Abstract: A double-sided loudspeaker includes a first speaker base and a second speaker base assembled with each other and provided with a ventilation hole; a first side magnetic plate injection molded at the first speaker base or the second speaker base; a second side magnetic plate injection molded at the first speaker base or the second speaker base; a magnetic member disposed between the first side magnetic plate and the second side magnetic plate and including a main magnetic plate, a first magnetic unit and a second magnetic unit; a first diaphragm disposed at the first speaker base; a first voice coil disposed at the first diaphragm and movably arranged at the first magnetic unit; a second diaphragm disposed at the second speaker base; and a second voice coil disposed at the second diaphragm and movably arranged at the second magnetic unit.

Abstract: Disclosed is a base oil for functional food oils and fats, a preparation method therefor and the use thereof. The base oil for functional food oils and fats is formed through ternary transesterification on medium-chain triglycerides, high-melting-point fat and oils rich in linolenic acid. The base oil for functional food oils and fats has a wide melting range, can significantly improve the glucose and lipid metabolism disorder, balance the essential and functional fatty acids in the body, and quickly replenish energy. Animal experiments were conducted and the fatty acid composition and distribution of the base oil were optimized and determined through comparative analysis based on evaluation indicators such as the improved effect in glucose and lipid metabolism and melting point.

Abstract: A semiconductor structure includes a first tier, a redistribution circuit structure, and a second tier. The first tier includes at least one first die. The redistribution circuit structure is disposed on the first tier and electrically coupled to the at least one first die, where the redistribution circuit structure has a multi-layer structure and includes a vertical connection structure continuously extending from a first side of the redistribution circuit structure to a second side of the redistribution circuit structure, and the first side is opposite to the second side along a stacking direction of the first tier and the redistribution circuit structure. The second tier includes a plurality of second dies, and is disposed on and electrically coupled to the redistribution circuit structure.

Abstract: A laser machining device includes a pulsed laser generator, an accommodation chamber, a bandwidth broadening unit and a pulse compression unit. The pulsed laser generator is configured to emit a pulsed laser. The accommodation chamber has a gas inlet. The bandwidth broadening unit is disposed in the accommodation chamber, and is configured to broaden a frequency bandwidth of the pulsed laser to obtain a broad bandwidth pulsed laser. The pulse compression unit is disposed in the accommodation chamber. The bandwidth broadening unit and the pulse compression unit are arranged in order along a laser propagation path, and the pulse compression unit is configured to compress a pulse duration of the broad bandwidth pulsed laser.

Abstract: A layout of a semiconductor memory device includes a substrate and a ternary content addressable memory (TCAM). The TCAM is disposed on the substrate and includes a plurality of TCAM bit cells, where at least two of the TCAM bit cells are mirror-symmetrical along an axis of symmetry, and each of the TCAM bit cells includes two storage units electrically connected to two word lines respectively, and a logic circuit electrically connected to the storage units. The logic circuit includes two first reading transistors, and two second reading transistors, where each of the second reading transistors includes a gate and source and drain regions, the source and drain regions of the second reading transistors are electrically connected to two matching lines and the first reading transistors, respectively, where the word lines are disposed parallel to and between the matching lines.

Abstract: A method includes providing an interactive graphical user interface comprising a first menu providing one or more input options, a second menu providing one or more machine learning models, and a third menu providing one or more output formats. The method also includes generating a graph in a portion of the interactive graphical user interface by detecting one or more user selections of an input option, a machine learning model, and an output format, displaying nodes corresponding to the input option, the machine learning model, the output format, and displaying edges connecting the first node to the second node, and the second node to the third node. The method additionally includes applying the machine learning model to an input associated with the input option to generate an output in the output format. The method further includes providing, by the interactive graphical user interface, the output in the output format.

Abstract: A first network node configured to communicate with a second network node and a wireless device, WD, is described. The first network node includes processing circuitry configured to determine a link profile of a communication link between the first network node and the second network node and determine a set of time offset values. Each time offset value indicates a time delay between a downlink transmission from the second network node and a corresponding uplink transmission from the WD to the first network node. The set of time offset values are determined based at least in part on the link profile.

