Abstract: An array substrate, a display panel and a display apparatus are disclosed. The array substrate includes: a base substrate; an array of thin film transistors disposed on a side of the base substrate, wherein the array of thin film transistors includes a semiconductor layer; and a common metal layer disposed on a side of the array of thin film transistors away from the base substrate. An orthographic projection of the common metal layer on the base substrate does not overlap with an orthographic projection of the semiconductor layer on the base substrate, the common metal layer includes a plurality of metal wires arranged in an intersecting manner, wherein at least one of the plurality of metal wires is provided with a gap, and the main spacing area is disposed at or close to a center of an orthographic projection of the gap on the base substrate.

Abstract: The present invention relates to an aerated grassland soil loosening and fertilization assembly, which dynamically integrates soil loosening and fertilization during grassland crop planting. Combined with agricultural machinery, grassland planting efficiency is improved and crop germination rates increased. The device comprises a support mechanism, an aeration device, and an air and fertilizer supply device. The support mechanism comprises a support plate, a curved guide rail, and at least one sliding block; the aeration device comprises an aeration pin support and an aeration pin; the air and fertilizer supply device comprises an air pump, an air ring, an air pipe, a fertilizer bin, a fertilizer delivery pipe, and proximity switches.

Abstract: A method for automatic lane changing of vehicles including (i) receiving scenario information, (ii) receiving lane change recommendations, and (iii) adjusting one or more parameters of the PID controller based on the scenario information and the lane change recommendations to mimic the driving style of the driver during lane changes. A device for automatic lane changing of vehicles, a computer storage medium, and a computer program product are also disclosed.

Abstract: In a rail detection system, a traveling mechanism and a horizontal moving mechanism move a detection device accurately to a position directly above a position to be detected by moving parallel to an extension direction of the rail. A vertical lifting mechanism is provided with the detection device, and can drive the detection device to lift up and down. A aligning mechanism is connected with the detection device, and includes a force-bearing mechanism and a follow-up mechanism. The force-bearing mechanism is configured to generate a force along a direction perpendicular to the extension direction of the rail when being in a non-aligned position. Under the condition of being forced, the follow-up mechanism makes an adaptive adjustment movement along the direction perpendicular to the extension direction of the rail so that the detection device is aligned with a center of the rail.

Abstract: A helium genesis resource evaluation method comprises: determining the content of a decayed daughter isotope in a helium source rock at a target area; determining the amount of substance of helium in the helium source rock on the basis of the content of the decayed daughter isotope in the helium source rock; determining a total helium production amount of the helium source rock on the basis of the amount of substance of the helium in the helium source rock; determining a migration-accumulation coefficient of the helium in the helium source rock at the target area; and determining a helium accumulation resource amount on the basis of the migration-accumulation coefficient and the total helium production amount of the helium source rock. The method can realize effective evaluation on helium resources, and has an important guidance effect on conducting a research on helium reservoir formation and enrichment rule.

Abstract: Provided are a modular user health status monitoring device, method, and system, relating to the technical field of health status monitoring. The device includes: a plurality of functional components, where the plurality of functional components are detachably connected end to end to form a wristband or a ring; a sensing detection module, located in any one of the functional components; and a main control module, located in any one of the functional components and connected to the sensing detection module. The modules in this application can be easily detached and arbitrarily combined, enabling convenient implementation of different measurement functions.

Abstract: A winding battery cell, a cylindrical battery, and an electric device. The winding battery cell comprises an electrode sheet. The electrode sheet comprises an active material coating portion and a tab portion. The tab portion comprises a plurality of tabs arranged in the length direction of the electrode sheet. The tab portion of a winding starting section is a first tab portion. The first tab portion comprises a plurality of first tabs. The edge of the side of the first tabs facing a reel hole in a winding direction is a first side edge. The first side edge obliquely extends towards a winding tail end in the direction from the active material coating portion toward the tab portion. In the direction of the active material coating portion toward the tab portion, the height of each first tab extending out of the active material coating portion is a first height. In the winding direction, the heights of the plurality of first tabs increase.

Abstract: A winding battery cell includes an electrode plate. The electrode plate includes an active substance coating portion and a tab portion. The tab portion is connected to a side of the active substance coating portion. The tab portion includes a plurality of tabs arranged in a length direction of the electrode plate. An end of the electrode plate that faces a reel hole in a winding direction of the winding battery cell is a winding start section. A tab portion of the winding start section is a first tab portion. The first tab portion includes a plurality of first tabs. In a direction from the active substance coating portion to the tab portion, height dimensions of the plurality of first tab protruding from the active substance coating portion increase in the winding direction. Cylindrical battery and electric apparatus counterparts are also contemplated.

Abstract: The present invention relates to a multi-party semi-supervised learning method for recommending potential users of financial products, and falls within the field of big data recommendation. To address the challenge faced by financial product providers who possess only positive labeled data and thus cannot perform effective customer recommendation, the method conducts multiple rounds of random sampling on unlabeled data from multiple other parties while preserving data privacy and security. Through this process, multiple balanced binary classification datasets comprising both positive and pseudo-negative samples are constructed. Based on each balanced dataset, a vertical federated learning model is then trained using a base estimator. Based on the collective prediction results generated by the vertical federated learning models, reliable positive samples are identified from the unlabeled data.

