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207 Matching Results
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The Impact of Mental Aerobics Training on Older Adults
This article investigates the impact of mental aerobics on older adults. Findings support the conclusion that MA can be an effective intervention in improving older adults’ affectivity, everyday task self-efficacy, and self-rated health.
Date:
May 1, 2015
Creator:
Hayslip, Bert; Paggi, Kay & Caballero, Daniela
Object Type:
Article
System:
The UNT Digital Library
The Internet and College Students' Motivation to Vote
This article investigates the impact of the political information available on-line on college students’ motivation to vote. The results illustrate that not only politicians, but educators should be cognizant of this civic engagement process. Schools and teachers of all levels are one the front lines of the battle to create a more informed, more involved citizenry; higher education has a strong influence on motivation to vote.
Date:
March 1, 2004
Creator:
White, Amy E. & King, Kimi L.
Object Type:
Article
System:
The UNT Digital Library
Artificially Structured Boundary for a high purity ion trap or ion source
This article proposes a plasma enclosed by an Artificially Structured Boundary (ASB) as an alternative to existing ion source assemblies. In accelerator applications, many ion sources can have a limited lifetime or frequent service intervals due to sputtering and eventual degradation of the ion source assembly. Ions are accelerated towards the exit canal of positive ion sources, whereas, due to the biasing scheme, electrons or negative ions are accelerated towards the back of the ion source assembly.
Date:
March 27, 2014
Creator:
Pacheco, J. L.; Ordonez, Carlos A. & Weathers, Duncan L.
Object Type:
Article
System:
The UNT Digital Library
Phase space of positron trajectories exiting a charged particle source through a magnetic field point cusp
This article presents a configuration of magnetic fields using properties of cylindrically symmetric permanent magnets as a candidate to produce a high purity charged particle source or trap. Cylindrically symmetric hollow permanent magnets produce magnetic field point cusps on the axis of symmetry. A magnetic field point cusp reflects all particles that lie outside a narrow region of phase space, a region dependent on particle kinetic energies and on the magnetic field intensity.
Date:
December 30, 2013
Creator:
Kiester, A. S.; Pacheco, J. L.; Ordonez, Carlos A. & Weathers, Duncan L.
Object Type:
Article
System:
The UNT Digital Library
A New Way to Understand and Address Women’s Health in the Context of Complex Systems: Self-organizing Criticality
Article proposes applying concepts from nonlinear science developed and employed by physicists, economists, and meteorologists to women's health issues.
Date:
January 1, 2016
Creator:
Mancuso, Peggy; Liu, Fuqin; Restrepo, Elizabeth; Hamilton, Patricia; Grigolini, Paolo & Zou, Lin
Object Type:
Article
System:
The UNT Digital Library
Molecular Markers of Neuropsychological Functioning and Alzheimer's Disease
Article examines molecular markers of neuropsychological functioning among elders with and without Alzheimer's disease (AD) and determine the predictive ability of combined molecular markers and select neuropsychological tests in detecting disease presence. This work provides the foundation for the generation of a point‐of‐care device that can be used to screen for AD.
Date:
March 1, 2015
Creator:
Edwards, Melissa; Balldin, Valerie Hobson; Hall, James R. & O'Bryant, Sid E.
Object Type:
Article
System:
The UNT Digital Library
Effect of selection for commercially productive traits on the plasticity of cardiovascular regulation in chicken breeds during embryonic development
Article investigates basic cardiovascular physiology in the Red Junglefowl, the broiler, and the White Leghorn breeds at 90% of incubation. The authors aimed to identify breed-specific features of arterial blood pressure and heart rate as well as the physiological mechanisms regulating them. They concluded that selection for rapid growth shifts cardiovascular regulatory plasticity to emphasize mechanisms that modulate pressure, and that selection for egg-laying capacity emphasizes mechanisms that modulate heart rate.
Date:
October 1, 2012
Creator:
Crossley, Dane A., II & Altimiras, J.
