Abstract: A modified Ni—Ti—Ta dielectric material for multi-layer ceramic capacitor (MLCC) and a low-temperature preparation method thereof are provided. By using characteristics that radii of the Cu2+ ion and (Al½Nb½)4+ ion are close to those of Ni and Ti elements, respectively, Cu2+, Al3+ and Nb5+ ions are introduced into a Ni0.5Ti0.5TaO4 matrix for partial substitution, a negative temperature coefficient of dielectric constant of -220±30 ppm/°C is provided while a sintering temperature is significantly reduced, and deterioration factors of loss caused by sintering aids is reduced, so that the dielectric material applied to radio frequency MLCC with low loss, low cost and good process stability is prepared.

Abstract: Embodiments of the present disclosure relate to attribute and rating co-extraction. According to embodiments of the present disclosure, a method is proposed. The method comprises: determining, by a first sub-network of a model, a first feature representation based on a first token contained in a text, the first feature representation indicating semantic information of the first token in the text; determining, by a second sub-network of the model, first attribute information associated with the first token based on the first feature representation, the first attribute information indicating a first attribute involved in the text; and determining, by a third sub-network of the model, first rating information associated with the first token based on the first feature representation, the first rating information indicating a rating related to the first attribute.

Abstract: Embodiments of the present disclosure relate to semantic parsing for short text. According to embodiments of the present disclosure, a method is proposed. The method comprises: obtaining a set of sentences associated with a short text, each of the set of sentences containing all of words in the short text; determining a set of syntactic features associated with the set of sentences, each of the set of syntactic features indicating at least one of a constituency relation and a dependency relation of the corresponding sentence; and determining a semantic structure of the short text based on the set of syntactic features.

Abstract: An organic electroluminescent device and a display apparatus, where the organic electroluminescent device includes an anode functional layer, a first electron blocking layer, a second electron blocking layer, a light-emitting layer and a cathode functional layer; the first electron blocking layer includes a red light electron blocking layer and a green light electron blocking layer, which are disposed side by side, and the second electron blocking layer is a blue light electron blocking layer; a HOMO energy level of a red light electron blocking material in the red light electron blocking layer and a HOMO energy level of a green light electron blocking material in the green light electron blocking layer are both lower than a HOMO energy level of a blue light electron blocking material in the blue light electron blocking layer.

Abstract: The present invention relates to a two-part epoxy-based structural adhesive composition, comprising a first part and a second part, the first part comprising: i) a first aromatic difunctional epoxy resin having an epoxide equivalent weight (EEW) of less than 400 g/eq, ii) a second aromatic difunctional epoxy resin having an epoxide equivalent weight of from 400 g/eq to 3000 g/eq, and iii) a shell-core toughening agent; the second part comprising: I) a non-aromatic polyetheramide amine and II) an alicyclic amine. Moreover, the present invention also relates to a method for bonding substrates using the adhesive composition and an article bonded with the cured product of the adhesive composition and use of the composition in assembly of articles.

Abstract: Implementations of the present disclosure relate to methods, devices, and computer program products of extracting a feature for multimedia data that comprises a plurality of medium types. In a method, a first feature is determined for a first medium type in the plurality of medium types by masking a portion in a first medium object with the first medium type. A second feature is determined for a second medium type other than the first medium type in the plurality of medium types. The feature is generated for the multimedia data based on the first and second features. With these implementations, multiple medium types are considered in the feature extraction, and thus the feature may fully reflect various aspects of the multimedia data in an accurate way.

Abstract: A composition comprising at least the following: A) an olefin multi-block copolymer; B) a silicone rubber; C) a tackifier.

Abstract: This invention relates to an oil resistant adhesive composition, comprising at least one crystalline polyester polyol; at least one first amorphous aromatic polyester polyol having a glass transition temperature less than 0° C.; at least one second amorphous aromatic polyester polyol having a glass transition temperature greater than or equal to 0° C.; and at least one polyisocyanate. The oil resistant adhesive composition has excellent oil resistance and can be well applied to be used in wearable devices.

