984 resultados para Walker, Derrick


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Indenture of deed of land situate between Henry Hope Graham and Robert Hill, both of London, England called England Esquire Executors and Trustees under the Last Will and Testament of Lieutenant General Percy Hill of London, England to Joseph Walker of Queenston, Ontario. This is in regard to parts of Lots no. 113, 114 and 115 in the Township of Niagara. This was registered on Nov. 10, 1885 – instrument no. 2075, Oct. 31, 1885.

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Indenture of deed of land situate between Joseph Walker of Niagara Township and Jacob M. Field of the Township of South Grimsby regarding parts of Lots no. 113, 114 and 115 in the Township of Niagara. This was registered on Nov. 10, 1885 – instrument no. 2076, Oct. 31, 1885.

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Indenture of deed for taxes between Benjamin Walker Smith, sheriff of the County of Simcoe and Joseph A. Woodruff of the Town of Clifton for 98 acres in the Township of Tiny in the County of Simcoe, Lot no. 15 in the 18th Concession, Dec. 12, 1861.

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Tesis (Maestría en Ciencias con Especialidad en Entomología Médica) U.A.N.L.

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Desde el segundo gobierno de George Walker Bush, estudiosos de las Relaciones Internacionales, analistas políticos, periodistas y los medios de comunicación en general, manifestaron su preocupación por el lenguaje religioso que dicho presidente usaba en sus discursos, y por la forma como las posturas religiosas del gobierno Bush estaban afectando la política exterior de los Estados Unidos. Surgieron hipótesis que indicaban una fuerte influencia evangélica en la toma de decisiones del mandatario norteamericano en los temas internacionales, sobresaliendo en estas consideraciones las relaciones entre Estados Unidos e Israel. El hecho de que las ideas religiosas se mezclaran con la política y pudiesen dirigir las relaciones entre los Estados causo bastante conmoción. Especialmente en un país donde la religión y la política se creían separadas una de la otra. Una relación digna de ser analizada en la medida en que parecía estar afectando la política de Estados Unidos hacia Medio Oriente; punto clave de los temas geopolíticos más críticos de hoy en día como lo son el terrorismo, el petróleo y el llamado “choque de civilizaciones”. La cooperación entre Estados Unidos e Israel y la política exterior estadounidense hacia el Medio Oriente fueron temas prioritarios en la agenda de la administración de George W.Bush. La cuestión clave era entonces comprobar si efectivamente dichas políticas fueron una en prioridad debido a la presión de los grupos evangélicos en el gobierno republicano de Bush hijo, o por el contrario, si la política de cooperación con Israel respondía más a una política de Estado que trasciende la coyuntura del gobierno Bush.

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Este estudio de caso, pretende analizar el uso de las herramientas de marketing político, desde las elecciones primarias hasta la elección presidencial en el 2004 en Estados Unidos, en la que George W. Bush del Partido Republicano busca la reelección frente a su rival John F. Kerry del Partido Demócrata.

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Colección de treinta historias y poemas de amor para los niños pequeños, entre los que se encuentran: 'Miss Polly', 'Clown', 'The Big Big Sea', 'The Elephant Tree'.

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The Walker circulation is one of the major components of the large-scale tropical atmospheric circulation and variations in its strength are critical to equatorial Pacific Ocean circulation. It has been argued in the literature that during the 20th century the Walker circulation weakened, and that this weakening was attributable to anthropogenic climate change. By using updated observations, we show that there has been a rapid interdecadal enhancement of the Walker circulation since the late 1990s. Associated with this enhancement is enhanced precipitation in the tropical western Pacific, anomalous westerlies in the upper troposphere, descent in the central and eastern tropical Pacific, and anomalous surface easterlies in the western and central tropical Pacific. The characteristics of associated oceanic changes are a strengthened thermocline slope and an enhanced zonal SST gradient across the tropical Pacific. Many characteristics of these changes are similar to those associated with the mid-1970s climate shift with an opposite sign. We also show that the interdecadal variability of the Walker circulation in the tropical Pacific is inversely correlated to the interdecadal variability of the zonal circulation in the tropical Atlantic. An enhancement of the Walker circulation in the tropical Pacific is associated with a weakening zonal circulation in the tropical Atlantic and vise versa, implying an inter-Atlantic-Pacific connection of the zonal overturning circulation variation. Whether these recent changes will be sustained is not yet clear, but our research highlights the importance of understanding the interdecadal variability, as well as the long-term trends, that influence tropical circulation.

