Abstract: An electric power supply includes a totem pole bridgeless PFC power converter. The PFC power converter includes an input for coupling to an AC power source, an output, four switching devices coupled between the input and the output, two diodes coupled between the four switching devices and the input, a first inductor coupled between the four switching devices and the two diodes, and a second inductor coupled between the two diodes and the input. Other example electric power supplies and totem pole bridgeless PFC power converters are also disclosed.

Abstract: Embodiments of semiconductor devices and fabrication methods thereof are disclosed. In an example, a semiconductor device includes NAND memory cells and a first bonding layer including first bonding contacts. The semiconductor device also includes a second semiconductor structure including DRAM cells and a second bonding layer including second bonding contacts. The semiconductor device also includes a third semiconductor structure including a processor, SRAM cells, and a third bonding layer including third bonding contacts. The semiconductor device further includes a first bonding interface between the first and third bonding layers, and a second bonding interface between the second and third bonding layers. The first bonding contacts are in contact with a first set of the third bonding contacts at the first bonding interface. The second bonding contacts are in contact with a second set of the third bonding contacts at the second bonding interface. The first and second bonding interfaces are in a same plane.

Abstract: An arbitration method, device, and computer-readable storage medium are provided. In an N-th clock cycle, P first requests respectively sent by P processing modules are obtained among M processing modules, where the M processing modules are each configured to send a first request to a memory module via an arbitration module, M is an integer greater than or equal to P, N is an integer greater than or equal to zero, and P is an integer greater than or equal to two. P timeslot values to be respectively allocated to IDs of the P processing modules are determined from a first timeslot table. A target request to be sent to the memory module in the N-th clock cycle is determined among the P first requests according to a normalized clock-cycle count corresponding to the N-th clock cycle and the P timeslot values.

Abstract: An image processing method, apparatus, and device, and a storage medium relate to the field of artificial intelligence. The method may include: obtaining an image corresponding to a target battery module, the target battery module including N solder joints, and the N solder joints being respectively mapped to N solder joint fields in the image; dividing the image according to the N solder joint fields to obtain N image regions in one-to-one correspondence with the N solder joint fields; calculating image difference information between each pair of adjacent image regions among the N image regions to obtain an image difference information set; and performing fault recognition on the target battery module based on the image difference information set. The accuracy for recognizing a preset fault in a battery module can be improved by the method.

Abstract: A handle for a prosthetic heart valve delivery apparatus includes a housing, a motorized mechanism, and a holding mechanism. The housing is configured to be hand-held by a user and includes a distal opening. The motorized mechanism is disposed within the housing and is configured to be releasably coupled to a proximal end portion of a first shaft of the prosthetic heart valve delivery apparatus. When actuated, the motorized mechanism is configured to rotate the first shaft relative to the housing. The holding mechanism is disposed inside the housing and is configured to engage a proximal end portion of a second shaft of the prosthetic heart valve delivery apparatus such that the second shaft is axially and rotationally fixed relative to the housing, and the first shaft extends through the second shaft.

Abstract: A filler for vacuum brazing of TU1 oxygen-free copper is an Au—Cu—Ni filler including the following elemental compositions in a specified proportion: 69% to 90% of Au, 9% to 30% of Cu, and 1% to 5% of Ni. The filler has a melting temperature of 900° C. to 910° C. The filler for vacuum brazing of TU1 oxygen-free copper can be used for brazing X-ray tube anodes, thereby realizing effective vacuum brazing.

Abstract: The present application describes antibody formulations, including monoclonal antibodies formulated in histidine-acetate buffer, as well as a formulation comprising an antibody that binds to domain II of HER2 (for example, Pertuzumab), and a formulation comprising an antibody that binds to DR5 (for example, Apomab).

Abstract: Disclosed herein are ink compositions that can be ink jetted onto a substrate with improved performance, low odor, and low migration properties. An example ink composition includes a mono-functional monomer, the mono-functional monomer including a hydrophilic mono-functional monomer; a di-functional monomer; an optional colorant; and an optional photoinitiator. Also disclosed are substrates decorated with a cured ink composition and methods of decorating a substrate with the ink compositions.

Abstract: The system monitors multiple communication channels between a first communicator and a second communicator. At least a portion of the multiple channels spatially overlap. The overlapping channels carry different communications. The system determines whether a first set of two or more channels among the multiple channels are interfering with each other. Upon detecting interference, the system obtains a first multiplicity of physical resource blocks associated with a first channel and a second multiplicity of physical resource blocks associated with a second channel, where a physical resource block comprises a frequency band of predetermined size. The system allocates a first subset of the first multiplicity of physical resource blocks to the first channel, and a second subset of the second multiplicity of physical resource blocks to the second channel, where the first subset and the second subset do not overlap.

