Abstract: The embodiments of the present application provide a low-voltage power transmission system, a DCDC converter and a control method, a device and a medium, relating to the field of battery power. The control method includes: acquiring a charging signal; acquiring a vehicle start signal; acquiring an enabling signal; when each of the charging signal, the vehicle activating start signal, and the enabling signal is at a low level, and no communication message sent by a battery management system (BMS) is received, determining that a vehicle is in a power-off state and enters a sleep mode; when a duration of the sleep mode reaches a preset duration, performing self-awakening, and outputting, to the BMS, an awakening signal for awakening the BMS and making the BMS enter a working mode.

Abstract: A battery pack and an electric vehicle are provided. The battery pack includes a tray and a heating component. The heating component is arranged within the tray, and the heating component includes multiple heating sections. In the heating component of the battery pack, heating powers of the multiple heating sections are different, and the multiple heating sections are respectively configured to heat multiple regions within the tray to balance an ambient temperature within the tray.

Abstract: A battery housing includes: a tray including a first channel; an explosion-proof valve disposed on the tray, the first channel being in communication with the explosion-proof valve; at least one module transverse beam disposed in the tray and including an accommodating portion, at least a part of a bottom of the accommodating portion being depressed downward to form a groove, and an opening disposed at at least one end of the groove along a length direction of the module transverse beam; and a liquid cooling plate connected to an outside of a bottom of the module transverse beam, at least one connection channel being formed between the liquid cooling plate and the module transverse beam, and the opening of the at least one module transverse beam being in communication with the first channel through the connection channel.

Abstract: An array substrate including: a substrate; a data line on the base substrate and extending in a first direction; and a touch signal line on the base substrate, wherein an extending direction of the touch signal line is the same as an extending direction of the data line; the data line and the touch signal line are in different layers and insulated from each other, and an orthographic projection of the touch signal line on the base substrate at least partially overlaps an orthographic projection of the data line on the base substrate.

Abstract: The present application relates to the technical field of construction machinery, in particular to an excavator lower part length regulating system and an excavator. The excavator lower part length regulating system includes: a lower part walking beam; a caterpillar track, provided around the lower part walking beam; and a regulating assembly, adapted to regulating the length of the lower part walking beam and the height of the caterpillar track along a longitudinal direction. The regulating assembly has an extension state in which the lower part walking beam is driven to be elongated and the caterpillar track is driven to descend along a longitudinal direction, and a contraction state in which the lower part walking beam is driven to be shortened and the caterpillar track is driven to ascend along the longitudinal direction.

Abstract: This application provides a method, an apparatus, a system for detecting battery thermal runaway, and a battery management unit. The method includes: obtaining an output signal of an air pressure sensor located in a battery pack, and obtaining parameter information of the battery pack; determining state information of the air pressure sensor based on the output signal of the air pressure sensor; and generating an alarm signal indicating occurrence of thermal runaway in the battery pack based on the state information of the air pressure sensor and the parameter information of the battery pack. In this application, the thermal runaway detection for the battery pack may be implemented by considering parameter information of both the air pressure sensor and the battery pack, improving the reliability of the thermal runaway detection for the battery pack, reducing the probability of false positives and false negatives, and improving driving safety.

Abstract: Techniques for generating a dataset from a knowledge graph are described. An exemplary method includes receiving a request to generate a dataset from a knowledge graph to be stored in the storage; generating a dataset comprising a plurality of mention-concept pairs from the knowledge graph according to the request based one or more of a synonym-based and graph-based evaluation of the knowledge graph and a custom ontology for the knowledge graph; and storing the generated dataset in the storage.

Abstract: The present disclosure provides a self-similar regenerative amplification method and an apparatus. The apparatus includes a broadband seed source, a spectrum shaping broader, a self-similar regenerative amplifier and a pulse compressor disposed in order of a light path. The spectrum shaping broader includes a time domain broader and a spectrum shaper. The time domain broader is configured to broaden the seed pulses, and fine-tune a width of the seed pulse. The spectrum shaper is configured to perform spectrum shaping on the broadened pulses to obtain saddle chirped pulses. The pulse regenerative amplification component includes a gain crystal and a nonlinear crystal. The self-similar regenerative amplifier receives the saddle chirped pulses, performs multiple stepwise amplifications and multiple nonlinear spectrum broadenings back and forth on the saddle chirped pulses, and output high-energy chirped pulses to the pulse compressor.

Abstract: A cable modeling method and system, and an electronic device are provided. The method includes: acquiring preset cable attributes of a cable and a preset laying scenario of the cable; determining a start point, an end point and a path point of the cable according to the preset laying scenario; inputting the preset attributes of the cable, the start point, the end point, and the path point into an Autodesk Revit software to model the cable, thereby to obtain a cable simulation model; and laying the cable according to the cable simulation model. The method first determines a start point, an end point, and the path point of the cable through the preset laying scenario, and then inputs the preset attributes, the start point, the end point, and the path point into the Autodesk Revit software to model the cable, so as to obtain a cable simulation model.

