Abstract: Provided is an IGBT device belonging to the technical field of semiconductor power devices. The IGBT device includes an n-type semiconductor layer, several p-type body regions located in the n-type semiconductor layer, a gate trench located in the n-type semiconductor layer and between adjacent p-type body regions, a gate trench located in the n-type semiconductor layer and between adjacent p-type body regions, a shielded gate located in a lower part of the gate trench, and a gate located in an upper part of the gate trench. The gate, the shielded gate, and the n-type semiconductor layer are insulated and isolated from each other. Among the several p-type body regions, at least one p-type body region has a first doping concentration and is defined as a first p-type body region, and at least one p-type body region has a second doping concentration and is defined as a second p-type body region.

Abstract: Provided are CD40 agonist antibodies which have greatly higher CD40 activation activity in the presence of concurrent tumor-associated antigen (TAA) binding than without such concurrent binding. Such TAA-dependent CD40 agonism results in greatly improved therapeutic index, reducing or totally eliminating adverse events commonly associated with CD40 activation, such as cytokine release syndrome or liver toxicity. Also provided are bi- and multi-specific antibodies and polypeptides, such as chimeric antigen receptors, that incorporate these antibodies, optionally with an anti-TAA unit. Methods of using the antibodies or polypeptides for treating and diagnosing diseases such as cancer are also provided.

Abstract: A bridge drive system, including a housing, a motor, a speed reduction mechanism, and a shaft assembly. The housing has first and second spaces separated from each other. The motor is in the first space, and the speed reduction mechanism is in the second space. The shaft assembly has an oil inlet and an oil outlet which are both located in the second space. An oil passage extending from the oil inlet into the first space and then returning to the oil outlet is formed inside the shaft assembly so that oil from the second space can flow from the oil inlet into the oil passage to cool a rotor and then return to the second space from the oil outlet. In this way, the cooling performance of a motor is improved, improving its performance and reducing heat resistance requirements of each component.

Abstract: A super junction semiconductor power device includes an n-type drain region, an n-type drift region, multiple p-type columns, and two gate trenches. The n-type drift region is located on the n-type drain region. The multiple p-type columns have the same width. The spacing between two adjacent p-type columns is the same. A first p-type body region is disposed on the top of each p-type column. The first p-type body region is provided with a first n-type source region. Two gate trenches are between two adjacent first p-type body regions. The spacing between the two gate trenches has at least two different spacing values. The widths of the two gate trenches between the two adjacent first p-type body regions are the same. Each gate trench is provided with a gate dielectric layer and a gate.

Abstract: A high-throughput 3D printing system for preparing multi-component, small sized samples, includes a raw material supply module, providing a various kinds of metal powders for printing small sized samples; the first mixer module, mixing the metal powders obtained from the raw material supply module to generate the first blended metal powders; the second mixer module, mixing the first mixed metal powders, in order to generate the second blended metal powders for printing small sized samples; the first printing module, printing the secondary blended metal powder into a small-sized sample; a control module, controlling other functional modules of the high-throughput 3D printing system for generating small-size samples.

Abstract: A magnetic resonance imaging system and method, and a computer-readable storage medium are provided. The magnetic resonance imaging method includes: acquiring a plurality of k-space data sets by using a plurality of imaging sequences, each imaging sequence comprising a pre-phase-dispersion gradient pulse and a plurality of phase encoding gradients applied after the pre-phase-dispersion gradient pulse, wherein the pre-phase-dispersion gradient pulses of the plurality of imaging sequences have a standard area difference therebetween when ordered according to area values; respectively reconstructing magnetic resonance images from the respective k-space data sets; and averaging amplitudes of the magnetic resonance images to generate a magnetic resonance image of an average amplitude.

Abstract: In a data backup method performed in a storage system having multiple storage devices, a first storage device having a first LUN queries data consistency points from a second storage device that has a second LUN which has an active-active relationship with the first LUN. The second storage device obtains the data consistency points based on the IO data status record of the first LUN and an IO data status record of the second LUN stored in the second storage device, and provides the data consistency points to the first storage device. The first storage device then creates a snapshot for the first LUN based on the data consistency points, provides differential data between the current snapshot and a previous snapshot, and stores the differential data in the backup storage device.

Abstract: Embodiments of the disclosure provide an antenna filter unit and a radio unit. The antenna filter unit includes a radiation unit and a cavity filter coupled to the radiation unit. The radiation unit is arranged on an outer side of a wall of a cavity of the cavity filter. At least a part of the wall is also arranged as a reflection plate for the radiation unit. The radio unit includes the above-mentioned antenna filter unit and a radio circuit board. According to the antenna filter unit and the radio unit provided by embodiments of the disclosure, the number and volume of elements in a radio system are reduced, the degree of integration can be improved, the weight and installation space are reduced, and the costs are reduced.