Abstract: An apparatus includes an interface to memory, and a processor to execute one or more instructions. The instructions cause the processor to receive, via an application programming interface (API), a plurality of packets, respective packets of the plurality of packets comprising a respective header and a respective payload. Further, the instructions cause the processor to determine, by a QUIC protocol stack, to encrypt the plurality of packets in parallel. Further, the instructions cause the processor to encrypt the payloads of the plurality of packets in parallel. Further, the instructions cause the processor to encrypt the headers of the plurality of packets in parallel.

Abstract: Various systems and methods for implementing protocol state aware power management are described herein. A network interface device for implementing protocol state aware power management includes circuitry to provide a direct memory access interface; medium access control (MAC) circuitry to interface with a network; and control circuitry to: classify packets received at the MAC circuitry as packets used to open network connections or packets used to close network connections; maintain statistics of packets used to open network connections and packets used to close network connections; calculate a power hint based on the statistics of packets used to open connections and packets used to close network connections; and write a receive descriptor to a host memory using the direct memory access interface, the receive descriptor including a power hint field with the power hint, the power hint used by a host processor to scale processor power based on the power hint.

Abstract: A monostable electromagnetic clutch is disclosed, which comprises a movable member, a magnetic assembly, a fixed disc, and a plurality of iron cores, wherein the magnetic assembly is connected to the fixed disc, the iron cores cross through the magnetic assembly and are connected to the fixed disc, the movable member is provided thereon with an spring member, and under an action of an electromagnetic force of the magnetic assembly and an spring force of the spring member, the movable member can reciprocate at a side of the magnetic assembly to keep the movable member and the iron cores in an engaged state or a disengaged state. The structural design of the present disclosure is flexible and compact, and can be combined in a different way according to different applications and different structural spaces.

Abstract: An electromagnetic clutch is provide that includes a fixed component, a driven component and an elastic component. The fixed component includes a magnetic yoke provided thereon with multiple iron cores, and each iron core is provided thereon with a coil. The driven component includes an armature disc provided thereon with multiple magnets. The armature disc and the magnetic yoke are disposed correspondingly, and the iron cores and the magnets are disposed correspondingly. The elastic component is used to keep the armature disc at a disengaged position from magnetic yoke. When the coil is energized in a forward direction, the iron core attracts the magnet and when the coil is energized in a reverse direction, the iron core generates an electromagnetic force to reduce an attractive force of the magnet.

Abstract: A fire-spreading prevention and flame-retardant material includes a gel carrier, a first flame retardant, a second flame retardant, a first flame barrier, a second flame barrier and an adhesive. The first flame retardant uses a collosol way to be distributed in the gel carrier. The second flame retardant uses the collosol way to be distributed in the gel carrier. The first flame barrier uses the collosol way to be distributed in the gel carrier. The second flame barrier uses the collosol way to be distributed in the gel carrier. The adhesive is dissolved in the gel carrier to improve a property of the gel carrier.

Abstract: A fire-spreading prevention battery module includes a plurality of battery cells, a plurality of fire-spreading prevention pads, an upper battery frame, a plurality of upper electrode plates, a lower battery frame, a plurality of first lower electrode plates and two second lower electrode plates. Each battery cell is formed in a cylinder shape. Each fire-spreading prevention pad wraps a peripheral surface of one battery cell. The plurality of the upper electrode plates are mounted on an upper surface of the upper battery frame. The plurality of the first lower electrode plates are mounted to a middle of a lower surface of the lower battery frame. The two second lower electrode plates are mounted to two ends of the lower surface of the lower battery frame. The plurality of the first lower electrode plates are arranged between the two second lower electrode plates.

Abstract: A method and apparatus are disclosed for non-collocated SCell selection for NR CA. In one embodiment, a network node is configured to estimate a first throughput for the WD at a first candidate secondary cell, the estimated first throughput being based on a measured inter-network node delay between the network node and a first network node supporting the first candidate secondary cell, the network node supporting a primary cell; and determine whether to select the first candidate secondary cell for the WD based on the first estimated throughput. In another embodiment, a network node is configured to determine an average amount of time resources associated with a Hybrid Automatic Repeat reQuest, HARQ, process exhaustion experienced by WDs connected to the first candidate secondary cell and primary cells with an inter-network node delay, d; and report the average amount.

