Abstract: Disclosed is a compound of formula I or a pharmaceutically acceptable salt, active metabolite, tautomer, stereoisomer, or prodrug thereof as BTK (Bruton's Tyrosine Kinase) inhibitors, which is useful for the treatment of autoimmune disease, inflammatory disease, cancer and potentially allergies.

Abstract: A blockchain-based transaction system for a green certificate includes an audit node, a proxy node, and an off-chain node. The proxy node is used by a power producer and a purchaser; the audit node verifies qualification information of the power producer, and send a green certificate to the power producer; the off-chain node predicts a transaction price of a next transaction; when receiving sale information of the power producer and purchase information of the purchaser, the proxy node sends the sale information, a digital signature of the power producer, the purchase information, and a digital signature of the purchaser to the off-chain node; the off-chain node matches the sale information and the purchase information, and sends successfully matched transaction information to the proxy node; the proxy node sends the successfully matched transaction information to a transaction smart contract; and the transaction smart contract performs transaction processing.

Abstract: Disclosed is a heat exchanger. An end cover is assembled and fixed to a port of a first header in a lengthwise direction or a port of a second header in a lengthwise direction, and the end cover includes a body and a first opening formed in the body. The body includes a second cavity and a first recess. The first recess includes a first bottom wall close to the first opening, the first bottom wall is provided with a third opening, the third opening is in communication with the first opening and the second cavity, and the first opening is farther away from an inner cavity of the first header or an inner cavity of the second header than the second cavity. The open area of the first recess is larger than that of the third opening.

Abstract: A method for trajectory processing includes: displaying, on a graphical user interface, a plurality of trajectory diagrams of multiple spaces, wherein each space corresponds to at least one of the trajectory diagrams; determining a target space on the graphical user interface, wherein a perimeter of the target space being formed by boundaries of two or more spaces of the multiple spaces; determining attribute information of the two or more spaces, wherein the attribute information of a space includes at least an area of the space calculated based on one or more of the trajectory diagrams that correspond to the space; and determining an area of the target space based on the areas of the two or more spaces.

Abstract: Provided are a distributed collaborative privacy calculation method and system for carbon emission in a plurality of power grids. An electricity quantity exchange matrix between regions, and a power generation information matrix, an electricity quantity exchange matrix, and a power-generation carbon emission information matrix of each region are constructed. A corresponding electricity carbon flow information matrix is calculated based on the power generation information matrix and the electricity quantity exchange matrix of each region. An electricity carbon emission balance equation is constructed, and an electricity carbon emission factor matrix of each region is calculated, where the electricity carbon emission factor matrix is constituted by an electricity carbon emission factor of a sub-region.

Abstract: Provided are a method and device employing a smart contract to realize identity-based key management. The method comprises: running a smart contract, and executing a key management process, wherein the key management process comprises: when a key of a target user requires an update and the target user is not a supervised user, generating a master public key and a master private key pertaining to the target user; acquiring, from a blockchain, identity information of the target user; generating a first target private key according to the master public key and the master private key pertaining to the target user and the identity information of the target user; and replacing a current private key of the target user with the first target private key.

Abstract: A trajectory generation method includes: obtaining distance information which a ranging apparatus has traveled; obtaining, from a sensor system, first angle information and second angle information corresponding to the ranging apparatus when the ranging apparatus is traveling in a space; determining a plurality of target sample points for a trajectory diagram of the space, and generating the trajectory diagram by connecting the plurality of target sampling points. Determining the target sample points includes: using a candidate sample point as one of the plurality of target sample points; in response to a trajectory adjustment condition not being satisfied, determining coordinates of the candidate sample point based on the distance information and the first angle information; and in response to the trajectory adjustment condition being satisfied, adjusting the candidate sample point based on the distance information, the first angle information, and the second angle information.

Abstract: A ranging system includes a ranging apparatus, an angle sensor disposed in the terminal device or in the ranging apparatus, and a processor. The ranging apparatus includes a measuring wheel, a rotating shaft disposed on the measuring wheel, and an electronic counter connected to the rotating shaft and configured to obtain distance information, in real time, of a route which the measuring wheel has already traveled. The angle sensor is configured to obtain angle information in real time. The processor is configured to generate a traveling trajectory diagram of the measuring wheel based on the distance information from the electronic counter and the angle information from the angle sensor, and perform optimization processing on the traveling trajectory to generate an optimized trajectory diagram.

Abstract: Sweetener and flavor compositions with improved taste profiles are disclosed. Also disclosed are methods of making and methods of using such sweetener and flavor compositions.

Abstract: A method includes: obtaining a push content request from an object; determining a push content set according to the push content request; detecting historical behavior feature data of the object for a push content in response to a behavior feature of the object for the push content satisfying a preset negative behavior condition; performing content-based matching for the push content set based on the historical behavior feature data to obtain a target push content set of the object; performing content sorting of the push content set and performing content-based matching of the push content of the object to obtain a target push content set of the object; and determining a target push content of the object from the target push content set, and transmitting the target push content to the object.

