Artículos de revistas: Recent submissions
Now showing items 1481-1500 of 4968
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(1981)In three experiments a total of 23 sham‐operated and 63 brain‐lesioned killifish were maintained for 12½–16½ weeks under constant environmental conditions, with regular feeding. Regression of the testes and pituitary ...
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(1992)Abstract. The dynamics of the seed bank may provide clues to the process of recovery of the vegetation of disturbed sites. The role of the seed bank may be more important in areas with a seasonal climate than in areas where ...
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(2014)In this paper, an aspect of the national discourse of the early twentieth century in the territory of Tacna and Arica, in its sovereignty dispute between Chile and Peru, is analyzed. The corpus of the analysis focuses on ...
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(1976)First excited singlet and triplet electric dipole polarizabilities are reported. The π polarizability is calculated by means of a modified Rayleigh–Schrödinger perturbation theory and an SCF‐LCAO basis. The σ contribution ...
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(1993)An extended version of the Klopman–Salem equation of chemical reactivity, which incorporates the effect of an external electrostatic field in both charge and orbital contributions, has been applied to analyze the reactivity ...
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(John Wiley and Sons Inc., 2016)© 2016 Wiley Periodicals, Inc. Neurons are highly polarized cells that contain specialized subcellular domains involved in information transmission in the nervous system. Specifically, the somatodendritic compartment ...
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(1986)SCF‐CNDO/2 calculations, including solvent effects via an extended version of the Generalized Born Formula (GBF), have been performed for LiX(H2O) species (n = 1,2; X = F, Cl). Several minima in the free energy surface, ...
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(Elsevier B.V., 2016)© 2016 Elsevier B.V. and Société Française de Biochimie et Biologie Moléculaire (SFBBM) We have proposed an allosteric ATP inhibition mechanism of Pfk-2 determining the structure of different forms of the enzyme together ...
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(Springer Netherlands, 2017)© 2016, Springer Science+Business Media Dordrecht. Context: Interactions between landscape-scale processes and fine-grained habitat heterogeneity are usually invoked to explain species occupancy in fragmented landscapes. ...
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(1990)Aribiotic resistance to the aphid Sitobion avenae was assessed in relation to levels of hydroxamic acids (Hx) in a wide genetic range of cultivars and species of Triticum. Within hexaploid and tetraploid Triticum material, ...
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(1992)In a screen of seedlings of a worldwide range of 47 cultivars of Triticum (mainly T. aestivum) the concentration of the hydroxamic acid DIMBOA ranged between 1 and 8 mmol/kg fresh wt. In a bioassay in which alatae of the ...
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(Springer Verlag, 2017)© 2016, Springer-Verlag Berlin Heidelberg.Several studies have suggested that penguins are undergoing a major restructuring of their feeding habits and distribution after drastic climatic changes in the Antarctic Peninsula ...
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(Springer New York, 2016)© Springer International Publishing Switzerland 2016.Carotenoids are the most important biocolor isoprenoids responsible for yellow, orange and red colors found in nature. In plants, they are synthesized in plastids of ...
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(Springer New York, 2016)© Springer International Publishing Switzerland 2016. Carrot (Daucus carota) is one of the most important vegetable cultivated worldwide and the main source of dietary provitamin A. Contrary to other plants, almost all ...
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(Kluwer Academic Publishers, 2015)© Springer Science+Business Media Dordrecht 2014. In this work, we report the nanodecoration of microcrystals of inclusion compound (IC) of γ-cyclodextrin (γ-CD) that contain octanethiol, decanethiol and dodecanethiol. ...
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(Taylor and Francis Ltd., 2016)© 2016 Biodiversity Conservancy International.The biogeography of the Southern Ocean reflects complex interactions between major macro-evolutionary forces and biotic elements. Major gateway openings, the establishment of ...
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Nonlinear localized modes in dipolar Bose-Einstein condensates in two-dimensional optical lattices (Elsevier B.V., 2016)© 2016 Elsevier B.V. We analyze the existence and properties of discrete localized excitations in a Bose-Einstein condensate loaded into a periodic two-dimensional optical lattice, when a dipolar interaction between atoms ...
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(Elsevier, 2016)© 2016 Elsevier B.V. The main objective of this article is to analyse the relationship between human well-being (HWB) and ecosystem services (ES). We studied the Río Cruces watershed (Chile) as a social-ecological system ...
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(Springer Verlag, 2017)© 2016, Springer-Verlag Berlin Heidelberg. The understanding of the spatial and temporal patterns in land use and land cover (LULC) change is a key issue for conservation efforts. In the Chilean hotspot, different studies ...
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(Taylor and Francis Ltd., 2017)© 2016 Informa UK Limited, trading as Taylor & Francis Group.Two unusual caprolactam alkaloids, 3-(dimethylamino)hexahydro-2H-azepin-2-one and 3-(methylamino)-hexahydro-2H-azepin-2-one, were isolated from the aerial parts ...