Abstract: An early warning method for safety production risk of tailings pond based on risk ranking is provided. The early warning method includes: monitoring and collecting internal basic data of a tailings pond in real-time, and performing a basic monitoring and a basic early warning; collecting geographical location data, meteorological data, and historical geological disaster data of an area where the tailings pond is located; performing risk ranking on a safety production risk of the tailings pond, thereby obtaining a risk level of the tailings pond; and collecting case data of global tailings pond accidents and hazard degree data thereof, acquiring accident solution strategies for the global tailings pond accidents, performing management and monitoring on the tailings pond, setting parameters in a process of the basic monitoring, and performing a ranked early warning on the safety production risk of the tailings pond based on the risk level.

Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate, at least one group of contact pads, a plurality of first light-emitting elements, a plurality of first pixel driving circuits, a plurality of connecting traces, a plurality of data lines and a plurality of leads. The display area includes a first display area and a second display area; the first light-emitting elements are located in the first display area; the first pixel driving circuits are located in the second display area; the leads are located in the first display area and the peripheral area, and connect the data lines and the at least one group of contact pads; orthographic projections of the first light-emitting elements on a substrate surface of the base substrate are at least partly overlapped with orthographic projections of the leads on the substrate surface of the base substrate.

Abstract: A display substrate, a method for manufacturing the display substrate, and a display device. In the display substrate, the first sub-pixel and the second sub-pixel each include: a power signal line pattern, at least part of the power signal line pattern extends along the second direction; and a power compensation pattern, at least part of the power compensation pattern extends along the first direction, the power signal line pattern and the power compensation pattern are both located on a side of the first data line pattern and the second data line pattern close to the substrate; the power compensation pattern is electrically connected to the power signal line pattern and a power signal line pattern in an adjacent sub-pixel along the first direction.

Abstract: An early warning method for safety production risk of tailings pond based on risk ranking is provided. The early warning method includes: monitoring and collecting internal basic data of a tailings pond in real-time, and performing a basic monitoring and a basic early warning; collecting geographical location data, meteorological data, and historical geological disaster data of an area where the tailings pond is located; performing risk ranking on a safety production risk of the tailings pond, thereby obtaining a risk level of the tailings pond; and collecting case data of global tailings pond accidents and hazard degree data thereof, acquiring accident solution strategies for the global tailings pond accidents, performing management and monitoring on the tailings pond, setting parameters in a process of the basic monitoring, and performing a ranked early warning on the safety production risk of the tailings pond based on the risk level.

Abstract: A display panel, a driving method, and a display device. The display panel includes: a base substrate, subpixels, driving lines, data lines, a gate driving circuit including clock signal lines and shift register units arranged in extension direction of clock signal lines. The clock signal lines is divided into clock signal line groups; the shift register units is divided into register unit groups; the shift register units in same register unit group are cascaded, adjacent two of shift register units in the extension direction are in different register unit groups; one register unit group corresponds to one clock signal line group; the gate of an input transistor is connected to a clock signal line in a corresponding clock signal line group, the second pole of input transistor is connected to the gate of an output transistor; the second pole of output transistor is connected to at least one driving line.

Abstract: Disclosed is a pixel circuit arranged in a display substrate, which comprises a first driving mode and a second driving mode. Content displayed in the display substrate comprises multiple display frames. In the first driving mode and the second driving mode, the display frames comprise refresh frames. A signal of a second scanning line is the same as that of a third scanning line. The time of which the signal of the second scanning line is an active level signal comprises a first refresh time period, a second refresh time period and a third refresh time period, which sequentially occur at intervals. During the second refresh time period, a signal of a first scanning line is an inactive level signal. The voltage of a signal at a reset voltage end is a positive voltage, and the voltage of a signal at a first initial voltage end is a negative voltage.

