847 resultados para La defense


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Compare your last night of theatre with your first. Like internet dating, the consummation is the same, but the rules of engagement have changed. A decade of ‘independent seasons’ nested within our mainstages has littered the moat-like foyers of our state-funded theatres with couches, reshaped their intractable prosceniums into new configurations and collapsed many of the traditional artform hierarchies.

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In this work, we have tried to emphasize the connection between mycobacterial growth and regulation of gene expression. Utilization of multiple carbon sources and diauxic growth helps bacteria to regulate gene expression at an optimum level so that the inhospitable conditions encountered during nutrient depletion can be circumvented. These aspects will be discussed with respect to mycobacterial growth in subsequent sections. Identification and characterization of genes induced under such conditions is helpful to understand the physiology of the bacterium. Although it is necessary to compare the total expression profile of proteins as they transit from vegetative growth to stationary phase, at times a lot of insights can be deciphered from the expression pattern of one or two proteins. We have compared the protein expression and sigma factor selectivity of two such proteins in M. smegmatis to understand the differential regulation of genes playing diverse function in the same species. Some newer insights on the structure and function of one of the Dps proteins are also explained.

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Aujourd'hui, techniques et technologies interagissent avec le corps humain et donnent aux personnes la possibilité de reconstruire leur corps, mais aussi de l'améliorer et de l'augmenter. L'hybridation est un processus technologique visant à compenser les défaillances humaines. L'augmentation de la puissance d'être est exaltée (santé, sexualité, performance, jeunesse), pourtant son accès n'est pas pour tous. Ce livre propose de démêler les différentes représentations du corps hybride et les projets qui les sous-tendent.

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This work analyses texts on indigenous women´s participation in the Mexican Zapatista Army, Ejército Zapatista de Liberación Nacional. The EZLN came to public attention after ten years of clandestine organization in 1994 in Chiapas, a southern state of Mexico neighboring Guatemala. Along the invasion of various municipalities in Chiapas, the Zapatista Army published their own Revolutionary Laws, directed to the Mexican government that included a section on women´s own laws. The indigenous women´s participation in a guerrilla movement in the economically poorest area of Mexico raised many questions among Mexican feminists and some of them fiercely criticized the laws for not being liberating or feminist at all. The question is, did the indigenous women want the laws to be feminist? To answer the main research question How is the position of women constructed in the Zapatista discourse? I analyze texts by various actors in the discourse within the theoretical framework of critical discourse analysis and the feminist theories of intersectionality. The connecting point in this interdisciplinary framework is the question of power and hegemony. The actors in the discourse are the women commanders themselves, the men commanders, the Zapatista spokesperson, subcomandante Marcos and the Mexican feminists. The texts analyzed are the letters of the EZLN to the media and discourses in public reunions, first published in Mexican newspapers and international discussion lists on the Internet and after 2005, on the Zapatista´s own webpage. The results show that instead of discussing whether the Zapatista women´s participation is feminist or not, the action itself provoked such wide discussion of the diversity within the feminist movement that it is a contribution itself. The work also shows that the use of language can be one tool in the quite recent paradigm of intersectionality in feminist theories.

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The crystal structure of the complex La(NO3)3.4(CH3)2SO has been solved by the heavy-atom method. The complex crystallizes in the monoclinic space group C2/e with four formula units in a unit cell of dimensions a= 14.94, b= 11.04, c= 15.54 A and fl= 109 ° 10'. The parameters have been refined by threedimensional least-squares procedures with anisotropic thermal parameters for all atoms except hydrogen. The final R index for 1257 observed reflexions is 0.094. The La 3 + ion is coordinated by ten oxygen atoms with La-O distances varying from 2.47 to 2.71 A. The geometry of the coordination polyhedron is described.

