Abstract: The present disclosure provides methods for processing a service request in a network comprising a set of Network Function (NF) nodes, and corresponding NF nodes. The method performed at a first NF node includes transmitting (S710) a request for the service to a Service Communication Proxy (SCP), the request comprising at least an indication indicating a required Application Program Interface (API) version for the service, wherein the requires API version is other than an API version included in a Resource Uniform Resource Identifier (URI) in the request. The present disclosure further discloses a corresponding method implemented at an SCP. The present disclosure further provides a corresponding computer readable medium.

Abstract: A solar cell is provided, including: a substrate; a passivation layer formed over a surface of the substrate; fingers penetrating the passivation layer to be electrically connected to the substrate and including first and second fingers alternatingly arranged; connection electrodes each in electrical contact with end portions of at least two adjacent first fingers on a same side and includes one of a sectional structure and a curved wave-like structure. The sectional structure includes at least a first connection section and a second connection section connected to each other, where the first connection section is connected to an end portion of a respective finger of the at least two adjacent first fingers, the first connection section and the respective finger has an included angle that is not equal to 180°, and the first connection section and the second connection section has an included angle that is not equal to 180°.

Abstract: A method for manufacturing a solar cell, a method for manufacturing a monocrystalline silicon wafer and a photovoltaic module. The method for manufacturing a monocrystalline silicon wafer includes: providing a monocrystalline silicon rod; squaring the monocrystalline silicon rod to form a quasi-square silicon rod with quasi-square cross-section having an arc, a length of the arc being not less than 15 mm; slicing the quasi-square silicon rod to form at least one quasi-square silicon wafer having the arc. The method for manufacturing at least one solar cell includes: using the method described above to obtain a quasi-square silicon wafer having an arc; forming a first solar cell by processing the quasi-square silicon wafer; scribing the first solar cell to obtain a square-shaped sub-solar cell and at least one strip-shaped sub-solar cell. The above methods improve the utilization rate of the monocrystalline silicon rod and reduce production cost.

Abstract: There is provided a method for handling messages in a network. The method is performed by a first network function (NF) node in the network. Transmission of a first message is initiated (202) towards a second NF node in the network in response to an event that signals first information is to be managed by a third NF node in the network. The first message comprises the first information and an indication of whether the third N node is to be an N node that supports testing in the network. The first message comprises the indication for the third NF node to take into account when managing the first information.

Abstract: Embodiments of the present disclosure relate to a solar cell and a photovoltaic module. The solar cell includes a bottom cell, a recombination layer, and a top cell stacked in a first direction. The bottom cell includes at least one first electrode, a first semiconductor conductive layer, a substrate, and a second semiconductor conductive layer stacked in the first direction. The recombination layer includes a dielectric layer and a first transparent conductive layer stacked in the first direction, the second semiconductor conductive layer has a first surface facing towards the top cell, and the dielectric layer is formed on at least a portion of the first surface. In this way, the photoelectric conversion efficiency of the solar cell can be at least improved.

Abstract: Embodiments of the disclosure relate to a solar cell and a photovoltaic module, where the solar cell includes a bottom cell, a recombination layer, and a top cell which are stacked in sequence in a first direction. The bottom cell includes a first semiconductor conductive layer, a substrate, and a second semiconductor conductive layer that are stacked in sequence in the first direction, and the second semiconductor conductive layer is disposed between the substrate and the top cell. The recombination layer is disposed between the second semiconductor conductive layer and the top cell and includes transparent conductive layers and at least one metal layer that are alternatingly stacked in the first direction, a top layer and a bottom layer of the recombination layer are both transparent conductive layers.

