Abstract: A method includes using, as an inerting agent of carbonaceous materials, for treatment of at least one constituent of a hydraulic composition comprising at least one air-entraining agent, the constituent including the carbonaceous materials, of an admixture, including at least one polymer comprising at least one chain having hydrophobic end groups and an intermediary hydrophilic group between the end groups, the admixture being adapted to at least partially neutralise the carbonaceous materials.

Abstract: A treatment process for the production of a hydraulic composition with entrained air including at least one admixture and a constituent including carbonaceous materials, the process including: obtaining a representative value of the adsorption of probe molecules by the carbonaceous materials; and producing the hydraulic composition or treating the constituent with a quantity of admixture which depends on the value.

Abstract: A process for distributing a video stream to a multitude of destinations including marking by adding to the video stream at least a visual element such that the marking is applied to an original video stream common to selected recipients, and personalized for a least portion of the recipients by addition of a visual element specific to destination equipment.

Abstract: The invention provides an admixture for a hydraulic binder composition comprising at least one cationic polymer and at least one anionic polymer, at least one of these polymers having a comb type of structure, wherein the mass ratio of the anionic polymer/cationic polymer is from 99.9/0.1 to 60/40. It also provides a process for its preparation as well as its use as a plasticizer.

Abstract: This invention relates to a device capable of transmitting in a secured manner a set of films of high visual quality to a display screen of the TV screen type and/or for being recorded on the hard disk or on any other recording support of a box/connector connecting the teletrans-mission/telecommunication network to the display screen such as a TV screen or a personal computer monitor while preserving the audiovisual quality, but avoiding fraudulent use such as the possibility of making pirated copies of films or audiovisual programs recorded on the hard disk or on any other recording support of the set-tope boxy/decoder boxy. The invention also concerns a client-server system and the synchronization mechanism between the server supplying the stream permitting the viewing of the secured digital video film and the client who reads and displays the digital video stream.

Abstract: A process for distributing audiovisual sequences in accordance with a nominal stream format respecting a MPEG-2 TS norm including a succession of TS packets, including analyzing the stream made prior to transmitting to client equipment to generate a first stream in conformity with the MPEG-2 TS format, modifying all or part of the TS packets by substituting packets of the same structure, but whose content was modified, and generating a second stream of a format including digital information suitable for permitting reconstruction of the nominal stream, separately transmitting the two streams from a servers to the equipment, and a calculation is made on the equipment of a synthesis of a stream in nominal format as a function of the first stream and the second stream.

Abstract: A process for distributing video sequences according to a nominal flux format including a succession of images, where each image includes a succession of blocks, and in which at least one of blocks in one of the images is calculated by motion prediction relative to at least one reference image, where the motion prediction is encoded in the flux with at least one motion vector, the flux being processed, before transmission to client equipment, with an analysis for generating a first modified flux having the format of a nominal flux and having images modified by substitution of selected data with selected data of the same nature, but random, and a second flux of any format including the substituted data and digital information likely to allow reconstruction of the modified flux, then transmitting separately, in real or deferred time, the two fluxes generated from a server toward the client equipment, and for which is calculated on the client equipment a synthesis of a nominal format flux as a function of the pr

Abstract: A process for distributing a video stream to a multitude of destinations including marking by adding to the video stream at least a visual element such that the marking is applied to an original video stream common to selected recipients, and personalized for a least portion of the recipients by addition of a visual element specific to destination equipment.

Abstract: A process for distributing a video stream to a multitude of destinations including marking by adding to the video stream at least a visual element such that the marking is applied to an original video stream common to selected recipients, and personalized for a least portion of the recipients by addition of a visual element specific to destination equipment.

Abstract: A process for distributing digital video sequences in accordance with a nominal stream format including a succession of frames, each frame including at least one digital block regrouping a plurality of coefficients corresponding to simple, digitally coded visual elements is disclosed.

Abstract: The invention provides an admixture for a hydraulic binder composition comprising at least one cationic polymer and at least one anionic polymer, at least one of these polymers having a comb type of structure, wherein the mass ratio of the anionic polymer/cationic polymer is from 99.9/0.1 to 60/40. It also provides a process for its preparation as well as its use as a plasticizer.