Abstract: Methods, computer program products, computer systems, and the like are disclosed that provide for scalable deduplication. Such methods, computer program products, and computer systems can include, in response to receiving a request to perform a lookup operation, performing the lookup operation and, in response to the signature not being found, forwarding the request to a remote node. Further, in response to receiving an indication that the signature was not found at the remote node, processing the subunit of data as a unique subunit of data.

Abstract: A new multifunctional biomass suspension deflagration test-bed is provided, which includes a closed combustion chamber. An integrated temperature and pressure sensor is arranged in the combustion chamber, and a high-speed camera and a laser concentration-measuring instrument are arranged outside the combustion chamber, which can monitor suspension deflagration. A bottom of the combustion chamber is provided with a hollow mushroom-shaped dispersion nozzle with a tray. A nozzle body is provided with a gas main-flow channel at a center thereof and gas deflected-flow channels arranged around the gas main-flow channel. A mushroom-shaped baffle plate is arranged above the nozzle body. The gas main-flow channel extends upward to the mushroom-shaped baffle plate. A vent hole is formed in a portion of the mushroom-shaped baffle plate which is corresponding to the gas main-flow channel. Each gas deflected-flow channel is inclined outward from bottom to top and directed to the mushroom-shaped baffle plate.

Abstract: Methods, computer program products, computer systems, and the like are disclosed that provide for scalable deduplication in an efficient and effective manner. For example, such methods, computer program products, and computer systems can include receiving a data object at an assigned node, determining whether the data object includes a sub-data object, and processing the sub-data object. The assigned node is a node of a plurality of nodes of a cluster, where the data object includes a data segment, and a signature. The signature is generated based, at least in part, on data of the data segment. The processing includes sending the sub-data object to a remote node. The remote node is another node of the plurality of nodes of the cluster.

Abstract: A new multifunctional biomass suspension deflagration test-bed is provided, which includes a closed combustion chamber. An integrated temperature and pressure sensor is arranged in the combustion chamber, and a high-speed camera and a laser concentration-measuring instrument are arranged outside the combustion chamber, which can monitor suspension deflagration. A bottom of the combustion chamber is provided with a hollow mushroom-shaped dispersion nozzle with a tray. A nozzle body is provided with a gas main-flow channel at a center thereof and gas deflected-flow channels arranged around the gas main-flow channel. A mushroom-shaped baffle plate is arranged above the nozzle body. The gas main-flow channel extends upward to the mushroom-shaped baffle plate. A vent hole is formed in a portion of the mushroom-shaped baffle plate which is corresponding to the gas main-flow channel. Each gas deflected-flow channel is inclined outward from bottom to top and directed to the mushroom-shaped baffle plate.

Abstract: The disclosed computer-implemented method for data placement in container-based storage systems may include (i) identifying a file stored within a container-based storage system, where the container-based storage system stores the file as data segments within containers, (ii) receiving, in response to a write operation directed to the file, a request to store within the container-based storage system a new data segment generated by the write operation, (iii) describing the file in terms of a plurality of consecutive slabs, (iv) determining that the new data segment falls within a specified slab, and (v) fulfilling the request to store the new data segment within the container-based storage system by storing the new data segment in a designated container that corresponds to the specified slab in response to determining that the new data segment falls within the specified slab. Various other methods, systems, and computer-readable media are also disclosed.

Abstract: Methods, computer program products, computer systems, and the like are disclosed that provide for scalable deduplication in an efficient and effective manner. For example, such methods, computer program products, and computer systems can include receiving a data object at an assigned node, determining whether the data object includes a sub-data object, and processing the sub-data object. The assigned node is a node of a plurality of nodes of a cluster, where the data object includes a data segment, and a signature. The signature is generated based, at least in part, on data of the data segment. The processing includes sending the sub-data object to a remote node. The remote node is another node of the plurality of nodes of the cluster.

