Abstract: The invention relates to a method of selectively removing hydrogen sulfide H2S from a gaseous effluent comprising at least H2S and CO2, wherein a stage of selective absorption of hydrogen sulfide over CO2 is carried out by contacting said effluent with a solution comprising (a) water and (b) at least the following diamine: 1,2-bis(2-dimethylaminoethoxy)ethane and wherein the absorption selectivity is controlled by adding (c) a viscosifying compound to the absorbent solution.

Abstract: The invention relates to a method for removing acid compounds contained in a gaseous effluent having a CO2 partial pressure greater than 200 mbar, using an aqueous solution comprising water, an amine comprising at least one primary or secondary amine function and the following diamine: 1,2-bis(2-dimethyl-aminoethoxy)ethane.

Abstract: A metal obturating element is capable of being resistance-welded to the outer side of an edge of a hole of a metal wall of a pressurized gas reservoir of a gas generator, including on a first side, a portion dimensioned for covering the hole and having an end intended to be inserted into the hole, and a portion for connecting the portion to the peripheral edge, having a surface tilted rearwards relatively to the end and around the portion, this surface intended to be welded to the outer side of the edge of the hole. The element is formed with a deep-drawn part. The tilted surface forms around the central portion an angle greater than or equal to 50° and less than or equal to 80° relatively to the axis. The part includes in a second side located opposite to the first side another surface tilted rearwards relatively to the end and this by at least one angle greater than or equal to 10° and less than or equal to 80° relatively to the axis.

Abstract: The damping device (10) according to the invention is designed to damp a shock in a longitudinal direction (X). It includes a central pad (12), designed to be secured with a first member (14A) of the coupling device (14), and two side wings (18), each formed by a thin plate extending in the longitudinal direction (X). Each side wing (18) includes at least one first longitudinal region (20), secured to the central pad (12), at least one second longitudinal region (22), designed to be secured with a railroad vehicle, and at least one line of least resistance (24), separating the first (20) and second (22) longitudinal regions from each other, extending over the side wing (18) in the longitudinal direction (X).

Abstract: The invention relates to a temperature sensor comprising: a temperature-sensitive element (3); and a peripheral casing (7) accommodating the temperature-sensitive element (3) and having a closed end (9), the peripheral casing (7) being able to be inserted into a corresponding cavity (11), characterized in that the closed end (9) of the peripheral casing (7) has a peripheral portion (21) revealing, butted against the closed end, a flexible assembly stop (23) after said peripheral portion (21), said stop (23) being able to deform towards the peripheral portion (21) by shape cooperation with the bottom (15) of the corresponding cavity (11). The subject of the invention is also a process for manufacturing a temperature sensor as described above and a method of assembling said sensor.

Abstract: The invention relates to an improved method for synthesizing bis[3-(N,N-dialkylamino)propyl]ethers from acrylonitrile, comprising the following reactions: first addition reaction of a water molecule and an acrylonitrile molecule to produce 3-hydroxypropionitrile (reaction 1), second addition reaction of a 3-hydroxypropionitrile molecule obtained by reaction 1 and an acrylonitrile molecule to produce bis(2-cyanoethyl)ether (reaction 2), hydrogenation reaction of the bis(2-cyanoethyl)ether to conduct a reduction of the nitrile functions to primary amine functions in order to produce bis(3-aminopropyl)ether (reaction 3), aminoalkylation reaction of the bis(3-aminopropyl)ether to produce bis[3-(N,N-dialkylamino)propyl]ether (reaction 4).

Abstract: The invention relates to an improved method for synthesizing bis[3-(N,N-dialkylamino)propyl]ethers from acrylonitrile, comprising the following reactions: first addition reaction of a water molecule and an acrylonitrile molecule to produce 3-hydroxypropionitrile (reaction 1), second addition reaction of a 3-hydroxypropionitrile molecule obtained by reaction 1 and an acrylonitrile molecule to produce bis(2-cyanoethyl)ether (reaction 2), hydrogenation reaction of the bis(2-cyanoethyl)ether to conduct a reduction of the nitrile functions to primary amine functions in order to produce bis(3-aminopropyl)ether (reaction 3), aminoalkylation reaction of the bis(3-aminopropyl)ether to produce bis[3-(N,N-dialkylamino)propyl]ether (reaction 4).

Abstract: The method of removing acid compounds contained in a gaseous effluent consists in contacting in column C1 a gaseous effluent with an absorbent solution 4 made up of an aqueous solution of one or more diamines belonging to the bis(amino-3-propyl)ether or (amino-2-ethyl)-(amino-3-propyl)ether family.

Abstract: The absorbent solution for removing acidic compounds contained in a gas effluent comprises water and at least one amine that is selected from among tertiary monoalkanolamines that contain an etheric function and belong to the 3-alkoxypropylamine family having general formula (A). The method for removing the acidic compounds contained in a gas effluent involves placing a gas effluent 1 into the column C1 together with the absorbent solution 4.

