Abstract: The present disclosure discloses an acoustic output device. The acoustic output device may include a speaker assembly, configured to convert audio signals into vibration signals; a functional assembly electrically connected to the speaker assembly; and a supporting structure, configured to be connected to the speaker assembly and the functional assembly, wherein the supporting structure includes a metal body therein, and the metal body may be electrically connected to the functional assembly.

Abstract: Methods, systems, and computer-readable storage media for receiving a workload period, during which a workload is applied to a database system, providing a set of ML models based on historical data representative of historical executions of the workload over the workload period, each ML model configured to predict a cluster arrival rate curve (cARC), and during execution of the workload period and, for each timeslice of a plurality of timeslice of the workload period: providing a predicted cARC from each ML model, the predicted cARC representative of a predicted workload, determining column visiting times for each of a plurality of columns of each of a plurality of tables stored in the database system, generating a column list based on the column visiting times, and loading column data representative of columns included in the column list into low-latency memory prior to execution of a workload during the respective timeslice.

Abstract: Techniques detect a sequential stream. Such techniques involve receiving a plurality of input/outputs (IOs). Such techniques further involve storing corresponding IO descriptors in a pool for the received plurality of IOs. Such techniques further involve predicting the plurality of IOs as a target sequential stream according to a plurality of IO descriptors stored in the pool that correspond to a first set of IOs. Such techniques further involve determining that the received plurality of IOs are the target sequential stream in response to detecting that the plurality of IO descriptors stored in the pool match a second set of IOs. The second set of IOs is a plurality of IOs sequentially arranged subsequent to the first set of IOs in the target sequential stream.

Abstract: This application provides a rotation mechanism, a supporting apparatus, and a foldable screen terminal, and relates to the field of electronic device technologies, so as to balance a lifting stroke of the lifting member and a thickness of the foldable screen terminal in an unfolded state. The rotation mechanism includes a lifting member, a shaft cover, a first swing arm, a second swing arm, a forcing structure, and a first supporting member. The lifting member includes a lamination surface. The shaft cover is located on a side that is of the lifting member and that is away from the lamination surface. The first swing arm and the second swing arm are respectively located on two opposite sides of the lifting member, and the first swing arm and the second swing arm can swing between an unfolded position and a folded position relative to the shaft cover.

Abstract: This application discloses a separator and a preparation method therefor, a battery, and an electric apparatus. The coating is formed on at least part of a surface of the substrate, the coating includes composite particles, first inorganic particles, and a binder, the composite particles form bulges on a surface of the coating, the composite particles include polyacrylate particles and ion-conducting particles, and the ion-conducting particle is present between at least two polyacrylate particles. A mass ratio of the first inorganic particles to the ion-conducting particles is 1:0.007-0.06.

Abstract: A method for constructing a rockbolt force inversion model based on laser scanning of a bearing plate includes: acquiring a first morphological point cloud of the bearing plate based on a laser scanner; acquiring a second morphological point cloud of the bearing plate based on the laser scanner; and constructing the rockbolt force inversion model based on a preset convolutional neural network, the first morphological point cloud, the second morphological point cloud and a rockbolt force value.

Abstract: The present disclosure provides anti-amyloid ? (A?) antibodies and antibody fragments that preferentially bind soluble amyloid A? protofibril/oligomer and trigger ADPC in microglial cells, anti-amyloid ? (A?) antibodies and antibody fragments that reduce soluble amyloid A? protofibril/oligomer levels and insoluble amyloid A? plaque in brain tissue, and the use of anti-A? protofibril/oligomer antibodies and antibody fragments in therapy, prophylaxis, diagnosis, screening, and monitoring of conditions associated with A? protein aggregation, in particular Alzheimer's disease (AD).

Abstract: This application discloses a binder and a preparation method thereof, a separator, an electrode plate, an electrode assembly, a battery cell, a battery, and an electric apparatus, and relates to the field of battery technologies. The binder includes a coating layer and a core disposed in the coating layer, where the coating layer includes a polyacrylate copolymer, and the core includes ceramic. The binder is applied onto the separator and used in the battery, providing strong adhesion. This enhances the pre-cold pressing adhesion force and hardness of the battery cell, and reduces electrochemical impedance, thus improving the cycling performance of the battery.

Abstract: A method of an intestinal protective ostomy with the use of a degradable intestinal diversion device and an intubation includes steps of: preparing the degradable intestinal complete diversion device; after cutting off the terminal ileum intestine, measuring the diameter of the intestine, and then selecting a degradable intestinal diversion device of appropriate specifications according to the diameter of the intestine; when diverting, placing the device in the intestinal cavity, and fixing the ileum on the device with a thread at the convex ring; inserting the stoma drainage tube in the proximal ileum where the device is placed against the direction of intestinal peristalsis; and disintegrating and discharging the device with the contents of the intestine. The invention used with a drainage tube realizes complete intestinal diversion without secondary operations of stoma reintroduction.

Abstract: An electro-pneumatic intelligent syringe includes an injection assembly including a fixing component and a moving component, and a pneumatic assembly including an airway component and a pneumatic component. The electro-pneumatic intelligent syringe can operate intelligently and automatically, which provides equipment support for achieving automatic injection.

