Abstract: An electrode piece, a preparation method thereof, a battery and an electric apparatus are provided. The electrode piece includes a current collector and an active layer arranged on a surface of the current collector; the active layer is provided with a first groove and a second groove, and a groove bottom of the second groove is higher than that of the first groove, and is lower than a surface of the active layer that faces away from the current collector; and the electrode piece has a first side edge and a second side edge that are arranged opposite each other along a first direction, and one side edge of the groove bottom of the second groove is flush with at least one of the first side edge and the second side edge and is located on at least one side of the first groove along the first direction.

Abstract: A method for determining a longitudinal position of a combined phantom, a computer readable storage medium, and a CT device. The method includes: scanning the combined phantom to obtain a topogram thereof. The combined phantom is fixed to a table top, protrudes beyond the table top, is axially parallel to the longitudinal direction, and includes a plurality of phantoms, one of which is a slice phantom. The method further includes identifying the plurality of phantoms on the topogram, and using an axial center of the slice phantom as the longitudinal position of the combined phantom. The longitudinal position is determined by using the topogram of the combined phantom, and a phantom position is aligned automatically.

Abstract: A PI controller that calculates a PI control value for charge limitation, which is a PI control value for a deviation between a DC voltage applied to an inverter circuit and a charge limiter operating voltage when the DC voltage is higher than the charge limiter operating voltage, and calculates a PI control value for discharge limitation, which is a PI control value for a deviation between the DC voltage and a discharge limiter operating voltage when the DC voltage is lower than the discharge limiter operating voltage. A limiter regulator increases a limitation on a charging power command value from a host device by a command value limiter in accordance with the PI control value for charge limitation and increases a limitation on a discharging power command value from the host device by the command value limiter in accordance with the PI control value for discharge limitation.

Abstract: The present disclosure provides an active bending system of a stapler, relating to the technical field of medical equipment. The active bending system of the stapler comprises an anvil, steering pull rods, an inner sleeve, a sleeve connector, an outer sleeve, a connecting piece, a steering control seat, a steering conversion seat, a steering linkage and a cutting mechanism, wherein the inner sleeve is arranged in the outer sleeve for limiting other parts; the steering pull rods are connected to a right side of the inner sleeve for connecting the inner sleeve and components in a stapler body; the steering conversion seat is movably hinged in the steering pull rods for pushing or pulling back the steering pull rods to move left and right.

Abstract: A method for beam application is performed by a terminal device, and includes: receiving downlink control information (DCI) from a network device, wherein the DCI comprises a unified transmission configuration indication (TCI) state; and determining at least one of a beam application time for uplink (UL) transmission or a beam application time for downlink (DL) transmission corresponding to the unified TCI state.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, via medium access control (MAC) signaling, an indication to activate one or more transmission configuration indicator (TCI) states for the UE, wherein the indication triggers at least one of a measurement of a reference signal or a transmission of a measurement report for at least one TCI state of the one or more TCI states, wherein the reference signal or the transmission of the measurement report is triggered based on an association of a TCI state with the reference signal or the measurement report. The UE may receive the reference signal based on receiving the indication to activate the one or more TCI states. The UE may transmit the measurement report based on the indication triggering the transmission of the measurement report. Numerous other aspects are provided.

Abstract: A speaker box and an electronic device are disclosed. The speaker box includes an upper cover plate including side walls, a first lower cover plate, a speaker unit, a motor module, and second lower cover plates. The speaker unit divides an accommodating cavity defined by upper cover plate and first lower cover plate into front and back cavities. The second lower cover plates are assembled with the upper cover plate to define compensation cavities. A length of at least one of the side walls of the upper cover plate is greater than that of an orthographic projection thereof, so the speaker box is suitable for various electronic devices and has strong adaptability and wide application. The compensation cavities are communicated with the back cavity, which increases an overall space of the back cavity, improves low-frequency performance of the speaker unit, and improves sound production effect of the speaker unit.

Abstract: The present disclosure provides a wafer chuck in semiconductor cleaning equipment, including a chuck base, a jetting assembly arranged on the chuck base, and a plurality of wafer lifting shafts arranged on the chuck base. The chuck base includes a carrier surface for supporting the wafer. The gas outlet of the jetting assembly is located in the center area of the carrier surface and configured to jet gas between the carrier surface and the wafer. The plurality of wafer lifting shafts are distributed around the gas outlet of the jetting assembly along the circumference of the carrier surface. Each wafer lifting shaft of the plurality of wafer lifting shafts is movable relative to the chuck base, and each wafer lifting shaft includes an inclined platform. The inclined platform includes an inclined extension surface. The inclined extension surface is configured to carry the wafer at the edge of the wafer.

Abstract: An electronic device that includes a leadframe having contact pads, where at least two adjacent contact pads of the contact pads are disconnected from each other via a slot. A die includes input/output pins, where the input/output pins are connected to respective contact pads of the contact pads on the leadframe. Interconnects connect the input/output pins to the respective contact pads. A mold compound encapsulates the die and the interconnects.

Abstract: A semiconductor device with dual side source/drain (S/D) contact structures and methods of fabricating the same are disclosed. The semiconductor device includes first and second S/D regions, a nanostructured channel region disposed between the first and second S/D regions, a gate structure surrounding the nanostructured channel region, first and second contact structures disposed on first surfaces of the first and second S/D regions, a third contact structure disposed on a second surface of the first S/D region, and an etch stop layer disposed on a second surface of the second S/D region. The third contact structure includes a metal silicide layer, a silicide nitride layer disposed on the metal silicide layer, and a conductive layer disposed on the silicide nitride layer.

