Abstract: The geosynthetic binder dry composition includes at least: an alkalino-calcium type activator including at least lime and an alkaline salt, which can suitably react together so as to form in situ a base in the presence of water, and a silico-aluminous compound, including an amount of calcium oxide higher than or equal to 15%, by weight, as compared to the silico-aluminous compound total weight, characterized in that the binder dry composition includes, by weight, as compared to the total weight, from 45 to 95% of the silico-aluminous compound, from 2 to 25% of lime and from 3 to 30% of an alkaline salt. The material including the geosynthetic binder dry composition and water, a method for producing the geosynthetic binder dry composition, and a method for producing the material are also described.

Abstract: Method for estimating a gas flow in an enclosure maintained in a low pressure regimen relative to the gas, including: measuring, as a function of time, a gas flow Jmeasurement in the enclosure, and estimating values of the parameters A and B iteratively implemented by decreasing an estimation error based on a difference between Jestim(t) and Jmeasurement, and wherein, when Jmeasurement corresponds to a pressure rise of the gas in the enclosure, Jestim(t) is calculated according to the equation: J estim ? ( t ) = 2 ? A ? ? n = 1 n ? ? ma ? ? x ? ( B ? ? ( t - OffX ) ) 1 2 ? exp ? ( - 2 ? ( n + 1 ) 2 4 ? B ? ( t - OffX ) ) + OffY and when Jmeasurement corresponds to a pressure decrease of the gas in the enclosure, Jestim(t) is calculated according to the equation: J estm ? ( t ) = P init - 2 ? A ? ? n = 1 n ? ? ma ? ? x ? ( B ? ? ( t - OffX ) ) 1 2 ? exp ? ( - ( 2 ? n + 1 ) 2

Abstract: A cell for measuring the permeation of a target gas through a sample includes upstream and downstream chambers connected by an opening, a primary seal in contact with the bottom of the upstream chamber and surrounding the opening, and a removable sample holder and means for assembling the sample holder in the cell. Upper and lower frames included in the sample holder are each provided with a through opening. The sample holder includes means for assembling the sample in the sample holder and a first seal flush with the front surface of the lower frame, and surrounding the through opening of the lower frame. In the lower frame of the sample holder, a second seal is flush with the front surface of the lower frame, surrounding the through opening of the lower frame, and being surrounded with the first seal, and a second channel emerging between the two secondary seals.

Abstract: The invention relates to a method for measuring permeation of gases through a material comprising the following steps: a) Supplying gas to a permeation enclosure (10) during which a first chamber (11) is supplied with a target gas flow comprising at least one target gas corresponding to a gas for which one tries to determine the permeation through the material (M), and simultaneous supplying gas to a measurement enclosure (20) with at least one calibrated flow comprising at least one reference gas different from the target gas; b) during the gas supply step, measuring in the measurement enclosure (20) the reference gas present at instant (t) and the target gas present at the same instant (t) after having crossed the material (M) by permeation; c) calculating a correction factor at instant (t) by comparing the measurement of the reference gas present at instant (t) with the reference gas supply calibrated flow; and d) determining the permeation of the material (M) to said gas, from the measurement of the ta

Abstract: A cell for measuring the permeation of a target gas through a sample includes upstream and downstream chambers connected by an opening, a primary seal in contact with the bottom of the upstream chamber and surrounding the opening, and a removable sample holder and means for assembling the sample holder in the cell. Upper and lower frames included in the sample holder are each provided with a through opening. The sample holder includes means for assembling the sample in the sample holder and a first seal flush with the front surface of the lower frame, and surrounding the through opening of the lower frame. In the lower frame of the sample holder, a second seal is flush with the front surface of the lower frame, surrounding the through opening of the lower frame, and being surrounded with the first seal, and a second channel emerging between the two secondary seals.

Abstract: The invention relates to a method for measuring permeation of gases through a material comprising the following steps: a) Supplying gas to a permeation enclosure (10) during which a first chamber (11) is supplied with a target gas flow comprising at least one target gas corresponding to a gas for which one tries to determine the permeation through the material (M), and simultaneous supplying gas to a measurement enclosure (20) with at least one calibrated flow comprising at least one reference gas different from the target gas; b) during the gas supply step, measuring in the measurement enclosure (20) the reference gas present at instant (t) and the target gas present at the same instant (t) after having crossed the material (M) by permeation; c) calculating a correction factor at instant (t) by comparing the measurement of the reference gas present at instant (t) with the reference gas supply calibrated flow; and d) determining the permeation of the material (M) to said gas, from the measurement of the ta

Abstract: The geosynthetic binder dry composition includes at least: an alkalino-calcium type activator including at least lime and an alkaline salt, which can suitably react together so as to form in situ a base in the presence of water, and a silico-aluminous compound, including an amount of calcium oxide higher than or equal to 15%, by weight, as compared to the silico-aluminous compound total weight, characterized in that the binder dry composition includes, by weight, as compared to the total weight, from 45 to 95% of the silico-aluminous compound, from 2 to 25% of lime and from 3 to 30% of an alkaline salt. The material including the geosynthetic binder dry composition and water, a method for producing the geosynthetic binder dry composition, and a method for producing the material are also described.

Abstract: For gaze-controlled text size control of a display, the invention proposes to probe, sample and record a user's horizontal gaze Signal; to subject the gaze Signal to a subband filterbank or wavelet transform; to detect line delimiters in the gaze Signal; to derive a reading speed; to determine, as a number of saccades per text line the number of locations where the gaze Signal has sudden high slope portions surrounded on both sides by portions of markedly smaller slope; to detect, based on the reading speed and the number of saccades, a too small font size Status or a too big font size Status; and to initiate a corresponding font size change. Parts of this method can be used for gaze-based measuring of text reading speed and for gaze-based measuring of number of saccades.

