Abstract: A method for manufacturing a suspension of cellulose nanofibrils from an aqueous suspension of cellulose fibres is disclosed including the following steps: chemical treatment, in a reactor, of the aqueous suspension of cellulose fibres by at least one functionalising agent, the chemical treatment being configured to functionalise the cellulose fibres at a modification rate that is higher, indeed strictly higher, than 1.0 mmol/g, and mechanical treatment, in a twin-screw extruder, of the aqueous suspension of functionalised cellulose fibres, each screw of the extruder comprising at least two fibrillation segments. In accordance with at least one embodiment, this method makes it possible to produce a suspension of cellulose nanofibrils of good quality, with a high dry matter content, and while consuming less energy than the methods of the prior art.

Abstract: The present invention relates to a method for bleaching an unbleached or pre-bleached paper pulp comprising at least the following consecutive steps: a) preparing an unbleached or pre-bleached paper pulp having a pH of at least 8, b) bringing the paper pulp obtained at the end of step a) into contact with chlorine dioxide, c) when the pH of the paper pulp obtained from step b) is lower than 10, adding at least one Brønsted base to the paper pulp, d) adding hydrogen peroxide to the paper pulp obtained at the end of step c), e) maintaining the paper pulp obtained at the end of step d) in a first bleaching tower, f) optionally, adding sulphuric acid to the paper pulp obtained at the end of step e) and maintaining the obtained paper pulp in a second bleaching tower, the method dispensing with the need for a step of washing the paper pulp before the end of step e), and, if applicable, before the end of step f).

Abstract: The present invention relates to a method for bleaching an unbleached or pre-bleached paper pulp comprising at least the following consecutive steps: a) preparing an unbleached or pre-bleached paper pulp having a pH of at least 8, b) bringing the paper pulp obtained at the end of step a) into contact with chlorine dioxide, c) when the pH of the paper pulp obtained from step b) is lower than 10, adding at least one Brønsted base to the paper pulp, d) adding hydrogen peroxide to the paper pulp obtained at the end of step c), e) maintaining the paper pulp obtained at the end of step d) in a first bleaching tower, f) optionally, adding sulphuric acid to the paper pulp obtained at the end of step e) and maintaining the obtained paper pulp in a second bleaching tower, the method dispensing with the need for a step of washing the paper pulp before the end of step e), and, if applicable, before the end of step f).

Abstract: An apparatus for cooking food which includes a receiving container provided for receiving food, a stirring device arranged inside the receiving container, at least one main heating system and at least one ventilation motor for generating a heating airflow, the receiving container and the stirring device being designed to be imparted with a relative rotation movement.

Abstract: An apparatus for cooking food which includes a receiving container provided for receiving food, a stirring device arranged inside the receiving container, at least one main heating system and at least one ventilation motor for generating a heating airflow, the receiving container and the stirring device being designed to be imparted with a relative rotation movement.

Abstract: A method for producing mechanical paper pulp comprises: impregnating unprocessed wood, whereby unprocessed wood is exposed to an impregnating composition comprising at least a laccase enzyme and a formula mediator (I), wherein R1 and R2 are identical or different groups, chosen from among a hydrogen atom, a hydrocarbon chain, linear or branched, saturated or unsaturated, comprising 1 to 14 carbon atoms, wherein each hydrocarbon chain can be replaced by one or more functional groups chosen from among —OH, —SO3, benzyl, amino, mercapto, keto or carboxyl, wherein R1 and R2 in combination can form a cyclical structure, to achieve impregnation of the wood; and mechanically refining the impregnated wood, such that a mechanical paper pulp is obtained. The disclosure also relates to an impregnating composition used in this method and to the use thereof in a method for producing mechanical paper pulp, as well as to a method for producing paper.

Abstract: A healing and/or antibacterial composition in particular comprising honey, for use as a topical healthcare product on the skin or mucous membranes.

Abstract: A method of producing hardwood pulp is provided. This method comprises treating hardwood chips with one or more than one Family 11 xylanase enzyme in the absence of adding an oxidizing enzyme for about 5 minutes to about 120 minutes, to produce a treated chip mixture. The treated chip mixture is then mechanically refined to produce the hardwood pulp.

Abstract: A method for producing mechanical paper pulp comprises: impregnating unprocessed wood, whereby unprocessed wood is exposed to an impregnating composition comprising at least a laccase enzyme and a formula mediator (I), wherein R1 and R2 are identical or different groups, chosen from among a hydrogen atom, a hydrocarbon chain, linear or branched, saturated or unsaturated, comprising 1 to 14 carbon atoms, wherein each hydrocarbon chain can be replaced by one or more functional groups chosen from among —OH, —SO3, benzyl, amino, mercapto, keto or carboxyl, wherein R1 and R2 in combination can form a cyclical structure, to achieve impregnation of the wood; and mechanically refining the impregnated wood, such that a mechanical paper pulp is obtained. The disclosure also relates to an impregnating composition used in this method and to the use thereof in a method for producing mechanical paper pulp, as well as to a method for producing paper.

