Abstract: Mechanisms for providing solid-state drives (SSDs) (such as NAND SSDs) with a dynamic system area are provided. In some embodiments, the mechanism includes: determining a memory die from a plurality of individual memory dies on which system-related data is stored in a reserved band from a plurality of bands; determining lifetime information associated with the memory die on which the system-related data is stored in the reserved band; in response to determining that the lifetime information associated with the memory die is greater than a threshold value, determining unused dies from the plurality of individual memory dies on which the reserved band does not contain the system-related data; selecting at least one unused die based on the determined unused dies; and storing the system-related data in the reserved band of the selected unused die.

Abstract: An efficient structure and methodology for container-based applications are provided for disaster recovery for data in a storage system using application consistency groups for replication from the storage system to a disaster recovery system. Application consistency groups can be generated containing applications, a disaster recovery plan, and a disaster recovery policy, where each application has a consistency level. The applications in an application consistency group can include stateless applications and stateful applications. The replication of an application consistency group from the system to a disaster recovery storage system can be controlled according to the disaster recovery policy, the disaster recovery plan, and the consistency levels of the application consistency group.

Abstract: The present disclosure provides a mutant Taq DNA polymerase and the use thereof. In one embodiment, the mutant Taq DNA polymerase exhibits a DNA polymerase activity in a PCR reaction containing whole blood, high concentration salt or humic acid.

Abstract: The present disclosure provides a wireless power transfer system with a position detection function and a position adjustment method therefor, the system includes an energy transmission component and a signal transmission component, where the energy transmission component includes a power transmitting coil, a power receiving coil and a magnetically integrated resonant coil, and the signal transmission component includes a signal transmitting coil and a signal receiving coil; the power transmitting coil, the magnetically integrated resonant coil and the signal transmitting coil are sequentially stacked, and the power receiving coil and the signal receiving coil are stacked. During position detection, the magnetically integrated resonant coil and the signal receiving coil as detection coils detect position offsets along an X-axis and a Y-axis, respectively.

Abstract: This invention is directed to managing data storage in a memory system. The memory system receives a host request for an erase operation on a first erasable unit of a first memory block. In response to the host request, the memory system identifies an unused erasable unit of a second memory block in the memory system, remaps the first erasable unit of the first memory block to the unused erasable unit of the second memory block, and applies the erase operation on the unused erasable unit of the second memory block in place of the first erasable unit of the first memory block. In some embodiments, at a time of receiving the host request, the memory system further includes a space reserve of over-provisioning, and the second memory block is different from the space reserve. In some embodiments, the second memory block is moved offline to join the space reserve.

Abstract: A metallocene complex and a preparation method therefor, a catalyst composition, an olefin polymerization method and an olefin polymer are provided. The metallocene complex has a structure of formula I. The catalyst composition containing the metallocene complex shows an improved catalytic activity, and also has relatively high structural regularity control capability for a conjugated diene structural unit and a relatively high capability for copolymerizing ethylene and conjugated diene.

Abstract: In some implementations, a storage node receives data processing instructions from a compute node of a network architecture. The storage node detects a Directed Acyclic Graph (DAG) within the data processing instructions. The DAG includes a plurality of data processing operations arranged within the DAG according to an execution. The data processing operations further include user-defined function (UDF) information associated with a UDF. The storage node may retrieve a first data object from an object store of the distributed storage node based on object keys information within the plurality of data processing operations. The storage node may execute the plurality of data processing operations using the retrieved first data object to generate a DAG execution result, the executing of the plurality of data processing operations based on the execution order. The storage node may communicate the DAG execution result to the compute node in response to the data processing instructions.

Abstract: Enclosed are embodiments for navigation with drivable area detection. In an embodiment, a method comprises: receiving a point cloud from a depth sensor, receiving image data from a camera; predicting at least one label indicating a drivable area by applying machine learning to the image data; labeling the point cloud using the at least one label; obtaining odometry information; generating a drivable area by registering the labeled point cloud and odometry information to a reference coordinate system; and controlling the vehicle to drive within the drivable area.

Abstract: The present disclosure provides a recombinant reverse transcriptase with improved processivity and the use thereof. In one embodiment, the recombinant reverse transcriptase is a fusion protein comprising a reverse transcriptase and a cold shock protein.

Abstract: A computer implemented method comprises accessing data stored in memory of the computer system, wherein the memory includes a faster access storage medium and a slower access storage medium; determining respective exponential moving averages of a number of access operations performed on respective memory locations of the memory; and transferring a portion of the data into the faster access storage medium and transferring a portion of the data into the slower access storage medium according to the determined exponential moving average.

Abstract: Mechanisms for providing solid-state drives (SSDs) (such as NAND SSDs) with a dynamic system area are provided. In some embodiments, the mechanism includes: determining a memory die from a plurality of individual memory dies on which system-related data is stored in a reserved band from a plurality of bands; determining lifetime information associated with the memory die on which the system-related data is stored in the reserved band; in response to determining that the lifetime information associated with the memory die is greater than a threshold value, determining unused dies from the plurality of individual memory dies on which the reserved band does not contain the system-related data; selecting at least one unused die based on the determined unused dies; and storing the system-related data in the reserved band of the selected unused die.

