Abstract: An O-ring seal consists of an elastomeric core (1) and a sheathing enclosing the core, said sheathing consisting preferably of two shell-like, thermoplastically coated PTFE films (3, 4). In the overlapping region (3a, 3b, 4a, 4b) of the films, the latter are connected together in a sealing manner, in that the thermoplastic coatings thereof are welded together by the laser transmission welding method. The sheathing is not connected to the elastomeric core (2).

Abstract: A resonant sensor includes a proof body that can be subjected to a torque of forces produced by an external mechanical structure, the body comprising at least: a first interface and a second interface that can each come into contact with the structure; at least two sensitive elements each arranged between these two interfaces; a sensitive element comprising a plate embedded in a frame secured mechanically to the interfaces, the frame being fixed to the interfaces by two opposite corners, the other two corners being free, a local increase in weight being produced in each corner; each plate being able to resonate under the effect of local mechanical excitations produced at particular points by excitation transducers bearing the plate at several resonant frequencies, sensors picking up the resonant signals produced at the particular points, measurement means measuring the resonant frequency shifts of signals which are linear combinations of the resonant signals picked up, the shifts being a function of mechanica

Abstract: A system for regulating the pressure of a high-temperature electrolysis or co-electrolysis (HTE) reactor or a fuel cell (SOFC) operating under pressure. The operation of the system includes: regulating the DH wet gas flow upstream of one of the chambers so as to ensure the electrochemical stability of the predetermined operating point; regulating the DO gas flow upstream of the at least one second chamber so as to ensure gas scavenging in the at least one second chamber, and in the enclosure; regulating the flow of second gas circulating in the enclosure, downstream of the enclosure, so as to ensure the detection of leaks and safety in relation thereto and to prevent the formation of an explosive atmosphere; and controlling the pressure, by means of the regulation valves arranged downstream of the stack, on the gases, including the wet gas, which are also generally hot.

Abstract: A device (10) for packaging and dispensing a product comprises a container (12), a moveable piston (16) mounted inside the container (12) and delimiting one compartment (22) containing the product, and a dispensing member (14) mounted on the container (12) and comprising at least one outlet orifice (24) in communication with the compartment (22). The device (10) further comprises a pump system (18) mounted on the container (12) axially on the side opposite to the dispensing member (14) and comprising a push-button (28). Said pump system (18) is configured so that exerting a pressure on the push-button (28) results in a forward displacement of the piston (16) inside the container (12) towards the dispensing member (14) and subsequent releasing of said push-button (28) results in a backward displacement of said piston (16) away from said dispensing member (14).

Abstract: A solution for using elementary electrochemical components, manufactured from the same arrangement of materials and incorporated in a single electronic circuit, for information storage or for energy storage, is presented. Electrochemical components incorporating a first electrode, a second electrode and an active area between the two, can, by the application of different voltages for switching from a highly resistive state to a weakly resistive state or for switching from a state having one given electromotive force to a state having another electromotive force, be used respectively as a memory or as a battery.

Abstract: Systems and methods for detecting syringe seal defects are described, including associated syringe stopper designs having seal areas and indicating areas, as well as associated inspection systems and methods for optical imaging and analysis for syringe seal defects in dry and wet syringes.

Abstract: A filling assembly (12), comprising: a container (14) for storing a first fluid composition (38), a pipette (54) removably inserted in the container through an opening (22); and a plug (110) removably to a dispensing end (66) of the pipette, defining an inner compartment (112) isolated from the first fluid composition. The filling assembly comprises a holding element (56) configured to hold the pipette inside the container in a predetermined position while maintaining at least one aperture (70) within the opening, said aperture allowing for fluid communication between the outside and the inside of the container, so that the container and the pipette may be filled simultaneously with the first and second fluid compositions (38, 114) respectively, before assembling the second open end (62) of the pipette with a pressure supply device.

Abstract: Hair dyeing process comprising a phosphonic ethylenic polymer and a pigment The invention relates to a process for dyeing hair comprising at least one pigment and at least one phosphonic polymer derived from the polymerization of: (a) 45% to 95% by weight of ethylenic monomer bearing an at least C8 linear or branched alkyl group; (b) 5% to 25% by weight of vinylphosphonic acid monomer; (c) 0 to 50% by weight of additional monomer chosen from: (i) linear or branched C1-C6 alkyl (meth)acrylate or C6-C12 cycloalkyl (meth)acrylate non-silicone monomers; (ii) specific polydimethylsiloxane silicone monomers bearing a mono(meth)acryloyloxy end group.

Abstract: An optical article including a substrate with two main surfaces, at least one of which is covered by a polymer coating having an outer surface, said coating including a first superficial layer beneath the outer surface having a first refractive index n1 and a second layer beneath the first superficial layer having a second refractive index n2, with n2<n1 and having the lowest refractive index of said polymer coating, and said coating exhibiting antireflective properties due to the difference between refractive indexes n1 and n2, said refractive index difference within the coating resulting from a plasma, corona, and/or an ion beam treatment of an initial polymer coating, through the outer surface. Also, a method for manufacturing this optical article.

Abstract: Disclosed are hair styling compositions comprising at least two latex acrylate polymers, wherein at least one latex acrylate polymer is a film-forming polymer. Methods of styling the hair are also disclosed.

