Abstract: Provided are a D-amino acid oxidase and use thereof in the preparation of L-phosphinothricin or an intermediate thereof. Provided is a D-amino acid oxidase having an amino acid sequence comprising an amino acid residue difference as compared to SEQ ID NO: 1, the amino acid residue difference being selected from one or a plurality of: K29G/H/I/N/Q/W/Y/C/L; V42C/D/E/H/Y; E195N/Y/Q; C234L; and V326W. The activity and/or thermal stability of the D-amino acid oxidase is not lower than that of a D-amino acid oxidase having an amino acid sequence as set forth in SEQ ID NO: 1. Provided is a D-amino acid oxidase with higher thermal stability. The operating temperature range of the enzyme is expanded while the activity of the enzyme is improved. The enzyme can have a prolonged service life when used at a relatively low temperature, and can have an improved catalytic efficiency when used at a relatively high temperature.

Abstract: Disclosed herein is a bio-based copolymer comprising in polymerized form (i) at least one polymerizable bio-based monomer containing one phenolic hydroxyl group which has been derivatized to provide at least one polymerizable functional group which is an ethylenically unsaturated functional group (such as a [meth]acrylate group), where the precursors of the polymerizable bio-based monomers are derived from raw lignin-containing biomass, and (ii) at least one ion-conducting co-monomer other than the bio-based monomer. Also disclosed herein are binders comprising the bio-based copolymer, electrodes comprising the binder, polymer electrolytes comprising the bio-based copolymer and an electrochemical device comprising an electrode in electrical contact with a polymer electrolyte, wherein at least one of the electrode and the polymer electrolyte comprises the bio-based copolymer.

Abstract: A method and system for controlling a vehicle includes determining a temperature of a power distribution center and controlling an opening of an active air dam in response to the temperature of the power distribution center.

Abstract: The present invention provides nanoparticles or conjugates comprising at least one ligand that selectively targets major facilitator superfamily domain-containing protein-2a (MFSD2A). In various embodiments, the nanoparticles or conjugates of the invention target at least one cell comprising MFSD2A (e.g., endothelial cells of blood brain barrier). In some embodiments, the nanoparticles or conjugates of the invention cross the blood brain barrier and/or blood retinal barrier. In other aspects, the present invention relates to methods for in vivo delivery of diagnostic and/or therapeutic agents to a brain. In other aspects, the present invention relates to methods of preventing or treating a neurological or cognitive disease or disorder using the nanoparticles or conjugates of the invention.

Abstract: The present invention provides antimicrobial nanoparticles or compositions thereof comprising at least one phytochemical or bioactive compound, at least one lipid, at least one surfactant, and at least one vitamin E. In some embodiments, the antimicrobial nanoparticles or compositions thereof further comprise at least one coating agent. In some embodiments, the antimicrobial nanoparticles or compositions thereof are an edible coating. In various aspects, the present invention relates to methods of reducing or inhibiting the activity or level of or preventing the growth of at least one microorganism on a surface of an element. In some aspects, the present invention relates to methods of increasing a shelf-life of food and/or maintaining and improving food nutrients and/or nutrition values. In other aspects, the present invention relates to methods of delivering at least one nutritional or bioactive agent for preventing and treating various disorders and diseases.

Abstract: A system and method for reducing particle contamination on substrates during a deposition process using a particle control system is disclosed here. In one embodiment, a film deposition system includes: a processing chamber sealable to create a pressurized environment and configured to contain a plasma, a target and a substrate in the pressurized environment; and a particle control unit, wherein the particle control unit is configured to provide an external force to each of at least one charged atom and at least one contamination particle in the plasma, wherein the at least one charged atom and the at last one contamination particle are generated by the target when it is in direct contact with the plasma, wherein the external force is configured to direct the at least one charged atom to a top surface of the substrate and to direct the at least one contamination particle away from the top surface of the substrate.

