Abstract: A battery module and a safety early-warning apparatus thereof. The safety early-warning apparatus includes a flexible filling layer, a pressure sensor and an early-warning unit, wherein the flexible filling layer is filled in a gap between any two adjacent battery cells in a battery module; the pressure sensor is embedded in the flexible filling layer to be configured to measure a pressure value between two adjacent battery cells; and the early-warning unit is in communication connection with the pressure sensor, so as to send out early-warning information when the pressure value measured by the pressure sensor exceeds a preset value. In the safety early-warning apparatus, when a pressure value measured by a pressure sensor exceeds a preset value, an early-warning unit can send out early-warning information, so as to warn a user that a battery module has potential safety hazards.

Abstract: A high-speed cutting device includes a mounting frame, a feeding mechanism, a linear chasing-cutting mechanism, an electrode guide plate, and an acceleration driving mechanism, the acceleration driving mechanism is provided on the discharging side of the electrode guide plate, and configured to perform acceleration driving on a material tape. The acceleration driving mechanism is provided behind the linear chasing-cutting mechanism to realize the acceleration driving of the material tape.

Abstract: Embodiments of this specification provide methods and apparatuses for importing graph data online and graph database systems. In an example method for importing graph data online, graph data stored in a first storage format are acquired from a data source; external sorting is performed on the graph data to obtain sorted graph data; the sorted graph data are packaged based on a second storage format specified in a target graph database, to obtain a graph data file to be imported and a corresponding metadata file; and storage location information of the graph data file to be imported and the corresponding metadata file is provided to a graph database server, so that the graph database server imports the graph data file to the target graph database, and updates a metadata file corresponding to the target graph database based on the corresponding metadata file.

Abstract: A method for preparing heat-conductive cement slurry for well cementation includes the following steps: S1, uniformly mixing sodium 1-butanesulfonate, sodium dodecyl diphenyl ether disulfonate and polyvinylpyrrolidone to obtain an admixture; S2, dissolving the admixture in deionized water and stirring to obtain a dispersant solution; S3, adding graphite to the dispersant solution and stirring to obtain a graphite dispersion; S4, stirring cement and deionized water in a slurry cup to obtain cement slurry; and S5, mixing and stirring the graphite dispersion and the cement slurry to obtain the heat-conductive cement slurry. The heat-conductive cement slurry can effectively improve the heat conductivity coefficient of set cement, and significantly improve the heat conductivity of the set cement, and has a broad market application prospect.

Abstract: A Gamma debugging method includes: under a standard temperature condition, testing N reference samples to obtain standard Gamma data of the N reference samples with respect to a target Gamma curve; under test temperature conditions, testing the N reference samples to obtain reference Gamma data of the N reference samples; determining Gamma adjustment amounts of the reference samples under the test temperature conditions based on the reference Gamma data and standard Gamma data; establishing a relationship table between test temperatures and Gamma adjustment amounts; obtaining Gamma data at the standard temperature and current temperature information of a target sample; and, based on the Gamma data of the target sample at the standard temperature and the Gamma adjustment amount corresponding to the current temperature information, determining a current driving voltage value of the target sample.

Abstract: A method of controlling mixed liquid to be delivered for SPM solution includes: before the SPM solution comes into an acid scouring tank, mixing the sulfuric acid with the hydrogen peroxide in a delivering pipe in a first stage and a second stage in turn, so as to make a mixed liquid after mixing in the first stage to further get mixed in the second stage; heating the mixed liquid in the first stage; monitoring an oxygen concentration value of the mixed liquid flowing out after mixing in the first stage; and if the oxygen concentration value is smaller than an oxygen concentration value at full reaction, adding supplementary sulfuric acid and hydrogen peroxide during mixing in the second stage, so as to enable the oxygen concentration value of the mixed liquid flowing out after mixing in the second stage monitored in real time to reach an oxygen concentration value.

