Abstract: Provided are a welding system and a spot check method for a welding system. The welding system includes a controller, a human-machine interface, and a welding device. The spot check method for a welding system includes: controlling a rangefinder in a welding device to perform ranging, along a first direction, of at least two posts in a battery product to be welded, so as to obtain a set of ranging values between the at least two posts and the rangefinder, the first direction being parallel to an optical axis of a laser galvanometer in the welding device, the rangefinder being calibrated based on a first position in the first direction, the first position being a position of a focal point of the laser galvanometer in the first direction, and the rangefinder being at a fixed distance from the laser galvanometer in the first direction.

Abstract: Provided a post welding method and a post welding system. The post welding method includes: addressing, under a guidance based on product data of a product to be welded, at least one cell post in the product to be welded, to obtain an addressing coordinate set of the at least one cell post, where the product data represents a product structure of the product to be welded, and the addressing coordinate set of the at least one cell post represents a position of the at least one cell post in the product to be welded in a current environment; and determining a welding coordinate set of the at least one cell post based on the addressing coordinate set of the at least one cell post, to implement, based on the welding coordinate set of the at least one cell post, electrical connections between cells in the product to be welded.

Abstract: A pre-welding positioning system includes a frame body, a controller, a three-axis mechanism arranged on the frame body, and a vision acquisition system and a fixing component arranged on the three-axis mechanism. The controller is configured to control the three-axis mechanism to move to a designated position based on product information of a battery pack to be welded. The vision acquisition system is configured to acquire, at the designated position, an image of a positioning component of the battery pack, in response to the three-axis mechanism reaching the designated position, and determine a distance deviation value between the positioning component and a preset reference point based on the acquired detection image. The controller is further configured to control the three-axis mechanism to drive the fixing component to the positioning component based on the distance deviation value to fix the battery pack to the frame body by the fixing component.

Abstract: A coordinate conversion method includes obtaining a first post coordinate set of at least one post of a battery product in an addressing station coordinate system, and a first marking point coordinate set that corresponds to each of at least two marking points in the addressing station coordinate system; obtaining a second marking point coordinate set of the at least two marking points in a welding station coordinate system; determining, based on the first marking point coordinate set and the second marking point coordinate set, conversion parameters of coordinates between the addressing station coordinate system and the welding station coordinate system, where the conversion parameters include a rotation parameter and a translation amount; and performing, based on the conversion parameters, a conversion on the first post coordinate set to obtain a second post coordinate set of the at least one post in the welding station coordinate system.

Abstract: Disclosed is a fusion protein of interleukin 2 and an application thereof in the treatment or prevention of inflammatory bowel disease, characterized in that the fusion protein comprises: human interleukin 2 or a variant thereof, and human serum albumin or a variant thereof.

Abstract: Provided is a desalination device using a solvent extraction method, comprising: a first mixing tank composed of a feed water inlet into which feed water comprising salt ions and water molecules flows, a first solvent inlet into which a first solvent selectively reacting more with the water molecules than with the salt ions flows, a first mixing tank body in which the feed water and the first solvent are mixed so as to form a mixed water, and a mixed water outlet through which the mixed water is discharged; a first separation tank composed of a mixed water inlet which communicates with the mixed water outlet so that the mixed water flows therein, a first separation tank body in which brine containing salt ions of the feed water and first treatment water formed from mixing the water molecules of the feed water and the first solvent of the mixed water are separated by layer, and a first treatment water outlet through which the first treatment water is discharged; a second mixing tank composed of a first treatme

Abstract: The present disclosure discloses a sensing function control node for an Internet of Things (IoT), and relates to technical field of electrical communication. The node includes an accessing module for sensors and actuators, a data format analyzing and integrating module and a transmission accessing and connecting module. Software-defined optical access technologies are utilized to control original sensing data in the IoT to access the accessing module for the sensors and the actuators. Status information of modules in the node is sensed in real time through a software-defined unified control plane, to adjust upload rates of modules and control the connections between sensing function control node and EAN. The original sensing data in IoT are transmitted to the transmission accessing and connecting module after being pre-processed. The pre-processed data are transmitted to EAN through upload channels between the sensing function control node and EAN established.

Abstract: Provided is a gate driving circuit. The gate driving circuit includes a plurality of first transistors; wherein at least one first target transistor of the plurality of first transistors includes a first light-shielding layer disposed on a side of a base substrate, the first light-shielding layer being made of a conductive material; and a first gate metal layer and a first source/drain metal layer disposed on a side of the first light-shielding layer away from the base substrate; wherein the first light-shielding layer is connected to the first gate metal layer.

Abstract: The disclosure discloses a marking method and apparatus of a continuous composite strip. The method incudes: collecting a first sequence of images of the continuous composite strip; splicing multiple images of the first sequence of images according to a collection sequence, to obtain a to-be-detected image with at least one electrode sheet structure; and marking, in case where two electrode sheet edges are identified in the to-be-detected image, a position of the collection-sequentially second electrode sheet edge in the continuous composite strip as an electrode sheet division position of the continuous composite strip. The method determines the electrode sheet division position by identifying the electrode sheet edges in the continuous composite strip, obtains the specific position information of the electrode sheet, and accurately performs the sheet division marking of the continuous composite strip.

Abstract: A method for detecting an object includes obtaining an original image of a road through a sensor by performing an image capturing operation; extracting a region of interest (ROI) including a first target pixel point from the original image, in which the first target pixel point is a pixel point in the original image corresponding to a position on the road that is farthest from the sensor; and generating an object detection result by performing object detection on the ROI.

