998 resultados para Meerman, Johan, 1753-1815.
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Bibliographies at ends of chapters.
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Portada a dos tintas con grabado calcográfico firmado: "J. V. Schey del. et sculp. 1751"
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Translated by Robert Bland and Anne Plumptre.
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"Parts 1 and 2 of vol. 6 were reported by Maddock : part 3 (pp. 287-402), by T. C. Geldart ... It is now usually bound and cited as 6 Maddock."--Soule, Lawyer's ref. manual, 1884.
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Mode of access: Internet.
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O texto apresenta breve introdução à vida e à obra de Giovanni Angelo Brunelli (1722-1804), astrônomo bolonhês que participou da primeira Comissão Demarcadora de Limites entre as possessões de Portugal e Espanha na América do Sul, de 1753 a 1761, a serviço da Coroa lusitana. Em seguida, são publicados os três trabalhos de Brunelli sobre a Amazônia brasileira, tendo como temas a pororoca (1767), a mandioca (1767) e o rio Amazonas (1791); e dois outros documentos relacionadas à comissão, um ofício no qual Brunelli reclama a coordenação dos trabalhos de cartografia (1752) e um rascunho do diário de viagem do astrônomo até o rio Negro (1754). Todos esses documentos foram traduzidos ao português, pela primeira vez, do latim e do italiano.
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Alexandre Oliveira Almeida, Emerson Contreira Mossolin, and Joaldo Rocha Luz (2010) Reproductive biology of the freshwater shrimp Atya scabra (Leach, 1815) (Crustacea: Atyidae) in Ilheus, Bahia, Brazil. Zoological Studies 49(2): 243-252. Reproduction and population aspects of the freshwater shrimp Atya scabra in the Santana River, city of Ilheus, state of Bahia, Brazil, were studied from Apr. 2004 to May 2005. During these 14 mo, 3752 individuals were captured, with a sex ratio of 1.01 males for each female. The total number of individuals caught per month ranged 80-532. Males were generally larger than females. The smallest female found (5.40 mm in carapace length and 29.03 mm in total length) was ovigerous, which indicates that only adult individuals were caught. Ovigerous females were found every month, which indicates continuous reproduction and a high index of reproductive activity during the year. The highest reproduction indices were observed in May (94.3%) and Oct. (98.6%) 2004, and Mar. (93.7%) 2005. Fecundity ranged 870-8907 eggs, with a mean of 3811 (+/- 1992.87) eggs per female. The size of the females and their fecundity were positively correlated. The distribution of individuals in length classes by month showed that representatives of smaller classes occurred throughout almost the entire study period. This indicates a constant input of individuals into the population, which corroborates the characterization of the reproductive period as being continuous, and explains the large numbers of ovigerous females found each month. The 2nd abdominal segment is proportionally larger in females than in males, in width, height, and pleural length: these female secondary characteristics are related to an increased incubation area for eggs. http://zoolstud.sinica.edu.tw/Journals/49.2/243.pdf
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Entre o Congresso de Viena, no qual estiveram representados apenas 8 Estados "cristãos", as conferências da paz da Haia e o tratado de Versalhes, que envolveram pouco mais de duas dezenas de países, e o atual sistema onusiano, praticamente universal, a sociedade internacional conheceu uma profunda democratização nos últimos dois séculos, mesmo se os fundamentos do poder não tenham conhecido modificação substancial. Esse fenômeno de ampliação da antiga "democracia censitária" é particularmente visível na elaboração de normas e instituições para o relacionamento econômico internacional, onde as organizações multilaterais de cooperação técnica desempenham relevante papel na construção da interdependência. Este ensaio histórico segue, na longa duração, a evolução do multilateralismo, fundamentalmente em sua vertente econômica, e examina a inserção internacional do Brasil, um dos poucos países da periferia a terem participado ativamente da construção da "ordem econômica internacional" em várias épocas, através de uma ativa participação nas mais diversas conferências multilaterais que presidiram ao nascimentos dessas organizações intergovernamentais de cooperação.
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The action of extracts from the stem, leaves, and fruit of Jatropha gossypiifolia on Biomphalaria glabrata was studied by analyzing survival, feeding capacity and oviposition ability. The extracts were obtained by macerating the plant parts in 92% ethanol, which were then evaporated until a dry residue was obtained and phytochemically studied. The molluscicidal activity on B. glabrata was investigated using the procedures recommended by WHO (1965). The amount of food ingested and oviposition were measured during each experiment. The extract of leaves from J. gossypiifolia was shown to be a strong molluscicidal agent, causing 100% mortality of B. glabrata, even in the lowest concentration tested, of 25 ppm. Regarding the fruit extract, there was variation in the mortality, depending on the concentration used (100, 75, 50 and 25 ppm). The snails that were in contact with the fruit extract had significant reduction in feeding and number of embryos in comparison to the control. The stem extract did not present molluscicidal activity nor had any influence on the feeding and oviposition abilities of B. glabrata, in the concentrations tested. In conclusion, the extracts of leaves and fruits of J. gossypiifolia investigated in this work show molluscicidal effect and may be sources of useful compounds for the schistosomiasis control.
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Fascicles 1-12, 1753-1906
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Suppl. 1906-12
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Suppl. prelim. 1913-17
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Suppl. 3 1917-33
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Suppl. 4 1934-60