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Articles 181 - 210 of 23098
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Intelligent Placement Of Meters/Sensors For Shipboard Power System Analysis, Sandhya Sankar
Intelligent Placement Of Meters/Sensors For Shipboard Power System Analysis, Sandhya Sankar
Theses and Dissertations
Real time monitoring of the shipboard power system is a complex task to address. Unlike the terrestrial power system, the shipboard power system is a comparatively smaller system but with more complexity in terms of its system operation. This requires the power system to be continuously monitored to detect any type of fluctuations or disturbances. Planning metering systems in the power system of a ship is a challenging task not only due to the dimensionality of the problem, but also due to the need for reducing redundancy while improving network observability and efficient data collection for a reliable state estimation …
Cityland – Vol. 4, No. 11, Center For New York City Law
Cityland – Vol. 4, No. 11, Center For New York City Law
CityLand - 2007
The December 2007 issue of CityLand covers major land use and development initiatives across New York City. It features contentious hearings on the redevelopment of Willets Point, the approval of a 63-story tower at 50 West Street using Battery Tunnel air rights, and the Planning Commission’s modifications to Columbia University’s Manhattanville expansion and Community Board 9’s 197-a plan. The issue also highlights new zoning standards for parking lots, a proposed crackdown on illegal hotel conversions, and a green roof tax incentive resolution. Landmark actions include the designation of the 19th-century P.S. 90 school in Brooklyn and the removal of the …
Increasing The Efficiency Of Network Interface Card, Amit Uppal
Increasing The Efficiency Of Network Interface Card, Amit Uppal
Theses and Dissertations
A Network Interface Card (NIC) is used for receiving the packets, processing the packets, passing the packets to the host processor, and sending the packets to other computers in a network. NIC uses the buffer management algorithm to distribute the buffer space among different applications. An application may use User Datagram Protocol (UDP) or Transmission Control Protocol (TCP), depending upon the type of application. Buffer Management Algorithm for UDP-based applications may be completely different from the one for TCP applications, since in UDP- based applications receiver do not send acknowledgement back to the sender. This thesis proposes two buffer management …
Dynamic Electron-Phonon Interactions In One Dimensional Models, Rahul Padmakar Hardikar
Dynamic Electron-Phonon Interactions In One Dimensional Models, Rahul Padmakar Hardikar
Theses and Dissertations
We study the unusual phases seen in charge transfer salts (CTS) at 1/2 and 1/4 filling. We use the Holstein-Hubbard model (HHM) and the Peierls extended Hubbard model (PEH) to study competing phases in CTS. In the 1/2illed HHM the Holstein coupling promotes a Peierls charge-density wave phase while the on-site Coulomb repulsion U gives rise to antiferromagnetic correlations and a Mott insulating state. Takada et al. have shown possibility of a third metallic phase between the Mott and the Peierls phase. We investigate the presence of an intermediate phase between the Mott and Peierls phase using Stochastic Series Expansion …
Full Scale Instrumented Testing And Analysis Of Matting Systems For Airfield Parking Ramps And Taxiways, Chad A. Gartrell
Full Scale Instrumented Testing And Analysis Of Matting Systems For Airfield Parking Ramps And Taxiways, Chad A. Gartrell
Theses and Dissertations
The U.S. military requires the ability to rapidly deploy troops, equipment, and materials anywhere in the world. Recent operations have brought attention to the need to utilize austere, unsurfaced, and sometimes sub-standard airfields within a theater of interest. These airfields may require additional taxiways and aprons. One option for the rapid construction of such is airfield matting systems. The focus of the work for this thesis was commercially available airfield matting systems to support large military transport aircraft, such as the C 17. Several test sections with differing strength soils were built with chosen mats tested in an elimination method, …
Development Of Bio-Photonic Sensor Based On Laser-Induced Fluorescence, Chan Kyu Kim
Development Of Bio-Photonic Sensor Based On Laser-Induced Fluorescence, Chan Kyu Kim
Theses and Dissertations
