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Articles 8041 - 8070 of 9491
Full-Text Articles in Entire DC Network
Traumatic Brain Injury: Cognitive Rehabilitation And Supported Employment, Randon Mckibbin
Traumatic Brain Injury: Cognitive Rehabilitation And Supported Employment, Randon Mckibbin
Occupational Therapy Capstones
A traumatic brain injury (TBI) is an injury to the brain, which results in dysfunction in an individual’s physical, cognitive, and pychosocial functioning. Currently, information on the effectiveness of therapeutic interventions for clients post- TBI is limited. Research has been conducted to develop overall recommendations for clinical practice with this population. It is of interest to the occupational therapy community and the clients that they serve to have a description of effective occupationbased activities, based on current literature, that also consider the functional gains made by clients overtime. This protocol considers the functional gains of the TBI client with a …
Étude Pluridisciplinaire Visant À Mettre Au Point Un Outil Expert Pour La Prédiction Du Comportement Des Remblais En Pâte, Mostafa Benzaazoua, Mamadou Fall, Serge Ouellet
Étude Pluridisciplinaire Visant À Mettre Au Point Un Outil Expert Pour La Prédiction Du Comportement Des Remblais En Pâte, Mostafa Benzaazoua, Mamadou Fall, Serge Ouellet
Rapports de recherche scientifique
Ce rapport synthèse traite du développement d’un outil expert d’aide à la prédiction et à l’optimisation des propriétés des remblais miniers cimentés en pâte. Il représente une synthèse des principaux résultats d’un projet financé par l’IRSST et qui s’intitule : « Étude pluridisciplinaire visant à mettre au point un outil expert pour la prédiction du comportement des remblais miniers en pâte ». En effet, vu la complexité du matériau « remblai en pâte » et les problèmes de sécurité potentiellement inhérents à ce dernier dans les chantiers miniers, il n’existe aujourd’hui aucune méthode réellement satisfaisante pour guider la conception des …
An Overview Of Reconstructability Analysis, Martin Zwick
An Overview Of Reconstructability Analysis, Martin Zwick
Complex Systems Faculty Publications and Presentations
This paper is an overview of reconstructability analysis (RA), a discrete multivariate modeling methodology developed in the systems literature; an earlier version of this tutorial is Zwick (2001). RA was derived from Ashby (1964), and was developed by Broekstra, Cavallo, Cellier Conant, Jones, Klir, Krippendorff, and others (Klir, 1986, 1996). RA resembles and partially overlaps log‐line (LL) statistical methods used in the social sciences (Bishop et al., 1978; Knoke and Burke, 1980). RA also resembles and overlaps methods used in logic design and machine learning (LDL) in electrical and computer engineering (e.g. Perkowski et al., 1997). Applications of RA, like …
Calibrating An Intracranial Pressure Dynamics Model With Clinical Data - A Progress Report, Wayne W. Wakeland, James Mcnames, Brahm Goldstein
Calibrating An Intracranial Pressure Dynamics Model With Clinical Data - A Progress Report, Wayne W. Wakeland, James Mcnames, Brahm Goldstein
Complex Systems Faculty Publications and Presentations
We describe the calibration of a computer model of intracranial pressure (ICP) dynamics to correspond with annotated clinical data taken from a patient being treated for elevated ICP due to a traumatic brain injury. The research protocol employed during treatment includes adjusting the elevation of the head of the bed, adjusting the ventilator settings to induce mild hyperventilation and hypoventilation, and adjusting the height of the cerebrospinal fluid drainage system. The model behavior corresponds to the experimental data quite well in the case of the changing the head of the bed, but less well in the case of changing the …
Reconstructability Analysis: Theory And Applications [Editorial Introduction], Martin Zwick, Guangfu Shu, Yi Lin
Reconstructability Analysis: Theory And Applications [Editorial Introduction], Martin Zwick, Guangfu Shu, Yi Lin
Complex Systems Faculty Publications and Presentations
Reconstructability analysis (RA) dates back to the pioneering work of Ashby in the mid-1960s. In the 1970s and 1980s, RA was the subject of very active research in the systems community. It receded for a time as a focus of activity, but the special issue of the International Journal of General Systems in 1996 on the General Systems Problem Solver and the special IJGS issue in 2000 on Reconstructability Analysis in China marked the renewal of interest in this area. The current volume is part of this resurgence of activity. It collects together papers from the group at Portland State …
A Test Of Bell’S Inequality For The Undergraduate Laboratory, Burton A. Betchart
A Test Of Bell’S Inequality For The Undergraduate Laboratory, Burton A. Betchart
Honors Papers
The thesis documents the work done over the year to initiate an undergraduate Advanced Laboratory experiment which tests Bell’s inequality. It provides reference theory for the experiment, including explanations of Bell inequalities, basics of nonlinear optics, type-I downconversion and entanglement, and polarization states of the entangled photons. A main result is the equipment and design proposal for the experiment, which will cost a total $19600, led in price by the $9000 of a four photodetector array and followed by the $5000 of a 405nm pump laser. Entangled photons are produced by pumping BBO in a two-crystal geometry. Although most of …
