Abstract: A gate driving unit of a gate driving circuit includes a pull-up node control circuit configured to control a potential of a pull-up node, a pull-down node control circuit including a pull-down node control transistor electrically connected to a pull-down node, and a gate driving output circuit configured to control a gate driving signal under the control of voltage signals of the pull-up node and the pull-down node. The pull-down node control circuit controls the potential of a pull-down node under the control of a control voltage signal, a fixed voltage signal, and a voltage signal of the pull-up node. The control voltage signal of the gate is less than the fixed voltage signal of the drain of the pull-down node control transistor, or the fixed voltage signal of the gate is less than the control voltage signal of the drain of the pull-down node control transistor.

Abstract: A semiconductor optical device includes a substrate having a silicon layer, a semiconductor element includes a mesa, and the semiconductor element is formed of a III-V group compound semiconductor and has an optical gain. The silicon layer includes a waveguide, a recess, and a first slab portion. The recess is a recessed portion lower than a surface of the waveguide and a surface of the first slab portion, and the recess is provided on each of two sides of the waveguide. The first slab portion is connected to the waveguide. The semiconductor element is bonded to the first slab portion. The mesa is located on or above the first slab portion.

Abstract: Provided are a nitride semiconductor light emitting element of good quality and a method for producing a nitride semiconductor light emitting element of good quality. A nitride semiconductor light emitting element (1) includes an n-AlInN layer (12) containing Al and In in its composition, a GaN cap layer (13) stacked on a surface of the n-AlInN layer (12) and containing Ga in its composition, and an n-AlGaN composition gradient layer (14) stacked on a surface of the GaN cap layer (13) and containing Al and Ga in its composition. A molar fraction of AlN at an interface of the n-AlGaN composition gradient layer (14) stacked on the surface of the GaN cap layer (13) is 0.36 or more and 0.44 or less.

Abstract: A wireless power transmission device includes a resonator configured to transmit wireless power to another device and includes at least one coil and at least one capacitor, an internal space formed inside the at least one coil, and a power transmission circuit disposed in the internal space.

Abstract: The present disclosure includes a voltage provision circuit. In one aspect of the present disclosure, a voltage provision circuit is disclosed. The voltage provision circuit includes a first NMOS transistor gated with a first control signal and sourced with a ground voltage. The voltage provision circuit includes a second NMOS transistor gated with a second control signal complementary to the first control signal and sourced with the ground voltage. The voltage provision circuit includes a first PMOS transistor sourced with a first supply voltage. The voltage provision circuit includes a second PMOS transistor sourced with the first supply voltage. The voltage provision circuit includes a voltage modulation circuit, coupled between the first to second PMOS transistors and the first to second NMOS transistors, that is configured to provide a first intermediate signal based on the first and second control signals.

Abstract: The disclosure provides a radio frequency device, comprising a DCS with a surface that comprises scattering elements having a controllable phase shift, a transmitter configured to transmit an electromagnetic wave onto the scattering surface of the DCS, and a DCS controller. The DCS controller determines a codeword based on one or more parameters of the DCS, a characteristic of the electromagnetic wave transmitted by the transmitter and a characteristic of a desired electromagnetic wave scattered by the scattering surface of the DCS 102. The codeword determines a phase shift configuration for the plurality of scattering elements of the scattering surface of the DCS. Then, the DCS controller controls, using the codeword, the scattering elements of the scattering surface of the DCS to form the desired electromagnetic wave by scattering the electromagnetic wave transmitted by the transmitter.

Abstract: The invention discloses an equivalent heat source modeling method for oscillating laser welding, comprising: constructing an energy distribution cloud chart of an actual laser welding heat source under different oscillating trajectories, oscillating frequencies and oscillating amplitudes; extracting an energy distribution curve along the center of the heat source, and acquiring spatial position information of multiple target points of interest; constructing an equivalent Gaussian heat source model for each of the target points of interest; and verifying matching degrees between each Gaussian heat source model and the actual laser welding heat source, and taking Gaussian heat source models passing the verification as equivalent heat source models of the actual laser welding heat source.

Abstract: A nonaqueous electrolyte secondary battery including: an electrode group including a first electrode having a first current collector, a second electrode having a second current collector, and a separator interposed therebetween; a nonaqueous electrolyte; all housed in a battery case. The first electrode and the second electrode are wound with the separator interposed therebetween, with an outermost layer of the first electrode disposed further outside than an outermost layer of the second electrode. The winding-finish end of the first electrode is an end of an excess portion which is wound around an outer surface of the first electrode on an inner layer side, without the second electrode interposed therebetween. The circumferential length L1 of the excess portion is 90% or more of the circumferential length L of the first electrode of the outermost layer. The excess portion has a functional layer disposed on a surface of the first current collector.

Abstract: A battery pack of the present disclosure can include a plurality of pouch-type battery cells. Each cell can have a receiving portion in which an electrode assembly is accommodated and an edge portion around the receiving portion. A pack case can accommodate the pouch-type battery cell in an upright state by placing the edge portion downward in an internal space of the pack case. A cell cover can at least partially surround at least some of the pouch-type battery cells in the internal space of the pack case by surrounding the upper edge portion of the pouch-type battery cell and exposing the lower edge portion of the pouch-type battery cell. The cell cover can include a separation space and a a pocket structure for restricting the movement of gas emitted from the pouch-type battery cell in the horizontal direction and upward across the upper edge portion within the separation space.

