957 resultados para Electroweak symmetry breaking.


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This study assessed medical students' perception of individual vs. group training in breaking bad news (BBN) and explored training needs in BBN. Master-level students (N = 124) were randomised to group training (GT)-where only one or two students per group conducted a simulated patient (SP) interview, which was discussed collectively with the faculty-or individual training (IT)-where each student conducted an SP interview, which was discussed during individual supervision. Training evaluation was based on questionnaires, and the videotaped interviews were rated using the Roter Interaction Analysis System. Students were globally satisfied with the training. Still, there were noticeable differences between students performing an interview (GT/IT) and students observing interviews (GT). The analysis of the interviews showed significant differences according to scenarios and to gender. Active involvement through SP interviews seems required for students to feel able to reach training objectives. The evaluation of communication skills, revealing a baseline heterogeneity, supports individualised training.

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Transforming growth factor-beta (TGF-beta) and its related proteins regulate broad aspects of body development, including cell proliferation, differentiation, apoptosis and gene expression, in various organisms. Deregulated TGF-beta function has been causally implicated in the generation of human fibrotic disorders and in tumor progression. Nevertheless, the molecular mechanisms of TGF-beta action remained essentially unknown until recently. Here, we discuss recent progress in our understanding of the mechanism of TGF-beta signal transduction with respect to the regulation of gene expression, the control of cell phenotype and the potential usage of TGF-beta for the treatment of human diseases.

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Aquest treball gira entorn la qüestió de l’ús que es fa de la literatura com a medi per a l’ensenyament de l’anglès com a segona llengua. En primer lloc, dibuixa el marc de la situació actual on hi ha una clara separació entre llengua i literatura com a assignatures diferenciades i fa un repàs de les diferents metodologies que al llarg de la historia han utilitzat la literatura com a eina d’aprenentatge de la llengua. Segonament, el treball explica el desenvolupament i posada en pràctica d’una unitat didàctica completa per a alumnes de segon de batxillerat, que te la literatura con a punt de sortida. El treball mira de concloure com la utilització de la literatura exerceix un poder de motivació clau en els alumnes i aporta un context que dona sentit i riquesa a l’ensenyament de la llengua. Per últim, el treball fa un recull de les opinions de professors d’anglès de Catalunya al respecte d’aquest tema, a través d’un qüestionari que 66 professors associats a l’APAC (Associació de Professors d’Anglès de Catalunya) van respondre de manera desinteressada.

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Breaking bad news is one of the most stressful duties of the physician in oncology. Among other issues, it includes discussion of cancer diagnosis or the failure of therapy. The oncologist is often puzzled by an apprehension regarding the delivery of bad news. The fear to be exposed to unexpected strong emotional reactions by the patient, such as aggression or despair, may cause the oncologist to adopt unproductive coping strategies such as discussion about technical details while avoiding to deliver the main message. However, good communication skills are the key for a satisfying conversation with the patient. The oncologists' discomfort induced by the above mentioned apprehension is one of the most important barriers for a successful conversation.

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The results of a crystal structure refinement of an anisotropic grandite garnet specimen with composition Gro36-4 And63-6 are given. The structure obtained has orthorrombic symmetry (space group Fddd) and is compared with similar results obtained by other authors. In all cases the reduction of symmetry is due to the ordering of Fe3+ and Al in octahedral sites. Non cubic structures of grandites are discussed in connection with optical, morphological an grou-th features of these minerals.

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This paper proposes a test statistic for the null hypothesis of panel stationarity that allows for the presence of multiple structural breaks. Two different speci¿cations are considered depending on the structural breaks affecting the individual effects and/or the time trend. The model is ¿exible enough to allow the number of breaks and their position to differ across individuals. The test is shown to have an exact limit distribution with a good ¿nite sample performance. Its application to a typical panel data set of real per capita GDP gives support to the trend stationarity of these series

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This paper proposes a test statistic for the null hypothesis of panel stationarity that allows for the presence of multiple structural breaks. Two different speci¿cations are considered depending on the structural breaks affecting the individual effects and/or the time trend. The model is ¿exible enough to allow the number of breaks and their position to differ across individuals. The test is shown to have an exact limit distribution with a good ¿nite sample performance. Its application to a typical panel data set of real per capita GDP gives support to the trend stationarity of these series

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The density and excitation energy dependence of symmetry energy and symmetry free energy for finite nuclei are calculated microscopically in a microcanonical framework, taking into account thermal and expansion effects. A finite-range momentum and density-dependent two-body effective interaction is employed for this purpose. The role of mass, isospin, and equation of state (EOS) on these quantities is also investigated; our calculated results are in consonance with the available experimental data.

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s out to be more relevant than naively expected, is retained. Finally we analyze different aspects of the total cross section relevant to the measurement of new physics through the effective couplings. The above analysis also applies to top antiquark production in a straightforward way.