Probing The Interstellar Medium On Au Size Scales Using Pulsar Scintillation, Alexander S. Hill
Probing The Interstellar Medium On Au Size Scales Using Pulsar Scintillation, Alexander S. Hill
Honors Papers
We have used pulsar scintillation observations to probe the ionized component of the interstellar medium on AU size scales. Previous work had shown that the presence of scintillation arcs in pulsar secondary spectra requires that the scattering along the line of sight to the pulsar is dominated by a thin screen of scattering material. An isotropic image gives rise to a sharply delineated arc, while an anisotropic image with refractive "hot spots" elongated along the pulsar velocity vector gives rise to detailed substructure and arclets in the secondary spectrum. Twenty-five years of archival scintillation data from the Arecibo Observatory show …
Epibiont Guilds As Paleoecological Tools In Environmental Analysis: An Example From Modern And Ordovician Shell Substrates, Stacy M. Boore
Epibiont Guilds As Paleoecological Tools In Environmental Analysis: An Example From Modern And Ordovician Shell Substrates, Stacy M. Boore
Honors Papers
Paleocommunities of encrusting organisms exhibit characteristics that allow comparisons of modern and fossil systems and subsequent environmental analyses. Encrusting organisms attach to a substrate that is generally limited in area. Interactions between bionts and the host organism, and bionts and the environment, are preserved on epibiont encrusted fossils. Modern biont communities from known environments can be compared to fossil biont communities in order to determine the ancient environment experienced by that fossil. Using epibionts as a tool in paleo-environmental analyses employs the somewhat problematic idea that the present can be used as a key to the past. I suggest that …
Microstructures And Deformation In Some Fault Rocks From The Mcconnell Thrust At Mount Yamnuska (Alberta): Implications For Fluid Flow And Faulting And Cycles Of Strain-Hardening And Softening, Lowell Miyagi
Honors Papers
Fault rocks from the McConnell thrust consist of limestone mylonite, carbonate and shale cataclasites, and deformed sandstones. The limestone mylonite in the hanging wall mayor may not show different levels of cataclastic overprint. Just below these hanging wall rocks is a zone of comminuted material. This zone contains cataclasites that are produced by the mixing of hanging wall and footwall materials. Underneath this unit are the shale cataclasites of the footwall and beneath this are deformed sandstones that become progressively less deformed further from the fault zone. Based on microstructural evidence these rocks show cycles of mesoscopically brittle and ductile …
A Software Architecture For Reconstructability Analysis, Kenneth Willett, Martin Zwick
A Software Architecture For Reconstructability Analysis, Kenneth Willett, Martin Zwick
Complex Systems Faculty Publications and Presentations
Software packages for reconstructability analysis (RA), as well as for related log linear modeling, generally provide a fixed set of functions. Such packages are suitable for end‐users applying RA in various domains, but do not provide a platform for research into the RA methods themselves. A new software system, Occam3, is being developed which is intended to address three goals which often conflict with one another to provide: a general and flexible infrastructure for experimentation with RA methods and algorithms; an easily‐configured system allowing methods to be combined in novel ways, without requiring deep software expertise; and a system which …
Uniqueness Theorems In Bioluminescence Tomography, Ge Wang, Yi Li, Ming Jiang
Uniqueness Theorems In Bioluminescence Tomography, Ge Wang, Yi Li, Ming Jiang
Mathematics and Statistics Faculty Publications
Motivated by bioluminescent imaging needs for studies on gene therapy and other applications in the mouse models, a bioluminescence tomography (BLT) system is being developed in the University of Iowa. While the forward imaging model is described by the well-known diffusion equation, the inverse problem is to recover an internal bioluminescent source distribution subject to Cauchy data. Our primary goal in this paper is to establish the solution uniqueness for BLT under practical constraints despite the ill-posedness of the inverse problem in the general case. After a review on the inverse source literature, we demonstrate that in the general case …
Assessing Craftsmanship At Early Design In Product Development, Philip N. Miller
Assessing Craftsmanship At Early Design In Product Development, Philip N. Miller
Open Access Dissertations
Consumers now more than ever demand products with the highest quality possible. Often this demand for quality is expressed in craftsmanship. Craftsmanship was originally referred to as the quality of goods produced by the craftsman. Some view craftsmanship as a design issue while others emphasizes inspection and individual workmanship. Currently, most companies do not understand the role of craftsmanship in their products and need to be able to assess the craftsmanship of a product and choose the best from a number of competing designs at early stages of development. This dissertation first explored the relationship between a product's craftsmanship and …
College Of Pharmacy Entry Level Program Overview, Nova Southeastern University
College Of Pharmacy Entry Level Program Overview, Nova Southeastern University
Health Professions Divisions Course Catalogs and Course Descriptions
No abstract provided.
