Abstract: A pixel structure of flat panel detection device, a flat panel detection device, and a camera system. The pixel structure of the flat panel detection device includes a photodiode configured to collect optical signals and convert the optical signals into electrical signals, the photodiode includes a positive terminal and a negative terminal, the negative terminal is connected to a bias voltage signal terminal; a signal amplification circuit, a signal input terminal of the signal amplification circuit is connected to the negative terminal of the photodiode, a signal output terminal of the signal amplification circuit is connected to a first node; a first switching transistor, a control electrode of the first switching transistor is connected to a scanning signal line, a first terminal of the first switching transistor is connected to a data signal line, and a second terminal of the first switching transistor is connected to the first node.

Abstract: The present disclosure provide a method for recognizing a space frequency block code (SFBC), including: obtaining a cross-correlation function of a reception signal, and obtaining a Fourier transformation of the cross-correlation function; obtaining data containing labels by labeling a sample containing a real part and an imaginary part of the Fourier transformation, and inputting the data containing labels into an initial CNN-LSTM network for training until convergence is reached, to obtain a final CNN-LSTM network; and obtaining unlabeled data to be recognized, and inputting the data to be recognized into the final CNN-LSTM network to obtain a SFBC recognition result.

Abstract: The present application discloses a payment information processing method, apparatus, device, and computer readable storage medium. The payment information processing method includes: obtaining an environment image collected by a mobile acquiring device, in response to an acquiring request sent by the mobile acquiring device; determining a payment environment confidence level of the mobile acquiring device according to the environment image, under a condition that the mobile acquiring device obtains payment card information; determining a payment information processing result according to the payment environment confidence level.

Abstract: The present application discloses a payment information processing method, apparatus, device, and computer readable storage medium. The payment information processing method includes: obtaining motion data of a mobile acquiring device, in response to an acquiring request sent by the mobile acquiring device; determining a motion feature of the mobile acquiring device according to the motion data, under a condition that the mobile acquiring device obtains payment card information; determining a payment information processing result according to the motion feature.

Abstract: An X-ray detecting panel and a method of operating the same, and an x-ray detecting device are provided. The X-ray detecting panel includes an array substrate which includes a plurality of gate lines and a plurality of signal lines intersecting with each other to divide the array substrate into a plurality of photosensitive cells, each of which comprises a thin film transistor, and the plurality of photosensitive cells comprises one or more first photosensitive cells and one or more second photosensitive cells, the thin film transistor of the first photosensitive cell is disposed at a first side of the first photosensitive cell, the thin film transistor of the second photosensitive cell is disposed at a second side of the second photosensitive cell, and the first side is opposite to the second side.

Abstract: A wearable Social Distance Reminder (SDR) device can signal that a preset distance between the device and an individual has been breached. The device can remind people to maintain a certain predetermined social distance to avoid transfer of airborne pathogens and minimize spread of diseases.

Abstract: A ray detector includes a base substrate including a plurality of pixel regions arranged in an array. Each pixel region includes a thin film transistor including a source and a drain, and a photoelectric sensor on the thin film transistor. The photoelectric sensor includes a first electrode and a second electrode spaced apart from each other, a dielectric layer on the first electrode and the second electrode and covering the first electrode and the second electrode, and a first semiconductor layer on the dielectric layer. The first electrode is electrically connected to the drain. A distance between a surface of the first electrode away from the base substrate and the base substrate is a first distance. A distance between a surface of the second electrode away from the base substrate and the base substrate is a second distance. The first distance is substantially equal to the second distance.

Abstract: A flat panel detector is provided, which includes a substrate and a plurality of photodiodes on the substrate. The flat panel detector further includes a first transparent conductive layer disposed on a side of the photodiodes away from the substrate. An orthographic projection of the first transparent conductive layer on the substrate at least partially overlaps the orthographic projection of each photodiode of the plurality of photodiodes on the substrate. The flat panel detector can mitigate or reduce the influence of external static electricity and improve the working stability.

Abstract: The present invention provides a resource file processing method based on a blockchain structure. The method includes a member node in a blockchain including at least one supervision node and at least one member node constructs a resource file registration request according to a user instruction, and sends the resource file registration request to one of the at least one supervision node. According to the resource file registration request from any member node, the at least one supervision node audits and registers a resource file indicated by the resource file registration request, and transmits the registration result back to the member node initiating the resource file registration request. The at least one member node performs an operation on a real physical resource associated with the registered resource file by performing data communication with another member node.

Abstract: A two-by-two array consists of four pixels. Each pixel comprises one light-sensing transistor and one reading transistor. Both the light sensing transistor and the reading transistor are formed above a same P-type semiconductor substrate, and have a composite dielectric gate structure. The substrates of the four reading transistors are connected to form a regular octagonal ring structure located in the center of the array. On four sides of the regular octagonal ring structure, four heavily-doped N+ regions are formed on the substrates not covered with the composite dielectric gate, of which every two regions are opposite to each other and form right angles, wherein two opposite heavily-doped N+ regions are connected to form a shared N+ source, and the other two are connected to form a shared N+ drain.

