摘要:
The invention relates to a device (100) for configuring a multiphase fluid consisting of at least two immiscible phases on either side of separation surfaces, which comprises: a chamber (110) containing a multiphase fluid, a means (155) for generating a temperature gradient along the chamber in order to vary the surface tension of the separation surfaces along the chamber and to cause at least one of the phases of the multiphase fluid to move, and a means for extracting the multiphase system. In some embodiments, the means (155) for generating a temperature gradient comprises at least one electrical resistor formed on the surface of the chamber in order to provide a variable heat density along the wall of the chamber (110).
摘要:
The invention relates to a driver assistance system for supplying information to a vehicle travelling on an infrastructure, comprising: electromagnetic wave transmitting means on-board the vehicle, comprising at least one transmitting antenna arranged to transmit variable-frequency electromagnetic waves to reflectors installed in the infrastructure; electromagnetic wave receiving means on-board the vehicle, comprising at least one receiving antenna, arranged to receive the electromagnetic waves reflected by the reflectors; and processing means configured to extract data representative of the distance between the reflectors and the vehicle from the electromagnetic waves reflected by the reflectors and captured by the receiving means.
摘要:
The invention relates to a composition comprising, or even consisting of, at least one catalyst (C1) comprising at least one atom of an element (M1) chosen from: A1, Sc, Ti, Mg, Mn, Fe, Co, Ni, Cu, Zn, Zr, Sn, Hf, Pb, Si, Sb and In; a catalyst (C2) comprising at least one atom of an element (M2) chosen from alkali metals and alkaline-earth metals; a thermosetting resin and/or a hardener for a thermosetting resin. The invention also relates to the use of this composition for rendering a resin which is in the thermoset state hot-deformable and nevertheless free of any residual stress after the deformation thereof; such a resin will advantageously retain its shape even if it is subsequently subjected to high temperatures. The invention relates, moreover, to kits for preparing the composition, to a thermoset-resin-based object obtained from a composition of the invention, to a process for manufacturing objects, to a process for hot-deformation of objects and to various possible uses of the compositions and objects of the invention.
摘要:
The present invention relates to a microchannel (7) formed at the interface of two layers of material (8, 9), at least one of the two materials being a substrate (9). A volume of the microchannel (7) contains a film (10) of polymer fixed by covalent bonding to the substrate layer, said film of polymer being formed from a hydrogel material susceptible to undergoing changes in volume under the action of an external stimulus. The hydrogel polymer is chosen from those which are sensitive to changes in temperature, light, electrical field or pH. The invention further relates to the method for producing the microchannel according to the invention.
摘要:
Polymer network composition comprising a semi-crystalline covalently crosslinked polymer network including exchangeable covalent bonds and crosslinking bonds and at least an exchange reaction catalyst, wherein the number of crosslinking bonds is sufficient for the polymer network to be beyond the gel point and the number of exchangeable bonds is sufficient for the network to relax stresses and/or flow when conditioned at an appropriate temperature. Such compositions are characterized by the fact that the network is able to reorganize by exchange reactions that allow it to relax stresses and/or flow while maintaining network connectivity.
摘要:
The present invention relates to an electronic device comprising a substrate and at least two electrodes spaced by a nanogap, wherein the at least two electrodes are bridged by at least one nanoparticle and wherein the at least one nanoparticle has an overlap area with the at least two electrodes higher than 2% of the area of the at least one nanoparticle. The present invention also relates to a method of manufacturing of said electronic device and to the use of said electronic device in photodetector, transistor, phototransistor, optical modulator, electrical diode, photovoltaic cell or electroluminescent component.
摘要:
The invention relates to a method for trapping particles (2) contained in a fluid (3) including at least the steps of generating a coherent light beam (5), diffusing the coherent light beam using a passive diffusive element (7) to yield a diffused beam (8) having a field of optical speckles (9), and causing the diffused beam to interact with a plurality of particles contained in a fluid.