Results 11 to 20 of about 51,037 (205)

The discovery of trapped energetic electrons in the outer cusp [PDF]

open access: yes, 1998
We report on the POLAR/CEPPAD discovery of a trapped, 60°\u3cθ\u3c120° pitch angle electron population in the outer cusp (7−9+ Re), whose energetic electron component extends from below 30 keV to ∼2 MeV.
Chen, Jiasheng   +4 more
core   +2 more sources

Travelling in Darwin's Voyage of the Beagle (1839)

open access: yesCaliban: French Journal of English Studies, 2018
Dans cette lecture du Voyage of the Beagle publié par Charles Darwin en 1839 après son voyage de cinq années autour du monde (1831-1836), différentes acceptions du terme 'voyage' sont envisagées : transport, migration, lorsque Darwin fait le constat que ...
Raphaëlle Costa de Beauregard
doaj   +1 more source

Análisis de la Política de TransporteyAccesibilidad Universalen Ecuador = Analysis of the Transport Policy and Universal Accessibility in Ecuador

open access: yesTerritorios en Formación, 2020
Resumen Las políticas de transporte y accesibilidad universal en Ecuador han evolucionado desde el reconocimiento de los derechos de las personas con discapacidad en la Ley Orgánica de Discapacidades, de 2012.
Katherine M. Chacón Martínez
doaj   +1 more source

Containerisation in the Baltic Sea region: development, characteristics and contemporary organisation [PDF]

open access: yes, 2019
The main focus of the paper is on the container system development in the Baltic Sea Region studying cotemporary changes and organisation, as well as explaining the main driving forces of this situation.
Serry, Arnaud
core   +3 more sources

Integrating archaeology and ancient DNA analysis to address invasive species colonization in the Gulf of Alaska [PDF]

open access: yes, 2017
The intentional and unintentional movement of plants and animals by humans has transformed ecosystems and landscapes globally. Assessing when and how a species was introduced are central to managing these transformed landscapes, particularly in island ...
Dunning, Samantha   +6 more
core   +1 more source

Factoring: una alternativa de financiamiento como herramienta de apoyo para las empresas de transporte de carga terrestre en Bogotá

open access: yesRevista Finanzas y Política Económica, 2015
RESUMEN El subsector de transporte terrestre de carga tiene gran influencia en la competitividad de las exportaciones y el movimiento total de mercancías en el país; por lo tanto, a través de esta investigación, se evalúa la factibilidad financiera del ...
Diana Milena Carmona Muñoz   +1 more
doaj   +1 more source

A Review of the Genus \u3ci\u3eGryllus\u3c/i\u3e (Orthoptera: Gryllidae), With a New Species From Korea [PDF]

open access: yes, 2017
Gryllus is the most widely distributed genus of the Tribe Gryllini, and may be the largest; it includes 69 described species occupying most of the New World, Africa, and Europe, and much of Asia.
Alexander, Richard D
core   +2 more sources

Autostrade del Mare: non è solo una questione di acqua

open access: yesTeMA: Journal of Land Use, Mobility and Environment, 2009
Le Autostrade del Mare (AdM) si pongono come alternativa al trasporto terrestre di merci nel tentativo di decongestionare la rete viaria. Il programma “Autostrade del Mare” è previsto nel Piano Generale dei Trasporti approvato dal ...
Rosa Anna La Rocca
doaj   +1 more source

Exemple de distribution de la manière organique au quaternaire : sondage CNR VE-I,Venise Example of Organic Matter Distribution in the Quaternay: Cnr Ve-I Borehole, Venice

open access: yesOil & Gas Science and Technology, 2006
La matière organique des argiles du sondage CNR VE-1 a été étudiée par pyrolyse. Ce puit est carotté d'une manière presque continue jusqu'à 950 m. La teneur en carbone organique et les paramètres mesurés par pyrolyse ont été comparés avec l'environnement
Favero V.   +3 more
doaj   +1 more source

Global drivers of the conservation–invasion paradox

open access: yesConservation Biology, EarlyView.
Abstract The conservation–invasion paradox (CIP) refers to a long‐term phenomenon wherein species threatened in their native range can sustain viable populations when introduced to other regions. Understanding the drivers of CIP is helpful for conserving threatened species and managing invasive species, which is unfortunately still lacking. We compiled
Yanhua Hong, Zhiyong Yuan, Xuan Liu
wiley   +1 more source

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