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The purpose of this thesis is to study magnetic reconnection in collisionless and relativistic plasmas. Such plasmas can be encountered in various astrophysical objects (microquasars, AGNs, GRBs...), where reconnection could explain high-energy particle and photon produ...

The thesis focuses on the relation to academic writing in French as a foreign and second language (FFL/SL). Our objective is to propose an approach of academic literacy in FFL/SL, to describe and to understand the relation to writing in FFL/SL of the group investigated,...

This PhD thesis focuses on issues related to the financing, the determinants and the barriers of renewable energy (RE) in the energy transition. To address these issues, we focus in Chapter 1 at identifying the determinants of solar PV capacities' deployment, and at inv...

The first part of this thesis is dedicated to the modification of polyelectrolytes to form polyelectrolyte films with controlled and stretch responsive cell and protein adsorption properties. Poly(acrylic acid) (PAA) was modified with side phosphorylcholine groups (PC) ...

A classic understanding of neurotransmitter clearance at glutamatergic synapses is that, in order to ensure sufficient glutamate uptake on a fast timescale, it is necessary to have high numbers of glutamate transporters in the vicinity of release sites to compensate for...

Virus discovery has long depended on the observation of outbreaks, and the research to understand their pathogenicity depended on their culture. The advances of sequencing technology and molecular biology tech-niques allowed researchers to discover the ubiquity and the ...

Developed. The method is based on the two-dimensional micropolar continuum theory and makes use of the kinematic approach of limit analysis in conjunction with a rigorous homogenization technique. The method is introduced in a general way, with regard to the genericclas...

Decorated caves are extremely stable environments that have required Prehistoric People to select and/or to adapt their underground activities to the characteristics of the chosen site. Understanding their perception of the site then becomes a key element in interpretin...

We study corporate strategies led by both free-to-air and paid channels publishers following rapid and structural changes brought by the digital convergence. We structure our work into four main sections following a strategic approach of descriptive tradition, mainly in...

In order to not exceed the environmental planetary boundaries and ensure a good life for future generations, the food systems have to be sustainable. This thesis proposes to assess the sustainability of dietary patterns by integrating environmental, economic or socio-cu...