Abstract: Embodiments of the present disclosure provide an electrical device, a method for controlling a solid state circuit breaker electrical device, and a computer-readable storage medium. The method comprises: in a closed state of a mechanical switch of the electrical device, closing one of a plurality of electronic switches of the electrical device within a predetermined time period before a zero-crossing point of an input voltage of a bus circuit to which the electrical device is connected; acquiring a current value or a voltage value of a sampling resistor in the electrical device within the predetermined time period; and in response to determining that the current value or the voltage value as acquired is less than or equal to a predetermined threshold, causing an indication component to indicate that there is no short circuit fault in the bus circuit.

Abstract: A residual current circuit breaker and a system including the residual current circuit breaker are provided. The residual current circuit breaker includes: a first switch connected in series between a power supply of the residual current circuit breaker and a load; a second switch connected in series between a standby power supply and the load; and a control means that controls to open the first switch and close the second switch in response to a residual current of a main loop of the residual current circuit breaker exceeding a predetermined threshold, wherein a voltage of the standby power supply is higher than a lowest value of a voltage required for the load to operate and lower than a highest value of a safe voltage, and wherein the first switch and the second switch are mutually exclusive.

Abstract: A dispatching method and device for an integrated energy system is provided according to the present disclosure. The method includes: constructing an integrated energy system model and simplified component models, performing a rough optimization of a system flexibility with predicted data from renewable energy nodes; determining feasibility constraints according to flexibility optimization results; finally considering operation costs on power and heat generating sides, and implementing a real-time dispatching with real-time data from the renewable energy nodes. The method effectively combines day-ahead scheduling and real-time dispatching by fully utilizing the system flexibility to reduce impacts of prediction errors and achieves strong optimality.

Abstract: Embodiments of a low-smoke, zero halogen (LSZH) composition for forming a foamed cable jacket are provided. The LSZH composition includes a polymer component, and an LSZH flame retardant package dispersed in the polymer component. The LSZH composition further includes a chemical foaming agent that is present in an amount up to 5% by weight of the LSZH composition and a melt strength enhancer that is present in an amount up to 1% by weight of the LSZH composition. Also provided are embodiments of an optical fiber cable having a cable jacket surrounding a cable core. The cable jacket is made from the LSZH composition, which has a first density. The cable jacket has a foamed region with a second density that is 50% to 95% of the first density.

Abstract: A preparation method of a Lentinula edodes polysaccharide rich in ?-glucan includes: (1) extracting the Lentinula edodes polysaccharide to obtain a filtrate; (2) concentrating the filtrate to obtain a supernatant; (3) precipitating a crude Lentinula edodes polysaccharide from the supernatant using anhydrous ethanol to obtain a first precipitate; and (4) purifying the first precipitate to obtain the Lentinula edodes polysaccharide. The Lentinula edodes polysaccharide rich in the ?-glucan has stable quality, and its yield, polysaccharide content and ?-glucan content are significantly improved compared with water extraction and alcohol precipitation methods in the related art. In vitro pharmacological experiments prove that the Lentinula edodes polysaccharide rich in the ?-glucan has good anti-inflammatory activity and can be applied to preparation of drugs or health foods.

Abstract: A sunshade guide assembly and a sunroof device that reduces the size and being easy and convenient to assemble and disassemble are provided. The sunshade guide assembly guides a sunshade to move in an opening and closing direction, and includes a support member fixed to the sunshade and a slider fitted and connected to the support member. A protrusion is provided at a position of the slider corresponding to a positioning opening, and the protrusion is formed into a shape corresponding to the positioning opening. The protrusion is embedded into the positioning opening, so that the support member is fitted and connected to the slider, and the protrusion and the positioning opening are configured such that, in a state in which the protrusion is embedded into the positioning opening, the relative movement of the support member relative to the slider in the opening and closing direction is restricted.

Abstract: Compositions including dihydromyricetin (DHM) and methods for forming them through spray drying.

Abstract: Provided in the present invention are a pH-responsive nano-gel plugging material, and a preparation method therefor and the use thereof. The pH-responsive nano-gel plugging material comprises the following raw materials in parts by mass: 50-70 parts of water, 2-3 parts of an emulsifier, 25-35 parts of an acrylic terpolymer, 10-15 parts of a polyalcohol compound, and 10-20 parts of a vinyl pyridine compound. The pH-responsive nano-gel plugging material can be applied to the plugging of Ordovician carbonate rock fractures and micro-karst cave strata, and can automatically identify Ordovician carbonate rock fractures and micro-karst cave leaking layers and realize effective blocking thereof.

Abstract: A method includes: identifying target film property data; causing, based on the target film property data, orthonormal vector based principal component analysis (PCA) to be performed to obtain output; and causing, based on the output, processing of substrates to meet the target film property data.

Abstract: A circuit breaker is disclosed, including: an input side including a first input end and a second input end for respectively connecting to a first line and a second line of a power supply; an output side including a first output end and a second output end for respectively connecting two ends of an electric load to form a load loop; a switch unit arranged between the input side and the output side for turning on and turning off the load loop; a current detection unit for detecting a loop current of the load loop; a voltage detection unit for detecting a loop voltage between the first line and the second line; a control circuit including at least one comparator, the control circuit is configured for controlling whether to turn off the switch unit according to comparison results.