Abstract: Device (1) for measuring a liquid level, comprising: -a body (2) extending along a longitudinal axis (X) and having at least one open portion (5) in which at least one aperture (A) is formed in the wall of the body (2), -a loop (10) of electric wire positioned at least in the open portion (5) so that it can be in contact with the liquid and run substantially parallel to the longitudinal axis (X) of the body (2), -an electric power supply circuit (15, 16) for powering the loop of wire arranged in the body, the circuit comprising two end fittings (16) positioned in the open portion (5), each end fitting (16) being connected to one of the open ends (11) of the loop (10), the end fittings (16) being arranged in an offset manner along the longitudinal axis (X) of the body (2).

Abstract: The method for eliminating acidic compounds contained in a gaseous effluent consists of placing into contact, in column C1, a gaseous effluent 1 with an absorbent solution 4 comprising an aqueous solution of one or a plurality of dihydroxyalkylamines having one of the formulas (I) and (II).

Abstract: The present invention proposes a solution to prevent a program flow in a processing unit from being modified with respect to an intended program flow, thereby ensuring that important steps such as verifying or authenticating are not bypassed. The invention is particularly aimed at security modules within receiver/decoders in a pay-TV system and involves performing a set of predetermined operations during the processing of entitlement management messages and/or entitlement control messages, said operations being redundant with respect to the normal processing of said messages while leading to the calculation of keys which can then be used to verify that the intended program flow has been respected.

Abstract: The tank comprises a variable volume chamber containing a liquid and defined by a wall; and a piston suitable for moving in the tank under thrust from powder gas at a temperature much higher than that of the liquid in order to decrease the volume of the chamber. The tank also comprises a deformable elastomer membrane pressed against a face of the piston outside the chamber, the membrane being suitable for thermally protecting the wall and for providing sealing between the piston and the wall.

Abstract: The present invention relates to diagnostic imaging and in particular to the diagnostic imaging of fibrosis. More particularly, the present invention provides a polypeptides, cyclic polypeptides and pharmaceutical compositions suitable for the non-invasive visualization of fibrosis. The polypeptide of the invention may comprise an amino acid sequence consisting of: X1-X2-M-H-G-L-X7-L-X9-X10-D-E (SEQ ID NO: 1) wherein amino acid X1 is R, F or P; amino acid X2 is F or V; amino acid X7 is Q, H or L; amino acid X9 is W or G and amino acid X10 is A or D.

Abstract: The invention relates to the removal of acid compounds from a gaseous effluent in an absorption method using an aqueous solution containing one or more triamines wherein the three amine functions are not connected to each other by rings and whose amine functions in the a and the co positions are always tertiary, and the amine function in central position is always secondary, more or less sterically hindered, and which have the general formula (I) as follows:

Abstract: The invention relates to the removal of acid compounds from a gaseous effluent in an absorption method using an aqueous solution containing one or more diamines whose two amine functions are not connected to each other by rings and whose amine function in the ? position is always tertiary and the amine function in the ? position is always either primary or secondary, more or less sterically hindered, and with have the general formula (I) as follows:

Abstract: The bundle comprises two pairs of same-volume cylindrical tanks, each pair comprising two tanks containing a same-density propellant suitable for flowing at the same volume flow rate, the four tanks being fastened directly to one another via reinforcing hoops in such a manner that the center of gravity of each of said pairs remains continuously on the axis of said bundle while the propellants are flowing.

Abstract: A method of verification of rights is disclosed, contained in a security module associated to an apparatus processing broadcasted digital data. The apparatus is connected to a management center transmitting encrypted rights messages for accessing the digital data. The method includes reception and reading by the security module of all or part of a rights message including at least one right and means for verifying the right, decryption and verification of the rights message and updating of a rights memory, and storage of all or part of the rights message in a messages memory. During a further verification step, the method includes identification of at least one right present in the rights memory, search of the corresponding stored rights message and verification of the rights message, comparison of the right contained in the rights message with the corresponding right stored in the rights memory, and determination of a default state when the result of the comparison indicates a difference.

Abstract: The invention relates to a temperature sensor comprising: a temperature-sensitive element (3); and a peripheral casing (7) accommodating the temperature-sensitive element (3) and having a closed end (9), the peripheral casing (7) being able to be inserted into a corresponding cavity (11), characterized in that the closed end (9) of the peripheral casing (7) has a peripheral portion (21) revealing, butted against the closed end, a flexible assembly stop (23) after said peripheral portion (21), said stop (23) being able to deform towards the peripheral portion (21) by shape cooperation with the bottom (15) of the corresponding cavity (11). The subject of the invention is also a process for manufacturing a temperature sensor as described above and a method of assembling said sensor.

Abstract: The invention relates to a motor-vehicle temperature sensor comprising a stop (13) designed to bear against a corresponding bearing surface delimiting a medium, the temperature of which has to be measured, and a means (15) for clamping the stop (13) against the bearing surface. According to the invention the stop (13) has a peripheral thickness (e) equal to or less than 1.2 mm and the clamping means (15) is made of a material having expansion properties common with the material of the bearing surface and is designed to compensate for the differences in expansion between the stop (13) and the bearing surface.