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Showing papers by "Technical University of Madrid published in 1979"


Journal ArticleDOI
TL;DR: The protection method used is complementary to the establishment and management of germ-plasm banks and is based on the reintroduction of living material into the areas where the species originally grew and the initial problems faced in the reintroductions and the preliminary results obtained.

28 citations


Journal ArticleDOI
TL;DR: In this article, the use of cylindrical mirrors to concentrate radiant energy onto a two-sided photovoltaic absorber has been studied and both theoretical and experimental results for the illumination intensity at the exit aperture were obtained for such a concentrator.

13 citations


Journal ArticleDOI
TL;DR: In this article, the effectiveness factor for the isothermal power-law decomposition of a reactant within symmetrical catalytic pellets is obtained from the solution of a single first order differential equation.

7 citations