Abstract: A renewable energy charging system, an alternating current charging station and a charging method applied to the alternating current charging station are provided. The method includes: measuring an available input power of a system where the alternating current charging station is arranged when the alternating current charging station is operating in a power tracking mode; controlling the alternating current charging station to supply single-phase power to an electric vehicle through a charging gun of the alternating current charging station when the measured available input power is greater than or equal to a single-phase threshold and less than a three-phase threshold, where the single-phase threshold is less than the three-phase threshold; and controlling the alternating current charging station to supply three-phase power to the electric vehicle through the charging gun when the measured available input power is greater than or equal to the three-phase threshold.

Abstract: Provided are a sucrose synthetase and the use thereof. Compared with SEQ ID NO: 11, an amino acid sequence of the sucrose synthetase contains differences in amino acid residues selected from one or more of the following residue positions: an amino acid at position 36 being V, an amino acid at position 43 being E, an amino acid at position 179 being A, an amino acid at position 395 being R, an amino acid at position 447 being P, an amino acid at position 455 being L, and an amino acid at position 654 being R; and the sucrose synthetase has an activity not lower than that of a sucrose synthetase having an amino acid sequence as shown in SEQ ID NO: 11. By means of catalyzing the synthesis of rebaudioside A, rebaudioside D or rebaudioside M by using a glucosyltransferase and the sucrose synthetase in a combined manner, a cascade reaction is achieved, thereby providing a variety of possibilities for the selection of raw materials.

Abstract: An anti-force brake testing platform for an electric vehicle based on model predictive control (MPC) includes a first testing unit; a second testing unit; a third testing unit; a fourth testing unit; a wheelbase adjustment device; and a control cabinet system. The first and second testing units are structurally identical and have the same height, and are provided at the same horizontal foundation plane, with each including a first driving device, a first roller group, a first lifting device, a steering device, a frame, and a first control and test device. The third and fourth testing units are structurally identical, with each including a second driving device, a second roller group, a second lifting device, an anti-slip stopping mechanism, a first fixed base frame, a locking mechanism, and a second control and test device. The wheelbase adjustment device includes a second fixed base frame and a movable stand.

Abstract: A device for controlling an aerial vehicle, includes a memory storing a computer program, and a processor configured to execute the computer program to: receive a data file indicating a flight restriction level and a flight restriction range of an airport area in an airport, parse the data file to obtain the flight restriction level and the flight restriction range of the airport area, and control the aerial vehicle to execute a flight restriction strategy according to the flight restriction level and the flight restriction range of the airport area. The flight restriction range of the airport area is determined based at least on a risk level of the airport. The risk level of the airport is determined based on an airport traffic volume of the airport.

Abstract: A method for generating a pre-trained language model, includes: obtaining sample files; obtaining typography structure information and text information of the sample files by parsing the sample files; obtaining a plurality of task models of a pre-trained language model; obtaining a trained pre-trained language model by jointly training the pre-trained language model and the plurality of task models according to the typography structure information and the text information; and generating a target pre-trained language model by fine-tuning the trained pre-trained language model according to the typography structure information and the text information.

Abstract: A method and system control a water distribution network. A database is maintained of prior states based on a residential water demand, a tank level, and an energy tariff. A current state of the water distribution network is determined. Rewards are determined and include a tank level constraint, an energy cost, and a toggle count. A query based model is used to determine a set of control points used to control a first prior state. An RL agent is trained based on the prior states and rewards. The RL agent determines a control setpoint (that changes the pump speed) that maintains the tank level, minimizes the energy cost, and complies with the toggle count. The RL agent determines time slots and selects one of the time slots. Hybrid setpoints are generated to control the water distribution network within the selected time slot.

