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Articles 1 - 30 of 10541
Full-Text Articles in Entire DC Network
Scintillation Model For A Satellite Communication Link At Large Zenith Angles, Larry C. Andrews, Ronald L. Phillips, Cynthia Young Hopen
Scintillation Model For A Satellite Communication Link At Large Zenith Angles, Larry C. Andrews, Ronald L. Phillips, Cynthia Young Hopen
Faculty Bibliography 2000s
A scintillation model is developed for uplink-downlink optical communication channels applicable in moderate to strong fluctuation conditions that may arise under large zenith angles between transmitter and receiver. The model developed here is an extension of a recently published theory that treats irradiance fluctuations along a horizontal path as a modulation of small-scale scintillation by large-scale scintillation. For a downlink path the scintillation index is modeled like that of an infinite plane wave, and for an uplink path we consider a spherical wave model. In both cases the scintillation index agrees with conventional weak-fluctuation-theory results out to zenith angles of …
Zoning Ordinances And "Free Speech", Alan C. Weinstein
Zoning Ordinances And "Free Speech", Alan C. Weinstein
Law Faculty Articles and Essays
Over the past two decades there has been a marked expansion in legal challenges to local land use regulations claiming violations of the free speech clause of the First Amendment to the United States Constitution. First Amendment claims can arise whenever government enacts or enforces zoning or other regulations that deal with uses such as billboards or adult entertainment businesses. This article discusses why this litigation is taking place, provides an overview of First Amendment law, and offers local officials some guidelines to help avoid potential legal challenges.
Behavior Of Gamma Tial Subjected To Impact Damage And Elevated Temperature Fatigue, Trevor S. Harding, J. Wayne Jones
Behavior Of Gamma Tial Subjected To Impact Damage And Elevated Temperature Fatigue, Trevor S. Harding, J. Wayne Jones
Materials Engineering
Gamma titanium aluminide has received significant attention in recent years as a candidate material for use in aerospace and industrial gas turbine engine applications. In particular, these materials offer significant weight reductions (densities are less than half that of nickel-based superalloys), high specific strength retention at elevated temperature and high specific stiffness which is particularly important in vibrating components such as blades. This combination of weight savings and good mechanical properties has led to the possibility that γ-TiAl may be a suitable replacement for nickel-based alloys, such as Inconel 718, in low pressure turbine blades without significant redesign of the …
Arkansas Water Resources Center Annual Technical Report, 1999, Arkansas Water Resources Center
Arkansas Water Resources Center Annual Technical Report, 1999, Arkansas Water Resources Center
Arkansas Water Resources Center Annual Report
No abstract provided.
Public Education And Greenwood County: A Benchmarking Tool, 1999 December 31, Louis R. Lanier, Ellen Weeks Saltzman
Public Education And Greenwood County: A Benchmarking Tool, 1999 December 31, Louis R. Lanier, Ellen Weeks Saltzman
Publications
No abstract provided.
Mammal Research In Southern Africa: Present Patterns And Future Priorities, Johan T. Du Toit, L. S. Broomhall
Mammal Research In Southern Africa: Present Patterns And Future Priorities, Johan T. Du Toit, L. S. Broomhall
Wildland Resources Faculty Publications
We conducted a survey to identify present patterns and future priorities for mammal research in southern Africa (countries including and southwards of Angola, Zambia and Tanzania). Two sets of peer-reviewed journals were scanned for papers on southern African mammal research over the period 1988-1998: one set comprised five journals published in South Africa; the other comprised 10 journals published abroad. For the same period we reviewed titles of M.Sc. and Ph.D. dissertations completed in zoology departments of South African universities. A questionaire was administered by e-mail to. 126 researchers active in mammal research in southern Africa, concurrently with a separate …
Central Bank Of Nigeria Annual Report And Statement Of Accounts For The Year Ended 31st December 1999, Central Bank Of Nigeria
Central Bank Of Nigeria Annual Report And Statement Of Accounts For The Year Ended 31st December 1999, Central Bank Of Nigeria
CBN Annual Report
The Annual Report contains details of Central Bank of Nigeria (CBN) financial activities during the 1999 accounting year in accordance with statutory requirement. During the period under review, the Bank carried out its core functions under CBN Decree No. 24, 1991, and the Banks and Other Financial Institutions (BOFI Decree No. 25, 1991). The CBN also performed developmental and technical assistance roles to contribute to economic development and capacity building. In 1999, the CBN carried out core functions, including issuance of currency notes and coins, maintaining Nigeria's external reserves, and promoting monetary stability. The Bank implemented policies to reduce excess …
Annual Report 1999 Tisco Finance Public Company Limited, Thai Investment And Securities Company (Tisco)
Annual Report 1999 Tisco Finance Public Company Limited, Thai Investment And Securities Company (Tisco)
Documents
No abstract provided.
Dairy Outlook 2000, Donald L. Peterson
Dairy Outlook 2000, Donald L. Peterson
Remote Sensing Observations Of Winter Phytoplankton Blooms Southwest Of The Luzon Strait In The South China Sea, Dan-Ling Tang, I-Hsun Ni, Dana R. Kester, Frank E. Muller-Karger
Remote Sensing Observations Of Winter Phytoplankton Blooms Southwest Of The Luzon Strait In The South China Sea, Dan-Ling Tang, I-Hsun Ni, Dana R. Kester, Frank E. Muller-Karger
Marine Science Faculty Publications
The Luzon Strait is a channel between the Philippine Sea and the South China Sea. This area is traditionally classified as an oligotrophic zone with low primary productivity. Even so, high concentrations of pigment were detected 100 km southwest of the Strait through analysis of historical Coastal Zone Color Scanner (CZCS) data that the Nimbus-7 satellite collected during the winters of 1979 to 1986. These blooms were observed in December 1979, February 1983, February 1985, and January 1986, when sea surface temperatures measured with the National Oceanic and Atmospheric Administration's (NOAAs) Advanced Very High Resolution Radiometer (AVHRR) were 23 to …
The Murray Ledger And Times, December 29, 1999, The Murray Ledger And Times
The Murray Ledger And Times, December 29, 1999, The Murray Ledger And Times
The Murray Ledger & Times
No abstract provided.
Diet Of A Great Horned Owl (Bubo Virginianus) On A Small Coastal Connecticut Island, Jon A. Moore, Celia Lewis, Michael R. Anderson
Diet Of A Great Horned Owl (Bubo Virginianus) On A Small Coastal Connecticut Island, Jon A. Moore, Celia Lewis, Michael R. Anderson
Postilla
We assessed the diet of a single great horned owl residing on a small coastal island in Long Island Sound by examining the contents of pellets and other materials found below roosts. This owl fed on an unusually broad array of prey items, especially birds, providing insight into the foraging strategies used.
A Type Catalog Of Fossil Invertebrates (Mollusca: Actinoceratoidea, Bactritoidea, Endoceratoidea And Nautiloidea) In The Yale Peabody Museum, Russell D. White, Laura K. Skorina
A Type Catalog Of Fossil Invertebrates (Mollusca: Actinoceratoidea, Bactritoidea, Endoceratoidea And Nautiloidea) In The Yale Peabody Museum, Russell D. White, Laura K. Skorina
Postilla
Type material for 220 nominal species of fossil actinoceratoids, bactritoids, endoceratoids and nautiloids are in the Invertebrate Paleontology Collections of Yale University's Peabody Museum of Natural History. Primary types for 158 nominal species include 133 holotypes, 64 syntypes (representing 18 nominal species), one lectotype and two neotypes. Secondary types for 22 nominal species include 90 paratypes. Tertiary types of 98 nominal species include 159 hypotypes. Most types are from Coahuila (Mexico), Newfoundland, New York State and Quebec and have been described by R.H. Flower, A.F. Foerste, J. Hall and A.K. Miller.
