Abstract: This specification provides a training method of a hybrid graph neural network model. The hybrid graph neural network model includes an encoding function and a decoding function. The method includes the following: using instances corresponding to all targets in training samples and several nearest neighbors of the instances as nodes in a graph, a graph representation vector of each instance is generated by using the encoding function based on graph data of all the instances. t rounds of training are performed on a decoding parameter; and in each round, bs targets are extracted from training samples, a predicted quantity of each target is generated by using the decoding function based on the graph representation vector of the instance corresponding to each target and non-graph data corresponding to each target, and the decoding parameter is optimized based on a loss quantity of the current round that is determined by the predicted quantities and label quantities of the bs targets in the current round.

Abstract: A tool includes a housing, a drive assembly including an output shaft extending from the housing such that a tool element for performing work on a workpiece is attachable to the output shaft, and a bushing disposed within the housing. The bushing rotatably supports the output shaft. The bushing is impregnated with lubricant such that the bushing is self-lubricating, and the bushing has an impregnation ratio between about 5% and about 25%.

Abstract: A high-speed connector includes an insulating body and a terminal module. The terminal module includes a number of terminal groups. Each terminal group includes a number of ground terminals, a number of signal terminals and two shielding pieces. The ground terminal includes a ground pin. The signal terminal includes a signal pin. Each shielding piece includes a number of convex portions and a number of surrounding portions. The ground pins and the signal pins are distributed in a staggered manner. At least one ground pin is in contact with the convex portions of the two shielding pieces. The surrounding portion surrounds the signal pins. When the ground pins and the signal pins are no longer in the same plane or the same row, the shielding piece can prevent cross-talk among signals, thereby improving the transmission quality.

Abstract: Disclosed in the disclosure are a method and apparatus for calibrating an exposure surface of an optical system, and a computer device and a storage medium. The method includes: performing flat-field correction on a photographing module; acquiring a grayscale distribution image; segmenting the grayscale distribution image into a mesh image including a plurality of segmented regions, and calculating a fitting grayscale value of each segmented region; selecting, as a reference grayscale value, a minimum fitting grayscale value from all the fitting grayscale values obtained through calculation, and calculating grayscale compensation coefficients corresponding to the other segmented regions, so as to generate a digital mask; and performing mask compensation, by using the digital mask, on a light projection image projected by the optical system, so as to obtain a printed image of which the exposure surface has a uniform irradiance value.

Abstract: A compound is disclosed that has a metal coordination complex structure having at least two ligands coordinated to the metal; wherein the compound has a first substituent R1 at one of the ligands' periphery; wherein a first distance is defined as the distance between the metal and one of the atoms in R1 where that atom is the farthest away from the metal among the atoms in R1; wherein the first distance is also longer than any other atom-to-metal distance between the metal and any other atoms in the compound; and wherein when a sphere having a radius r is defined whose center is at the metal and the radius r is the smallest radius that will allow the sphere to enclose all atoms in the compound that are not part of R1, the first distance is longer than the radius r by at least 2.9 ?.

Abstract: An image processing method and an electronic device are provided. The image processing method includes: displaying a first interface, where the first interface includes a first control; detecting a first operation on the first control; obtaining a first image stream in response to the first operation, where the first image stream is an image stream of first color space; converting the first image stream into a second image stream of second color space according to a demosaicing algorithm; performing downsampling and resampling on the second image stream to obtain a third image stream, where the third image stream is an image stream of the first color space, and a size of the third image stream is less than that of the first image stream; and performing image processing on the third image stream to obtain a fourth image stream.

Abstract: In a data processing method, an event setting interface of an event is displayed in a first application. The event setting interface includes an event data setting element and a data association control element of the event. Event setting data of the event is received from a user via the event data setting element. The event setting data of the event is sent to a second application based on a user selection of the data association control element. The first application is associated with a first service and the second application is associated with a second service that is different from the first service.

Abstract: This application disclose a conference creation method performed by a computer device. The method includes: displaying a group conversation page of a group in a first message application, the group conversation page comprising a conference initiation control; in response to a triggering operation for the conference initiation control, creating a target conference corresponding to a conference application and transmitting conference invitation information to a conference member of the target conference, the conference member of the target conference comprising at least one first member of the first message application; and when an acquired response state of the conference member in the target conference for the conference invitation information is a preset state and an association relationship between the response conference member and the at least first member of the first message application satisfies a preset relationship condition, allowing the response conference member to join the target conference.

Abstract: A communication method, device, and system are disclosed, and pertain to the field of communication technologies. The method includes: After determining a node set including a node that supports segment routing, a controller may send a target segment identifier list to a source node, to indicate the source node to forward a packet of a target flow based on the target segment identifier list, where the source node of the target flow in a communication network belongs to the node set. According to the communication method provided in this application, the target segment identifier list can be sent to the source node of the target flow, to indicate a packet forwarding path of the target flow, thereby reducing network link congestion, and improving packet forwarding efficiency.

Abstract: A conference data processing method includes acquiring a first meeting list of meetings created by a user, meetings in the first meeting list having been created by the user through an instant messaging (IM) client. The IM client includes an interface for calling a software development kit (SDK) of a separate conference application implementing at least one of audio or video conferencing. The method further includes requesting, through a fusion server, a server of the conference application to create a second meeting list according to the first meeting list, and receiving, through the fusion server, the second meeting list transmitted by the server of the conference application. The second meeting list includes meetings that correspond respectively to the meetings in the first meeting list. The method further includes establishing an association relationship between a meeting in the first meeting list and a meeting in the second meeting list.

