1000 resultados para 51 Antropología


Relevância:

20.00% 20.00%

Publicador:

Resumo:

Publicado en diciembre de 1984

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Incluye Bibliografía

Relevância:

20.00% 20.00%

Publicador:

Resumo:

We prepared a W/WO3/TiO2 bicomposite photoanode by simple electrochemical anodization of W foil, followed by cathodic electrodeposition of TiO2 and annealing at 450 C for 30 min. This photoanode shows good photoactivity under irradiation with UV and visible light. In optimized conditions, it promotes complete photoelectrocatalytic oxidation of 3.33 × 10-5 mol L-1 basic red 51 solution (which is used in hair dye) at 0.1 mol L-1 Na2SO4, pH 2.0, under a current density of 1.25 mA cm-2 and ultraviolet and visible radiation-total organic carbon removal is 94 and 88%, respectively. This effect paves the way for the sustainable solar-assisted remediation of water bodies contaminated with organic components of hair dyes. © 2013 Elsevier Ltd. All rights reserved.

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Pós-graduação em Ciências Biológicas (Microbiologia Aplicada) - IBRC

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Social Cohesion: Inclusion and a Sense of Belonging in Latin America and the Caribbean Fiscal Policy in Boom Times Op-ed by ECLAC's Executive Secretary, José Luis Machinea: For Latin America and the Caribbean, a Time of Opportunities and Threats Highlights: eLAC2007 Regional Action Plan: New Regional Group Works for an Inclusive Information Society. By Marta Maurás, Secretary of the Commission, ECLAC Indicators Corporate Governance, Social Responsibility and Business Strategies in Latin America Recent titles Calendar of events

Relevância:

20.00% 20.00%

Publicador:

Resumo:

Cohesión Social: Inclusión y sentido de pertenencia en América Latina y el Caribe La política fiscal en tiempos de bonanza América Latina y el Caribe vive un tiempo de amenazas y de oportunidades. Columna de opinión de José Luis Machinea, Secretario Ejecutivo de la CEPAL Precisiones. Una 'nueva' concertación regional para una Sociedad de la Información inclusiva: El Plan de Acción Regional eLAC2007. Por Marta Maurás, Secretaria de la Comisión, CEPAL Indicadores Gobernabilidad corporativa, responsabilidad social y estrategias empresariales en América Latina Publicaciones recientes Calendario de eventos

Relevância:

20.00% 20.00%

Publicador:

Relevância:

20.00% 20.00%

Publicador:

Relevância:

20.00% 20.00%

Publicador: