Abstract: A hybrid transactional/analytical processing (HTAP) database includes an online transaction processing (OLTP) engine, an online analytical processing (OLAP) engine provided separately from the OLTP engine, and a shared storage holding data of multiple tenants. The shared storage is configured to receive a request for a first scan from a first tenant and a request for a second scan from a second tenant, execute the first scan, and after a predetermined first period of time has elapsed without the first scan finishing, pause the first scan and execute the second scan.

Abstract: A power divider network includes a cover plate, a reflection plate, a support component, and a feed line. The reflection plate is arranged separately from the cover plate. A first surface of the reflection plate is a reflection surface. A plurality of connectors protrude from a second surface of the reflection plate opposite to the reflection surface. The plurality of connectors are arranged at intervals. The plurality of connectors are coupled with the cover plate and divide the space between the reflection plate and the cover plate into at least one hollow chamber. The support component is at least partially arranged in the hollow chamber. The feed line is arranged in the hollow chamber and mounted at the support component.

Abstract: The hybrid battery system includes a primary battery pack, a secondary battery pack, a battery control unit, a battery pack positive terminal, and a battery pack negative terminal. The battery control unit includes a management module and a variable resistor. The primary battery pack supplies power at lower temperatures, while the secondary battery pack supplies power at higher temperatures. The primary battery pack is unsafe at higher temperatures, and the primary cells within the primary battery pack are modified to mitigate the dangers that previously rendered the primary battery pack unusable in a hybrid battery pack at higher temperatures. The invention includes the method of safely operating the hybrid battery system with the modified primary battery cells of the primary battery pack.

Abstract: The present disclosure is related to systems and methods for image processing. The method includes obtaining an original image. The original image includes at least one blood vessel region and at least one scalp region. The method includes determining an intermediate image by removing the at least one scalp region from the original image. The method includes generating at least one target image by performing a maximum intensity projection operation on the intermediate image. The at least one target image represents the at least one blood vessel region in the original image.

Abstract: A controller initiates discharging of at least some cells of a traction battery based on data indicative of cell state of charge and cell capacity such that, upon completion of the discharging, states of charge of at least some of the cells are different, and after charging the cells with a same current for a same period of time, the states of charge fall with a predefined range of values.

Abstract: A fastener driver includes: a trigger assembly operated by a user to switch between a first state in which a striker is allowed to strike a fastener and a second state in which the striker is forbidden to strike the fastener; a lifting assembly, where at least part of the lifting assembly is movably disposed in a magazine to drive the fastener to move in the magazine; and a dry fire prevention assembly having a dry fire prevention state, where the dry fire prevention assembly includes a stopper, and in the dry fire prevention state, the trigger assembly is forbidden by the stopper to switch to the first state. When the trigger assembly obstructs the stopper from performing a first motion, the lifting assembly drives the stopper to perform a second motion.

Abstract: A transistor assembly with gate current shunting capability includes a first N-channel field effect transistor (FET) having a first gate, a first drain electrically coupled to a first power supply, and a first source. A first pull-down circuit element is electrically coupled to the first gate. A first switching device is electrically coupled in series with the first pull-down circuit element. A control circuit, at least partially powered by a second power supply, generates a first control signal to control the first switching device and thereby control an operating state of the first FET. A capacitor and a second FET are collectively configured to shunt current away from the first gate during a pre-power operating state in which the first power supply is active and the second power supply is inactive. A second switching device discharges a gate-to-source capacitance of the second FET when the second power supply becomes active.

Abstract: A clamping device includes a shaft body having an axial opening, extending along a first straight line, and a hole; a retainer configured to move within the hole; a sleeve sleeved on the outer circumference of the shaft body and configured to move axially relative to the shaft body; an abutting member abutting against the rear side of the retainer; a first elastic member located on the front side of the retainer; and a second elastic member located on the rear side of the retainer and being in contact with the abutting member. The sleeve includes a protrusion that extends along a second straight line and that abuts against the shaft body where the second straight line intersects the first straight line. Along the direction of the first straight line, the protrusion is located at the front end of the retainer and is not in contact with the retainer.

Abstract: Disclosed is a pre-split roof caving method based on the collaboration of foam fracturing and blasting for coal mines, including: S1, construction of a borehole; S2, preparation of a foam fracturing fluid; S3, fracturing; and S4, roof caving by blasting. Foam fracturing and blasting are combined, and a great many of fractures are generated in a roof rock stratum by foam fracturing, such that the strength of the roof rock stratum is reduced, a blasting space is provided for blasting, pre-caving of a roof is realized, and safety problems caused by difficult caving of a tight roof in a goaf are avoided.

