Abstract: A low-carbon, high-purity tantalum pentoxide powder has a carbon content of no greater than 15 ppm. A preparation method for the powder includes: (1) adding a fluotantalic acid (H2TaF7) solution into a reaction kettle, controlling the temperature of the reaction kettle at 30-60° C., adding a precipitator until the pH of the reaction solution is 8-10, then stopping introducing ammonia, and aging to obtain a tantalum hydroxide slurry; (2) filtering and washing the slurry obtained in step (1), and then carrying out solid-liquid separation to obtain a tantalum hydroxide filter cake; (3) drying the filter cake obtained in step (2) to obtain white tantalum hydroxide powder; (4) calcining the tantalum hydroxide powder obtained in step (3), crushing and screening the calcined sample to obtain tantalum pentoxide powder; and (5) subjecting the tantalum pentoxide powder obtained in step (4) to heat treatment at a temperature of 1000-1500° C. to obtain the powder.

Abstract: A detection substrate including a substrate and a plurality of detection units disposed on a side of the substrate, each detection unit including at least an inorganic transistor, an organic transistor, and a photoelectric sensor element, the organic transistor including an organic semiconductor part, in a direction perpendicular to a plane of the substrate, a film layer where the organic semiconductor part is located being located on the side of the film layer where the inorganic transistor is located away from the substrate, the film layer where the organic semiconductor part is located being located on the side of a film layer where the photoelectric sensor element is located away from the substrate, the organic transistor of the detection unit being connected to a sensing electrode, the sensing electrode being located on the side of the film layer where the inorganic transistor is located away from the substrate.

Abstract: A takeoff and landing platform, a UAV, a takeoff and landing system, a storage device and a takeoff and landing control method are provided. The takeoff and landing platform includes: a bracket, one end of the bracket is fixed on a base, and another end thereof extends in a direction away from the base, and the bracket is provided with a vertical guide rail. Multiple UAVs may be vertically stacked on the bracket along the guide rail and take off from the bracket. Hence, the manpower investment and site investment are reduced for multiple UAVs to perform collaborative operations. It can not only reduce the cost of multiple UAV collaborative operations, but also improve the efficiency of multiple UAV collaborative operations.

Abstract: A method for determining a consistency coefficient of a power-law cement grout includes: determining a water-cement ratio of the power-law cement grout; according to engineering practice requirements, determining a time required to determine the consistency coefficient of the power-law cement grout; and obtaining the consistency coefficient of the power-law cement grout. The method is accurate and reliable, requires less calculation, etc.; and has very high practical value and popularization value in environmental protection and ecological restoration.

Abstract: A data retransmission method is provided herein. The method includes sending a data frame to an electronic device and receiving an acknowledgement frame from the electronic device within a transmission opportunity duration, where the acknowledgement frame includes first acknowledgement information; and when the first acknowledgement information indicates that at least a part of data in the data frame needs to be retransmitted and further indicates a retransmission period required to complete the retransmission, retransmitting information related to the at least the part of the data to the electronic device in the retransmission period.

Abstract: Provided is a pixel circuit. The pixel circuit includes a semiconductor layer on a side of a base substrate, wherein the semiconductor layer is configured to form an active layer of each of various transistors in the pixel circuit; a first metal layer on the side of the base substrate, wherein the first metal layer is configured to form a gate electrode of the transistor and a first capacitive electrode of a storage capacitor in the pixel circuit; and a second metal layer on the side of the base substrate, wherein the second metal layer is configured to form a second capacitive electrode of the storage capacitor.

Abstract: The present disclosure relates to a distribution cable assembly that has various features to enable flexible configurations to accommodate various data center configurations.

Abstract: Disclosed is a display panel including a base substrate. The base substrate includes a display region, a wiring lead-out region and a signal access region that are located on a side of the display region. The wiring lead-out region is located between the display region and the signal access region. The wiring lead-out region includes: at least one first power supply line, at least one first touch signal line, and at least one first display signal line that are disposed on the base substrate. The first touch signal line is located on a side of the first power supply line away from the base substrate, and the first display signal line is located on a side of the first power supply line close to the base substrate.

Abstract: A method, system, and computer program product for circuit design automation. The method identifies a set of circuit components for a proposed circuit design. A subset of circuit components is selected to generate an initial topology for the proposed circuit design. A set of subsequent topologies are iteratively generated by a heuristic search algorithm based on the subset of circuit components and the initial topology. A set of valid topologies of the set of subsequent topologies are determined by a circuit simulator based on the subset of circuit components and a set of connections within the set of subsequent topologies. The method generates the proposed circuit design from the set of valid topologies.

Abstract: A touch substrate, a display panel, and an electronic device are provided. The touch substrate includes a base substrate, and first touch electrodes and second touch electrodes on the base substrate; the first touch electrodes are arranged in a first direction, with each first touch electrode extending in a second direction; the second touch electrodes are arranged in the second direction, with each second touch electrode extending in the first direction, the first touch electrode and the second touch electrode are spaced apart and insulated from each other; in a direction perpendicular to the base substrate, the first touch electrodes overlap with the second touch electrodes to form overlapping regions; and in the overlapping region, any first edge extending in the first direction in the conductive grid of the firm touch electrode does not overlap with the first edge in the conductive grid of the second touch electrode.

Abstract: A controller obtains data stored in one or more data structures generated based on a defined task to be performed for a selected event. The data includes a set of constraints for the defined task. One or more task solutions generated for the defined task using the provided data are obtained. A determination is made as to whether the one or more task solutions include a task solution that satisfies one or more defined criteria. Based on determining that the one or more task solutions do not include the task solution that satisfies the one or more defined criteria, the set of constraints is automatically adjusted to provide an adjusted set of constraints. The adjusted set of constraints is to be automatically provided to a solution generator to be used to obtain the task solution that satisfies the one or more defined criteria.

