Abstract: The present invention relates to the field of biomedicine, to an improved T cell receptor-costimulatory molecule chimera, in particular to a T cell receptor (TCR) or TCR complex comprising a costimulatory molecule, a T cell comprising the TCR or TCR complex, and the use thereof.

Abstract: Embodiments of the disclosure disclose a store system, and a method and an apparatus for processing information of clothing items for try-on. The store system comprises: a first device, deployed in a back warehouse area of a store and configured to obtain corresponding relationship between a user and information of one or more clothing items for try-on; and provide preparation prompt information based on the corresponding relationship to prepare the one or more clothing items for the user; and a fitting room, the fitting room comprising a first door and a second door, the first door configured for the user to enter and exit the fitting room, and the second door configured for delivering the one or more clothing items for try-on corresponding to the user from the back warehouse area to the fitting room.

Abstract: Provided are certain triazolopyridines and triazolopyrazines, compositions thereof and methods of use therefor.

Abstract: The invention provides a method for preparing pyrrolidone, and the invention provides a method for catalytically preparing pyrrolidone with ?-aminobutyric acid in the presence of carnitine-CoA ligase CaiC. The carnitine-CoA ligase CaiC has an amino acid sequence as shown in SEQ ID NO:1. The ligase has catalytic activity in the cyclization of ?-aminobutyric acid to produce pyrrolidone. The carnitine-CoA ligase provided in the present invention affords a yield of pyrrolidone of 3.26 g/L and a molar yield of 39.53% in 24 h when ?-aminobutyric acid is used as a substrate, thus reducing the production period, improving the production of pyrrolidone, and accelerating the industrialization process of producing pyrrolidone by enzymatic conversion method.

Abstract: Embodiments of the present disclosure relate to a solution for translation verification and correction. According to the solution, a neural network is trained to determine an association degree among a group of words in a source or target language. The neural network can be used for translation verification and correction. According to the solution, a group of words in a source language and translations of the group of words in a target language are obtained. An association degree among the group of words and an association degree among the translations can be determined by using the trained neural network. Then, whether there is a wrong translation can be determined based on the association degrees. In some embodiments, corresponding methods, systems and computer program products are provided.

Abstract: The disclosure relates to technology for determining vehicle environment interaction metrics and/or passenger behavioral metrics for autonomous vehicles in a driving environment. A group of one or more autonomous vehicles independently determine a VEI score for a target vehicle within a predefined vicinity of the group of one or more vehicles. A target vehicle may determine a VPB score based on passengers within the target vehicle. VEI scores and/or VPB scores determined for a target vehicle may be used by the target vehicle to reinforce and/or correct driving actions of the target vehicle.

Abstract: A battery pack, comprising a first cell and a second cell connected in series, the first cell having a current cut-off device and having a first failure voltage, the current cut-off device being configured to be able to break a circuit in response to a voltage value of the first cell reaching or exceeding the first failure voltage, and the second cell having no current cut-off device. The battery pack may use a soft pack battery as the second cell, having advantages such as high energy density, low impedance, high discharge power, a low rate of temperature rise during high-rate discharge, and flexibility in dimensions.

Abstract: According to an aspect, a computer-implemented method includes accessing a profile of a user that indicates a likelihood that the user will execute each of a plurality of types of processing when training a new AI model. A runtime matrix that includes identifiers of runtime environments is accessed. The matrix also includes, for each of the runtime environments, a frequency of use of the runtime environment to train previously trained AI models using each of the plurality of types of processing. One or more of the runtime environments is selected for output to the user based at least in part on the profile of the user and the runtime matrix. Identifiers of the selected one or more of the runtime environments are output to a user interface of the user along with a suggestion to use one of the selected one or more of the runtime environments.

Abstract: Disclosed are an image matching method and apparatus. The image matching method is inclusive of steps of obtaining a panoramic image of at least one subspace in a 3D space and a 2D image of the 3D space; acquiring a 2D image of the at least one subspace in the 3D space; performing 3D reconstruction on the panoramic image of the at least one subspace, and procuring a projection image corresponding to the panoramic image of the at least one subspace; and attaining a matching relationship between the panoramic image of the at least one subspace and the 2D image of the at least one subspace, and establishing an association relationship between the panoramic image of the at least one subspace and the 2D image of the at least one subspace between which the matching relationship has been generated.

Abstract: The present application relates to a laser cutting head with a variable spot trajectory shape and a cutting process, belonging to the field of laser cutting processing. The technical solution is that a laser cutting head with a variable spot trajectory shape includes a beam shaper, a trajectory control assembly and a focusing assembly that are successively arranged in an optical path direction; the trajectory control assembly includes a reflecting lens, an X-axis galvanometer and a Y-axis galvanometer; a rotation axis of the X-axis galvanometer is a vertical axis; a rotation axis of the Y-axis galvanometer is a horizontal axis; a reflection surface of the reflecting lens is opposite to a reflection surface of the X-axis galvanometer, and a reflection surface of the Y-axis galvanometer is opposite to the reflection surface of the X-axis galvanometer.