Abstract: A battery includes a battery case, a battery cell, an elastic sealing member and a conductive pillar. The battery case and the elastic sealing member are connected and define an accommodating cavity, and the battery cell is arranged in the accommodating cavity. A through hole which extends in a first direction and is used for communicating the outside with the accommodating cavity is formed in the elastic sealing member, with one end of the conductive pillar passing through the through hole and being electrically connected to the battery cell, and the other end of the conductive pillar protruding out of the elastic sealing member. A pressure relief portion is arranged on the elastic sealing member, and the pressure relief portion is configured to rupture when the pressure in the accommodating cavity is greater than a pressure relief threshold, so as to release the pressure in the battery.

Abstract: In one aspect, an electrode sheet includes a body. The body includes a coated part and a tab part in a width direction of the body. The tab part includes a plurality of tabs disposed in a length direction of the body, and each of the tabs is connected to the coated part. The body extends in the length direction between a first end and a second end (4). The tab part includes a first region located at the first end in a direction from the first end to the second end. The plurality of tabs includes a plurality of first tabs located in the first region. In the direction from the first end to the second end, widths of the plurality of first tabs in the length direction of the body gradually decrease.

Abstract: A battery includes a metal housing, a battery cell, an electrically conductive column and an abutting member, the battery cell being accommodated in the metal housing, the battery cell comprising a battery cell body, a first tab and a second tab, a first end of the electrically conductive column being conductively connected to the first tab, a second end of the electrically conductive column being located outside the metal housing, the second tab having a tab protrusion protruding from the battery cell body, and the abutting member being accommodated in the metal housing and used to press the tab protrusion against an inner surface of the metal housing such that the tab protrusion is in conductive contact with the metal housing.

Abstract: A battery cell, a cylindrical battery, and an electrical device are provided. The battery cell includes a wound battery cell body. The wound battery cell body includes a first electrode plate, a second electrode plate, and a separator that are wound. The electrode plate includes an electrode plate body and an active substance layer. The electrode plate body includes a coating region and a bare foil region connected to a side of the coating region in a winding axial direction. The active substance layer is covered on the coating region. At least a part of the bare foil region is suitable for being bent into a tab portion, and the tab portion includes a plurality of first tab groups spaced apart in a winding circumferential direction.

Abstract: Provided is an extension frame for use with a workpiece conveying device. The workpiece conveying device is adapted to convey a workpiece to a laser processing device and includes a first conveying assembly. The extension frame is configured to be connected to the first conveying assembly and to support the workpiece being conveyed to the laser processing device. the extension frame comprises at least two extension sub-frames, and two adjacent extension sub-frames of the extension sub-frames are connected to each other.

Abstract: A light-transmitting electrode structure and an smart wearable device are disclosed. The light-transmitting electrode structure is installed on an outer surface of an electronic device, and comprises: a base, a transparent electrode layer, and a conductive connector. The transparent electrode layer covers an outer surface of the base. The conductive connector passes through the base to electrically connect the transparent electrode layer with an ECG circuit in the electronic device, so that the transparent electrode layer forms an ECG electrode. The base is provided with light-transmitting through holes which are aligned with an optical heart rate sensor in the electronic device, so that the transparent electrode layer forms a light-transmitting lens of the optical heart rate sensor.

Abstract: A rail apparatus, a laser apparatus, and a laser machining device are provided in the present disclosure. The rail apparatus includes a rail frame assembly and a mounting assembly. The rail frame assembly includes a rail frame and a guide shaft fixed to the rail frame. The mounting assembly includes a mounting base and a pulley. The pulley defines a sliding groove. The sliding groove is slidably connected with the guide shaft. The laser apparatus includes a base, a laser, and a focusing member. The laser is disposed on the base and is configured to emit a laser light. The focusing member is movably disposed on the base and has a focusing end. The laser apparatus is operable in a retracting state and an extending state. The laser machining device includes the rail apparatus and the laser apparatus.

Abstract: A high anti-interference microsystem based on System In Package (SIP) for a power grid is provided. The high anti-interference microsystem comprises a ceramic cavity, a ceramic substrate, a magnetic cover plate, a digital signal processing circuit, an analog signal conditioning circuit and a shield, wherein the ceramic cavity supports the ceramic substrate, the magnetic cover plate is in sealed contact with the ceramic cavity, and the ceramic substrate is arranged in a cavity formed by the ceramic cavity and the magnetic cover plate; a sealed shell of the microsystem based on SIP is composed of the magnetic cover plate and the ceramic cavity; the digital signal processing circuit and the analog signal conditioning circuit are arranged on the ceramic substrate and respectively process received signals to be processed; the shield covers an outer side of the sealed shell and is used for shielding external magnetic field interference.