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Search Results: 1 - 10 of 3642 matches for " Kathie Meyer "
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Female Agassiz’s desert tortoise activity at a wind energy facility in southern California: The influence of an El Niño event  [PDF]
Josh R. Ennen, Kathie Meyer, Jeffrey Lovich
Natural Science (NS) , 2012, DOI: 10.4236/ns.2012.41006
Abstract: We compared spring-summer activity of adult female Agassiz’s Desert Tortoises (Gopherus agassizii) among three consecutive years (1997, 1998, and 1999) that differed dramatically in winter rainfall and annual plant production at a wind energy facility in the Sonoran Desert of southern California. Winter rainfall was approximately 71%, 190%, and 17% of the long-term average (October-March = 114 mm) for this area in water years (WY) 1997, 1998, and 1999, respectively. The substantial precipitation caused by an El Ni?o Southern Oscillation (ENSO) event in WY 1998 produced a generous annual food plant supply (138.2 g dry biomass/ m2) in the spring. Primary production of winter annuals during below average rainfall years (WY 1997 and WY 1999) was reduced to 98.3 and 0.2 g/m2, respectively. Mean rates of movement and mean body condition indices (mass/length) did not differ significantly among the years. The drought year following ENSO (WY 1999) was statistically similar to ENSO in every other measured value, while WY 1997 (end of a two year drought) was statistically different from ENSO using activity area, minimum number of burrows used, and percentage of non-movements. Our data suggest that female G. agassizii activity can be influenced by environmental conditions in previous years.
Sentidos da violência ou a violência sem sentido: o olhar dos adolescentes sobre a mídia
Njaine, Kathie;
Interface - Comunica??o, Saúde, Educa??o , 2006, DOI: 10.1590/S1414-32832006000200008
Abstract: this is a qualitative study that seeks to identify the significance attributed by adolescents to violence disseminated by the media, especially on television, and how this group interacts with this media. the study hopes to increase understanding on how the phenomenon of violence divulged by television is interpreted, incorporated, or not by adolescents in their day to day. focus groups with seventh and eighth-grade students from the city of s?o gon?alo, state of rio de janeiro, were interviewed in two public schools and two private schools. the study concludes that one of the public health challenges is to expand its activities in preventing violence given the important role media has in regard to how violence is perceived. the study identified, as a positive aspect of the media, its assistance in education and promoting child and adolescent health.
Ilana Shiloh - Paul Auster and Postmodern Quest: on the Road to Nowhere
Kathie Birat
E-rea : Revue électronique d’études sur le Monde Anglophone , 2003,
Abstract: The text of this review is available in PDF format
Seeking Sam Selvon: Michel Fabre and the Fiction of the Caribbean
Kathie Birat
Transatlantica : Revue d'études Américaines , 2009,
Abstract: In his introduction to the special issue of Commonwealth dedicated to Michel Fabre, Jean-Pierre Durix refers to Fabre’s curiosity and his desire to explore literatures outside of his explicit area of specialisation. Michel Fabre gave considerable attention to Caribbean literature and helped to define the place of authors like the Guyanese novelist Wilson Harris and the Saint Lucian poet Derek Walcott. Among the Caribbean writers who attracted his attention was Sam Selvon, a Trinidadian noveli...
Mídia e violência urbana
Njaine Kathie
Cadernos de Saúde Pública , 1994,
Abstract:
Theoretical Study of the Stability of $\mathrm{Au_nGe_{m}}$ Clusters
Danielle McDermott,Kathie E. Newman
Physics , 2014, DOI: 10.1140/epjd/e2015-50607-910
Abstract: We investigate the properties of clusters formed from two connected $\mathrm{Ge_{m}}$ cage-like clusters, such as experimentally synthesized $\mathrm{Au_3Ge_{18}^{5-}}$, using first-principles DFT methods. We focus particularly on $\mathrm{Au_nGe_{12}^{q-}}$ formed from $\mathrm{Ge_{6}}$, where $n=0-3$ and $q=0,2$. We examine the geometries, electronic structure, and thermal excitations of these clusters using the SIESTA code, where we test stability using short molecular dynamics simulations. Our examination of intercluster bridges between $\mathrm{Ge_{m}}$, formed of either Ge-Ge or Au-Ge bonds, indicates that the overlap of interacting molecular orbitals of $\mathrm{Ge_{m}}$~can either bind a cluster together or tear it apart depending on the orientation of the bridging atoms with respect to the cages. We characterize the properties of stable isomers of neutrally charged $\mathrm{AuGe_{12}}$ and $\mathrm{Au_2Ge_{12}}$, seeing that radially directed molecular orbitals stabilize $\mathrm{AuGe_{12}}$ while a geometric asymmetry stabilizes $\mathrm{Au_2Ge_{12}}$ and $\mathrm{Au_3Ge_{18}}$. We examine a two-dimensional $_2^\infty[\mathrm{Au_2Ge_{6}}]$ structure, finding it more stable than other periodic $[\mathrm{Au_nGe_{6}}]$ subunits. We observe no stable neutral isomers of $\mathrm{Au_3Ge_{12}}$, but see that additional charge supports isomers of both $\mathrm{Au_2Ge_{12}}$ and $\mathrm{Au_3Ge_{12}}$.
