Abstract: The present disclosure discloses a mowing method that includes: obtaining a preset mowing region; identifying a first region and a second region in the mowing region according to a preset spiral mowing mode, where the first region is a spiral mowing region; generating a spiral mowing route corresponding to the first region, and generating a square wave-shaped mowing route corresponding to the second region based on a mowing trend corresponding to the spiral mowing route; and in response to a mowing trigger request for a robotic lawn mower, performing a mowing operation in the mowing region according to the spiral mowing route and the square wave-shaped mowing route.

Abstract: Disclosed is a method for preparing an exosome polypeptide hydrogel and use thereof, which belongs to the technical field of pharmaceutical preparations. The specific method includes the following steps: obtaining an exosome solution; preparation of an oxidized methoxypolyethylene glycol-poly L-tyrosine copolymer Pet; mixing the exosome solution with the Pet to obtain an exosome polypeptide hydrogel. The exosome polypeptide hydrogel prepared by the present disclosure can activate the MFGE8-ERK signaling pathway to induce M2 polarization of macrophages, and is used to treat radiation-induced intestinal injury.

Abstract: The present disclosure provides a video display method, an electronic device and a storage medium. The method includes: acquiring a key frame of a to-be-displayed video; determining a first image feature of the to-be-displayed video and a second image feature of the key frame; determining a target display parameter of the to-be-displayed video according to the first image feature and the second image feature by using a pre-trained image processing model, where the target display parameter includes at least one of a target window size or a target canvas resolution; and displaying the to-be-displayed video according to the target display parameter.

Abstract: A method of associating at least one asset with a bounded region in a yard is presented, the method including determining a virtual map of the yard including one or more bounded regions, bounded regions of the one or more bounded regions being regions in the yard where the at least one asset may be placed; determining a correspondence between points on the virtual map and coordinates in the yard; receiving an image from an image sensor positioned in the yard, the image including one or more assets; based on a pose of the image sensor, the correspondence, and positions of the one or more bounded regions, determining, the positions of the one or more bounded regions in the image; updating the virtual map to indicate that at least one asset is present within the first bounded region.

Abstract: A connector for connecting a NTC (negative temperature coefficient) thermistor is disclosed. The connector comprises an insulating body and a conductive terminal. The insulating body has a receiving hole therein. The conductive terminal has a connecting portion extending outward. The connecting portion extends out of the insulating body. The connecting portion has a recess for a NTC thermistor to be embedded and attached to the recess, such that the NTC thermistor can detect the temperature inside the connector in time. Thus, the power can be cut off in time to avoid irreversible consequences of fire, and the NTC thermistor can be mounted and operated more easily.

Abstract: An array substrate includes a base substrate, touch lines, signal lines, a touch module, and support members. The base substrate includes a display region, a first sealing region, a second sealing region, and two third sealing regions. The first sealing region and the second sealing region are disposed on two opposite sides of the display region in a first direction, the two third sealing regions are disposed on two opposite sides of the display region in a second direction, and the first direction is perpendicular to the second direction. The touch module is disposed on a side of the second sealing region away from the display region, the touch lines extend in the second direction in the display region, the signal lines are disposed in the second sealing region, and the touch lines are connected to the touch module through the signal lines.

Abstract: A novel photodiode structure, a preparation method and a circuit structure are provided. The novel photodiode structure includes a substrate having a first doping type, a functional doping area having a second doping type, a surface doping area having the first doping type, and an auxiliary doping area having the second doping type. By forming a non-uniformly doped functional doping area, the present disclosure forms a self-built potential difference in the functional doping area and drives the moving direction of the photogenerated carriers. The photogenerated carriers may be accelerated by the potential difference, so that the collected carriers will directly enter the subsequent circuit through the transport gate. In addition, the loop shape of the auxiliary doping area can increase the area of receiving charges, in a result, the auxiliary doping area can receive the transported carriers faster, thereby further enhancing the transport efficiency of the photogenerated carriers.

Abstract: The present disclosure discloses a folding wind deflector with a storage chamber for a golf cart, including an upper baffle (1), a lower baffle (4) hinged with the upper baffle (1) through a hinge (3), and a storage chamber provided at a lower end of a front panel surface of the lower baffle (4). The present disclosure has a simple structure and is convenient to use. Through the storage chamber, it is convenient for storing small items and sports items carried by a driver and passenger. By providing a partition in the storage chamber, the storage chamber is divided into a small object storage chamber and a golf ball storage chamber, so that the object can be classified and stored in a more orderly manner, rendering it easier for the driver and passenger to pick up the required objects.

Abstract: Provided are a chiral photosensitive molecular switch, a cholesteric liquid crystal composition, a display panel, and a preparation method thereof. The chiral photosensitive molecular switch has two stable states, and may switch, in response to light irradiation, from one stable state to the other stable state which may stably exist. The cholesteric liquid crystal composition includes: a chiral photosensitive molecular switch, a bent-core molecular mixture, a rod-like single crystal mixture and a non-photosensitive chiral dopant. The cholesteric liquid crystal composition may be used to prepare a cholesteric liquid crystal display panel, where the cholesteric liquid crystal has two stable states with different handedness and may reflect light of different handedness.

