Abstract: Disclosed are a control method and apparatus for a network node, and a computer-readable storage medium. The method may include receiving a signaling sent by a base station, where the signaling is indicative of at least one of, an operating mode or a phase state of the network node; and regulating at least one of, the operating mode or the phase state of the network node according to the signaling.

Abstract: Provided is a simulation and optimization design method for an EMU obstacle removal snowplow based on multi-physical field coupling, the method includes collecting a snowfall amount and a snow accumulation density as snow environmental parameters of a target line; establishing a dynamic soft-sphere model of snow particles based on a Hertz-Mindlin with JKR cohesion contact model; simulating a wall snow accretion process using a discrete phase model and verifying simulation accuracy; constructing a parametric snowplow model, introducing shape parameters to correct a running resistance coefficient, evaluating snow removal performance, and selecting an optimal geometric parameter combination; integrating a train nose to form a whole vehicle model, correcting a snow removal resistance formula under multi-body coupling, and generating a selection recommendation of the snowplow; simulating different snow depths and running velocities, establishing an association model, and outputting a maximum safe vehicle velocity

Abstract: The present disclosure provides a lightweight spar cap with a concave structure for a wind turbine blade and a manufacturing method thereof, a wind turbine blade and a manufacturing method thereof. The lightweight spar cap is groove-shaped as a whole, and includes supporting portions located on two wings of the lightweight spar cap and an intermediate connecting portion connecting the two supporting portions. The manufacturing method of the lightweight spar cap includes laying a reinforcing body of the intermediate connecting portion and a supporting material of the supporting portion, and performing resin infusion. By comprehensively considering multiple factors, the present disclosure reduces the weight of the wind turbine blade, improves the material utilization of the wind turbine blade, and realizes a lightweight wind turbine blade.

Abstract: An emitter includes a bottom distributed Bragg reflector (DBR) mirror characterized by a first reflectance curve that defines a first optical stop-band having a first center wavelength substantially aligned with an emission wavelength; a top DBR mirror arranged characterized by a second reflectance curve that defines a second optical stop-band having a second center wavelength substantially aligned with the emission wavelength; an active region configured to generate laser light at the emission wavelength; and a detuned DBR arranged between the bottom DBR mirror and the active region or between the top DBR mirror and the active region. The bottom DBR mirror, the top DBR mirror, the detuned DBR, and the active region define an optical cavity of the emitter. The detuned DBR is configured to increase an effective cavity length of the optical cavity.

Abstract: An apparatus comprises a fiber input, the fiber input comprising a plurality of input fiber cores receiving a plurality of input optical signals. The apparatus also comprises an optical signal manipulation device that is one of a fiber mode shuffler, a fiber coupler, a power splitter, or a 90-degree optical hybrid. The optical signal manipulation device comprises an input aperture held in spaced relation to the fiber input, an output aperture, and a plurality of metasurfaces that manipulate phase profiles of the plurality optical signals to generate a plurality of output optical signals having a different spatial arrangement than the input optical signal. A fiber output is held in spaced relation to the output aperture such that fiber cores of the fiber output receive the plurality of output optical signals.

Abstract: The present invention discloses a construction method using a 3D printer and a framework member manufacturing apparatus applied to the method. It is characterized by using a construction 3D printer, a print head with an extrusion nozzle moves along three axes according to a 3D design file, extruding material to form an inner framework member; Stacking a predetermined number of the inner framework members to form an inner framework module, thereby establishing a modular inner framework; Connecting multiple modular inner frameworks in parallel to form an internal structure constituting sidewalls and a ceiling; and covering an external structure onto the exterior of the internal structure and integrating them. Accordingly, this enables the rapid and robust construction of amorphous buildings with complex curves (such as linear, conical, etc.). It enhances durability, significantly reduces manufacturing costs, and achieves the effect of producing buildings with sophisticated shapes.

Abstract: A ground wire spacer structure of a connector, including two groups of connector monoblocks that are symmetrical and spliced, wherein any group of the connector monoblocks include a housing provided with: a plurality of groups of elastic pieces, wherein one end of the elastic piece is connected to a female socket of the connector, and the other end of the elastic piece is connected to a wire group of the connector; a plurality of metal spacers distributed between two adjacent groups of the elastic pieces and used to separate the elastic pieces; and a conductive sheet mounted on the housing, wherein the conductive sheet is abutted against the plurality of spacers, the conductive sheet is connected to a ground wire in the wire group, and the metal spacers and the conductive sheet form a plurality of independent spaces for accommodating the elastic pieces respectively.

