Abstract: The present disclosure belongs to the fields of biotechnology and biological medicine, and specifically relates to an antibody targeting a B cell maturation antigen (BCMA) and related products thereof and medical applications. Specifically, the antibody contains a variable light chain and a variable heavy chain. The variable light chain contains a light chain complementarity-determining region (CDR) 1, a light chain CDR2, and a light chain CDR3. The light chain CDR1 has a sequence as shown in SEQ ID NO. 1, the light chain CDR2 has an amino acid sequence as shown in SEQ ID NO. 2, and the light chain CDR3 is as shown in SEQ ID NO. 3 or SEQ ID NO. 4. Chimeric antigen receptor-natural killer (CAR-NK) cells prepared by a humanized antibody provided in the present disclosure are high in stability of positive rate and in killing capacity.

Abstract: The present disclosure belongs to the field of biotechnology, and specifically relates to a method for efficiently infecting human natural killer (NK) cells and other immune cells with a pseudovirus. Specifically, a viral transfection system provided in the present disclosure has an envelope plasmid with a protein having an X—Y—Z structure. The X is an extracellular (ex) structure of a gibbon ape leukemia virus (GALV) envelope glycoprotein, the Y is a transmembrane (TM) structure of the GALV envelope glycoprotein, and the Z is an intracellular segment portion of a murine virus gene.

Abstract: An application of fengycin family lipopeptides in pest control is provided, and Fengycin family lipopeptides are used for pest control, with especially strong killing effects on Homoptera and Coleoptera pests. A method is provided for treating seeds with fengycin to protect seeds and plant organs formed later from pests, so as to protect seeds from pests by coating the fengycin family lipopeptides on the surface of seeds.

Abstract: The invention discloses nano magnesium hydride and an in-situ preparation method thereof, including disposing and stirring magnesium chloride and lithium hydride in an organic solvent under a protection of an inert atmosphere, so as to obtain an organic suspension of a mixture; performing an ultrasonic treatment to the organic suspension, so as to promote a chemical reaction of the mixture. After the reaction is completed, the suspension is filtered; the solid reaction product is washed, centrifuged and dried to remove residual organic matter, so as to obtain nano-magnesium hydride.

Abstract: Provided are a display panel and a display device. The display panel includes an array substrate, a light-emitting element, a plurality of first connection pads, and a signal line. The array substrate includes a substrate and an array layer, and the array layer is disposed on one side of the substrate and includes a pixel circuit. The light-emitting element is disposed on one side of the array layer facing away from the substrate. The plurality of first connection pads are disposed on the substrate and coupled to the pixel circuit. The signal line includes a first wire segment and a second wire segment, the first wire segment is configured to connect a first connection pad and the second wire segment, or the second wire segment is configured to connect a first connection pad and the first wire segment. The display panel further includes an overlapping region.

Abstract: One example method includes receiving network topology information delivered by a topology manager, where the data center includes a plurality of servers, a plurality of electrical switches, and at least one optical cross-connect device. A data flow can be obtained. A routing policy can be configured for the data flow based on the network topology information, where the routing policy includes any one or a combination of the following routing policies: a first routing policy, where the first routing policy indicates to forward the data flow through an optical channel in the at least one optical cross-connect device; a second routing policy, where the second routing policy indicates to split the data flow into at least two sub-data flows for forwarding; or a third routing policy, where the third routing policy indicates to forward the data flow through an electrical switch of the plurality of electrical switches.

Abstract: An iturin family lipopeptides are provide for pest control, including insecticidal activity against Homoptera insects and Coleoptera insects. The iturin may be applied to seeds, plants or soil for control of agricultural pests.

Abstract: An application of fengycin family lipopeptides in pest control is provided, and Fengycin family lipopeptides are used for pest control, with especially strong killing effects on Homoptera and Coleoptera pests. A method is provided for treating seeds with fengycin to protect seeds and plant organs formed later from pests, so as to protect seeds from pests by coating the fengycin family lipopeptides on the surface of seeds.

Abstract: Syntax parsing on a SQL statement is performed to determine whether an extended syntax identifier exists in the SQL statement, where the extended syntax identifier indicates a target computing service for the SQL statement. It is determined that the extended syntax identifier exists in the SQL statement. A computing service description statement in a first statement format is generated based on the SQL statement, where the first statement format is a statement format that can be recognized by a target computing framework. The computing service description statement is submitted to the target computing framework. Data queried by the SQL statement is invoked, in the target computing framework based on the computing service description statement, to perform target computation, where the SQL statement includes a computing element needed by the target computing service.

Abstract: The present disclosure relates to a support device for a phase shifter for a base station antenna. The support device includes a support plate suitable for fixation of a main printed circuit board of the phase shifter. The support plate includes a plate-shaped body and at least one support leg located at a lower portion of the body. At least one said support leg extends along a direction perpendicular to the body and is located on one side of the body, so that the support plate can be arranged in the base station antenna in a first orientation by at least one said support leg, or arranged in the base station antenna in a second orientation by the body itself according to layout requirements. The present disclosure also relates to an assembly for a phase shifter for a base station antenna and a method for soldering a coaxial cable to a phase shifter for a base station antenna.

