New paradigms of knowledge and modern concepts of production: Implications to a new didactic in the professional formation

A intenção do presente trabalho é apresentar uma discussão sobre as análises de como a modificação de futuros potenciais de conhecimento influenciaram, por um lado, os novos conceitos de currículo e didática e, por outro lado, as reformas pedagógicas efetuadas no sistema educacional na Alemanha, a partir de um projeto desenvolvido pelo autor - pesquisador do Instituto Federal de Formação Profissional/BIBB/Berlin. Ao longo do texto procurar-se-á indicar que, como conseqüência das inovações pedagógicas ligadas ao conceito de qualificação-chave, ou seja competência profissional para a ação, ocorreu decisivamente uma nova orientação na construção de currículos e na teoria didática do referido país.The current paper intends to present a discussion about analysis on how future knowledge potentials influenced in a way, the new concepts of curriculum and didactics and, on the other hand, the pedagogical reforms made in the German educational system, from a project developed by the author-researcher of the Federal Institute of Professional Formation/BIBB/Berlin. Along the text the author will seek to show as a consequence of the pedagogical innovations linked to the "key-qualification"concept, or better "professional competence to the action", definitely occurred a new orientation in the curriculum and in the didactic theory of the referred country

Work and conscience : changes in work society and the reconstruction of the class theory

Este artigo busca discutir as possibilidades e limitações de se utilizar para a análise das sociedades industriais modernas o conceito de classe advindo das determinações econômicas do marxismo. Com a aumento da complexidade destas sociedades e de suas formas de produzir, com a predominância de novos setores como o de serviços no processo de reprodução do capital, como dar conta e criar um conceito que integre todos os excluídos e incluídos no sistema capitalista de trabalho e que dê conta das novas possibilidades de constituição de uma consciência política comum. Tendo por referência a discussão alemã contemporânea sobre a questão, busca–se entender que as tendências da reorganização sistêmica da produção em empresas modernas, provocam, na sua forma inovadora, uma mudança no status do trabalhador na fábrica e na sua consciência tradicional.This article aims the discussion of the possibilities and limitations in the use of the class concept from Marxism's economic determinations in the analysis of modern industrial societies. Due to the increase in the complexity of theses societies and their production forms, and the predominance of new sectors such as services in the process of capital reproduction, is it possible to create and manage a concept that integrates both excluded and included in the capitalist work system; a concept that involves the new possibilities constituting a common political conscience? Referring to the contemporary German discussion on the subject, this article understands that the systemic reorganization tendencies of production in modern enterprises generate, in their innovative form, a change in the worker status in the factory and in his traditional conscience

Trabalho e consciência: mudanças na sociedade do trabalho e a reconstrução da teoria de classe

This article aims the discussion of the possibilities and limitations in the use of the class concept from Marxism's economic determinations in the analysis of modern industrial societies. Due to the increase in the complexity of theses societies and their production forms, and the predominance of new sectors such as services in the process of capital reproduction, is it possible to create and manage a concept that integrates both excluded and included in the capitalist work system; a concept that involves the new possibilities constituting a common political conscience? Referring to the contemporary German discussion on the subject, this article understands that the systemic reorganization tendencies of production in modern enterprises generate, in their innovative form, a change in the worker status in the factory and in his traditional conscience.Este artigo busca discutir as possibilidades e limitações de se utilizar para a análise das sociedades industriais modernas o conceito de classe advindo das determinações econômicas do marxismo. Com a aumento da complexidade destas sociedades e de suas formas de produzir, com a predominância de novos setores como o de serviços no processo de reprodução do capital, como dar conta e criar um conceito que integre todos os excluídos e incluídos no sistema capitalista de trabalho e que dê conta das novas possibilidades de constituição de uma consciência política comum. Tendo por referência a discussão alemã contemporânea sobre a questão, busca-se entender que as tendências da reorganização sistêmica da produção em empresas modernas, provocam, na sua forma inovadora, uma mudança no status do trabalhador na fábrica e na sua consciência tradicional