Abstract: Provided is a solar cell. The solar cell may include a semiconductor layer and a passivation film stack provided on a back surface of the semiconductor layer. The passivation film stack may include a first passivation layer provided on the back surface of the semiconductor layer and including a silicon-rich layer with a silicon atom concentration ranging from 5×1021/cm3 to 2.5×1022/cm3; a second passivation layer provided on a surface of the first passivation layer and including an oxygen-rich and nitrogen-rich layer; and a third passivation layer provided on a surface of the second passivation layer and including at least one silicon nitride film with a gradient-varied refractive index. A first refractive index of the first passivation layer may be greater than a second refractive index of the second passivation layer and smaller than a third refractive index of the third passivation layer.

Abstract: In some embodiments, there is provided an apparatus for reflecting at least one millimeter wave beam, the apparatus includes a metasurface configured with a plurality of metal-backed dielectric cuboids, wherein each of the metal-backed dielectric cuboids includes a dielectric material having a first surface of the dielectric material and an opposite, second surface of the dielectric material, wherein the first surface of the dielectric material is in a same plane as the second surface of the dielectric material, wherein the dielectric material comprises a cuboid defined at least by a width and a thickness, and a metal layer having a first surface of the metal layer and an opposite second surface of the metal layer, wherein the second surface of the dielectric material is disposed on the first surface of the metal layer.

Abstract: A solar cell, a manufacturing method thereof, and a photovoltaic module are provided. The solar cell includes a substrate having electrode regions and non-electrode regions that are alternatingly arranged in a first direction, where the non-electrode regions of the substrate include a plurality of first regions and a plurality of second regions; a doped conductive layer formed over the dielectric layer; a passivation layer formed over the first regions and the doped conductive layer; and a plurality of electrodes.

Abstract: A solar cell, a manufacturing method thereof, and a photovoltaic module are provided. The solar cell includes a substrate having electrode regions and non-electrode regions that are alternatingly arranged in a first direction, where the non-electrode regions of the substrate include connection regions, first regions, and second regions; a dielectric layer formed over the electrode regions, the second regions, and the connection regions; a doped conductive layer formed over the dielectric layer; a passivation layer formed over the first regions and the doped conductive layer; and a plurality of electrodes.

Abstract: Embodiments of the present disclosure provide a solar cell and a solar cell module. The solar cell includes a first region and a second region, and further includes a substrate having a first surface and a second surface; a tunneling layer covering the second surface; a first emitter formed on part of the tunneling layer in the first region; and a second emitter formed on part of the tunneling layer in the second region and on the first emitter, a conductivity type of the second emitter being different from a conductivity type of the first emitter. The solar cell further includes a first electrode configured to electrically connect with the first emitter by penetrating through the second emitter; and a second electrode formed in the second region and configured to electrically connect with the second emitter.

Abstract: A solar cell, a manufacturing method thereof, and a photovoltaic module are provided. The solar cell includes a substrate having electrode regions and non-electrode regions that are alternatingly arranged in a first direction, where the non-electrode regions of the substrate include a plurality of first regions and a plurality of second regions; a doped conductive layer formed over the dielectric layer; a passivation layer formed over the first regions and the doped conductive layer; and a plurality of electrodes.

Abstract: Provided is an intake bypass recirculation structure capable of silencing, including: an intake bypass recirculation structure body and a structure-conducted silencing device. An intake bypass recirculation cavity is provided on the intake bypass recirculation structure body. An inlet of the intake bypass recirculation structure and an outlet of the intake bypass recirculation structure that are provided on the intake bypass recirculation structure body are each connected to the intake bypass recirculation cavity. The structure-conducted silencing device is disposed inside the intake bypass recirculation cavity. In this application, during working, noise generated by a compressor is transmitted into the intake bypass recirculation cavity via an inlet of the intake bypass recirculation structure, and transmitted outside via the outlet of the intake bypass recirculation structure.

Abstract: An information retrieval method includes obtaining Mi (i+1)th-hop candidate documents based on a retrieval text query and Ki ith-hop candidate documents; obtaining a score of each candidate document in the Mi (i+1)th-hop candidate documents; obtaining, based on a score of a candidate document Pjy(i+1) and a probability of a path L, a probability of a path corresponding to the candidate document Pjy(i+1); obtaining K(i+1) (i+1)th-hop candidate documents based on probabilities of paths respectively corresponding to the Mi (i+1)th-hop candidate documents; and obtaining, based on the K(i+1) (i+1)th-hop candidate documents, a retrieval result corresponding to the query.

