Abstract: A reactor for use with a media and a standard microtiter well plate having a top surface and a well with a side wall, a bottom portion, and a transparent bottom, and a target substance at the bottom of the well. The reactor has a support layer with a lower surface that extends substantially parallel to the top surface of the well plate. A perfusion plug extends outward from the lower surface of said support layer. The perfusion plug has a distal end that is at a distance from the bottom of the well to form a bottom flow channel at the bottom portion of the well. An inlet channel extends through the support layer and through or around the perfusion plug. The inlet channel is in fluid communication with the bottom flow channel. An outlet channel extends through said support layer and through or around the perfusion plug, the outlet channel in fluid communication with the bottom flow channel.

Abstract: Provided is a dynamic time warping (DTW)-based real-time diagnosis method for a commutation failure (CF). The method includes: designing a time series template S0 containing a change of a firing angle of a phase-controlled rectifier, and having a length n and a Euclidean distance L; using an n*n matrix M to represent a Euclidean distance between each point in the S0 and each point in the Si, and constricting the matrix M with an Itakura window; calculating values of the matrix M in the search range H; setting different weights for data at different locations, and searching a shortest path L* from point (x1, y1) to point (xn, yn) of the matrix; and setting a range of the distance L of the S0 as ?, determining that the CF fault occurs if the L* is greater than ?L, or otherwise, determining that a system works normally.

Abstract: A bullet-screen comment display method and apparatus are provided. The bullet-screen comment display method includes: receiving a to-be-displayed bullet-screen comment; determining a target bullet-screen comment display layer and a target bullet-screen comment display track that are associated with the to-be-displayed bullet-screen comment; and displaying, in the target bullet-screen comment display layer, the to-be-displayed bullet-screen comment based on the target bullet-screen comment display track.

Abstract: A method for preparing a shell-bionic ceramic tool and a shell-bionic ceramic tool, wherein the shell-bionic ceramic tool includes alternating stacks of ceramic powders with different components, pressing a ceramic green body using a cold briquetting method, carrying out pre-pressing once using a graphite indenter on a working surface thereof after each layer of the ceramic powder being loaded, and pressing a last layer using a graphite rod, and then pressing a whole ceramic green body with a certain pressure to promote a bonding of the layers of ceramic powder, which in turn gives a complex shape to an interface between the layers, increases a bonding area between the layers, and plays the role of hindering crack expansion, extending the crack expansion path, and improving the bonding strength of the interface; after then, hot-pressed sintering is used to densify the ceramic green body to obtain the shell-bionic ceramic tool.

Abstract: The present disclosure provides a device control method and apparatus, a device, and a storage medium. The method comprises: in the running process of a target application program, if it is determined that device use time information of the current user meets a preset blocking trigger condition, displaying a preset blocking page on the current running interface of the target application program, wherein the preset blocking page is used for blocking a trigger operation for the current running interface, and an authentication control is provided on the preset blocking page; in response to a trigger operation for the authentication control, authenticating the current user; and once it is determined that the authentication of the current user succeeds, closing the preset blocking page.

Abstract: A method of modeling fluid flow dynamics in a reservoir system, includes receiving observed data for the reservoir system; generating a plurality of model parameters in an initial fluid system model for the reservoir system; performing a plurality of reservoir simulations to determine a well response for the plurality of model parameters; generating a target response using the updated fluid system model for a forecast period; generating a machine learning (ML) model to correct a discrepancy between the target response and the observed data for the forecast period; and determining, using the ML model, a corrected target response for the forecast period.

Abstract: The present invention relates to metallic nanostructures (e.g., Cu) on unconventional-phase TMDs, and an electrochemical method for the controlled growth of various Cu nanostructures, including single-atomically dispersed Cu (s-Cu), amorphous Cu (a-Cu) nanoclusters, and crystalline Cu (c-Cu) nanoparticles on 1T? WS2 nanosheets. This method enhances the efficiency and selectivity of catalysts for the electrochemical upcycling of nitrate water into ammonia, achieving a Faradaic efficiency (FE) of at least 98% for ammonia at ?0.8 V vs. RHE. Investigations reveal that the high performance arises from the synergistic cooperation between Cu sites and 1T? WS2 supports, facilitating efficient hydrogenation and ammonia production. The Cu/1T? TMDs nanostructures are versatile and can be applied in various catalytic fields.