Abstract: The present invention relates to a method for the depolymerization of lignin or of derivatives thereof, including a step of heating the lignin or the derivatives thereof in the presence of a hydroxide of general formula M(OH)n or of a mixture of M(OH)n hydroxides, where M is a metal of the alkali or alkaline-earth family and n is equal to 1 or 2, and where the mass ratio between said hydroxide or mixture of hydroxides and the lignin or the derivatives thereof is comprised between around 0.5 and around 20.

Abstract: A method of producing hardwood pulp is provided. This method comprises treating hardwood chips with one or more than one Family 11 xylanase enzyme in the absence of adding an oxidizing enzyme for about 5 minutes to about 120 minutes, to produce a treated chip mixture. The treated chip mixture is then mechanically refined to produce the hardwood pulp.

Abstract: Device for correcting the line and/or frame fields of a deflector for cathode ray tube comprising: a current sensor for evaluating the value of a line current Il a series of comparators intended to compare the value of the line current Il with reference values a current sensor for evaluating the value of the frame current It an analogue/digital converter for converting the analogue value of the frame current a programmed correction memory which is addressed by the output signals from the comparators and from the analogue/digital converter so as to deliver to at least one digital/analogue converter, data which are dependent on the addressing signals a low-pass filter for filtering the output of the digital/analogue converter at least one correction coil for correcting the deflection fields of the deflector, and generating a correction field as a function of the output value from the low-pass filter.

Abstract: The invention relates to a multiwinding coil intended to serve as a deflection coil for a cathode ray tube. It is provided that on and/or between the winding wires an element made of polymeric material or a mixture of polymers situated within a delimited area of the coil. This enables “ringing” phenomena to be reduced.

Abstract: Device for correcting the line and/or frame fields of a deflector for cathode ray tube comprising: a current sensor for evaluating the value of a line current Il a series of comparators intended to compare the value of the line current Il with reference values a current sensor for evaluating the value of the frame current It an analogue/digital converter for converting the analogue value of the frame current a programmed correction memory which is addressed by the output signals from the comparators and from the analogue/digital converter so as to deliver to at least one digital/analogue converter, data which are dependent on the addressing signals a low-pass filter for filtering the output of the digital/analogue converter at least one correction coil for correcting the deflection fields of the deflector, and generating a correction field as a function of the output value from the low-pass filter.

Abstract: The invention relates to an inspection probe for an internal wall of a duct, comprising at least one sensor mounted in a support adapted to be moved inside the duct while pressing said sensor flat against said internal wall. The support is formed by a shell which is molded onto the sensor and comprises a body provided with a window for positioning said sensor and means for attaching said sensor flat against the internal wall of the duct, said means being integrally molded with the body. The invention has applications in the non-destructive testing of ducts in nuclear power plants.

Abstract: The invention relates to an inspection probe for an internal wall of a duct, comprising at least one sensor mounted in a support adapted to be moved inside the duct whilst pressing said sensor flat against said internal wall. The support is formed by a shell which is moulded onto the sensor and comprises a body provided with a window for positioning said sensor and means for attaching said sensor flat against the internal wall of the duct, said means being integrally moulded with the body.

Abstract: A method and device for monitoring and balancing individual batteries in a pack. The terminals of each battery, which are connected in series, is connected to an electronic monitoring and balancing device. Each of these electronic devices are ballasted for tapping off and dissipating part of the current of the corresponding battery if the characteristics of the battery are out of balance with respect to the others.

Abstract: A rail vehicle bogey includes a transverse chassis (1) carrying the body of the vehicle. Indepently motorized wheels are connected to the chassis via resilient hinges (6) including a pivotable hinge arm which supports a traction motor (20) for independently motorizing each bogey wheel. Each arm supports the traction motor by a cradle defined by two branches of the hinge arm forming a fork and interconnected at one end by a spacer. One fork of each arm constitutes a transmission housing between the motor (20) and a wheel (4), whose axis is offset with respect to the axis of the corresponding independently motorized wheel (4).

Abstract: The invention relates to a vehicle having steerable axles. A track guide icle comprises at least one pair of independent wheel axles, and at least two members (14, 15) for measuring the transverse position of the vehicle relative to the track, and it is characterized in that it includes at least one measuring member (20) for measuring the angle of the axles relative to references related to portions of the vehicle, and at least two actuator members (21) for correcting said angles by bearing against said axles, and a servo-control circuit receiving the signals from said measuring members and generating control signals for said actuator members.

Abstract: Apparatus including a magnet (10) having at least one degree of freedom w respect to a first member, tangent to the direction of measurement and cooperating with a magnetic portion associated with a second member, and a sensor (11) for picking up the position of the magnet relative to the first member. Such apparatus is employed in steerable railway vehicles.