Abstract: A method for manufacturing a back-contact solar cell and a back-contact solar cell are provided. The method includes the following. A substrate having a first surface is provided, where the first surface includes first regions and second regions that are alternatingly arranged in a preset direction. First doping layers are formed over the first regions, second doping layers having different conductivity types of the first doping layers are formed over the second regions, and a mask layer is formed on the first doping layers. The respective second doping layer includes two first portions and a second portion arranged in the preset direction, the first portion is abutted on the respective first doping layer.

Abstract: A photovoltaic cell is provided, which includes: a substrate; a tunnel oxide layer and a doping conductive layer sequentially disposed on a first surface of the substrate in a direction away from the substrate, wherein the tunnel oxide layer includes nitrogen and phosphorus; a doping surface field disposed in the substrate, wherein the doping surface field is in contact with a side of the tunnel oxide layer facing the substrate, the doping surface field includes a doping element of a same conductivity type as a doping element in the substrate, and a doping concentration on a side of the doping surface field facing the tunnel oxide layer is greater than a doping concentration on a side of the doping surface field away from the tunnel oxide layer; and a metal electrode electrically connected to the doping conductive layer.

Abstract: A solar cell is provided, including a substrate having a first surface and a second surface, a first dielectric layer formed on the first surface, a first doped polysilicon layer formed on the first dielectric layer, a second dielectric layer formed on the second surface, a second doped polysilicon layer formed on the second dielectric layer, a first passivation layer formed on the first doped polysilicon layer, a second passivation layer formed on the second doped polysilicon layer, first electrodes and second electrodes. The first doped polysilicon layer is doped with an N-type doping element and has a surface having a first roughness, the second doped polysilicon layer is doped with a P-type doping element and has a surface having a second roughness, and the second roughness is less than the first roughness.

Abstract: In some embodiments, there is provided a method including receiving, by a machine learning model, first data corresponding to noisy audio including audio of a target speaker of interest proximate to a microphone; receiving, by the machine learning model, second data corresponding to articulatory gestures sensed by the microphone which also detected the noisy audio, wherein the second data corresponding to the articulatory gestures comprises one or more Doppler data indicative of Doppler associated with the articulatory gestures of the target speaker while speaking the audio; combining, by the machine learning model, a first set of features for the first data and a second set of features for the second data to form an output representative of the audio of the target speaker. Related systems, methods, and articles of manufacture are also disclosed.

Abstract: Examples of the present disclosure disclose a current bias circuit, a memory device and a memory system. The current bias circuit includes: a voltage stabilizing circuit configured to output a second voltage through a second terminal of the voltage stabilizing circuit based on a first voltage received by a first terminal of the voltage stabilizing circuit; and a main circuit coupled to the second terminal of the voltage stabilizing circuit at a first terminal of the main circuit, and configured to receive the second voltage output by the second terminal of the voltage stabilizing circuit to generate a bias current.

Abstract: Provided is a solar cell including: a silicon substrate, a passivation layer, a first antireflection layer, a second antireflection layer, a third antireflection layer, a tunneling dielectric layer formed over the rear surface, and a doped conductive layer formed over the tunneling dielectric layer. The silicon substrate includes at least one of P, Bi, Sb or As. The passivation layer includes an AlxOy material and is formed over the front surface, where 1/3?x/y?3. The first antireflection layer includes a SiNj material and is formed over the passivation layer, where 0.5?i/j?10. The second antireflection layer includes a SicNdOe material and is formed over the first antireflection layer, where 0.5?c/d?10, and 0.25?d/e?2. The third antireflection layer includes a SiaOb material and is formed over the second antireflection layer, where 0.5?a/b?3.