Abstract: Disclosed are a coordinated control method for urban rail transit passenger flow, an electronic device, and a storage medium. The method includes: predicting passenger flow in peak hours of urban rail lines using a simulation deduction function in a rail simulation system, including station entry ID, station exit ID, station entry time period, and passenger number data; obtaining passenger flow of passengers arriving at stations s and preparing to board during time periods t by dividing according to the different time periods t and the stations s; counting passenger flow in each direction of historical passenger flow, and calculating a proportion of the passenger flow in each direction of the historical passenger flow; constructing a mixed integer programming model of multi-station passenger flow coordinated control; and obtaining an optimal station entry passenger flow scheme by solving the mixed integer programming model of multi-station passenger flow coordinated control.

Abstract: Disclosed is a method of predicting a holiday expressway travel traffic volume based on influence of weather factors.

Abstract: Embodiments of the present disclosure provide a method, an Internet of Things (IoT) system, and a medium for pipeline repair based on smart gas. The method is executed based on a government supervision and management platform of the IoT system for pipeline repair based on smart gas. The method includes: obtaining pipeline repair equipment information and pipeline data to be repaired; determining a pipeline repair sequence based on the pipeline repair equipment information and the pipeline data to be repaired; based on the repair commands, performing at least one of the following operations: receiving feedback information; determining an updated collection frequency for a pressure regulating equipment and a gas metering device deployed on a target gas pipeline based on the feedback information; and generating a repair update command based on the pipeline data to be repaired, a pressure regulating parameter, a gas supply parameter, and a monitoring data.

Abstract: Techniques for optimizing and deploying deep neural network (CNN) machine learning models for inference using static analysis are described. A method includes obtaining a deep neural network (DNN) machine learning (ML) model, generating an intermediate representation for the ML model, the intermediate representation including one or more nodes corresponding to one or more operators utilized by the ML model, identifying, for at least one node of the intermediate representation, an optimized schedule for at least one operator corresponding to the at least one node using a static analysis that is based on a hardware-specific cost model, generating an optimized intermediate representation using the optimized schedule that is optimized for execution on a hardware platform, and generating code corresponding to the ML model based at least in part on the optimized intermediate representation, wherein the code is specific to the hardware platform.

Abstract: Aspects of the disclosure are directed to a method for use on a blockchain network that includes an accounting node subnetwork having accounting nodes configured to record a data block onto a blockchain and a service node having service nodes configured to verify data blocks recorded by the accounting nodes onto the blockchain. The method can include generating a signature based on transaction information to be included in a data block to be added onto the blockchain by using a key specific to the accounting node. The method can further include adding the transaction information and the generated signature to the data block and adding the data block onto the blockchain, and transmitting the signature to the service nodes in the service node subnetwork, so that the service nodes perform signature verification on the signature based on the key specific to the accounting node.

Abstract: An anti-oxidation dipping treatment method for a graphite sealing element for a thermal power generation unit, and an anti-oxidation production line. The anti-oxidation dipping treatment method for a graphite sealing element for a thermal power generation unit comprises the following steps: S1, placing a graphite sheet into a soaking device for soaking; S2, conveying the soaked graphite sheet into a drying and curing device for drying and curing; S3, stacking the multiple dried and cured graphite sheets together, and subjecting same to compression molding to form a layered graphite body; and S4, stamping the layered graphite body to form a finished graphite sealing element with a desired appearance.

Abstract: According to an example aspect of the present invention, there is provided isolated bioactive mitochondria coated with a layer of Metal Organic Framework (MOF) and a method for intracellular delivery and release of said coated bioactive mitochondria in cells. The invention also provides a method for maintaining bioactivity and for increasing storage time of bioactive mitochondria by using MOF encapsulation.

Abstract: A map update data processing apparatus and method are provided. The method includes: obtaining first information from at least one vehicle terminal in a time window; determining, based on the first information and second information in a map, first change information of the second information and precision information and/or confidence information of the first change information, wherein the first change information indicates a difference between the first information and the second information; and finally, sending the first change information of the second information and the precision information and/or the confidence information to a first vehicle terminal.

Abstract: There is provided a phase shifter having a phase shift region and a peripheral region, and including a first substrate, a second substrate and a dielectric layer between such two substrates; the first substrate includes a first dielectric substrate, a first electrode and a first auxiliary structure; the second substrate includes a second dielectric substrate, a second electrode and a second auxiliary structure; the phase shift region includes overlapping regions; the first electrode and the second electrode are located in the phase shift region, and have orthographic projections, on the first dielectric substrate, overlapped at least partially in the overlapping regions; the first auxiliary structure is in the peripheral region and on a side, close to the dielectric layer, of the first dielectric substrate; the second auxiliary structure is in the peripheral region and on a side, close to the dielectric layer, of the second dielectric substrate.