Abstract: A laser level system including a laser level, the laser level projecting at least one laser line. The system also includes a bracket on which the laser level is mounted and a battery pack. The bracket includes a battery pack receptacle into which the battery pack is removably coupled. The battery pack powers the laser level. The battery pack has a maximum initial battery pack voltage (measured without a workload) of at least 18 volts. The system also includes at least one electrical conductor which delivers power from the battery pack in the battery pack receptacle to the laser level.

Abstract: Provided are a multi-core processing system and an inter-core communication method therefor, and a storage medium. The method includes: reading from a shared memory a message written by a transmitting core, and parsing the message to obtain a source address of and a data length of data to be transmitted (S102); performing storage space allocation based on the data length to obtain a destination address of the data to be transmitted (S104); and transmitting the data to be transmitted from a storage space corresponding to the source address to a storage space corresponding to the destination address by means of Direct Memory Access (DMA), based on the source address, the data length, and the destination address (S106).

Abstract: The present disclosure provides a testing method and a testing device. The testing method includes: configuring one or more testing parameters for a to-be-tested object, and performing at least two testing processes to obtain a testing value of each performance index for each testing process, each of the at least two testing processes being used to test different performance index of the to-be-tested object or to test different performance indices of the to-be-tested object; and generating a testing result of the to-be-tested object in accordance with the testing value of each performance index for each testing process. According to the present disclosure, it is able to perform the multi-dimensional test, thereby to meet the requirement on the performance indices in different scenarios, improve the testing efficiency, and increase the reliability of the testing result for true performance of a terminal.

Abstract: Systems and methods for controlling the air to ground network coverage in an underserved area include an aerial vehicle and control circuitry communicatively coupled to relay circuitry, antenna circuitry, and a ground site. The control circuitry is structured to receive signal data corresponding to a radio signal, the relay circuitry structured to convert the radio signal into a subsequent signal, determine one or more airline schedules and one or more flight statuses associated with an underserved area, based on the one or more airline schedules and the one or more flight statuses determined, determine an aerial vehicle location as the aerial vehicle navigates to the underserved area, and generate a command to activate, via the antenna circuitry, transmission of air to ground network coverage based on the subsequent signal to the underserved area when the aerial vehicle location is in the underserved area.

Abstract: Embodiments of a memory finger structure and architecture for a three-dimensional memory device and fabrication method thereof are disclosed. The method includes forming an alternating layer stack, forming a plurality of slit structures, forming a plurality of conductor/dielectric layer pairs, forming a first column of vertical memory strings, forming a second column of vertical memory strings, and forming a plurality of bitlines. The plurality of slit structures each extend vertically through the alternating layer stack and laterally along a wordline direction to divide the alternating layer stack into at least one memory finger. The vertical memory strings in the first column are displaced relative to each other along the wordline direction. The vertical memory strings in the second column are displaced relative to each other along the wordline direction. Each bitline is connected to an individual vertical memory string in the first and second columns.

Abstract: Embodiments of three-dimensional (3D) memory devices have a blocking layer and fabrication methods thereof are disclosed. In an example, a 3D memory device includes a substrate, a memory stack including interleaved conductive layers and dielectric layers above the substrate, an array of NAND memory strings each extending vertically through the memory stack, a plurality of logic devices above the array of NAND memory strings, a semiconductor layer above and in contact with the logic devices, a pad-out interconnect layer above the semiconductor layer, and a blocking layer vertically between the semiconductor layer and the pad-out interconnect layer and configured to block outgassing of hydrogen.

Abstract: A semiconductor device in a multi-chip package (MCP) includes a controller, at least one non-volatile memory die including an array of non-volatile memory cells and connected to the controller through wire bonding, and at least one volatile memory die including an array of volatile memory cells and connected to the controller through wire bonding. The controller is configured to control operations of the at least one non-volatile memory die and the at least one volatile memory die.

Abstract: Provided an intermittent characteristic-based demand-side resource coordination control method and system. The method includes: receiving a control request, where the control request is used for requesting control of demand-side resources having an intermittent characteristic; determining a target total control quantity of demand-side resources; determining a coordination strategy of multiple demand-side resources and an action quantity of each of the multiple demand-side resources; and performing coordinated control on the multiple demand-side resources based on the target total control quantity of demand-side resources, the coordination strategy, and the action quantity of each of the multiple demand-side resources.

Abstract: A cell search method, a chip, and a mobile terminal are provided in the disclosure, which relates to the field of mobile terminal technology. The method includes the following. A network service state of a mobile terminal is determined according to a signal measurement value of a serving cell where the mobile terminal camps. A cell search for the mobile terminal is initiated when the network service state is a near-interrupted state, where the near-interrupted state is a state between a normal service state and an interrupted service state.