Abstract: An intelligent power module (IPM) package structure and a hybrid ceramic board are provided. The hybrid ceramic board includes an insulating ceramic layer, a conductive layer connected to the insulating ceramic layer, and a direct-plated copper (DPC) ceramic substrate that is fixed onto the insulating ceramic layer. The conductive layer has a circuit layout slot recessed from an outer surface thereof to the insulating ceramic layer. The conductive layer has a plurality of first circuits, and any two of the first circuits adjacent to each other have a first conductor space therebetween that has a first minimal critical interval. The DPC ceramic substrate is disposed in the circuit layout slot and has a plurality of second circuits. Any two of the second circuits adjacent to each other have a second conductor space therebetween that has a second minimal critical interval less than the first minimal critical interval.

Abstract: Disclosed is a reconfigurable surface configured to modulate a phase of an electromagnetic wave. The reconfigurable surface includes a first substrate, a plurality of modulating units, and a ground signal layer. The plurality of modulating units are disposed on the first substrate. One of the plurality of modulating units includes a first electrode, a second electrode, and a modulating medium. The first electrode is disposed on the first substrate. The second electrode is disposed adjacent to the first electrode. The modulating medium is located between the first electrode and the second electrode. The ground signal layer is disposed under the first substrate. A manufacturing method of a reconfigurable surface is also provided.

Abstract: A multi-order optical modulator and modulation method for on-chip optical matrix calculation are provided. The modulator includes: input waveguides, a 2×2 optical beam splitter, initial phase modulators, multi-order phase modulators, a 2×2 optical beam combiner, and an output waveguide; the input waveguides include a first input waveguide and a second input waveguide; the initial phase modulators include a first initial phase modulator and a second initial phase modulator; the multi-order phase modulators include a first multi-order phase modulator and a second multi-order phase modulator which are connected to the first initial phase modulator and the second initial phase modulator; and two input ends of the 2×2 optical beam combiner are respectively connected to the first multi-order phase modulator, the second multi-order phase modulator, and the output waveguide.

Abstract: A metro rail corrugation measurement method based the Seq2Seq model and vibration and noise data fusion comprises the following steps: Constructing a time series data set corresponding to floor longitudinal acceleration and train speed based on historical data of metro trains; Constructing the metro train mileage matching prediction model based on the Seq2Seq model, training the metro train mileage matching prediction model by time series data sets, and inputting the inside floor longitudinal acceleration of the metro train to be detected into the trained metro train mileage matching prediction model to obtain the running speed of the metro train to be detected. According to the vibration and noise data of the metro train to be detected, the vibration and noise composite index of the rail corrugation is calculated to determine the wavelength and amplitude information corresponding to the rail corrugation.

Abstract: A segmental precast composite-material composite-slab composite beam and a construction method thereof are provided, relating to the technical field of bridge design and construction. The segmental precast composite-material composite-slab composite beam mainly includes a segmental precast orthotropic composite top slab, a web, a bottom slab, and a wet joint between segments. The orthotropic composite top slab is composed of an orthotropic slab and an ultra-high-performance concrete layer (UHPC), and the interface connection of the orthotropic slab and the UHPC structural layer is achieved by a shear key. The UHPC structural layer is superposed with the orthotropic slab in segments in a precast plant to form a composite-slab composite beam segment to be entirely transported, hoisted and assembled, and the connection of the UHPC structural layers between the segments is achieved by casting a transverse wet joint in place.

Abstract: A data protection device includes a memory, a read-only memory and a verification circuit. The read-only memory stores first confidential data, and transmits the first confidential data to the memory after being powered up, wherein the first confidential data includes multiple groups of repetitive data and the groups of repetitive data are the same with one another. The verification data determines whether the first confidential data is valid before a processor reads the first confidential data from the memory, and allows the processor to read the first confidential data from the memory when the first confidential data is valid.

Abstract: A communication method and apparatus to prevent a network device from frequently configuring signatures for a terminal device, and to reduce signaling overheads and power consumption of the network device and the terminal device. A terminal device determines a first downlink signal from a plurality of downlink signals. The terminal device determines, based on the first downlink signal, at least one signature from a plurality of signatures that have a mapping relationship or an association relationship with the plurality of downlink signals. The terminal device sends data by using the at least one signature.

Abstract: A control method includes monitoring pose change information of an electronic device, and controlling an operating parameter of a target detector based on the pose change information, to control an output parameter of the electronic device according to detection data of the target detector.

Abstract: Provided are a water pan and an indoor unit. The water pan includes: a frame including an annular side wall and a mounting groove body; and a water tray arranged in the mounting groove body. An annular air outlet surrounding the water tray is formed between the annular side wall and the water tray. The annular air outlet is continuously arranged, which reduces a blind region of an air supply at a partition of an air outlet, expands an air supply range, and enables the indoor unit using the water pan to realize a 360° air supply.

Abstract: A communication method for reducing resource overheads and improving decoding efficiency, is applied to a communication system. The method includes: a terminal device sends resource reservation information, where the resource reservation information is used to reserve a grant-free resource; and the terminal device sends data on an actually reserved grant-free resource.