Abstract: A rod linkage lock with hanging member, comprising a housing, a handle, and a lug; wherein one end of the handle is mounted in a handle groove of the housing and an other end thereof is a swinging end that can be engaged into the handle groove; wherein the lug is confined in the handle groove and movable between a lockable first position and a second position, the lug is provided with a pushing member; in the lockable first position, a hanging end of the lug can pass through a hole of the handle; when the lug is moved from the lockable first position to the second position, the pushing member pushes the swinging end to protrude out of the handle groove, when the handle is engaged into the handle groove, the handle drives the lug to move from the second position to the lockable first position.

Abstract: Provided are a pharmaceutical composition of a kappa opioid receptor agonist, a preparation method therefor, and use thereof. The pharmaceutical composition comprises a compound represented by formula (I), a stereoisomer thereof, a metabolite thereof, or a pharmaceutically acceptable salt thereof; and an optional osmotic pressure regulator, adjusted to pH 3.0-5.0 with hydrochloric acid. The pharmaceutical composition is good in stability, has a preparation process suitable for industrial production with a simple formula, and is compatible with a clinical administration route.

Abstract: The present disclosure relates to the field of frequency control technologies of power grid systems and in particular to a platform and method for power grid frequency regulation with participation of large-scale energy storage based on MADDPG. Firstly, based on a scene of power grid frequency regulation with participation of large-scale energy storage, a control platform architecture for power grid frequency regulation with participation of large-scale energy storage based on MADDPG is designed. Then, based on the multiple agents deep deterministic policy gradient algorithm, under the drive of environmental interaction data, training and learning are performed to obtain optimal control multiple agents for power grid frequency regulation with participation of energy storage. Finally, by using the optimal control multiple agents, control on the output power of the thermal power unit and the charge and discharge of the large-scale energy storage is performed for participation of power grid frequency regulation.

Abstract: A touch detection circuit, a touch sensing chip and an electronic device are disclosed. The touch detection circuit includes: a charge/discharge circuit, a 1st-order N-bit ??ADC comprising an adder, an integrator, an N-bit ADC and an N-bit DAC, the adder comprising two input terminals coupled respectively to an output terminal of the charge/discharge circuit and an output terminal of the N-bit DAC, the N-bit DAC comprising an input terminal coupled to an output terminal of the N-bit ADC, wherein the integrator is configured to integrate net incoming charge that the integrator receives; the N-bit ADC is configured to quantize an output of the integrator into an N-bit digital signal; the N-bit DAC is configured to provide subtractive reference charge according to the instruction of the N-bit digital signal; and the adder is configured to derive the net incoming charge by subtracting the subtractive reference charge from the sense charge.

Abstract: This application provides a test apparatus and a battery production line. The test apparatus includes a fixing mechanism and a plurality of test probe mechanisms. The test probe mechanisms are slidably connected to the fixing mechanism side by side along a first direction. In the test apparatus provided in embodiments of this application, the fixing mechanism is provided with a plurality of test probe mechanisms, and the test probe mechanisms can slide along the first direction relative to the fixing mechanism. In this way, distances between the test probe mechanisms can be adaptively adjusted according to the dimensions of to-be-tested battery cells, that is, the distances can quickly respond and adapt to changes in dimensions of incoming battery cells, so that the test efficiency can be significantly improved.

Abstract: A server system, a configuration method, a CPU, a control module, and a non-volatile readable storage medium are provided. The server system includes: a plurality of CPUs, each CPU being provided with at least one bus interface; at least one data transmission bus, each CPU being connected to at least one data transmission bus through a corresponding bus interface; a plurality of extended memories; and a compute express link switch (CXL Switch), the CXL Switch being connected to each CPU through a first-type interface and connected to each of the plurality of extended memories through a second-type interface; and the CXL Switch is configured to connect a data path between a target extended memory and a target CPU under an indication of a connection signal, so as to allocate the target extended memory to the target CPU.

