Abstract: A video coding method includes the following steps: performing a first optimization operation on a sub-coding block to select original pixels or reconstructed pixels of an adjacent block of the sub-coding block according to a base prediction mode to generate an intermediate prediction mode of the sub-coding block; performing a second optimization operation on the sub-coding block to determine a prediction mode according to the intermediate prediction mode, the original pixels of the sub-coding block, and the reconstructed pixels of the adjacent block; generating prediction information of the sub-coding block according to the original pixels of the sub-coding block, the reconstructed pixels of the adjacent block, and the prediction mode; generating encoding coefficients and reconstructed pixels of the sub-coding block according to the prediction information of the sub-coding block; and generating a bit stream according to the encoding coefficients and the prediction information.

Abstract: A method for cell selection is provided. The cell switching method may include the following steps. The UE may determine whether a serving cell is a platform cell or a tunnel cell. Then, the UE may determine whether to restrain from switching to a neighbor cell based on at least one parameter associated with the serving cell in response to the serving cell being the platform cell or the tunnel cell.

Abstract: The present disclosure provides a monitoring and warning device for rock burst in coal mine, which is configured for monitoring a rock mass in a drill hole, the monitoring and warning device for rock burst in coal mine includes: an integration rod, radial adjustment components, a plurality of bases, and a measuring instrument, the integration rod is extended into the drill hole; the radial adjustment components are provided on the integration rod, and have a plurality of radial adjustment ends; a plurality of bases are correspondingly provided in the radial adjustment ends, and the bases are further connected with attachment components through elastic components, and the attachment components are embedded with first strain gauges; the measuring instrument is rotatably provided in the integration rod, and is used to measure the distance between the measuring instrument and the attachment components.

Abstract: A metal complex with fluorine substitution is disclosed, which employs a series of new ligands containing fluorine-substituted structure can be used as a luminescent material in an emissive layer of an electroluminescent device. By using the metal complex can provide much longer device lifetime, better thermal stability, no blue-shifted illumination, and higher luminous efficiency. An electroluminescent device and compound formulation are also disclosed.

Abstract: A method to achieve variable properties of a component using a coating free press hardened steel comprises: transferring a blank of a coating free press hardened steel (CFPHS) material having base blank properties into a heating unit having multiple induction heating coils; heating the blank within the heating unit to create a modified blank having differing modified blank properties throughout the modified blank compared to base blank properties; moving the modified blank out of the heating unit into a die; and forming a shaped part by operation of the die creating a finished CFPHS part.

Abstract: A coal and gas outburst monitoring device includes the insertion and anchoring assembly, and the pump drainage and monitoring mechanism; the insertion and anchoring assembly is vertically inserted and distributed on the sidewall of surrounding rock of coal mine roadway, and the insertion and anchoring assembly can monitor the stress change data in the sidewall of surrounding rock in real time; the pump drainage and monitoring mechanism is erected within the coal mine roadway, and the pump drainage and monitoring mechanism can cooperate with the insertion and anchoring assembly to perform the gas pump drainage monitoring for the sidewall of surrounding rock of goaf, and to obtain the gas seepage monitoring data in the surface layer and the inner layer of sidewall of surrounding rock. Thus, comparing with the database mechanism, the accurate and advanced predictions for the gas outburst can be made.

Abstract: An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.

Abstract: A displaying base plate and a manufacturing method thereof, and a displaying device. The displaying base plate includes a substrate, and a first electrode layer disposed on one side of the substrate, wherein the first electrode layer includes a first electrode pattern; a first planarization layer disposed on one side of the first electrode layer that is away from the substrate, wherein the first planarization layer is provided with a through hole, and the through hole penetrates the first planarization layer, to expose the first electrode pattern; and a second electrode layer, a second planarization layer and a third electrode layer that are disposed in stack on one side of the first planarization layer that is away from the substrate, wherein the second electrode layer is disposed closer to the substrate, the second electrode layer is connected to the first electrode pattern and the third electrode layer.

