Abstract: The present invention relates to a system for calibrating a current transformer, aimed at enhancing the accuracy of current measurements. The system comprises a current transformer equipped with a non-volatile memory, configured to store a unique identifying serial number. In conjunction with this, a power meter is set up to communicate with the current transformer. The power meter is fitted with a reading module designed to read the unique identifying serial number from the non-volatile memory of the current transformer. The system also includes a server, connected to communicate with the power meter. The server possesses a database that stores calibration data associated with the unique identifying serial numbers. The server is programmed to receive the unique identifying serial number from the power meter and transmit the corresponding calibration data back to the power meter, enabling precise calibration of the current transformer.

Abstract: The present invention discloses a conductive silver aluminum paste comprising silver powder, aluminum powder, glass powder, silver aluminum paste additive, and organic carrier; when defining the total weight of the conductive silver aluminum paste as 100%, the weight percentage contents of the components are: silver powder 80.0%-88.0%. aluminum powder 0.5%-2.0%; glass powder 2.5%-6.0%; silver aluminum paste additive 0.1%-2.0%; organic carrier 8.0%-12.0%; wherein the glass powder comprises first main glass powder and second main glass powder, or comprises first main glass powder, second main glass powder, and auxiliary glass powder; the first main glass powder is glass powder in a Pb—Si—B—Li—O system, the second main glass powder is glass powder in a Pb—Bi—B—Li—O system, and the auxiliary glass powder is glass powder in a Ba—B—Si—Li—O system. The present invention further discloses a method for preparing a high-performance conductive silver aluminum slurry, an electrode, and an N-type TOPcon battery.

Abstract: There are provided a method, an apparatus and a device for data analytics, and a storage medium. The method includes: determining analytics data according to a data analytics request, where the data analytics request includes a first data analytics request or a second data analytics request (S101); determining an analytics model according to the data analytics request (S102); and obtaining a data analytics result according to the analytics data and the analytics model (S103).

Abstract: A cathode catalyst for a nanoparticle catalyst and method of making the same may include creating a nanoparticle. The nanoparticle catalyst may include a shell, wherein the shell may include platinum (Pt). The nanoparticle catalyst may include a core within the shell, wherein the core may include a platinum alloy (Pt-M), where M is a transition metal.

Abstract: A method and system for inter-domain data interaction are provided. The method includes: a management apparatus configures, in respective domains, one or more models in a model group; a data collection apparatus encapsulates collected data in a designated message, and sends the designated message to a forwarder corresponding to a model, wherein the designated message carries indication information for indicating an address of the forwarder; and after processing the collected data, the forwarder processes the designated message, and sends the processed designated message to a next forwarder.

Abstract: Embodiments of this application provide a Bluetooth scanning method, and the method is applied to an electronic device. The electronic device includes a Bluetooth chip and a Bluetooth agent module, and the Bluetooth chip is connected to the Bluetooth agent module. The method includes: The Bluetooth agent module indicates the Bluetooth chip to scan for a device identifier. If a first device identifier in the device identifiers is obtained through scanning, the Bluetooth chip notifies the Bluetooth agent module. Based on the first device identifier, the Bluetooth agent module establishes a channel to a first device, or notifies an application corresponding to the first device identifier. The embodiments of this application are implemented, to improve service execution convenience, and reduce power consumption and memory usage of the electronic device.

Abstract: Described are a system, method, and computer program product for dynamic node classification in temporal-based machine learning classification models. The method includes receiving graph data of a discrete time dynamic graph including graph snapshots, and node classifications associated with all nodes in the discrete time dynamic graph. The method includes converting the discrete time dynamic graph to a time-augmented spatio-temporal graph and generating an adjacency matrix based on a temporal walk of the time-augmented spatio-temporal graph. The method includes generating an adaptive information transition matrix based on the adjacency matrix and determining feature vectors based on the nodes and the node attribute matrix of each graph snapshot.

Abstract: The present disclosure discloses a method for producing raw cotton of machine-harvested long-staple cotton with a modal length of greater than or equal to 35 mm, including the steps: planting sea-island long-staple cotton and machining seed cotton, wherein planting the sea-island long-staple cotton includes preparation before machine harvesting, defoliation and ripening, choosing a cotton variety, etc.; and machining the seed cotton includes preparation before seed cotton ginning, mechanical separation of cotton seeds and raw cotton, and finishing the separated raw cotton. Raw cotton fibers obtained by the method of the present disclosure have main quality indexes that: a fiber length is 36.5-38.4 mm, a specific strength is 42.3-46.1 cN/tex, a uniformity is 86.2-87.0%, a foreign-fiber content is 0.2-0.4 g/t, and an impurity content is 2.6-3.4%.

Abstract: The invention provides a current measurement device for a primary conductor. The device utilizes a Rogowski coil to generate an output voltage proportional to the rate of change of the primary current flowing through the conductor. The device also includes a calibration unit, operatively connected to the Rogowski coil. The calibration unit is designed to modify the output voltage using a predefined calibration factor, which is determined based on a physical attribute of the Rogowski coil. The device allows for accurate measurement of the current by considering the unique physical characteristics of the coil used in the measurement process.

