Abstract: A data management system, method and computer-readable medium for data integration and quality control are described. In some implementations, a computer-implemented method comprises steps of receiving datasets from one or more data sources, storing the datasets belonging to a domain, checking data integrity of the datasets, performing a quality control check on the datasets, receiving selections from the domain on the datasets that are selected to be processed based on one or more reference libraries, processing one or more selected datasets based on the one or more reference libraries to create mapped data, integrating the mapped data with metadata to provide an integrated analysis, and causing to display, at a graphical user interface (GUI), real-time processing status for each of the one or more selected datasets.

Abstract: The present application relates to an on-line evaluation layered model including a monitoring data layer, a diagnosis method layer, an evaluation indicator layer, a monitored item layer, a key part layer, and an overall project layer. The method further includes collecting same-type multi-measuring-point monitoring data and multi-type multi-measuring-point monitoring data of a concrete dam, determining various indicator analysis results of the concrete dam based on the same-type multi-measuring-point monitoring data, determining various indicator operation scoring results of the concrete dam based on the multi-type multi-measuring-point monitoring data.

Abstract: Disclosed is a method for backfilling and reconstructing a carbon storage space in an abandoned main roadway and storing CO2. A surrounding rock of the main roadway is surveyed through geophysical exploration technology, and an anchor bolts (anchor cables) are used to reinforce and support an area which has unstable confining pressure bearing. According to a width and a height of the roadway section of the main roadway, a support formwork is forged in advance, and after the support formwork is placed in the main roadway, backfilling slurry is injected to the periphery of the support formwork. Meanwhile, supercritical carbon dioxide is injected into the backfilling slurry and the roadway, respectively.

Abstract: An integrated compressor for a vehicle, the integrated compressor comprising: a motor; an inverter connected to or integrated into the motor; a control unit electrically connected to the inverter to control the starting and stopping of the motor via the inverter; characterized in that the integrated compressor comprises: a first compression chamber and a second compression chamber, which are connected to the motor, respectively; a first two-position-two-way valve connected to the first compression chamber; a second two-position-two-way valve connected to the second compression chamber; and a first inlet line which receives ambient air input at one end and is connected to the second compression chamber at the other end. The present invention also discloses a system in a vehicle comprising an on-board refrigerator, an air suspension device, and the integrated compressor connected to both.

Abstract: Disclosed in the present application are a method of creating a materialized column based on a data lake and a method of querying data based on a data lake. In these methods, at least one materialized column can be created for a data table first, such that these materialized columns are used for storing data related to common columns in the data table, such that when a user subsequently triggers a data query request for a common column, a materialized column can replace the common column in feeding back the queried data to the user, and in this way, adverse effects caused when the queried data is fed back to the user directly by the common column can be effectively overcome, such that the data query effect can be effectively improved, and the information processing effect for such data tables can thus be effectively improved.

Abstract: The present disclosure relates to a data management method and apparatus, a storage medium, and an electronic device. The method comprises: obtaining a data access request sent by an engine side, the data access request being used for requesting to perform an access operation on first target data in a data lake; determining, according to the data access request, target metadata corresponding to the first target data from a metadata storage module, the metadata storage module storing metadata of the data lake in different storage modes, respectively, and the metadata stored in the different storage modes having at least one type of the same information; and sending the first target data corresponding to the target metadata in the data lake to the engine side. By constructing a data lake metadata unified service view that meets various engine requirements, metadata intercommunication between different engines is realized.

Abstract: Described herein are heterogeneous catalysts and methods of making and using thereof. For instance, heterogeneous catalysts formed of bisphosphine-ligated copper(I) complexes on a metal-organic framework support can be used, for example, in cycloaddition reactions.

Abstract: A method for recovery of residual coal pillars by freezing accumulated water in room-and-pillar mining areas is provided. A feasibility of repeated mining of residual coal pillars in room-and-pillar goafs is distinguished based on production data and exploration data of a mine. An accumulated water in the room-and-pillar mining areas is frozen to replace a paste filling material, which envelopes collapse roofs and gangues in the room-and-pillar goaf as a whole. The room-and-pillar goaf is filled with a frozen ice body. Roadways and mining faces are arranged in the frozen ice body. Coal cutter cuts the residual coal pillars and the frozen ice body. With the advancing of the mining face, the residual coal pillars are gradually recovered and melted water after the cutting is pumped out.

Abstract: The present application discloses a virtual column construction method based on data lake and a data query method. The present disclosure includes: first, automatically performing expression statistical analysis on a large quantity of statements to be analyzed in a data lake, so as to obtain an expression to be used; next, automatically constructing a virtual column construction request corresponding to the expression to be used, according to virtual column construction description information corresponding to the expression to be used, so that the virtual column construction request is used to request construction of a virtual column that can represent the expression to be used; then, according to the virtual column construction request, constructing a virtual column corresponding to the expression to be used, to enable the virtual column to represent the expression to be used.