Abstract: The present disclosure provides a monitoring and warning device for rock burst in coal mine, which is configured for monitoring a rock mass in a drill hole, the monitoring and warning device for rock burst in coal mine includes: an integration rod, radial adjustment components, a plurality of bases, and a measuring instrument, the integration rod is extended into the drill hole; the radial adjustment components are provided on the integration rod, and have a plurality of radial adjustment ends; a plurality of bases are correspondingly provided in the radial adjustment ends, and the bases are further connected with attachment components through elastic components, and the attachment components are embedded with first strain gauges; the measuring instrument is rotatably provided in the integration rod, and is used to measure the distance between the measuring instrument and the attachment components.

Abstract: An acoustic output device comprises a housing, a first loudspeaker and a second loudspeaker disposed in the housing. The first loudspeaker includes a first diaphragm. In the housing, a first front cavity and a first rear cavity are respectively disposed on a front side and a rear side of the first diaphragm, and the first front cavity and the first rear cavity are acoustically coupled with two hole portions disposed on the housing, respectively, to output a first sound wave and a second sound wave. The second loudspeaker includes a second diaphragm. In the housing, a second front cavity and a second rear cavity are respectively disposed on a front side and a rear side of the second diaphragm, and only one of the second front cavity and the second rear cavity is acoustically coupled with a hole portion disposed on the housing to output a third sound wave.

Abstract: One or more embodiments of the present disclosure provide an acoustic output device, comprising a housing; a first loudspeaker disposed in the housing, the first loudspeaker being acoustically coupled with a first hole portion and a second hole portion disposed on the housing, respectively, and the first loudspeaker being driven by a first electrical signal to output a first sound wave and a second sound wave having a phase difference through the first hole portion and the second hole portion, respectively; and a second loudspeaker disposed in the housing, the second loudspeaker being driven by a second electrical signal to output a third sound wave. In a target frequency range, the superposition of the first sound wave, the second sound wave, and the third sound wave generates a directional far-field radiation from the acoustic output device.

Abstract: A display substrate and a display apparatus are provided. The display substrate includes a base substrate; sub-pixels arranged in an array and on the base substrate; data line groups on the base substrate; each data line group includes data lines, each of which is connected to one column of sub-pixels; data selectors on the base substrate and connected to the data line groups in a one-to-one correspondence; data lines in a same data line group are connected to a same data selector; and data selection signal lines, wherein different data selection signal lines output different data selection signals; and different data lines connected to a same data selector correspond to different data selection signal lines, respectively. The display panel provided may effectively reduce the resistance on the data selection signal lines, thereby reducing the delay of the data selection signals and further improving the charging uniformity of sub-pixels.

Abstract: The present disclosure relates to a method, a device, and a computer program product for generating video. The method includes extracting a first text of a first language in an input video and generating a second text of a second language corresponding to the first text of the first language. The method further includes generating a gist frame of the input video based on the input video and the second text, where the gist frame indicates information associated with color configuration and object layout of the input video. In addition, the method further includes generating, based on the gist frame and the second text, an output video broadcasting the second text by means of the second language. The method of the present disclosure enhances the similarity of the output video and the input video, and expressions and actions of a narrator can be generated at a correct time point.

Abstract: Disclosed is a method for preparing a product for treating scald infection caused by Pseudomonas aeruginosa. The product includes a ferrous sulfate hydrogel, the scald is a deep second-degree scald or a third-degree scald, and a preparation process of the ferrous sulfate hydrogel includes: S1, obtaining a mixed solution by dissolving ferrous sulfate and vitamin C at a concentration ratio of 1:1 in sterile ultrapure water, heating the mixed solution to 50° C., and a concentration of the ferrous sulfate in the mixed solution being 2 mM, and S2, under a condition of heating, continuing to add sodium alginate powder whose mass constitutes 3.5% of a total mass of the mixed solution, stirring until the sodium alginate powder is dissolved and forming a stable colloid, and obtaining 2 mM of the ferrous sulfate hydrogel.