Abstract: Direct-bonded LED arrays and applications are provided. An example process fabricates a LED structure that includes coplanar electrical contacts for p-type and n-type semiconductors of the LED structure on a flat bonding interface surface of the LED structure. The coplanar electrical contacts of the flat bonding interface surface are direct-bonded to electrical contacts of a driver circuit for the LED structure. In a wafer-level process, micro-LED structures are fabricated on a first wafer, including coplanar electrical contacts for p-type and n-type semiconductors of the LED structures on the flat bonding interface surfaces of the wafer. At least the coplanar electrical contacts of the flat bonding interface are direct-bonded to electrical contacts of CMOS driver circuits on a second wafer.

Abstract: Provided is a method for detecting group activities in a network. The method may include receiving interaction data associated with a plurality of interactions. For each account identifier associated with at least one interaction, a value may be determined for each of a first set of categories, and a vector may be generated based on the value for each category. The length of each vector may be determined. At least one relational graph may be generated based on the interaction data. Each relational graph may be associated with a respective category of a second set of categories. At least one cluster of nodes may be determined based on the relational graph(s). A score for each cluster may be determined based on the length of the vector associated with the account identifier of each node of the cluster of nodes. A system and computer program product are also disclosed.

Abstract: The present disclosure discloses a flammable and explosive liquid transportation system and a method and an application thereof. The system includes a gas inlet pipe and a liquid transportation pipeline; a first valve and a second valve are sequentially disposed on the gas inlet pipe; two ends of the liquid transportation pipeline respectively communicate with the raw material barrel and a reaction vessel, a third valve, a fifth valve, and a seventh valve are sequentially disposed on the liquid transportation pipeline; the gas inlet pipe and the liquid transportation pipeline communicate with each other, and a fourth valve is disposed on the connecting pipe; a bypass pipe is disposed on the liquid transportation pipeline, and a sixth valve is disposed on the bypass pipe. The present disclosure resolves problems of a high risk and poor environmental protection caused by an existing flammable and explosive liquid transfer manner.

Abstract: A many-core definable distributed shared storage structure is provided.

Abstract: An apparatus for forming a plurality of microdroplets from a droplet includes a substrate, a dielectric layer on the substrate and having a plurality of hydrophilic surface regions spaced apart from each other by a hydrophobic surface, and a plurality of electrodes covered by the dielectric layer. The electrodes are configured to form an electric field across the droplet in response to voltages provided by a control circuit to move the droplet across the dielectric layer in a lateral direction while leaving portions of the droplet on the hydrophilic surface regions to form the plurality of microdroplets on the hydrophilic surface regions.

Abstract: An induction rotor assembly having conductive bars is provided. The assembly comprises a lamination stack comprising a body having a first end and second ends to define a longitudinal axis. The body has an outer circumferential portion extending from the first end to the second end. The outer portion has a plurality of walls defining open slots formed from the first end through the second end. The assembly further comprises a first ring disposed on the first end and a second ring disposed on the second end. The assembly further comprises a plurality of conductive bars extending between the first and second rings. Each conductive bar is disposed in one of the slots such that the respective conductive bar is in contact with the lamination stack and connects the first and second rings. Each bar comprises an inner portion and a conductive outer skin disposed about the inner portion.

Abstract: A Rogowski integrator kit, equipped with RJ45 socket, that provides simple installation and protection against Electromagnetic Interference (EMI) and Electrostatic Discharge (ESD). The kit consists of a Rogowski coil that comes with a first RJ45 socket and an electrical integrator that includes a second RJ45 socket. With these features, the Rogowski integrator kit ensures reliable and accurate measurement in a safe and secure manner.

Abstract: A Rogowski integrator kit, equipped with RJ45 socket, that provides simple installation and protection against Electromagnetic Interference (EMI) and Electrostatic Discharge (ESD). The kit consists of a Rogowski coil that comes with a first RJ45 socket and an electrical integrator that includes a second RJ45 socket. With these features, the Rogowski integrator kit ensures reliable and accurate measurement in a safe and secure manner.

Abstract: A Bluetooth connection method and a related apparatus are disclosed, and relate to the field of short-range wireless communications technologies. A first electronic device establishes a BLE connection to a second electronic device, and exchanges data with the second electronic device based on a first connection interval. The first electronic device further establishes a BR/EDR connection to a third electronic device. When device class information of the second electronic device is the same as device class information prestored in a memory, the first electronic device exchanges data with the second electronic device based on a second connection interval. The second connection interval is greater than the first connection interval. In this way, a throughput speed of exchanging data by the third electronic device can be increased.

Abstract: Direct-bonded LED arrays and applications are provided. An example process fabricates a LED structure that includes coplanar electrical contacts for p-type and n-type semiconductors of the LED structure on a flat bonding interface surface of the LED structure. The coplanar electrical contacts of the flat bonding interface surface are direct-bonded to electrical contacts of a driver circuit for the LED structure. In a wafer-level process, micro-LED structures are fabricated on a first wafer, including coplanar electrical contacts for p-type and n-type semiconductors of the LED structures on the flat bonding interface surfaces of the wafer. At least the coplanar electrical contacts of the flat bonding interface are direct-bonded to electrical contacts of CMOS driver circuits on a second wafer.

Abstract: A communications method, device, and system are provided. A plurality of devices in a communications system are connected via a single-wire serial bus; if a target device in the communications system needs to send target data, it is determined whether the target device has a highest data sending priority among at least one first candidate device, where the at least one first candidate device includes all devices to send data in the communications system at a current moment; and based on a result of the determining, the target device performs in a sending mode or a silent mode, where in the sending mode, the target device sends the target data to the bus within a first preset duration and specifies a receiving device, and stops sending the target data to the bus when the first preset duration ends.