78 resultados para Burroughs


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The Martian novels of Edgar Rice Burroughs (ERB) provide an early paradigm of racial toleration by displacing the heterogeneous race conflicts of the U. S. to an interplanetary location. There, the protagonist John Carter, representing Burroughs himself, introduces a level of racial acceptance and integration almost unheard of on the Earth of that era (the early twentieth century).

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Faculty in the Department of Animal Science initiated soliciting of funds in 1987 to establish a permanent endowment to recognize the distinguished career and major contributions of Dr. Wise Burroughs, a distinguished professor in animal science at Iowa State University. The endowment was established in the Iowa State University Foundation in 1991. The purpose of the fund is to support research and graduate education in the areas of fundamental factors regulating growth in food-producing animals, with emphasis on ruminants; to enhance growth of animals with the goal of improving the competitive position of ruminants as food-producing animals; and to develop innovative approaches to ruminant nutrition and/or growth enhancement as a means to improve desirability of meat produced by food animals. Dr. Burroughs’ research resulted in important and significant developments in technology for modern production systems for beef cattle. He was widely known for his ability to communicate complex ideas and research results for use by those involved in the animal industry. The current Burroughs Team has established three research projects: 1) Ghrelin--How does ghrelin affect blood and body composition in rats?; 2) Use of 25- hydroxyvitamin D3 to improve tenderness of beef; 3) Redesigning beef cattle to have a more healthful fatty acid composition.

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Originally presented as the author's thesis, University of Illinois at Urbana-Champaign.

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Title vignettes.

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Title vignettes.

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v.1. Wake-robin.--v.2. Winter sunshine.--v.3. Locusts and wild honey.--v.4. Fresh fields.--v.5. Indoor studies.--v.6. Birds and poets, with other papers.--v.7. Pepaction and other sketches.--v.8. Signs and seasons. --v.9. Riverby.--v.10. Light of day.--v.11. Ways of nature.--v.12. Literary values.--v.13. Far and near.--v. 14. Leaf and tendril.--v.15. Time and change.--v.16. Summit of the years.--v.17. Breath of life.--v.18. Whitman: a study.--v.19. Under the apple trees.--v. 20. Field and study.--v.21. Accepting the universe.--v.22 Under the maples.

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"Autograph edition limited to 750 copies."

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Mode of access: Internet.

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Background: The malaria parasite Plasmodium falciparum exhibits abundant genetic diversity, and this diversity is key to its success as a pathogen. Previous efforts to study genetic diversity in P. falciparum have begun to elucidate the demographic history of the species, as well as patterns of population structure and patterns of linkage disequilibrium within its genome. Such studies will be greatly enhanced by new genomic tools and recent large-scale efforts to map genomic variation. To that end, we have developed a high throughput single nucleotide polymorphism (SNP) genotyping platform for P. falciparum. Results: Using an Affymetrix 3,000 SNP assay array, we found roughly half the assays (1,638) yielded high quality, 100% accurate genotyping calls for both major and minor SNP alleles. Genotype data from 76 global isolates confirm significant genetic differentiation among continental populations and varying levels of SNP diversity and linkage disequilibrium according to geographic location and local epidemiological factors. We further discovered that nonsynonymous and silent (synonymous or noncoding) SNPs differ with respect to within-population diversity, interpopulation differentiation, and the degree to which allele frequencies are correlated between populations. Conclusions: The distinct population profile of nonsynonymous variants indicates that natural selection has a significant influence on genomic diversity in P. falciparum, and that many of these changes may reflect functional variants deserving of follow-up study. Our analysis demonstrates the potential for new high-throughput genotyping technologies to enhance studies of population structure, natural selection, and ultimately enable genome-wide association studies in P. falciparum to find genes underlying key phenotypic traits.