Object Type:
Article
System:
The UNT Digital Library
Spatio-Temporal Distribution of Malaria in Yunnan Province, China
This article describes the use of GIS techniques to conduct temporal and spatial analyses of both P. vivax and P. falciparum malaria to understand the trend and dynamics of transmission, to identify risk periods and areas, and to determine environmental factors associated with increased risk of malaria.
Date:
September 1, 2009
Creator:
Hui, Feng-Ming; Xu, Bing; Chen, Zhang-Wei; Cheng, Xiao; Liang, Lu; Huang, Hua-Bing et al.
Object Type:
Article
System:
The UNT Digital Library
Legislative Ambiguity and Ontological Hierarchy in US Sacred Land Law
This article demonstrates instances in which sacred site law was construed so narrowly as to a priori preclude indigenous ways of knowing, particularly in regards to the nature of land, use of sacred objects, and pollution.
Date:
September 1, 2017
Creator:
Dunstan, Adam
Object Type:
Article
System:
The UNT Digital Library
Ionised outflows in z ~ 2.4 quasar host galaxies
This article presents a kinematical analysis of the [OIII]λ5007 emission line observed in six high-luminosity quasars at z ~ 2.4.
Date:
August 1, 2015
Creator:
Carniani, Stefano; Marconi, Alessandro; Maiolino, Roberto; Balmaverde, Barbara; Brusa, Marcella; Cano-Díaz, Mariana et al.
Object Type:
Article
System:
The UNT Digital Library
Crystal structure of 1,3-bis(hydroxymethyl)-2-oxaadamantane, C₁₁H₁₈O₃
This article describes the crystal structure of 1,3-bis(hydroxymethyl)-2-oxaadamantane, C₁₁H₁₈O₃.
Date:
April 1, 2001
Creator:
Bryan, J.C.; Mlinarić-Majerski, K.; Kragol, G. & Marchand, A.P.
Object Type:
Article
System:
The UNT Digital Library
The Riemann hypothesis illuminated by the Newton flow of ζ
This article analyzes the Newton flow of the Riemann zeta function and rederives in an elementary way the Riemann-von Mangoldt estimate of the number of non-trivial zeros below a given imaginary part.
Date:
October 1, 2015
Creator:
Neuberger, J. W.; Feiler, C.; Maier, H. & Schleich, W. P.
Object Type:
Article
System:
The UNT Digital Library
Health Behavior and Behavioral Economics: Economic Preferences and Physical Activity Stages of Change in a Low-Income African American Community
This article examines the relationship between physical activity stages of change and preferences for financial risk and time.
Date:
June 7, 2012
Creator:
Leonard, Tammy; Shuval, Kerem; de Oliveira, Angela; Sugg Skinner, Celette; Eckel, Catherine & Murdoch, James
Object Type:
Article
System:
The UNT Digital Library
What Can We Learn about Dispersion from the Conformer Surface of n-Pentane?
This article maps the torsional surface of n-pentane to 10-degree resolution at the CCSD(T)-F12 level near the basis set limit.
Date:
February 8, 2013
Creator:
Martin, Jan M. L.
Object Type:
Article
System:
The UNT Digital Library
Halogen Bonds: Benchmarks and Theoretical Analysis
This article describes an extensive survey of wave function and DFT methods to test their accuracy on geometries and dissociation energies of halogen bonds.
Date:
March 1, 2013
Creator:
Kozuch, Sebastian & Martin, Jan M. L.
Object Type:
Article
System:
The UNT Digital Library
Quantum Irreversibility and Chaos
This article establishes a relation between quantum irreversibility and the chaotic semi-classical solutions for a spin-boson Hamiltonian system.