Abstract: The present disclosure discloses a lakehouse metadata change determination method, an electronic device, and a computer-readable medium. The method includes: for a metadata storage system, after receiving a metadata processing request sent by a data engine and used for requesting to perform update processing on a target object, executing object update processing logic corresponding to the metadata processing request, and after it is determined that the object update processing logic is completed, generating an update description message corresponding to the target object according to a comparison result between the target object before updating and the target object after updating, so that the update description message indicates that the update processing on the target object has been performed, and the update description message can be subsequently sent to a message receiving object.

Abstract: An electric-pulse fracturing device for hard roof of coal mine based on a self-sealing water bag and an using method thereof are provided. The device includes a power switch, a charging power supply, a current limiting protection resistor, an energy storage capacitor and a high-voltage electric pulse switch connected in sequence. The energy storage capacitor is connected with an end of a gas gap switch, an other end of the gas gap switch is connected with an assembled self-sealing water bag high-voltage electric pulse electrode structure through a high-voltage cable, and the electrode structure is fixed through an assembly rod. The self-sealing water bag high-voltage electric pulse electrode structure includes a self-sealing water bag and an electrode structure capable of focusing shock wave energy, and the number of the self-sealing water bag high-voltage electric pulse electrode structure depends on fracturing effect.

Abstract: A method of generating a lakehouse metadata service log, a method of querying a lakehouse metadata service log, an electrode device and a storage medium are provided. The method of generating a lakehouse metadata service log includes: after a metadata server receives a data processing request sent by a data engine, determining, by the metadata server, first request identification information based on the data processing request, such that the first request identification information is used for identifying the data processing request; and then executing, by the metadata server, the request processing logic corresponding to the data processing request, and generating a log corresponding to the request processing logic based on the first request identification information, such that the log carries the first request identification information.

Abstract: A lakehouse metadata tag creation method, a lakehouse metadata tag query method and an electronic device are provided. The method includes: after a metadata service gateway determines a metadata tag creation request based on a metadata tag creation parameter provided by a data engine, sending, by the metadata service gateway, the metadata tag creation request to a metadata tag service system, so that the metadata tag service system executes a tag creation logic based on the metadata tag creation parameter carried in the metadata tag creation request, to implement a requirement of tagging one or more pieces of metadata.

Abstract: A battery module includes a plurality of cells, an end plate, and a side plate. The end plate and the side plate define an accommodating area, and the plurality of cells are sequentially arranged in the accommodating area. The side plate is provided with an avoidance notch configured to avoid a crossbeam or longitudinal beam of a lower casing, and the cells are arranged to avoid a position in the accommodating area corresponding to the avoidance notch, so that the battery module is mounted across the crossbeam or the longitudinal beam of the lower casing.

Abstract: A method for improving wheat resistance to Fusarium head blight (FHB) by genome editing is provided, and further provided is use of TaCIPK14 protein or related biomaterial thereto in the regulation of plant resistance to FHB; the TaCIPK14 protein is TaCIPK14-4A protein (SEQ ID NO: 4), TaCIPK14-4B protein (SEQ ID NO: 5), and/or TaCIPK14-4D protein (SEQ ID NO: 6). TaCIPK14 knockout mutant plants are successfully obtained by simultaneously editing three alleles of TaCIPK14 in wheat using CRISPR-Cas9 gene editing technology. The TaCIPK14 knockout mutant shows resistance to inoculation with FHB pathogens, and the results of evaluation of major agronomic traits confirm that the TaCIPK14 knockout mutant reserves the major agronomic traits.

Abstract: A method for detecting clarity of a thyroid nodule boundary, a system thereof, an electronic device and a medium are provided. The method includes: calculating an aspect ratio coefficient; calculating an inner and outer ring difference coefficient according to an intensity average of an outer ring image and an inner ring image; segmenting the outer ring image and the inner ring image into four parts; obtaining a four-partitioning intensity difference coefficient according to the intensity average of each segmented outer ring image and each segmented inner ring image; inputting a preprocessed image into a trained Thy-Enet deep neural network to obtain the probability that the thyroid nodule boundary is clear; and inputting the aspect ratio coefficient, the inner and outer ring difference coefficient, the four-partitioning intensity difference coefficient and the probability into a trained multi-layer perceptron model to obtain a determination result of the thyroid nodule boundary.

Abstract: The present application discloses an access limiting method for a metadata server, an apparatus and a device, wherein the method is applied to a data lake metadata server, receives a metadata access request sent by a client, wherein the request is used for obtaining metadata stored by a storage server for describing target data, and the target data is data in a target table. The metadata service interface used by the data lake metadata server is determined according to the metadata access request. When the metadata service interface satisfies the preset condition, determining the number of applied tokens corresponding to the metadata access request according to the number of table partitions and the number of partition levels of the obtained target table.