Abstract: Disclosed is an indirect enzyme-linked immunosorbent assay (ELISA) detection kit based on p30 protein and p22 protein of African swine fever (ASF) p30 and p22, belonging to the technical field of animal biological products manufacturing. The indirect ELISA detection kit includes the p30 protein with an amino acid sequence as shown in SEQ ID NO: 2 and the p22 protein with an amino acid sequence as shown in SEQ ID NO: 4.

Abstract: The present disclosure relates to the technical field of solar cell preparation, and provides a solar cell, an AlOx depositing method therefor, and a cell back passivation structure and method. In the present disclosure, a silicon wafer which has been subjected to thermal oxidization and annealing is placed into a tubular PECVD equipment. The chamber is vacuumized to a pressure of 100-2000 mTorr and heated to a temperature of 300-400° C. Then nitrous oxide and TMA as reaction gases are introduced in to the chamber. The radio-frequency power supply is turned on and an AlOx passivation film having two-layer, three-layer, or more-layer film structure is prepared.

Abstract: A housing includes a shell and a clamp plate. An air return opening is provided on one side of the shell. The clamp plate includes a fixation plate and a clamp plate folded edge. Two ends of the fixation plate along a length direction of the fixation plate are connected to two side walls of the air return opening, respectively. The clamp plate and the two side walls of the air return opening form a slot for mounting a filter screen. The clamp plate folded edge is provided on a side surface of the fixation plate and arranged along the length direction of the fixation plate.

Abstract: The present disclosure relates to the field of display technology and, more specifically, to a display panel and a display device. The display panel includes: an array substrate, an opposite substrate and a spacer. The array substrate includes: a first substrate, a plurality of rows of scan lines and a plurality of columns of data lines. The first substrate includes a plurality of sub-pixel areas, a first wiring area and a second wiring area. The plurality of rows of scan lines are formed on the first substrate and at least one row of the scan line is located in a first wiring area. The plurality of columns of data lines are formed on the first substrate and at least one column of the data line is located in a second wiring area.

Abstract: The present disclosure provides a motherboard protection circuit and a server. The motherboard protection circuit includes a baseboard management controller (BMC), a first connector and a first conversion circuit. The first connector outputs a first rotational speed signal when a fan is electrically connected to the first connector. The first conversion circuit is electrically connected between the BMC and the first connector, the first conversion circuit converts a first voltage of the first rotational speed signal into a second voltage and output a converted first rotational speed signal to the BMC. The BMC monitors a rotational speed of the fan according to the converted first rotational speed signal. The first conversion circuit maintains the voltage of the rotational speed signal to an ideal voltage, and outputs the rotational speed signal to the BMC, so that the BMC can normally receive the rotational speed signal.

Abstract: A reaction test strip, a detection chip, and a detection system are provided. The reaction test strip includes a base film layer structure and a detection reagent, the base film layer structure has water absorbency and includes a detection layer, a material of the detection layer includes cotton fiber or glass fiber, and the detection reagent is distributed in the detection layer and is configured to change a color of the base film layer structure after reacting with a sample to be detected.

Abstract: Provided herein is a class of ionizable lipid compounds represented by formula (IV), or pharmaceutically acceptable salts, isotopic variants, tautomers or stereoisomers thereof. Also provided is a nanoparticle pharmaceutical composition comprising said compound, and the application of said compound and its composition in the delivery of nucleic acids.

Abstract: The present disclosure provides a lipid nanoparticle wherein the lipid ingredient comprises a compound of formula (IV). The present disclosure also provides a method of preparing the lipid nanoparticle, a pharmaceutical composition of the lipid nanoparticle, and use of the lipid nanoparticle and pharmaceutical compositions in the delivery of nucleic acids.

Abstract: A solution for handling network congestion includes: attempting, by a user equipment (UE), to initiate a data session (e.g., a voice over WiFi (VoWiFi) call) over a packet data network (PDN); receiving, by the UE, a notification of network congestion; based on at least a fast retry timer and a fast retry counter, attempting, by the UE, fast retries up to a maximum number of fast retries at a fast retry time interval; and based on at least none of the initial attempt and the fast retries initiating the data session, attempting, by the UE, slow retries at a slow retry time interval until the data session is initiated or a trigger condition halts the slow retries. In some examples, the UE receives a retry parameter set from the network including the maximum number of fast retries, the fast retry time interval, and the slow retry time interval.

Abstract: Disclosed are a high-efficiency and high-reliability PERC solar cell and a front electrode thereof, and a manufacturing method, which belong to the solar cell technology. Busbars of the front electrode of solar cell of the present disclosure includes fine busbars and solder joints distributed on the fine busbars at intervals. Each fine busbar between adjacent solder joints includes a straight fine busbar connecting the two solder joints, and side fine busbars located on both sides of the straight fine busbar respectively. In the method for manufacturing the front electrode, the busbars and the fingers are printed by a step-by-step printing process.