Minimum Wages, Inequality, And Globalization, T. H. Gindling, Katherine Terrell
Minimum Wages, Inequality, And Globalization, T. H. Gindling, Katherine Terrell
Michigan Journal of International Law
The authors argue in this paper that the institution of the minimum wage is also an important factor in explaining changes in earnings inequality in Costa Rica, and that it can be an important factor in many developing countries. This study is a departure from the literature on institutions and development, which tends to analyze the impact of a more generally defined set of institutions using data on a number of countries. In this paper the authors analyze detailed changes in one institution in one country, using panel data over time. They argue that it is important to understand how …
Population Pharmacokinetics Of Cyclosporine In Heart And Lung Transplant Patients, Gautam Baheti
Population Pharmacokinetics Of Cyclosporine In Heart And Lung Transplant Patients, Gautam Baheti
Open Access Master's Theses
Pharmacokinetics involves the analysis of plasma concentration and time data to obtain models that summarize the absorption, distribution and elimination parameters of a drug. The population approach to pharmacokinetics involves the estimation of mean pharmacokinetic parameters and their variability within the population.
Cyclosporine is a widely used immunosuppressive agent, and its pharmacokinetic parameters are characterized by a large variation in blood concentrations after oral or intravenous administration. Cyclosporine being a narrow therapeutic index drug is associated with significant consequences if the drug is present in 'sub-therapeutic' or 'supra-therapeutic' concentration. Optimization of therapy is challenging owing to variable pharmacokinetic parameters and …
Table Of Contents, Academy Editors
Table Of Contents, Academy Editors
Journal of the Arkansas Academy of Science
No abstract provided.
88th Annual Meeting, 2004. Secretary's Report And Financial Statement, Academy Editors
88th Annual Meeting, 2004. Secretary's Report And Financial Statement, Academy Editors
Journal of the Arkansas Academy of Science
No abstract provided.
88th Annual Meeting, 2004. Program, Academy Editors
88th Annual Meeting, 2004. Program, Academy Editors
Journal of the Arkansas Academy of Science
No abstract provided.
Tailwater Recovery Systems For Irrigation: Benefit/Cost Analysis And Water Resource Conservation Technique In Northeast Arkansas, Jennifer L. Bouldin, Nate A. Bickford, H. B. Stroud, G. S. Guha
Tailwater Recovery Systems For Irrigation: Benefit/Cost Analysis And Water Resource Conservation Technique In Northeast Arkansas, Jennifer L. Bouldin, Nate A. Bickford, H. B. Stroud, G. S. Guha
Journal of the Arkansas Academy of Science
Water, one of the earth's most vital resources, is particularly significant in the Arkansas Delta agricultural landscape. While both surface and groundwater are extremely important, 94% of the 26.9 billion L (7.1 billion gal) of water pumped daily from the Alluvial Aquifer is used for agricultural purposes. This common property is subsequently being depleted and sustainable conservation methods are being pursued. State and federal incentive programs encourage the use of a tailwater recovery system in agricultural irrigation. With the use of a complete recovery system, benefits include not only government incentives for wetland habitat, but reduced groundwater use and decreased …
Journal Of The Arkansas Academy Of Science - Volume 58 2004, Academy Editors
Journal Of The Arkansas Academy Of Science - Volume 58 2004, Academy Editors
Journal of the Arkansas Academy of Science
No abstract provided.
Impact Of Black Shale Weathering On Sediment Quality, G. M. Ogendi, R. E. Hannigan, Jerry L. Farris, D. Smith
Impact Of Black Shale Weathering On Sediment Quality, G. M. Ogendi, R. E. Hannigan, Jerry L. Farris, D. Smith
Journal of the Arkansas Academy of Science
Weathering of black shales leads to elevated metal concentrations in both surface water and stream sediments. In spite of the recent focus on black shales, few data exist on the ecological impacts of this process particularly on aquatic organisms. The key objective of this study was to determine the impact of trace metal concentrations in sediments upon aquatic organisms. To achieve the above objective, stream sediment samples were collected from streams draining black shale and limestone (used as a reference stream) lithologies located in central Arkansas between June 2003 and January 2004. Trace metal concentrations were measured by the dynamic …
Modeling Slope In A Geographic Information System, Robert C. Weih Jr., Tabitha L. Mattson
Modeling Slope In A Geographic Information System, Robert C. Weih Jr., Tabitha L. Mattson
Journal of the Arkansas Academy of Science
Geographic Information Systems (GIS) offer a cost-effective way to analyze and inventory land and environmental resources. There are many attributes that can be displayed and analyzed in GIS. One of these attributes is slope, which can be calculated from a digital elevation model (DEM). Slope is an important factor in a variety of models used in land analysis as well as land use and management. There are several different mathematical computational algorithms used to calculate slope within a GIS. Eight different slope calculation methods were investigated in this study. These methods were used to calculate slope using 10-m, 30-m, and …
Comparison Of Dissolved And Acid-Extractable Metal Concentrations In Groundwater, Eastern Arkansas, Burmshik Kim, Kenneth F. Steele, Todd Fugitt
Comparison Of Dissolved And Acid-Extractable Metal Concentrations In Groundwater, Eastern Arkansas, Burmshik Kim, Kenneth F. Steele, Todd Fugitt
Journal of the Arkansas Academy of Science
No abstract provided.
