3 research outputs found

    Análisis químico de muestras minoritarias por procedimientos no destructivos, FRX, de útiles metálicos de la edad del bronce del sureste español

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    En el presente trabajo se expone las earaeterísticas prineipales de un nuevo sistema de toma de muestras y su portamuestras. eon objeto de emplearlo en el análisis químici^ de muestras arqueológieas. empleando 0.2 g eomo máximo, con lo que se conserva la integridad del objeto analizado. En este caso se utiliza un espectrómetro .seeuencial Philips PW1400. de tluorcseencia de rayos X. El ci tado mcttKlo et>nsigue altas cotas de Habilidad y exactitud en los elementos quí micos elegidos para su análisis

    Erratum: Global, regional, and national comparative risk assessment of 84 behavioural, environmental and occupational, and metabolic risks or clusters of risks for 195 countries and territories, 1990–2017: a systematic analysis for the Global Burden of Disease Study 2017

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    Interpretation: By quantifying levels and trends in exposures to risk factors and the resulting disease burden, this assessment offers insight into where past policy and programme efforts might have been successful and highlights current priorities for public health action. Decreases in behavioural, environmental, and occupational risks have largely offset the effects of population growth and ageing, in relation to trends in absolute burden. Conversely, the combination of increasing metabolic risks and population ageing will probably continue to drive the increasing trends in non-communicable diseases at the global level, which presents both a public health challenge and opportunity. We see considerable spatiotemporal heterogeneity in levels of risk exposure and risk-attributable burden. Although levels of development underlie some of this heterogeneity, O/E ratios show risks for which countries are overperforming or underperforming relative to their level of development. As such, these ratios provide a benchmarking tool to help to focus local decision making. Our findings reinforce the importance of both risk exposure monitoring and epidemiological research to assess causal connections between risks and health outcomes, and they highlight the usefulness of the GBD study in synthesising data to draw comprehensive and robust conclusions that help to inform good policy and strategic health planning

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