Abstract: This application provides a signal processing method. The method is applied to the field of brain-computer interface (BCI) technologies, and includes: obtaining a first signal, where the first signal is a signal acquired from a brain tissue; obtaining a downstream feedback signal; and processing the first signal based on the feedback signal. In the method, the first signal acquired from the brain tissue is processed based on the feedback signal, instead of directly inputting the first signal into a decoding apparatus for decoding, thereby ensuring long-term stability of signal encoding and decoding, avoiding deterioration or even failure, in long-term stability of signal encoding and decoding, that is caused due to signal non-stationarity, and meeting a service requirement.

Abstract: The present disclosure provides a magnesium-aluminum dual-injection die-casting machine and a magnesium-aluminum dual-injection system. The magnesium-aluminum dual-injection die-casting machine includes a die-casting machine body, an injection module, and a melting module, where the injection module is disposed on a side of the die-casting machine body and is disposed parallel to the die-casting machine body; and the melting module is cooperatively connected to the injection module and is disposed perpendicular to the die-casting machine body. The magnesium-aluminum dual-injection system employs the magnesium-aluminum dual-injection die-casting machine.

Abstract: This application discloses a magnesium alloy module, including a worktable, and a melting barrel, a conveying mechanism, and an injection module mounted on the worktable. The conveying mechanism cooperates with the melting barrel, and the injection module cooperates with the conveying mechanism. During magnesium alloy die casting, the magnesium alloy module is adapted to perform two processes: in a first process, the conveying mechanism is adapted to convey and fill magnesium particles into the melting barrel, thereby forming magnesium melt under the melting action of the melting barrel; and in a second process, the injection module is adapted to cooperate with the conveying mechanism to inject the magnesium melt from a feed head of the melting barrel into a die casting machine body; and this application further discloses a dual-module die casting machine.

Abstract: A liquid discharge head includes: a nozzle plate having multiple nozzle holes from which a liquid is dischargeable, the multiple nozzle holes arrayed in a nozzle array direction; a housing bonded to the nozzle plate by a diffusion bonding to support the nozzle plate; multiple connecting portions: disposed on one of the nozzle plate or the housing; contacting the nozzle plate and the housing to bond the nozzle plate and the housing; arrayed in the nozzle array direction; and having a channel in each of the multiple connecting portions, the channel communicating with the nozzle holes; and a gap formed between one of the multiple connecting portions and another of the multiple connecting portions adjacent to the one of the multiple connecting portions.

Abstract: Provided are a query processing method based on a large language model, an electronic device, and a storage medium. The query processing method based on a large language model includes acquiring a to-be-processed target query; generating a prompt based on a to-be-used target data model, target format information of a specified data format, and the target query; inputting the prompt into the large language model to obtain a target parsing result of the specified data format outputted by the large language model; and modifying the target parsing result based on the target data model.

Abstract: The present invention provides use of rape pollen in promoting high-yield production of monacolin K by Monascus purpureus and a method for promoting high-yield production of monacolin K, and relates to the technical field of culture of Monascus purpureus. The method includes adding 0.6%-4.8% of rape pollen into a fermentation culture medium for fermentation culture of Monascus purpureus. The present invention overcomes deficiencies of the prior art. By adding the rape pollen into the culture medium of Monascus purpureus, the content of monacolin K can be significantly increased after culture for 15 days, and particularly, when an addition amount of the rape pollen is 2.4%, the content of monacolin K is increased by 3.50 times on day 15, reaching 1,524 mg/L.

Abstract: A waste textile opener includes a housing, a cotton feeding plate, a cotton feeding roller, a safety cover plate, an opening beater, an output apparatus, an adjustable grid, and a control system. The output apparatus includes a raw material channel, a fan, a carding wire plate, a negative pressure cover, an air return pipe, and a diffusion box. The raw material channel communicates with an air outlet port of the diffusion box, the bottom of an outlet end of the raw material channel communicates with the top of the negative pressure cover, and the negative pressure cover successively communicates with the fan and the diffusion box. The control system controls an opener set formed by at least two openers, each opener having a modular structure, and the outlet end of the raw material channel in a preceding opener configured for connecting to a next opener.

Abstract: A display panel and a display apparatus are provided. The display panel may include a first substrate, a second substrate, a light modulation structure, a first electrode, a second electrode, a first sub-pixel and a second sub-pixel. The light modulation structure may be arranged between the first substrate and the second substrate. A plurality of first grooves may be defined on a side close to the first substrate, and a plurality of second grooves may be defined on a side close to the second substrate. The first grooves and second grooves may be alternately defined. The first electrode may be arranged on a side of the light modulation structure close to the first substrate. The second electrode may be arranged on the side of the light modulation structure close to the second substrate.