Public health education: A report from Mosul and a plan for change
Gail D Hughes, Ally Mack, Kathie Golden
BMC Public Health , 2005, DOI: 10.1186/1471-2458-5-29
Abstract: To revitalize public health education, we describe a partnership between a US education consortium and the University of Mosul that will be carried out in the next several years. The plan is based on "three R's": Recovery from the past damage due to war and neglect; Retooling of key public health faculty to remedy the years of isolation and restriction of activity; and Reestablishment of the University as a resource for the its constituents, for the community and for other educational institutions. In all these activities, Iraqi minorities, especially women, will participate and contribute.The work to repair the public health educational infrastructure has just begun. When completed, it will represent a small but necessary step in restoring normalcy to the people of Mosul, and of Iraq.Today Iraq is a country plagued by poverty, deprivation, and disease. The war with Iran in the 1980's, the Persian Gulf War in 1991, a crippling economic blockade with lasting economic sanctions, and finally the recent war to oust the Hussein regime from power have caused severe shortages of food, medicine, clean water and adequate sanitation. The current state of the health system has been described as "a shambles" (Aziz, 2003).The problems are both acute and chronic. Malnutrition, high rates of communicable diseases, and increased mortality have been documented by Iraqi scholars and international researchers. Children, who comprise nearly half the Iraqi population (UNICEF, 2003. At a glance: Iraq) are most vulnerable and have been most studied. Jawadi found that 38 percent of 1881 children ranging in age from newborn to five who attended a Mosul healthcare center were chronically malnourished and 30 percent suffered wasting attributable to "the increase of water-borne diseases like severe gastroenteritis together with the shortage of basic food" (Al-Jawadi, 1996). A later investigation reported increased mortality as the result (Al-Jawadi, 1999). UNICEF studies confirm these findings
Influence of genes, sex, age and environment on the onset of autoimmune hepatitis
Kathie Béland, Pascal Lapierre, Fernando Alvarez
World Journal of Gastroenterology , 2009,
Abstract: The pathogenesis of autoimmune hepatitis (AIH) is complex. However, it is believed that a susceptible individual, owing to his genetic background, sex and age, can develop the disease following exposure to an environmental trigger. Autoimmune hepatitis does not follow a Mendelian pattern of inheritance; hence no single causative genetic locus has been identified. However, several genes, inside and outside the HLA locus, have been linked to an increased susceptibility to AIH. Epidemiological evidence also suggests that the sex and age of the patient plays a role in AIH pathogenesis as the disease onset occurs mainly in the two first decades of life and a higher disease incidence is observed in females. No environmental trigger has been identified, but several have been proposed, mainly viruses and xenobiotics. This article aims at reviewing the current knowledge on susceptibility factors leading to AIH and putative triggers, emphasizing fundamental mechanisms responsible for the break of liver immunological tolerance.
On the structure of (pan, even hole)-free graphs
Kathie Cameron,Steven Chaplick,Chinh T. Hoang
Computer Science , 2015,
Abstract: A hole is a chordless cycle with at least four vertices. A pan is a graph which consists of a hole and a single vertex with precisely one neighbor on the hole. An even hole is a hole with an even number of vertices. We prove that a (pan, even hole)-free graph can be decomposed by clique cutsets into essentially unit circular-arc graphs. This structure theorem is the basis of our $O(nm)$-time certifying algorithm for recognizing (pan, even hole)-free graphs and for our $O(n^{2.5}+nm)$-time algorithm to optimally color them. Using this structure theorem, we show that the tree-width of a (pan, even hole)-free graph is at most 1.5 times the clique number minus 1.
Carbon Doped Nano-Crystalline TiO2 Photo-Active Thin Film for Solid State Photochemical Solar Cells  [PDF]
Raymond Taziwa, Edson Meyer
Advances in Nanoparticles (ANP) , 2014, DOI: 10.4236/anp.2014.32008
Abstract:

Carbon doped titanium dioxide (C-TiO2) is considered as a promising photocatalytic material due to its optical absorption extended in the visible region compared to pure TiO2. However, in the field of photovoltaic’s, use of C-doped nano-crystalline titanium dioxide (C-TiO2) electrodes for light absorption has been considered to be unnecessary so far. In this context, we report here on the use of C-TiO2 nano-crystalline electrodes in photochemical solar cells devices (PCSC). Carbon doping has reduced the band gap of TiO2 to 2.41 eV and 2.25 eV with increase in the doping extent for the 9 mM C-TiO2 and 45 mM C-TiO2 respectively. The C-TiO2 electrodes were first used as photo electrodes for solar cells, exhibiting JSC of 1.34651 mA/cm2, VOC 0.683 V, FF 50.23% and η 0.46%. for the 9 mM C-TiO2

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