Abstract: The present disclosure provides an array substrate and a display device. The array substrate includes: a plurality of gate lines extending in a first direction, and a plurality of data lines extending in a second direction and crossing the gate lines to define a plurality of sub-pixels; a plurality of touch signal lines extending in the second direction and arranged in light shielding regions of the sub-pixels; a plurality of touch electrodes insulated from each other; and a plurality of metal pattern units corresponding to the sub-pixels respectively and arranged in the light shielding region of each sub-pixel. The metal pattern unit includes a first metal strip arranged on at least one side of the data line and extending in the second direction.

Abstract: A display substrate, a display device and a mask are provided. The display substrate includes a base substrate and a pixel electrode at a side of the base substrate; the pixel electrode includes at least two strip electrodes, a slit is provided between adjacent strip electrodes of the at least two strip electrodes, the slit at least includes a first corner end located on at least one end of the slit, the first corner end includes a first edge and a second edge oppositely disposed, and a first transition edge connecting an end of the first edge with an end of the second edge, the first transition edge has an arc shape protruding away from the first corner end; a first included angle is formed between the first and second edges, and the first included angle is greater than or equal to 0° and less than or equal to 13°.

Abstract: An inflatable folding tunnel reinforcement structure and a construction method thereof are provided. The inflatable folding tunnel reinforcement structure includes an inflation port, an airbag, a water blocking net, a steel plate, a scissor folding mechanism, a vertical support plate, an arc-shaped support plate, drainage channels, an upper support rod, a lower support rod, a locking pin, a threaded steel rod, a rolling connection pin, and an induction motor, where the upper support rod and the lower support rod are unfolded in opposite directions to a preset position through the steel rod; and the drainage channels are configured to perform water guidance and resistance for a leakage-proofing purpose. The construction method includes: preparation before construction, device fixation, on-site construction, structural inspection, and site cleaning.

Abstract: An array substrate includes: a substrate; a sub-pixel, wherein the sub-pixel is located on the substrate, and the sub-pixel includes a pixel electrode and a common electrode, an orthographic projection of the pixel electrode on the substrate at least partially overlap an orthographic projection of an opening area of the sub-pixel on the substrate, and an orthographic projection of the common electrode on the substrate at least partially overlaps the orthographic projection of the opening area of the sub-pixel on the substrate; and a touch signal line, wherein the touch signal line is located on the substrate, and an orthographic projection of the touch signal line on the substrate partially overlaps the orthographic projection of the opening area of the sub-pixel on the substrate; the touch signal line, the common electrode and the pixel electrode are stacked in sequence along a direction away from the substrate.

Abstract: An array substrate has a display area and a bonding region. The display area includes a distal region, a proximal region, and a middle region therebetween. The array substrate includes a base, a common electrode located in the display area, a connecting lead disposed outside the distal region, a conductive frame at least partially surrounding the display area, and at least one first common signal line, at least one second common signal line and at least one third common signal line. The first common signal line, the second common signal line and the third common signal line are respectively coupled to portions of the common electrode located in the distal region, the proximal region and the middle region. The first common signal line is coupled to the connecting lead. The connecting lead and the portion of the common electrode located in the distal region are coupled to the conductive frame.

Abstract: A method may include obtaining a pretrained image encoder and a training sample comprising a training image and a training text string corresponding to the training image. The method may also include initializing a text encoder in an untrained state, determining, using the pretrained image encoder and based on the training image, a first latent representation of the training image, and determining, using the text encoder and based on the training text string, a second latent representation of the training text string. The method may further include determining a loss value based on the first latent representation and the second latent representation, updating, based on the loss value, one or more parameters of the text encoder while holding fixed parameters of the pretrained image encoder, and outputting the text encoder in a trained state.

Abstract: A display substrate, a method for manufacturing the same, and a display device are provided.

Abstract: The present disclosure provides methods for identifying cells in an image. An apparatus for identifying cells in an image is also provided by the present disclosure. Further provided herein is a non-transitory computer-readable storage medium for performing the methods disclosed herein. Methods of diagnosing a disease or disorder and of treating a disease or disorder in a subject using the methods disclosed are also provided herein.

Abstract: The present invention relates to a compound of formula (I) capable of inhibiting plasmin activity and having blood coagulation and hemostasis activity, and a pharmaceutically acceptable salt, hydrate, isomer, prodrug and mixture thereof, wherein R1 to R3 are as defined in the description.

Abstract: Systems and methods are described for merging customer profiles, such as may be implemented by a computer-implemented contact center service. In some aspects, a subset of profiles may be determined that satisfy merging criteria, where individual profiles include a plurality of data fields. At least one value in a first data field that conflicts between at least two profiles may be identified. Next a merged value may be selected for the first data field based on data deduplication criteria, where the data deduplication criteria includes at least one indicator of accuracy of values of the plurality of data fields. As a result of a determination that at least the subset of profiles of the group of profiles meet the merging criteria, at least the subset of profiles may be combined into a combined profile using the merged value.

Abstract: The present application relates to a method and an apparatus for manufacturing an electrode assembly of a secondary battery. Embodiments of the present application propose a method for manufacturing an electrode assembly of a secondary battery, the method comprising joining a positive electrode plate and a first separator to form a positive electrode composite plate body; joining a negative electrode plate and a second separator to form a negative electrode composite plate body; winding the positive electrode composite plate body and the negative electrode composite plate body together to form an electrode assembly, wherein the positive electrode plate and the negative electrode plate are disposed to isolate from each other by the first separator and the second separator.