The INTEGRAL Galactic bulge monitoring program: the first 1.5 years

The Galactic bulge region is a rich host of variable high-energy point sources. Since 2005, February 17 we are monitoring the source activity in this region about every three days with INTEGRAL. Thanks to the large field of view, the imaging capabilities and the sensitivity at hard X-rays, we are able to present for the first time a detailed homogeneous (hard) X-ray view of a sample of 76 sources in the Galactic bulge region. We describe the successful monitoring program and show the first results for a period of about one and a half year. We focus on the short (hour), medium (month) and long-term (year) variability in the 20-60 keV and 60-150 keV bands. When available, we discuss the simultaneous observations in the 3-10 keV and 10-25 keV bands. Per visibility season we detect 32/33 sources in the 20-60 keV band and 8/9 sources in the 60-150 keV band. On average, we find per visibility season one active bright (>~100 mCrab, 20-60 keV) black-hole candidate X-ray transient and three active weaker (<~25 mCrab, 20-60 keV) neutron star X-ray transients. Most of the time a clear anti-correlation can be seen between the soft and hard X-ray emission in some of the X-ray bursters. Hard X-ray flares or outbursts in X-ray bursters, which have a duration of the order of weeks, are accompanied by soft X-ray drops. On the other hand, hard X-ray drops can be accompanied by soft X-ray flares/outbursts. We found a number of new sources, IGR J17354-3255, IGR 17453-2853, IGR J17454-2703, IGR J17456-2901b, IGR J17536-2339, and IGR J17541-2252. We report here on some of the high-energy properties of these sources. The high-energy light curves of all the sources in the field of view, and the high-energy images of the region, are made available through the WWW at http://isdc.unige.ch/Science/BULGE/.Comment: 27 pages, 42 figures, accepted for publication in A&A. Abstract abridged. Tables 3,4,6,7 appear at the end. Images have been compressed and are reduced in quality; original PostScript images can be retrieved from http://isdc.unige.ch/~kuulkers/bulge

BeppoSAX-WFC monitoring of the Galactic Center region

We review the results obtained with the Galactic center campaigns of the BeppoSAX Wide Field X-ray Cameras (WFCs). This pertains to the study of luminous low-mass X-ray binaries (LMXBs). When pointed at the Galactic center, the WFC field of view contains more than half of the Galactic LMXB population. The results exemplify the excellent WFC capability to detect brief X-ray transients. Firstly, the WFCs expanded the known population of Galactic thermonuclear X-ray bursters by 50%. At least half of all LMXBs are now established to burst and, thus, to contain a neutron star as compact accretor rather than a black hole candidate. We provide a complete list of all 76 currently known bursters, including the new case 1RXS J170854.4-321857. Secondly, the WFCs have uncovered a population of weak transients with peak luminosities up to ~10^37 erg/s and durations from days to weeks. One is the first accretion-powered millisecond pulsar SAX J1808.4-3658. Thirdly, the WFCs contributed considerably towards establishing that nearly all (12 out of 13) luminous low-mass X-ray binaries in Galactic globular clusters contain neutron stars rather than black holes. Thus, the neutron star to black hole ratio in clusters differs from that in the Galactic disk at a marginal confidence level of 97%.Comment: 10 pages 6 figures, to appear in Proc. "The Restless High-Energy Universe" (2nd BeppoSAX Symposium), eds. E.P.J. van den Heuvel, J.J.M. in 't Zand & R.A.M.J. Wijers, Nucl. Instrum. Meth. B Suppl. Se

Differences in the macrozoobenthic fauna colonising empty bivalve shells before and after invasion by Corbicula fluminea

