Abstract: A method for liquefying a stream of hydrocarbons from a feed stream, including introducing the feed stream and a first cooling stream into a first heat exchanger, extracting a plurality of partial cooling streams obtained from the first cooling stream from the heat exchanger via separate outlets, introducing each partial cooling stream into an expansion element to produce a plurality of biphasic cooling streams at different pressures, introducing each biphasic cooling stream into a phase separator element to produce a gaseous cooling stream which is diverted from the first exchanger and a liquid cooling stream which is introduced into the first exchanger via respective inlets, evaporating each liquid cooling stream by heat exchange with at least the feed stream and the first cooling stream so as to extract a cooled hydrocarbon stream at the outlet from the first heat exchanger and to extract a plurality of evaporated cooling streams.

Abstract: The present invention relates to a process for producing hydrogen and for separating carbon dioxide from synthesis gas using a physical absorption medium. The process comprises the steps where the synthesis gas and the absorption medium are cooled; carbon dioxide is removed from the cooled synthesis gas via the cooled absorption medium in a physical absorption step at elevated pressure; laden absorption medium is treated in a plurality of flash stages, wherein co-absorbed carbon monoxide, hydrogen and carbon dioxide are separately removed from the laden absorption medium; hydrogen is separated from synthesis gas freed of carbon dioxide in a physical separation step, wherein hydrogen as product gas and an offgas comprising hydrogen, carbon monoxide and carbon dioxide are obtained; product gas hydrogen and carbon dioxide are discharged from the process. The invention further relates to a plant for performing the process.

Abstract: Self-supporting uniaxially expanded polytetrafluoroethylene (ePTFE) membranes that have high intrinsic strength, a high matrix modulus, and a high crystallinity index are provided. In some embodiments, the ePTFE membrane is stretched in the machine direction. Uniaxially oriented ePTFE membranes have a matrix tensile strength at least about 1000 MPa in the machine direction, a matrix modulus at least about 100 GPa ambient temperature (i. e., about 20° C.), and a crystallinity index of at least about 94%. In some embodiments, the ePTFE membrane has a tenacity greater than or equal to about 5 gf/d and a denier less than or equal to about 750 g/9000 m. In addition, the uniaxially oriented ePTFE membranes have a <P2> orientation of at least about 0.98. Also, the fibrils in the ePTFE membranes have a nearly perfect parallel alignment. The ePTFE membrane may be used to form composites, laminates, fibers, tapes, sheets, tubes, or other three-dimensional objects.

Abstract: Thin, self-supporting biaxially expanded polytetrafluoroethylene (ePTFE) membranes that have a high crystallinity index, high intrinsic strength, low areal density (i.e., lightweight), and high optical transparency are provided. In particular, the ePTFE membrane may have a crystallinity index of at least about 94% and a matrix tensile strength at least about 600 MPa in both longitudinal nd transverse directions. In addition, the ePTFE membrane is transparent or invisible to the naked eye through a complete conversion of the PTFE primary particles into fibrils. The ePTFE membrane may have a thickness per layer of less than 100 nm and a porosity reater than 50%. Further, the ePTFE membrane is stackable, which, in turn, may be used to control permeability, pore size, and/or bulk mechanical properties. The ePTFE membrane may be used to form composites, laminates, fibers, tapes, sheets, tubes, or three-dimensional objects. Additionally, the ePTFE membrane may be used in filtration applications.

Abstract: A method for programming at least one resistive memory cell of an array of resistive memory cells, includes a sequence of N programming cycles, N being an integer greater than or equal to 2, each programming cycle including a set procedure and a reset procedure, each set procedure including the application of a set technique chosen among a plurality of set techniques, the method including acquiring a bit error ratio value corresponding to each programming cycle for each set technique; and at each programming cycle, applying the set technique having the lowest bit error ratio value corresponding to the programming cycle.

Abstract: A plant for grinding a product, which includes a grinder in which the product is ground, which plant also includes a hopper for supplying the grinder with product to be ground, configured to be supplied with product to be ground; a means for bringing a cryogenic fluid into the hopper; and a means for discharging product from the hopper into the grinder. Wherein the hopper is provided in a lower part with a hollow screw provided with turns allowing the product to be discharged out of the hopper, into the grinder; and the means for bringing a cryogenic fluid into the hopper comprise an injection lance which is positioned inside the turns of the hollow screw, extending in a direction substantially parallel to the axis of the screw.

Abstract: The present invention relates to antibodies against the endothelin receptor subtype A, in particular monoclonal antibodies, fragments or derivatives thereof. The present invention also relates to the therapeutic or diagnostic use of this antibody or as a research tool in the field of cancers, in particular glioblastoma.

Abstract: Compositions that supplement and support nitric oxide availability to skin and methods of use include a first agent that is a precursor of nitric oxide, a second agent that facilitates production of nitric oxide by the first agent, and a third agent that antagonizes (i) nucleotide activation of skeletal muscle ryanodine receptors or (ii) cellular calcium influx. The first, second and third agents are mixed to form a composition suitable for topical application to skin. The composition may include an adenosine, arginine, carnosine, niacinamide, and a magnesium ion source, wherein application of the composition to a skin region increases cutaneous blood flow in the skin region compared to cutaneous blood flow in a similar skin region not treated with the composition, as measured by doppler ultrasound.