Abstract: A semiconductor package may include a first package substrate; a power supply device electrically connected to a top surface of the first package substrate; a power management semiconductor chip electrically connected to the top surface of the first package substrate, wherein the power management semiconductor chip is horizontally apart from the power supply device; and a semiconductor device electrically connected to the top surface of the first package substrate, wherein the semiconductor device is horizontally apart from the power management semiconductor chip, wherein the semiconductor device includes: a second package substrate electrically connected to the top surface of the first package substrate; a semiconductor chip electrically connected to a top surface of the second package substrate; and a sub-battery electrically connected to the semiconductor chip through the second package substrate or directly connected to the semiconductor chip.

Abstract: A method includes: forming, on a first substrate, a first bonding layer including a first metal oxide material in an amorphous state; forming, on a second substrate, a second bonding layer including a second metal oxide material in an amorphous state; annealing the first and second bonding layers using a laser source, so as to convert the first and second metal oxide materials to a crystalline state; forming, on the first bonding layer, a third bonding layer including a third metal oxide material in an amorphous state; forming, on the second bonding layer, a fourth bonding layer including a fourth metal oxide material in an amorphous state; bonding the first and second substrates to each other through the first to fourth bonding layers; and annealing the third and fourth bonding layers using a heat source, so as to convert the third and fourth metal oxide materials to a crystalline state.

Abstract: Embodiments of the present disclosure provide an acquisition temperature circuit, method, and device, a storage medium, and a charging and power distribution system assembly. The acquisition temperature circuit includes a main control board and a power board provided with a first thermistor, a second thermistor, and an optocoupler isolation circuit. The first thermistor is connected to the optocoupler isolation circuit, the optocoupler isolation circuit is connected to the main control board, and the second thermistor is connected to the main control board. In the technical solutions provided by the embodiments of the present disclosure, two thermistors are provided on the power board of the charging and power distribution system assembly, avoiding temperature measurement errors caused by over-range of the thermistor located on the power board, improving the accuracy of temperature acquisition of the charging and power distribution system assembly, and thus improving the charging safety of the power battery.

Abstract: The present disclosure relates to anti-cancer uses utilizing an adenosine diphosphate (ADP)-ribose binding peptide and ADP-ribose. A pharmaceutical composition of the present disclosure accumulates ADP-ribose in cancer cells, thereby disrupting the cellular balance to induce cancer cell death, and having excellent anti-cancer effects, particularly in cancers that are resistant to conventional PRAP inhibitors.

Abstract: The present disclosure provides a ball valve with an antistatic function, the ball valve including a cap unit and a body unit coupled to each other to provide a flow passage of a fluid; a ball unit provided on the flow passage of the fluid to control a flow of the fluid by rotation; a handle unit providing an external force for the rotation of the ball unit; a stem unit connecting the ball unit and the handle unit to transmit the external force provided by the handle unit to the ball unit; a first lined unit provided on an inner surface of the cap unit to prevent the cap unit from coming into contact with the fluid and prevent oxidation of the cap unit due to the fluid.

Abstract: The present disclosure provides a device for preventing breakage of a diaphragm for a normal-open solenoid valve, the device including a pressure transmission prevention means installed in an inlet region of a square hole and configured to prevent pressure, which is generated by a fluid, from being transmitted to a diaphragm in order to prevent the diaphragm from being broken by pressure applied to the diaphragm by the fluid introduced through the center hole and passing through the square hole.

Abstract: Disclosed is a method and system for pipeline waste gas safety treatment of smart gas based on an Internet of Things (IoT). The system comprises a smart gas government safety supervision management platform, a smart gas government safety supervision sensor network platform, a gas company management platform, a gas company sensor network platform, and a smart gas equipment object platform. The gas company management platform includes a processor and is configured to: determine, a waste gas emission standard for a pending pipeline; in response to the pending pipeline beginning to emit waste gas, obtain an instant treatment parameter of a waste gas treatment device in the pending pipeline; determine an expected treatment parameter corresponding to a preset future time point; and generate an adjustment instruction to control the smart gas equipment object platform to adjust a treatment parameter of the waste gas treatment device based on the adjustment instruction.

Abstract: Provided are a solid-state drive and a wear leveling method. The solid-state drive includes a plurality of zones, a mapping relationship and an SSD controller. The SSD controller is configured to: determine, according to the mapping relationship, an identifier of a first target zone corresponding to an identifier of a to-be-written zone in response to receiving a data write command from a host drive unit, and write the to-be-written data to the first target zone. The data write command carries the identifier of the to-be-written zone determined by the host drive unit and to-be-written data, the mapping relationship includes an identifier of an alternate zone corresponding to an identifier of each of the plurality of zones, and the alternate zone of each zone is a zone, determined from the plurality of zones, with fewest programmed/erased cycles.

Abstract: A viewing direction specifying unit specifies a viewing direction as a direction of a user's line of sight for the VR space. An image generation unit generates the VR image according to the viewing direction by arranging in the VR space, a plurality of live-action images captured by a plurality of cameras having different imaging directions of imaging a real space so as to have an overlap area in which the respective viewing regions of the adjacent live-action images partially overlap with each other. Further, the image generation unit dynamically switches based on the viewing direction, the live-action image to be displayed in the overlap area between the adjacent live-action images.

Abstract: The present invention provides a hydrophobic silica powder having a small particle size, a narrow particle size distribution, and a high hydrophobicity, and containing a very small amount of organic acid, and toner resin particles having the hydrophobic silica powder on the surface thereof. A hydrophobic silica powder having a particle size (D50) as measured by a laser diffraction method of 300 nm or less, a particle size distribution index (D90/D10) of 3.0 or less, a hydrophobicity of 60% by volume or more, and an organic acid content of 1 to 300 ppm.

Abstract: A forestry machine is provided with work equipment having a cutting tool for felling a tree. A position measurement device measures a position of the forestry machine. A prohibition unit prohibits driving of the work equipment in a case in which the measured position is within a felling prohibition area.