Bivalve shells can potentially alter the structure of aquatic benthic communities. However, little is known about the effect that different shell morphologies have on their associated fauna. This study aimed to understand how empty shells, from four different freshwater bivalve species, affect macrozoobenthic communities, using the River Minho (Iberian Peninsula) as a study area. Three native (Anodonta anatina, Potomida littoralis, Unio delphinus) and one non-indigenous (Corbicula fluminea) species were used for this research. Comparisons among species and between scenarios (i.e. before and after invasion by C. fluminea) were performed. Our results suggest that macrozoobenthic community structure did not vary among treatments, with the exception of species richness, which was higher on shells of native species. Furthermore, little difference was detected when comparing scenarios with and without C. fluminea shells, despite dissimilarities in size and morphology between species. The empty shells of C. fluminea partially (in terms of density and biomass, but not in species richness) replaced the role of empty shells of native species as a physical substratum for the associated macrozoobenthic community.Martina Ilarri is supported by a Post-doc grant (SFRH/BPD/90088/2012) from the Portuguese Foundation for Science and Technology – FCT through POPH/FSE funds. This study was conducted within the scope of the project ECO-IAS: Ecosystem-level impacts of an invasive alien species, supported by FCT and COMPETE funds (contract: PTDC/AAC-AMB/116685/2010) and was also partially supported by the European Regional Development Fund (ERDF) through COMPETE funds (PEst-C/MAR/LA0015/2011) and by FCT/MEC through Portuguese funds (PIDDAC – PEst-OE/BIA/UI4050/2014).info:eu-repo/semantics/publishedVersio

Strangeness from 20 AGeV to 158 AGeV

New results from the energy scan programme of NA49, in particular kaon production at 30 AGeV and phi production at 40 and 80 AGeV are presented. The K+/pi+ ratio shows a pronounced maximum at 30 AGeV; the kaon slope parameters are constant at SPS energies. Both findings support the scenario of a phase transition at about 30 AGeV beam energy. The phi/pi ratio increases smoothly with beam energy, showing an energy dependence similar to K-/pi-. The measured particle yields can be reproduced by a hadron gas model, with chemical freeze-out parameters on a smooth curve in the T-muB plane. The transverse spectra can be understood as resulting from a rapidly expanding, locally equilibrated source. No evidence for an earlier kinetic decoupling of heavy hyperons is found.Comment: Contribution to the proceedings of "Strangeness in Quark Matter 2003" (March 2003, Atlantic Beach NC, USA), to be published in Journal of Physics G. 11 pages, 14 figure

Baryon Stopping and Charged Particle Distributions in Central Pb+Pb Collisions at 158 GeV per Nucleon

Net proton and negative hadron spectra for central \PbPb collisions at 158 GeV per nucleon at the CERN SPS were measured and compared to spectra from lighter systems. Net baryon distributions were derived from those of net protons, utilizing model calculations of isospin contributions as well as data and model calculations of strange baryon distributions. Stopping (rapidity shift with respect to the beam) and mean transverse momentum \meanpt of net baryons increase with system size. The rapidity density of negative hadrons scales with the number of participant nucleons for nuclear collisions, whereas their \meanpt is independent of system size. The \meanpt dependence upon particle mass and system size is consistent with larger transverse flow velocity at midrapidity for \PbPb compared to \SS central collisions.Comment: This version accepted for publication in PRL. 4 pages, 3 figures. Typos corrected, some paragraphs expanded in response to referee comments, to better explain details of analysi

Anisotropic flow of charged hadrons, pions and (anti-)protons measured at high transverse momentum in Pb-Pb collisions at sNN=2.76\sqrt{s_{\rm NN}}=2.76 TeV

The elliptic, $v_2$, triangular, $v_3$, and quadrangular, $v_4$, azimuthal anisotropic flow coefficients are measured for unidentified charged particles, pions and (anti-)protons in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 2.76$ TeV with the ALICE detector at the Large Hadron Collider. Results obtained with the event plane and four-particle cumulant methods are reported for the pseudo-rapidity range $|\eta|<0.8$ at different collision centralities and as a function of transverse momentum, $p_{\rm T}$, out to $p_{\rm T}=20$ GeV/$c$. The observed non-zero elliptic and triangular flow depends only weakly on transverse momentum for $p_{\rm T}>8$ GeV/$c$. The small $p_{\rm T}$ dependence of the difference between elliptic flow results obtained from the event plane and four-particle cumulant methods suggests a common origin of flow fluctuations up to $p_{\rm T}=8$ GeV/$c$. The magnitude of the (anti-)proton elliptic and triangular flow is larger than that of pions out to at least $p_{\rm T}=8$ GeV/$c$ indicating that the particle type dependence persists out to high $p_{\rm T}$.Comment: 16 pages, 5 captioned figures, authors from page 11, published version, figures at http://aliceinfo.cern.ch/ArtSubmission/node/186