Search results for " Form"
showing 10 items of 4997 documents
Surface relief grating recording in azobenzene epoxy films
2018
This work has been supported by National research program IMIS2. I would like to thank Larisa Grigorjeva and Aleksejs Zolotarjovs from Institute of Solid state physics, University of Latvia for FTIR measurements.
Ebselen prevents chronic alcohol-induced rat hippocampal stress and functional impairment
2007
Background: Most of the previously published data suggest a role for oxidative or nitrosative stress in ethanol-induced nervous system damage. Moreover, ethanol is able to impair learning abilities in adult mammalian brain, a process suggested to be directly related to hippocampal neurogenesis. Ebselen, a synthetic compound with antioxidant properties, is able to prevent ethanol-induced impairment of neurogenesis in adult rats. The aim of the present work was to further demonstrate the ability of ebselen to prevent biochemical alterations, and preserve long-term potentiation (LTP) and learning abilities, in the hippocampus of chronic alcoholic adult rats. Methods: Biochemical markers of oxi…
Starptautisko ķīmijas olimpiādžu uzdevumu elektronisko risināšanas iespēju izpēte
2016
Starptautisko ķīmijas olimpiāžu uzdevumu elektronisko risināšanas iespēju izpēte. Veldre K., darba vadītājs doc. Dr. ķīm. Jāzeps Logins. Bakalaura darbs, 52 lappuses, 24 attēli, 4 tabulas, 22 literatūras avoti. Latviešu valodā. Darba literatūras apskatā īsi aprakstīta starptautisko ķīmijas olimpiāžu vēsture, un olimpiādes noteikumi, sniegts ieskats par mācību priekšmetu olimpiāžu lomu skolēna personības attīstībā un analizētas vairākas e-vides uzdevumu risināšanai. Darba praktiskajā daļā veikta novada olimpiādes treniņuzdevumu, atlases kontroldarba uz Baltijas valstu ķīmijas olimpiādi un 2015. gada starptautiskās ķīmijas olimpiādes uzdevumu pārvēršana elektroniskajā formā. Dažādos aspektos …
Formation et insertion des apprentis de niveau V, quelle relation rétablir ?
1990
International audience
L'insertion professionnelle des jeunes de niveau 5 en Franche-Comté en 1980
1983
Référence interne : 83024; Les données présentées sont le produit de l'enquête réalisée auprès des jeunes francomtois sortis d'année terminale de CAP ou de BEP au cours de l'année 1978-1979, et ayant quitté me système éducatif. Cette enquête, réalisée en 1980, appréhende la situation des jeunes neuf mois après leur sortie, en mars 1980, et les emplois qu'ils occupent, de façon à cerner leur devenir à la sortie du système éducatif, les conditions d'insertion dans la vie active, et les inter-relations entre caractéristiques de formation reçue, d'une part, et situation et caractéristiques d'emploi d'autre part.
L'orientation à l'issue du BEP
1996
International audience; Afin de mieux cerner les processus en jeu dans la poursuite d'études à l'issue du BEP, une étude a été réalisée sur un échantillon de 961 élèves scolarisés dans une académie de province, dont les résultats peuvent être rapprochés de ceux d'une recherche semblable menée en 1990, pour examiner notamment si l'impact de l'offre de formation sur le processus d'orientation s'est modifié. Guidance course after BEP (Brevet d'Etudes Professionnelles). In order to define the process at stake in the pursuit of post-BEP studies, a survey was carried out on 961 pupils in an education establishment outside Paris, the results of which can be compared with those of a similar survey …
Operator splitting methods for American option pricing
2004
Abstract We propose operator splitting methods for solving the linear complementarity problems arising from the pricing of American options. The space discretization of the underlying Black-Scholes Scholes equation is done using a central finite-difference scheme. The time discretization as well as the operator splittings are based on the Crank-Nicolson method and the two-step backward differentiation formula. Numerical experiments show that the operator splitting methodology is much more efficient than the projected SOR, while the accuracy of both methods are similar.
Adaptive discontinuous evolution Galerkin method for dry atmospheric flow
2014
We present a new adaptive genuinely multidimensional method within the framework of the discontinuous Galerkin method. The discontinuous evolution Galerkin (DEG) method couples a discontinuous Galerkin formulation with approximate evolution operators. The latter are constructed using the bicharacteristics of multidimensional hyperbolic systems, such that all of the infinitely many directions of wave propagation are considered explicitly. In order to take into account multiscale phenomena that typically appear in atmospheric flows nonlinear fluxes are split into a linear part governing the acoustic and gravitational waves and a nonlinear part that models advection. Time integration is realiz…
Proposals for improvement of Annex I of Directive 92/43/ EEC: Central Italy
2021
The main purpose of the 92/43/EEC Habitats Directive is to contribute to the conservation of biodiversity, understood as habitat types and species of the flora and fauna of the European Union. To achieve this goal, natural and semi-natural biodiversity as a whole must be recognized and included in its annexes. As for the conservation of biotopes, named habitat types, Italy is unfortunately lacking as it the Annex I does not include important ecosystems that are typical of its territory, rare for biogeographical reasons or threatened. Therefore, the opportunity to identify a first list of significant habitats for central Italy is discussed here. For each of the new proposed types (new habita…
Sustainability of Pension Systems in the Baltic States
2016
Objective: The objective of the paper is to identify how the concept of sustainability is understood and ensured in the pension systems of Estonia, Latvia and Lithuania; and what implications it brings to the performance of pension schemes. Research Design & Methods: Analysis of various conceptual and methodological approaches to the notion of sustainability of pension systems. Comparative analysis of present pension legislation, as well as preceding stage of pension reforms, accompanied by a number of numerical models. Findings: The understanding of sustainability is limited by narrow ‘fiscal’ meaning in Latvia, compared to more a multifaceted concept that includes the principle of socia…