mhurhangee/ep-ind-claims huggingface dataset:
A method for recycling ferrous sulfate heptahydrate and sulfuric acid from a waste acid in titanium dioxide production, comprising the following steps: step 1: pre-concentrating the waste acid in titanium dioxide production to obtain a pre-concentrated acid; step 2: cooling the pre-concentrated acid by a heat exchanger, and conducting freezing crystallization for a period of time to obtain the ferrous sulfate heptahydrate and a crystallization mother liquor; step 3: concentrating the crystallization mother liquor in a waste acid evaporation system to obtain precipitated miscellaneous salt-containing suspended concentrated acid and evaporation condensed water; and step 4: subjecting the precipitated miscellaneous salt-containing suspended concentrated acid to maturing and cooling, and then transferring a resulting product into a filter press dehydration system to allow a treatment to obtain a metal miscellaneous salt filter cake and a filtered finished acid; wherein the metal miscellaneous salt filter cake serves as a raw material for extracting precious metals comprising titanium, manganese, magnesium, scandium, and vanadium as well as iron to allow resource recovery, and the filtered finished acid is returned to an ilmenite acid hydrolysis section; wherein in step 1, the pre-concentrating is conducted by rotary kiln flue gas spraying, the rotary kiln flue gas spraying in series with flash evaporation, or a combination of the flash evaporation, the rotary kiln flue gas spraying, and the flash evaporation in sequence the rotary kiln flue gas spraying concentrates the waste acid in titanium dioxide production to 27.86% to 29.4%. step 1: pre-concentrating the waste acid in titanium dioxide production to obtain a pre-concentrated acid; step 2: cooling the pre-concentrated acid by a heat exchanger, and conducting freezing crystallization for a period of time to obtain the ferrous sulfate heptahydrate and a crystallization mother liquor; step 3: concentrating the crystallization mother liquor in a waste acid evaporation system to obtain precipitated miscellaneous salt-containing suspended concentrated acid and evaporation condensed water; and step 4: subjecting the precipitated miscellaneous salt-containing suspended concentrated acid to maturing and cooling, and then transferring a resulting product into a filter press dehydration system to allow a treatment to obtain a metal miscellaneous salt filter cake and a filtered finished acid; wherein the metal miscellaneous salt filter cake serves as a raw material for extracting precious metals comprising titanium, manganese, magnesium, scandium, and vanadium as well as iron to allow resource recovery, and the filtered finished acid is returned to an ilmenite acid hydrolysis section; wherein in step 1, the pre-concentrating is conducted by rotary kiln flue gas spraying, the rotary kiln flue gas spraying in series with flash evaporation, or a combination of the flash evaporation, the rotary kiln flue gas spraying, and the flash evaporation in sequence the rotary kiln flue gas spraying concentrates the waste acid in titanium dioxide production to 27.86% to 29.4%.
A process for preparing a compound of formula: or a pharmaceutically acceptable salt thereof, the process comprising: (a) reacting a compound of formula: wherein: each R 1 is independently H or a protecting group, with a compound of formula: to produce a compound of formula: (b) selectively protecting the compound of formula to prepare a compound of formula: (c) phosphorylating the compound of formula to prepare a compound of formula: (d) oxidizing the compound of formula to prepare a compound of formula: and (e) deprotecting the compound of formula to prepare the compound of formula. (a) reacting a compound of formula: wherein: each R 1 is independently H or a protecting group, with a compound of formula: to produce a compound of formula: each R 1 is independently H or a protecting group, with a compound of formula: to produce a compound of formula: (b) selectively protecting the compound of formula to prepare a compound of formula: (c) phosphorylating the compound of formula to prepare a compound of formula: (d) oxidizing the compound of formula to prepare a compound of formula: and (e) deprotecting the compound of formula to prepare the compound of formula.
A method for automatic determination of arteriovenous ratio in tissue, comprising: receiving, by a computing device, an image; detecting, by the computing device, a region of interest in the image; identifying arteries and veins in the region of interest by performing vessel segmentation on the image utilising a trained classifier to classify vessel pixels or vessel segments in the image as arterial or venous, wherein the classifier is trained based on a set of training images and uses no more than 27 feature vectors that comprise one or more of derivatives, texture and colour properties when identifying arteries and veins; determining, by the computing device, vessel width measurements for the identified arteries and veins; and estimating, by the computing device, an arteriovenous ratio, from the vessel width measurements. receiving, by a computing device, an image; detecting, by the computing device, a region of interest in the image; identifying arteries and veins in the region of interest by performing vessel segmentation on the image utilising a trained classifier to classify vessel pixels or vessel segments in the image as arterial or venous, wherein the classifier is trained based on a set of training images and uses no more than 27 feature vectors that comprise one or more of derivatives, texture and colour properties when identifying arteries and veins; determining, by the computing device, vessel width measurements for the identified arteries and veins; and estimating, by the computing device, an arteriovenous ratio, from the vessel width measurements.