Abstract: Various systems, methods, and processes for caching and referencing multiple fingerprints while data operations are ongoing are disclosed. A first fingerprint is generated based on a first fingerprinting process. The first fingerprint is stored in association with a second fingerprint, which is based on a second fingerprinting process. The first fingerprint and the second fingerprint are associated with the same data segment. Data operations such as a backup operation, a restore operation, or a replication operation can be performed while the conversion of the data segment from the second fingerprint to the first fingerprint is ongoing.

Abstract: A computer-implemented method for improving the efficiency of recording data to tape may include (i) identifying a command to duplicate a data unit to tape storage after a previous version of the data unit has already been duplicated to tape storage, (ii) identifying metadata that distinguishes between segments of the data unit that have not changed since the previous version of the data unit and segments that have changed, (iii) reading the previous version of the data unit from tape storage and reading the segments of the data unit that have changed from a data sharing storage rather than tape storage, and (iv) combining, using the metadata, the segments read from tape storage that have not changed and the segments read from the data sharing storage that have changed to duplicate the data unit to tape storage. Various other methods, systems, and computer-readable media are also disclosed.

Abstract: The disclosed computer-implemented method for data placement in container-based storage systems may include (i) identifying a file stored within a container-based storage system, where the container-based storage system stores the file as data segments within containers, (ii) receiving, in response to a write operation directed to the file, a request to store within the container-based storage system a new data segment generated by the write operation, (iii) describing the file in terms of a plurality of consecutive slabs, (iv) determining that the new data segment falls within a specified slab, and (v) fulfilling the request to store the new data segment within the container-based storage system by storing the new data segment in a designated container that corresponds to the specified slab in response to determining that the new data segment falls within the specified slab. Various other methods, systems, and computer-readable media are also disclosed.

Abstract: Various systems, methods, and processes for caching and referencing multiple fingerprints while data operations are ongoing are disclosed. A first fingerprint is generated based on a first fingerprinting process. The first fingerprint is stored in association with a second fingerprint, which is based on a second fingerprinting process. The first fingerprint and the second fingerprint are associated with the same data segment. Data operations such as a backup operation, a restore operation, or a replication operation can be performed while the conversion of the data segment from the second fingerprint to the first fingerprint is ongoing.

Abstract: A computer-implemented method for taking snapshots in a deduplicated virtual file system may include (1) maintaining a deduplicated virtual file system that stores, at an original location within a non-virtual file system, at least one configuration file storing metadata for a target file and an extent map for the target file, the extent map defining how to construct the target file from deduplicated data segments in a deduplicated storage system, (2) receiving a request to take a snapshot of the target file corresponding to the configuration file, (3) copying the configuration file storing metadata for the target file and the extent map for the target file into a snapshot location within the non-virtual file system, and (4) transmitting a file reference request to the deduplicated storage system to add a file reference within the deduplicated storage system. Various other methods, systems, and computer-readable media are also disclosed.

Abstract: A computer-implemented method for taking snapshots in a deduplicated virtual file system may include (1) maintaining a deduplicated virtual file system that stores, at an original location within a non-virtual file system, at least one configuration file storing metadata for a target file and an extent map for the target file, the extent map defining how to construct the target file from deduplicated data segments in a deduplicated storage system, (2) receiving a request to take a snapshot of the target file corresponding to the configuration file, (3) copying the configuration file storing metadata for the target file and the extent map for the target file into a snapshot location within the non-virtual file system, and (4) transmitting a file reference request to the deduplicated storage system to add a file reference within the deduplicated storage system. Various other methods, systems, and computer-readable media are also disclosed.

Abstract: A method for data container group management in a deduplication system is provided. The method includes arranging a plurality of data container groups according to a plurality of file systems. A subset of the plurality of data container groups correspond to each of the plurality of file systems, each of the plurality of data container groups having a reference database, a plurality of data containers, and a data container group identifier (ID). The method includes performing a first backup process for a first client-policy pair with deduplication via a first one of the plurality of data container groups and performing a second backup process for a second client-policy pair with deduplication via a second one of the plurality of data container groups.