Abstract: A non-contact communication method and a communication device are presented. The communication device includes a trusted execution environment (TEE). A first security application and a second security application are provided in a security element of the communication device. The first security application and an application in the trusted execution environment are communicationally connected by means of a first communication channel. The second security application and a near-field communication (NFC) module provided in the communication device are communicationally connected by means of a second communication channel. The first security application and the second security application are communicationally connected by means of a security channel. Using the non-contact communication method and the communication device, a security channel may be established between NFC and a TEE, which may enable NFC non-contact card reading for a TEE application.

Abstract: An earthworm reactor comprises a main body frame and multilayered reactor box bodies located in the main body frame. A bottom plate is arranged at the bottom of each layer of the main body frame, and the reactor box body is movably arranged on the bottom plate of each layer; an aerator pipe and a filtrate collecting pipe are arranged in the reactor box body of each layer; an aerating air supply pipe connected to the aerator pipe of each layer and a filtrate centralizing pipe connected to the filtrate collecting pipe of each layer are separately arranged on one side of the main body frame; the aerating air supply pipe is connected to an external aerating device and the bottom of the filtrate centralizing pipe is connected to an external liquid storage tank.

Abstract: A detection circuit includes a photosensitive device, a first storage sub-circuit, a second storage sub-circuit group, and an output control sub-circuit. The photosensitive device is coupled to a device voltage terminal and an output node. The first storage sub-circuit is coupled to the output node and a first voltage terminal. The second storage sub-circuit group is coupled to the output node, a second voltage terminal group and a second control signal terminal group. The output control sub-circuit is coupled to a signal receiving terminal, a first control signal terminal, and the output node.

Abstract: A pixel structure of flat panel detection device, a flat panel detection device, and a camera system. The pixel structure of the flat panel detection device includes a photodiode configured to collect optical signals and convert the optical signals into electrical signals, the photodiode includes a positive terminal and a negative terminal, the negative terminal is connected to a bias voltage signal terminal; a signal amplification circuit, a signal input terminal of the signal amplification circuit is connected to the negative terminal of the photodiode, a signal output terminal of the signal amplification circuit is connected to a first node; a first switching transistor, a control electrode of the first switching transistor is connected to a scanning signal line, a first terminal of the first switching transistor is connected to a data signal line, and a second terminal of the first switching transistor is connected to the first node.

Abstract: A ray detector includes a base substrate including a plurality of pixel regions arranged in an array. Each pixel region includes a thin film transistor including a source and a drain, and a photoelectric sensor on the thin film transistor. The photoelectric sensor includes a first electrode and a second electrode spaced apart from each other, a dielectric layer on the first electrode and the second electrode and covering the first electrode and the second electrode, and a first semiconductor layer on the dielectric layer. The first electrode is electrically connected to the drain. A distance between a surface of the first electrode away from the base substrate and the base substrate is a first distance. A distance between a surface of the second electrode away from the base substrate and the base substrate is a second distance. The first distance is substantially equal to the second distance.

Abstract: A method for train suspension control by means of multiple air springs includes: receiving a vehicle load pressure; and controlling height adjustment valves according to the vehicle load pressure to adjust the pressure of a first air spring set, a second air spring set and/or a third air spring set. Three height adjustment valves are provided, and the three height adjustment valves form a triangular structure. Each of the first air spring set, the second air spring set and the third air spring set comprises a plurality of individual air springs, and all the individual air springs in each of the air spring sets are correspondingly connected to the same height adjustment valve. A system for train suspension control by means of multiple air springs and a train are further provided.

Abstract: A detection circuit includes a photosensitive device, a first storage sub-circuit, a second storage sub-circuit group, and an output control sub-circuit. The photosensitive device is coupled to a device voltage terminal and an output node. The first storage sub-circuit is coupled to the output node and a first voltage terminal. The second storage sub-circuit group is coupled to the output node, a second voltage terminal group and a second control signal terminal group. The output control sub-circuit is coupled to a signal receiving terminal, a first control signal terminal, and the output node.

Abstract: Disclosed is an antibody capable of binding to the interleukin 4 (IL-4) receptor (IL-4). Also disclosed are a nucleic acid sequence encoding the antibody, a vector including the nucleic acid sequence, and a host cell transformed or transfected with the vector. Provided are a method for producing the antibody, a medical use of the antibody, and a kit including the antibody.

Abstract: A method is provided to manage an item connected to an Internet of Things (IoT) platform via an object. The method may include receiving, on the IoT platform, a request for an action relating to the item from a user terminal. The method may include generating a first instruction for processing the action relating to the item in response to the request. The method may include providing, from the IoT platform, the first instruction to the object and/or the user terminal. The method may include receiving, on the IoT platform, feedback information regarding the item upon completion of the action relating to the item in accordance with the first instruction. The method may further include generating, based on the feedback information, a second instruction for triggering, based on the completion of the action, an operation mode of the object.

Abstract: The disclosure relates to a mutant of hemagglutinin protein of H3N2 subtype influenza virus and use thereof. In addition, the disclosure also relates to a pharmaceutical composition (e.g., a vaccine) comprising the mutant, a method for preparing the mutant, and a method of using the mutant for prevention and/or treatment of an infection of influenza virus and/or a disease (e.g., an influenza) caused by the infection.