Abstract: The present application relates to valorization of lignin products. More specifically, the present application relates to conversion of lignin to added-value products. The present application includes a process for modifying lignin, said process comprising: treating lignin material in a basic aqueous solution to obtain a mixture; submitting the mixture to ultrasonic treatment in the presence of at least one carboxyalkylating agent to depolymerize and carboxyalkylate the lignin to obtain carboxyalkylated oligomeric lignin.

Abstract: A method and an apparatus for desizing and/or shrinking a textile fabric, the textile fabric having a length and a width, the method including moving, lengthwise, the fabric, and wetting the fabric within a first pool of liquid, the first pool of liquid including water; passing the fabric through a chamber, and in the chamber contacting the fabric with at least one heatable roller heated at a treatment temperature; soaking the fabric with a main pool of liquid, the main pool of liquid including water; and treating the fabric with ozone. The apparatus includes a first module for wetting the fabric, a second module with a heatable roller for heating the fabric, a third module for soaking the fabric, and fourth module for treating the fabric with ozone. The second module may optionally be integrated with the first module.

Abstract: A method comprising the following steps: a) bonding a handle substrate including a base and raised elements to a substrate of interest including a support substrate covered with a thin film, the thin film including a material sensitive to an etchant, whereby the thin film includes first areas not covered with the raised elements and second areas covered with the raised elements, b) performing an etching with the etchant to remove the material sensitive to the etchant present in the first areas, the second areas being protected during the etching, whereby the thin film is structured in the form of raised patterns, c) separating the handle substrate from the substrate of interest.

Abstract: A multichannel transmitter device includes, on each channel: a transmission processing channel designed to process an input signal and comprising a predistortion block applying a predistortion to the input signal on the basis of predistortion coefficients, a DAC, a first analogue filter, a power amplifier and a sigma-delta encoder between the predistortion block and the digital-to-analogue converter and designed to carry out notably a quantization of the predistortion block; a return channel associated with the transmission processing channel and comprising a block for estimating predistortion coefficients so as to estimate predistortion coefficients on the basis of the input signal and of a feedback signal; the transmitter device wherein the block for estimating predistortion coefficients is designed to estimate the predistortion coefficients on the basis of at least the input signal and of a signal resulting from the subtraction, from the feedback signal, of a signal representing the quantization noise resu

Abstract: Some aspects of the disclosure relate to composite materials and cultivation systems with particular utility for use in aquaculture, for example cultivating various species of seaweed. The systems comprise at least one highly tortuous and often micro-fibrous material and at least one material having low tortuosity. These systems may be configured in a variety of shapes and associated with a number of different structures. Some of these composite materials and cultivation systems may be used in both direct and indirect seeding of macroalgae plants such as seaweed.

Abstract: Disclosed is a method for the temperature control of an electrochemical system comprising a stack of electrochemical cells and interconnection plates interposed between the electrochemical cells, means for supplying gas to the electrochemical cells and means for collecting gases produced by the electrochemical cells, and means for electrically connecting the system to the outside, wherein the electrochemical device also comprises heating means integrated into the stack, said heating means comprising at least a first and a second heating element, the first heating element being disposed in a first location in the stack and the second heating element being arranged in a second location in the stack, said method comprising steps of: applying a first control command to the first heating element and a second control command to the second heating element, said control commands being configured such that a thermal gradient in the stack in the direction of the stack is maintained substantially at a defined value.

Abstract: The present disclosure includes an endoprosthesis delivery system comprising an elongate member, such as a catheter, an endoprosthesis, and an end cap having one or more protrusions extending therefrom. The protrusions may assist in retraction of end cap into an outer sheath, such as an introducer sheath. In some examples, the protrusion includes fins. In some embodiments, the endoprosthesis delivery system further includes a covering member disposed about the endoprosthesis. The protrusions may support the covering member, which may extend beyond the distal end of the endoprosthesis and onto the end cap. In some embodiments, the end cap comprises a tapered profile, which may assist in retraction of the catheter tip and end cap into an outer sheath.

Abstract: An electrical device for generating a test pulse, includes at least one voltage generator configured for generating an input voltage pulse in a first phase; for each generator, a coil transformer for amplifying the input voltage pulse; a rectifier diode; a target circuit comprising at least one target complex impedance and a capacitive element, the target circuit having a first electrode connected to the cathode of the rectifier diode and a second electrode; a trigger circuit configured for triggering a second phase by discharging the capacitive element through the target circuit so as to apply the test pulse to the target complex impedance.

Abstract: The present description concerns a clock signal generation device (902) comprising: a microelectromechanical resonant element (504); and at least one nanoelectromechanical transduction element (512).

