Abstract: The present disclosure provides a semiconductor device and a manufacturing method therefor. The method includes: providing a semiconductor structure, the semiconductor structure including a semiconductor substrate, a gate disposed on the semiconductor substrate, and an interlayer dielectric layer covering the semiconductor substrate and the gate; wherein the semiconductor structure further includes a first source/drain region and a second source/drain region; defining first connecting holes and at least one first air hole on the first source/drain region and/or the second source/drain region; wherein at least one first air hole is arranged between each adjacent two first connecting holes in an X direction and/or a Y direction, the X direction being a gate length direction, the X direction being perpendicular to the Y direction; sealing each first air hole to define a first cavity in the first air hole; and filling each first connecting hole with a conductive material.

Abstract: Disclosed are a display substrate and a manufacturing method therefor, and a display device. The display substrate comprises: a substrate base, and an active layer, a gate insulating layer, a first metal film layer, an interlayer insulating layer, a second metal film layer, and a passivation layer stacked in sequence on the substrate base. The first metal film layer comprises a pattern of a gate and a gate line. The second metal film layer comprises a pattern of a source/drain and a data line. The gate line and the data line are partially arranged opposite to each other. An oxide metal layer is provided on the surface of the side of the region of the gate line opposite to the data line facing the data line.

Abstract: A display substrate including a drive-circuit layer and a light-emitting structure layer, a preparation method thereof, and a display device, the light-emitting structure layer includes an anode, a pixel definition layer, an organic light-emitting layer and a cathode, and an auxiliary electrode and an organic light-emitting block, arranged sequentially, the pixel definition layer includes an anode opening exposing the anode and an electrode opening exposing the auxiliary electrode, the organic light-emitting block is separated from the organic light-emitting layer, the auxiliary electrode includes the first, second and third auxiliary electrodes arranged sequentially; the cathode includes a first horizontal lapping part lapping with the first auxiliary electrode and a second sidewall lapping part lapping with the second auxiliary electrode, the thickness of the second sidewall lapping part in the direction parallel to the substrate is greater than that of the first horizontal lapping part in the direction per

Abstract: A high-frequency transformer, includes: an iron core, primary windings and secondary windings, wherein the iron core is of an integrated equilateral triangle structure, the primary windings and the secondary windings are uniformly wound around three sides of the iron core, and the primary windings and/or the secondary windings are symmetrically distributed on the three sides.

Abstract: An ultrasound imaging system may acquire an image of a liver. The liver may be segmented from the image. Parameters, such as image homogeneity map, intensity probability chart, and/or speckle size diagram, may be extracted from the liver portion of the image. The parameters may be used to determine whether fatty liver deposits are diffuse or inhomogeneous. In some examples, inhomogeneous regions may be excluded from the calculation of liver fat quantification measurements. In some examples, the inhomogeneous regions may be displayed so that a user may select a region of interest that excludes the inhomogeneous regions to calculate the liver fat quantification measurements.

Abstract: A logistics transport box is provided, and it relates to the technical field of packaging boxes. The logistics transport box includes a box body, a placement assembly, and an installation assembly. The installation assembly includes support components and sliding vibration-damping components. The support components include sliding rails vertically disposed at four inner corners of the box body. The sliding vibration-damping components include upper sliding blocks, lower sliding blocks, upper fixing blocks, and lower fixing blocks. A spring piece is disposed between each of the sliding blocks and a corresponding one of the fixing blocks. The placement assembly includes covering components and connecting components, the covering components include an upper film and a lower film which are oppositely disposed.

Abstract: Disclosed a method for predicting permeability of a multi-mineral phase digital core based on deep learning. In the present disclosure, a three-dimensional digital core is constructed and a pore structure is randomly generated; after a plurality of multi-mineral digital core images is acquired by performing image segmentation on the three-dimensional digital core, permeability corresponding to each of the multi-mineral digital core images is acquired by simulation using multi-physics field simulation software and a multi-mineral digital core data set is constructed based on the plurality of multi-mineral digital core images and the permeability corresponding to each of the multi-mineral digital core images; an SE-ResNet18 convolutional neural network is constructed and trained with the multi-mineral digital core data set; and an image of a multi-mineral core to be predicted is input into the trained SE-ResNet18 convolutional neural network to determine the permeability of the multi-mineral core.

Abstract: Techniques for multi-view video streaming are described in the present disclosure, wherein a viewport prediction may be employed at a client-end based on analysis of pre-fetched media item data and ancillary information. A streaming method may first prefetch a portion of content of a multi-view media item. The method may next identify a salient region from the prefetched content and may then download additional content of the media item that corresponds to the identified salient region.

Abstract: System and method for providing at least an output current to one or more light emitting diodes. The system includes a control component configured to receive at least a demagnetization signal, a sensed signal and a reference signal and to generate a control signal based on at least information associated with the demagnetization signal, the sensed signal and the reference signal, and a logic and driving component configured to receive at least the control signal and output a drive signal to a switch based on at least information associated with the control signal. The switch is connected to a first diode terminal of a diode and a first inductor terminal of an inductor. The diode further includes a second diode terminal, and the inductor further includes a second inductor terminal.

