Abstract: Methods and apparatuses join multiple members with a high velocity induced metallurgical bond. An example method includes accelerating a projectile to a threshold velocity toward members in stacked relation to one another and striking a first member of the members at or above a threshold velocity with the projectile to form a joint that couples the members to one another. The threshold velocity is sufficient to induce a metallurgical bond in the joint.

Abstract: The present application relates to a display panel and a display device. The display panel includes a substrate, a driving layer group, and an anode layer stacked together. The driving layer group is located in the second display region. The anode layer includes a first anode located in the first display region. The first anode is electrically connected to a drain of the driving layer group via a conducting wire. The display panel further includes a first isolation layer and a lap layer located in the first display region. The first isolation layer is arranged between the lap layer and the conducting wire. The first isolation layer includes a first via hole. The conducting wire passes through the first via hole to connect with the lap layer, to electrically connect the first anode to the drain electrode of the driving layer group.

Abstract: A power supply circuit that may be operated in a pre-charge mode or a switch-charge mode to provide a charging current. In the pre-charge mode, a current sense transistor of the power supply circuit may be operating to sense the charging current and to provide a current sense signal indicative of the charging current, while a current control transistor of the power supply circuit may be operating to control the charging current based on the current sense signal.

Abstract: The present application describes an audio enhancement method and apparatus, and an earphone system. The audio enhancement method comprises: acquiring an air conduction audio signal and a bone conduction audio signal; and determining a first audio feature of the air conduction audio signal and a second audio feature of the bone conduction audio signal. The method further comprises performing feature extraction on the bone conduction audio signal using a feature extraction model to obtain a voiceprint feature of the bone conduction audio signal; and inputting the voiceprint feature of the bone conduction audio signal, the first audio feature, and the second audio feature into an amplitude prediction model to obtain a predicted amplitude. The method further comprises enhancing audio based on the predicted amplitude to obtain a target audio signal.

Abstract: A routing entry obtaining method and apparatus applied to a network device and includes obtaining an identifier of an application program, a computing capability of a first apparatus running the application program, and a computing capability of a second apparatus running the application program; and obtaining a routing entry based on the identifier of the application program, the computing capability of the first apparatus, and the computing capability of the second apparatus, wherein the routing entry comprises the identifier of the application program and an egress port, where the egress port is capable of communicating with a target apparatus determined according to the computing capability of the first apparatus and the computing capability of the second apparatus.

Abstract: The present disclosure relates to a data processing method, an apparatus, and an electronic device, which relates to the technical field of data processing. The method comprises: a VR device decodes received image data to obtain a planar image to be processed; first acquiring field of view information of a user; then generating, according to the field of view information and the planar image, a left eye image and a right eye image at a same timestamp; and displaying a virtual reality image according to the left eye image and the right eye image at the same timestamp. The present disclosure can reduce the amount of transmitted data by half, reduce the pressure on network bandwidth by half, reduce the situation of network congestion, and correspondingly reduce the transmission delay. The simplified processing procedures result in no problem of asynchronous transmission between the left eye and the right eye.

Abstract: Disclosed are embodiments of a media for capturing carbon dioxide from a gas stream of ambient air. The media comprises a first fiber substrate and carbon capture particles attached to the first fiber substrate. The carbon capture particles are formed from one or more materials capable of capturing carbon dioxide through absorbance or adsorbance.

Abstract: The present disclosure proposes a system and method for measuring particle size distribution of sediment grains. The method includes: acquiring a first sediment grain image and a second sediment grain image; processing the first sediment grain image to obtain a sediment grayscale image; obtaining a depth image based on the sediment grain images, and obtaining a depth grayscale image by processing the depth image; based on the depth grayscale image, generating a preliminary region mask; cropping the sediment grayscale image using the preliminary region mask; obtaining an image with first-stage clustering results by performing cluster analysis on the cropped sediment grayscale image; obtaining an image with second-stage clustering results by performing cluster analysis on the sediment grains with a particle size smaller than a preset threshold in the image with first-stage clustering results using a DBSCAN; obtaining the particle size distribution result based on the image with second-stage clustering results.

Abstract: Provided are a method and apparatus for determining a security area, a device, and a storage medium. The method includes: determining property information of an entity in a real scene in which a user is in a motion; displaying, based on the property information of the entity, in a virtual space a target virtual scene mapped from the real scene; and determining, based on a security-type virtual object in the target virtual scene, a corresponding security area. In the present disclosure, the customized delineation of the security area in a plurality of spatial ranges is achieved by using the user's motion in the real scene, and an adaptability between the security area and the real scene is ensured. Moreover, by displaying the target virtual scene mapped from the real scene to the user, the user's collision-free motion in the real scene can be supported before the security area is delineated.