Abstract: A wire harness product clamping device includes a pair of cantilevers installed on a heat shrink machine and a plurality of wire harness fixtures that are different from one another and installed on the cantilevers to respectively clamp a plurality of wire harness products. The cantilevers are movable between a first position and a second position and rotatable between a use state and a storage state. The wire harness fixtures are outside the heat shrink machine to clamp the wire harness products when the cantilevers are in the use state and moved to the first position. A heat shrink tube on one of the wire harness products clamped by one of the wire harness fixtures is moved from outside of the heat shrink machine to inside of the heat shrink machine when the cantilevers are in the use state and moved from the first position to the second position.

Abstract: A crack self-healing functionally gradient material for ceramic cutting tools and a preparation method thereof. The material for ceramic cutting tools has a symmetrical gradient structure, and based on the percentage by mass, components of each layer include 50%-80% of Ti(C7,N3), 25%-5% of (W7,Ti3)C and 20%-0% of TiSi2; contents of components of layers that are symmetrical relative to a central layer are the same and a thickness is symmetrically distributed; a content of Ti(C7,N3) gradually increases from the surface layer to the central layer, contents of (W7,Ti3)C and TiSi2 gradually decrease by 5% from the surface layer to the central layer, and the contents of Ni and Mo gradually increase from the surface layer to the central layer.

Abstract: A method includes forming a dummy gate structure over a substrate; forming a source/drain structure over the substrate; replacing the dummy gate structure with a metal gate structure; forming a protection cap over the metal gate structure; forming a source/drain contact over the source/drain structure; performing a selective deposition process to form a first etch stop layer on the protection cap, in which the selective deposition process has a faster deposition rate on the protection cap than on the source/drain contact; depositing a second etch stop layer over the first etch stop layer the source/drain contact; etching the second etch stop layer to form an opening; and forming a via contact in the opening.

Abstract: The present disclosure may provide a sound-producing device comprising a diaphragm and a housing. The housing may include a first sound guide hole and a second sound guide hole. The diaphragm may be disposed in the housing. When a user wears the sound-producing device, a distance between the first sound guide hole and the ear canal opening may be smaller than a distance between the diaphragm and the ear canal opening, a range of an included angle between a connection line between the first sound guide hole and the second sound guide hole and a connection line between the center of mass of the diaphragm and the ear canal opening may be smaller than 45°, and a distance between the second sound guide hole and the ear canal opening may be greater than the distance between the diaphragm and the ear canal opening.

Abstract: The present disclosure provides an automatic driving test method. The method includes: acquiring test configuration information input by a user; generating test cases according to the test configuration information, and allocating the test cases to corresponding test types, wherein test types comprise a virtual simulation test, a whole vehicle in-loop test, a closed site test, and an open road test; and under each test type, testing a to be tested vehicle based on the corresponding test cases to obtain test results corresponding to each of the test type, and the test results comprise a simulation test result, a whole vehicle in-loop test result, a closed road test result, and an open road test result. Thus obtaining rich comprehensive test evaluation results makes the test results for autonomous vehicles more accurate.

Abstract: Functional component, forming method thereof and electronic device are provided. The functional component includes a packaging substrate and a connecting wire. The packaging substrate includes a through-hole wire-bonding area including a first insulating layer and a wire-bonding electrode sequentially formed on the substrate. The first insulating layer includes a first through hole, and the wire-bonding electrode covers the first through hole. In an area corresponding to the first through hole, the packaging substrate has wire-bonding bump electrodes on a side of the wire-bonding electrode away from the first insulating layer. The connecting wire includes a wire-bonding connection portion and a wire-bonding extension portion connected to the wire-bonding connection portion. The wire-bonding connection portion is fixedly connected to the wire-bonding electrode. The wire-bonding connection portion extends to cover at least a partial area of a side of at least one of the wire-bonding bump electrodes.