A method performed by a terminal in a wireless communication system, the method comprising: receiving, from a base station, a configuration message including configuration information of at least one reference signal related to radio resource management, RRM; receiving, from the base station, the at least one reference signal, based on the configuration message; performing measurement on the at least one reference signal, based on the configuration message; and reporting the result of the measurement to the base station, wherein the configuration message includes first information on a cell on which the at least one reference signal is transmitted and second information on resources to which the at least one reference signal is transmitted on the cell, wherein the first information includes information on an identity, ID, of the cell and frequency information associated with the measurement on the at least one reference signal transmitted on the cell, and wherein when the second information includes information on a synchronization signal block associated with the at least one reference signal, a timing of the at least one reference signal is identified based on the synchronization signal block. receiving, from a base station, a configuration message including configuration information of at least one reference signal related to radio resource management, RRM; receiving, from the base station, the at least one reference signal, based on the configuration message; performing measurement on the at least one reference signal, based on the configuration message; and reporting the result of the measurement to the base station, wherein the configuration message includes first information on a cell on which the at least one reference signal is transmitted and second information on resources to which the at least one reference signal is transmitted on the cell, wherein the first information includes information on an identity, ID, of the cell and frequency information associated with the measurement on the at least one reference signal transmitted on the cell, and wherein when the second information includes information on a synchronization signal block associated with the at least one reference signal, a timing of the at least one reference signal is identified based on the synchronization signal block.
Connection apparatus for a ceramic substrate comprising a radar antenna on a printed circuit board of a radar sensor for a vehicle, wherein the ceramic substrate comprising the radar antenna has a plate-like ceramic substrate which carries at least one electrical/electronic functional component, and wherein the connection apparatus comprises at least one device for fixing the ceramic substrate to the printed circuit board and at least one electrical contact device for electrically connecting the at least one electrical/electronic functional component to the printed circuit board, characterized in that the at least one electrical contact device has at least one electrical contact element, which is elastic at least in sections, with at least one contact section for making electrical contact with at least one electrical contact region on the ceramic substrate, and the at least one fixing device has at least one clamping element (56, 70) of a clamping device for fixing the ceramic substrate.
A user input device comprising: a radio frequency radiator circuitry comprising an elongated radio frequency resonator (104, 106, 108, 110) configured to generate an electromagnetic field extending from the radio frequency resonator; a measurement circuitry configured to measure an electric property of the radio frequency resonator that changes in response to a change in a proximate location of an object along the elongated radio frequency resonator when the radio frequency resonator is generating the electromagnetic field; and a database mapping a plurality of measurement values of the electric property of the radio frequency resonator to respective location indices along the elongated radio frequency resonator; and a processing circuitry configured to determine, on the basis of the measured electric property and the database, a location of the object along the elongated radio frequency resonator and to convert the measured electric property into a user input command. a radio frequency radiator circuitry comprising an elongated radio frequency resonator (104, 106, 108, 110) configured to generate an electromagnetic field extending from the radio frequency resonator; a measurement circuitry configured to measure an electric property of the radio frequency resonator that changes in response to a change in a proximate location of an object along the elongated radio frequency resonator when the radio frequency resonator is generating the electromagnetic field; and a database mapping a plurality of measurement values of the electric property of the radio frequency resonator to respective location indices along the elongated radio frequency resonator; and a processing circuitry configured to determine, on the basis of the measured electric property and the database, a location of the object along the elongated radio frequency resonator and to convert the measured electric property into a user input command.
