Results 41 to 50 of about 112,812 (203)

A locally-blazed ant trail achieves efficient collective navigation despite limited information

open access: yeseLife, 2016
Any organism faces sensory and cognitive limitations which may result in maladaptive decisions. Such limitations are prominent in the context of groups where the relevant information at the individual level may not coincide with collective requirements ...
Ehud Fonio   +6 more
doaj   +1 more source

Metal Nanoparticles on Halloysite Applied in Stereoselective Hydrogenation of Tetrasubstituted Alkenes

open access: yesChemistry – A European Journal, EarlyView.
Composite materials based on metal nanoparticles supported on a naturally occurring nanotubular clay, halloysite (HAL), led to the diastereoselective hydrogenation of tetra‐substituted alkenes under relatively smooth conditions, mainly oxazolidinone‐based heterocycles.
Rosa Pich   +9 more
wiley   +1 more source

Des vertus de l'analyse de texte. Pour un tournant littéraire

open access: yesVersants, 2017
Si toutes les sciences humaines travaillent, d’une manière ou d’une autre, sur des textes, les spécialistes de l’analyse et de l’interprétation des textes complexes sont les critiques littéraires qui, à la différence des philosophes ou des théologiens ...
Peter Fröhlicher
doaj   +1 more source

Engaging the public in plant science: Communication facilitators and barriers of scaling up a citizen science campaign

open access: yesPeople and Nature, EarlyView.
Abstract Volunteers have been involved in nature observations for decades through citizen science initiatives, providing large data sets as well as problem identification that allow a more complete understanding of many natural phenomena. Although communication is a core component in citizen science, the key factors that determine its effectiveness in ...
Kristiina Gibson   +18 more
wiley   +1 more source

Does the All‐Star Award Affect Chinese Analysts' Performance? Evidence From a Regression Discontinuity Design and the Field Le prix All‐Star influence‐t‐il le rendement des analystes chinois ? Données probantes issues d'une régression sur discontinuité et du terrain

open access: yesContemporary Accounting Research, EarlyView.
ABSTRACT This paper examines the effect of the All‐Star award on the performance of Chinese financial analysts. Leveraging unique voting data from 2007 to 2016 and a regression discontinuity design (RDD), we find that the All‐Star award significantly enhances recipients' fundamental analysis. Awarded analysts issue more accurate earnings forecasts, and
Congcong Li, Shaokun Li, Hai Lu
wiley   +1 more source

Financial stability in sub-Saharan Africa: Does monetary policy matter?

open access: yesHeliyon
The SDGs give priority to a high-quality monetary policy via domestic credit and the money supply. This objective has been widely studied and a rich literature exists on the subject.
Linda Tiague Zanfack   +3 more
doaj   +1 more source

Évaluation de la performance dans les tribunaux administratifs : synthèse critique de la littérature et agenda de recherche

open access: yesCanadian Public Administration, EarlyView.
Sommaire À première vue, l'évaluation de la performance s'accommode difficilement avec les principes de fonctionnement des institutions investies d'une fonction juridictionnelle. C'est pourquoi une littérature émergente, mais fragmentée, s'intéresse à son adoption dans les tribunaux administratifs.
Mah Aristide Dion
wiley   +1 more source

Le film comme moyen de recherche fondamentale - bases de ses possibilites d'exploitation [PDF]

open access: yes, 2012
Die Bedeutung des Films als Meßmethode entspricht der Relevanz von Bewegungsvorgängen im Rahmen der wissenschaftlichen Problemstellungen, Die bisherigen Auswertverfahren lassen einen großen Teil der im Film gespeicherten Information unausgenutzt und sind
Bereiter-Hahn, Jürgen
core  

Effect of growth conditions on optical properties of CdSe/ZnSe single quantum dots

open access: yes, 2002
In this work, we have investigated the optical properties of two samples of CdSe quantum dots by using submicro-photoluminescence spectroscopy. The effect of vicinal-surface GaAs substrates on their properties has been also assessed.
D. Schikora   +9 more
core   +3 more sources

Des commissions d’enquêtes aux revues savantes : Le long parcours des économistes québécois francophones vers l’autonomie universitaire (1939-1975) [PDF]

open access: yes, 2008
L’institutionnalisation des sciences économiques est très fortement liée à la consolidation de l’État-nation et à la croyance que tout État peut et doit intervenir sur l’économie pour affirmer sa souveraineté nationale.
Fournier, Jonathan
core   +1 more source

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