Abstract: Sweetener and flavor compositions with improved taste profiles are disclosed. Also disclosed are methods of making and methods of using such sweetener and flavor compositions.

Abstract: A blockchain-based transaction system for a green certificate includes an audit node, a proxy node, and an off-chain node. The proxy node is used by a power producer and a purchaser; the audit node verifies qualification information of the power producer, and send a green certificate to the power producer; the off-chain node predicts a transaction price of a next transaction; when receiving sale information of the power producer and purchase information of the purchaser, the proxy node sends the sale information, a digital signature of the power producer, the purchase information, and a digital signature of the purchaser to the off-chain node; the off-chain node matches the sale information and the purchase information, and sends successfully matched transaction information to the proxy node; the proxy node sends the successfully matched transaction information to a transaction smart contract; and the transaction smart contract performs transaction processing.

Abstract: Sweetener and flavor compositions with improved taste profiles are disclosed. Also disclosed are methods of making and methods of using such sweetener and flavor compositions.

Abstract: A device for calibrating a laser level includes a base platform, a target, and an image recognition device. The base platform is configured to support the laser level that is to be mounted on the base platform at a first position. The target is arranged at a second position of the base platform and configured to receive a laser. The image recognition device is configured to obtain images of lasers projected on the target before and after the laser level rotates a first angle, determine, based on an image recognition result of the images, positions of the lasers emitted by the laser level to determine a deviation distance, and determine whether the laser level needs to be calibrated based on the deviation distance. The deviation distance is determined by position data of the first position and the second position, and the first angle.

Abstract: A source code patch generation system uses the context of a buggy source code snippet of a source code program and a hint to predict a source code segment that repairs the buggy source code snippet. The hint is a source code segment that is semantically-similar to the buggy source code snippet where the similarity is based on a context of the buggy source code snippet. An autoregressive deep learning model uses the context of the buggy source code snippet and the hint to predict the most likely source code segment to repair the buggy source code snippet.

Abstract: A control device for controlling a temperature of a laser device includes a pulse width modulation (PWM) signal generator, a temperature acquisition circuit, a voltage comparator, and a logic circuit. The a pulse width modulation (PWM) signal generator configured to generate a PWM signal; a temperature acquisition circuit configured to acquire a temperature of the laser device and convert the temperature into a measurement voltage; a voltage comparator configured to compare the acquired measurement voltage associated with the temperature of the laser device with a temperature threshold voltage and output a comparison result signal; and a logic circuit configured to generate a drive signal based on the PWM signal and the comparison result signal to drive the laser device.

Abstract: Provided is a pet cat excrement screening device. The pet cat excrement screening device includes a support base; a drum rotatably mounted on the support base; and a drum driving device mounted on the support base. The drum is configured to rotate between a first position and a second position under drive of the drum driving device, where the rotation angle of the drum is less than 360 degrees. A side wall of the drum body of the drum is provided with a pet inlet. The pet inlet is exposed out of the support base during a rolling process of the drum. A screening mechanism is mounted in the drum. The rear end of the drum is provided with a waste discharge port.

Abstract: A device for calibrating a laser level includes a base platform, a target, and an image recognition device. The base platform is configured to support the laser level that is to be mounted on the base platform at a first position. The target is arranged at a second position of the base platform and configured to receive a laser. The image recognition device is configured to obtain images of lasers projected on the target before and after the laser level rotates a first angle, determine, based on an image recognition result of the images, positions of the lasers emitted by the laser level to determine a deviation distance, and determine whether the laser level needs to be calibrated based on the deviation distance. The deviation distance is determined by position data of the first position and the second position, and the first angle.

Abstract: The invention describes products, uses thereof, compositions thereof, and methods to prepare products formed from Maillard reaction products from a sugar donor and/or sweet tea extracts, stevia extracts, swingle (mogroside) extracts, one or more sweet tea extract components, one or more steviol glycosides, one or more mogrosides, one or more glycosylated sweet tea glycosides, one or more glycosylated steviol glycosides or one or more glycosylated mogrosides and an amine donor/reactant.

Abstract: The present disclosure relates to a radiation assembly, a waveguide antenna sub-arrays, and a waveguide array antenna. The radiation assembly for the waveguide array antenna comprises: a first radiation layer having a plurality of first radiation windows, each of the plurality of first radiation windows has a metal grid that divides the corresponding first radiation window into two radiation holes; and a second radiation layer having a plurality of second radiation windows, the plurality of second radiation windows has a one-to-one correspondence with the plurality of first radiation windows, and the plurality of second radiation windows of the second radiation layer do not have a metal grid. The thickness of the second radiation layer is greater than the thickness of the first radiation layer, and the first radiation layer and the second radiation layer are manufactured independently of each other.