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: The present application provide an air purifier and a cleaning method for same The air purifier includes: a housing, which is provided with an air inlet and an air outlet and a detachable door panel; a protective cover, which is detachably disposed on an inner wall of the housing and opposite to the door panel, and located between the air inlet and the air outlet; and an electrostatic filter element, which includes an emission assembly and a collection assembly, the emission assembly and the collection assembly are detachably disposed in the protective cover, the emission assembly is located at a side of the collection assembly close to the air inlet. The detachable protective cover is provided to facilitate washing and protect the housing. The emission assembly and the collection assembly are detachably mounted in the protective cover, so that they can be separately cleaned.

Abstract: The application provides a dust collecting mechanism, a car air purifier and a fan, and relates to the technical field of air purification. The dust collecting mechanism includes a generator assembly including a generator holder, a generator plate and a generator filament, the generator plate and the generator filament being arranged in a spaced and staggered manner inside the generator holder; a collector assembly including a collector holder, a repeller plate and a collector plate, the repeller plate and the collector plate being arranged in a spaced and staggered manner inside the collector holder. The generator holder is detachably connected with the collector holder, and the collector plate is connected and conducted with the generator filament through magnetic adsorption, so that they can be connected to the power supply together, thereby enabling wireless conduction between the collector assembly and the generator assembly, simplifying the circuit structure.

Abstract: An aqueous dispersion of a silicone pressure sensitive adhesive base can be combined with a curing agent and cured to form a silicone pressure sensitive adhesive. The aqueous dispersion of the silicone pressure sensitive adhesive base includes a bis-hydroxyl-terminated polydiorganosiloxane; a polyorganosilicate resin; cumene; a surfactant; and water. A curing agent such as a peroxide compound or an aminosilane may be combined with the aqueous disperison of the silicone pressure sensitive adhesive base to form a silicone pressure sensitive adhesive composition. A pressure sensitive adhesive article may be formed by a method including coating a surface of a substrate with the silicone pressure sensitive adhesive composition, removing water, and curing the silicon pressure sensitive adhesive composition to form a silicone pressure sensitive adhesive on the surface of the substrate.

Abstract: System information block transmission methods and communication apparatus are provided to resolve a problem that a terminal device cannot receive, on an active bandwidth part, a system information block broadcast by a network device. A network device sends a system information block to a terminal device through a first bandwidth part. When determining that a first moment satisfies a preset condition, the network device sends the system information block to the terminal device through a second bandwidth part, where the system information block is included in first dedicated signaling, and configuration information for sending the system information block by the network device is not configured on the second bandwidth part.

Abstract: A self-adaptive seat comfort system based on a fitness of occupant and seat, comprising an ECU control system, wherein the ECU control system is provided with a communication module, a microcontroller, a power supply module, a seat-occupant fitness detection module and a comfort adjustment module, where the seat-occupant fitness detection module and the comfort adjustment module are connected bidirectionally with the microcontroller through wires, and the microcontroller module is connected bidirectionally with the communication module through wires. Compared with the prior art, the present invention provides the self-adaptive seat comfort system and the adjustment method based on the fitness of occupant and seat, which can further realize intelligent dynamic adjustment, and adjust the supporting positions for various parts dynamically according to the degree of fitness of occupant and seat detected by the sensing circuit provided on the seat comfort system.

Abstract: A process includes immersing a device in a cooling fluid, the cooling fluid comprising an alkyl modified silicone oil having the following average chemical structure (I) : (CH 3) 3SiO- [ (CH 3) 2) SiO] m- [R (CH 3) SiO] n-Si (CH 3) 3 (I) where: R in each occurrence is an alkyl or substituted alkyl having 6 or more and at the same time 17 or fewer carbon atoms; subscript m has a value of one or higher and at the same time less than 22, subscript n has a value of one or higher, and the sum of m+n is greater than 5 and at the same time less than 50.