Abstract: An ash collecting system includes an ash discharge device, an ash conveying pipeline and an ash collecting tank. A first clean air chamber and a first foul air chamber are arranged in a shell. A plurality of first filtering structures and vibrating structures are arranged in the first clean air chamber. The first foul air chamber is provided with a sweeping structure for sweeping ash. The ash collecting tank includes a cylindrical shell and an ash bin. The ash removal port is in communication with the second air inlet. A second clean air chamber and a second foul air chamber are arranged in the cylindrical shell. Second filtering structures are arranged in the second foul air chamber. The ash bin is in communication with the second foul air chamber. An ash collecting structure for collecting ash is arranged in the ash bin.

Abstract: A signal reception or transmission method and apparatus and a communication system. The signal reception or transmission method includes: a terminal equipment receives downlink control information, the number of bits of at least one of fields of the downlink control information being less than the number of bits of a corresponding field of regular downlink control information; and the terminal equipment receives or transmits a signal scheduled by the downlink control information according to spatial direction indication of the downlink control information. According to this disclosure, the terminal equipment and the network device may receive or transmit a corresponding signal by using accurate power and spatial direction.

Abstract: The present disclosure provides anti-amyloid ? (A?) antibodies and antibody fragments that preferentially bind soluble amyloid A? protofibril/oligomer and trigger ADPC in microglial cells, anti-amyloid ? (A?) antibodies and antibody fragments that reduce soluble amyloid A? protofibril/oligomer levels and insoluble amyloid A? plaque in brain tissue, and the use of anti-A? protofibril/oligomer antibodies and antibody fragments in therapy, prophylaxis, diagnosis, screening, and monitoring of conditions associated with A? protein aggregation, in particular Alzheimer's disease (AD).

Abstract: A separated prosthetic foot with a transverse arch belongs to the technical field of manufacturing of artificial limbs. The characteristics of the transverse arch of the human foot are combined into the previous transverse-straight carbon fiber foot design to improve the stiffness of the prosthetic foot and reduce the weight of the prosthetic foot. A forefoot part employs a separated curved plate design, and two simple curved plates with different curvatures are used for simulating a complex curved surface of the transverse arch of the human, such that the manufacturing cost is reduced, and the various parts of the sole are non-uniform in stiffness distribution: the outer side of the foot is a single-layer forefoot plate with a smaller curvature and minor stiffness; and the inner side of the foot is a double-layer stacked forefoot plate, and the lower layer plate has a large radius in curvature and stiffness.

Abstract: A light detection and ranging (LIDAR) device includes a first wafer layer, a laser assembly disposed on the first wafer layer, a capping layer, a second wafer layer, and a photonic integrated circuit (PIC). The capping layer is coupled to the first wafer layer and configured to seal the laser assembly. The second wafer layer is at least partially coupled to the first wafer layer. The PIC is formed on the second wafer layer. The second wafer includes an exit feature configured to outcouple laser light from the laser assembly.

Abstract: In some examples, a robot includes: a machine body; a driving system, configured to drive the machine body and elements disposed in the machine body to move across a surface; a signal receiver, configured to receive a signal from a charging station; a control system, disposed in the machine body, and configured to build a simultaneous map of an environment in which the robot locates, and navigate the robot based on the simultaneous map; wherein, in a process of docking the robot, the signal receiver determines whether the robot is in a coverage region of the signal from the charging station; in response to determining that the robot is not in the coverage region of the signal from the charging station, the control system controls the driving system to drive the robot to move toward an open region based on the simultaneous map.

Abstract: A computing system with a first instruction of an instruction set architecture (ISA) for direct invalidation, without writing back, in a hierarchical cache structure based on one single designated key identification code, and a second instruction of ISA for direct invalidation, without writing back, in the hierarchical cache structure based on a plurality of designated key identification codes is shown. A decoder transforms the first or second instruction into at least one microinstruction. Based on the at least one microinstruction, one direct invalidation request is provided corresponding to each designated key identification code, to be passed to the hierarchical cache structure through a memory ordering buffer. For each direct invalidation request, the cache line write-back and invalidation regarding a designated key identification code is performed on a last-level cache first, and then is performed on the in-core cache modules.

Abstract: The present disclosure discloses an earphone. The earphone may include a hook-shaped component, a connecting component, and a holding component. When the earphone is in a wearing state, the hook-shaped component may be configured to hang between a rear side of an ear of a user and a head of the user. The holding component may be configured to contact a front side of the ear. The connecting component may be configured to connect the hook-shaped component and the holding component and extend from the head to an outside of the head to cooperate with the hook-shaped component to provide the holding component with a pressing force on the front side of the ear.

Abstract: The present disclosure provides an herbicidal compound according to Formula I, which is a pyridine ring-substituted pyridazinol compound, as well as derivatives of the compound, an herbicidal composition comprising the compound, preparation methods thereof, and applications thereof.

Abstract: A scoring functions is developed and used for identifying patients who might be responsive to a PD-1 axis directed therapy. The scoring functions are obtained by extracting features from multiplex-stained sections, selecting features that correlate with response to the therapy using a feature selection function, and fitting one or more of the selected features to a plurality of candidate scoring functions. A candidate scoring function showing the desired balance between predictive sensitivity and specificity may then selected for incorporation into a scoring system that includes at least an image analysis system.