Abstract: An apparatus for generating a self-check leakage current is disclosed. The apparatus includes: a mechanical switch; a phase line solid-state switch arranged on a phase line and located upstream of the mechanical switch; a current transformer arranged upstream of the phase line solid-state switch; a bypass unit including a bypass switch and a bypass resistor, one end of the bypass unit is connected between the mechanical switch and the solid-state switch on the phase line, and the other end is connected to the upstream of the current transformer on the neutral line; A control unit for controlling the switching on and off of the phase line solid-state switch and the bypass switch and to receive the current value detected by the current transformer, wherein the self-check leakage current is generated when the phase line solid-state switch and the bypass switch are switched on.

Abstract: The present disclosure relates to a power supply circuit and an electrical device. The power supply circuit includes: a first switch; a first capacitor connected in series with the first switch; a voltage sampling device configured to detect a voltage of the first capacitor and/or a power supply bus to which the power supply circuit is connected; and a control circuit configured to output a control signal based on the detected voltage, wherein the first switch is configured to be switched on or off based on the control signal. In this way, a low-voltage withstanding capacitor with a large capacitance can be achieved in the power supply circuit by switching out the capacitor when the power supply bus voltage is high and switching in the capacitor to assist in power supply when the power supply bus voltage is low.

Abstract: Aspects of the invention include converting an artificial intelligence (AI) model generated in a first framework to a uniform exchange formatted model by engaging a master table to retrieve instructions for converting from the AI model to the uniform exchange formatted model in accordance with the first framework. The uniform exchange formatted model in compiled by engaging the master table to retrieve instructions for compiling the uniform exchange formatted model in accordance with the first framework. Data is received as an input to the compiled uniform exchange formatted model and an output is generated by engaging the master table to retrieve instructions for generating the output in accordance with the first framework.

Abstract: A method includes: receiving film property data associated with manufacturing parameters of manufacturing equipment; determining that the film property data is correlated and is different from target data; selecting, by a processing device, a set of data points of the film property data that are orthogonal to the target data; performing, by the processing device, feature extraction on the set of data points; and determining, based on the feature extraction, updates to one or more of the manufacturing parameters to meet the target data.

Abstract: Disclosed herein are embodiments of an optical fiber cable. The optical fiber cable includes a cable jacket having a jacket inner surface and a jacket outer surface in which the jacket inner surface defines a central bore extending along a longitudinal axis of the optical fiber cable. The optical fiber cable also includes a buffer tube having an inner buffer tube surface and an outer buffer tube surface, and the buffer tube is disposed within the central bore of the cable jacket. At least one optical fiber is disposed within the buffer tube. A flame retardant coating having at least one layer is applied to one or both of the jacket outer surface of the cable jacket or the outer buffer tube surface of the buffer tube.

Abstract: The present disclosure provides a guide block that can be universal to the left and right guide rails of a sunroof device, thereby reducing manufacturing cost and component types. The guide block for guiding a sunroof panel comprises a pair of left and right guide channels, wherein a sliding surface of at least one of the left and right guide channels is connected to a sliding surface of a guide rail of the sunroof panel at one end thereof in a front-rear direction of a vehicle, and a guided part of the sunroof panel enters the guide block from the sliding surface of the guide rail and slides on the sliding surface of the at least one; and a guide rail locking part arranged on one end of the guide block to fix the guide block to the guide rail.

Abstract: A sunroof assembly includes a panel supporting part to support a movable panel in a vehicle width direction; a slider supported on a guide rail; and a link. One end of the link is rotatably connected to the panel supporting part, and the other end has a first guided part. The first guided part movable in a first guide groove of the slider. The link includes a first rotating shaft part between one end and the other end, which is supported on the guide rail in a way that is movable in the front-rear direction of the vehicle. The link rotating around the first rotating shaft part when the link rotates around the first rotating shaft part, and an end of the panel supporting part connected to the link is displaced in an up-down direction of the vehicle.

Abstract: The present disclosure provides an image processing method, apparatus, device, and computer-readable storage medium. The method includes: obtaining an image dataset, the image dataset including an image and an accompanying text related to an unseen class in the image; and generating a probability and/or distribution of the unseen class using an unseen class obtaining model, the probability and/or distribution of the unseen class including a probability that each pixel in the image is from the unseen class, a probability that the unseen class is present in the image, and a regional probability after the image is subdivided into a plurality of regions.

Abstract: An electronic apparatus and a method for displaying an image on a display device are disclosed. The electronic apparatus includes a display device; an image acquisition device configured to acquire a surrounding image of the display device; and a processor configured to: determine a background image of the display device according to the surrounding image; acquire a target range and a target object in the background image; determine a target image according to the background image, the target range and the target object; and control the display device to display the target image, wherein the target image excludes the target object.

Abstract: This application provides example signal processing methods, media, and apparatuses. One example method includes obtaining a scattering parameter matrix of passive echoes in an antenna system by a network device. The m virtual user directions are determined by the network device based on the scattering parameter matrix of the passive echoes, where the m virtual user directions are m directions in which total signal strength of the passive echoes is highest, and m is a positive integer. A target beam is formed based on n real user directions and the m virtual user directions, where one or more nulls of the target beam are aligned with the m virtual user directions, n is a positive integer, and n+m?k.