Abstract: Disclosed are an audio and video data processing method, a live streaming apparatus, an electronic device, and a storage medium. A media stream is acquired, a difference value between a current media frame timestamp and a previous media frame timestamp in the media stream is acquired, and an upper and lower limit range of the difference value is acquired; the current media frame timestamp is output when the difference value is within the upper and lower limit range; a standard media frame interval of the media stream is acquired if the difference value is not within the upper and lower limit range. The problem of abnormal playback of a player caused by an inhomogeneous timestamp of an audio and video frame is solved. An accumulation error is also balanced through forward compensation and reverse compensation, so as to prevent the accumulation error from accumulating and increasing.

Abstract: Disclosed is an insulation detection circuit for voltage balance, including a bus battery, a bus positive voltage dividing circuit, a bus negative voltage dividing circuit, a differential amplification circuit and a micro controller unit (MCU) module. The bus battery is respectively connected with the bus positive voltage dividing circuit and the bus negative voltage dividing circuit, the bus positive voltage dividing circuit and the bus negative voltage dividing circuit is respectively connected with the differential amplification circuit, and the differential amplification circuit being connected with the MCU module; the bus battery is configured for supplying power to each module; the bus positive voltage dividing circuit is configured for converting a positive voltage of the bus from high voltage to detectable low voltage; the bus negative voltage dividing circuit is configured for converting a negative voltage the bus from high voltage to detectable low voltage.

Abstract: A packet retransmission method and apparatus includes, when a WLAN chip fails to send a packet, if a quantity of times for instructing, by a processor, the WLAN chip to send the packet is less than a limit quantity of times for a packet type of the packet, reinstructing, by the processor, the WLAN chip to send the packet, where the packet type is one of a plurality of packet types, and limit quantities of times for at least two of the plurality of packet types are different from each other.

Abstract: A data center security control module able to connect with motherboards of different platforms such as Intel platform, AMD platform, and Ampere platform includes a baseboard management controller (BMC), a chip selection module, and a control module. The BMC outputs an alarm signal. The chip selection module includes N chip selection units, the chip selection unit outputting alarm signal to an external motherboard which is connected to the data center security control module. The control module obtains information as to motherboard type being Intel platform, or AMD platform, or Ampere platform and outputs a control signal to the chip selection module according to the motherboard type to start the chip selection unit associated with such motherboard type. The application also provides a data center security control module control method.

Abstract: A data center security control module adaptable for installation and use on additional platforms beyond a standard Intel platform includes a baseboard management controller (BMC), a power module, a switch module, and a control module. The power module is configured for supplying power to the BMC. The switch module is electrically connected between the BMC and the power module. The control module obtains information as to a motherboard type of an external motherboard and turns the switch module on or off to make or break a connection between the BMC and the power module depending on the motherboard type. The application also provides a data center security control module control method.

Abstract: A fingerprint identification sensor includes a base, and at least one light sensing unit disposed on the base. The at least one light sensing unit is configured to collect at least two different monochromatic lights of light reflected by a finger to identify a fingerprint.

Abstract: The invention discloses a bionic wrist joint based on an asymmetric 3-RRR parallel mechanism, including: an asymmetric 3-RRR parallel mechanism and a drive unit. The asymmetric 3-RRR parallel mechanism includes: a moving platform, a first static platform, and three asymmetrically distributed parallel branch chains, wherein each branch chain includes a passive rod and an active rod. An end of the active rod is connected to the first static platform via the revolute pair, and another end thereof is connected to the passive rod via the revolute pair. The axes of the revolute pairs at two ends of the active rod form an axis included angle. Three axis included angles are different, the passive rod and the moving platform are connected by the revolute pair, and three axis included angles corresponding to the passive rods are different. The drive unit is configured to drive the asymmetric 3-RRR parallel mechanism to move.

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: This application discloses a call display method and apparatus, a device, and a storage medium, which fall within the field of instant messaging. The method includes displaying an outgoing call-interface, the outgoing call-interface being prior to a call connection between the first terminal and a second terminal; and displaying recent information in the outgoing call-interface, the recent information being social network information recently posted by a second user account corresponding to the second terminal.

Abstract: A display panel including pixel circuits each including a drive transistor and a first reset transistor; first signal line including an indirect-connection signal line and a direct-connection signal line; connection signal lines, at least part of which is electrically connected to the indirect-connection signal lines; anodes; a pixel circuit group including two pixel circuits at least partially symmetric and adjacent, the first reset transistors of two pixel circuits being adjacent to each other, and adjacent first reset transistors being connected through a first semiconductor connection line, which is connected to the reset signal line; and pixel columns, two sides of the drive transistors in a pixel column being provided with two first signal lines and two second connection signal lines. At least part of the anodes overlaps with adjacent first signal lines and/or two adjacent second connection signal lines.