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Mostrando ítems 61-70 de 20509
Avaliação econômica da alimentação de tilápias em tanques-rede com níveis de proteína e energia digestíveis
(2014-01-01)
We evaluated the economic responses of Nile tilapia in the final stage (450 to 800 g) fed diets containing five levels of digestible protein (DP): 20, 23, 26, 29 and 32% and two digestible energy levels (DE): 3,000 and ...
A cost-benefit analysis of deforestation in the Brazilian AmazonTexto para Discussão (TD) 455: A cost-benefit analysis of deforestation in the Brazilian AmazonA análise custo-benefício do desmatamento na Amazônia brasileira
(Instituto de Pesquisa Econômica Aplicada (Ipea), 2013)
Using ecological thresholds to evaluate the costs and benefits of set-asides in a biodiversity hotspot
(Amer Assoc Advancement Science, 2014-08-29)
Ecological set-asides are a promising strategy for conserving biodiversity in human-modified landscapes; however, landowner participation is often precluded by financial constraints. We assessed the ecological benefits and ...
Análise do custo-benefício de sistemas de cobertas em edificações comerciais para o clima de Natal/RN visando eficiência energética
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Arquitetura e UrbanismoConforto no Ambiente Construído; Forma Urbana e Habitação, 2009-02-26)
This research consists in studying the influence of the various type of construction systems of roofs with their energy efficiency as well as on the cost benefit for the commercial
buildings on the temperatures condition ...
Cost-benefit analysis of a photovoltaic power plant
(Elsevier, 2014-01)
This work evaluates the energy generated by photovoltaic generators with different mounting angles to the horizontal plane, and the optimum angle is estimated. Other aspects considered are the costs and legal framework ...