Laser-induced fluorescence (LIF) has been shown to be potentially useful for identifying microorganisms in real time. It is a selective and sensitive technique because the excitation is performed at one wavelength while the emission is monitored at longer wavelengths so that background from the excitation source can be eliminated. This specialized optical property of LIF can be applied to development of an optical sensor capable of quickly, non-invasively, and quantitatively probing complex biochemical transformations in microorganisms. Various bio-photonic optical fiber sensors based on laser-induced fluorescence (LIF) spectroscopy were developed as diagnostic tools for microorganisms. In the first phase, the enhancement …
Dielectrophoretic Characterization Of Abo Blood Type, Frequency And Ac Field Strength Of Erythrocytes, Prashant Reuben Daggolu
Dielectrophoretic Characterization Of Abo Blood Type, Frequency And Ac Field Strength Of Erythrocytes, Prashant Reuben Daggolu
Theses and Dissertations
This research investigates the role of ABO blood type of erythrocytes in their dielectrophoretic response. The dielectrophoresis of erythrocytes of positive ABO blood types was studied at 5 V (peak to peak) and 1 MHz frequency AC field. The study revealed that the ABO blood type had an influence on the dielectrophoretic motion of the erythrocytes, particularly separating AB+ and O+ blood types. This is of particular significance since AB+ is a universal acceptor and O+ is a universal donor for blood transfusion purposes. The influence of field parameters, namely field strength and frequency of the AC field, was also …
A Periodic Technique For Measuring Thermal Properties Of Thin Samples, Garrett May
A Periodic Technique For Measuring Thermal Properties Of Thin Samples, Garrett May
LSU New Orleans Theses and Dissertations
We present a periodic technique for measuring the thermal conductivity and diffusivity of thin samples simultaneously. In samples of this type, temperature measurements must be made across the sample faces and are therefore subject to large error due to the interface resistance between the temperature sensor and the sample. The technique uses measurements of the amplitude and phase of the periodic temperature across both a reference sample and the unknown material at several different frequencies. Modeling of the heat flow in the sample allows the simultaneous determination of the thermal parameters of the sample as well as the interface resistance. …
Short And Long-Term Changes In The Fish Assemblages Of Bayou Lacombe, Louisiana, Jeffrey M. Van Vrancken
Short And Long-Term Changes In The Fish Assemblages Of Bayou Lacombe, Louisiana, Jeffrey M. Van Vrancken
LSU New Orleans Theses and Dissertations
Over the past thirty-five years, anthropogenic disturbances around Bayou Lacombe have altered its fish assemblage. In 2005, the impact of Hurricane Katrina on southeast Louisiana presented me with a unique opportunity to explore the effects of a catastrophic storm on the Bayou. I explored the effects of natural and human disturbances on the Bayou's fish assemblage by electrofishing six historically sampled stations. My research goals were to determine: 1) which Bayou Lacombe fish assemblages were most resilient to the multiple effects of Hurricane Katrina, 2) if there were significant differences in the Bayou's fish assemblages over the past 35 years …
Feasibility Of The Use Of Two Spent Blast Materials As Aggregate In Hot Mix Asphalt In Louisiana Post-Katrina, Amer Kholoqui Khanfar
Feasibility Of The Use Of Two Spent Blast Materials As Aggregate In Hot Mix Asphalt In Louisiana Post-Katrina, Amer Kholoqui Khanfar
LSU New Orleans Theses and Dissertations
Using spent abrasive blast material (ABM) in hot mix asphalt to replace part of the fine aggregates used in the production of conventional hot mix asphalt has several environmental benefits. First, onsite storage of spent ABMs negatively impact neighboring properties because the fine materials are a source of airborne debris and dust. Use of tarps as curtains only reduces this hazard. Secondly, storage piles of this waste are situated near canals, waterways and the Mississippi River. Future storms may carry these waste products into the neighboring waterways. Most importantly, these wastes are ultimately disposed of in non-hazardous landfills. Reuse of …
Visual Perception In Traumatic Brain Injury: Effects Of Severity And Effort, Luis Aguerrevere
Visual Perception In Traumatic Brain Injury: Effects Of Severity And Effort, Luis Aguerrevere
LSU New Orleans Theses and Dissertations
