Abstract: A heat pump system, a heat management method and a vehicle are provided. The heat pump system includes an integrated heat exchanger integrated with a superconducting liquid flow passage and a refrigerant flow passage. The refrigerant flow passage is provided inside an on-board refrigerant circulation loop and is used for cooling and/or heating to adjust the temperature within a passenger compartment of a vehicle. The superconducting liquid flow passage is in communication with a motor heat dissipating conduit, for absorbing the heat generated by an on board motor and transferring the heat to the integrated heat exchanger by means of phase change heat transfer. The heat pump system can increase the energy utilization rate for the vehicle and reduce the allowable ambient temperature of the heat pump system.

Abstract: A semiconductor device including a housing, a semiconductor chip disposed within the housing and having first and second metal electrodes, a first lead frame having a first end extending out of the housing and a second end terminating in a die pad, a top surface of the die pad including a cavity having a first quantity of solder disposed therein for electrically connecting the die pad to the first metal electrode, a second lead frame having a first end extending out of the housing and having a second end disposed adjacent the semiconductor chip, and a clip having a first end connected to the second of the lead frame and a second end extending over the semiconductor chip, a bottom surface of the second end of the clip including a recess having a second quantity of solder disposed therein for electrically connecting the clip to the second metal electrode.

Abstract: A light emitting device includes an epitaxial structure and first and second electrodes on a side of the epitaxial structure. The epitaxial structure includes a first-type semiconductor layer, an active layer, and a second-type semiconductor layer. The active layer is disposed between the first-type semiconductor layer and the second-type semiconductor layer. The first electrode is disposed on the epitaxial structure to be electrically connected with the first-type semiconductor layer. The second electrode is disposed on the epitaxial structure to be electrically connected with the second-type semiconductor layer. The second electrode is in ohmic contact with a second-type window sublayer of the second-type semiconductor layer.

Abstract: A big data-based intelligent algorithm for an intraoral prosthesis design scheme establishes an intraoral prosthesis design scheme database based on predetermined data of partially edentulous jaw, and is configured to conduct an accurate search for data of partially edentulous jaw to obtain a recommendation list of an accurate theme and a corresponding design scheme for an intraoral prosthesis design, or conduct a fuzzy search for data of partially edentulous jaw to obtain a recommendation list of a fuzzy theme and a corresponding design scheme for an intraoral prosthesis design. When oriented to a digital design of a removable partial denture, the intelligent system for the intraoral prosthesis design scheme constructed based on this intelligent algorithm displays a large number of intraoral prosthesis design schemes of different design themes to dental technicians in a three-dimensional manner.

Abstract: A vehicle control device, a vehicle control system and a vehicle are provided in the embodiments of the present disclosure, the vehicle control device includes a first resistor circuit, a comparator, a control switch, and a second resistor circuit; the comparator is configured to receive a first voltage from the air bag module and output a high level signal to the control switch to enable the control switch to be switched on according to the high level signal, enable a battery management system to be grounded after the control switch is switched on, and enable the battery management system to be powered off after the battery management system is grounded, where the first voltage is sent out by the air bag module when a vehicle collision event is detected.

Abstract: A gap caulking device and a caulking method are provided, wherein the gap caulking device includes long plates, short plates, a dial plate, a three-way joint, a tensioner and a limit rod, and a closed quadrilateral structure with an adjustable angle is formed by two long plates hinged to each other and two short plates hinged to each other, a dial plate and a pointer are respectively provided on the two short plates, damping rods hinged on the two short plates to each other and a three-way joint matched with the two long plates are passed through by a limit rod to achieve connection limiting, and a shape memory alloy wire is connected to the three-way joint by a tensioner and is parallel to the limit rod. The problem is overcome that the original traditional wedge-shaped material that gaps rely on has a single filling function.

Abstract: A multiple-channel protection device and associated methods thereof. The device includes a first lead having a first chip attachment portion and a second chip attachment portion, a second lead having a third chip attachment portion, and a third lead having a fourth chip attachment portion. A first semiconductor chip is configured to be conductively coupled to the first chip attachment portion and the third chip attachment portion. A second semiconductor chip is configured to be conductively coupled to the second chip attachment portion and the fourth chip attachment portion.

Abstract: The multi-lamp splicing apparatus includes a supporting base provided with several supporting surfaces; and a connector disposed on at least one of the supporting surfaces. The connector includes a support and a locking gear. The support and the corresponding one of the supporting surfaces form a first limiting space, and the locking gear is rotatably disposed in the first limiting space. The locking gear is provided with a locking column or a locking hole for connecting a lamp.