Abstract: The present disclosure discloses an electric-machine shaft, wherein the electric-machine shaft is provided with a hollow structure in an axial direction at least one end, and the hollow structure is, at a position close to the end, provided with a coolant pumping mechanism having a spiral groove, so that the coolant is able to enter the hollow structure by an attractive force generated by rotation of the electric-machine shaft; the spiral groove is provided on an inner surface of an annular member, the annular member is fixedly mounted to the hollow structure, or the spiral groove is directly provided on an inner surface of the hollow structure; and the electric-machine shaft is provided with a plurality of groups of coolant channels in an axial direction, the coolant channels are in communication with the hollow structure, and when the electric-machine shaft is rotating, oil liquid inside the hollow structure is thrown out by the coolant channels, to cool components inside an electric-machine housing.

Abstract: A regenerable organic contaminant controller includes a carbon hollow fiber module that includes a passage between an inlet and an outlet, on an opposite end of the carbon hollow fiber module from the inlet, such that organic contaminants in contaminated air flowing through the passage are desorbed into pores of the carbon hollow fiber module. The regenerable organic contaminant controller also includes wires coupled to the inlet of the carbon hollow fiber module and to the outlet of the carbon hollow fiber module. The wires heat the carbon hollow fiber module based on a flow of electricity through the wires. The heat causes release of the organic contaminants from the pores of the carbon hollow fiber module.

Abstract: A sunken wheel-side motor drive axle that includes an axle beam assembly, two drive motor assemblies, two reducer assemblies and two hub assemblies. The two drive motor assemblies, two reducer assemblies and two hub assemblies are respectively disposed at left and right ends of the axle beam assembly. Moreover, the drive motor assemblies are symmetrically disposed at a bottom of the left and right ends of the axle beam assembly respectively; and the drive motor assemblies transmit power to the reducer assemblies, and the reducer assemblies drive the hub assemblies to rotate.

Abstract: Methods and apparatus for secure networking protocol optimization via NIC hardware offloading. Under a method, security offload entries are cached in a flow table or a security database offload table on a network interface coupled to a host that implements a host security database mapping flows to Security Association (SA) contexts. Each security offload entry includes information identify a flow and information, such as an offset value, to locate a corresponding entry for the flow in the host security database. Hardware descriptors for received packets that belong to flows with matching security offload entries are generated and marked with the information used to locate the corresponding entries in the host security database. The hardware descriptors are processed by software on the host and the location information is used to de-reference the location of applicable entries in the host security database.

Abstract: The present application provides a control device, a power-supply device, and a method for controlling a power-supply device. The control device, applied to a power converter, includes a primary controller, a secondary controller and a voltage detector, wherein the power converter includes a transformer having a primary winding and a secondary winding. The primary controller is configured to generate a PWM signal having an off-time and an on-time, wherein the power converter is operative to deliver power from the primary winding to the secondary winding during the on-time. The secondary controller monitors an output voltage of the power converter and applies a preset voltage to the secondary winding according to a threshold voltage and the output voltage. The voltage detector, coupled to the primary winding, drives the primary controller to adjust a period of the PWM signal in response to the application of the preset voltage.

Abstract: An electromagnetic clutch is provide that includes a fixed component, a driven component and an elastic component. The fixed component includes a magnetic yoke provided thereon with multiple iron cores, and each iron core is provided thereon with a coil. The driven component includes an armature disc provided thereon with multiple magnets. The armature disc and the magnetic yoke are disposed correspondingly, and the iron cores and the magnets are disposed correspondingly. The elastic component is used to keep the armature disc at a disengaged position from magnetic yoke. When the coil is energized in a forward direction, the iron core attracts the magnet and when the coil is energized in a reverse direction, the iron core generates an electromagnetic force to reduce an attractive force of the magnet.