A Type Catalog Of Fossil Invertebrates (Mollusca: Gastropoda) In The Yale Peabody Museum, Russell D. White, Brent H. Horstman, Karen E. Mcfadden, Laura K. Skorina
A Type Catalog Of Fossil Invertebrates (Mollusca: Gastropoda) In The Yale Peabody Museum, Russell D. White, Brent H. Horstman, Karen E. Mcfadden, Laura K. Skorina
Postilla
Type material for 373 nominal species of fossil gastropods is in the Invertebrate Paleontology Collections of Yale University's Peabody Museum of Natural History. Primary types for 193 nominal species include 164 holotypes, 191 syntypes (representing 29 nominal species) and 4 lectotypes. Secondary types for 79 nominal species include 228 paratypes (representing 75 nominal species) and 9 paralectotypes (representing 4 nominal species). Tertiary types of 172 nominal species include 1034 hypotypes. Most types are from St. Louis (Missouri), Chazy (New York), Zorritos (Peru) and Syria and have been described by T.D.A. Conrad, J. B. Knight, E.T. Nelson and P.E. Raymond.
Probing The Mechanisms Of Enantioselective Hydrogenation Of Simple Olefins With Chiral Rhodium Catalysts In The Presence Of Anions, Jillian M. Buriak, Jason C. Klein, Deborah Herrington, John A. Osborn
Probing The Mechanisms Of Enantioselective Hydrogenation Of Simple Olefins With Chiral Rhodium Catalysts In The Presence Of Anions, Jillian M. Buriak, Jason C. Klein, Deborah Herrington, John A. Osborn
Peer Reviewed Articles
The strong influence of various anions upon the hydrogenation of 2-phenyl-1-butene, catalyzed by chiral rhodium catalysts was investigated. Both sulfonates and halides exert large increases in the enantioselectivity when [Rh{(−)-bdpp}(NBD)]ClO4 (bdpp=2,4-bis(diphenylphosphino)pentane, NBD=2,5-norbornadiene) is used as the catalyst precursor at high pressures (70 atm) of dihydrogen in nonpolar solvents. A dihydride mechanism similar to that for Wilkinson's catalyst [RhCl(PPh3)3] was shown to be operating at both high- and low-pressure conditions through a combination of catalytic studies, 31P, 1H and parahydrogen-induced polarization (PHIP) NMR experiments. With sulfonate and in neat methanol, however, a mechanistic switch takes place from a dihydride route (dihydrogen …
Dr. Evans To Present Paper, Lindenwood University
Dr. Evans To Present Paper, Lindenwood University
Archived Lindenwood Press Releases
No abstract provided.
The Murray Ledger And Times, December 27, 1999, The Murray Ledger And Times
The Murray Ledger And Times, December 27, 1999, The Murray Ledger And Times
The Murray Ledger & Times
No abstract provided.
Structure And Function Analysis Of Lin-14, A Temporal Regulator Of Postembryonic Developmental Events In Caenorhabditis Elegans, Yang Hong, Rosalind C. Lee, Victor Ambros
Structure And Function Analysis Of Lin-14, A Temporal Regulator Of Postembryonic Developmental Events In Caenorhabditis Elegans, Yang Hong, Rosalind C. Lee, Victor Ambros
Dartmouth Scholarship
During postembryonic development of Caenorhabditis elegans, the heterochronic gene lin-14 controls the timing of developmental events in diverse cell types. Three alternativelin-14 transcripts are predicted to encode isoforms of a novel nuclear protein that differ in their amino-terminal domains. In this paper, we report that the alternative amino-terminal domains of LIN-14 are dispensable and that a carboxy-terminal region within exons 9 to 13 is necessary and sufficient for in vivo LIN-14 function. A transgene capable of expressing only one of the three alternativelin-14 gene products rescues a lin-14 null mutation and is developmentally regulated by lin-4. …
Bowls Everywhere But None To Match The Poulan Weed Eater Bowl, Richard C. Crepeau
Bowls Everywhere But None To Match The Poulan Weed Eater Bowl, Richard C. Crepeau
On Sport and Society
I entered a state of deep depression recently when I learned that the folks at Poulan are no longer sponsoring the Independence Bowl. The Poulan Weed Eater Bowl is no more. The irritating, loud and stupid relative of all the bowl games is gone. The Poulan Weed Eater Bowl has whacked its last weed.