Abstract: A pixel arrangement structure and a display panel are provided. The pixel arrangement structure includes a plurality of sub-pixels having different colors. Each of the sub-pixels is divided into a main pixel area and a sub-pixel area, an area of the main pixel area is not equal to an area of the sub-pixel area, and at most every four columns, a position of the main pixel area and a position of the sub-pixel area are alternately changed to improve brightness uniformity of a display panel.

Abstract: The present disclosure relates to an inclinometer for base station antennas, wherein the inclinometer is configured to be mounted to the base station antenna, and comprises: a movable weight configured to move to and stay at the force balance position in dependence on the mechanical tilt of the base station antenna under the action of gravity of the weight; an indicator coupled to the movement of the weight; and a plurality of graduations used in cooperation with the indicator for reading the mechanical tilt of the base station antenna. With the aid of this inclinometer, the mechanical tilt of the base station antenna can be easily and intuitively obtained.

Abstract: The present disclosure provides a display panel and a display device. The display panel comprises a substrate and a touch control layer. The touch control layer comprises a transparent electrode layer, a first touch control electrode, a second touch control electrode, and a passivation layer, the passivation layer covers the first touch control electrode and the second touch control electrode, and the first touch control electrode and the second touch control electrode are disposed on a same layer. The present disclosure omits two masking processes, thereby reducing productive cost and improving quality of panels.

Abstract: A pixel arrangement structure and a display panel are provided. The pixel arrangement structure includes a plurality of sub-pixels having different colors. Each of the sub-pixels is divided into a main pixel area and a sub-pixel area, an area of the main pixel area is not equal to an area of the sub-pixel area, and at most every four columns, a position of the main pixel area and a position of the sub-pixel area are alternately changed to improve brightness uniformity of a display panel.

Abstract: A touch display panel is provided. The touch display panel includes an array substrate, a color filter substrate, a glass cover plate, first touch electrodes, and second touch electrodes. The color filter substrate is disposed opposite to the array substrate, the glass cover plate is arranged on a side of the array substrate away from the color filter substrate, the first touch electrodes are disposed inside the array substrate, and the second touch electrodes are disposed between the array substrate and the glass cover plate.

Abstract: The invention discloses nano magnesium hydride and an in-situ preparation method thereof, including disposing and stirring magnesium chloride and lithium hydride in an organic solvent under a protection of an inert atmosphere, so as to obtain an organic suspension of a mixture; performing an ultrasonic treatment to the organic suspension, so as to promote a chemical reaction of the mixture. After the reaction is completed, the suspension is filtered; the solid reaction product is washed, centrifuged and dried to remove residual organic matter, so as to obtain nano-magnesium hydride.

Abstract: The present disclosure provides a display panel and a display device. The display panel includes a normal display region and a special-shaped display region. A plurality of second pixel groups and second scan lines are sequentially disposed in the special-shaped display region. Each of the plurality of second pixel groups includes a plurality of rows of sub-pixels disposed along a first direction. The sub-pixels in each row are connected to the second scan lines in a corresponding row. The first scan lines are connected to the second scan lines to reduce a size of sub-pixels in each of the plurality of second pixel groups, increase a pixel density, and increase a display quality.

Abstract: Syntax parsing on a SQL statement is performed to determine whether an extended syntax identifier exists in the SQL statement, where the extended syntax identifier indicates a target computing service for the SQL statement. It is determined that the extended syntax identifier exists in the SQL statement. A computing service description statement in a first statement format is generated based on the SQL statement, where the first statement format is a statement format that can be recognized by a target computing framework. The computing service description statement is submitted to the target computing framework. Data queried by the SQL statement is invoked, in the target computing framework based on the computing service description statement, to perform target computation, where the SQL statement includes a computing element needed by the target computing service.

Abstract: A method and an apparatus for playing a video are described. In an example, processing circuitry of the apparatus acquires, when the video is switched from a first application interface to a second application interface, first progress information and first position information of the video in the first application interface. The first position information is indicative of a first video playback window in the first application interface. Then, the processing circuitry resumes playing the video in the second application interface according to the first progress information. Further, the processing circuitry acquires, when the video is switched from the second application interface to the first application interface, second progress information of the video in the second application interface.

Abstract: A method for acquiring monitoring data and a system thereof, a task distribution server and an agent are disclosed. The method for acquiring the monitoring data includes: receiving registrations of the agent and a gathering device by the task distribution server; receiving, by the task distribution server, an acquiring instruction sent by the gathering device; and sending, by the task distribution server, the acquiring instruction to the agent to instruct the agent to acquire the monitoring data. Hence, a flexibility in acquiring the monitoring data is improved.