Abstract: Disclosed is a packing made up of a stack of plates, having been shaped to form corrugations in the plate and assembled to form a cross-corrugated packing block for a mass and/or heat transfer application, wherein the material of the packing plates is an open-pore metal foam, and in that the specific surface area of the packing is greater than 500 m2/m3 and in that the thickness (e) of the plate is less than 2 mm before the shaping operation.

Abstract: A bedding foundation has a linear actuator for moving a roller carriage forward and backwards. The roller carriage includes wheels which move along rails supported below a rigid platform having an opening extending through the platform. The roller carriage includes a lifter which raises and lowers a roller independently of the movement of the linear actuator. Regardless of the position of the linear actuator, the roller may be raised or lowered. The roller moves back and forth inside the opening extending through the rigid platform and imparts a massage movement to a mattress above the foundation.

Abstract: Methods, systems, and devices relating to an electronic scented candle that is convenient to use and enables rapid generation and dissipation of scented materials are described. One electronic candle device includes a shell that has a through hole, a flame element protruding through the through hole, an installation lid including a locking base to allow removable coupling of a fragrance container, a scent chamber including a locking clip, a first channel, a second channel, a third channel, and a fourth channel. The scent chamber is removably coupled to the locking base by the locking clip, and an air pump provided to supply pressurized air.

Abstract: A thermal detector includes a readout substrate, including a readout circuit; and an absorbent membrane suspended above the readout substrate and thermally isolated therefrom, and including a thermometer transducer electrically connected to the readout circuit. The thermometer transducer is formed by a plurality of thermometer diodes connected in parallel and the readout circuit is adapted to activate the thermometer diodes selectively. The thermometer diodes and the readout circuit are configured so as to have at least the following two electrical configurations: a first configuration where a total electrical current Id circulating in the thermometer transducer has a first value Id,1; and a second configuration where the total electrical current Id has a second value Id,2 different from Id,1.

Abstract: This device for stretching a patch intended to be applied to the skin, notably a cosmetic patch, comprises a patch applicator (2) provided with a support (4), a pusher (5) provided with a cavity (6) and with a mounting surface (7) for the patch (3) to be stretched, and a base portion (8) comprising a protuberance (9) which is provided with a receiving surface (10) for the support of the applicator and which can be fitted into the cavity (6) of the pusher such that, when the patch to be stretched is placed on the mounting surface (7) of the pusher and said pusher and the base portion are fitted together, the outer surface of the patch is stretched uniformly outwards and bears against the support (4) of the applicator.

Abstract: The invention relates to a method for manufacturing a thermoelectric device equipped with a heat sink, comprising the following steps: A) making (100) a first portion of said thermoelectric device, said first portion being equipped with a heat sink, step A) during which a first series of studs made of a semiconductor material with a given type of doping is deposited by additive manufacturing; B) producing (200) a second portion of the thermoelectric device, step B) during which a second series of studs made of a semiconductor material with another type of doping is deposited by additive manufacturing; C) assembling (300) the second portion of the device to the first portion.

Abstract: A method of detection of particles of a first type, called first particles (P1), present in a liquid (L), the liquid also containing particles of a second type distinct from the first type, and called second particles (P2), the liquid (L) being placed in a fluidic chamber, the first particles (P1) each having a density distinct from that of the liquid (L) and from that of each of the second particles (P2), the fluidic chamber having a closed volume occupied entirely by the liquid (L), the detection being achieved by capturing images of the fluidic chamber.

Abstract: The invention relates to a method and installation for transferring cryogenic fluid using a cryogenic-fluid transfer device comprising a first cryogenic-fluid distribution tank, said distribution tank storing a cryogenic fluid with a lower liquid phase and an upper gas phase, a second cryogenic receiving tank accommodating a cryogenic fluid comprising a lower liquid phase and an upper gas phase, a fluid transfer circuit connecting the first and the second tank, the transfer circuit comprising a first pipe connecting the upper parts of the first and second tanks and comprising at least one compressor configured to draw gas to be compressed from the receiving tank and to deliver the compressed gas into the distribution tank, the transfer circuit comprising a second pipe connecting the lower part of the distribution tank to the upper part of the receiving tank, the method comprising a step of pressurizing the distribution tank using the compressor via the first pipe and a step of transferring liquid from the dis

Abstract: A device comprises a treatment system to treat scalp or hair; one or more sensors configured to detect at least one spatial condition selected from device contact with scalp or hair, device distance to scalp or hair, and device location in relation to scalp or hair; a controller configured to send instructions to adjust the treatment system based on the detected spatial condition of the device.