Results 31 to 40 of about 83,218 (226)

Synthesis of Conjugated Linear and Cyclic Polyynes by Selective Alkyne Metathesis

open access: yesAngewandte Chemie, Volume 138, Issue 17, 20 April 2026.
The formation of polyynes with an odd number of conjugated triple bonds is challenging, particularly for complex architectures since most established methods rely on irreversible C–C bond‐forming reactions. To address this, we have developed the synthesis of triynes via alkyne metathesis.
Julien Escudero   +12 more
wiley   +2 more sources

The role of archaeological sources in the construction of management models of natural hazards in the Roman Empire: the example of flood risk [PDF]

open access: yes, 2015
Cet article propose un essai de modélisation de la gestion des inondations par les sociétés urbaines de l’époque romaine, sur la base des sources archéologiques.
Allinne, Cécile
core   +1 more source

Deciphering Freeze–Thaw Dynamics In Rockwalls: A Novel Approach for High Accuracy Regional‐Scale Modeling

open access: yesPermafrost and Periglacial Processes, EarlyView.
ABSTRACT Using a large and novel array of instruments on five rockwalls in northern Gaspesia, their respective surface energy balances were calculated and their thermal regimes were measured and modeled to depths exceeding the seasonal frost penetration.
Tom Birien, Francis Gauthier
wiley   +1 more source

Géohistoire des risques « naturels »

open access: yesCalenda, 2018
Cette journée d’étude rassemblera des chercheurs s’intéressant à la géohistoire des risques naturels.
openaire   +3 more sources

Using Multi–Criteria Evaluation (MCE): Analytical Hierarchy Process (AHP) In Investigation of Erosion Phenomenon in Arid Zones (Case Study: Watershed of Bechar, Southwest of Algeria) [PDF]

open access: yesCinq Continents, 2018
Utilisation de l'évaluation multicritères (MCE): processus de hiérarchie analytique (AHP) dans l’investigation du phénomène d'érosion dans les zones arides (étude de cas: bassin versant de Bechar) L'érosion des sols est considérée comme un phénomène ...
Abdeldjalil BELKENDIL   +4 more
doaj  

Lacking data? No worries! How synthetic images can alleviate image scarcity in wildlife surveys: A case study with muskox (Ovibos moschatus)

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
This study investigates the integration of synthetic imagery, created with diffusion‐based models, to supplement limited training data and improve muskox (Ovibos moschatus) detection in zero‐shot (ZS) and few‐shot (FS) settings. ZS models detected more than 80% of muskoxen in real images, confirming the potential of synthetic data as a substitute for ...
Simon Durand   +4 more
wiley   +1 more source

Appareils de capture. Pour une sémiotique de la culture [PDF]

open access: yes, 2015
1noopenopenLancioni, TarcisioLancioni ...
Tarcisio Lancioni
core   +1 more source

Robo‐Saber: Generating and Simulating Virtual Reality Players

open access: yesComputer Graphics Forum, EarlyView.
Abstract We present the first motion generation system for playtesting virtual reality (VR) games. Our player model generates VR headset and handheld controller movements from in‐game object arrangements, guided by style reference gameplay examples. We train on the large BOXRR‐23 dataset and apply our framework on the popular VR game Beat Saber.
N. H. Kim   +5 more
wiley   +1 more source

De la conception à la sûreté des barrages de correction torrentielle

open access: yesSciences, Eaux & Territoires, 2010
Pour réduire les risques torrentiels, la protection par des mesures structurelles reste indispensable. L'analyse de l'efficacité globale des stratégies comprend deux volets, fonctionnel et structurel. Après un rappel des principaux types et fonctions des
J.M. TACNET, D. RICHARD
doaj   +1 more source

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