Abstract: Embodiments of the present disclosure provide a solar cell and a manufacturing method thereof, a processing method of an n-type doped silicon film, and a semiconductor device. The manufacturing method of the solar cell includes: providing a silicon wafer; forming an n-type doped silicon film on a first main surface of the silicon wafer at a first temperature, and simultaneously forming the n-type doped silicon film on at least a portion of surfaces of the silicon wafer except the first main surface due to wrapping around; performing a heat treatment on the n-type doped silicon film at a second temperature; etching and removing the n-type doped silicon film on the surfaces of the silicon wafer except the first main surface after performing the heat treatment; and preparing the solar cell by using the silicon wafer, the first temperature is lower than the second temperature.

Abstract: Some embodiments of the present disclosure provide a back structure of a solar cell. The back structure includes an aluminum oxide film layer disposed on a silicon wafer substrate, and a first silicon nitride film layer and a first silicon oxynitride film layer, which are successively disposed on the aluminum oxide film layer from inside to outside; and the back structure further includes a second silicon nitride film layer disposed on the first silicon oxynitride film layer. The refractive index of the first silicon nitride film layer is greater than that of the second silicon nitride film layer, and the refractive index of the second silicon nitride film layer is greater than that of the first silicon oxynitride film layer.

Abstract: A polycarbonate composition includes particular amounts of a polycarbonate, a polycarbonate-siloxane copolymer, a triazine-containing UV absorbing agent, and phosphazene flame retardant. The composition can provide a desirable combination of properties. Methods for the manufacture of the composition and articles including the composition are also disclosed.

Abstract: The present application discloses a back junction solar cell and a preparation method therefor.

Abstract: A foldable display terminal and a middle frame used in the foldable display terminal. The foldable display terminal includes a hinge structure, and a first middle frame and a second middle frame that are located on two sides of the hinge structure. An edge of the first middle frame includes a first top surface, an edge of the second middle frame includes a second top surface, the first top surface includes a first protrusion part, and the second top surface includes a second protrusion part. When the foldable display terminal is in a folded state, the first top surface faces the second top surface, a gap exists between the first top surface and the second top surface, the first protrusion part faces the second protrusion part, and a gap exists between the first protrusion part and the second protrusion part.

Abstract: This application provides a display apparatus and an electronic device. A transparent dielectric layer is added to the display apparatus, metal is deposited on the transparent dielectric layer, to form a metal grid, and a part of the metal grid is used as a radiator of an antenna structure. After an antenna is integrated into the display apparatus, through optimization of an optical design, the metal grid may meet a requirement for optical transmittance, and display effect is not obviously affected. In addition, because the antenna structure is integrated into the display apparatus, coverage space of a wireless signal is increased. This avoids occurrence of a signal blind region, so that the electronic device has a more reliable connection in a millimeter-wave band, to meet a communication requirement.

Abstract: A patch antenna includes a plurality of patch units, a first feeding branch, and a second feeding branch. The plurality of patch units is symmetric relative to a virtual symmetry axis. The plurality of patch units is arranged at intervals. A gap is formed between adjacent patch units, and the adjacent patch units are coupled through the gap. The first feeding branch and the second feeding branch are symmetric relative to the symmetry axis, and each of the first feeding branch and the second feeding branch is electrically connected to at least one patch unit of the plurality of patch units. The first feeding branch is configured for a first polarization of the patch antenna, and the second feeding branch is configured for a second polarization of the patch antenna.

Abstract: The present disclosure provides a path verification method in a content delivery network, and a device. The method includes: sending, by a client end, a first connection identification frame to a service end, the first connection identification frame comprising a current communication address of the client end; receiving, by the client end, a second connection identification frame fed back by the service end for the first connection identification frame, the second connection identification frame comprising a candidate communication address of the service end; for any candidate communication address, sending, by the client end, a path verification frame to the service end on a new path constructed based on the current communication address and the candidate communication address; and receiving, by the client end, a path response frame fed back by the service end through a target path obtained by filtering, to complete uplink verification of the new path.

Abstract: A polycarbonate composition includes: 10 to 99 wt % of one or more bisphenol A polycarbonate homopolymers based on the total weight of the polycarbonate composition; a poly(carbonate-siloxane) having a siloxane content of 30 to 70 wt %, preferably 35 to 65 wt %, based on the total weight of the poly(carbonate-siloxane), optionally wherein the poly(carbonate-siloxane) is a poly(carbonate-siloxane) elastomer, in an amount effective to provide a total siloxane content of 0.5 to 10 wt % based on the total weight of the polycarbonate composition; and wherein a sample of the composition has improved chemical resistance as compared to a reference composition.

Abstract: The disclosure discloses a solar cell and a preparation method for a solar cell. The preparation method for a solar cell comprises: sequentially forming a tunnel silicon oxide layer, an N-type doped polysilicon layer, and a front metal layer in an entire fashion on a front surface of a P-type silicon substrate; subjecting the entire front metal layer to a photoetching process to form a patterned front fine gate electrode; subjecting the tunnel silicon oxide layer and the N-type doped polysilicon layer in a region not covered by the front fine gate electrode to chemical etching to form a local tunnel silicon oxide layer and a local N-type doped polysilicon layer, wherein the widths of the local tunnel silicon oxide layer and the local N-type doped polysilicon layer are the same as the width of the front fine gate electrode.