Abstract: The present invention relates to a dispensing system (10) comprising an assembly having a dispenser (11) of at least one cosmetic product, in particular makeup, and having at least two outlet interfaces (110), each of which can be mounted removably on the dispenser, the dispenser having at least two different base products and allowing these to be delivered in variable proportions, the outlet interfaces being able to receive the one or more products delivered by the dispenser.

Abstract: A method for etching a layer of assembled block copolymer including first and second polymer phases, the etching method including a first step of etching by a first plasma formed from carbon monoxide or a first gas mixture including a fluorocarbon gas and a depolymerising gas, the first etching step being carried out so as to partially etch the first polymer phase and to deposit a carbon layer on the second polymer phase, and a second step of etching by a second plasma formed from a second gas mixture including a depolymerising gas and a gas selected among the carbon oxides and the fluorocarbon gases, the second etching step being carried out so as to etch the first polymer phase and the carbon layer on the second polymer phase.

Abstract: A process and a plant for cooling a synthesis gas produced by catalytic steam reformation of a hydrocarbonaceous feed gas, which is cooled by heat exchange with boiler feed water for its conversion into steam, by separating the resulting aqueous condensate, wherein the further cooling is effected in that the gas passes through several series-connected cooling stages and comprises the heat exchange with the feed gas, with degassed and non-degassed boiler feed water for generating the steam required for the steam reformation, and with ambient air, and wherein condensate obtained after the last cooling stage is separated from the gas and the gas is discharged for the further treatment, wherein at least after a further cooling stage upstream of the last cooling stage a hot aqueous condensate is separated from the gas.

Abstract: A high-electron-mobility field-effect transistor includes a superposition of first and second layers of semiconductor materials so as to form an electron gas layer and includes a gate stack arranged on the superposition. The gate stack includes a conductive electrode and an element made of p-doped semiconductor material, arranged between the conductive electrode and the superposition. The gate stack includes a first dielectric layer arranged between the conductive electrode and the element made of semiconductor material. The element made of semiconductor material, the first dielectric layer, and the conductive electrode have aligned lateral flanks.

Abstract: A method for photoluminescence measurement of a sample that includes a front face and a rear face linked by a contour, the sample resting, via the rear face of same, on a receiving face of an active base. The sample also includes a first region partially delimited by the contour and that emits a photoluminescence signal of an intensity, referred to as the first intensity, that is lower at any point to the average intensity of the photoluminescence signal of the sample referred to as the reference intensity, the active base emitting a photoluminescence signal of an intensity, referred to as the secondary intensity, that is at least equal to the reference intensity. The active base includes an edge that is set apart from the contour by an overlap distance and that delimits, with said contour, a peripheral section of the active base.

Abstract: A touch surface device, comprising at least: an element comprising a first face forming the touch surface and a second face opposite to the first face; an acoustic wave sensor including at least one portion of piezoelectric material disposed between two electrodes, the portion of piezoelectric material and both electrodes being structured by forming surface wavinesses as wrinkles, the sensor being secured to the second face of the element such that apexes or valleys of the wrinkles are in contact with the second face of the element; an electronic circuit coupled to the electrodes of the sensor and configured to identify, from an electric signal intended to be outputted from the electrodes of the sensor, at least one touch gesture made on the touch surface.

Abstract: A method for observing a sample, the sample lying in a sample plane defining radial positions, parameters of the sample being defined at each radial position, the method comprising: a) illuminating the sample using a light source, emitting an incident light wave that propagates toward the sample; b) acquiring, using an image sensor, an image of the sample, said image being formed in a detection plane, the sample being placed between the light source and the image sensor; c) processing the image acquired by the image sensor, so as to obtain an image of the sample, the image of the sample corresponding to a distribution of at least one parameter of the sample describing the sample in the sample plane; wherein the processing of the acquired image comprises implementing an iterative method, followed by applying a supervised machine learning algorithm, so as to obtain an initialization image intended to initialize the iterative method.

Abstract: A collimation device of axis D, including a first surface placed in an outer medium having a first refraction index n1 and receiving an electromagnetic radiation delivered by a light source located at a distance L from the first surface, and a second surface delivering the collimated electromagnetic radiation. The collimation device is mainly made of a first material having a second refraction index n2 and the first surface is defined by the revolution around axis D of a profile defined in a plane perpendicular to axis D.

Abstract: An assembly includes an SOEC/SOFC-type solid oxide stack, a clamping system for clamping the stack, including at least two clamping rods that can be used to assemble upper and lower clamping plates, and a coupling system for high-temperature fluid-tight coupling of the stack to a heating system for supplying and discharging gas. The coupling system includes a collector with collection ducts for supplying and discharging gas, each provided with a collecting port positioned facing a corresponding communication port of at least one of the upper and lower clamping plates, and seals each placed between a collecting port and a corresponding communication port.

Abstract: At least some VOCs are removed from a feed gas in an adsorption unit comprising at least three adsorbers following a pressure cycle with a phase shift, wherein the feed gas comprises at least methane, carbon dioxide and volatile organic compounds (VOCs). The VOC depleted gas is fed to at least one membrane separation to produce a carbon dioxide-enriched permeate and a methane-enriched retentate. The flow of the feed gas stream is adjusted based upon one or both of a pressure or methane concentration of the gas stream entering the membrane separation unit and/or a pressure in the adsorption unit.