Abstract: Method for estimating a gas flow in an enclosure maintained in a low pressure regimen relative to the gas, including: measuring, as a function of time, a gas flow Jmeasurement in the enclosure, and estimating values of the parameters A and B iteratively implemented by decreasing an estimation error based on a difference between Jestim(t) and Jmeasurement, and wherein, when Jmeasurement corresponds to a pressure rise of the gas in the enclosure, Jestim(t) is calculated according to the equation: J estim ? ( t ) = 2 ? A ? ? n = 1 n ? ? ma ? ? x ? ( B ? ? ( t - OffX ) ) 1 2 ? exp ? ( - 2 ? ( n + 1 ) 2 4 ? B ? ( t - OffX ) ) + OffY and when Jmeasurement corresponds to a pressure decrease of the gas in the enclosure, Jestim(t) is calculated according to the equation: J estm ? ( t ) = P init - 2 ? A ? ? n = 1 n ? ? ma ? ? x ? ( B ? ? ( t - OffX ) ) 1 2 ? exp ? ( - ( 2 ? n + 1 ) 2

Abstract: For gaze-controlled text size control of a display, the invention proposes to probe, sample and record a user's horizontal gaze Signal; to subject the gaze Signal to a subband filterbank or wavelet transform; to detect line delimiters in the gaze Signal; to derive a reading speed; to determine, as a number of saccades per text line the number of locations where the gaze Signal has sudden high slope portions surrounded on both sides by portions of markedly smaller slope; to detect, based on the reading speed and the number of saccades, a too small font size Status or a too big font size Status; and to initiate a corresponding font size change. Parts of this method can be used for gaze-based measuring of text reading speed and for gaze-based measuring of number of saccades.

Abstract: The invention concerns a method for optimizing the Transport Format Combination (TFC) selection procedure processed by a user equipment UE in an uplink communication in a mobile telecommunication network, wherein the TFC procedure during the current TTI (Time Transport Interval) at instant t+1 is performed in function of: a—the remaining power (2) measured after the TFC procedure performed in the past TTI at instant t, b—the power (4) for transmitting the E-DCH channels in the past TTI at instant t, and, c—a minimum specified power (6) for transmitting the E-DCH channels in the next TTI.

Abstract: The invention concerns a method for optimizing the Transport Format Combination (TFC) selection procedure processed by a user equipment UE in an uplink communication in a mobile telecommunication network, wherein the TFC procedure during the current TTI (Time Transport Interval) at instant t+1 is performed in function of: a—the remaining power (2) measured after the TFC procedure performed in the past TTI at instant t, b—the power (4) for transmitting the E-DCH channels in the past TTI at instant t, and, c—a minimum specified power (6) for transmitting the E-DCH channels in the next TTI.

Abstract: A semiconductor electrooptic monolithic component comprising successively a first section capable of emitting light at a first wavelength and including a first active layer, a second section capable of absorbing light at the said first wavelength and including a second active layer, and a third section capable of detecting light at a second wavelength and including a third active layer. The component is characterized in that the second active layer is designed to ensure in the said second section an absorption higher than that which would be allowed by an active layer identical to the said first layer.

Abstract: A semiconductor electrooptic monolithic component comprising successively a first section capable of emitting light at a first wavelength and including a first active layer, a second section capable of absorbing light at the said first wavelength and including a second active layer, and a third section capable of detecting light at a second wavelength and including a third active layer. The component is characterized in that the second active layer is designed to ensure in the said second section an absorption higher than that which would be allowed by an active layer identical to the said first layer.

Abstract: An optical resonant cavity (50) defined between two mirrors (13′, 40), one of which (40) is a variable pitch Bragg reflector grating, is characterized in that a parameter CS of variation of the Bragg wavelength of the grating is such that the cavity resonates continuously from a first optical frequency to a second optical frequency higher than the first optical frequency. The invention can be used in particular to produce broadband band-pass filters with steep flanks, broadband amplifiers with no gain fluctuation, and continuous emission spectrum lasers and light-emitting diodes.

Abstract: An optical resonant cavity (50) defined between two mirrors (13′, 40), one of which (40) is a variable pitch Bragg reflector grating, is characterized in that a parameter CS of variation of the Bragg wavelength of the grating is such that the cavity resonates continuously from a first optical frequency to a second optical frequency higher than the first optical frequency. The invention can be used in particular to produce broadband band-pass filters with steep flanks, broadband amplifiers with no gain fluctuation, and continuous emission spectrum lasers and light-emitting diodes.

Abstract: The invention concerns a semiconductor opto-electronic component comprising at least two optically active structures (20, 30), at least one of which consists of a detector (30), characterized in that the detector or detectors (30) comprise a first active portion (33) able to detect a signal at a given wavelength and a second inactive portion (34) only slightly sensitive to the signal to be detected and exposed to the non-guided stray light conveyed in the component.

Abstract: A semiconductor electro-optical monolithic component includes at least first and second sections (20, 30) each having respectively a first wave guide (21) and a second wave guide (31) transmitting light, the wave guides being etched in the form of strips and confined between an upper cladding layer (11) doped with carriers of a first type and a lower layer (10A, 10B) doped with carriers of a second type, a third section (40) being disposed between the first and second sections (20, 30) and having a third guide not transmitting light, the third guide being disposed so as to couple the first guide (21) to the said second guide (31).