Results 91 to 100 of about 205,845 (215)
Zooplankton richness, abundance and biomass of two hypertrophic shallow lakes with different salinity [PDF]
, 2012 The zooplankton of lakes is controlled by biological and physico-chemical parameters. Among the former, predation by fish can determine the replacement of large-sized species by small-sized ones and among the latter, salinity exerts negative effects on ...
Cabrera, Gabriela Cecilia +3 more
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A semi-Markov model with memory for price changes
, 2011 We study the high frequency price dynamics of traded stocks by a model of returns using a semi-Markov approach. More precisely we assume that the intraday returns are described by a discrete time homogeneous semi-Markov which depends also on a memory ...
D’Amico G Petroni F +3 more
core +1 more source
M@GM@, 2010 Un sistema educativo deve aiutare chi cresce in una cultura a trovare un’identità al suo interno. Se questa identità manca, l’individuo incespica nell’inseguimento di un significato.
Annalisa Vio
doaj
Sticker systems over monoids [PDF]
, 2012 Molecular computing has gained many interests among researchers since Head introduced the first theoretical model for DNA based computation using the splicing operation in 1987.
Fong, Wan Heng +4 more
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Appropriate IPRs, Human Capital Composition and Economic Growth [PDF]
We generalize a standard technology diffusion model by allowing for IPRs regimes to be endogenously defined by the development level of each country.
Fabio Manca
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, 2011 [ES] Definición del término Pirámide manca en el diccionario Dicter. [EN] Definition of the word Pirámide manca in the dictionary Dicter.
openaire +1 more source
Investigación Valdizana, 2018 Las papas kurau, presentan atributos importantes, como resistencia a plagas y enfermedades, tolerancia a sequías. Sin embargo, pocas son las familias que cultivan.
Milka Tello Villavicencio
doaj
The role of triplet excitons in enhancing polymer solar cell efficiency: a photo-induced absorption study [PDF]
, 2009 Inclusion of heavy metal atoms in a polymer backbone allows transitions between the singlet and triplet manifolds. Interfacial dissociation of triplet excitons constitutes a viable mechanism for enhancing photovoltaic (PV) efficiencies in polymer ...
Guha, S., Scherf, U., Yang, K.
core +1 more source
The Expression of the Subjuntive in Older French [PDF]
, 1994 Aquest article examina la relació entre l'expressió del subjuntiu i la manca d'obviació del subjecte en francès antic. En primer lloc, demostro que les solucions que es basen en la rivalitat subjuntiu/infinitiu no poden explicar les dades del francès ...
Martineau, France
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New species of Staphylinidae (Coleoptera) from Republic of Moldova
One Health & Risk ManagementIntroduction. Saproxylic beetles are important components of biodiversity and are used for monitoring the quality of old-growth forests. Due to the substantial reduction of forested areas and low availability of dead wood, saproxylic beetles are ...
Svetlana BACAL +2 more
doaj +1 more source