moteur_de_recherche

< Archives ouvertes < Signets < En accès libre < Ressources <
TwitterFacebook
Get flash to fully experience Pearltrees
catalogue

http://www.sist.sn/rubrique.php3?id_rubrique=3

Portail national SIST - SIST

Sélectionnez vos sources en cliquant dessus, ou utilisez les trois listes d’aide à la sélection qui vous sont proposées ou bien gardez celles sélectionnées par défaut
The effect of moult on eggshell mechanical properties, on composition and concentrations of organic matrix components and on eggshell microstructure was investigated. The observed changes were... Optimization theory has been used to analyze evolutionary adaptation. http://en.scientificcommons.org/

Scientific Commons | A Community for Scientific Information

Scientific Commons

http://www.scientificcommons.org/ The effect of moult on eggshell mechanical properties, on composition and concentrations of organic matrix components and on eggshell microstructure was investigated. The observed changes were... Optimization theory has been used to analyze evolutionary adaptation. This theory has explained many features of biological systems, from the genetic code to animal behavior. However, these systems... The beginning of human life under time-laps Cinematography (2009)
http://www.oaister.org/

OAIster | Home

OAIster is a union catalog of millions of records representing open access resources that was built by harvesting from open access collections worldwide using the Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH). Today, OAIster includes more than 25 million records representing digital resources from more than 1,100 contributors. Access to OAIster A freely-accessible site for searching only OAIster records is available at http://oaister.worldcat.org/ . Additionally, OAIster records are fully accessible through WorldCat.org, and will be included in WorldCat.org search results along with records from thousands of libraries worldwide. They will also continue to be available on the OCLC FirstSearch service to Base Package subscribers, providing another valuable access point for this rich database and a complement to other FirstSearch databases.
http://www.scirus.com/

Scirus - for scientific information

is the most comprehensive scientific research tool on the web. With over 440 million scientific items indexed at last count, it allows researchers to search for not only journal content but also scientists' homepages, courseware, pre-print server material, patents and institutional repository and website information.