Previous studies have found that poor effort can significantly impact psychometric performance by Traumatic Brain Injury (TBI) patients. So far, this impact has been relatively well studied in attention and memory. However, this is not the case for visual perception functions. Thus, the goal of this study was to determine to what extent TBI severity affect visual perception after controlling for effort. Results showed that mild TBI good effort group did not differ from a demographically matched control group. In contrast, a mild TBI poor effort group, a moderate-severe TBI group and a right hemisphere cerebro-vascular (CVA) group performed worse …
Behavioral Outcomes And Molecular Marker Modulation During Learning And Memory Formation Following Developmental Exposure To Organophoshorus Insecticides, Frank Orlando Johnson
Behavioral Outcomes And Molecular Marker Modulation During Learning And Memory Formation Following Developmental Exposure To Organophoshorus Insecticides, Frank Orlando Johnson
Theses and Dissertations
Effects of developmental exposure to chlorpyrifos (CPS) or methyl parathion (MPS) on visuospatial, adaptive fear response, and passive avoidance memory and the signaling mechanisms responsible for these neurocognitive changes were investigated. Using an incremental low dose regimen, rat pups were orally gavaged daily with either corn oil (vehicle), CPS, or MPS from postnatal day 1 (PND1) -PND21. Cholinesterase activity was significantly inhibited with the highest dosages of CPS and MPS for up to 19 days after the last dosages. OP exposure impaired working and reference memory in males whereas in the females, enhancement occurred following CPS exposure. In addition, the …
Birds And Small Mammals, Intensively Established Pine Plantations, And Landscape Metrics Of The Coastal Plain, Brice Bond Hanberry
Birds And Small Mammals, Intensively Established Pine Plantations, And Landscape Metrics Of The Coastal Plain, Brice Bond Hanberry
Theses and Dissertations
I evaluated effects of 5 treatments for pine plantation establishment on breeding and wintering birds and small mammals during years one through 5 post-treatment in the Lower Coastal Plain of Mississippi. I modeled relationships between 8 vegetation variables and avian abundance to identify influential habitat components in pine plantations. At the landscape scale, I compared avian abundance of regionally important species with land class variables in the Coastal Plain of Georgia. In pine plantations, species richness, total abundance, and 2 conservation bird metrics generally decreased with increasing intensity of stand establishment. Thus, this study suggests that increasing standmestablishment intensity can …
Adjuvant Effects On Herbicide Absorption And Translocation, Darrin Matthew Dodds
Adjuvant Effects On Herbicide Absorption And Translocation, Darrin Matthew Dodds
Theses and Dissertations
Bispyribac-sodium is an acetolactate synthase (ALS) inhibiting herbicide introduced for control of grasses, broadleaves, and sedges in rice and turf. However, Mississippi and Arkansas rice producers have reported inconsistent barnyardgrass (Echinochloa crus-galli Beauv.) control with bispyribac-sodium. Experiments were conducted to determine if inconsistent barnyardgrass control with bispyribac-sodium could be alleviated through adjuvant technology. Absorption of 14C-bispyribac-sodium was greatest with a proprietary blend of methylated seed oil/organosilicone (MSO/OSL) (0.37 L ha-1) plus urea ammonium nitrate (UAN) (2% v/v) and the proprietary blend of MSO/OSL/UAN (2% v/v) at 80 and 74% of applied 14C-bispyribac-sodium, respectively. The addition of 32% UAN to MSO/OSL …
Risk, Resilience, And Success In College For Students With Vision Disabilities, Rose Angelocci
Risk, Resilience, And Success In College For Students With Vision Disabilities, Rose Angelocci
LSU New Orleans Theses and Dissertations
College students with visual disabilities are less likely to graduate than their sighted counterparts. The purpose of this study was to understand the life experiences of successful college students with visual disabilities. Concepts of risk and resiliency were used as a conceptual framework for understanding how people can have positive outcomes in spite of adversity. Individual, family, school, and community influences were explored. In-depth interviews were conducted with six participants who have vision impairments and were nearing the completion or had recently completed a college degree. Data were analyzed for common themes and meanings using a phenomenological method advanced by …
A Unified Measure Of Audio System Fidelity, Lawrence A. Tedesco Jr.
