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Spent FCC catalyst for preparing alkali-activated binders: An opportunity for a high-degree valorizatio
(2014-01-01)
Spent FCC catalyst is a waste from the petrochemical industry which has excellent pozzolanic properties, containing more than 90% silica and alumina. Its similarity to metakaolin creates interesting prospects for its use ...
Sedentary behaviours and its association with bone mass in adolescents: the HELENA cross-sectional study
(BIOMED CENTRAL LTDLONDON, 2012)
Background: We aimed to examine whether time spent on different sedentary behaviours is associated with bone mineral content (BMC) in adolescents, after controlling for relevant confounders such as lean mass and objectively ...
Relación entre el índice de aprobación escolar y los ingresos de los hogares para todas las provincias del Perú durante los años 2011-2019
(Universidad Peruana de Ciencias Aplicadas (UPC)PE, 2022-07-08)
El presente trabajo de investigación evalúa el impacto y la importancia de los ingresos de los hogares en el índice de aprobación escolar. Para ello, es importante conocer cuánto destinan de las familias en la educación ...
Association between diet and physical activity and sedentary behaviours in 9-10-year-old British White children
Objectives To examine the association between diet and physical activity and sedentary behaviours in 9–10-year-old children. Study design A cross-sectional study using data from the SPEEDY (Sport, Physical activity and ...
Is spending more hours in class better for learning?
(OECD, 2015-08)
Regardless of the type of school attended (public or private, advantaged or disadvantaged), 15-year-old students spent more time in mathematics lessons in 2012 than in 2003. The average amount of time spent in mathematics ...
Is spending more hours in class better for learning?
(OECD, 2015-08)
Regardless of the type of school attended (public or private, advantaged or disadvantaged), 15-year-old students spent more time in mathematics lessons in 2012 than in 2003. The average amount of time spent in mathematics ...
Energy beyond food: Foraging theory informs time spent in thermals by a large soaring bird
(Public Library of Science, 2011-11)
Current understanding of how animals search for and exploit food resources is based on microeconomic models. Although widely used to examine feeding, such constructs should inform other energy-harvesting situations where ...
A gestão pública e as inversões de ordem cronológica de pagamentos no município de Marília (2010-2013)
(Universidade Estadual Paulista (Unesp), 2015-09-08)
The Centre for Public Management analysed, between 2010 and 2013, all reversal processes in the payments chronological order of the city of Marília. Aiming to raise awareness among the citizens of Marilia over the ways in ...
Análise de eficiência técnica em saúde entre 1999 e 2006
(Instituto de Pesquisa Econômica AplicadaBrasília, 2013)
O objetivo deste estudo é avaliar a eficiência técnica produtiva dos gastos do governo brasileiro com a saúde, comparando o Brasil aos demais países no período entre 1999 e 2006, a partir de dados de 185 países provenientes ...