Abstract: The present disclosure provides a method for improving a biological nitrogen removal effect of low-temperature sewage, and relates to the technical field of sewage treatment. In the present disclosure, the method is implemented by adding an exogenous signal molecule. The exogenous signal molecule can intervene in a quorum sensing (QS) phenomenon among microorganisms, and can also reduce mixed liquor suspended solids (MLSS), reduce an amount of remaining sludge, and reduce a cost of sludge treatment while effectively improving the low-temperature nitrogen removal effect.

Abstract: The present disclosure relates to a user equipment, a centralized unit device, a wireless communication method and a storage medium. The user equipment includes processing circuitry, wherein the processing circuitry is configured to receive, from a centralized unit (CU) device, selection information related to a selection made by a distributed unit (DU) device; and determine, according to the selection information, a DU device for providing a service for the user equipment. By using the user equipment, the centralized unit device, the wireless communication method and the storage medium of the present disclosure, the user equipment can quickly and accurately find the most suitable DU device with the help of the CU device.

Abstract: Disclosed are a high-entropy alloy (HEA) coating and a preparation method and use thereof. Laser cladding is conducted with an HEA powder to obtain the HEA coating, where the HEA is a FeCoCrNiAl0.5Ti0.5 alloy, and the HEA includes the following chemical components in atomic percentage: Al: 10.01% to 12.30%, Co: 18.1% to 22.5%, Cr: 18.05% to 20.12%, Fe: 18.77% to 21.02%, Ni: 19.21% to 20.99%, and Ti: 8.43% to 11.5%. The HEA material with high hardness and wear resistance provided by the present disclosure is suitable for laser cladding of a surface of a precision mold, an offshore component, or a drilling rod. A powder is prepared from the above alloy components and then prepared into a corresponding HEA coating with high strength, high hardness, and prominent wear resistance through laser cladding. The material has prominent weldability and is a special nickel-based HEA material suitable for laser additive manufacturing.

Abstract: A prediction model training method includes the following steps. A first model is trained according to first electrocardiograms, wherein the first model includes a feature extraction layer, and the feature extraction layer is configured to extract features corresponding to an electrocardiogram. First feature information corresponding to second electrocardiograms is extracted according to the second electrocardiograms and the feature extraction layer of the first model. A second model is trained according to the first feature information, gender information corresponding to the second electrocardiograms, and age information corresponding to the second electrocardiograms.

Abstract: This application provides a service sharing method and system, and an electronic device. The method includes: A first device may display a chat interface with a first contact, where the chat interface includes an input box for a chat message. If it is detected that a user inputs a preset symbol into the input box, the first device displays a first device list. If it is detected that the user selects a second device from the first device list, the first device displays a service list provided by the second device, where the service list includes one or more services provided by the second device. If it is detected that the user selects a first service from the service list, the first device sends a first chat message in the chat interface, where the first chat message includes first service content corresponding to the first service selected by the user.

Abstract: Provided herein are methods and compositions to classify DLBCL subtypes using quantitative RT-PCR.

Abstract: A method for acquiring MR signal, an MR scanning system, a computer program product, and a non-transitory computer-readable storage medium. The method includes: obtaining the number of slice groups of SMS excitations of a target object, each of the slice groups including multiple slices excited simultaneously by a multi-band RF pulse; adjusting a preset excitation order for a target slice group in response to a determination that the number of the slice groups is an even number to obtain a target excitation order, spatially adjacent slices being not temporally adjacent; performing the multi-band RF pulse on the target object based on the target excitation order; and acquiring data of the SMS excitations of the target object to obtain the MR signals of each slice of the target object, the MR signals of each slice being used for MRI of the target object.

Abstract: Embodiments of the present disclosure disclose a content sharing method, apparatus, and system. The method is applied to a first terminal. The first terminal generates a first picture in response to detecting a first operation; sends a first message to a second terminal via a near field connection, where the first message comprises a thumbnail of the first picture to indicate the second terminal to display a first prompt that comprises the thumbnail of the first picture; receives, from the second terminal, a second message corresponding to a second operation associated with the first prompt; and sends the first picture to the second terminal in response to the second message.

Abstract: A circuit includes a plurality of anti-fuse cells coupled to a first selection circuit, a plurality of magnetic random-access memory (MRAM) cells coupled to a second selection circuit, an amplifier including a first input terminal coupled to each of the first and second selection circuits, an analog-to-digital converter (ADC) including input terminals coupled to output terminals of the amplifier, and a comparator including a first input port coupled to an output port of the ADC. The amplifier, ADC, and comparator are configured to output data bits from the comparator responsive to current levels received from the first selection circuit at the first input terminal of the amplifier and first voltage levels received from the second selection circuit at the first input terminal of the amplifier.

Abstract: A touch detecting method includes determining a kind of a detected indicator based on a first area on a touch surface, obtaining a plurality of second capacitances formed by emphasizing a peak in comparison with a plurality of first capacitances by processing the plurality of first capacitances by a first filter in a case where the determining determines that the detected indicator is a stylus, deriving coordinates indicating a position of the stylus on the touch surface based on a second area on the touch surface, and deriving coordinates indicating a position of a finger on the touch surface based on a third area on the touch surface.

