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Mostrando ítems 11-20 de 206143
Contato corporal entre adolescentes através da dança de salão na escola
(Universidade Estadual Paulista (Unesp), Instituto de Biociências, 2011-01-01)
The objective of this study was to identify the reaction and perception of adolescents in relation to body contact as well as emotional expressions through ballroom dancing. Forty-two adolescents from a public elementary ...
Mercury and DDT exposure risk to fish-eating human populations in Amazon
(Pergamon-Elsevier B.V. Ltd, 2011-01-01)
In order to investigate the potential risk of mercury and DDTs exposure to fish-eating human populations in Samuel Reservoir, not affected directly by gold-mining activities, the axial muscle of Cichla monoculus was analyzed. ...
Environmental management in Brazil: is it a completely competitive priority?
(Elsevier B.V., 2012-01-01)
Current studies indicate a need to integrate environmental management with manufacturing strategy, including topics like cross-functional integration, environmental impact, and waste reduction. Nevertheless, such studies ...
Forest natural regeneration and biomass production after slash and burn in a seasonally dry forest in the Southern Brazilian Amazon
(Elsevier B.V., 2011-05-01)
This study estimates the aboveground biomass accumulation after forest clearing and slash burning and describes the structure and successional development of the secondary forest in the seasonally dry southern Amazon. The ...
Hydrogen production utilizing glycerol from renewable feedstocks-The case of Brazil
(Pergamon-Elsevier B.V. Ltd, 2011-05-01)
Various reports concerning catalytic reaction of glycerol for hydrogen production is available. However, economic analyses of this activity are not found yet. The objective of this work is to evaluate the process of hydrogen ...
Laboratory evaluation of Amazon forest biomass burning emissions
(Pergamon-Elsevier B.V. Ltd, 2011-12-01)
Biomass samples representing Amazon forest native species were burned in laboratory experiments. These species were obtained in the deforestation arc, near the town of Alta Floresta, state of Mato Grosso, Brazil. Moisture ...
Espalhamento e estados ligados em potenciais localizados
(Sociedade Brasileira de Física, 2011-12-01)
Apresenta-se um formalismo simples que permite explorar o espalhamento quântico e os possíveis estados ligados em um potencial simétrico localizado de forma arbitrária de um modo unificado. A barreira e o poço quadrados ...
On the Dirac equation with PT-symmetric potentials in the presence of position-dependent mass
(Elsevier B.V., 2011-06-20)
The relativistic problem of fermions subject to a PT-symmetric potential in the presence of position-dependent mass is reinvestigated. The influence of the FT-symmetric potential in the continuity equation and in the ...
Dynamical erosion of asteroid groups in the region of the Pallas family
(Wiley-Blackwell, 2011-04-01)
In a previous paper, the current state of knowledge on the region of the Pallas dynamical family was revised. Here the dynamical evolution and possible origin of dynamical groups in the region are investigated. First, we ...
Gravitational effects of Nix and Hydra in the external region of the Pluto-Charon system
(Wiley-Blackwell, 2011-01-01)
Two new companions to the Pluto-Charon binary system have been detected in 2005 by Weaver et al. These small satellites, named Nix and Hydra, are located beyond Charon's orbit. Although they are small when compared to ...