Abstract: The present disclosure discloses a sensing function control node for an Internet of Things (IoT), and relates to technical field of electrical communication. The node includes an accessing module for sensors and actuators, a data format analyzing and integrating module and a transmission accessing and connecting module. Software-defined optical access technologies are utilized to control original sensing data in the IoT to access the accessing module for the sensors and the actuators. Status information of modules in the node is sensed in real time through a software-defined unified control plane, to adjust upload rates of modules and control the connections between sensing function control node and EAN. The original sensing data in IoT are transmitted to the transmission accessing and connecting module after being pre-processed. The pre-processed data are transmitted to EAN through upload channels between the sensing function control node and EAN established.

Abstract: A motor malfunction monitoring device for monitoring a malfunction of a drive motor, includes: vibration sensors for detecting for one or more components of the drive motor transverse vibration in a direction parallel to a mounting plane of the drive motor and perpendicular to a longitudinal direction of the drive motor or longitudinal vibration in a direction perpendicular to both the mounting plane and the longitudinal direction of the drive motor; a voltage sensor for detecting a voltage of the drive motor or a current sensor for detecting a current of the drive motor; and a data storage storing a database of normal operation spectrums of one of the transverse vibration or the longitudinal vibration during a normal operation of the drive motor, and of one of the voltage or the current during a normal operation of the drive motor.

Abstract: Implementations of this specification provide query optimization methods, apparatuses, and systems for secure multi-party databases. In an implementation, a method includes: receiving a current query associated with a plurality of target database of a multi-party database system, generating a plurality of execution plans for the current query, determining, for each execution plan, a respective cost computation formula of a plurality of cost computation values for computing an execution cost of jointly executing the execution plan by the plurality of target databases, receiving a secure computation result from each of a plurality of query engines corresponding to the plurality of target databases, and determining an optimal execution plan having a lowest cost value in the plurality of cost computation formulas based on the secure computation result.

Abstract: The present disclosure provides a two-stroke pumping method and oil production device, and relates to the technical field of oil production. The oil production device comprises a pump body, wherein the oil production device further comprises a central tube of a hollow structure, and the central tube is partially located in the pump body and coaxially arranged with the pump body; a traveling valve and a standing valve are arranged on the left side and the right side of the outer wall of the central tube respectively, and the traveling valve is arranged between the pump body and the central tube; the standing valve is located outside the pump body; the traveling valve and the standing valve are matched with the pump body and the central tube to form an oil pumping space; and an oil pumping assembly is further arranged in the oil pumping space.

Abstract: A defect rate reduction method for finished products is disclosed. First, size parameters of various types of trademarks, indentations, and printed patterns are entered into a database to generate basic images, a corresponding standard trademark image is collected in real time for each basic image, and edge finding parameter optimization is manually performed, to find edge finding parameters that can be used to accurately extract the trademark edge, the indentation edge, and printed pattern edge on the standard trademark image, to complete the database modeling; sampling detection is performed, edge information is extracted based on a database model, a corresponding distance is calculated based on each extracted edge data information, and the information is compared with internal control to determine surface parameter quality of the sample trademark respectively, it is determined whether production requirements are met based on a determination result, and the unqualified batch of trademarks is eliminated.

Abstract: Provided is a subcellular self-tracer ion imaging and localization method of metal elements. Wherein, the above method includes: using the SEM-FIB-TOF-SIMS system to perform subcellular structure imaging and metal ion imaging on the sample slice, wherein in the SEM-FIB-TOF-SIMS system, the scanning electron microscope (SEM) is used to perform subcellular structure imaging on the sample slice; and the focused ion beam (FIB) is used to perform surface bombardment on the subcellular structures, and the secondary ions excited are detected by the time-of-flight secondary ion mass spectrometry (TOF-SIMS) to obtain the ion information in the analysis area and imaged.

Abstract: A motor malfunction monitoring device for monitoring a malfunction of a drive motor, includes: vibration sensors for detecting for one or more components of the drive motor transverse vibration in a direction parallel to a mounting plane of the drive motor and perpendicular to a longitudinal direction of the drive motor or longitudinal vibration in a direction perpendicular to both the mounting plane and the longitudinal direction of the drive motor; a voltage sensor for detecting a voltage of the drive motor or a current sensor for detecting a current of the drive motor; and a data storage storing a database of normal operation spectrums of one of the transverse vibration or the longitudinal vibration during a normal operation of the drive motor, and of one of the voltage or the current during a normal operation of the drive motor.

Abstract: A qualification rate increasing method for finished products based on trademark parameter detection and control is disclosed. Trademark parameters are detected and controlled at the front end of production. Specifically, according to the folding, gluing, and transportation stages of trademarks in a packaging machine, quality of a trademark gluing position is detected and controlled, trademark indentation stiffness is detected and controlled, and a trademark surface friction coefficient is detected and controlled, to determine the suitability of placing the trademarks on the machine to determine whether the trademarks meet production standards. Only a batch of trademarks of samples whose three detection results are all determined to be qualified can enter the production process, and trademark raw materials that do not meet the production standards are eliminated. Raw materials that may produce defect products are eliminated from the source.

Abstract: An array substrate and a display panel including a plurality of pixels, a plurality of scan line groups and a plurality of data lines, each of the pixels includes at least three sub-pixels, each of the scan line group includes three sub-scan lines, one of the scan line groups is provided between adjacent two of the pixel rows, and at least two of the sub-pixels in each of the pixels are connected to different two of the sub-scan lines in the one of the scan line groups, one of the pixel columns is provided between adjacent two of the data lines, and at least two of the sub-pixels in each of the pixels are connected to a same one of the data lines.

Abstract: Provided are a new class of hydrazone amide derivatives and the use thereof in the preparation of anti-osteoporosis drugs, wherein the structural formula of the hydrazone amide derivative is as shown in formula (I), and same are a new class of compounds with an anti-osteoporosis effect.