Results 1 to 10 of about 153,664 (225)

La chimie de A.-E. Baudrimont (1806-1880) : Prélude à la Chimie Physique [PDF]

open access: bronzePhilosophia Scientiæ, 2005
Science historians mainly know A.-E. Baudrimont as belonging to a group of French chemists from Haüy to Pasteur including Ampere, Gaudin, Laurent, Delafosse, who established links between crystallographic data and chemical reactions.In his 1844 book ...
Myriam Scheidecker-Chevallier
doaj   +2 more sources

Existe-t-il réellement un nouveau paradigme de la chimie verte ? [PDF]

open access: yesNatures Sciences Sociétés, 2014
La « chimie verte » est présentée par certains auteurs comme le nouveau paradigme de la chimie qui va lui permettre de répondre aux enjeux du développement durable. Nous discutons cette hypothèse en nous focalisant sur le domaine de l’
Nieddu Martino   +3 more
doaj   +1 more source

Designing an Organizational Intelligence Model with the Data Analysis Technique [PDF]

open access: yesعلوم و فنون مدیریت اطلاعات, 2023
Purpose: This research aims to design the organizational intelligence model of Foman Shimi Company based on the foundation's data analysis. Increasing volume of information and rapid environmental changes and the need to create a continuous relationship ...
Mohammad Mehdi Davali   +2 more
doaj   +1 more source

Lavoisier’s Traité élémentaire de chimie: At the Intersection of Chemistry and French

open access: yesSubstantia, 2023
Communication through language is crucial to properly disseminate knowledge and new discoveries in all disciplines.  Traité élémentaire de chimie by Antoine Lavoisier is regarded as the first modern Chemistry textbook and can be utilized as a teaching ...
Thomas Brown
doaj   +1 more source

Les enjeux de l’enseignement-apprentissage de la transformation chimique au secondaire I : regards croisés sur les prescriptions officielles et ressources formelles en Suisse romande et en France

open access: yesSchweizerische Zeitschrift für Bildungswissenschaften, 2023
Cet article propose d’interroger les conditions d’enseignement-apprentissage du concept de transformation chimique par des élèves de 13-15 ans, en Suisse romande et en France.
Marie Sudriès   +2 more
doaj   +1 more source

Multidimensional separation prior to mass spectrometry: Getting closer to the bottom of the iceberg [PDF]

open access: yes, 2013
While prefractionation has previously been shown to improve results in MS analysis, a novel combination provides an additional dimension of separation: protein fractionation by SDS-PAGE followed by IEF of tryptic peptides before separation by RP-LC ...
Mayr, Manuel, Rabilloud, Thierry
core   +4 more sources

Emergence of Different Perspectives of Success in Collaborative Learning

open access: yesCanadian Journal for the Scholarship of Teaching and Learning, 2019
Collaborative learning involves an interdependence between success of the individual and success of the group, requiring both personal preparation and teamwork.
Sarina Falcione   +6 more
doaj   +1 more source

On-line monitoring of the transesterification reaction between triglycerides and ethanol using near infrared spectroscopy combined with gas chromatography [PDF]

open access: yes, 2011
Many analytical procedures have been developed to determine the composition of reaction mixtures during transesterification of vegetable oils with alcohols.
Dubreuil, Brigitte   +4 more
core   +3 more sources

The World Before 1907: Searching for Chemical Literature before Chemical Abstracts. [PDF]

open access: yes, 2006
An overview of early abstracting sources for historical chemical literature prior to the launch of Chemical Abstracts in 1907.UT ...
Flaxbart, David
core   +1 more source

Sciences, technologie, société

open access: yesRevue Internationale d’Éducation de Sèvres, 1997
Le cours de chimie, Chemistry in the Community, n’est pas destiné à des spécialistes de cette discipline mais doit permettre à un plus grand nombre d’élèves de saisir les liens entre sciences, technologie et société.
Edward D. Britton
doaj   +1 more source

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