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Rencontre entre le Sud et le Nord Depuis des siècles, les pays méditerranéens ont entretenu des relations actives avec le Nord de l’Europe. Les regions du Nord ont été conquises et converties, manipulées et colonisées, mais aussi intégrées dans les réseaux commerciaux, scientifi ques, culturels et touristiques. Les voyageurs du Sud de l’Europe ont peu à peu découvert les regions plurielles du Nord de la Finlande, de la Suède, de la Norvège et de la presqu’île de Kola. L’attraction focntionnait aussi dans l’autre sens. Pour les gens du Nord, scientifi ques ou artistes, le Sud de l’Europe constituait une destination aussi exotique aue la Laponie pour ceux du Sud. Dans ce recueil, nous proposons dix points de vue sur ces échanges et réseaux entre la Sud et le Nord. Le premier chapitre présente Tornio, connue très tôt comme la porte de la Laponie, les premières relations scientifi ques entre le Nord et le Sud, ainsi que les exhibitions de Samis dans les métropoles européennes. Le deuxième chapitre propose une analyse des experiences et des impressions de voyageurs italiens, espagnols et français. Le dernier chapitre est consacré aux voyages d’artistes et écrivains fi nlandais en France, principalement à Paris. Ces rencontres entre le Sud et le Nord qui participèrent à la remise en cause, la relativisation et la construction des identities nationals et ethniques, permirent aussi de créer une conscience européenne commune.

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The first two members of the new TlSrn+1−xLnxCunO2n+3+δ (Ln=La, Pr, or Nd) series of superconducting cuprates possessing 1021 and 1122 type structures are described. The n=1 (1021) members with Tcs around 40 K have electrons or holes as the majority charge carriers depending on x. The n=2 (1122) cuprate (Ln=Pr or Nd) shows a Tc in the 80–90 K range.

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The thermal decomposition of lanthanum biscitrato chromium(III) dihydrate has been studied in static air and dynamic argon atmospheres. The complex decomposes in four steps: dehydration, decomposition of the citrate to an intermediate oxycarbonate, formation of LaCrO4(V) from oxycarbonate, and finally decomposition of LaCrO4(V) to LaCrO3. Formation of LaCrCrO4(V) requires the presence of oxygen The decomposition behaviour of a mechanical mixture of lanthanum citrate hydrate and chromium citrate hydrate was compared with that of the citrato complex. Both the starting material and the intermediates were characterized by X-ray diffraction, IR electronic and ESR spectroscopy, surface area and magnetic susceptibility measurements, as well as by chemical analysis. A scheme is proposed for the decomposition of lanthanum biscitrato chromium(III) dihydrate in air. LaCrO3 can be obtained at temperatures as low as 875 K by isothermal decomposition of the complex.

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In Aztec mythology and religion, Xipe Totec ("our lord the flayed one") was a life-death-rebirth deity, god of agriculture, vegetation, the east, disease, spring, goldsmiths, silversmiths and the seasons. The music used for his worship has been described by a diversity of documents (carved stones, depicted codices, and chronicles made by the first European friars arrived to Mexico). This article explores the symbolic content of these descriptions, especially in association with Xochipilli Macuilxochitl, master of music and poetry.

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Lecture about the teponaztli (a specific type of slit drum), traditionally used by the Aztec (or Mexica) people, and its associated repertoire. Special attention is paid to the usage of this instrument in the Cantares Mexicanos (a song compilation from the 16th century) accompaniment.

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A completely automated temperature-programmed reaction (TPR) system for carrying out gas-solid catalytic reactions under atmospheric flow conditions is fabricated to study CO and hydrocarbon oxidation, and NO reduction. The system consists of an all-stainless steel UHV system, quadrupole mass spectrometer SX200 (VG Scientific), a tubular furnace and micro-reactor, a temperature controller, a versatile gas handling system, and a data acquisition and analysis system. The performance of the system has been tested under standard experimental conditions for CO oxidation over well-characterized Ce1-x-y(La/Y)(y)O2-delta catalysts. Testing of 3-way catalysis with CO, NO and C2H2 to convert to CO2, N-2 and H2O is done with this catalyst which shows complete removal of pollutants below 325 degrees C. Fixed oxide-ion defects in Pt substituted Ce1-y(La/Y)(y)O2-y/2 show higher catalytic activity than Pt ion-substituted CeO2