Abstract: Embodiments of this application provide a shading method, a shading apparatus, and an electronic device. One example method includes: obtaining rendering information of an image, where the rendering information includes a main scene rendering texture, camera information, model view projection (MVP) matrix information of a rendering object, and a user interface (UI) rendering texture; determining a first guide image based on the main scene rendering texture, the camera information, and the MVP matrix information of the rendering object; determining a second guide image based on the UI rendering texture; determining a third guide image based on the first guide image and the second guide image; and shading the third guide image.

Abstract: A system and method for reducing particle contamination on substrates during a deposition process using a particle control system is disclosed here. In one embodiment, a film deposition system includes: a processing chamber sealable to create a pressurized environment and configured to contain a plasma, a target and a substrate in the pressurized environment; and a particle control unit, wherein the particle control unit is configured to provide an external force to each of at least one charged atom and at least one contamination particle in the plasma, wherein the at least one charged atom and the at last one contamination particle are generated by the target when it is in direct contact with the plasma, wherein the external force is configured to direct the at least one charged atom to a top surface of the substrate and to direct the at least one contamination particle away from the top surface of the substrate.

Abstract: The present application provides a data processing method and apparatus, and a storage medium. Specifically, after target request data to be processed is acquired, a first example set may be determined from a preset example library according to the target request data. The first example set includes a plurality of pieces of first example data, and the first example data may provide a reference when the target request data is processed. Next, prompt information may be sent to a target model. The prompt information includes the target request data and the first example set. The target model may learn the first example set and process the target request data after learning the first example set. After completing processing the target request data, the target model may return an output result obtained based on the prompt information.

Abstract: Methods and systems are provided for security patch type detection of software patches. A software patch for a software product may be received. For example, the software patch may be received by a computing device. A pre-patch code property graph and a post-patch code property graph may be determined. For example, the pre-patch code property graph and the post-patch code property graph may be determined based on the software patch and/or the pre-patch source code and the post-patch source code respectively. A combined patch code property graph may be determined. For example, the combined patch code property graph may be determined based on the pre-patch code property graph and the post-patch code property graph. A patch type for the software patch may be determined. For example, the patch type may be determined based on the combined patch code property graph and/or a machine-learning prediction model.

Abstract: A method, an apparatus, and an electronic device for providing product object information are disclosed. The method includes: providing an interactive content in a process of playing a live video content associated with a product object, the interactive content being generated according to a material associated with the product object, and the material being used to describe attributes of the product object; and providing a change process of the interactive content according to the material in a process of responding to interactive operation information inputted by a user, to enable a presentation of multiple attributes of the product object. Through the embodiments of the present disclosure, the product object information can be provided to consumers in a more comprehensive and intuitive manner, so as to help the users to make better shopping decisions.

Abstract: A method for analyzing and improving a configuration of an executable event-based application includes receiving, by a computer system, the configuration of the event-based application and the event-based application. The method includes linting the configuration. The method further includes generating a predicted performance of the application in relation to the event streaming platform using a machine learning model. The method also includes generating, at least one first recommendation, based on the predicted performance, for improving the configuration. The method includes applying the at least one first recommendation to the configuration. The method includes executing the application. The method further includes measuring an actual performance of the application in relation to the event streaming platform. The method also includes generating at least one second recommendation based on the actual performance of the application that fine-tunes a corresponding one of the at least one first recommendation.

Abstract: A method for controlling flight of an unmanned aerial vehicle, includes receiving a data file indicating flight restriction level and range of an airport area in an airport generated according to a risk level of the airport, parsing the data file to obtain the flight restriction level and the range of the airport area, and controlling the unmanned aerial vehicle to execute a flight restriction strategy according to the flight restriction level and the range of the airport area.

Abstract: A semiconductor device includes: a protruding conductive structure that protrudes to a height from a first surface of the semiconductor device; and a first passivation layer, the first passivation layer overlaying the protruding conductive structure by a first thickness, the first passivation layer overlaying the first surface by a second thickness greater than the first thickness, wherein the first passivation layer is planar at a top surface over the first thickness and the second thickness.