Abstract: This application disclosures a method for calibrating filament current data of an X-ray tube. The method includes obtaining a first value of tube current to be calibrated and a value of filament current to be calibrated, the tube current to be calibrated and the filament current to be calibrated corresponding to a first calibration point; performing an emission operation based on the first value of the tube current to be calibrated and the value of the filament current to be calibrated; determining an actual value of the tube current during the emission operation; determining a difference between the actual value of the tube current and the first value of the tube current to be calibrated; and calibrating, based on the difference, the first calibration point.

Abstract: A multi-phase combination reaction system has at least one fixed bed hydrogenation reactor. The fixed bed hydrogenation reactor has, arranged from top to bottom, a first hydrogenation reaction area, a gas-liquid separation area, a second hydrogenation reaction area and a third hydrogenation reaction area. The gas-liquid separation area is provided with a raw oil inlet. A hydrogen inlet is provided between the second hydrogenation reaction area and the third hydrogenation reaction area. The system is capable of simultaneously obtaining two fractions in one hydrogenation reactor.

Abstract: A curable, partially hydrogenated butadiene polymer having a hydrogenation degree from 0.5 to 55% and having a total amount of butadiene-derived vinyl groups according to the general formula (I) and trans groups of the general formula (II) of from 0% to 9% by weight based on the total weight of the polymer and wherein the partially hydrogenated polybutadiene polymer is a butadiene polymer comprising at least 50% by weight based on the total weight of the polymer which is 100%, of units derived from 1,3-butadiene. Also provided are a process to make the polymer, compositions containing the polymer and articles obtained by using the polymer.

Abstract: This application disclosures a method for calibrating filament current data of an X-ray tube. The method includes obtaining a first value of tube current to be calibrated and a value of filament current to be calibrated, the tube current to be calibrated and the filament current to be calibrated corresponding to a first calibration point; performing an emission operation based on the first value of the tube current to be calibrated and the value of the filament current to be calibrated; determining an actual value of the tube current during the emission operation; determining a difference between the actual value of the tube current and the first value of the tube current to be calibrated; and calibrating, based on the difference, the first calibration point.

Abstract: An upflow reactor (1), includes a housing (20), a catalyst bed layer (30) and a pressing device (10). The housing (20) is internally provided with a reaction chamber (210), a reaction material inlet (220) and a reaction material outlet (230) which are in communication with the reaction chamber (210) are provided on the housing (20). The catalyst bed layer (30) is provided within the reaction chamber (210), the pressing device (10) is provided within the reaction chamber (210) and located above the catalyst bed layer (30). At least a part of the pressing device (10) is movable up and down so that the at least a part of the pressing device (10) can be pressed against the catalyst bed layer (30).

Abstract: The present disclosure relates to systems and methods for configuring a medical device for a medical procedure. The systems may perform the method to acquire information relating to a target object through at least one of one or more sensors, one or more remote information devices, one or more human machine interaction devices, and software implemented by a processing device. The systems may perform the method to acquire determine, based on the information relating to the target object, that there is a scan to be performed on the target object. Before an appointment time of the scan, the systems may perform the method to acquire adjust the medical device from a standby mode to a work mode to perform the scan on the target object.

Abstract: An upflow reactor (1), comprising a housing (20), a catalyst bed layer (30) and a pressing device (10). The housing (20) is internally provided with a reaction chamber (210), a reaction material inlet (220) and a reaction material outlet (230) which are in communication with the reaction chamber (210) are provided on the housing (20); the catalyst bed layer (30) is provided within the reaction chamber (210), the pressing device (10) is provided within the reaction chamber (210) and located above the catalyst bed layer (30), and at least a part of the pressing device (10) is provided to be movable up and down, so that the at least a part of the pressing device (10) can be pressed against the catalyst bed layer (30).

Abstract: The present disclosure relates to systems and methods for configuring a medical device for a medical procedure. The systems may perform the methods to initialize a gantry angle of a medical device of a new scan. The systems may also perform the methods to obtain a pre-set gantry angle associated with the new scan. The systems may also perform the methods to determine whether the initialized gantry angle is consistent with the pre-set gantry angle. The systems may also perform the methods to adjust the initialized gantry angle of the medical device to the pre-set gantry angle in response to a determination that the initialized gantry angle is inconsistent with the pre-set gantry angle.

Abstract: Systems and methods for medical imaging. The method may include acquiring a tube voltage switching waveform for a radiation source of a medical device. The method may include determining a tube current switching period based on the tube voltage switching waveform. The method may include determining a sampling period correlated with the tube current switching period. The method may include acquiring projection data according to the sampling period. The method may further include reconstructing an image based on the acquired projection data.