Abstract: The disclosure provides a separation device for steel cord cores of the conveyor belt, relates to conveyor belt steel cord core separation technology and solves the problems of high labor intensity and long time consumption when separating steel cord cores of a conveyor belt joint. The separation device comprises a mount, cutting mechanism and a conveying mechanism. The cutting mechanism is connected to the mount and is provided with knives, configured to separate steel cord cores of a joint site of a conveyor belt and arranged along the width direction of the conveyor belt. The dimension of the knife along the width direction of the conveyor belt is greater than or equal to the width of the conveyor belt. The conveying mechanism is fixedly connected to the mount and configured to move the conveyor belt joint site along the knife. The separation device is configured to separate steel cord cores of a conveyor belt joint site.

Abstract: The present application discloses a display panel. A thickening layer includes a first portion. An orthographic projection of a first backplate on a plane of a bonding substrate is a first projection. An orthographic projection of a circuit board on the plane of the bonding substrate is a second projection. A terminal portion includes a first region and a second region. The first region is an overlapping region of the first projection and the second projection. The first portion is disposed in the second region and extends from a junction of the first region and the second region to a side away from the first region.

Abstract: The utility model discloses a small-sized connector convenient for dismounting and mounting, the connector being inserted and received in a female socket of a PCB board, comprising: a connector housing inserted and received in the female socket; two elastic clamping plates, wherein the two elastic clamping plates are symmetrically mounted on both sides of the connector housing, first ends of the two elastic clamping plates are each provided with a clamping hole, and the female socket is provided with a clamping boss clamped with the clamping hole; and a pull strap, wherein both ends of the pull strap are respectively connected to second ends of the two elastic clamping plates, and the pull strap is used to pull the second ends of the two elastic clamping plates to separate the clamping holes at the first ends of the two elastic clamping plates from the clamping bosses of the female socket.

Abstract: Embodiments of the present disclosure provide methods and systems for processing a medical image. The method may include obtaining a first image; determining a second image by optimizing the first image; and obtaining a third image by inputting the second image and K-space dataset determined based on the second image into a fidelity model, wherein the fidelity model includes a trained machine learning model.

Abstract: The present utility model discloses a connector for preventing signal interference, comprising a plurality of groups of wires and spacers for separating two adjacent groups of the wires, wherein the wires comprise signal wires and ground wires, the ground wires are connected on both sides of the signal wires, and a wire shielding layer is sleeved between the signal wires and the ground wires; a wire clamp is mounted on the spacer, a plurality of bosses are arranged on the spacer, the wire clamp is provided with a plurality of staggered holes matched with the bosses and signal wire holes matched with the signal wires; and the wire clamp and the bosses are snap-fitted via the staggered holes, and the wire shielding layer is connected to the signal wire holes.

Abstract: A reflective waveguide includes a substrate and a plurality of semi-transparent louver mirrors disposed within the substrate. The reflective waveguide further includes a coating disposed on at least a portion of the substrate and aligned with one or more regions of the substrate without the semi-transparent louver mirrors. The coating has a light transmission characteristic matching a light transmission characteristic of the semi-transparent louver mirrors so as to reduce contrast between one or more regions of the substrate containing the semi-transparent louver mirrors and the one or more regions of the substrate without the semi-transparent louver mirrors. The coating can be disposed at one or more regions of at least one external surface of the substrate. Alternatively, the substrate can include a first workpiece joined with a second workpiece, and the coating is disposed at one or more regions of an interface between the first workpiece and the second workpiece.

Abstract: A communication apparatus, a communication method, an electronic device, and a storage medium are provided. The communication apparatus includes: an antenna module including N antenna units for transmitting and receiving electromagnetic signals; a signal comparison module coupled to the antenna module, and configured to: detect received signal strengths of respective antenna units among the N antenna units, and select M target antenna units with top M strongest received signal strengths from the N antenna units based on the received signal strengths of the respective antenna units among the N antenna units; and a signal switching module coupled to the signal comparison module and the antenna module, respectively, and configured to: receive information output by the signal comparison module for indicating the M target antenna units, and select the M target antenna units to transmit an electromagnetic signal based on the information for indicating the M target antenna units.