Date:
February 1, 1997
Creator:
West, Bruce J.; Grigolini, Paolo; Bonci, Luca & Roncaglia, Roberto
Object Type:
Article
System:
The UNT Digital Library
Arabidopsis Thaliana--Myzus Persicae Interaction: Shaping the Understanding of Plant Defense Against Phloem-Feeding Aphids
This review article summarizes recent studies that have exploited the compatible interaction between Arabidopsis and the green peach aphid (GPA) to understand the molecular and physiological mechanisms utilized by plants to control aphid infestation, as well as genes and mechanisms that contribute to susceptibility.
Date:
July 1, 2013
Creator:
Louis, Joe & Shah, Jyoti
Object Type:
Article
System:
The UNT Digital Library
Developmental plasticity of mitochondrial function in American alligators, Alligator mississippiensis
This article investigates the effects of chronic developmental hypoxia on cardiac mitochondrial function in embryonic and juvenile American alligators (Alligator mississippiensis).
Date:
October 1, 2016
Creator:
Galli, Gina L. J.; Crossley, Janna; Elsey, Ruth M.; Dzialowski, Edward M. (Edward Michael); Shiels, Holly A. & Crossley, Dane A., II
Object Type:
Article
System:
The UNT Digital Library
Salt Sensitivity of the Morphometry of Artemia Franciscana During Development: A Demonstration of 3d Critical Windows
This article uses a 3D conceptual farmework of 'critical windows' to examine whether the morphometry of Artemia franciscana is altered by salinity exposure during certain key periods of development.
Date:
December 1, 2015
Creator:
Mueller, Casey A.; Willis, Eric & Burggren, Warren W.
Object Type:
Article
System:
The UNT Digital Library
Bold-Independent Computational Entropy Assesses Functional Donut-Like Structures in Brain fMRI Images
This article introduces a novel technique of fMRI images analysis, called computational proximity method, i.e., nucleus clustering in Voronoï tessellations.
Date:
February 1, 2017
Creator:
Peters, James F.; Ramanna, Sheela; Tozzi, Arturo & Inan, Ebubekir
Object Type:
Article
System:
The UNT Digital Library
Extreme Empiricism: John Howard, Poetry, and the Thermometrics of Reform
This article examines an outpouring of printed poems and biographical publications in the 1780s and 1790s that sought to shape the public image of the celebrated prison reformer John Howard
Date:
January 1, 2016
Creator:
Cervantes, Gabriel & Porter, Dahlia
Object Type:
Article
System:
The UNT Digital Library
Carbon-Hydrogen Bond Activation, C-N Bond Coupling, and Cycloaddition Reactivity of a Three-Coordinate Nickel Complex Featuring a Terminal Imido Ligand
In this study, we describe reaction chemistry of the first nickel(II) complexes having a terminally bound imido ligand, (dtbpe)Ni=NR (R = 2,6-ⁱPr₂C₆H₃, 2,3,6-Me₃C₆H₂ (Mes), and Ad) with various small unsaturated molecules.
Date:
December 1, 2014
Creator:
Mindiola, Daniel J.; Waterman, Rory; Iluc, Vlad M.; Cundari, Thomas R., 1964- & Hillhouse, Gregory L.
Object Type:
Article
System:
The UNT Digital Library
A New Way to Understand and Address Women's Health in the Context of Complex Systems: Self-organizing Criticality
This article examines how self-organizing criticality can assist in answering complex questions in health and health care systems.
Date:
January 1, 2016
Creator:
Mancuso, Peggy; Liu, Fuqin; Restrepo, Elizabeth; Hamilton, Patricia; Grigolini, Paolo & Zou, Lin
Object Type:
Article
System:
The UNT Digital Library
A determination of the spatial concordance between Lyme disease incidence and habitat probability of its primary vector Ixodes scapularis (black-legged tick)
This article involves mapping the probability of occurrence that the disease vector exists in the environment, mapping the incidence of Lyme disease in the human population and examining the spatial concordance between the probability map and incidence map.
Date:
November 1, 2014
Creator:
Atkinson, Samuel F.; Sarkar, Sahotra; Avina, Aldo; Schuermann, Jim A. & Williamson, Phillip C.
Object Type:
Article
System:
The UNT Digital Library