Jean-Marie Navarro

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The growth of inter-basin water transfers and the development of new irrigation facilities in southeastern Spain are responsible for a variety of ecological impacts. In spite of this, the construction of artificial ponds to keep water for intensive agriculture may also provide new habitats for breeding waterbirds. We counted waterbirds during the breeding(More)
Growth, sporulation, synthesis of δ-endotoxins, and toxicity against the larvae of Aedes aegypti and Culex pipiens were studied during fermentation of Bacillus thuringiensis H14 in a 20-L fermentor. Measurements of optical density and dielectric permittivity for biomass determination suggest a highly promising technique for on-line evaluation of(More)
The purpose of this work was to investigate the origin of the different solubility profiles of drugs against the polarity of solvent mixtures with a common cosolvent. Niflumic acid and caffeine where chosen as model drugs. The solubilities were measured at five or six temperatures in aqueous (ethanol-water) and nonaqueous (ethyl acetate-ethanol) mixtures.(More)
A thermophilic methanogenic bacterium, Methanococcus thermolithotrophicus, was grown on H2 and CO2 in both batch and continuous culture, in a fermentor equipped with either a straight blade impeller or a Rushton impeller. Production was continued until 470 l CH4·l-1 per day was obtained with a biomass of 3.5 g dry wt. l-1 under batch conditions.
We present microscopic calculations of neutrino propagation in hot neutron matter above nuclear density within the framework of the Random Phase Approximation. Calculations are performed for non-degenerate neutrinos using various Skyrme effective interactions. We find that for densities just above nuclear density, spin zero sound is present at zero(More)
M. Barranco,1 J. Navarro,2 and A. Poves3 1Departament d’Estructura i Constituents de la Matèria, Facultat de Fı́sica, Universitat de Barcelona, E-08028 Barcelona, Spain 2IFIC (Centro Mixto CSIC Universitat de València), Facultat de Fı́sica, E-46100 Burjassot, València, Spain 3Departamento de Fı́sica Teórica, C-XI, Facultad de Ciencias, Universidad Autónoma(More)
We have used the Arecibo Radio Telescope to search for millisecond pulsars in two intermediate Galactic latitude regions (7 < |b| < 20) accessible to this telescope. For these latitudes the useful millisecond pulsar search volume achieved by Arecibo’s 430-MHz beam is predicted to be maximal. Searching a total of 130 square degrees, we have discovered nine(More)
The rate of aeration of the medium in a solid state fermentation system for biomass production by Schwanniomyces castellii in a large column fermentor was found to influence the gradient of biomass yield at different bed heights. The variations were lower with a higher rate of aeration. These trends were used to formulate a successful strategy to ensure(More)
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