Abstract: Provided herein are screening methods and animal models related to intraocular diseases such as age-related macular degeneration (AMD), for example, for identifying candidate therapeutics for treating or preventing eye diseases, such as AMD. Also provided herein are compounds/compositions that are useful for killing or inhibiting the growth of a microorganism, such as Bacillus megaterium. Further provided herein are methods of using the compounds/compositions for treating infections with a microorganism, such as Bacillus megaterium and for treating or preventing diseases or disorders associated with such infections, such as AMD.

Abstract: The application provides a gear control circuit and system for an alternating current motor. The gear control circuit includes: a plurality of controllable switches; a detection unit, configured to detect switching statuses corresponding to the controllable switches; a gear input unit, configured to receive a target gear m inputted from outside; and a control unit, connected to the gear input unit and configured to obtain the target gear m. The application also provides a switch controller and an electronic device. The switch controller includes a signal modulation circuit, a signal follower circuit, a comparison circuit, and a switch control circuit. The switch controller may perform digital-to-analog conversion by using the signal modulation circuit, to modulate a first PWM signal being a digital signal into a second PWM signal being an analog signal, and then the signal follower circuit performs load amplification on the modulated second PWM signal.

Abstract: A composition contains: (A) a curable silicone composition including: (a1) a vinyldimethylsiloxy-terminated polydimethylpolysiloxane having a viscosity in a range of 30-400 milliPascal*seconds, (a2) a silicon-hydride functional crosslinker, and (a3) a hydrosilylation catalyst, where the molar ratio of silicon-hydride functionality from the crosslinker to vinyl functionality is in a range of 0.

Abstract: An electronic device includes a memory and is coupled to an external storage device that stores a boot code of the electronic device. An operation method of the electronic device includes the following steps: (A) writing a first segment of the boot code into a memory block of the memory, (B) executing a part of the first segment of the boot code; and (C) executing a target code in the memory block in response to an interrupt.

Abstract: A circuit board includes first circuit substrate and second circuit substrate; first circuit substrate includes: a first base layer arranged on the first circuit layer and a plurality of first conductive bodies on the substrate layer; the first circuit layer includes a hot pressing area and a non-hot pressing area except the hot pressing area. One end of the first conductive body is electrically connected to the hot pressing area and the other end is exposed to the first base layer; second circuit substrate includes: a second base layer, a second base layer arranged on the second circuit layer and a plurality of second conductive bodies; one end of the second conductive body is electrically connected to the second circuit layer, and the other end is exposed on the second base layer; The body is electrically connected to the second conductive body.

Abstract: There is provided a display apparatus, including: a display module; a first side frame and a second side frame on two sides of the display module in a width direction of the display module; a fixing structure on a non-light-emitting side of the display module and detachably connected to the first side frame and the second side frame, the fixing structure being configured to fix the display module; and an adapter, including a first connection part and a second connection part which are fixedly connected. At least one of a first side surface of the first side frame facing the display module or a second side surface of the second side frame facing the display module is detachably connected to the first connection part, and the second connection part is detachably connected to the fixing structure.

Abstract: Disclosed are an SOS1 degrading agent and a preparation method therefor and use thereof. Specifically, disclosed is a compound of formula I: S-L-E (I), wherein L is a linking chain, which links S and E by means of covalent bonds; E is a small molecule ligand of an E3 ubiquitin ligase complex. The compound of formula I of the present invention can degrade and/or inhibit SOS1 protein in cells, and can be used for the treatment and/or prevention of an SOS1-mediated disease or disorder, or a disease or disorder caused by the interaction of SOS1 with Ras or SOS1 with Rac.

Abstract: Disclosed are an SOS1 degrading agent and a preparation method therefor and use thereof. Specifically, disclosed is a compound of formula I: S-L-E(I), wherein L is a linking chain, which links S and E by means of covalent bonds; E is a small molecule ligand of an E3 ubiquitin ligase complex; and S is the structure shown in S7. The compound of formula I of the present invention can degrade and/or inhibit SOS1 protein in cells, and can be used for the treatment and/or prevention of an SOS1-mediated disease or disorder, or a disease or disorder caused by the interaction of SOS1 with Ras or SOS1 with Rac.

Abstract: Antenna assemblies are described herein. In particular, described herein are multi-focal-point antenna devices and compact radio frequency (RF) antenna devices. Any of these assemblies may include a primary feed that includes a single patterned emitting surface from which multiple different beams of RF signals are emitted corresponding to different antenna input feeds each communicating with the patterned antenna emitting surface. The antenna assembly is therefore capable of emitting beams in the same direction having different polarizations using a single primary feed.

Abstract: This application provides an isolation plate assembly, a battery, and an electric apparatus. The isolation plate assembly includes: an isolation plate body, where the isolation plate body is provided with an accommodating seat; and a protection member, where the protection member is disposed in the accommodating seat and defines an accommodating space together with the accommodating seat. The accommodating seat is provided with a removal portion, such that at least part of the accommodating space is observable via the removal portion. The removal portion is provided such that conditions in the accommodating space can be observed clearly and easily, without the need to turn over the isolation plate assembly to inspect the components mounted in the accommodating space. Such arrangement greatly reduces the inspection costs, improves inspection efficiency, and avoids repeatedly turning over the isolation plate assembly, thereby enhancing the reliability of the inspection method.