental Shelf Environmental Studies Volume Ii-A. Chemical And Biological Benchmark Studies, E. M. Burrreson, D. F. Boesch, B. L. Laird
Middle Atlantic Outer Continental Shelf Environmental Studies Volume Ii-A. Chemical And Biological Benchmark Studies, E. M. Burrreson, D. F. Boesch, B. L. Laird
Reports
The Middle Atlantic Outer Continental Shelf Environmental Studies is comprised of three volumes.
- Volume I. Executive Summary.
- Volume IIA, IIB, IIC and IID. Chemical and Biological Benchmark Studies.
- Volume III. Geologic Studies.
This is the first of four sections of the Chemical and Biological Benchmark Studies
- CHAPTER 1. INTRODUCTION by E. M. Burreson
- CHAPTER 2. BENCHMARK STUDIES by Donald F. Boesch, William D. Athearn, and John G. Brokaw
- CHAPTER 3. PHYSICAL OCEANOGRAPHY AND CLIMATOLOGY by C. S. Welch and E. P. Ruzecki
- CHAPTER 4. MIDDLE ATLANTIC BIGHT ZOOPLANKTON: SECOND YEAR RESULTS AND A DISCUSSION OF …
Middle Atlantic Outer Continental Shelf Environmental Studies Volume Ii-C: Chemical And Biological Benchmark Studies, E. M. Burreson, D. F. Boesch, B. L. Laird
Middle Atlantic Outer Continental Shelf Environmental Studies Volume Ii-C: Chemical And Biological Benchmark Studies, E. M. Burreson, D. F. Boesch, B. L. Laird
Reports
The Middle Atlantic Outer Continental Shelf Environmental Studies is comprised of three volumes.
- Volume I. Executive Summary.
- Volume IIA, IIB, IIC and IID. Chemical and Biological Benchmark Studies.
- Volume III. Geologic Studies.
This is the third of four sections of the Chemical and Biological Benchmark Studies
- CHAPTER 9. COMMUNITY STRUCTURE ANALYSIS AND FOOD HABITS OF FISHES by George R. Sedberry, Eric J. Foell and John A. Musick
- CHAPTER 10. HISTORICAL COMMUNITY STRUCTURE ANALYSIS OF FINFISHES by John A. Musick, James A. Colvocoresses and Eric J. Foell
- CHAPTER 11. BACTERIOLOGY by Howard J. Kator
Chapters of …
Middle Atlantic Outer Continental Shelf Environmental Studies Volume Ii-D: Chemical And Biological Benchmark Studies, E. M. Burreson, D. F. Boesch, B. L. Laird
Middle Atlantic Outer Continental Shelf Environmental Studies Volume Ii-D: Chemical And Biological Benchmark Studies, E. M. Burreson, D. F. Boesch, B. L. Laird
Reports
The Middle Atlantic Outer Continental Shelf Environmental Studies is comprised of three volumes.
- Volume I. Executive Summary.
- Volume IIA, IIB, IIC and IID. Chemical and Biological Benchmark Studies.
- Volume III. Geologic Studies.
This is the fourth of four sections of the Chemical and Biological Benchmark Studies
- CHAPTER 12. HISTOPATHOLOGICAL STUDIES by Craig Ruddell
- CHAPTER 13. TRACE METALS by Richard L. Harris, Raj Jolly, George Grant, and Robert Huggett
- CHAPTER 14. HYDROCARBONS by C. L. Smith, C. W. Su, W. G. Macintyre, R. H. Bieri, and M. Kent Cueman
- CHAPTER 15. VIMS-BLM SECOND ORDER WAVE CLIMATE …
An Environmental Assessment Of The Summer Plankton In The Vicinity Of The C.P. Crane Generating Station, George C. Grant, Stephen P. Berkowitz
An Environmental Assessment Of The Summer Plankton In The Vicinity Of The C.P. Crane Generating Station, George C. Grant, Stephen P. Berkowitz
Reports
A preliminary survey of summer plankton in ·waters surrounding the C. P. Crane generating station in Bengies, Maryland, revealed several possible effects of plant operation. These perturbations were separated into apparent small-scale and large-scale effects:
Small-scale effects were limited to the immediate discharge region of Saltpeter Creek and included (1) occasional elevation of temperatures at the surface (in August) to above the lethal limit for most zooplankton and sufficiently high to inhibit photosynthesis, (2) a decrease in chlorophyll-a, seen in July and August, (3) a sharp decrease in productivity, also in July and August, and (4) absence of a common …
The Virginia Chesapeake Bay: Recent Sedimentation And Paleodrainage, Michael J. Carron
The Virginia Chesapeake Bay: Recent Sedimentation And Paleodrainage, Michael J. Carron
Dissertations, Theses, and Masters Projects
A comparison of the bathymetric surveys of the 1850-series and 1950-series indicated an average sedimentation rate for the Virginia Chesapeake Bay of 0.55 m (1.81 ft) for the last century. A statistically significant relationship between the depth of water and the rate of sedimentation was found where high rates of sedimentation exist in extremely shallow water (0 to 2 m) and in intermediate depths (6 to 13 m), while low rates exist between 2 m and 6 m, and in some cases in water deeper than 13 m. The results of 900 km of continuous seismic reflection profiles taken in …
Distribution Of Macrobenthic Mollusca And Amphipoda In Relation To A Sharp Thermal Front: Cape Hatteras Region, North Carolina, Donald Paul Weston
Distribution Of Macrobenthic Mollusca And Amphipoda In Relation To A Sharp Thermal Front: Cape Hatteras Region, North Carolina, Donald Paul Weston
Dissertations, Theses, and Masters Projects
No abstract provided.
Development And Application Of Pleistocene Sea Level Curve To The Coastal Plain Of Southeastern Virginia, Linda R. Zellmer
Development And Application Of Pleistocene Sea Level Curve To The Coastal Plain Of Southeastern Virginia, Linda R. Zellmer
Dissertations, Theses, and Masters Projects
No abstract provided.
Comparison Of Scales And Otoliths For Determining Age And Growth Of The Alewife (Alosa Pseudoharengus, Wilson), Douglas Wayne Lipton
Comparison Of Scales And Otoliths For Determining Age And Growth Of The Alewife (Alosa Pseudoharengus, Wilson), Douglas Wayne Lipton
Dissertations, Theses, and Masters Projects
No abstract provided.
Nonlinear Evolution Of The Magnetohydrodynamic Sheet Pinch, William H. Matthaeus
Nonlinear Evolution Of The Magnetohydrodynamic Sheet Pinch, William H. Matthaeus
Dissertations, Theses, and Masters Projects
No abstract provided.
Variation And Prediction Of Water Temperature In York River Estuary At Gloucester Point, Virginia, Bernard B. Hsieh
Variation And Prediction Of Water Temperature In York River Estuary At Gloucester Point, Virginia, Bernard B. Hsieh
Dissertations, Theses, and Masters Projects
No abstract provided.
A Model Study Of The Effects Of Bathymetric Alterations On Shoreline Wave Energy Distribution, Adam Arthur Frisch
A Model Study Of The Effects Of Bathymetric Alterations On Shoreline Wave Energy Distribution, Adam Arthur Frisch
Dissertations, Theses, and Masters Projects
No abstract provided.