Abstract: A vertical semiconductor structure with an integrated sampling structure and a method for manufacturing the same; the vertical semiconductor structure includes a vertical-semiconductor-structure unit cell, a sampling unit cell, a control electrode, a first electrode, a second electrode, and a sampling electrode. The sampling electrode performs real-time sampling of a voltage difference between the first electrode and the second electrode; a PN junction is formed between a first/second P-type diffusion region and a second N-type base region, which forms a potential barrier blocking electron emission from the sampling electrode. Therefore, a voltage signal of the sampling electrode is input into a protection circuit, which detects whether the vertical-semiconductor-structure unit cell is desaturated when it determines that the unit cell is in the open state. Second, a sampling resistor is connected between the sampling electrode and the first electrode to ensure the stable operation of the sampling unit cell.

Abstract: Embodiments are disclosed for a compensating circuit for a boost circuit that outputs a voltage that is a function of a voltage signal. In one or more examples, the compensation circuit may include a gain that is adjustable in proportion to voltage output of the boost circuit and inversely proportionate to input current to the boost circuit.

Abstract: Embodiments of the present disclosure provide a message pushing method for a virtual gift and an electronic device. The method includes: when a virtual gift is received in a live broadcast room, determining a live broadcast room area to which a notification message is pushed, where the notification message is used to inform all live broadcast rooms in the live broadcast room area that the virtual gift is received; and pushing the notification message to the live broadcast room in the live broadcast room area respectively. The embodiments of the present disclosure implement rich methods for posting notification information about the receipt of the virtual gift, thereby improving user experience.

Abstract: The present disclosure discloses a stable and high-capacity neutral aqueous redox flow lithium battery based on redox-targeting reaction and belongs to the technical field of flow lithium batteries. The present disclosure solves the technical problem that an existing flow battery can only work at low current density. The flow lithium battery of the present disclosure includes a positive electrode storage tank and a negative electrode storage tank; the positive electrode storage tank is filled with a positive electrolyte; and the negative electrode storage tank is filled with a negative electrolyte. The flow lithium battery is characterized in that the positive electrolyte includes a salt containing [Fe(CN)6]4? and/or [Fe(CN)6]3?, and the positive electrode storage tank is further filled with LFP particles and/or FP particles. The flow lithium battery of the present disclosure has wide application prospects in the field of large-scale energy storage.

Abstract: Disclosed is a signal measurement method for an energy storage and frequency modulation system. An energy management system consisting of a microgrid controller, an energy management server, a workstation, and a network device is provided. The beneficial effects of the present invention are: a high-voltage auxiliary transformer based on an energy storage system connected to a power plant is used as the auxiliary output device of a generator set to satisfy the requirements of auxiliary frequency regulation, improve the response index Kp value of a power plant set to a dispatch AGC instruction, implement the sending and receiving of a signal after the energy storage system is connected, and achieves the goal of frequency modulation operation of an auxiliary energy storage set without greatly transforming an RTU.

Abstract: Provided are a binding band assembly for a headset and a headset. The binding band assembly includes: a housing in which a rotatable gear is provided; a first binding band and a second binding band each provided with a rack meshed with the gear to drive the first binding band and the second binding band to move towards or away from each other when the gear rotates; a transmission member provided in the housing and fixedly connected to the gear; and a rotation control member provided on the housing and having a toggle portion, a rolling member being provided between the toggle portion and the transmission member, and the toggle portion being configured to drive, by pushing the rolling member to roll, the transmission member to rotate.

Abstract: The present disclosure relates to a wavelength selective switching apparatus and a related method thereof. The apparatus includes: at least one input port and a plurality of output ports; a dispersion assembly, configured to respectively disperse a received first-band optical signal and a received second-band optical signal into a plurality of first optical sub-signals and a plurality of second optical sub-signals in a dispersion plane; a first-band filter, configured to reflect the plurality of first optical sub-signals and transmit the plurality of second optical sub-signals; and a light redirection device, configured to make each of a plurality of sub-band optical signals to be emitted toward the first-band filter in a redirected manner. In a port plane, a plurality of optical sub-signals are respectively incident to the first-band filter at an incidence angle within a first predetermined angle range in a backward propagation direction.

Abstract: A contact lens is provided and includes a lens body and an embedded structure embedded in the lens body. The lens body includes a cornea portion and a sclera portion surrounding the cornea portion, and a connection boundary between the cornea portion and the sclera portion has an inner diameter within a range from 11.5 mm to 12.3 mm. The cornea portion defines a layout boundary spaced apart from the connection boundary by a distance within a range from 3.8 mm to 4.2 mm. The embedded structure is arranged outside of the layout boundary, and has a three-dimensional (3D) carrier. The 3D carrier has at least one oxygen permeable channel having a central angle of 360 degrees. Along a top-down direction, at most 70% of an area of an annular layout region between the layout boundary and the connection boundary is shielded by the embedded structure.

Abstract: The present invention provides an improved structure for a children bounce chair, comprising a base module, two telescopic support assemblies, a plurality of bounce assemblies and a table and chair module, wherein the telescopic support assemblies are assembled on the base module, one end of the bounce assemblies is respectively assembled on the corresponding telescopic support module, and the other end of the bounce assembly is respectively assembled on the table and chair module, so that the children bounce chair can be easily assembled, used or disassembled and stowed.