Abstract: The present disclosure provides a path verification method in a content delivery network, and a device. The method includes: sending, by a client end, a first connection identification frame to a service end, the first connection identification frame comprising a current communication address of the client end; receiving, by the client end, a second connection identification frame fed back by the service end for the first connection identification frame, the second connection identification frame comprising a candidate communication address of the service end; for any candidate communication address, sending, by the client end, a path verification frame to the service end on a new path constructed based on the current communication address and the candidate communication address; and receiving, by the client end, a path response frame fed back by the service end through a target path obtained by filtering, to complete uplink verification of the new path.

Abstract: Embodiments compare key metrics data representing real-time workloads performed by a computer set representing one or more containers; determine that the key metrics data does not key metrics criteria; in response to the determining, query, from a pre-trained look up table, an optimal configuration for deploying resources to at least one containerized application of the computer set; determine that the optimal configuration is not found from the pre-trained look up table; train a neural network (NN) model by using samples from the pre-trained look up table as training data; determine the optimal configuration using the trained NN model; and deploy the determined optimal configuration for the computer set.

Abstract: Disclosed are a pharmaceutical composition, and a preparation method and use thereof. The composition includes the following components: an antibody-drug conjugate, a buffer system, a lyoprotectant, and a surfactant. The pharmaceutical composition is used for preparing anti-tumor drugs. The antibody-drug conjugate may be a conjugate A.

Abstract: The present disclosure discloses a preparation method for a solar cell and a solar cell. The preparation method for a solar cell comprises: locally forming a tunnel silicon oxide layer and an N-type doped polysilicon layer on a front surface of a P-type silicon substrate, wherein the N-type doped polysilicon layer is stacked on the tunnel silicon oxide layer; immersing the P-type silicon substrate having the tunnel silicon oxide layer and the N-type doped polysilicon layer locally formed on the front surface into an electroplating solution, irradiating the front surface of the P-type silicon substrate with light for a set duration so as to grow a front metal electrode on the N-type doped polysilicon layer, and removing a metal remaining on the front surface of the P-type silicon substrate by etching, wherein the width of the front metal electrode is the same as the width of the N-type doped polysilicon layer.

Abstract: The disclosure discloses a solar cell and a preparation method for a solar cell. The preparation method for a solar cell comprises: sequentially forming a tunnel silicon oxide layer, an N-type doped polysilicon layer, and a front metal layer in an entire fashion on a front surface of a P-type silicon substrate; subjecting the entire front metal layer to a photoetching process to form a patterned front fine gate electrode; subjecting the tunnel silicon oxide layer and the N-type doped polysilicon layer in a region not covered by the front fine gate electrode to chemical etching to form a local tunnel silicon oxide layer and a local N-type doped polysilicon layer, wherein the widths of the local tunnel silicon oxide layer and the local N-type doped polysilicon layer are the same as the width of the front fine gate electrode.

Abstract: A thermoplastic composition includes particular amounts of a polycarbonate; a brominated polycarbonate; a poly(aliphatic ester-carbonate); a silicone-containing impact modifier; and a flame retardant. Articles including the composition and methods for the manufacture thereof are also disclosed.

Abstract: A foldable terminal device is provided, including a first housing, a second housing, a third housing, a wire, and a wire fastening assembly. The third housing is located between the first housing and the second housing, the wire penetrates through an interior of the third housing, and both ends of the wire are respectively connected to the first housing and the second housing. The wire fastening assembly is disposed inside the third housing, and is configured to fasten the wire of the foldable terminal device to the third housing. The wire fastening assembly includes a first magnetic component and a magnetic assembly, the first magnetic component is fixedly connected to the interior of the third housing, the magnetic assembly is connected to the wire, and the magnetic assembly is magnetically connected to the first magnetic component.

Abstract: A multi-mode switching simulation training system based on a real centralized traffic control (CTC) system, including a center platform and a plurality of student platforms connected to the center platform through a network, where the center platform includes a first management module and a first training system connected to the first management module; each student platform includes a second management module and a second training system connected to the second management module; and the first management module is configured to control the start and stop of the first training system, and the second management module is configured to control the start and stop of the second training system, so as to switch a training mode of the multi-mode switching simulation system. The present invention can achieve the purposes of individual training for dispatchers, individual training for attendants, joint training for the dispatchers and the attendants, and skills competition.

Abstract: A battery back passivation structure, a manufacturing method therefor, and a solar cell, the manufacturing method comprising: introducing a dopant gas and a first reaction gas into a coating device, and depositing a doped passivation layer on the back side of a silicon wafer (1); and introducing a second reaction gas into the coating device, and directly or indirectly depositing an internal reflection layer on the surface of the doped passivation layer away from the silicon wafer (1). The described battery back passivation structure comprises a doped passivation layer and an internal reflection layer that are stacked on the back side of the silicon wafer (1), and has enhanced passivation capability.

Abstract: A computer-implemented method, system, and computer program product for identifying application programming interface relationships of a product. Entity information for the product is generated. The entity information identifies a plurality of entities of the product, attributes of the entities, and relationships between the entities. The plurality of entities include application programming interfaces of the product and other entities of the product. The entity information is processed by a graph attention network to identify degrees of relationships between the application programming interfaces and the entities of the product.