Abstract: Embodiments of the present application provide a method and a device for controlling train formation tracking, the method comprising: obtaining a current distance between a first train and a second train in a train formation, wherein the first train is adjacent to the second train and located behind the second train; determining a target tracking mode of the first train based on the current distance, wherein the target tracking mode is one of a speed tracking mode, a distance tracking mode and a braking mode; and tracking the second train, by the first train based on the target tracking mode. Tracking efficiency is improved according to the method of the embodiments of the present application.

Abstract: The invention relates to the field of plant genetic engineering. In particular, the invention relates to a method and system for multiplex genome editing suitable for plants, especially crops. More particularly, the invention relates to a CRISPR nickase-based system and method, which can simultaneously carry out different types of genome editing.

Abstract: A discrete semiconductor packaging structure and associated methods thereof. The structure includes a housing, a chip assembly pad being encapsulated by the housing, where the chip assembly pad is configured for coupling to a semiconductor chip. The structure further includes one or more leads, at least partially encapsulated by the housing, a clip including one or more terminals and a chip linker, where the terminals being configured for coupling to one or more leads, and a heat dissipation block, where the chip linker being coupled between the semiconductor chip and the heat dissipation block. The heat dissipation block is configured for removing heat from the semiconductor chip during operation.

Abstract: An oxaspiro substituted pyrrolopyrazole derivative, an intermediate thereof, and a preparation method therefor.

Abstract: The present disclosure relates to the technical field of surveying and mapping building structures, in particular to a built-in gap measuring device and a gap measurement method. The built-in gap measuring device includes an adjustment mechanism and measuring mechanisms disposed on both sides of the adjustment mechanism. The adjustment mechanism can adjust the distance between two groups of measuring mechanisms, and the measuring mechanism includes a panel structure and a measuring column. The panel structure includes a bottom cover close to the adjustment mechanism and a top cover away from the adjustment mechanism. A plurality of rows of elastic column holes are arranged on the top cover in array, column seats in one-to-one correspondence with elastic column holes are arranged inside the panel structure in array.

Abstract: A surface mounting apparatus, structure, and associated methods thereof. The surface mounting apparatus includes a housing, a lead frame, at least partially encapsulated by the housing. The lead frame includes a chip mounting surface having a chip mounting pad, and one or more first stress relief features disposed outside of the chip mounting surface. The apparatus further includes another lead frame, at least partially encapsulated by the housing.

Abstract: A TVS device may include a substrate, comprising a polarity of a first type, a first dopant layer, disposed on a first main surface of the substrate, and comprising a polarity of a second type, wherein the first dopant layer forms a P/N junction with the substrate. The TVS device may further include a second dopant layer, disposed on a second main surface of the substrate, opposite the first main surface, the second layer comprising the polarity of the first type, and a patterned layer, disposed on the second main surface of the substrate, the patterned layer comprising the polarity of the second type, wherein the patterned layer is interspersed with the second layer.

Abstract: A reshaping method for metal product includes acquiring position data information of a workpiece; converting the position data information into coordinate information, and fitting the coordinate information to obtain a surface contour curve of the workpiece; comparing the surface contour curve with a standard contour curve to generate a comparison result; obtaining reshaping information of the workpiece based on the comparison result; and controlling the reshaping system to reshape the workpiece. The disclosure acquires position data information of the workpiece by measuring, converts the position data information into coordinate information, fits the coordinate information to obtain the surface contour curve of the workpiece, compares the surface contour curve with the standard contour curve to obtain deformation situation, and reshapes the workpiece according to the reshaping information based on the deformation situation, which improves efficiency of workpiece reshaping and reducing labor costs.

Abstract: A device for detecting a slot wedge, an air gap and a broken rotor bar is provided, where a sequential circuit generates double concurrent pulses; the sequential circuit is connected to driving power modules; the driving power modules are connected to front-end interface circuits; the front-end interface circuits convert the double concurrent pulses into corresponding magnetic-field pulses; the magnetic-field pulses are transmitted to power supply terminals on adjacent phases of stator windings through impedance matching pins and coupled at a corresponding coil, air gap and squirrel cage rotor to generate single groups of cyclic rotating magnetic potentials; single rotating magnetic potentials are sequentially generated in adjacent slots on each of the phases of the stator windings; rotating electric potentials in magnetic circuits with two symmetrical phases are magnetically coupled to form distributed coupling magnetic field reflected full-cycle waves for reflecting a difference of a corresponding slot wedg

Abstract: A data processing method includes: generating a service serial number for a target service according to a preset naming rule; obtaining service data of the target service; obtaining a target data table from a plurality of pre-configured data tables, according to the service serial number; and storing the service data to the target data table.

Abstract: Methods, apparatuses, and systems are disclosed for simulating a tooth whitening procedure. The simulation may generally obtain a patient's two-dimensional or three-dimensional dental scan and color space convert color information from a first or native color space to a color space based on an International Commission on Illumination color space (CIELAB). The simulation may include modifying color information in the CIELAB color space then returning the modified color information to the native color space.