Abstract: The invention discloses a recombinant Corynebacterium glutamicum for producing lysine by biofilm continuous fermentation and a construction method thereof, wherein the recombinant Corynebacterium glutamicum is constructed by overexpressing a protease gene FtsH in a Corynebacterium glutamicum; and the construction method comprises the following steps of: (1) performing PCR on a genome of the Corynebacterium glutamicum, and amplifying the FtsH gene to obtain an amplified FtsH gene segment; (2) cloning the FtsH gene segment to an overexpression plasmid to obtain a recombinant plasmid; and (3) introducing the recombinant plasmid into the Corynebacterium glutamicum, and screening to obtain the recombinant Corynebacterium glutamicum.

Abstract: Embodiments of application discloses a method and device for determining external parameters of a stereo camera. The method comprises: acquiring ground surface data of a location of the stereo camera; generating, according to three-dimensional coordinates of each pixel in the ground surface data in a camera coordinate system corresponding to the stereo camera, a first plane equation in the camera coordinate system that conforms to the three-dimensional coordinates of the pixels; determining, according to a distance between the origin of the camera coordinate system and the ground surface, a setting height of the stereo camera; and generating, according to the first plane equation, a plane normal vector corresponding to the first plane equation; and determining, according to the plane normal vector, a pitch angle of the stereo camera and an inclination angle of the stereo camera. The external parameters of the stereo camera can be determined without using a reference point in a scene.

Abstract: A micro light emitting diode (micro LED) transferring apparatus is provided. The micro LED transferring apparatus includes a transfer array including an array of a plurality of transfer heads; and an array mask having an array of a plurality of alignment holes. A respective one of the plurality of alignment holes has a size allowing a respective one of the plurality of transfer heads and a micro LED attached to the respective one of the plurality of transfer heads to pass through.

Abstract: The invention discloses a virtual wall system for mobile devices and implementation method thereof. The virtual wall system for mobile devices includes: communication module: which is mainly used for the transmissions of relevant map information, virtual wall information, positioning information, and task information, and act as a bridge; interaction module: by which users set, add or delete the virtual wall information of any shape through the graphical editing environment, and sends this information to the processing part of the intelligent mobile algorithm; acquisition module: which obtains the virtual wall information provided by the interaction module, stores relevant data. The present needs no additional cost to produce additional auxiliary hardware devices, and is more convenient, flexible and fast for use.

Abstract: A virtual track design system for mobile devices and implementation method thereof are disclosed. The virtual track design system includes communication module: which is mainly used for relevant map information, virtual track information, positioning information, and task information transmission, and acts as a bridge; interaction module: which sets fixed track with arbitrary shape and length through graphical editing environment, and supports segmental modification, deletion of tracks and other functions. After editing, sends the virtual track information to the intelligent cruise algorithm processing module; acquisition module: which gets the virtual track information provided by the interaction module, stores relevant data, and sends the information to the key point of track extraction module. The invention does not require additional cost to deploy auxiliary equipment, and is more convenient, flexible and fast to use.

Abstract: Disclosed herein is a polynucleotide construct comprising one or more nuclease recognition sequences upstream and downstream of a Gene editing multi-site that comprises a plurality of nuclease recognition sequences. The plurality of nuclease recognition sequences facilitate insertion of one or more exogenous donor genes into the host cell.

Abstract: The present disclosure relates to communication methods. One example method includes determining a first bandwidth part (BWP) and a second BWP, determining an association relationship between the first BWP and the second BWP, and at least one of determining a first quasi co-location (QCL) relationship based on the association relationship, and receiving a physical downlink shared channel (PDSCH) in the second BWP based on the first QCL relationship, or determining a second QCL relationship based on the association relationship, and receiving a physical downlink control channel (PDCCH) in the second BWP based on the second QCL relationship.

Abstract: A communication method and a communications apparatus are provided. The method includes: determining a first bandwidth part (BWP) and a second BWP; determining an association relationship between the first BWP and the second BWP; and recovering a link of a first downlink resource of the first BWP based on the association relationship and/or detecting a link failure of a second downlink resource of the second BWP based on the association relationship. The link of the first downlink resource of the first BWP can be accurately recovered based on the association relationship between the two BWPs, thereby ensuring communication reliability.

Abstract: A lower limb traction device for intramedullary nail implantation operation includes a chassis with a first end portion and a second end portion opposite to each other; a first slide block slidably provided at a second end portion of the chassis in a longitudinal direction of the chassis; a lower leg support plate having two opposite end portions and two opposite side portions, wherein one end portion is connected to the first slide block; an upper leg back plate having opposite end portions and opposite side portions, wherein one end portion of the upper leg back plate is connected to the second end portion of the chassis, and the other end portion of the upper leg back plate is connected to the other end of the lower leg support plate; and a pulling mechanism provided at the first end portion of the chassis.

Abstract: This application provides a link recovery method, including: determining a link failure of a first control resource set, where the first control resource set is a control resource set configured by a first master information block MIB; and sending a link failure recovery request, where the link failure recovery request is used to request to recover a communication link of the first control resource set. The first control resource set may be a CORESET, a control region (control region), or an ePDCCH set (set) defined in a 5G mobile communications system.