Abstract: The present disclosure provides methods and systems for assessing a pipeline failure based on a smart gas Internet of Things (IoT). The method is implemented by a smart gas safety management platform of an IoT system for smart gas pipeline network safety management, and the method includes obtaining at least one first failure risk in a gas pipeline and a downstream user feature, generating a plurality of candidate gas processing schemes based on the at least one first failure risk, and determining at least one second failure risk based on the at least one first failure risk and at least one of the candidate gas processing schemes.

Abstract: A display panel includes a sub-pixel array and a plurality of photosensitive units. The sub-pixel array includes a first sub-pixel, a second sub-pixel and a third sub-pixel that are capable of emitting light of different colors. The plurality of photosensitive units are disposed under gaps of the sub-pixel array. Each of the plurality of photosensitive units includes a photosensitive device, and the photosensitive device includes a photosensitive layer; and an orthographic projection of the photosensitive layer in the photosensitive device on a panel surface of the display panel has overlapping regions with orthographic projections of the first sub-pixel, the second sub-pixel and the third sub-pixel on the panel surface of the display panel.

Abstract: This application provides a service sharing method and system, and an electronic device. The method includes: A first device may display a chat interface with a first contact, where the chat interface includes an input box for a chat message. If it is detected that a user inputs a preset symbol into the input box, the first device displays a first device list. If it is detected that the user selects a second device from the first device list, the first device displays a service list provided by the second device, where the service list includes one or more services provided by the second device. If it is detected that the user selects a first service from the service list, the first device sends a first chat message in the chat interface, where the first chat message includes first service content corresponding to the first service selected by the user.

Abstract: The invention relates to novel methods and compositions for conferring tolerance to glyphosate to plants. The invention also provides glyphosate-tolerant plants, seeds, tissue, cells, and plant parts comprising modified EPSP synthases and recombinant DNA molecules encoding modified EPSP synthases, as well as methods of producing the same and the use thereof.

Abstract: A method and an apparatus for controlling an Android app, and a terminal device are provided, and relate to the field of computer control technologies. According to the method, the Windows terminal device may create shortcuts for an Android app in common control areas, that is, in a start menu and settings and on a control panel and a desktop, by using an Android simulator platform. In this way, it is convenient for a user to perform an operation, for example, a viewing, starting, uninstallation, or changing operation, on the Android app at a corresponding shortcut location of the Windows terminal device.

Abstract: A disclosed example includes setting a corrected error threshold value for a memory rank; recording, in a corrected error bank record memory structure, corrected errors for memory banks in the memory rank; maintaining, in the corrected error bank record memory structure, counts of the corrected errors for the memory banks; and notifying runtime error handling circuitry in response to at least one of the counts of the corrected errors satisfying a threshold value.

Abstract: A gas delivery assembly and gas-phase reaction apparatus; the gas delivery assembly includes an internal gas delivery assembly in a central region of the gas delivery assembly and a peripheral gas delivery assembly surrounding the central region. The peripheral gas delivery assembly includes tubular channels and annular grooves communicating with the tubular channels to allow gas outflow from the tubular channels; for some tubular channels, there exists a non-zero angle ? between the main axis and a projection of its tube axis on the tangent plane with respect to the main axis, so that the gas outflow from the peripheral gas delivery assembly constitutes a rotary gas flow, and the rotation direction of the rotary gas flow is the same as that of the susceptor during reaction, thereby suppressing or eliminating vortices.

Abstract: A fast calibration test system and method for a phased-array antenna, which belongs to the technical field of antenna measurement, relates to a near-field test system, and relates in particular to the fast calibration and a directional diagram test on a phased-array antenna.

Abstract: The present disclosure provides a microfluidic substrate, a microfluidic chip and a detection method. The microfluidic substrate according to the present disclosure includes a first substrate, and a plurality of droplet detecting elements on the first substrate and in an array. Each of the plurality of droplet detecting elements includes an ultrasonic conversion device and a voltage detecting element, the ultrasonic conversion device is configured to generate ultrasonic wave according to a first electric signal, receive a reflected ultrasonic wave, and convert the reflected ultrasonic wave into a second electric signal; and the voltage detecting element is configured to detect the second electric signal and determine whether a droplet exists at a position where the droplet detecting element is located based on the second electric signal.

Abstract: This application provides a data transmission method and an apparatus, to improve resource utilization. The method includes: A first node obtains reference information, where the reference information includes information about a first subcarrier spacing and information about a first backhaul resource. The first node transmits data on a second backhaul resource by using a second subcarrier spacing, where the second backhaul resource includes one or more sub-resources, each of the one or more sub-resources includes M resource units, M is an integer greater than 1, M is determined based on the first subcarrier spacing and the second subcarrier spacing, the second subcarrier spacing is greater than the first subcarrier spacing, and the second backhaul resource is a subset of the first backhaul resource.

Abstract: A non-contact non-destructive testing method includes spatially and/or temporally controlling a laser excitation light based on a predetermined pattern. The laser excitation light is projected onto a surface of a test object to generate acoustic waves on the test object. The acoustic waves apply stress loading to the test object. The method also includes imaging the test object with and without stress loading using shearography imaging, and analyzing shearography imaging data to determine a presence of a defect in the test object.