The Knight Volume 14: Issue 8, Nova Southeastern University
The Knight Volume 14: Issue 8, Nova Southeastern University
Student Newspapers
No abstract provided.
Psr J1829+2456: A Relativistic Binary Pulsar, D. J. Champion, D. R. Lorimer, M. A. Mclaughlin, James M. Cordes, Zaven Arzoumanian, Joel M. Weisberg, Joseph H. Taylor
Psr J1829+2456: A Relativistic Binary Pulsar, D. J. Champion, D. R. Lorimer, M. A. Mclaughlin, James M. Cordes, Zaven Arzoumanian, Joel M. Weisberg, Joseph H. Taylor
Physics and Astronomy Faculty Work
We report the discovery of a new binary pulsar, PSR J1829+2456, found during a mid-latitude drift-scan survey with the Arecibo telescope. Our initial timing observations show the 41-ms pulsar to be in a 28-hr, slightly eccentric, binary orbit. The advance of periastron ˙ω = 0 .28 ± 0 .01 deg yr − 1 is derived from our timing observations spanning 200 days. Assuming that the advance of periastron is purely relativistic and a reasonable range of neutron star masses for PSR J1829+2456 we constrain the companion mass to be between 1.22 M ⊙ and 1.38 M ⊙, making it likely …
A Combintorial Proof Of The Sum Of Q-Cubes, Kristina Garrett, Kristin Hummel
A Combintorial Proof Of The Sum Of Q-Cubes, Kristina Garrett, Kristin Hummel
Mathematics and Statistics Faculty Work
We give a combinatorial proof of a q-analogue of the classical formula for the sum of cubes.
First Upper Limits From Ligo On Gravitational Wave Bursts, Ligo Scientific Collaboration, Nelson Christensen
First Upper Limits From Ligo On Gravitational Wave Bursts, Ligo Scientific Collaboration, Nelson Christensen
Physics and Astronomy Faculty Work
We report on a search for gravitational wave bursts using data from the first science run of the Laser Interferometer Gravitational Wave Observatory ~LIGO! detectors. Our search focuses on bursts with durations ranging from 4 to 100 ms, and with significant power in the LIGO sensitivity band of 150 to 3000 Hz. We bound the rate for such detected bursts at less than 1.6 events per day at a 90% confidence level. This result is interpreted in terms of the detection efficiency for ad hoc waveforms ~Gaussians and sine Gaussians! as a function of their root-sum-square strain hrss ; typical …
2004-2005 Course Catalog, University Of Montana--Missoula. Office Of The Registrar
2004-2005 Course Catalog, University Of Montana--Missoula. Office Of The Registrar
University of Montana Course Catalogs, 1895-2024
An annual catalog of courses and course descriptions offered at the University of Montana.
Emergence Of Large Housepits| Climatological Factors Contributing To Changes In Diameter And Size Variability Of Housepits In The Mid-Fraser And South Thompson River Valleys, Jesse W. Adams
Graduate Student Theses, Dissertations, & Professional Papers
No abstract provided.
Space-Based Fundamental Research And The Itar: A Study In Vagueness, Overbreadth, And Prior Restraint, Rachel Lehmer Claus
Space-Based Fundamental Research And The Itar: A Study In Vagueness, Overbreadth, And Prior Restraint, Rachel Lehmer Claus
Santa Clara Journal of International Law
Fundamental research is openly conducted science and engineering research carried out at institutions of higher education in the United States. Faculty, students, collaborators and other researchers in these institutions engage in the free, constant and lively exchange of ideas with their peers in the U.S. and abroad. Based on changes made by Congress in 1999, universities operating in the public domain and carrying out unclassified space-based research in various disciplines may find that they are not allowed to involved foreign students, faculty and collaborators in the research unless they obtain an export license from the State department. Based on ITAR …