Abstract: A Gamma debugging method includes: under a standard temperature condition, testing N reference samples to obtain standard Gamma data of the N reference samples with respect to a target Gamma curve; under test temperature conditions, testing the N reference samples to obtain reference Gamma data of the N reference samples; determining Gamma adjustment amounts of the reference samples under the test temperature conditions based on the reference Gamma data and standard Gamma data; establishing a relationship table between test temperatures and Gamma adjustment amounts; obtaining Gamma data at the standard temperature and current temperature information of a target sample; and, based on the Gamma data of the target sample at the standard temperature and the Gamma adjustment amount corresponding to the current temperature information, determining a current driving voltage value of the target sample.

Abstract: A liquid delivering system for wafer cleaning equipment includes an acid scouring tank, a sulfuric acid supplying source, a hydrogen peroxide supplying source, a first mixing device, a second mixing device and a feedback-control panel. The first mixing device and the second mixing device both includes a mixing duct, a multi-section mixing screw rod arranged inside the mixing duct and a heater wrapped around the mixing duct. By ways of adopting the above-mentioned technical solution, it is possible to realize fully mixing sulfuric acid with hydrogen peroxide in a mode of mixing in multi-stages, achieve precise control to temperature, and enable mixed liquid to fully react, thereby ensuring that the mixed liquid coming into the acid scouring tank meets cleaning requirements, and improving quality and efficiency of cleaning wafers.

Abstract: An energy storage system, a method for cell inspection by the energy storage system, and an energy storage station are provided. The energy storage system includes a PCS and at least one battery cluster. The battery cluster includes multiple cells. The method includes: sending an inspection command to instruct the PCS to regulate power, upon receipt of a cell inspection command; determining a current signal of the battery cluster; and for each of the plurality of cells, determining a voltage signal of the cell, calculating an impedance of the cell based on the current signal and the voltage signal, and determining based on the impedance whether the cell malfunctions. Therefore, aging of the cells can be known to protect other cells from being affected by a malfunctioning cell, thereby improving reliability. Further, all the cells can be inspected simultaneously, and therefore any malfunctioning cell can be rapidly detected.

Abstract: A liquid delivering system for wafer cleaning equipment includes an acid scouring tank, a sulfuric acid supplying source, a hydrogen peroxide supplying source, a first mixing device, a second mixing device and a feedback-control panel. The first mixing device and the second mixing device both includes a mixing duct, a multi-section mixing screw rod arranged inside the mixing duct and a heater wrapped around the mixing duct. By ways of adopting the above-mentioned technical solution, it is possible to realize fully mixing sulfuric acid with hydrogen peroxide in a mode of mixing in multi-stages, achieve precise control to temperature, and enable mixed liquid to fully react, thereby ensuring that the mixed liquid coming into the acid scouring tank meets cleaning requirements, and improving quality and efficiency of cleaning wafers.

Abstract: A method of controlling mixed liquid to be delivered for SPM solution includes: before the SPM solution comes into an acid scouring tank, mixing the sulfuric acid with the hydrogen peroxide in a delivering pipe in a first stage and a second stage in turn, so as to make a mixed liquid after mixing in the first stage to further get mixed in the second stage; heating the mixed liquid in the first stage; monitoring an oxygen concentration value of the mixed liquid flowing out after mixing in the first stage; and if the oxygen concentration value is smaller than an oxygen concentration value at full reaction, adding supplementary sulfuric acid and hydrogen peroxide during mixing in the second stage, so as to enable the oxygen concentration value of the mixed liquid flowing out after mixing in the second stage monitored in real time to reach an oxygen concentration value.

Abstract: A method for controlling a distributed operation system includes: for a first container carrying a first process, determining a current fault type of a failure in the first container in response to detecting that the first process is triggered to terminate based on the failure in the first container; and reconstructing the first container and restarting the first process based on the first container reconstructed in response to determining that the current fault type is consistent with a target fault type. The target fault type is a fault type suitable for reconstruction of each container in the distributed operation system to which the first container belongs.