Abstract: Compounds containing indolocarbazole and terphenyl building blocks are disclosed in this application. These compounds are useful for application in organic electroluminescent devices.

Abstract: The present disclosure belongs to the technical field of biomedicine and, particularly, relates to a use of an MYOG gene as a target in the preparation of a drug for treating a cardiomyocyte apoptosis-associated cardiovascular disease (CVD). By constructing angiotensin II-induced human induced pluripotent stem cell-differentiated cardiomyocyte apoptosis models in vitro, the present disclosure reveals for the first time the role of the transcription factor MYOG in the inhibition of cardiomyocyte apoptosis and provides a theoretical and scientific basis for drug research and development of cardiomyocyte apoptosis-associated CVDs. MYOG gene becomes a new target for CVD drug research and development.

Abstract: A full-automatic preparation method of a cast-off cell smear includes the following steps: S1: pretreatment of a cast-off cell: automatically pretreating the cast-off cell to be prepared to remove interfering substances; S2: automatically transferring a pretreated cast-off cell to a cyclic settling module to allow constant-temperature settling, and staining and moisturizing the pretreated cast-off cell; and S3: subjecting a moisturized cast-off cell to automatic liquid sealing. The full-automatic preparation method of the cast-off cell smear realizes the automation of smear preparation, staining, and sealing, and also realizes the unattended high-throughput output and the high-quality smear preparation and sealing.

Abstract: An integrated constant-temperature fully-automatic cell smear preparation device includes a rotary settling disc, where the rotary settling disc includes a settling disc base and a turntable body connected to a settling disc body through a fixed shaft; a glass slide addition mechanism arranged adjacent to a glass slide inlet position of the rotary settling disc; a cleaning and sample addition integrated device, where the cleaning and sample addition integrated device is arranged on a side of the rotary settling disc, the cleaning and sample addition integrated device includes a cleaning assembly and a sample addition assembly, and the cleaning assembly and the sample addition assembly add fluid to one or more different settling cups simultaneously as the turntable body rotates intermittently; and a glass slide discharging mechanism arranged adjacent to a glass slide outlet position of the rotary settling disc.

Abstract: A method for coupling hydraulic fracture network extension and production performance of a horizontal well in an unconventional oil and gas reservoir includes: establishing a complex hydraulic fracture network model of a fractured horizontal well in an unconventional oil and gas reservoir based on a fracture extension theory; constructing three-dimensional three-phase mathematical models of seepage for the fractured horizontal well based on an embedded discrete fracture model; and constructing a fully implicit numerical calculation model by a finite difference method through three-dimensional orthogonal grids, and solving iteratively, thereby accurately predicting a production performance characteristic of the fractured horizontal well in the unconventional oil and gas reservoir.

Abstract: A damage identification method based on cable force tests of a cable system and test error self-adaptive analysis is proposed to measure cable forces in prestressed steel structures and find out possible damage positions of the cable system. The method includes placing a laser velocimeter; measuring the vibration speed history data of the measuring point P on the cable by the laser velocimeter; calculating the cable force; calculating all the cable forces of the cable system through the same procedure; analyzing error between cables and finding out the possible damage of the cable or of the tie rod connected to the cable. The dynamic response characteristics of both in-plane and out-of-plane of a cable can be obtained through the method of the present invention. The self-verified more accurate results can be obtained, and the damage in a cable system can be determined according to error self-adaptive analysis.

Abstract: A damage identification method based on cable force tests of a cable system and test error self-adaptive analysis is proposed to measure cable forces in prestressed steel structures and find out possible damage positions of the cable system. The method includes placing a laser velocimeter; measuring the vibration speed history data of the measuring point P on the cable by the laser velocimeter; calculating the cable force; calculating all the cable forces of the cable system through the same procedure; analyzing error between cables and finding out the possible damage of the cable or of the tie rod connected to the cable. The dynamic response characteristics of both in-plane and out-of-plane of a cable can be obtained through the method of the present invention. The self-verified more accurate results can be obtained, and the damage in a cable system can be determined according to error self-adaptive analysis.

Abstract: Methods, systems, apparatuses, and computer-readable storage media for interactions based on in-vehicle digital persons are provided. In one aspect, a method includes: acquiring a video stream of a person in a vehicle captured by a vehicle-mounted camera, processing at least one frame of image included in the video stream to obtain one or more task processing results based on at least one predetermined task, and performing, according to the one or more task processing results, at least one of displaying a digital person on a vehicle-mounted display device or controlling a digital person displayed on a vehicle-mounted display device to output interaction feedback information.

Abstract: A leaf bruising machine and method for tea inluding frame, bruising basket, rotating door, locking assembly, and drive control mechanism. Bruising basket is rotatably disposed on frame, and has feed, discharge opening, and accommodating cavity. Rotating door is arranged at bruising basket outer side. Position limiting hole is provided on rotating door. Bruising basket rotates relative to rotating door. Rotating door blocks or opens feed and discharge opening. Locking assembly having spring-loaded ball latch and electromagnetic switch. Drive control mechanism comprises rotation drive device and controller. Rotation drive device is connected to bruising basket to drive bruising basket rotation. Leaf bruising machine bruises tea leaves. When feed and discharge opening is opened or sealed, bruising basket and rotating door is locked by electromagnetic switch and spring-loaded ball latch cooperation.

Abstract: A tool includes a housing, a drive assembly including an output shaft extending from the housing such that a tool element for performing work on a workpiece is attachable to the output shaft, and a bushing disposed within the housing. The bushing rotatably supports the output shaft. The bushing is impregnated with lubricant such that the bushing is self-lubricating, and the bushing has an impregnation ratio between about 5% and about 25%.