Abstract: The invention concerns the use of a polymer comprising a hydrocarbon chain, silyl side groups and polyalkylated groups as additive for hydraulic binders. The invention also concerns an additive for hydraulic binders comprising said polymer, and a method for fluidizing and maintaining workability of mineral particle suspensions, and in particular of hydraulic binder compositions.

Abstract: A process for distributing audiovisual sequences in accordance with a nominal stream format respecting a MPEG-2 TS norm including a succession of TS packets, including analyzing the stream made prior to the transmitting to client equipment to generate a first stream in conformity with the MPEG-2 TS format, modifying all or part of the TS packets by substituting packets of the same structure, but whose content was modified, and generating a second stream of a format including digital information suitable for permitting reconstruction of the nominal stream, separately transmitting the two streams from a servers to the equipment, and a calculation is made on the equipment of a synthesis of a stream in nominal format as a function of the first stream and the second stream.

Abstract: A process for secure distribution of video sequences coded in accordance with a nominal stream format including visual data and data for configuration of decoding of the stream that does not represent the visual data, wherein, prior to transmission to client equipment, an analysis is made of the stream for generating a modified main stream having a format of the nominal stream and having pictures/images modified by modification of the data for configuration of decoding, and complementary digital information of any format including digital information suitable to permit reconstruction of modified pictures, then, for separately transmitting the modified main stream and complementary digital information generated from a server to the client equipment, and wherein a synthesis of a stream in the nominal format is calculated on the client equipment as a function of the modified main stream and the complementary information.

Abstract: This invention relates to a device capable of transmitting in a secured manner a set of films of high visual quality to a display screen of the TV screen type and/or for being recorded on the hard disk or on any other recording support of a box/connector connecting the teletransmission/telecommunication network to the display screen such as a TV screen or a personal computer monitor while preserving the audiovisual quality, but avoiding fraudulent use such as the possibility of making pirated copies of films or audiovisual programs recorded on the hard disk or on any other recording support of the set-tope boxy/decoder boxy. The invention also concerns a client-server system and the synchronization mechanism between the server supplying the stream permitting the viewing of the secured digital video film and the client who reads and displays the digital video stream.

Abstract: A device for stopping rotation of a fixed blade bearing sector in a gas turbine casing. Sectors of synchronizing ring blades are maintained against tangential rotational movements by sliding into grooves of a casing by pins passing through perforations in an extension of the two parts. The pins are prevented from accidental removal either by a flexible lock ring or by a locking tab maintained between the two parts when they have been completely assembled.

Abstract: A process for distributing a video stream to a multitude of destinations including marking by adding to the video stream at least a visual element such that the marking is applied to an original video stream common to selected recipients, and personalized for a least portion of the recipients by addition of a visual element specific to destination equipment.

Abstract: A process for distributing video sequences according to a nominal flux format including a succession of images, where each image includes a succession of blocks, and in which at least one of blocks in one of the images is calculated by motion prediction relative to at least one reference image, where the motion prediction is encoded in the flux with at least one motion vector, the flux being processed, before transmission to client equipment, with an analysis for generating a first modified flux having the format of a nominal flux and having images modified by substitution of selected data with selected data of the same nature, but random, and a second flux of any format including the substituted data and digital information likely to allow reconstruction of the modified flux, then transmitting separately, in real or deferred time, the two fluxes generated from a server toward the client equipment, and for which is calculated on the client equipment a synthesis of a nominal format flux as a function of the pr

Abstract: A method of distributing digital video sequences in the form of a stream including sequences of data containing digital images, including a modification stage of an original stream by modifying at least a part of the sequences, the modification producing a modified stream of the same nominal format as the original stream, transmitting the modified stream, and a reconstruction stage implemented with a decoder, wherein the reconstruction is adaptive and progressive in function of information coming from a digital profile of the recipient.

Abstract: A process for distributing digital video sequences in accordance with a nominal stream format including a succession of frames, each frame including at least one digital block regrouping a plurality of coefficients corresponding to simple, digitally coded visual elements, including: a step of modifying at least one block of the stream, wherein the modification step acts in an adaptive manner on the original stream as a function of at least a part of characteristics representative of structure, contents and parameters of an original video stream, of a profile of an addressee, and of external events, and the modification step includes replacing a part of the coefficients to produce a modified main video stream in nominal format and complimentary modification information that allows reconstruction of the original stream by a decoder of addressed equipment, and wherein the scope of modifications is variable and determined by the representative characteristics, and the modified main video stream and the complement