969 resultados para Lee, Joseph T. A.
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Texts issued in three octavo volumes and illustrations issued separately in a quarto volume.
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Texts issued in three octavo volumes and illustrations issued separately in a quarto volume.
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Vol. I: Portrait of Joseph Acerbi. Painted by P. Violet, engr. by P. W. Tomkins.
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Digital reproduction, The National Library of Finland, Centre for Preservation and Digitisation, Mikkeli
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Digital reproduction, The National Library of Finland, Centre for Preservation and Digitisation, Mikkeli
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A crescente demanda por projetos de restauração florestal, devido aos desmatamentos e à exploração ilegal de madeira, tem exigido pesquisas sobre a produção e a qualidade de mudas florestais. O objetivo deste trabalho foi avaliar a influência de diferentes tamanhos de tubetes na qualidade de mudas de essências nativas de diferentes grupos ecológico-sucessionais. Os tratamentos consistiram da combinação de três espécies: Hymenaea courbaril (jatobá), Tabebuia chrysotricha (ipê-amarelo) e Parapiptadenia rigida (guarucaia); com três tamanhos de tubetes para a semeadura: 50 cm³; 110 cm³ e 300 cm³. O delineamento utilizado foi de blocos aleatórios, com quatro repetições. A qualidade das mudas foi avaliada através dos atributos: altura, diâmetro do colo; área foliar; massa seca da parte aérea e do sistema radicular e Ãndice de qualidade de Dickson. O aumento do volume do tubete gerou ganhos expressivos em altura nas mudas de guarucaia (até 92%) e ganhos menores nas mudas de jatobá (até 14%), o que foi atribuÃdo a maior taxa de crescimento da primeira espécie, caracterÃstica de inÃcio de sucessão ecológica. As mudas de ipê-amarelo apresentaram ganhos consideráveis em biomassa do sistema radicular (51 a 229%) com o aumento do tamanho do tubete. Nas três espécies, o tubete de 300 cm³ proporcionou mudas com altura e diâmetro do colo superiores aos daquelas produzidas nos demais tubetes, possibilitando reduzir o tempo de produção das mudas em até 70 dias.
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[Entretiens (grec ancien-français). 1975]
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Lavataltiointi Brühler Schlosskonzerte -festivaaleilta 1978.
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Machado-Joseph disease (MJD) is a form of autosomal dominant spinocerebellar ataxia first described in North-American patients originating from the Portuguese islands of the Azores. Clinically this disorder is characterized by late onset progressive ataxia with associated features, such as: ophthalmoplegia, pyramidal and extrapyramidal signs and distal muscular atrophies. The causative mutation is an expansion of a CAG repeat in the coding region of the MJD1 gene. We have identified 25 unrelated families segregating the MJD mutation during a large collaborative study of spinocerebellar ataxias in Brazil. In the present study a total of 62 family members were genotyped for the CAG repeat in the MJD1 gene, as well as 63 non-MJD individuals (126 normal chromosomes), used as normal controls. We observed a wide gap between the size range of the normal and expanded CAG repeats: the normal allele had from 12 to 33 CAGs (mean = 23 CAGs), whereas the expanded alleles ranged from 66 to 78 CAGs (mean = 71.5 CAGs). There were no differences in CAG tract length according to gender of affected individuals or transmitting parent. We observed a significant negative correlation between age at onset of the disease and length of the CAG tract in the expended allele (r = -0.6, P = 0.00006); however, the size of the expanded CAG repeat could explain only about 40% of the variability in age at onset (r2 = 0.4). There was instability of the expanded CAG tract during transmission from parent to offspring, both expansions and contractions were observed; however, there was an overall tendency for expansion, with a mean increase of +2.4 CAGs. The tendency for expansion appeared to the greater in paternal (mean increase of +3.5 CAGs) than in maternal transmissions (mean increase of +1.3 CAGs). Anticipation was observed in all transmissions in which ages at onset for parent and offspring were known; however, anticipation was not always associated with an increase in the expanded CAG repeat length. Our results indicate that the molecular diagnosis of MJD can be confirmed or excluded in all suspected individuals, since alleles of intermediary size were not observed.
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[Acte royal. 1661-03-16. Paris]
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Référence bibliographique : Rol, 58527
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Référence bibliographique : Rol, 58560
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Référence bibliographique : Rol, 58561