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Credit risk measures: a case of renewable energy companies

Silva, Eduardo Sá e; Pereira, Adalmiro Andrade

The Basel III will have a significant impact on the European banking sector. In September 2010, supervisors of various countries adopted the new rules proposed by the prudential Committee on Banking Supervision to be applied to the business of credit institutions (hereinafter called ICs) in a phased manner from 2013, assuming to its full implementation by 2019. The purpose of this new regulation is to limit the...


Imparidades e imparidades líquidas: estudo empírico de empresas não cotadas em ...

Martins, Carlos Quelhas; Silva, Eduardo Sá e; Gama, Andreia Taveira da

Julho/Agosto 2014


Imparidades e os valores contabilísticos de Gray: estudo empírico de empresas n...

Martins, Carlos Quelhas; Silva, Eduardo Sá e; Gama, Andreia Taveira da

v. 1, n. 1 Floriano-PI, Jan-Jun. 2014 ; Esta investigação tem por principal objetivo evidenciar a presença dos valores contabilísticos de Gray em Portugal, nomeadamente através da obtenção de uma correspondência entre os valores do conservadorismo e do secretismo em termos do reconhecimento, mensuração e da divulgação, relacionados com as Perdas por Imparidade. O estudo baseou-se na análise de conteúdo do rela...


THE ENVIRONMENTAL IMPACT OF USING COPPER SULPHATE TO AVOID GRAPEVINE POWDERY MI...

Patinha, Carla; Reis, Amélia; Dias, Ana; Cachada, Anabela; Pato, Pedro; Ferreira da Silva, Eduardo; Fonseca, Rita; Barriga, Fernando; Janeiro, Ana

Copper-based fungicides have been used in vineyards throughout the world, for many decades to protect against downy mildew. However, their use results in an accumulation of Cu in surface soils which can potentially impact on the biological health of the soil and could be transported and stored in the sediments deposited close to valley bottoms. In Douro region, northern of Portugal, vineyards are located on ste...


GRAPEVINE CULTIVATION AND THE GEOCHEMISTRY OF ZINC: IMPACT ON THE ENVIRONMENTAL...

Reis, Amélia; Patinha, Carla; Dias, Ana; Cachada, Anabela; Pato, Pedro; Ferreira da Silva, Eduardo; Fonseca, Rita; Barriga, Fernando; Janeiro, Ana

This study presents preliminary results of a research project that aims assessing the environmental impact of intensive grapevine cultivation in the Alto Douro wine region, a World Heritage Site. A total of 50 soil samples were collected from three nearby vineyards of different ages. Surface drainage of these vineyards discharges into an important water reservoir, the Varosa Dam. The dam collects water from two...


Urban geochemistry of lead in gardens, playgrounds and schoolyards of Lisbon, P...

Reis, A. P.; Patinha, Carla; Wragg, J.; Dias, A. C.; Cave, M.; Sousa, A. J.; Batista, Maria João; Prazeres, Cátia; Costa, C.; Silva, Eduardo Ferreira da

To assess the impact of potentially harmful elements in soil/dust on the health of children that use urban recreational areas to play outdoors, an urban survey of Lisbon, the largest city in Portugal was carried out, collecting soils and dusts from public gardens, parks, playgrounds and schoolyards. An exposure and risk assessment study for the incidental soil/dust ingestion of lead was carried out based on U...

Data: 2013   |   Origem: Repositório do LNEG

Quantitative-spatial assessment of soil contamination in S. Francisco de Assis ...

Silva, Eduardo Ferreira da; Ávila, Paula Freire; Salgueiro, Ana Rita; Candeias, Carla; Pereira, Henrioque Garcia

Through the years, mining and beneficiation processes produces large amounts of As-rich mine wastes laid up in huge tailings and open-air impoundments (Barroca Grande and Rio tailings) that are the main source of pollution in the surrounding area once they are exposed to the weathering conditions leading to the formation of AMD and consequently to the contamination of the surrounding environments, in particul...

Data: 2013   |   Origem: Repositório do LNEG

Acid mine drainage from the Panasqueira mine and its influence on Zêzere river ...

Candeias, Carla; Ávila, Paula Freire; Silva, Eduardo Ferreira da; Ferreira, Adelaide; Salgueiro, Ana Rita; Teixeira, João Paulo

In Press - Available online 25 October 2013 ; The Panasqueira hydrothermal mineralization, located in central Portugal, is the biggest Sn–W deposit of the Western Europe. The main evidences of the mining exploitation and ore treatment operations are testified with huge tailings, mainly, in the Rio and Barroca Grande areas. The mining and beneficiation processes, at the site, produces metal rich mine wastes. ...

Data: 2013   |   Origem: Repositório do LNEG

Heavy metal pollution in mine-soil-plant system in S. Francisco de Assis - Pana...

Candeias, Carla; Melo, Rita; Ávila, Paula Freire; Silva, Eduardo Ferreira da; Salgueiro, Ana Rita; Teixeira, João Paulo

In Press - Available online 29 July 2013 ; The active Panasqueira mine is a tin–tungsten (Sn–W) mineralization hosted by metasediments with quartz veins rich in ferberite. The economic exploitation has been focused on wolframite, cassiterite and chalcopyrite. The mineralization also comprises several sulphides, carbonates and silver sulphosalts. The mining and beneficiation processes produces arsenic-rich m...

Data: 2013   |   Origem: Repositório do LNEG

Impact of mining activity in Panasqueira (Central Portugal) : environmental and...

Candeias, Carla; Coelho, Patrícia; Silva, Eduardo Ferreira da; Salgueiro, Rita; Ávila, Paula Freire; Teixeira, João Paulo

Data: 2013   |   Origem: Repositório do LNEG

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    Financiadores do RCAAP

Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia