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MONITORING OF COLD STRESS IN TREES BY ACOUSTIC EMISSION TECHNIQUE, THANKS TO WAVEFORM FEATURE ANALYSIS – ACOUFREEZE
Monitoring of cold stress in trees by acoustic emission technique, thanks to waveform feature analysis.
Provide a very fine characterization of hydrogen combustion in the presence of particles at microscopic scale. Develop a reliable macro-scale modeling, specifically accounting for all the features inherent to the reactive gas and its interactions with the particulate phase.
Iinflammation is now considered as an important feature in many pathological conditions. Among immune mediators, chemokines control leukocyte trafficking. Chemokines and their receptors are thus central to the inflammatory process and are attractive targets for the pharmaceutical industry.
Ciliopathies are human pathologies characterized by ciliary deficiency and whose major clinical features include brain defects. We are focusing our efforts to decipher the molecular mechanisms involved in these pathologies by studying mouse genetic models.
The circulation of water in the tree takes place under tension, that is to say in a condition physically metastable and subject to the risk of cavitation. Vulnerability to cavitation is a major feature of the drought resistance of trees.
Thanks to a joint experimental / theoretical approach, it is possible to identify and study new metal / ligand bonding modes. The ensuing complexes feature original properties that we seek to exploit, in particular in catalysis
Hierarchical clustering is a technique that allows to simultaneously capture features of complex data at different scales. The objective of this project is to develop new methods of hierarchical analysis based on their representation in the form of ultrametric distance and allowing the continuous optimization of hierarchical cost functions. These new methods can then be integrated into classical machine learning schemes.
Contrary to the traditional approach which consists in optimizing the machining process, our approach emphasizes the role of the microstructural features of the material and of the cutting tool on the surface integrity. The data collected can then be used to determine the optimal microstructure of the material corresponding to a specification and therefore the heat treatment to be performed, or even to optimize the design of alloys.
Functional dynamics of macrophage polarization during regeneration in zebrafish – MacrophageDynamics
At the heart of organisms as complex as the human body lie the macrophages. They are present within all the tissues, either resident or patrolling the organism to deal with any dead cells, injury or infections. While they may share common origins and features, they may have different flavours. Despite an historical wealth of knowledge about macrophage flavours and phenotypes in vitro, they are still poorly understood in vivo.
The scientific objective of NUCLEI is to make a breakthrough in understanding fundamental mechanisms of nucleation at sub-micron scale in order to rationally design and develop innovative heat exchangers with enhanced boiling heat transfer characteristics that minimize the energy demand. The influence of topographic and chemical features on the boiling process and especially on the incipience of the bubbles will be methodically studied.