Abstract: A nitride-based semiconductor device includes a first nitride-based semiconductor layer, a second nitride-based semiconductor layer, a third nitride-based semiconductor layer, a passivation layer, a gate insulator layer, and a gate electrode. The first nitride-based semiconductor layer includes at least two doped barrier regions defining an aperture between the doped barrier regions. The second nitride-based semiconductor layer is disposed over first nitride-based semiconductor layer. The third nitride-based semiconductor layer is disposed on the second nitride-based semiconductor layer and has a bandgap higher than a bandgap of the second nitride-based semiconductor layer. The passivation layer is disposed over the third nitride-based semiconductor layer, in which a vertical projection of the passivation layer on the first nitride-based semiconductor layer is spaced apart from the aperture. The gate insulator layer is disposed over the third nitride-based semiconductor layer.

Abstract: A method of evaluating an ability of a large language model (LLM) to generate an accurate hypothesis model (HM) of a linear programming word problem (LPWP) is provided. An attributed bipartite graph of the HM is transformed into an attributed bipartite graph of the ground truth model of the LPWP. The number of transformation steps required for the transformation effectively measures the ability of the LLM to generate an accurate HM. The use of attributed bipartite graphs provide invariance in the order to LPWP variables and constraints. Corresponding apparatus and systems are also provided.

Abstract: An automatic working system that includes a self-moving device and a positioning device. The self-moving device includes a movement module, a task execution module. The positioning device is configured to detect a current position of the self-moving device. The automatic working system includes: a storage unit, configured to store a working area map, and: a map confirmation procedure, which including: providing a drive circuit instruction to move along a working area boundary, and receiving a confirmation signal from a user to complete the map confirmation procedure; and a working procedure including providing a drive circuit instruction to move within a working area defined by the map and execute the working task; and a control module, configured to monitor an output of the positioning device to execute the map confirmation procedure and execute the working procedure after the map confirmation procedure is completed.

Abstract: Provided is a display substrate. The display substrate includes: a substrate body; and a plurality of support pillars disposed on the substrate body, wherein the support pillar includes a first surface in contact with the substrate body, and a second surface opposite to the first surface; wherein in any direction parallel to the substrate body, a ratio of a width of the first surface to a width of the second surface is greater than or equal to 0.8, and is less than or equal to 1.2.

Abstract: The present invention relates to the field of coal mine concealed fire zone detection, in particular to a coal spontaneous combustion downhole detection system and method based on a self-potential method. The coal spontaneous combustion downhole detection system comprises a self-potential detection apparatus and a self-potential processing apparatus; the self-potential detection apparatus comprises measuring electrodes, a reference electrode and metal anchor rods; the measuring electrodes are arranged on a top plate of a goaf roadway, are fixed to the metal anchor rods, and are in wireless connection with the reference electrode through the metal anchor rods; the self-potential processing apparatus comprises a data processing sensor for processing potential data and an imaging sensor for converting data into images; and the measuring electrodes and the reference electrode are in wireless connection with the data processing sensor.

Abstract: A fiber optic distribution box includes a box unit, a protective shield unit pivotally mounted on the box unit, and a plurality of mounting units detachably installed to the box unit for accommodating a plurality of adapters. The box unit includes a box body defining an interior space and a plurality of base brackets disposed on the box body and accommodated in the interior space. Each mounting unit includes a flanged seat and a tubular portion extending obliquely upwardly from the flanged seat.

Abstract: A power device includes a substrate, a drift layer disposed on the substrate, a terminal region and an active region disposed in the drift layer, an electrode layer disposed on the active region, a Schottky contact layer disposed between the electrode layer and the active region, a passivation layer including a first portion that is disposed on the drift layer, and a second portion that is connected to the first portion and that has an end surface distal from the drift layer. The end surface of the second portion is flush with a top surface of the electrode layer distal from the drift layer. Another two power devices are also provided.

Abstract: Disclosed is a method and an IoT system for maintaining a smart gas filling station based on safety supervision. The method comprises: obtaining historical gas filling data; determining, based on the historical gas filling data, a predicted usage feature; obtaining historical operation data; determining a historical operation feature based on the historical operation data; determining an operation and maintenance parameter based on the predicted usage feature and the historical operation feature, and generating a maintenance instruction; obtaining a count of reference vehicles; and generating a regulation instruction in response to determining that the count of the reference vehicles is greater than a reference threshold.

Abstract: Methods, apparatus and systems are described that relate to uncooled long-wave infrared (LWIR) photodetectors capable of operating at room temperature and having a simple structure that can be manufactured at low cost. One example LWIR photodetector includes a layer of amorphous silicon (a-Si) disposed on a silicon substrate and a layer of amorphous germanium (a-Ge) disposed on the a-Si layer, wherein the a-Ge layer is operable to absorb infrared light and provide photoconductive gain, and the a-Si layer is operable to produce carrier multiplication via cycling excitation process.

Abstract: Provided are a recombinant hyaluronan and proteoglycan link protein 1 (HAPLN1), and a composition for preventing or treating pulmonary diseases, the composition comprising at least one selected from the group consisting of HAPLN1 (hyaluronan and proteoglycan link protein 1) protein, a gene coding for the HAPLN1 protein, and an effective agent for promoting the expression or activating the functions of HAPLN1 protein or gene as an active ingredient. The recombinant HAPLN1 according to the present disclosure may have superior effects of improving alveolar damage caused by aging or elastin reduction, and thus may effectively prevent or treat pulmonary diseases, such as chronic bronchitis, asthma, emphysema, and chronic obstructive pulmonary disease.