Results 121 to 130 of about 172,621 (248)
Estimación de la tarifa de acceso al parque regional Johnny cay (san Andrés isla).
Ensayos de Economía, 2008 El establecimiento de tarifas de entrada a parques, no sólo representa una estrategia para la conservación ambiental de zonas protegidas, sino que también facilita su autofinanciamiento.
Johannie L Lames Cruz
doaj
On the influence of chemical kinetics on the combustion of fuels [PDF]
, 1966 The influence of chemical kinetics on the combustion of fuel droplets is studied by means of a theoretical model of the process which considers spherical symmetry and quasi-stationary conditions.
Sánchez Tarifa, Carlos
core
Hypersonic propulsion. Past and present [PDF]
, 1990 The change of the concept of hypersonic speed with time is in the first place briefly discussed. The evolution of the hypersonic propulsion is restricted to the history of the ramjets. Considering the abundance of excellent literature on the subject only
Sánchez Tarifa, Carlos
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La Investigación Aeronáutica y Espacial en España. [PDF]
, 1963 Hoy día se reconoce plenamente la influencia esencial que ejerce la investigación en el desarrollo económico de un país. La investigación, junto con la enseñanza, son los elementos fundamentales de la ciencia y de la técnica, las que a su vez constituyen
Sánchez Tarifa, Carlos
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Las tarifas endógenas en un modelo de agencia común: Un nuevo enfoque empírico aplicado a la India
, 2013 Olivier Cadot +3 more
openalex +2 more sources
The present state of the water exchange through the Strait of Gibraltar [PDF]
, 2015 The present two-way exchange through the Strait of Gibraltar stems from the fresh water deficit of the Mediterranean basin. The size of the exchanged flows is the outcome of the climatology over the basin and the morphology and internal hydraulics of the
García-Lafuente, Jesús
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Fixação de tarifas - DNAEE - Competência
Revista de Direito Administrativo, 1993 .
openaire +2 more sources
A study on the optimization of jet engines for combat aircraft [PDF]
, 1987 In the paper the optimization of jet engines for combat aircrafts is discussed. This optimization is referred to the selection of the valúes of the fan pressure ratio or by—pass ratio; máximum turbine inlet temperature; overall pressure ratio and máximum
Mera Diaz, E., Sánchez Tarifa, Carlos
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Revista Chapingo: Serie Ciencias Forestales y del Ambiente, 2011 Se estimaron económicamente los beneficios sociales generados por la implementación de un programa de recuperación y conservación que impacta los atributos del Parque Nacional Molino de Flores (PNMF).
Juan Walter Tudela Mamani +5 more
doaj