Abstract: The present disclosure is related to systems and methods for monitoring a medical device. The medical device may include a tube configured to generate radiation rays and a detector configured to receive radiation rays emitted from the tube. The tube may include an anode target and a filament. The detector may include a plurality of detecting units. The method may include obtaining imaging data acquired by the detector via detecting radiation rays emitted from the tube. The method may also include determining a first feature parameter associated with the radiation rays based on the imaging data. The method may further include monitoring the medical device based on the first feature parameter associated with the radiation rays.

Abstract: The present invention relates to a sealing compound, in particular a tyre sealing compound, comprising a specific crosslinked butyl rubber and the use thereof as well as a process for producing said sealing compound.

Abstract: A sealing compound comprising an inventive extended sealing gel, a process for producing this sealing compound, the use of sealing gels in sealing compounds, and the use of sealing gel-containing sealing compounds in tyres

Abstract: This application disclosures a method for calibrating filament current data of an X-ray tube. The method includes obtaining a first value of tube current to be calibrated and a value of filament current to be calibrated, the tube current to be calibrated and the filament current to be calibrated corresponding to a first calibration point; performing an emission operation based on the first value of the tube current to be calibrated and the value of the filament current to be calibrated; determining an actual value of the tube current during the emission operation; determining a difference between the actual value of the tube current and the first value of the tube current to be calibrated; and calibrating, based on the difference, the first calibration point.

Abstract: Systems and methods for medical imaging. The method may include acquiring a tube voltage switching waveform for a radiation source of a medical device. The method may include determining a tube current switching period based on the tube voltage switching waveform. The method may include determining a sampling period correlated with the tube current switching period. The method may include acquiring projection data according to the sampling period. The method may further include reconstructing an image based on the acquired projection data.

Abstract: This application disclosures a method for calibrating filament current data of an X-ray tube. The method includes obtaining a first value of tube current to be calibrated and a value of filament current to be calibrated, the tube current to be calibrated and the filament current to be calibrated corresponding to a first calibration point; performing an emission operation based on the first value of the tube current to be calibrated and the value of the filament current to be calibrated; determining an actual value of the tube current during the emission operation; determining a difference between the actual value of the tube current and the first value of the tube current to be calibrated; and calibrating, based on the difference, the first calibration point.

Abstract: Particulate compositions solid at 20° C. and comprising at least one copolymer based on at least the following comonomers a) to d) a) conjugated diene, b) ?,?-unsaturated nitrile, c) at least one polyfunctional radically polymerizable comonomer and d) at least one carboxyl-, hydroxyl-, epoxy- and/or amino-group-functional radically polymerizable comonomer, which possess an average particle diameter of the primary particles of 5 to 500 nm, characterized in that these compositions possess a pourability to EN DIN 6186:1998 (funnel diameter 15 mm) of not more than 33 s.

Abstract: The present invention relates to: a sealing gel having a Mooney viscosity (ML1+4 @ 100° C.) in the range from 100 MU to 170 MU, a sealing compound comprising inventive sealing gel, a process for producing this sealing compound, the use of sealing gels for improving viscoelastic properties in sealing compounds, and the use of sealing gel-containing sealing compounds for improving rolling resistance properties in tyres having sealing layers.

Abstract: The present disclosure is related to systems and methods for monitoring a medical device. The medical device may include a tube configured to generate radiation rays and a detector configured to receive radiation rays emitted from the tube. The tube may include an anode target and a filament. The detector may include a plurality of detecting units. The method may include obtaining imaging data acquired by the detector via detecting radiation rays emitted from the tube. The method may also include determining a first feature parameter associated with the radiation rays based on the imaging data. The method may further include monitoring the medical device based on the first feature parameter associated with the radiation rays.

Abstract: The present disclosure is related to systems and methods for monitoring a medical device. The medical device may include a tube configured to generate radiation rays and a detector configured to receive radiation rays emitted from the tube. The tube may include an anode target and a filament. The detector may include a plurality of detecting units. The method may include obtaining imaging data acquired by the detector via detecting radiation rays emitted from the tube. The method may also include determining a first feature parameter associated with the radiation rays based on the imaging data. The method may further include monitoring the medical device based on the first feature parameter associated with the radiation rays.

Abstract: A delayed sealing compound comprising inventive sealing gel, a process for producing this sealing compound, and the use of sealing compounds in tyres with warning ability.