Abstract: A touch structure, a touch display substrate, and a touch display device. The touch structure includes a touch region and a peripheral region surrounding the touch region, wherein the touch region includes a first edge and a second edge opposite to each other, and a third edge and a fourth edge opposite to each other. The touch structure further includes a first touch electrode and a second touch electrode, which are mutually crossed with and insulated from each other, and located in the touch region. The touch structure further includes a first touch trace and a second touch trace, located in the peripheral region. The first touch trace is electrically connected with the first touch electrode at the first edge and the second edge, respectively; the second touch trace is electrically connected with the second touch electrode at the third edge and the fourth edge, respectively.

Abstract: A display panel, comprising a first insulating structural layer, a first crack detection line, a second insulating structural layer and a second crack detection line which are sequentially arranged on a substrate, wherein the first crack detection line and the second crack detection line are both located in a peripheral area and are arranged around a display area, one end of the first crack detection line is configured to receive a detection signal, and the other end of the first crack detection line is configured to output a first output signal, and one end of the second crack detection line is configured to receive a detection signal and the other end of the second crack detection line is configured to output a second output signal.

Abstract: Provided are an array substrate and a display device. The array substrate includes: a base substrate including a display area and a peripheral area including a first peripheral area and a corner area; plurality of sub-pixels, data lines, and power lines at the display area; a plurality of control signal lines, data signal input lines, a multiplexing circuit and a first power bus which are at the first peripheral area and the corner area; a plurality of control signal connecting lines electrically connected to the control signal lines, at least partially overlapping with the data signal input lines, and located between the first power bus and the display area; and a plurality of control signal input lines electrically connected to the control signal connecting lines, at least partially overlapping with the first power bus, and on one side of the control signal connecting lines away from the display area.

Abstract: Provided are a display panel, a preparation method thereof, and a display device. The display panel includes a display substrate and a touch panel. The touch panel includes multiple touch electrodes. At least one of the touch electrodes includes multiple grid patterns enclosed by metal wires. At least one of the grid patterns includes a first edge, second edge, third edge and fourth edge that form a ring. The first edge and the third edge extend in a second direction. The second edge and the fourth edge extend in a first direction. A shape of the grid pattern includes a first curved ring, a second curved ring, a third curved ring, or a fourth curved ring. A first edge and third edge of the first curved ring are curves curved towards a direction opposite to the first direction.

Abstract: A system and a method for detecting a moving target based on multi-frame point clouds. The system comprises a voxel feature extraction module; a transformer module used for matching and fusing the feature tensor sequence, fusing a first feature tensor with a second feature tensor, fusing the fused result with a third feature tensor, fusing the fused result with a fourth feature tensor, and repeating the fusing steps with a next feature tensor to obtain a final fused feature tensor; and an identification module used for extracting features from the final fused feature tensor and outputting detection information of a target. The method comprises the following steps: S1, constructing each system module; S2, training the model by the data in a training set; S3, predicting by the trained model.

Abstract: The present disclosure provides a display panel and a display device. The display panel includes: a display substrate, an integrated circuit chip and a circuit board. The display substrate includes a substrate, a first bonding portion, a second bonding portion, and a first connection line, wherein: the first bonding portion includes a plurality of first pins including a first detection pin and a second detection pin; the second bonding portion include a plurality of second pins including a first connection pin electrically connected to the first detection pin and a second connection pin electrically connected to the second detection pin; the first connection line connects the first connection pin to the second connection pin, and includes a first crack detection line; the integrated circuit chip is bonded to the first bonding portion; and the circuit board is bonded to the second bonding portion.

Abstract: Embodiments of this disclosure disclose a display panel and a display device including the display panel. The display panel includes: a base substrate, the base substrate including a display area and a non-display area around the display area; a touch electrode layer on the base substrate, the touch electrode layer being within the display area of the base substrate; and a plurality of signal lines electrically connected with the touch electrode layer, the plurality of signal lines being distributed within a first area of the non-display area. The display panel further includes at least one outer dummy trace within a second area of the non-display area, the second area is between the first area and an outer border of the non-display area, and the at least one outer dummy trace and the plurality of signal lines are separated from each other.

Abstract: Embodiments of this disclosure disclose a display panel and a display device including the display panel. The display panel includes a base substrate, the base substrate including a display area and a non-display area around the display area, a touch electrode layer on the base substrate, the touch electrode layer being within the display area of the base substrate, and a plurality of signal lines electrically connected with the touch electrode layer, the plurality of signal lines being distributed within a first area of the non-display area adjacent to the display area. The display panel further includes a plurality of outer dummy traces within a second area of the non-display area, the second area is between the first area and an outer border of the non-display area, and the plurality of outer dummy traces and the plurality of signal lines are separated from each other.

Abstract: Provided are a method and a system for transient electromagnetic-induced polarization field separation and multi-parameter information extraction. The method includes the following steps: obtaining electromagnetic data influenced by an induced polarization effect; performing a separating treatment of an induced polarization field and an electromagnetic field on the electromagnetic data influenced by the induced polarization effect to obtain a pure electromagnetic response field and a pure induced polarization response field; based on the pure electromagnetic response field and the pure induced polarization response field, respectively performing a multi-parameter information inversion to complete an extraction of geoelectric parameters. This system includes a data obtaining module, a field separation module and a parameter inversion module.