A Unified Measure Of Audio System Fidelity, Lawrence A. Tedesco Jr.
LSU New Orleans Theses and Dissertations
A new technique to qualitatively measure distortion in dynamically controlled audio systems using non-stationary noise sequences is explored and compared to traditional methods based upon stationary test signals. This technique can easily be adapted to give a qualitative measure of distortion as a function of the perceived Sound Pressure Level (SPL).
Language Dysfunction In Traumatic Brain Injury While Controlling For Effort, Matthew T. Heinly
Language Dysfunction In Traumatic Brain Injury While Controlling For Effort, Matthew T. Heinly
LSU New Orleans Theses and Dissertations
The present study included three traumatic brain injury (TBI) groups (good effort mild TBI, poor effort mild TBI, and good effort moderate/severe TBI) and two neurologic control groups (dementia and unilateral left hemisphere stroke). Language impairment was examined using the following measures: Wechsler Adult Intelligence Scale-III Verbal Comprehension Index and the Vocabulary, Similarities, Information, and Comprehension subtests; the Boston Naming Test; the Phonemic and Semantic cue conditions of the Controlled Oral Word Association Test; the Auditory Comprehension subtest of the Cognistat; Wide Range Achievement Test-3 Reading subtest; and the Peabody Picture Vocabulary Test. When effort was controlled, there was a …
The Hydraulic Spline: Comparisons Of Existing Surface Modeling Techniques And Development Of A Spline-Based Approach For Hydrographic And Topographic Surface Modeling, Maik Flanagin
LSU New Orleans Theses and Dissertations
Creation of accurate and coherent surface models is vital to the effective planning and construction of flood control and hurricane protection projects. Typically, topographic surface models are synthesized from Delaunay triangulations or interpolated raster grids. Although these techniques are adequate in most general situations, they do not effectively address the specific case where topographic data is available only as cross-section and profile centerline data, such as the elevation sampling produced by traditional hydrographic surveys. The hydraulic spline algorithm was developed to generate irregular two-dimensional channel grids from hydrographic cross-sections at any desired resolution. Hydraulic spline output grids can be easily …
Magnetic And Transport Properties Of Oxide Thin Films, Yuanjia Hong
Magnetic And Transport Properties Of Oxide Thin Films, Yuanjia Hong
LSU New Orleans Theses and Dissertations
My dissertation research focuses on the investigation of the transport and magnetic properties of transition metal and rare earth doped oxides, particularly SnO2 and HfO2 thin films. Cr- and Fe-doped SnO2 films were deposited on Al2O3 substrates by pulsed-laser deposition. Xray- diffraction patterns (XRD) show that the films have rutile structure and grow epitaxially along the (101) plane. The diffraction peaks of Cr-doped samples exhibit a systematic shift toward higher angles with increasing Cr concentration. This indicates that Cr dissolves in SnO2. On the other hand, there is no obvious shift of the diffraction peaks of the Fe-doped samples. The …
Interactions Of The Striatal Gene Rhes With The Dopaminergic System In Rodents, Gabriel Quintero
Interactions Of The Striatal Gene Rhes With The Dopaminergic System In Rodents, Gabriel Quintero
LSU New Orleans Theses and Dissertations
Mice that are incapable of expressing the small G protein Rhes have been generated and have shown to have abnormalities in behaviors mediated by the striatum, a region in which Rhes is highly expressed. Moreover, conditions that result in dopamine supersensitivity and a breakdown in D1/D2 synergism in rodents, consistently decrease rhes mRNA in striatum. Thus, Rhes may play have relevance in dopamine signal modulation. For evaluating the role of Rhes in anxiety, stereotypy and basal motor activity, adult male and female wild-type (WT) mice, Rhes knockout (KO) mice, and mice heterozygous for the KO and WT alleles (Het) were …
Sandra Day O'Connor: Moderate Or Something More?, Patricia Arceneaux
Sandra Day O'Connor: Moderate Or Something More?, Patricia Arceneaux
LSU New Orleans Theses and Dissertations