Abstract: A method of determining status of health (SOH) of an ultra-capacitor cell stack having a plurality of ultra-capacitor cells. The method includes measuring a parameter of each of the plurality of ultra-capacitor cells and measuring a temperature associated with each of the ultra-capacitor cells. The parameter measured with respect to each of the plurality of ultra-capacitor cells is converted to a nominal parameter based on the measured temperature. The SOH of the UCM cell stack is calculated based on the nominal parameters associated with each of the plurality of ultra-capacitor cells.

Abstract: An augmented reality display device and a diopter adjustment method are provided. The augmented reality display device includes a display unit, a lens group and a light guide assembly. The lens group is arranged on an output light path of the display unit, and light from the display unit is transmitted through the lens group, incident on the light guide assembly, and propagated to an eyebox area through the light guide assembly. The method includes: controlling the display unit and the lens group to move along an optical axis to change a diopter between a first diopter value and a second diopter value; and controlling the display unit to move along the optical axis to change the diopter between the second diopter value and a third diopter value.

Abstract: In an embodiment a supplementary uplink (SUL) configuration method includes determining, by an access network device, a plurality of synchronization signal blocks (SSBs), wherein each of the plurality of SSBs comprises configuration information of one SUL and broadcasting, by the access network device, the plurality of SSBs on a downlink.

Abstract: An electronic device includes a circuit board assembly and an expansion card assembly. The circuit board assembly includes a circuit board body, a first circuit board connection port, a second circuit board connection port, and a third circuit board connection port. The expansion card assembly is adapted for plugging in the circuit board assembly, and includes an expansion card body, a first expansion card connection port, and a second expansion card connection port. When the expansion card assembly is plugged in the circuit board assembly, the first expansion card connection port is docked with the first circuit board connection port, the second expansion card connection port is docked with the second circuit board connection port, and the third circuit board connection port is electrically connected to the expansion card body through the second circuit board connection port and the second expansion card connection port.

Abstract: The present application discloses a data processing method and apparatus, device, medium and product, where the method includes: acquiring a target image, a semantic-level feature of the target image, a pixel-level feature of the target image, a semantic-level codebook, and a pixel-level codebook, where a plurality of indices are shared between the semantic-level codebook and the pixel-level codebook, and different indices indicate different entries in the same codebook; summing, for any of the indices, a distance between an entry indicated by the index in the semantic-level codebook and the semantic-level feature and a distance between an entry indicated by the index in the pixel-level codebook and the pixel-level feature to obtain a distance sum corresponding to the index; and comparing the distance sums corresponding to the indices to obtain a minimum value, and determining an indexed result of the target image according to an index corresponding to the minimum value.

Abstract: The present application discloses an image generation method and apparatus, a device, a medium and a product. The method includes a process of predicting a token sequence under a plurality of scales, and the process of predicting a token sequence under each scale is obtained through multiple rounds of sampling prediction, so as to realize a later round of sampling prediction on the basis of a result obtained from an earlier round of sampling prediction under the same scale so that the later round of sampling prediction may acquire an associated relationship between different local areas (for example, different local areas represented by different tokens) from the result.

Abstract: Various embodiments include a neutralizing magnetic component arrangement in a variable aperture device for a camera system. The variable aperture device may include a rotor, a stator, aperture blades arranged to form an aperture stop, and an actuator for moving the aperture blades to change a size of the aperture. In various embodiments, magnetic components of the actuator may include magnetic configurations which may cause a neutralizing force on the rotor, reducing or eliminating magnetic forces and magnetic torques exerted on the rotor from magnetic components of the variable aperture device.

Abstract: The disclosure provides an external box and an external device having the external box. The external box is adapted to accommodate a graphics card and a mainboard, and adapted to connect to a computer device. The external box includes a shell and a circuit board. The circuit board is arranged at a bottom of the shell, and includes an external connector, a first connector, and a second connector. The external connector is arranged at an edge of the circuit board, and adapted to connect to the computer device. The first connector is arranged on an upper surface of the circuit board, and is electrically connected to the external connector. The first connector is adapted to install the graphics card. The second connector is arranged on the upper surface, and is electrically connected to the first connector. The second connector is adapted to install mainboard.

Abstract: Disclosed herein are methods and devices for cleaning a surface of a substrate having a layer of dust disposed thereon by ejecting at least a portion of the dust from the surface. The methods comprise irradiating the layer of dust with an electron beam, such that the electron beam irradiates a particle thereby inducing said particle to emit a plurality of secondary electrons; wherein at least a portion of the plurality of secondary electrons impinge two or more neighboring particles to thereby generate a secondary charge on the two or more neighboring particles, wherein the secondary charge on the two or more neighboring particles creates an electrostatic repulsive force between said particles, wherein the electrostatic repulsive force is sufficient to eject said particles from the surface.