Abstract: The present disclosure provides a data processing apparatus and related products. The products include a control module including an instruction caching unit, an instruction processing unit, and a storage queue unit. The instruction caching unit is configured to store computation instructions associated with an artificial neural network operation; the instruction processing unit is configured to parse the computation instructions to obtain a plurality of operation instructions; and the storage queue unit is configured to store an instruction queue, where the instruction queue includes a plurality of operation instructions or computation instructions to be executed in the sequence of the queue. By adopting the above-mentioned method, the present disclosure can improve the operation efficiency of related products when performing operations of a neural network model.

Abstract: A device for removing unwanted objects from cut tobacco in a cut tobacco production line is disclosed, which includes: a raw cut tobacco feeding and conveying unit (N1), a heavy unwanted object removal unit (N2), a cut tobacco dispersion and recovery unit (N3), a moderate unwanted object removal unit (N4), a cut tobacco humidification unit (N5) and a light unwanted object removal unit (N6). An unwanted object removal method using the cut tobacco unwanted object removal device is also disclosed. The device and method of the disclosure can effectively remove unwanted objects from cut tobacco.

Abstract: The invention provides a method for evaluating deep-buried tunnel blasting parameters, and belongs to the technical field of mine engineering. The method comprises: setting multiple diverse blasting schemes; selecting a plurality of test sections with the same geological characteristics, the number of the test sections corresponding to the number of the blasting schemes; blasting the test sections using the blasting schemes, and obtaining diversified monitoring data of each test section; and comparing the diversified monitoring data to select the optimal blasting schemes for the test sections. According to the method for evaluating the deep-buried tunnel blasting parameters, by implementing different blasting schemes in test sections with the same geological characteristics, diversified monitoring data of the test sections are obtained and compared to select the optimal blasting schemes for the test sections, so as to ensure the safety and quality of blasting excavation of deep-buried tunnels.

Abstract: A method for controlling a device for automatically adjusting an airway opening body position is provided. The device includes a horizontal base plate, a head support block, a back support plate, a neck support apparatus, a head cover assembly, and a programmable logic controller (PLC). The neck support apparatus is positioned between the head support block and the back support plate. The PLC is configured to controls a stroke of an electric cylinder according to the following equations: ?=1.235?+?, and ?=KX+B+C, where ? is a body position angle, the body position angle is an angle between a positive projection line of a connecting line from a mandibular angle to an external acoustic meatus on a symmetrical surface of a human body and the back support plate, and ? is a preset value ranging from 90° to 100°.

Abstract: A product line testing method includes acquiring identity information of at least one to-be-tested product and identity information of a current testing station; acquiring target testing station information of the at least one to-be-tested product according to the identity information of the at least one to-be-tested product; and comparing the target testing station information with the identity information of the current testing station to generate a comparison result and, according to the comparison result, executing the testing flow of the current testing station or outputting testing prompt information. The technical solutions improve the efficiency of product testing.

Abstract: Provided herein are surfactant compounds that can be used to aid in preparation of protein samples for analysis, for example by mass spectrometry.

Abstract: A wearable physiological measurement apparatus comprises a base, a bridge member, and a first and second support members movably coupled to the base and the bridge member to surround size-variable an opening for accommodating a care giver's finger therein. A measurement device is coupled to the base and with a probe projecting toward the opening for contacting the finger for vital sign measurement and monitoring. Resilient members are coupled between the base, the bridge member and the first and second support members to bias the base, the bridge member and the first and second support members moving toward each other to grip the finger to maintain proper contact of the probe to the finger.

Abstract: A light-emitting panel has a light-emitting area and an isolation area adjacent to the light-emitting area The light-emitting panel comprises a base substrate and a barrier structure, wherein the barrier structure is arranged on one side of the base substrate and located in the isolation area, and comprises a first isolation pattern, a second isolation pattern, a third isolation pattern and a fourth isolation pattern, which are sequentially arranged in a stacked manner, and the first isolation pattern is closer to the base substrate than the fourth isolation pattern; and an orthographic projection of the first isolation pattern on the substrate is located in an orthographic projection of the second isolation pattern on the base substrate, and an orthographic projection of the third isolation pattern on the base substrate is located in an orthographic projection of the fourth isolation pattern on the base substrate.

Abstract: The present disclosure relates to a hand-gesture-based interaction method and apparatus, and a client. The method includes: in a live stream process of one network live stream, when a function of playback of a hand gesture animation is in an activated state, a client of an anchor user recognizes a hand gesture of the anchor user. When a hand gesture category matches a preset category of the hand gesture animation, the client of the anchor user plays back the hand gesture animation in a first area corresponding to a hand gesture position, and transmits a first content to a client of a viewing user through a first server. The client of the viewing user, based on the first content, plays back the hand gesture animation in a second area corresponding to the hand gesture position, and detects a trigger operation on the second area.

Abstract: System and method for controlling one or more light emitting diodes. For example, the system for controlling one or more light emitting diodes includes a current generator configured to generate a first current flowing through one or more light emitting diodes. The one or more light emitting diodes are configured to receive a rectified voltage generated by a rectifying bridge coupled to a TRIAC dimmer. Additionally, the system includes a bleeder configured to receive the rectified voltage, and a controller configured to receive a sensing voltage from the current generator and output a control signal to the bleeder. The sensing voltage indicates a magnitude of the first current.