Abstract: Provided are a method for generating a multi-agent adversarial policy based on a heterogeneous relationship and a related apparatus. The method includes: constructing, based on a heterogeneous relationship between agents and a spatial topology structure of each agent, a situation relationship diagram of each agent. A local situation information fusion vector of the agent is determined based on the situation relationship diagram of the agent. Finally, a proper adversarial policy is made, based on the local situation information fusion vector of the agent by utilizing a pre-trained adversarial policy generation model of the agent. On the basis of the spatial topology structure, the heterogeneous relationship between agents is taken into consideration to generate the situation relationship diagram, so that the adversarial strategy generation model can have a better understanding of a situation relationship between agents, and adapt to a gaming situation dynamic change condition between agents.

Abstract: A storage controller, a data reading method and a storage device. data reading method: identifying a plurality of logical addresses corresponding to files based on file read commands; determining a plurality of mapping tables corresponding to files based on logical addresses; loading a first mapping table corresponding to a first file to a first memory section of a buffer memory; identifying one or more second logical addresses of one or more second files corresponding to first mapping table among files or than first file; determining target content of first mapping table based on one or more second logical addresses, and copying target content to a second memory section of buffer memory; and from target content, finding a fourth physical address corresponding to a fourth logical address of a fourth file among second files, to read fourth data of fourth file, so as to respond to a fourth file read command.

Abstract: Provided is a display panel, including: a base substrate including at least one side region and a display region; pixel units in the display region; a terminal located in the side region on the base substrate; a first wire on the base substrate, having one end electrically connected to the terminal and the other end electrically connected to a pixel driving circuit; a second wire on the base substrate, having one end electrically connected to the terminal, the second wire extends in a direction from the terminal to a side edge of the base substrate. The display panel includes a first conductive layer, a first planarization layer, a second conductive layer and a second planarization layer sequentially provided on the base substrate. An orthographic projection of the terminal on the base substrate is spaced apart from orthographic projections of the first and second planarization layers on the base substrate.

Abstract: There are provided systems and methods relating to checking and confirming merchandise purchased at shopping facilities. In one form, the system includes: a shopping cart containing merchandise items to be purchased; a sales transaction database; a point-of-sales system that creates transaction records identified by transaction identifiers; and a mobile device used by an employee that includes a sensor to scan a paper or digital receipt to obtain the transaction identifier and a camera to capture images of the items in the shopping cart. The system also includes a control circuit that receives the transaction identifier, accesses the database using the identifier to determine the purchased items; analyzes the images of the merchandise items in the shopping cart and creates a computer vision receipt listing detected items; compares the purchased items with the detected items; and takes an action if there is a discrepancy.

Abstract: An antenna and its fabrication method, and a display device are provided. The antenna includes a substrate, a radiation electrode, a first dummy electrode, and a feed line. The radiation electrode, the first dummy electrode, and the feed line are disposed on the substrate. The feed line is coupled and connected to the radiation electrode. The first dummy electrode and the radiation electrode are adjacent but not connected to each other. Along a first direction, an orthographic projection of the radiation electrode to a plane where the substrate is located is a first projection, and an orthographic projection of the first dummy electrode to the plane where the substrate is located is a second projection. There is a first interval between the first projection and the second projection; and the first direction is perpendicular to the plane where the substrate is located.

