Littérature et guerres mondiales en Belgique francophone: champ, contre-chant et hors-champ

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First- and second-order phase transitions in the adlayer of biadipate on Au(111)

The adsorption of biadipate on Au(111) was studied by cyclic voltammetry and chronocoulometry. The biadipate adlayer undergoes a potential-driven phase transition. It is shown that the phase transition can be either of the first- or second-order depending on the biadipate concentration. At low surfactant concentrations, the first-order transition is characterised by a discontinuity in the charge density-potential curve and by the presence of very sharp peaks in the voltammetric response. At higher concentrations, these peaks are no longer observed but a discontinuity in the capacity curve is still noticeable, in agreement with a second-order transition. © the Owner Societies.

Les droits de l'eau dans la plaine de la Scarpe au Moyen Age

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La Critique de la raison dialectique: du besoin au besoin, circulairement

Paris

Robert Morin, « Les Pensées philosophiques de Diderot devant leurs principaux contradicteurs au XVIIIe siècle » (Paris 1975), 168 p.

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Anticorps circulant au cours de la maladie coeliaque. Intérêt pratiques

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Les intolérances au lactose et au gluten :quand faut-il y penser ?

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Triangular flow in event-by-event ideal hydrodynamics in Au+Au collisions at √SNN = 200A GeV

The first calculation of triangular flow ν3 in Au+Au collisions at √sNN = 200A GeV from an event-by-event (3 + 1) d transport+hydrodynamics hybrid approach is presented. As a response to the initial triangularity Ie{cyrillic, ukrainian}3 of the collision zone, ν3 is computed in a similar way to the standard event-plane analysis for elliptic flow ν2. It is found that the triangular flow exhibits weak centrality dependence and is roughly equal to elliptic flow in most central collisions. We also explore the transverse momentum and rapidity dependence of ν2 and ν3 for charged particles as well as identified particles. We conclude that an event-by-event treatment of the ideal hydrodynamic evolution startingwith realistic initial conditions generates the main features expected for triangular flow. © 2010 The American Physical Society.

Réponses immunitaires de l'homme à l'égard de la HBHA :détection de l'infection latente et aide au diagnostic de l'infection active par "Mycobacterium tuberculosis"

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Faut-il encore craindre la tuberculose au XXIème siècle ?

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"L'Invitation au voyage" de Baudelaire :une analyse évocative

This paper presents a detailed analysis of Baudelaire's poem ''L'Invitation au voyage''. It aims to understand the general meaning of this poem, showing that Baudelaire's ''voyage'' comes less to an ideal paradise than to a kind of voluptuous purgatory. We associate together dimensions of the poem that are usually treated separately :biographical background, stylistic and intertextual borrowings (orientalized Holland, Goethe's Mignon, popular song and romance, Weber's music, Biblical episodes), formal structure and cognitive effects. Our method is based on Benoît de Cornulier's theory of metrics, Searle and Vanderveken's speech act theory and Marc Dominicy's theory of poetic evocation. As Dominicy's theory is quite recent, our article provides substantial summary and clarification of its main theoretical and methodological hypothesis.

Les discriminations au travail dues à l’orientation sexuelle et les identités de genre

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Espaces d’interdépendance entre action publique et experts: Etat réflexif dans le champ du sida

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Maurice Sartre. Inscriptions grecques et latines de la Syrie. Tome XXI. Inscriptions de la Jordanie. Tome IV. Pétra et la Nabatène méridionale du wadi al-Hasa au golfe de 'Aqaba

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Multiple reflow study of ball grid array (BGA) solder joints on Au/Ni metallization

This paper evaluates the shearing behavior of ball grid array (BGA) solder joints on Au/Ni/Cu pads of FR4 substrates after multiple reflow soldering. A new Pb-free solder, Sn–3Ag–0.5Cu–8In (SACI), has been compared with Sn–3Ag–0.5Cu (SAC) and Sn–37Pb (SP) solders, in terms of fracture surfaces, shearing forces and microstructures. Three failure modes, ball cut, a combination of solder shear and solder/pad bond separation, and pad lift, are assessed for the different solders and reflow cycles. It is found that the shearing forces of the SP and SAC solder joints tend to increase slightly with an increase in the number of reflow cycles due to diffusion-induced solid solution strengthening of the bulk solder and augmentation of the shearing area. However, the shearing forces of the SACI solder joints decrease slightly after four cycles of reflow, which is ascribed to the thermal degradation of both the solder/intermetallic compound (IMC) and IMC/Ni interfaces. The SACI solder joints yield the highest strengths, whereas the SP solder joints give the smallest values, irrespective of the number of reflow cycles. Thickening of the interfacial IMC layer and coarsening of the dispersing IMC particles within the bulk solders were also observed. Nevertheless, the variation of shearing forces and IMC thickness with different numbers of reflow cycles was not so significant since the Ni under layer acted as an effective diffusion barrier. In addition, the initially-formed IMC layer retarded the further extensive dissolution of the pad material and its interaction with the solder