Abstract: This invention is directed to managing data storage in a memory system. The memory system receives a host request for an erase operation on a first erasable unit of a first memory block. In response to the host request, the memory system identifies an unused erasable unit of a second memory block in the memory system, remaps the first erasable unit of the first memory block to the unused erasable unit of the second memory block, and applies the erase operation on the unused erasable unit of the second memory block in place of the first erasable unit of the first memory block. In some embodiments, at a time of receiving the host request, the memory system further includes a space reserve of over-provisioning, and the second memory block is different from the space reserve. In some embodiments, the second memory block is moved offline to join the space reserve.

Abstract: The present disclosure proposes a method, apparatus and computer program product for sentence representation generation for cross-lingual retrieval. A target sentence may be obtained. An initial target sentence representation of the target sentence may be generated through an encoder, the encoder pretrained through a contrastive context prediction mechanism. A target sentence representation of the target sentence for cross-lingual retrieval may be generated based on the initial target sentence representation through cross-lingual calibration.

Abstract: A reducing and non-blast furnace smelting method of alkaline vanadium-titanium pellets and hot-pressed carbon-containing vanadium-titanium pellets. By upgrading the vanadium-titanium concentrates, improving quality of the reducing gas, increasing the proportion of the reduction section of the shaft furnace, removing the cooling section to achieve hot charging, and improving the electric furnace, the method accelerates the reduction rate of the vanadium-titanium pellets reduced by the gas-based shaft furnace, improves the final reduction degree of the vanadium-titanium pellets, achieves the rapid non-blast furnace smelting of the vanadium-titanium pellets.

Abstract: The present disclosure provides a method for experimentally determining a critical sand-carrying gas velocity of a shale gas well. The method includes: collecting well structure and production data, calculating parameter ranges of a gas flow velocity and a liquid flow velocity; carrying out a physical simulation experiment of sand carrying in the shale gas well to obtain the sand holding capacity of the wellbore under different experimental conditions, and calculating a sand holding rate; by observing a change curve of the sand holding rate of the wellbore vs. the gas flow velocity, defining a turning point, and sensitively analyzing the influence of other experimental variables on the turning point, to calculate the critical sand-carrying production of the shale gas well under different conditions. Therefore, this calculation method is simple and applicable, and provides a theoretical basis for the optimization design of water drainage and gas production process.

Abstract: A hydrogenation method for an aromatic polymer includes the step of: bringing an aromatic polymer into contact with a hydrogenation reagent in the presence of a hydrogenation catalyst so as to hydrogenate at least some aromatic rings in the aromatic polymer. The hydrogenation catalyst contains a carrier and a platinum element, a group IVA element and a rare earth metal element loaded on the carrier, and the carrier is alumina. Hydrogenated block copolymers, hydrogenated five-block copolymers and hydrogenated seven-block copolymers can be produced using the hydrogenation method, which hydrogenates the aromatic ring in the aromatic polymer to obtain a higher aromatic ring hydrogenation degree. The hydrogenated block copolymers have a high hydrogenation degree, high light transmittance, low haze, and excellent impact toughness.

Abstract: A method comprising instantiating virtual routers (VRs) at each of a set of nodes that form a network. Each VR is coupled to the network and to a tenant of the node. The network comprises virtual links in an overlay network provisioned over an underlay network including servers of a public network. The method comprises configuring at least one VR to include a feedback control system comprising at least one objective function that characterizes the network. The method comprises configuring the VR to receive link state data of a set of virtual links of the virtual links, and control routing of a tenant traffic flow of each tenant according to a best route of the network determined by the at least one objective function using the link state data.

Abstract: Among other things, we describe techniques for electric power steering torque compensation. Techniques are provided for a method implemented by a computer, e.g., a computer onboard an autonomous vehicle. A planning circuit onboard the vehicle and connected to an EPS of the vehicle determines a compensatory torque signal to modify an actual steering angle of a steering wheel of the vehicle to match an expected steering angle of the steering wheel. The planning circuit transmits the compensatory torque signal to a control circuit that controls the steering angle of the steering wheel. The EPS modifies the actual steering angle based on the compensatory torque signal resulting in a modified steering angle. The control circuit operates the vehicle based on the modified steering angle.

Abstract: An efficient structure and methodology for container-based applications are provided for disaster recovery for data in a storage system using application consistency groups for replication from the storage system to a disaster recovery system. Application consistency groups can be generated containing applications, a disaster recovery plan, and a disaster recovery policy, where each application has a consistency level. The applications in an application consistency group can include stateless applications and stateful applications. The replication of an application consistency group from the system to a disaster recovery storage system can be controlled according to the disaster recovery policy, the disaster recovery plan, and the consistency levels of the application consistency group.

Abstract: The present disclosure relates to the field of EV-DWPT (electric vehicle dynamic wireless power transfer), and specifically discloses a double solenoid EV-DWPT system and a parameter optimization method thereof. The system is provided with a magnetic coupling mechanism, comprising a transmitting structure and a receiving structure. The transmitting structure includes a plurality of double solenoid transmitting rails arranged equidistantly along a road direction. Each double solenoid transmitting rail includes a square tubular magnetic core perpendicular to the road surface, and transmitting solenoids wound spirally using one and the same Litz wire wound in opposite directions.