In 2006 an historic era of the Supreme Court came to a close with the retirement of its first female justice, Sandra Day O'Connor. This paper attempts to expand judicial behavior scholarship by examining O'Connor's policy preferences for possible ideological change during her twenty-five year tenure on the Court. Average liberalism scores for her overall and civil rights/civil liberties issue area votes show an increase in liberalism over time. The researcher employs time series cross section analysis with panel corrected standard errors to determine factors responsible for this increase. Issue change, interagreement with the other justices, changes in Court membership, …
Magneto-Optical Study Of Cobalt Ferrite Nanoparticles, Byron L. Scott
Magneto-Optical Study Of Cobalt Ferrite Nanoparticles, Byron L. Scott
LSU New Orleans Theses and Dissertations
A magneto-optical study of CoxFe1-xFe2O4 nanoparticles is presented, with cobalt molar ratio 0.x.1. The ferrite nanoparticles were produced using a generic wet-chemical synthesis procedure. Stoichiometric amounts of Fe2+, Fe3+ and Co2+ salts are dissolved in a non-aqueous polar medium (diethylene glycol). A coprecipitation reaction with sodium hydroxide produces ferrite nanoparticles with average diameter of 6 nm. The nanoparticles can be stabilized by tetramethyl ammonium hydroxide in water, or, alternatively, the nanoparticles can be treated with a hydrophobic capping ligand with a carboxylic acid or amine head group and suspended in a non-polar organic solvent. As a complete structural analysis of …
Characterization Of Enzymes Involved In Bilin Attachment To Allophycocyanin In The Cyanobacterium Synechococcus Sp. Pcc 7002, Shervonda Williams
Characterization Of Enzymes Involved In Bilin Attachment To Allophycocyanin In The Cyanobacterium Synechococcus Sp. Pcc 7002, Shervonda Williams
LSU New Orleans Theses and Dissertations
The goal of this research is to identify and characterize enzymes involved in bilin attachment to the phycobiliprotein allophycocyanin in the cyanobacterium Synechococcus sp. PCC 7002. Candidates for lyases responsible for attachment of phycocyanobilin to allophycocyanin are two cpeS-like genes termed cpcS and cpcU, and one cpeT-like gene termed cpcT. In vitro bilin attachment reactions were conducted in the presence of the recombinant substrate apo-allophycocyanin (HT-ApcAB). Size exclusion HPLC showed that CpcS and HT-CpcU form a 1:1 heterodimeric complex and that HT-ApcAB is present as a monomer (áâ). Absorbance and fluorescence spectroscopy illustrated that both CpcS and HT-CpcU were required …
When Decision Meets Estimation: Theory And Applications, Ming Yang
When Decision Meets Estimation: Theory And Applications, Ming Yang
LSU New Orleans Theses and Dissertations
In many practical problems, both decision and estimation are involved. This dissertation intends to study the relationship between decision and estimation in these problems, so that more accurate inference methods can be developed. Hybrid estimation is an important formulation that deals with state estimation and model structure identification simultaneously. Multiple-model (MM) methods are the most widelyused tool for hybrid estimation. A novel approach to predict the Internet end-to-end delay using MM methods is proposed. Based on preliminary analysis of the collected end-to-end delay data, we propose an off-line model set design procedure using vector quantization (VQ) and short-term time series …
U.S.-Austrian Relations In The Pre-Anschluss Period: Fdr's Unwillingness For War, John S. Berteau
U.S.-Austrian Relations In The Pre-Anschluss Period: Fdr's Unwillingness For War, John S. Berteau
LSU New Orleans Theses and Dissertations
This paper evaluates the United States' decision not to come to Austria's aid prior to and during the Anschluss of 12 March 1938. The uniqueness of this work is the two-front evaluation of both the internal/domestic affairs of the United States and the foreign policy of the US Government vis-à-vis Hitler's aggressive foreign policy. As this paper will show, Anschluss might have been prevented, but at a cost neither the United States nor European powers were willing to pay. The domestic situation in the United States was too fragile, as was the lack of public support for war for FDR …
Assessing The Effectiveness Of Louisiana's Freshwater Diversion Projects Using Remote Sensing, Michael G. Metzger
Assessing The Effectiveness Of Louisiana's Freshwater Diversion Projects Using Remote Sensing, Michael G. Metzger
LSU New Orleans Theses and Dissertations
