4,375 datasets found

The production process of precipitated silica used as reinforcing fillersincludes a filtration step carried out to collect silica agglomerates in the synthesized...

This PhD looks at transportation as a key to Nepal. Geopolitical fluctuations have been determinant in the historical processes of openness and closure that have built...

La zonalité, ou répartition spatiale des phases minéralogiques est un phenomène general qui apparait au cours de nombreux processus pétrogénétiques, et en particulier...

This work tries to bring explanations to genesis and evolution of the reliefs bordering the South central Atlantic, in Angola and Brazil. According to this purpose, it...

L'étude des processus de différenciation des EGP entreprise dans ce travail, nécessite leur dosage à des teneurs d'ultra-traces. Une méthode analytique de dosage a été...

This PhD thesis deals with the conditions of illegal border crossing of the African migrants in the south of Spain and with their logics of insertion in the Andalusian...

Due to their potential performance and unmatched flexibility, FPGA-based accelerators are part of more and more high-performance computing systems. However, exploiting...

The main hypothesis of this study is that the works of Maurice Blanchot (collections of critical essays, novels as short stories) are part of a metapolitical projet...

The action of an AC magnetic field on a thin liquid metal layer is studied in an experimental and theoretical way. In the first chapter, the experimental bench is...

The most obvious characteristic of the terrestrial interface is its heterogeneity. Phenomenologically, this one, human or natural, show limits that define the forms...

The macroscopic properties of a polymer can be tuned by including small inorganic particles, forming a composite. Recently, special attention was given to reducing the...

The current economic environment has created a strong need for innovation in companies. To overcome the concurrence, they do not hesitate to use the innovation and...

The segmentation of abdomen organs in volumetric medical images is difficult due to noisy and low contrasted images. Classical segmentation technics based on edge...

The purpose of this thesis is to develop and illustrate various new methods for solving many classes of Cauchy singular integral and integro-differential equations. We...

We consider the general problem of microphone array signal processing in diffuse noise environments. This has various applications epitomized by speech enhancement and...

This thesis presents the elaboration and a thermal, hygrometric and structural study of Layered Double Hydroxides (LDH's) based on [Zn-Cr], [Zn-Al] and [Cu-Cr] main...

In the general context of cultural heritage preservation campaigns, many digitization projects are being conducted in France and Europe to save the contents of...

Methamphetamine (METH) is a potent psychostimulant known to cause cognitive abnormalities and neurodegenerative changes in the brains of METH abusers. One approach for...

For 50 years, human-computer interaction has evolved permanently. Nowadays, real-time systems offer the user simple and intuitive interaction and adapt automatically...

This study focuses on different aspects of nuclear physics from low energies to intermediate ones. For the low energies, the nuclear matter is essentially constituted...