Adolescent Substance Use And Adult Health Status, Ryan E. Spohn, Howard B. Kaplan
Adolescent Substance Use And Adult Health Status, Ryan E. Spohn, Howard B. Kaplan
Criminology and Criminal Justice Faculty Publications
The intuitively appealing hypothesized relationship between drug use and physical health status is reexamined critically in a longitudinal perspective. Individuals who were first surveyed in Houston junior high schools in 1971 are followed up through personal interviews in the fourth decade of life. In addition to focusing on the baseline effect of drug use on health, we include latent constructs reflecting deviance and psychological maladjustment as theoretically relevant antecedent and mediating variables. Using structural equation models, we found a positive, significant relationship between adolescent substance use and poor physical health in adulthood. Controlling for the spurious effects of adolescent psychological …
We Forum, Vol Xxiii No. 36 - Dec. 27, 1999-Jan. 2, 2000, Jose Burgos, Jr.
We Forum, Vol Xxiii No. 36 - Dec. 27, 1999-Jan. 2, 2000, Jose Burgos, Jr.
We Forum
No abstract provided.
Program Quality Review - Department Of Communicative Disorders (1999), William T. O'Malley
Program Quality Review - Department Of Communicative Disorders (1999), William T. O'Malley
Collection Development Reports and Documents
"Program Quality Review" measuring library support for the Department of Communicative Disorders. Tracks library expenditures on materials serving communicative disorders and related topics, books added and circulated by subject with peer comparisons, scholarly books published by subject, and URI Library holdings of top-ranked journals.
Ddasaccident315, Hd-Aid
Ddasaccident315, Hd-Aid
Global CWD Repository
The accident occurred at 10:45 on December 24th 1999 during the manual demining of power lines between Maputo and Komatiport at the 88th tower about 8km from Moamba Town. The deminer was injured in an area considered to be densely mined during an attempt to enlarge the cleared area from 20 square metres to 40 square metres. While trying to cut some shrubs he made a "false move" and activated a mine outside his lane with his left foot. The mine was outside the "ring" and below a tree.
Three New Hesperioidae (Hesperiinae) From South Carolina: New Subspecies Of Euphyes Bimacula, Poanes Aaroni, And Hesperia Attalus, Ronald R. Gatrelle
Three New Hesperioidae (Hesperiinae) From South Carolina: New Subspecies Of Euphyes Bimacula, Poanes Aaroni, And Hesperia Attalus, Ronald R. Gatrelle
The Taxonomic Report of the International Lepidoptera Survey
Euphyes bimacula arbogasti is described as a new subspecies from Berkeley County, South Carolina, United States. It is known from only a few widely scattered colonies in the coastal swamp forests of the southeastern United States from Georgia to southeastern North Carolina. It is darker then E. b. bimacula and E. b. illinois. Poanes aaroni minimus is described as a new subspecies from Bull Swamp, Orangeburg County, South Carolina. This unique inland subspecies is presently known only from the type locality. It is darker then P. a. aaroni and P. a. …
Viscoelastic Depinning Of Driven Systems: Mean-Field Plastic Scallops, M. Cristina Marchetti, Alan Middleton, Thomas Prellberg
Viscoelastic Depinning Of Driven Systems: Mean-Field Plastic Scallops, M. Cristina Marchetti, Alan Middleton, Thomas Prellberg
Physics - All Scholarship
We have investigated the mean field dynamics of an overdamped viscoelastic medium driven through quenched disorder. The model introduced incorporates coexistence of pinned and sliding degrees of freedom and can exhibit continuous elastic depinning or first order hysteretic depinning. Numerical simulations indicate mean field instabilities that correspond to macroscopic stick-slip events and lead to premature switching. The model is relevant for the dynamics of driven vortex arrays in superconductors and other extended disordered systems.
The Murray Ledger And Times, December 23, 1999, The Murray Ledger And Times
The Murray Ledger And Times, December 23, 1999, The Murray Ledger And Times
The Murray Ledger & Times
No abstract provided.
Vol.27 N.46 December 23rd 1999, Csusb
12/23/1999 - Eastern Offers Courses In Champaign.Pdf, University Marketing And Communications
12/23/1999 - Eastern Offers Courses In Champaign.Pdf, University Marketing And Communications
1999
No abstract provided.
12/23/1999 - Eastern Offers Courses In Mattoon.Pdf, University Marketing And Communications
12/23/1999 - Eastern Offers Courses In Mattoon.Pdf, University Marketing And Communications
1999
No abstract provided.