Abstract: This application discloses a photovoltaic station and a power coordination method for a photovoltaic station. Sample inverters are disposed in arrays requiring power adjustment in the photovoltaic station. Real-time active power of sample inverters in each array is obtained. Then, an available active capacity and an available reactive capacity of the array and available active capacities and available reactive capacities of all the arrays requiring power adjustment are obtained based on the real-time active power of the sample inverters. Finally, active power and reactive power of the photovoltaic station are separately allocated to the N arrays based on the available active capacities and the available reactive capacities respectively corresponding to the N arrays.

Abstract: A method includes: a first electronic device displaying a first interface, and sending first information to a second electronic device, where the first information includes one or more interface elements on the first interface and tag information of the interface elements; and the second electronic device displaying a second interface based on the tag information of the one or more interface elements on the first interface, where the second interface includes a first display window and a second display window, at least some interface elements of the one or more interface elements on the first interface are displayed in the first display window, the second display window displays a display interface associated with a first interface element, and the at least some interface elements include the first interface element.

Abstract: A method for configuring performance measurement indication information and a related device. The method includes: a control node determines performance measurement indication information and sends a first advertisement packet in the communication network based on the BGP, where the first advertisement packet carries the performance measurement indication information, so that a plurality of forwarding nodes configure the performance measurement indication information on the plurality of forwarding nodes. In this way, when a data flow on which performance measurement is to be performed is transmitted between a plurality of different ASs, each forwarding node in the different ASs may obtain the performance measurement indication information from the first advertisement packet.

Abstract: A method includes providing a detector disposed above a semiconductor structure; identifying a portion of the semiconductor structure at a temperature substantially greater than a predetermined threshold by the detector, rotating the stage; and deriving a position of the portion of the semiconductor structure based upon the rotation of the stage.

Abstract: Provided are an electronic device for wireless communication, a wireless communication method, and a storage medium. The electronic device for wireless communication may comprise a processing circuit. The processing circuit may be configured to interact with a network side device to perform joint channel estimation or joint beam scanning executed in cooperation with other terminal devices in a terminal device group, wherein the terminal devices in the terminal device group have similar channel characteristics. According to at least one aspect of the embodiments of the present disclosure, by means of the similarity of the channel characteristics of the terminal devices in the terminal device group, these terminal devices execute joint channel estimation and/or beam scanning in cooperation with each other rather than perform channel estimation or beam scanning independently, thereby facilitating the reduction of signaling overhead, power consumption and/or time.

Abstract: A flexible listings search system can receive and return results for flexible listing searches. For example, the system can perform micro-flexible searches (e.g., plus or minus a few days) or super flexible searches (e.g., a time span in one or more months), using listing arrays that can be rapidly accessed to efficiently identify and return results. The search system can further perform flexible destination searches for different categories of accommodations for display in a viewport (e.g., map bounding box). The system can further perform fuzzy searches to identify and return broader results for flexible queries.

Abstract: In an example, a first electronic device establishes a connection to a second electronic device. The second electronic device projects first projection data to the first electronic device; and when a distance between a third electronic device and the second electronic device is less than or equal to a preset distance, the second electronic device sends notification information to the third electronic device, where the notification information indicates that the second electronic device is performing screen projection. The third electronic device sends second projection data to the second electronic device in response to receiving the notification information. In response to receiving the second projection data, the second electronic device projects the first projection data and the second projection data to the first electronic device based on orientation information between the second electronic device and the third electronic device.

Abstract: A semiconductor device includes a source/drain feature over a semiconductor substrate, channel layers over the semiconductor substrate and connected to the source/drain feature, a gate portion between vertically adjacent channel layers, and an inner spacer between the source/drain feature and the gate portion and between adjacent channel layers. The semiconductor device further includes an air gap between the inner spacer and the source/drain feature.

Abstract: Disclosed are a GM type cryogenic refrigerator rotary valve and a preparation method therefor. The GM type cryogenic refrigerator rotary valve comprises an aluminum alloy rotating valve and an alumina ceramic membrane. A valve body of the aluminum alloy rotating valve is provided with a first surface for arranging a working boss and a second surface opposite to the first surface; and a high-pressure hole and a low-pressure groove are both provided in the working boss, and a vent hole is provided in the first surface; the high-pressure hole and the vent hole both penetrate the valve body, and an air chamber is formed on the second surface. The alumina ceramic membrane is plated on surface of the aluminum alloy rotating valve. The preparation method comprises: plating an alumina ceramic membrane on surface of an aluminum alloy rotating valve by means of a micro-arc oxidation process.

Abstract: A display substrate includes a first base, touch signal lines and touch units. The touch signal lines are disposed on a side of the first base, and lengths of at least two touch signal lines decrease in sequence. The touch units are disposed on a side of the touch signal lines away from the first base, and a touch unit is electrically connected to a touch signal line. Resistances of at least two touch units increase in sequence, and the at least two touch units in an increase order of the resistances in sequence are electrically connected to the at least two touch signal lines in a decrease order of the lengths in sequence, respectively. The touch units each include a touch electrode, and at least one of the at least two touch units further includes an auxiliary electrode stacked with and electrically connected to a touch electrode.