Search results for "AIG"
showing 10 items of 918 documents
Hot spots, indicator taxa, complementarity and optimal networks of taiga
2000
If hot spots for different taxa coincide, priority-setting surveys in a region could be carried out more cheaply by focusing on indicator taxa. Several previous studies show that hot spots of different taxa rarely coincide. However, in tropical areas indicator taxa may be used in selecting complementary networks to represent biodiversity as a whole. We studied beetles (Coleoptera), Heteroptera, polypores or bracket fungi (Polyporaceae) and vascular plants of old growth boreal taiga forests. Optimal networks for Heteroptera maximized the high overall species richness of beetles and vascular plants, but these networks were least favourable options for polypores. Polypores are an important gro…
Relaciones entre las aportaciones a la zona regable del río Jucar y la conductividad de la Albufera de Valencia.
2005
Las aportaciones a la zona regable del río Júcar condicionan la conductividad de la Albufera porque recibe las aguas sobrantes de riego. Se ha observado una relación inversa entre ambas variables. La demanda de agua para otras zonas pretende satisfacerse a partir del trasvase de los sobrantes de riego basándose en una mejora de la eficiencia del regadío. Estas actuaciones deben realizarse sólo cuando se aseguren previamente las aportaciones necesarias para mantener la calidad del lago. The water inflows to the irrigation area of the Júcar river determine the conductivity of the Albufera because it receives the surplus irrigation water. It has been observed an inverse relationship between bo…
Applying extracellular vesicles based therapeutics in clinical trials - an ISEV position paper.
2015
Extracellular vesicles (EVs), such as exosomes and microvesicles, are released by different cell types and participate in physiological and pathophysiological processes. EVs mediate intercellular communication as cell-derived extracellular signalling organelles that transmit specific information from their cell of origin to their target cells. As a result of these properties, EVs of defined cell types may serve as novel tools for various therapeutic approaches, including (a) anti-tumour therapy, (b) pathogen vaccination, (c) immune-modulatory and regenerative therapies and (d) drug delivery. The translation of EVs into clinical therapies requires the categorization of EV-based therapeutics …
Expectation of sensory stimulation modulates brain activation during visual motion stimulation.
2005
The differential effects of visual hemifield motion stimulation during fixation of a stationary target were compared under two conditions: fixation straight ahead without any further instructions and fixation straight ahead with attention shifted to the "dark hemifield." Data from nine right-handed volunteers revealed that striate and extrastriate right hemispheric visual areas exhibited larger activations during left hemifield motion stimulation when attention was shifted to the right dark hemifield. Montreal Neurological Institute (MNI) coordinates (26, -98, -4) of the additional clusters activated in the latter condition corresponded best to the kinetic occipital region, which is known t…
Phosphorus recovery by struvite crystallization in WWTPs: Influence of the sludge treatment line operation
2010
Phosphorus recovery by struvite (MgNH(4)PO(4).6H(2)O) crystallization is one of the most widely recommended technologies for treating sludge digester liquors especially in wastewater treatments plants (WWTP) with enhanced biological phosphorus removal (EBPR). In this paper, phosphorus recovery by struvite crystallization is assessed using the rejected liquors resulting from four different operational strategies of the sludge treatment line. Phosphorus precipitation and recovery efficiencies of between 80-90% and 70-85%, respectively, were achieved in the four experiments. The precipitates formed were mainly struvite, followed by amorphous calcium phosphate and, in some experiments, by calci…
Desmantling patriarchy: political practices and Spanish feminist movement slogans in the democratic transition
2010
espanolEl movimiento feminista en Espana adquirio su mayor desarrollo en los anos setenta con el inicio de la transicion democratica. El proceso transicional representaba una oportunidad para la reivindicacion de los derechos de las mujeres y poner las nuevas bases sobre el lugar que debian ocupar en la futura sociedad democratica, asi como para denunciar la represion que la dictadura impuso al colectivo femenino. Las campanas y practicas politicas desarrolladas por el movimiento feminista en Espana fueron acompanadas de simbolos y lemas que formaban parte de la produccion simbolica del movimiento feminista como movimiento social. Estas representaciones simbolicas ayudaron configurar una id…
Evaluation of the B‐method for determining actual evapotranspiration in a boreal forest from MODIS data
2007
Boreal forests occupy about 11% of the terrestrial surface and represent an important contribution to global energy balance. The ground measurement of daily evapotranspiration (LEd) is very difficult due to the limitations on experiments. The objective of this paper is to present and explore the applicability of the B-method for monitoring actual LEd in these ecosystems. The method shown in this paper allows us to determine the surface fluxes over boreal forests on a daily basis from instantaneous information registered in a conventional meteorological tower, as well as the canopy temperature (T c) retrieved by satellite. Images collected by the MODIS (moderate resolution imaging spectrorad…
Gas—liquid chromatographic analyses
1984
Abstract The gas chromatography (GC) of n -alkyl acetates (CH 3 COOR), chloroacetates (CH 2 ClCOOR), dichloroacetates (CHCl 2 COOR) and trichloroacetates (CCl 3 COOR), where the alcohol chain length (R) varied between 1 and 8, and certain of their monochlorinated derivatives, 176 compounds altogether, has been studied on SE-30 and OV-351 glass capillary columns under the same operating conditions. The isomeric monochlorinated esters are eluted in direct order from the 1- chloro to the ω-chloro isomer, the separation of the isomers being complete on OV- 351. On SE-30, however, the peaks of the 6- and 7-chlorooctyl esters are partly overlapped. The separation of the mixtures of odd- and e…
De Montaigne a Lope: distintos resultados de una misma decisión
2009
This essay presents the initial hypothesis of the diversity of cases shown by Lope de Vega’s theatre, that multiply perspectives and different endings from the same basic types of conflicts and designs, and tries to verify them with contemporary thought. This diversity is related with a certain type of discourse that has begun to spread out in the very beginning of the Renaissance and was gradually displacing the pre-eminence of universal principles (neo-platonic, or neoaristotelic and scholastic) for an invitation to casuistic analysis, an ethical modality applied that chose the concrete analysis of the concrete situation in front of the universally required dogmas. A type of discourse tha…
Carta que en defensa del autor Del arte del romance castellano escribe D. Alonso Platina a D. Antonio Gobeyos
1780
Vinyeta a port Filets Text a 1 col. - Notes a peu de p. - Reclams Sign.: [ ]2, 1(2), 2(6). - El quadern [ ] envolta els altres