A method of assembling a filtered feedthrough assembly, comprising: providing a capacitor having a top portion, a bottom portion, an outer diameter portion and an inner diameter portion, wherein the inner diameter portion defines at least one aperture extending from the top portion to the bottom portion; fixedly attaching an insulative member to the bottom portion of the capacitor, the insulative member configured to inhibit high voltage arcing; inserting at least one terminal pin within a ferrule; and fixedly securing the capacitor with attached insulative member within the ferrule, wherein the at least one terminal pin extends through the opening and extends through the at least one aperture. providing a capacitor having a top portion, a bottom portion, an outer diameter portion and an inner diameter portion, wherein the inner diameter portion defines at least one aperture extending from the top portion to the bottom portion; fixedly attaching an insulative member to the bottom portion of the capacitor, the insulative member configured to inhibit high voltage arcing; inserting at least one terminal pin within a ferrule; and fixedly securing the capacitor with attached insulative member within the ferrule, wherein the at least one terminal pin extends through the opening and extends through the at least one aperture.
An image-forming apparatus, comprising: an exhaust duct, to guide air inside the image-forming apparatus to an outside of the image-forming apparatus; a positive ion generator, to emit a positive ion into the exhaust duct; a negative ion generator, to emit a negative ion into the exhaust duct; and a partition interposed between the positive ion generator and the negative ion generator; characterised in that the partition is a non-straight partition (106S; 106T), extending in the air flow direction D1, over which non-straight partition (106S; 106T) the air moves so that the non-straight partition agitates the air moving through the exhaust duct. an exhaust duct, to guide air inside the image-forming apparatus to an outside of the image-forming apparatus; a positive ion generator, to emit a positive ion into the exhaust duct; a negative ion generator, to emit a negative ion into the exhaust duct; and a partition interposed between the positive ion generator and the negative ion generator; characterised in that the partition is a non-straight partition (106S; 106T), extending in the air flow direction D1, over which non-straight partition (106S; 106T) the air moves so that the non-straight partition agitates the air moving through the exhaust duct.
Common-rail injector having an injector housing which has a fuel inlet which is connected to a central high-pressure fuel source outside the injector housing and to a pressure chamber within the injector housing, from which pressure chamber, in a manner dependent on the pressure in a control chamber, highly pressurized fuel is injected into a combustion chamber of an internal combustion engine when a nozzle needle lifts off from its seat, wherein the pressure in the control chamber is controlled by an actuator, in particular a piezo actuator, wherein that end of the actuator, or of an actuator head provided on the actuator, which is close to the combustion chamber is guided in an actuator guide section of a coupler sleeve, which actuator guide section has a larger inner diameter than a nozzle needle guide section of the coupler sleeve, in which nozzle needle guide section that end of the nozzle needle which is remote from the combustion chamber is guided, characterized in that the nozzle body is, for example with the aid of a clamping nut, braced against an injector body which has an actuator receiving chamber in which there is formed a shoulder against which the coupler sleeve is supported, wherein that end of the coupler sleeve which is remote from the combustion chamber is supported on a holding disc, which is in turn supported on the shoulder of the injector body.
A method for fabricating a physical dental bleaching tray useable to deliver a bleaching agent, comprising obtaining a three-dimensional digital representation of a patient's dentition comprising teeth and gingiva; segmenting two or more of the teeth into individual tooth; identifying a facial surface of at least one of the segmented tooth; defining a facial surface portion comprising a surface area that is at least partly bound by a virtual boundary that is non-interfacing with the gingiva, wherein the facial surface portion includes a part of the, but not the whole, facial surface of the tooth, wherein the virtual boundary comprises a curve that runs along a predefined distance from a section of a perimeter of the tooth, the section of the perimeter represents a border between the tooth and the gingiva; and fabricating the physical dental bleaching tray comprising at least one cavity for receiving the patient's teeth and at least one receptacle that is generated based on the surface area, wherein the at least one receptacle is configured to receive a bleaching agent. obtaining a three-dimensional digital representation of a patient's dentition comprising teeth and gingiva; segmenting two or more of the teeth into individual tooth; identifying a facial surface of at least one of the segmented tooth; defining a facial surface portion comprising a surface area that is at least partly bound by a virtual boundary that is non-interfacing with the gingiva, wherein the facial surface portion includes a part of the, but not the whole, facial surface of the tooth, wherein the virtual boundary comprises a curve that runs along a predefined distance from a section of a perimeter of the tooth, the section of the perimeter represents a border between the tooth and the gingiva; and fabricating the physical dental bleaching tray comprising at least one cavity for receiving the patient's teeth and at least one receptacle that is generated based on the surface area, wherein the at least one receptacle is configured to receive a bleaching agent.