Abstract: Aspects of the disclosure are directed to concurrent tensor processing with multiple processing engines. In accordance with one aspect, an apparatus including a common memory unit; a first processing engine coupled to the common memory unit, wherein the first processing engine is configured to access a portion of an input tensor and a portion of a kernel tensor from the common memory unit; and a second processing engine coupled to the common memory unit, wherein the first processing engine is further configured to send the portion of the input tensor and the portion of the kernel tensor to the second processing engine and wherein the second processing engine is configured to generate a portion of an output tensor based on the portion of the input tensor and on the portion of the kernel tensor.

Abstract: A use of and method for telaprevir in the preparation of a drug and a cytoprotective drug for treating ischemia/reperfusion injury. Telaprevir is used for the preparation of a drug for treating ischemia/reperfusion injury, in particular for treating myocardial cells and nerve cell damage, said drug having in particular a good protective effect on heart and cerebral ischemia/reperfusion (myocardial infarction and ischemic stroke), and can significantly alleviate heart and cerebral ischemia/reperfusion injury.

Abstract: Multi-screen unlocking methods and electronic devices are disclosed. In an implementation, a method includes: in response to detecting a first operation on an electronic device, a first display displays a first screen lock interface, and a second display displays a second screen lock interface, where the first screen lock interface is different from the second screen lock interface. The second display displays a second unlocked interface in response to detecting a second operation on the second display. A second application indicates the electronic device to switch from a screen-locked state to an unlocked state, and sends a first message to a first application. In response to the first message, the first application displays a first unlocked interface by using the first display. The first display is locked by using the first application, and the second display is locked by using the second application.

Abstract: A battery case includes a case body, a first baffle plate and a baffle cover. A gas exhaust channel is obliquely penetrated through a wall of the case body. The first baffle plate and the baffle cover are connected to the outer surface of the wall of the case body. The gas exhaust channel includes a gas inlet and a gas outlet. The first baffle plate is located on one side of the gas outlet away from the gas inlet. The baffle cover covers the gas outlet and the first baffle plate. There is a gas passage between the inner surface of the baffle cover and the first baffle plate. The baffle cover is provided with a gas exhaust opening. The gas inside the case body can be discharged out from the gas exhaust opening after flowing sequentially through the gas exhaust channel and the gas passage.

Abstract: A method and an apparatus for controlling an optical fiber amplifier, a system, a transmission node and a storage medium. WDM transmission systems are deployed between a first communication end and a second communication end. At least one target WDM transmission system includes a first transmission node and a second transmission node. The first transmission node receives a first control signal including an identifier of the second transmission node, and switches on a transmit-end optical fiber amplifier of the first transmission node if determining that the first control signal is a normal control signal and the second transmission node identifier matches a pre-stored first reference node identifier. The second transmission node receives a second control signal including an identifier of the first transmission node, and performs a similar judgment to switch on a transmit-end optical fiber amplifier of the second transmission node.

Abstract: The present disclosure relates to a method and an apparatus for reliability evaluation based on multiple performance degradation, a computer device, a storage medium, and a computer program product. The method includes: for each of the multiple performances of a target product, obtaining a plurality of candidate functions that the performance possibly follows, determining a target function that satisfies a preset selection condition from the plurality of candidate functions, and determining a reliability function corresponding to the performance based on the target function; determining coupling relation information between the multiple performances of the target product, and obtaining redundancy information of the multiple performances of the target product; and performing a reliability evaluation on the target product based on the coupling relation information, the redundancy information, and the reliability function of each performance.

Abstract: A method includes an access policy management unit receiving from an access policy entry point (APEP), a request for data management. In response to the request the access policy management unit sends a response to acknowledge a generation of an access control policy for management of the data to the APEP. A data description includes an indication of an owner of the data expects to know a usage of the data. The access control policy is based on a security requirement related to the data, a privacy requirement related to the data, data information or a data operation permission related to the data, when the owner of the data expects to know the usage of the data. When the owner of the data does not expect to know the usage of the data, the policy is based on data information and a data operation permission related to the data.

Abstract: An imidazole compound as shown in formula I or a pharmaceutically acceptable salt and an intermediate thereof. The imidazole compound as shown in formula I can significantly inhibit AA-induced platelet aggregation, improves MCAO/R-induced rat cerebral ischemia injury, has excellent metabolic stability, and can improve the distribution of a drug within the brain tissue, such that the pharmacodynamic activity of the imidazole compound in treatment of dyskinesia associated with acute thrombotic cerebral infarction and cerebral infarction is improved.

Abstract: Embodiments of this application provide a method for determining an application server and an apparatus. The method includes: A first network element obtains a characteristic parameter of a candidate application server. The first network element obtains a network status of a serving link, where the serving link is a link from a terminal to a DN in which the candidate application server is located. The first network element determines a target application server from the candidate application server based on the characteristic parameter of the candidate application server and the network status of the serving link. Therefore, compared with an existing method, in the method in this application, resources in a network can be better used, and the selected target application server can better execute a service of the terminal device, to improve user experience.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) switch between carriers of a group of a carriers during uplink communications in accordance with a mapping. For example, the UE may report its capability to a base station for switching between carriers of the group, where the group includes a supplementary uplink (SUL) carrier and two or more normal uplink (NUL) carriers that are each associated with a different radio frequency band. The base station may indicate for the UE to switch to a subset of carriers of the group corresponding to a combination of radio frequency bands for transmission of an uplink message. The UE may switch to at least one carrier of the subset of carriers in accordance with a mapping that is based on the reported capability and may transmit the uplink message on the at least one carrier.