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Horizontal gene transfer is an important driver of bacterial evolution, but genetic exchange in the core genome of clonal species, including the major pathogen Staphylococcus aureus, is incompletely understood. Here we reveal widespread homologous recombination in S. aureus at the species level, in contrast to its near-complete absence between closely related strains. We discover a patchwork of hotspots and coldspots at fine scales falling against a backdrop of broad-scale trends in rate variation. Over megabases, homoplasy rates fluctuate 1.9-fold, peaking towards the origin-of-replication. Over kilobases, we find core recombination hotspots of up to 2.5-fold enrichment situated near fault lines in the genome associated with mobile elements. The strongest hotspots include regions flanking conjugative transposon ICE6013, the staphylococcal cassette chromosome (SCC) and genomic island νSaα. Mobile element-driven core genome transfer represents an opportunity for adaptation and challenges our understanding of the recombination landscape in predominantly clonal pathogens, with important implications for genotype–phenotype mapping.

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The courtship behavior of the navel orangeworm, Amyelois transitella, was examined in a wind tunnel. Sixty nine courtship sequences were analyzed and successful sequences divided into two categories: rapid courtship sequences, which involved few breaks in contact, short or no periods of male/female chasing and lasted <10 s between initial contact and mating; and prolonged courtship sequences, which involved many breaks in contact, extended periods of male/female chasing and lasted >10 s. Fifty six (81%) courtships were successful (50.7% rapid courtship and 30.4% prolonged courtship); the remaining 13 (18.8%) sequences were failed courtships. Of failed courtships, 9 (13.0%) were due to males losing contact with females during courtship chases and 4 (5.8%) due to females flying away immediately after male contact. Of all courtship sequences involving a break in contact during a chase, 38.5% resulted in an unsuccessful mating attempt. These findings contrast with previous studies of the courtship behavior of the navel orangeworm, potentially indicating that the type of bioassay used to study courtship may have a large effect on the behavioral sequences displayed. We evaluate several diagnostic techniques for the analysis of sequences of behavioral transitions.

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Fish oil supplementation has been shown to improve the cachectic state of tumor-bearing animals and humans. Our previous study showed that fish oil supplementation (1 g per kg body weight per day) for 2 generations had anticancer and anticachetic effects in Walker 256 tumor-bearing rats as demonstrated by reduced tumor growth and body weight loss and increased food intake and survival. In this study, the effect of fish oil supplementation for 2 generations on membrane integrity, proliferation capacity, and CD4/CD8 ratio of lymphocytes isolated from mesenteric lymph nodes, spleen, and thymus of Walker 256 tumor-bearing animals was investigated. We also determined fish oil effect on plasma concentration and ex vivo production of cytokines [tumor necrosis factor-alpha (TNF-alpha), interferon-gamma (IFN-gamma), interleukin-4 (IL-4), IL-6, and IL-10]. Lymphocytes from thymus of tumor-bearing rats presented lower viability, but this change was abolished by fish oil supplementation. Tumor growth increased proliferation of lymphocytes from all lymphoid organs, and fish oil supplementation abolished this effect. Ex vivo production of TNF-alpha and IL-6 was reduced in supplemented animals, but IL-4 and IL-10 secretion was stimulated in both nontumor and tumor-bearing rats. IL-10 and IFN-gamma plasma levels was also decreased in supplemented animals. These results suggest that the anticachetic effects of fish oil supplementation for a long period of time (2 generations) in Walker 256 tumor-bearing rats may be associated to a decrease in lymphocyte function as demonstrated by reduced viability, proliferation capacity, and cytokine production.