977 resultados para 1798-1802


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One leaf containing handwritten financial notes related to the closing of the Middle Street School and subsequent rent payments.

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Objective. To examine whether the T cell receptor (TCR) A or TCRB loci exhibit linkage with disease in multiplex rheumatoid arthritis (RA) families. Methods. A linkage study was performed in 184 RA families from the UK Arthritis and Rheumatism Council Repository, each containing at least 1 affected sibpair. The microsatellites D14S50, TCRA, and D14S64 spanning the TCRA locus and D7S509, Vβ6.7, and D7S688 spanning the TCRB locus were used as DNA markers. The subjects were genotyped using a semiautomated polymerase chain reaction-based method. Two-point and multipoint linkage analyses were performed. Results. Nonparametric single-marker likelihood odds (LOD) scores were 0.49 (P = 0.07) for D14S50, 0.65 (P = 0.04) for TCRA, 0.07 (P = 0.29) for D14S64, 0.01 (P = 0.43) for D7S509, 0.0 (P = 0.50) for Vβ6.7, and 0.0 (P = 0.50) for D7S688. By multipoint analysis, there was no evidence of linkage at TCRB (LOD score 0), and the maximum LOD score at the TCRA locus was 0.37 (at D14S50). The presence of a susceptibility locus (LOD score < -2.0) was excluded, with lambda ≤ 1.8 at TCRA and ≤1.4 at TCRB. Conclusion. These linkage studies provide no significant evidence of a major germline-encoded TCRA or TCRB component of susceptibility to RA.

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BACKGROUND: 2-ethylhexylphosphonic acid mono-(2-ethylhexyl) ester (HEHEHP, H(2)A(2)) has been applied extensively to the extraction of rare earths. However, there are some limitations to its further utilization and the synergistic extraction of rare earths with mixtures of HEHEHP and another extractant has attracted much attention. Organic carboxylic acids are also a type of extractant employed for the extraction of rare earths, e.g. naphthenic acid has been widely used to separate yttrium from rare earths. Compared with naphthenic acid, sec-nonylphenoxy acetic acid (CA100, H2B2) has many advantages such as stable composition, low solubility, and strong acidity in the aqueous phase. In the present study, the extraction of rare earths with mixtures of HEHEHP and CA100 has been investigated. The separation of the rare earth elements is also studied.

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We propose a mixed cost-function adaptive initialization algorithm for the time domain equalizer in a discrete multitone (DMT)-based asymmetric digital subscriber line. Using our approach, a higher convergence rate than that of the commonly used least-mean square algorithm is obtained, whilst attaining bit rates close to the optimum maximum shortening SNR and the upper bound SNR. Furthermore, our proposed method outperforms the minimum mean-squared error design for a range of time domain equalizer (TEQ) filter lengths. The improved performance outweighs the small increase in computational complexity required. A block variant of our proposed algorithm is also presented to overcome the increased latency imposed on the feedback path of the adaptive system.

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The qnrS1 gene induces reduced susceptibility to fluoroquinolones in enterobacteria. We investigated the structure, antimicrobial susceptibility phenotype, and antimicrobial resistance gene characteristics of qnrS1 plasmids from hospitalized patients and community controls in southern Vietnam. We found that the antimicrobial susceptibilities, resistance gene characteristics, and plasmid structures of qnrS1 plasmids from the hospital differed from those from the community. Our data imply that the characteristics of the two plasmid groups are indicative of distinct selective pressures in the differing environments.

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The "Bibliotheca antigua de los escritores aragoneses que florecieron desde la venida de Christo hasta el año 1500" appeared in 2 vols., Saragossa, 1796; "Biblioteca nueva" (1500-1795) in 6 vols., Pamplona, 1798-1802.

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An inquiry into the beuaties of painting; and into the merits of the most celebrated painters, ancient and modern.--Remarks on the beauties of poetry.--Observations on the correspondence between poetry and music.--Literary amusements in verse and prose.--Some reasons for thinking that the Greek language was borrowed from the Chinese: in notes on the Grammatica sinica of Mons. Fourmont.--Fingal reclaimed.

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Incorporates material collected by Will, including the letters A and B printed by him in 1783.

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Mode of access: Internet.

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Mode of access: Internet.

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Gastos del Colegio Mayor del Rosario entre 1663 – 1798 siendo rectores: Enrique de Caldas Barbosa y Santiago (1667-1668, 1670-1672, 1680-1682), Nicolás de Guzmán y Solanilla (1669 - 1670), Juan de Mosquera Nuguerol y Sotelo (1666-1667,1673-1676), Francisco de Agudelo Arias de Bolívar (1692-1693), Cristóbal de Torres Bravo (1683-1684, 1698-1701), Luis Antonio de Berrio y Mendoza de Castrillón (1715-1717, 1725-1728), Fernando Antonio Camacho de Guzmán y Rojas (1711-1714, 1728-1733), José Joaquín de León y Herrera (1759- 1763), Miguel José Masústegui y Archer Calzada (1745, 1763-1766, 1769-1773, 1778-1780), Bartolomé Ramírez Maldonado de la Parra (1766-1769), Manuel de Caicedo y Vélez Ladrón de Guevara (1772-1775), Pedro José de Leyva y la Madrid (1722-1725), José Joaquín de Guzmán y Franqui (1775-1778), Fernando de Caicedo Y Flórez (1793-1796, 1799-1802).