Abstract: In an information processing method applied to a brain-computer system including a control module, the control module receives a first signal sent by a signal collection module, where the first signal is obtained by the signal collection module by converting a first neural signal of a brain based on a first configuration parameter; and when the first signal is in an abnormal state, the control module sends first information, where the first information indicates the signal collection module to adjust the first configuration parameter to a second configuration parameter.

Abstract: According to the embodiments of the present disclosure, a method, an apparatus, a device, a storage medium and a program product for object determination are provided. The method includes: recalling, from a set of objects, a plurality of candidate objects for a target promoter, the promoter being capable of publishing a guidance content for guiding a user to acquire a corresponding object; determining, based on a first feature of the target promoter and second features of the plurality of candidate objects, priority levels of the plurality of candidate objects; and determining, based on the priority levels, a target object for the target promoter from the plurality of candidate objects.

Abstract: The present disclosure provides a pharmaceutical composition comprising isavuconazole, a first nonionic surfactant, a stabilizer, a degradation inhibitor, and a diluent, wherein the first nonionic surfactant comprises copovidone and poloxamer, a method for preparing the pharmaceutical composition, and a method for treating, ameliorating or preventing related diseases by administering the pharmaceutical composition.

Abstract: Provided in the present application are a wireless communication method and a communication device. The method comprises: a first device sending first indication information to a second device, wherein the second device sends data to a target user by means of multi-AP joint transmission, and the first indication information is used for indicating a scrambling initial value of a first PPDU for multi-AP joint transmission.

Abstract: A revolving cathode tool and method for co-rotating electrochemical machining of an inner wall of an aero-engine casing are provided, and relates to the technical field of electrochemical machining. The co-rotating electrochemical machining revolving cathode tool comprises a power supply, a cathode shaft, an anode workpiece and a flexible cathode assembly. The cathode shaft is electrically connected with a cathode of the power supply. The anode workpiece is electrically connected with an anode of the power supply. One end of the cathode shaft is connected with the flexible cathode assembly. The problem that a non-array complex structure of the inner wall of the aero-engine casing cannot be machined through counter-rotating electrochemical machining is fundamentally solved. The diameter of the cathode tool is 1/n of the diameter of the anode workpiece.

Abstract: The present disclosure discloses a tool wear monitoring method and system under variable operational conditions based on the decoupling of cutting force component. Spindle vibration data of a machine tool is acquired, a data set with labeled tool name information is established according to the machine internal data, a cutting force acting on the tool is estimated in real time based on a vibration signal, and the actual cutting force increased due to tool wear and the maximum allowable theoretical cutting force increased due to tool wear under the surface roughness constraint are calculated. The present disclosure enables tool wear monitoring under variable loads to determine in real time whether the excessive wear occurs based on the part accuracy constraint, and can maximize the service life of the tool.

Abstract: The embodiments of the present disclosure provide a data retransmission method and an access point device, capable of achieving downlink data retransmission in a multi-AP cooperation scenario, which can reduce the number of downlink data retransmissions and transmission delay, thereby improving user experience. The data retransmission method includes: transmitting, by a first access point device, first request information when the first access point device fails to transmit a first data frame to a station device, the first request information requesting a second access point device to retransmit the first data frame, and the first access point device and the second access point device belonging to one operation set.

Abstract: Provided are a wireless communication method, and a communication device. The method comprises: a first device sending first indication information to a second device, wherein the first device is a device for determining a beamforming feedback angle, and the first indication information is used for indicating a first quantization bit number of the beamforming feedback angle.

Abstract: Detecting imbalances in data traffic for distributed data centers is described. A distributed data center system can obtain a set of data samples corresponding to respective data traffic at data centers, the respective data traffic based on data associated with an application. The distributed data center system can generate subsets of weight-transformed data samples associated with respective intervals of time. The distributed data center system can generate respective indices associated with the subsets of weight-transformed data samples. The indices can be representative of a data traffic balance at the data centers. The distributed data center system can transmit a message indicating an index failing to satisfy a threshold value, the index being associated with at least one subset of weight-transformed data samples.

Abstract: Packages and methods of assembly are described in which barriers are utilized during overmolding to improve volumetric efficiency. In one embodiment, a barrier includes multiple variable height components located on an interior of the barrier, where the barrier prevents the variable height components from being overmolded during the encapsulation process. In one embodiment, a barrier includes a camera module mounted on an image sensor located on an interior of the barrier, where the barrier prevents the camera module and image sensor from being overmolded during the encapsulation process. In an embodiment, a barrier is mounted on a secondary tier with the secondary tier mounted on a primary tier, where the barrier prevents multiple connector components located on an interior of the barrier from being overmolded during the encapsulation process.