790 resultados para Highways.
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Cover Title: Wisconsin Highways
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Pub. by the Dept. of Agriculture, 1896-1899; by the Dept. of Public Works, 1900-1915: Dept. of Public Highways, 1916-1927
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Issued by Board of Hishway Commissioners, 1912/13-1917; by Dept. of Highways, 1917-1933/34; by Dept. of Highways and Transportation, 1934/35-
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Thesis (Ph.D.)--University of Washington, 2016-06
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Predatory mites (Acari: Mesostigmata) on tree trunks without significant epiphytic growth in a subtropical rainforest in Eastern Australia were assessed for habitat specificity (i.e. whether they are tree trunk specialists or occupying other habitats) and the influence of host tree and bark structure on their abundance, species richness and species composition. The trunks of nine tree species from eight plant families representing smooth, intermediate and rough bark textures were sampled using a knockdown insecticide spray. In total, 12 species or morphospecies of Mesostigmata (excluding Uropodina sensu stricto) were collected, most of which are undescribed. Comparison with collections from other habitats indicates that epicorticolous Mesostigmata are mainly represented by suspended soil dwellers (six species), secondarily by generalists (four species) and a bark specialist (one species). A typical ground-dwelling species was also found but was represented only by a single individual. In terms of abundance, 50.5% of individuals were suspended soil dwellers, 40.7% bark specialists, and 8.3% generalists. Host species and bark roughness had no significant effect on abundance or species richness. Furthermore, there was no clear effect on species composition. The distribution of the most frequently encountered species suggests that most mesostigmatid mites living on bark use many or most rainforest tree species, independent of bark roughness. These findings support the hypothesis that some epicorticolous Mesostigmata use tree trunks as 'highways' for dispersing between habitat patches, while others use it as a permanent habitat.
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Esta dissertação investiga a contribuição da revista Quatro Rodas como veículo de comunicação e agente de mudança cultural da sociedade e da imprensa brasileiras, a partir da instalação de indústrias nacionais e da adoção do carro como meio de transporte e símbolo de modernização econômica, urbana e social. Nesse sentido, contextualiza o período histórico nacional que vai da década de 1920 até o terceiro ano da publicação (1960 a 1963) e, por meio de estudo de caso, analisa o conteúdo de 58 reportagens das primeiras 36 edições reunidas em seis unidades de registro: urbanismo, medicina do trânsito, comportamento ao volante, segurança ao volante, mercado de compra e venda e mulheres e carros. O trabalho destaca a relevância da revista ao reunir de modo analítico e didático questões que envolviam os cidadãos, como motoristas ou pedestres, a indústria automobilística e as autoridades, na atribuição de, respectivamente, educar, avaliar e cobrar. Desse modo, a partir de agosto de 1960, Quatro Rodas contribui para abrir um novo campo na imprensa brasileira, antecipando questões ainda hoje presentes (e não resolvidas) nas ruas e estradas do país e desenhando o perfil do brasileiro e sua nascente paixão pelo automóvel.
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Wireless-communication technology can be used to improve road safety and to provide Internet access inside vehicles. This paper proposes a cross-layer protocol called coordinated external peer communication (CEPEC) for Internet-access services and peer communications for vehicular networks. We assume that IEEE 802.16 base stations (BS) are installed along highways and that the same air interface is equipped in vehicles. Certain vehicles locating outside of the limited coverage of their nearest BSs can still get access to the Internet via a multihop route to their BSs. For Internet-access services, the objective of CEPEC is to increase the end-to-end throughput while providing a fairness guarantee in bandwidth usage among road segments. To achieve this goal, the road is logically partitioned into segments of equal length. A relaying head is selected in each segment that performs both local-packet collecting and aggregated packets relaying. The simulation results have shown that the proposed CEPEC protocol provides higher throughput with guaranteed fairness in multihop data delivery in vehicular networks when compared with the purely IEEE 802.16-based protocol.