Abstract: A polyacrylonitrile-based carbon fiber has the following characteristics: the micropore radial size LP is less than or equal to 2.0 nm and the micropore aspect ratio L/LP is greater than or equal to 50 and less than or equal to 100, and optionally the diameter CV value is less than or equal to 3%. A polyacrylonitrile spinning dope in which the total number of gel particles with a particle size greater than 0.15 ?m is less than or equal to 1×105 particles/mL, and the proportion of gel particles with a particle size greater than 5 ?m to the total gel particles is less than or equal to 0.3%. The equilibrium swelling degree of the gel particles is 250-5000%. A preparation process of a polyacrylonitrile solution and a preparation process of a polyacrylonitrile-based carbon fiber are also provided.

Abstract: In a video editing method, an editing interface includes visualized representations of a video track and a dubbing subtitle track. In the method, recording of a voice clip is started when a dubbing start operation is triggered in association with a first time point. In the method, the recording of the voice clip is stopped when a dubbing end operation is triggered in association with a second time point. In the method, the recorded voice clip is loaded into the dubbing subtitle track from the first time point to the second time point of the time progress of the dubbing subtitle track. In the method, a voice recognition text recognized from the voice clip is displayed in the editing interface. In the method, a fused video is generated based on a video editing completion operation, the fused video including the video, the voice clip, and the voice recognition text.

Abstract: A three-dimensional (3D) memory device includes a stack structure including interleaved first conductive layers and first dielectric layers, and a channel structure extending through the stack structure along a first direction in contact with a first semiconductor layer at a bottom portion of the channel structure. The channel structure includes a semiconductor channel, and a memory film over the semiconductor channel. The semiconductor channel includes an angled structure, and a first width of the semiconductor channel at the bottom portion of the channel structure below the angled structure is smaller than a second width of the semiconductor channel at an upper portion of the channel structure above the angled structure.

Abstract: Implementations of the present disclosure provide a method, a device, and an apparatus for verifying a veracity of a statement, and a medium. In One method, includes: training data including a statement, an evidence set, and a label are acquired. The statement is divided into a plurality of phrases based on a grammatical analysis of the statement. A phrase verification model is trained based on the training data and the plurality of phrases, so that the phrase verification model determines a plurality of phrase veracities of the plurality of phrases respectively based on the evidence set. A statement verification model is trained based on the training data and the plurality of phrases, so that the statement verification model determines a statement veracity of the statement based on the evidence set, where the plurality of phrase veracities provide an interpretation for the statement veracity.

Abstract: Disclosed is a bis((N-3-ainopropyl)-(N-(3,4-dimethoxyphenylpropionyl)))aminopropylamine phosphate, a crystal form thereof, and a preparation method therefor. Compared to a free base and other salts of bis((N-3-aminopropyl)-(N-(3,4-dimethoxyphenylpropionyl)))aminopropylaine, bis((N-3-aminopropyl)-(N-(3,4-dimethoxyphenylpropionyl)))aminopropylamine phosphate has better stability and higher dynamic solubility, and is more conducive to drug safety and industrial production.

Abstract: The present disclosure relates to a method and system for data retention during power gating. The method includes: sending a power-off request to a shut-off module, the power-off request being configured to instruct the shut-off module to return to-be-stored data; receiving a data saving request sent by each shut-off module, and centrally storing the to-be-stored data carried by each data saving request in a first retention memory; and in response to receiving a data restore signal, returning data stored in the first retention memory to a corresponding shut-off module. The data restore signal is generated after the shut-off module is powered on again.

Abstract: An apparatus for collecting blood or other liquids, comprising a housing (100), a starting device (200), a transmission device (300) and a collection device (400), wherein: the collection device (400) is housed in the housing (100); the transmission device (300) is housed in the housing (100), the transmission device (300) comprises a locking assembly (310) and a driving assembly (320), the driving assembly (320) is connected to the collection device (400), at least part of the starting device (200) is detachably connected to the locking assembly (310), and the locking assembly (310) is configured, to release a movement restriction on the driving assembly (320) after the starting device (200) is inserted, so that the driving assembly (320) actuates the collection device (400) to extend out of the housing (100), and to restrict a movement of the driving assembly (320) after the starting device (200) is removed.

Abstract: A quantization method and apparatus for a text feature extraction model, and a device and a storage medium. The method includes: in a training process of a text feature extraction model, determining, according to a target quantization parameter, a quantization interval corresponding to the target quantization parameter, where the quantization interval includes a part of floating-point values of the target quantization parameter; constructing a mapping relationship between floating-point values and fixed-point values of the target quantization parameter based on the quantization interval, where a floating-point value smaller than a left end point of the quantization interval—is mapped to a quantized minimum fixed-point value, and a floating-point values larger than a right end point of the quantization interval is mapped to a quantized maximum fixed-point value; and performing a quantization operation on the target quantization parameter based on the mapping relationship.