Results 11 to 20 of about 44,240 (192)

Fluorescence Mean-Lifetimes of a Series of Small and Bright Fluorescent Dyes. [PDF]

open access: yesLuminescence
Fluorescence mean‐lifetimes of a series of small and bright fluorescent dyes were measured in various solutions. It includes four rhodamines (Rho 6G 2+, Rho 6G 3+, ROX, TAMRA), four fluoresceins (5‐AF, FAM, 6‐TET, and 6‐HEX), three pyrenes, one borondipyrromethene (BODIPY FL), and one acridine (acridine orange). ABSTRACT Fluorescence mean‐lifetime is a
Boni L   +7 more
europepmc   +2 more sources

Formulation and evaluation of alternative to beeswax for vegan lipsticks. [PDF]

open access: yesInt J Cosmet Sci
Characterization of a cosmetic ingredient as a vegan alternative to beeswax. Investigation of binary oil–wax systems for cosmetic applications. Development of a predictive strategy for the formulation of vegan stick cosmetics. Abstract Honeybees' success is strictly linked to the chemical and application properties of their products: honey, beeswax (BW)
Loiacono M   +4 more
europepmc   +2 more sources

Enjeux épistémiques et politiques des recherches sur l’évacuation géologique des déchets nucléaires. Étude d’une controverse sur l’implantation d’un laboratoire souterrain dans la Vienne (1994-1998)

open access: yesCahiers François Viète, 2019
In the France of the 1990s, siting an underground laboratory is considered as essential for studying geological storage possibilities of nuclear waste.
Leny Patinaux
doaj   +1 more source

Le refusé allemand de la France inspiratrice (1827-1852). L’orage entre Pouillet et Péclet : une histoire d’Ohm…

open access: yesCahiers François Viète, 2015
Ohm, whose famous law is today one of the pillars of electricity, struggled to impose his mathematical physics, both in his country, dominated by Naturphilosophie, and abroad. In France, Pouillet, an academician with a brilliant career and a man of power,
Sylvie Provost
doaj   +1 more source

Le loup et le chien : Auguste Laurent contre Jean-Baptiste Dumas (1836)

open access: yesCahiers François Viète, 2015
The young chemist Auguste Laurent begins his career as a preparator for Jean-Baptiste Dumas, who has begun his meteoric rise to the top of French science.
Anne-Claire Déré
doaj   +1 more source

Les controverses environnementales. Entre conflit et consensus. [PDF]

open access: yes, 2014
International audienceLa controverse publique s'est imposée comme une forme récurrente de la dynamique démocratique. La montée des préoccupations environnementales a conforté cette pratique discursive, qui mobilise différents types de savoirs ...
Lafitte, Jérôme
core   +2 more sources

Quand la recherche en éducation aux sciences se propose d’examiner le point de vue d’étudiants sur les rôles et capacités des acteurs sociaux concernés par les controverses sociotechniques [PDF]

open access: yes, 2009
Dans cet article, nous problématisons l’appropriation de controverses sociotechniques par le biais de l’utilisation d’outils théoriques développés dans le domaine des science & technology studies.
Pouliot, Chantal
core   +1 more source

Préface

open access: yesCahiers François Viète, 2015
The science disseminated in the major schools, defended by the academies and advocated by the masters of the day also had its dissenters and its “refusers”. As is customary, it was in the public arena, through newspapers, that many rebels tried to spread
Anne-Claire Déré
doaj   +1 more source

L’agriculture biologique : controverses et enjeux globaux de développement en Afrique

open access: yesCahiers Agricultures, 2020
L’agriculture biologique offre plusieurs options pour documenter les transitions technologiques vers de nouveaux modèles de production, même si elle présente des aspects controversés : faiblesse des rendements, accessibilité aux normes, valeurs des ...
Temple Ludovic, de Bon Hubert
doaj   +1 more source

Il paradiso perduto dei giuristi? [PDF]

open access: yesRechtsgeschichte - Legal History, 2005
Rezensiertes Werk:Patrick Gilli, La Noblesse du Droit. Débats et controverses sur la culture juridique et le rôle des juristes dans l’Italie médiévale (XIIe – XVe siècles) Paris: Champion 2003, 372 pp., ISBN 2-7453-0975 ...
Mario Ascheri
doaj   +1 more source

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