835 resultados para 1545


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"Apéndice", containing a bibliography of the writings of H. Cock: p. [257]-263.

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El propósito de este trabajo de investigación es realizar una aproximación al papel que realizan como mecenas musicales y legisladores de la Iglesia dos arzobispos toledanos: Alonso de Fonseca (1475-1534) y Juan Pardo Tavera (1472-1545). El estudio se lleva a cabo a través tanto del análisis de su ámbito personal como del de su relación con la Santa Iglesia Catedral de Santa María de Toledo, y su ascendiente en las ceremonias musicales y litúrgicas que en ella tenían lugar. La franja cronológica escogida para el análisis comprende la etapa en la que gobernaron la archidiócesis primada: desde 1523 hasta 1545, un periodo que constituyó el punto culminante de sus carreras religiosas. El mismo año en que moría el cardenal Tavera, comenzaron las reuniones tridentinas en las que se debatieron y consideraron algunas de las polémicas musicales que se encuentran presentes en la documentación coetánea a los pontífices. Para la consecución de estos objetivos el estudio se divide en dos grandes bloques separados en tres capítulos cada uno, cuya estructura muestra la metodología utilizada. El primer capítulo del primer bloque se centra en las biografías de los dos arzobispos, su conexión con la música y su relación con la documentación central de esta investigación: los manuscritos BPR II/1778 y ACT 9; el segundo capítulo realiza un estudio crítico de estos textos para establecer su autenticidad, su origen y su datación, y el tercero describe brevemente el contenido de las fuentes relacionadas con los pontífices y las contextualiza dentro del gran fondo documental que genera la catedral toledana, para terminar planteando la función de los textos y las circunstancias sociales, estéticas y políticas en que se produjeron...

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Auszug aus der Revue de Linguistique et de Philologie comparée, Januar 1887 bis October 1893

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After a long incubation period, the Intergovernmental Platform on Biodiversity and Ecosystem Services (IPBES) is now underway. Underpinning all its activities is the IPBES Conceptual Framework (CF), a simplified model of the interactions between nature and people. Drawing on the legacy of previous large-scale environmental assessments, the CF goes further in explicitly embracing different disciplines and knowledge systems (including indigenous and local knowledge) in the co-construction of assessments of the state of the world's biodiversity and the benefits it provides to humans. The CF can be thought of as a kind of Rosetta Stone that highlights commonalities between diverse value sets and seeks to facilitate crossdisciplinary and crosscultural understanding. We argue that the CF will contribute to the increasing trend towards interdisciplinarity in understanding and managing the environment. Rather than displacing disciplinary science, however, we believe that the CF will provide new contexts of discovery and policy applications for it.

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An alternative technique for the fabrication of disposable electrochemical microcells containing working, reference and auxiliary electrodes on a single device is reported. The procedure is based on thermal-transfer of toner masks onto CD-R (recordable compact discs) gold surfaces to define the layout of the electrodes (contour). In a subsequent step, the layout is manually painted with a permanent marker pen. The unprotected gold surface is conveniently etched (chemical corrosion) and the ink is then easily removed with ethanol, generating gold surfaces without contamination. The final and reproducible area of the electrodes is defined by heat transference of a second toner mask. Silver epoxy is deposited on one of the gold bands which is the satisfactorily used as reference electrode. These microcells were electrochemically characterized by cyclic, linear, and square wave voltammetry, and several electroactive species were used as model systems. The area reproducibility of the electrodes for different microcells was studied and a relative standard deviation better than 1,0% (n = 10) was obtained. Disposable electrochemical microcells were successfully used in analysis of liquid samples with volumes lower than 200 µL and good stability and reproducibility (RSD less than 2.0%) were achieved. These microcells were also evaluated for quantification of paracetamol and dipyrone in pharmaceutical formulations.

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An important topic in genomic sequence analysis is the identification of protein coding regions. In this context, several coding DNA model-independent methods based on the occurrence of specific patterns of nucleotides at coding regions have been proposed. Nonetheless, these methods have not been completely suitable due to their dependence on an empirically predefined window length required for a local analysis of a DNA region. We introduce a method based on a modified Gabor-wavelet transform (MGWT) for the identification of protein coding regions. This novel transform is tuned to analyze periodic signal components and presents the advantage of being independent of the window length. We compared the performance of the MGWT with other methods by using eukaryote data sets. The results show that MGWT outperforms all assessed model-independent methods with respect to identification accuracy. These results indicate that the source of at least part of the identification errors produced by the previous methods is the fixed working scale. The new method not only avoids this source of errors but also makes a tool available for detailed exploration of the nucleotide occurrence.

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Background. Previous works showed potentially beneficial effects of a single session of peripheral nerve sensory stimulation (PSS) on motor function of a paretic hand in patients with subacute and chronic stroke. Objective. To investigate the influence of the use of different stimulus intensities over multiple sessions (repetitive PSS [RPSS]) paired with motor training. Methods. To address this question, 22 patients were randomized within the second month after a single hemispheric stroke in a parallel design to application of 2-hour RPSS at 1 of 2 stimulus intensities immediately preceding motor training, 3 times a week, for 1 month. Jebsen-Taylor test (JTT, primary endpoint measure), pinch force, Functional Independence Measure (FIM), and corticomotor excitability to transcranial magnetic stimulation were measured before and after the end of the treatment month. JTT, FIM scores, and pinch force were reevaluated 2 to 3 months after the end of the treatment. Results. Baseline motor function tests were comparable across the 2 RPSS intensity groups. JTT improved significantly in the lower intensity RPSS group but not in the higher intensity RPSS group at month 1. This difference between the 2 groups reduced by months 2 to 3. Conclusions. These results indicate that multiple sessions of RPSS could facilitate training effects on motor function after subacute stroke depending on the intensity of stimulation. It is proposed that careful dose-response studies are needed to optimize parameters of RPSS stimulation before designing costly, larger, double-blind, multicenter clinical trials.