Abstract: An array substrate and a preparation method thereof, a display panel, and a display device. The array substrate includes a first base substrate; a group of thin film transistors; the thin film transistor including a gate electrode, a source electrode, and a drain electrode; a planarization layer, including first through holes in a one-to-one correspondence with the thin film transistors; the first through hole exposing some region of a surface of the drain electrode facing away from the first base substrate; a group of first electrodes; the first electrodes being connected to the drain electrodes through the first through holes; a group of first filling portions; a group of second electrodes, on a side of the first electrodes and a side of the first filling portions facing away from the first base substrate.

Abstract: The present disclosure provides a chip packaging method and a chip packaging structure. The chip packaging method includes: providing an encapsulated grain and a packaging substrate, the encapsulated grain including a first hybrid bonding structure; wherein the packaging substrate includes a front side and a back side opposite to each other; a second hybrid bonding structure is formed on the front side of the packaging substrate and a connection pin is formed on the back side of the packing substrate; the second hybrid bonding structure and the connection pin are electrically connected through a third connecting metal column penetrating the packaging substrate; and bonding together the first hybrid bonding structure of the encapsulated grain and the second hybrid bonding structure of the packaging substrate by medium-to-medium and metal-to-metal aligned bonding such that the encapsulated grain is bonded to the packaging substrate.

Abstract: The present disclosure presents a device and method for calculating a change in CO2 storage capacity before and after drying, wherein the method comprises the following steps: S1: acquire a target stratum core and prepare a formation water sample and a gaseous CO2 sample; S2: measure the content of the saturated condensate water of the gaseous CO2 sample under a target formation condition; S3: saturate formation water for the target stratum core; S4: perform displacement experiments until a water saturation of a core at the target stratum reaches saturation of irreducible water in an actual stratum, and record a core porosity ?0 at this time; S5: continue the displacement experiment until all the formation water in the core of the target stratum has evaporated, and record the core porosity ?1 at this time; S6: calculate a drying radius of reservoir and the change of CO2 storage capacity after reservoir drying.

Abstract: Embodiments of the disclosure provide an emergency cooling supply device for a data center. The device includes a liquid supply pipe and a liquid return pipe configured to be connected to a liquid-cooled cabinet in the data center, a dry cooler connected to the liquid return pipe and configured to cool, with air, a coolant received from the liquid-cooled cabinet via the liquid return pipe, a first fan arranged adjacent to the dry cooler and configured to drive air to flow through the dry cooler, a liquid storage tank connected to the dry cooler via a first valve and configured to store coolant and mix the coolant received from the dry cooler with the stored coolant, and a circulating pump having an inlet connected to the liquid storage tank via a second valve and an outlet connected to the liquid supply pipe.

Abstract: A split-gate memory array and a method for operating same. The array comprises: a memory array including a plurality of memory cell groups, each memory cell group comprising a first memory cell and a second memory cell, wherein the first memory cell comprises a first storage transistor and a first selection transistor which are formed by means of a split-gate structure, and the second memory cell comprises a second storage transistors and a second selection transistors which are formed by means of a split-gate structure; gate electrodes of the first selection transistors in the same row are connected, gate electrodes of the second selection transistors in the same row are connected, the selection transistors and the storage transistors use a split-gate structure, and the gate electrodes of adjacent selection transistors are connected together to reduce the number of external connection holes, thereby reducing the area of the memory cells.

Abstract: The invention refers to an apparatus for determining a performance measure. A providing unit (112) provides a digital representation of a target polymer indicative of characterising parameters of a polymer. A providing unit (113) provides a digital representation of application conditions indicative of application parameters defining the application conditions. A providing unit (114) provides a model based on the provided digital representation of the application conditions. The model is adapted to determine a performance measure of a polymer with respect to the application conditions. The model is a data driven model parameterised with respect to the application conditions such that it can determine a performance measure of a polymer based on the digital representation of the polymer. A determining unit (115) for determining the performance measure of the target polymer based on the provided determination model and the digital representation of the target polymer.

Abstract: Provided are a display substrate and a display device. In the display substrate, M first touch line groups are arranged in a second direction, and the N second touch line groups are arranged in a first direction; a first touch line group includes first touch lines connected in parallel, and a second touch line group includes second touch lines connected in parallel, the first touch lines are located in a first conductive layer, and the second touch lines are located in a second conductive layer. In an outermost one of the M first touch line groups, some first touch lines are located in a display region, and the others are located in a side region. The first touch lines are arranged in the same layer as and spaced apart from, or arranged in a different layer from a part of a third common signal line in the side region.

Abstract: A display substrate and a display device are provided. In the display substrate, a first touch line and a second touch line are at least located in a display region. The first touch line extends in a first direction, and the second touch line extends in a second direction. The first touch line is electrically connected to the first common signal line and the touch bonding terminal. The second touch line is electrically connected to the second common signal line and the touch bonding terminal. The first touch lines include M first touch line groups. The second touch lines include N second touch line groups. The first and second touch line groups are electrically connected to different sensing terminals of the touch bonding terminal, and different first touch line groups are electrically connected to different sensing terminals, while different second touch line groups are electrically connected to different sensing terminals.

Abstract: A display substrate, a display panel and a display device, including: a first base substrate, a first polarizer located on one side of the first base substrate, a data line located on a side, away from the first polarizer, of the first base substrate, and the extension direction of the data line is substantially perpendicular to the absorption axis of the first polarizer.