Abstract: A method of fabricating a plurality of monolithic, cascaded, multiple color III-nitride light-emitting diodes (LEDs) with independent junction control, wherein: each of the LEDs is comprised of at least an n-type III-nitride layer, a III-nitride emitting layer, and a p-type III-nitride layer; at least two of the LEDs are separated by an n-type tunnel junction (TJ) insertion layer grown by selective area growth on or above the p-type III-nitride layer of one of the LEDs; the p-type III-nitride layer of one of the LEDs and the n-type tunnel junction insertion layer form a tunnel junction; and the p-type III-nitride layer of one of the LEDs is at least partially covered by the n-type tunnel junction insertion layer.

Abstract: The present disclosure provides a method for controlling a distributed operation system, an apparatus for controlling a distributed operation system, a device, a medium and a program product, which relate to a computer application technology field, and in particular to a distributed operation technology field. A specific implementation includes: for a first container carrying a first process, determining a current fault type of a failure in the first container in response to detecting that the first process is triggered to terminate based on the failure in the first container; and reconstructing the first container and restarting the first process based on the first container reconstructed in response to determining that the current fault type is consistent with a target fault type.

Abstract: The present disclosure provides laminating equipment, method and a laminated structure, and relates to the technical field of jelly roll manufacturing. The laminating equipment includes a transferring mechanism and a carrying mechanism. The transferring mechanism is configured to transfer a composite bi-cell belt downward, wherein the composite bi-cell belt has thereon a plurality of composite bi-cell units, and two adjacent composite bi-cell units are connected to each other through a bending section. The carrying mechanism has a laminating plane, and the plurality of the composite bi-cell units are laminated one by one on the laminating plane, thereby forming a laminated structure.

Abstract: A unit plate position fixation method and device and a lamination machine are provided. The unit plate position fixation method includes: obtaining peripheral position information of unit plates located between two layers of separators; controlling a hot-pressing device according to the peripheral position information to perform hot pressing on the two layers of separators, so that the two layers of separators are adhered at peripheral positions of the unit plates.

Abstract: Disclosed are a composite box girder structure and a construction method therefor. The composite box girder structure includes a box enclosure and an inner core, where the inner core includes a thin-walled steel shell, shear connectors, and diaphragms, and the thin-walled steel shell is attached and fixed to an interior of the box enclosure by means of the shear connectors. In the present disclosure, the inner core and the box enclosure of the composite box girder structure jointly load force, such that effectiveness of the structure in resisting a use load can be improved. The inner core is directly used as an internal template of UHPC, such that rapid bridge construction can be achieved. Further, not only defects of conventional pouring can be overcome, but problems of excessive lateral local stress, overall stability, cross-section distortion and shear bearing capacity of web plates can be solved.

Abstract: A method to fabricate micro-size III-nitride light emitting diodes (?LEDs) with an epitaxial tunnel junction comprised of a p+GaN layer, an InxAlyGazN insertion layer, and an n+GaN layer, grown using metalorganic chemical vapor deposition (MOCVD), wherein the ?LEDs have a low forward the GaN layers, which reduces a depletion width of the tunnel junction and increases the tunneling probability. The ?LEDs are fabricated with dimensions that vary from 25 to 10,000 ?m2. It was found that the InxAlyGazN insertion layer can reduce the forward voltage at 20 A/cm2 by at least 0.6 V. The tunnel junction ?LEDs with an n-type and p-type InxAlyGazN insertion layer had a low forward voltage at 20 A/cm2 that was very stable. At dimensions smaller than 1600 ?m2, the low forward voltage is less than 3.2 V.

Abstract: An optimal dispatching method and system for a wind power generation and energy storage combined system are provided. Uncertainty of a wind turbine output is characterized based on spatio-temporal coupling of the wind turbine output and an interval uncertainty set. Compared with a traditional symmetric interval uncertainty set, the uncertainty set that considers spatio-temporal effects effectively excludes some extreme scenarios with a very small probability of occurrence and reduces conservativeness of a model. A two-stage robust optimal dispatching model for the wind power generation and energy storage combined system is constructed, and a linearization technology and a nested column-and-constraint generation (C&CG) strategy are used to efficiently solve the model.