Abstract: The invention includes a mutant T7 DNA ligase or a biologically active fragment thereof, which has greater activity than wild type T7 DNA ligase. The mutant T7 DNA ligase, or the biologically active fragment, has one or more substitutions differing from the wild type, as described more fully in the Summary. The preferred mutant T7 DNA ligase has at least one of the following mutations: E63K (SEQ ID NO:4), K73E (SEQ ID NO:6), K137E (SEQ ID NO:7), K174E (SEQ ID NO:9), E182K (SEQ ID NO:11), K210E (SEQ ID NO: 13), E243K (SEQ ID NO:15), D245R (SEQ ID NO: 17), E268K (SEQ ID NO:19), E272K (SEQ ID NO:21), E289K (SEQ ID NO:23), K295E (SEQ ID NO:25) and D336R (SEQ ID NO:27).

Abstract: A video decoding method, includes: performing following processes when neural network based loop filtering (NNLF) is performed on a reconstructed picture: responsive to that NNLF enables residual offset, performing NNLF on the reconstructed picture; where performing NNLF on the reconstructed picture includes: decoding a residual offset usage flag roflag of the reconstructed picture, where the roflag is used to indicate whether residual offset needs to be performed when NNLF is performed on the reconstructed picture through a filter for NNLF; and performing NNLF on the reconstructed picture using a first mode in response to determining, according to the roflag, that residual offset does not need to be performed, or performing NNLF on the reconstructed picture using a second mode in response to determining, according to the roflag, that residual offset needs to be performed.

Abstract: A method for predicting machined surface roughness of parts based on attention and transfer learning is provided.

Abstract: Provided is a generalization generation method of industrial robot pose trajectories supporting changeable operation path points, which relates to the field of robot trajectory planning. The method includes: acquiring a plurality of groups of robot end pose trajectories; aligning time steps of the pose trajectories via a multi-dimensional dynamic time warping algorithm; constructing a Gaussian mixture model of robot pose trajectories in combination with a variational Bayesian method and an attitude quaternion tangent space mapping method; calculating reference pose trajectory distribution via a Gaussian mixture regression method; performing kernelized representation on pose trajectory distribution, and solving an optimal hyperparameter of a kernel function by minimizing a root mean square error of a reproduced reference trajectory; and generating the robot end pose trajectories adapted to the operation path points by updating the reference pose trajectory distribution.

Abstract: A method for predicting a thermal error of a spindle of a computer numerical control (CNC) machine tool based on twin feature transferring of a virtual-real prototype, is provided, including: first, building a spindle physical prototype experiment table, and screening temperature sensitive points outside the physical prototype spindle, so as to establish an autoregressive distributed lag model; second, determining a temperature synchronization lag point on the physical prototype spindle corresponding to the temperature sensitive point outside the physical prototype spindle, so as to construct a thermal error analysis model; thereafter, establishing a virtual prototype and transferring the twin feature of the physical prototype, and by integrating a twin coupling relationship between the physical prototype spindle and the virtual prototype spindle, realizing the thermal error prediction.

Abstract: A video coding method and a storage medium are provided. In terms of performing NNLF on a reconstructed picture, an encoding end can select an optimal mode from a chroma fusion mode and other modes to perform NNLF and set a corresponding flag, where an NNLF model used in the chroma fusion mode is trained using training data obtained by adjusting chroma information.

Abstract: A rotor for an interior permanent magnet motor, an interior permanent magnet motor, and a compressor includes a rotor core, a plurality of U-shaped permanent magnet accommodating grooves, a plurality of first air grooves, and a plurality of first recesses, wherein the plurality of U-shaped permanent magnet accommodating grooves are arranged inside the rotor core at intervals; the plurality of first air grooves are provided outside the ends of the U-shaped permanent magnet accommodating grooves; and each first air groove is located on an extension line of the end of the corresponding U-shaped permanent magnet accommodating groove and is close to the outer contour of the rotor so as to form a plurality of first magnetic isolation bridges.

Abstract: A method for preparing a high viscosity index poly-?-olefin subjects ?-olefin to a polymerization reaction in the presence of a metallocene catalyst to obtain a poly-?-olefin. The polymerization reaction is carried out in the absence of a solvent, and the metallocene catalyst is formed of, or is formed by interaction between, a metallocene compound and an activator.