Abstract: This application provides a communication method and a communications apparatus. The method includes: in a process in which a terminal device performs beam failure recovery in a first bandwidth, determining, by the terminal device, that an operating bandwidth needs to be switched from the first bandwidth to a second bandwidth; and switching, by the terminal device, from the first bandwidth to the second bandwidth according to a preset policy. According to embodiments of this application, the operating bandwidth can be switched in the beam failure recovery process.

Abstract: An elevator control method, apparatus, and system, and an electronic device. The elevator control method includes: receiving a notification message, the notification message carrying a target moment, and the target moment being a moment at which an elevator door opens, or being a preset moment before the elevator door opens; performing a preset operation for instructing a driverless smart device to enter/exit an elevator in a case of determining, based on the target moment carried by the notification message, that a preset condition is met; and instructing an elevator control device to call the elevator in a case of determining, based on the target moment carried by the notification message, that the preset condition is not met.

Abstract: The present disclosure relates to bi-specific antibodies that specifically bind and neutralize both tumor necrosis factor ? (TNF?) and interleukin-1? (IL-1?), and to the use of such bispecific antibodies for the therapeutic treatment of TNF? and IL-1?-mediated diseases and disorders.

Abstract: Embodiments of the present application provide a method and a device for determining a power control offset for a PUCCH, for resolving the issue in which existing methods for determining a power control offset for a PUCCH are incompatible with new radio communications systems. The method comprises: determining the number of bits, OUCI, of first uplink control information (UCI) required to be transmitted on a PUCCH, and determining the number, NRE, of resource elements (RE) carrying the first UCI in the PUCCH; and determining, according to formula (I), an offset ?PUCCH_TF,c(i) for calculation of power control of the PUCCH, and g(OUCI/NRE) is a function having OUCI and NRE as variables thereof.

Abstract: A lumbar herniated disc treatment device includes an upright post, a rail vertically mounted on the upright post, a chest fixing device up-and-down, slidably mounted on the rail, a lumbar traction and torsion device up-and-down slidably mounted on the rail and positioned below the chest fixing device, and a waist massage device up-and-down slidably mounted on the rail and positioned between the chest fixing device and the lumbar traction and torsion device.

Abstract: A method for determining an optical constant of a material includes: acquiring ellipsometric parameters; obtaining a optical constant of the material corresponding to the ellipsometric parameters by a machine learning model; the machine learning model including a mapping relationship between the ellipsometric parameters and the material optical constant of the material corresponding to the ellipsometric parameters. The method uses the machine learning model to implement an automatic fitting of ellipsometric parameters. In the method, the optical constant of the material is calculated by a machine learning model, which no longer depends on the experiences of the experimenters, thereby reducing requirements for the operator, accelerating the fitting of the data curve when calculating the optical constants of the material and improving the operation efficiency.

Abstract: Disclosed are an encoding method and apparatus, an electronic device and a storage medium, wherein same are used for solving the problem in the prior art of inflexibility of the segmentation of a sequence to be encoded. The method comprises: according to the length and a transmission code rate of a sequence to be encoded, determining the target number of segments of the sequence to be encoded; according to the target number, segmenting the sequence to be encoded; and encoding each sub-sequence after the segmentation, and cascading same after encoding. In the embodiments of the present application, according to the length and a transmission code rate of a sequence to be encoded, the target number of segments of the sequence to be encoded is determined, and according to the target number, the sequence to be encoded is segmented. The sequence to be encoded is flexibly segmented, thus improving the encoding performance.

Abstract: Channel state information (CSI) sending methods, apparatuses, and systems are disclosed. In an implementation, a method comprises: receiving, by a network device from a terminal device, channel state information (CSI) comprising a rank indicator (RI), indication information, and a second precoding matrix indicator (PMI2); determining, by the network device, the RI and the indication information from the CSI; determining, by the network device, the PMI2 based on the RI and the indication information; and determining, by the network device, a precoding matrix W based on the RI and the PMI2, wherein W satisfies W=W1×W2, W is an Nt by L matrix, W1 is an Nt by 2I matrix, W2 is a 2I by L matrix, L is a rank indicated by the RI, Nt is greater than or equal to L, and I is an integer greater than or equal to 1.

Abstract: Embodiments of the present invention disclose an information transmission method, a related device, and a system. The method includes: determining, by a terminal device at a moment n, that a communication failure occurs on a physical downlink control channel (PDCCH) on a first control resource set; and if the terminal device detects, within a first time period after the moment n, that channel quality of the PDCCH on the first control resource set meets a first preset condition, canceling, by the terminal device, sending of communication failure recovery request information, and/or stopping, by the terminal device, timing of a communication failure recovery clock. In the embodiments of the present invention, a communication link can be rapidly recovered after a communication failure occurs.

Abstract: A channel information reporting method and apparatus and a system are used to improve adaptive performance of a link. A first device includes: a receiving module, configured to receive a reference signal from a second device; a processing module, configured to: perform channel estimation based on the reference signal to obtain a channel matrix, decompose the channel matrix to obtain an unquantized precoding matrix, and generate channel information used to describe the unquantized precoding matrix; and a sending module, configured to send the channel information used to describe the unquantized precoding matrix to the second device. The second device sends the channel information used to describe the unquantized precoding matrix. Therefore, a quantization error is avoided, so that a precoding matrix obtained by the first device is more accurate, thereby effectively improving the adaptive performance of the link.