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  1. No Access

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    The Impact of Implementing Hygiene and Safety Measures on Absenteeism—A Case Study in a Small Metallurgical Company

    The absenteeism related to health and safety at work is a serious issue in the manufacturing process, and some industries can be dangerous work fields with a high level of accidents. It is important to underst...

    M. Brito, M. A. Gonçalves, N. Caravana… in Occupational and Environmental Safety and … (2020)

  2. No Access

    Article

    Uranium distribution and mobility in the weathering zone of the Nisa deposit, Portugal

    The Nisa deposit is the largest known uranium reserve in the country, and is hosted by metasediments of the Beiras Group, in the Alto Alentejo region, central Portugal. After almost two decades without signifi...

    C. M. Prazeres, M. J. Batista, A. J. Pinto, M. A. Gonçalves in Journal of Iberian Geology (2018)

  3. No Access

    Article

    Cu- and Zn-Soil Anomalies in the NE Border of the South Portuguese Zone (Iberian Variscides, Portugal) Identified by Multifractal and Geostatistical Analyses

    Extensive Cu- and Zn-soil geochemical data in the Albernoa/Entradas–S. Domingos region (NE border of the Iberian Pyrite Belt, South Portuguese Zone) were examined to separate anomalies from background using th...

    F. Luz, A. Mateus, J. X. Matos, M. A. Gonçalves in Natural Resources Research (2014)

  4. No Access

    Article

    Characterization of geomaterials from NE Portugal using k 0-based instrumental neutron activation analysis (k 0-INAA) and gamma spectrometry methods

    The main objective of this study is the elemental characterization of geomaterial samples (“soils” and Rañas), collected between 2007 and 2008, in the Morais Massif, (NE Mainland of Portugal) by using two complem...

    M. Reis, M. C. Freitas, H. M. Dung… in Journal of Radioanalytical and Nuclear Che… (2012)

  5. No Access

    Article

    Characterization of Portuguese geomaterials, the clay component of rañas, as potential liners for low and intermediate radioactive disposal sites

    Safety assessment of low and intermediate level waste (LILW) repositories requires the understanding of radionuclides sorption–desorption mechanisms, mainly the degree of interaction between radionuclides and ...

    E. Andrade, M. J. Madruga, I. Bobos… in Journal of Radioanalytical and Nuclear Che… (2010)

  6. No Access

    Article

    Geochemistry of core sediments from the Middle Tagus alluvial plain (Portugal) since the last glacial: using background determination methods to outline environmental changes

    This work deals with the geochemistry of the sediments from the Santarém-Entre Valas (SEV) borehole, in the middle Tagus alluvial plain in Portugal. Methods for background determination were used, notably the ...

    T. M. Azevêdo, M. A. Gonçalves in Environmental Earth Sciences (2009)

  7. No Access

    Article

    Mössbauer study of Brazilian soapstone

    Steatite mineral rocks, soapstone, have been studied by X-ray diffraction, optical microscopic analysis (modal analysis), electron probe micro analysis and Mössbauer spectroscopy for characterization, mineral ...

    M. A. Gonçalves, M. F. de Jesus Filho, V. K. Garg in Hyperfine Interactions (1991)