Buscar
Mostrando ítems 21-30 de 376
Remoção de íons de metais pesados com bentonitas modificadas
(2001-06-23)
O presente trabalho apresenta o desenvolvimento
de um material sorvente a partir de bentonitas brasileiras
modificadas quimicamente com o objetivo de aumentar sua
capacidade de sorção de metais pesados e seu valor
agregado. ...
Heterogeneous photochemical reactions of decabromodiphenyl ether
(11/03/2009)
Brominated diphenyl ethers area major class of brominated flame retardants, with production of decabromodiphenyl ether (DBDPE) contributing significantly to this total. Although little is known about the mechanisms and ...
Prospección Geofísica Aplicada a la Arqueología – Importancia de los Procesos de Modelización y Simulación Numérica
(2008-06-30)
Los últimos años del siglo veinte se caracterizaron por el desarrollo de grandes proyectos científicos de los cuales conviene mencionar la aparición de medios de cálculo computacionales; estas herramientas permiten ...
A New Methodology for Massive Alarm Management System in Electrical Power Administration
(2009-07-01)
The paper presents a methodology that integrates several available techniques to manage the massive amount of alarm signals in electrical power dispatch control centers, as well as the contribution of each entity involved ...
Role of pH in partitioning and cation exchange of aromatic amines on water-saturated soils
(08/04/2001)
Predicting the reversible interactions between aromatic amines and soil is essential for assessing the mobility, bioavailability and exposure from contaminated sites. Reversible sorption mechanisms of aniline and α-naphthylamine ...
Resultados de la Identificación de Conglomerados y Proyectos Basados en I+D+i en Sectores Agropecuario y Agroindustrial Panameño al Año 2008
(2009-06-01)
La identificación de conglomerados y proyectos basados en I+D+I, ejecutada bajo el Proyecto “Estudio del sector agropecuario y agroindustrial panameño para identificar conglomerados y proyectos basados en I+D+I que fomenten ...
Propuesta de un Modelo Matemático para Calcular el Calentamiento de Conductores Eléctricos
(2010-07-02)
El presente trabajo tiene el objetivo de exponer los fundamentos físicos teóricos y resultados experimentales que se han obtenido luego de 4 años de investigación y experimentación con incendios en conductores ...
Climate change and environmental planning: Working to build community resilience and adaptive capacity in Washington State, USA
(07/01/2009)
This work focuses on the efforts being made by King County, Washington to respond to the challenges of global climate change, concentrating on both mitigation and adaptation. King County is a leader in the United States ...
Experimental Validation of the Structural Fuse Concept
(2008-06-30)
Seismic design relies on inelastic deformations through hysteretic behavior. However, this translates into damage on structural elements, permanent system deformations following an earthquake, and possibly high cost for ...
A survey and field study on the present state and changes for quality management in Japanesse manufacturing companies
(2009-04-15)
The level of quality management has recently been said to be deteriorating among top-rated, Japanese manufacturers. The manufacturers seem to have shifted their priorities from achieving high quality to responding to rapid ...