Southern Louisiana is experiencing a dramatic loss of freshwater wetlands as a result of natural and man-made changes in the landscape. Multitempral remotely sensed data were used to examine the impact of the Caernarvon Freshwater Diversion Structure, built in 1991 to divert water to Breton Sound. Satellite imagery data covering the period from 1974 to 2006 were analyzed by computing several spectral indices including NDVI, VI, IR/R, Sqrt IR/R, T-NDVI, and NDWI, as well as principle component analysis. The resulting enhanced images were classified into two classes, vegetation or open water. The ratios of vegetation to open water were then …
The Lsuno Workshop Theatre: The Little Theatre That Could, Pamela Graham Tanner
The Lsuno Workshop Theatre: The Little Theatre That Could, Pamela Graham Tanner
LSU New Orleans Theses and Dissertations
This brief history of the Workshop Theatre at Louisiana State University in New Orleans (LSUNO -- now UNO) relates events that played an important part in defining the racial integration of all student extracurricular activities at the university and the genesis of the current University of New Orleans (UNO) Department of Film, Theatre, and Communication Arts, during the period between the early 1950s and the early 1970s. The origin of the university is discussed briefly to inform the reader about the university's origin, its location, and how racial integration was advanced by actions at the Workshop Theatre. The remainder of …
The Village Of River Ranch: A Post Occupancy Evaluation Of A Traditional Neighborhood Development In Lafayette, Louisiana, Elizabeth A. Tomlinson
The Village Of River Ranch: A Post Occupancy Evaluation Of A Traditional Neighborhood Development In Lafayette, Louisiana, Elizabeth A. Tomlinson
LSU New Orleans Theses and Dissertations
The proponents of New Urbanism claim the neighborhoods they design, called Traditional Neighborhood Developments (TNDs), promote community, sense of place, physical health, and environmental sustainability. Critics assert that community is stressed at the expense of individuality, that design unity has become rigid uniformity, and that the neighborhoods are orchestrated and do not reflect real life. This thesis, a post occupancy evaluation (POE), examines how one TND works for its residents and whether it accomplishes the goals of the architect/planner. An additional, essential purpose of this POE is to serve the "feed-forward" role of informing future neighborhood planning projects. The Village …
Geomorphic History Of The Atchafalaya Backwater Area: Upper Deltaic Plain Development, Louis D. Britsch
Geomorphic History Of The Atchafalaya Backwater Area: Upper Deltaic Plain Development, Louis D. Britsch
LSU New Orleans Theses and Dissertations
Earlier researchers have produced conceptual models of Mississippi River delta plain development which divide the deltaic plain into upper and lower reaches. The upper deltaic plain has been described as an area composed mainly of lacustrine, lacustrine delta, backswamp, and crevasse channels, with minimal distributary development. The lower deltaic plain is characterized by numerous distributaries forming distributary systems and lobes. Detailed geomorphic mapping and chronologic reconstruction within the Atchafalaya Backwater Area of the upper deltaic plain of the Mississippi River has led to the recognition of a complex network of distributary development related to three distinct distributary systems that formed …
Microstructure-Property Relations Throughout The Powder Metallurgy Process, Laura Arias Tucker
Microstructure-Property Relations Throughout The Powder Metallurgy Process, Laura Arias Tucker
Theses and Dissertations
To produce crack free powder compacts with desirable mechanical properties and uniform densities, a predictive finite element simulation of the powder metallurgy process is necessary (compaction and sintering). The finite element method, through the use of appropriate constitutive material models captures the microstructure-property history after compaction and sintering. A FC-0205 cylinder and FC-0208 automotive main bearing cap were compacted to investigate the microstructure changes at different locations within the parts. Measurements of the pore volume fraction, pore size, pore nearest neighbor, pore aspect ratio, and grain size were performed after compaction for the cylinder after compaction and after compaction and …