Abstract: A method for determining a spatial-sensitivity function of a gamma camera, the gamma camera observing a field of observation (?) liable to contain radiation sources, the gamma camera including a detector material; pixels, distributed over a detecting area, each pixel being configured to form a detection signal under the effect of detection of an interaction of an ionising photon in the detector material; a unit for achieving sub-pixel resolution, the unit being programmed to assign a position (x,y) to each detected interaction on the basis of detection signals formed by a plurality of pixels, the position being determined on a mesh dividing each pixel into a plurality of virtual pixels. The method includes steps allowing weights assigned to each virtual pixel to be determined, each weight corresponding to a sensitivity of each virtual pixel.

Abstract: A method for making an individualization zone of a microchip comprising a first level and a second level of electrical tracks, and a level of interconnections comprising vias. The method includes: providing the first level and a dielectric layer, making a hard metal mask on the dielectric layer, etching the dielectric layer through the mask openings by etching based on fluorinated chemistry, preferably oxidizing the hard metal mask by hydrolysis so as to form randomly distributed residues at certain openings, and filling the openings so as to form at least the vias of the level of interconnections, the vias comprising functional vias at the openings without residues and inactive vias at the openings with residues.

Abstract: A composition of matter that may be used as an eyebrow primer, and a method for using the composition of matter, are provided. The composition of matter may include at least 5% by weight of a transparent filler, a polyacrylamide thickener, at least 2% by weight of one or more high HLB surfactants, and a water-dispersed latex polymer. The composition of matter may be substantially free of oils.

Abstract: A switch including: first, second, and third electrodes; a region of phase-change material coupling the first, second, and third electrodes; and first, second, and third heater elements connected between a first surface of the region of phase-change material and the first, second, and third electrodes, respectively, the second and third heater elements being intended to modify the state of the phase-change material in first and second areas within said region.

Abstract: Composition in the form of an oil-in-water emulsion that includes at least 1% of an oil phase, and an aqueous phase. The composition includes 0.1 to 15 wt % spiculisporic acid relative to the total weight of the composition, at least one base selected from amino acids and alkanolamines in an amount suitable for forming at least a monosalt of spiculisporic acid, less than 3% glycol(s) and/or polyol(s) relative to the total weight of the composition, at least one UV filter and/or an additive selected from volatile aromatic materials such as essential oils and fragrance substances, fillers, dyeing materials such as pigments, mother-of-pearl or particles with a metallic sheen, moisturizers, anti-wrinkle or anti-age agents, peeling agents, antioxidants, active ingredients stimulating the synthesis of epidermal and/or dermal macromolecules, dermo-relaxing agents, depigmentation agents, deodorant agents and mixtures thereof.

Abstract: A method for producing an optoelectronic device having nitride-based microLEDs includes providing an assembly having at least one growth substrate and a nitride structure, where the nitride structure has a semipolar nitride layer that includes an active stack and crystallites extending from facets of the growth substrate with a crystalline orientation {111} to the first face of the semipolar nitride layer and providing an integrated control circuit featuring electric connection pads. The assembly is placed on the integrated control circuit, the growth substrate and the crystallites are removed, and trenches are formed in the stack so as to delimit a plurality of islets, each islet being configured to form a microLED.

Abstract: An apparatus for the separation of air by cryogenic distillation comprises a column system, a heat exchanger, a turbine, means for sending compressed and purified air at a first pressure to be cooled at the first pressure in the heat exchanger, means for sending a first gaseous stream having a nitrogen content at least that of air to be cooled and liquefied or pseudo liquefied in the heat exchanger to form a liquefied stream, means for sending at least part of the liquefied stream to be warmed and vaporized in the heat exchanger to a first intermediate temperature of the heat exchanger to form a vaporized stream, means for removing the vaporized stream from an intermediate section of the heat exchanger, a conduit for sending the vaporized stream to be expanded, in the turbine to form an expanded stream, a conduit for sending at least part of the expanded stream to the column system, a conduit for sending a second gaseous stream having the same nitrogen content as the first stream to be cooled in the heat exch

Abstract: A device for ultrasonic object detection, having at least two independent transducers that are able to emit at least two ultrasonic signals respectively in order to produce reflected ultrasonic signals in return, and able to receive the reflected ultrasonic signals, wherein it has an electronic processing unit configured so as to convert the received reflected ultrasonic signals into respective spectrograms, in an audible frequency band, and form respective audible temporal signals through an inverse Fourier transform of the spectrograms.

Abstract: A device for protecting a mobile or static structure against the blast from an explosion or detonation and associated projections of material. The device includes a protective casing made of several materials, the protective casing being located at a distance from the structure to be protected and connected to the structure by an elastomer connection. The protective casing is elastically deformable so as to be able to deform elastically for the duration of the stress by oscillating to spread the energy of the blast from the explosion over its surface and over time in several directions, and then to return completely or partially to its original shape after a period of time.

Abstract: A method for producing a lithium-containing oxide comprising one or more metal elements, which can be used as an active material for an electrode, for example a positive electrode for a lithium battery, the method comprising the following successive steps: a) a step of bringing at least one coordination polymer into contact with a lithium source, the coordination polymer comprising the other metal element(s) interconnected by organic ligands; b) a step of calcining the mixture resulting from step a).