A method for applying a wet film to a substrate, comprising: applying a coating material from a discharge end of a slot die onto said substrate to form said wet film on said substrate; controlling a thickness of said wet film relative to said substrate by adjusting a pressure differential existing between an upstream side of said slot die and a downstream side of said slot die; and maintaining a constant coating gap between said discharge end of said slot die and said substrate while controlling said thickness of said wet film wherein said coating material includes a reagent for producing an optical or electrochemical signal in the presence of a test analyte.
A shooting method executed by a shooting device, the shooting method comprising: shooting first images of a target space; and generating first three-dimensional position information of the target space, based on the first images and a first shooting position and a first shooting orientation of each of the first images, wherein the first three-dimensional position information includes a first three-dimensional point cloud; the shooting method characterized by further comprising determining a first region of the target space, which includes at least one of a region for which second three-dimensional position information cannot be calculated and a region for which the error between the second three-dimensional position information and the actual position is greater than a predetermined threshold, using the first three-dimensional position information and without generating the second three-dimensional position information; wherein the second three-dimensional position information includes a second three-dimensional point cloud which is denser than the first three-dimensional point cloud; and the determining of the first region includes: generating a mesh using the first three-dimensional point cloud, wherein a second region corresponds to a region in which the mesh is generated; and determining a region other than the second region of the target space as the first region. shooting first images of a target space; and generating first three-dimensional position information of the target space, based on the first images and a first shooting position and a first shooting orientation of each of the first images, wherein the first three-dimensional position information includes a first three-dimensional point cloud; the shooting method characterized by further comprising determining a first region of the target space, which includes at least one of a region for which second three-dimensional position information cannot be calculated and a region for which the error between the second three-dimensional position information and the actual position is greater than a predetermined threshold, using the first three-dimensional position information and without generating the second three-dimensional position information; wherein the second three-dimensional position information includes a second three-dimensional point cloud which is denser than the first three-dimensional point cloud; and the determining of the first region includes: generating a mesh using the first three-dimensional point cloud, wherein a second region corresponds to a region in which the mesh is generated; and determining a region other than the second region of the target space as the first region. generating a mesh using the first three-dimensional point cloud, wherein a second region corresponds to a region in which the mesh is generated; and determining a region other than the second region of the target space as the first region.
A locking system having a locking mechanism that is locked and unlocked by rotation of a key inserted into keyed access means on the locking mechanism, wherein the keyed access means is hidden from view and wherein the locking system comprises a U-Lock (1, 30) having a U-shaped shackle inserted within a cylindrical lock body and an inner tube that is adapted to be rotated to lock and unlock the shackle within the lock body, said inner tube having a keyed access means at one end, said keyed access means that can be engaged by a key to rotate said inner tube and wherein the keyed access means includes a convex nut (17, 51) having a convex top face and a flat bottom surface, said bottom surface driveably connectable to the inner tube, wherein the convex top face of the convex nut (17, 51) is provided with at least two cutouts (19, 60) spaced away from the axis of rotation of said convex nut (17, 51).
A bookmarking system comprising a user device, a disambiguation module and a social networking server, wherein the user device comprises a bookmarking module operable: i) to receive a user initiated input indicating a desire to bookmark a segment of a media programme that is being played by a play out module; ii) to obtain data relating to acoustic signals captured from a microphone coupled to the user device; and iii) to send the data relating to the acoustic signals to the disambiguation module; and wherein the disambiguation module is operable: i) to process data relating to the acoustic signals captured by the user device, to identify the segment of the media programme the user desires to bookmark and to identify timing information indicating a start and end of the segment within the media programme; and ii) to generate bookmark data for the segment of the media programme including a content identifier which identifies the media programme containing the segment to be bookmarked and the timing information indicating the start and end of the segment within the media programme to allow the segment of the media programme to be played back as opposed to the whole programme; and wherein the generated bookmark is published on the social networking server for sharing the bookmarked content with other users.
Urea-containing silane of the formula I where R 1 are the same or different and are C1-C10 alkoxy groups, C2-C10 cyclic dialkoxy groups, phenoxy group, C4-C10 cycloalkoxy groups, C6-C18 aryl groups, C1-C10 alkyl groups, C2-C20 alkenyl group, C7-C20 aralkyl group or halogen, and R are the same or different and are a branched or unbranched, saturated or unsaturated, aliphatic, aromatic or mixed aliphatic/aromatic divalent C 1 -C 30 hydrocarbon group and x is an integer from 3 to 8.