Abstract: A storage device and an operation method of a storage device is provided. An operation method of a storage device includes: detecting an abnormal operation of a host memory buffer (HMB) positioned outside a storage device during data processing; and when the abnormal operation is detected, updating, by the storage device, a security policy applied when writing data to or reading data from the HMB.

Abstract: An intermediate device in a computer device includes a first agent unit supporting single-root input/output (I/O) virtualization (SR-IOV) and a second agent unit supporting Virtio, and the first agent unit and the second agent unit each are an agent of a function unit in a network adapter such that, a virtual machine in the computer device may use an SR-IOV technology or a Virtio technology, and does not configure two sets of independent resource pools to separately support corresponding virtualization technologies, to implement normalization of the resource pools. In addition, the intermediate device implements hardware offloading of Virtio protocol packet forwarding using hardware.

Abstract: The present disclosure provides a method and apparatus for a route navigation, which relate to the technical fields of computer vision, image processing, augmented reality and the like. An implementation solution is: performing an augmented reality navigation on a current route based on real-time acquired GPS information of a terminal; acquiring SLAM (simultaneous localization and mapping) coordinates of the terminal; converting, in response to determining that the GPS information meets a preset positioning difference condition, the SLAM coordinates into calculated geographic coordinates; and performing an augmented reality navigation on the current route based on the calculated geographic coordinates.

Abstract: A fluidized catalytic conversion method for maximizing the production of propylene includes the steps of: 1) contacting a heavy feedstock oil with a catalytic conversion catalyst having a temperature of 650° C. or higher for reaction; 2) contacting a hydrocarbon oil feedstock having an olefin content of 50 wt % or more with the catalytic conversion catalyst after the reaction of step 1); 3) separating a first catalytic cracking distillate oil and a second catalytic cracking distillate oil from the resulting reaction products; 4) separating an olefin-rich stream from the first catalytic cracking distillate oil; and 5) recycling the olefin-rich stream. The method can effectively improve the yield of propylene and realize an effective utilization of petroleum resources.

Abstract: A vehicle control device includes a recognizer configured to recognize a surrounding situation of a vehicle and a driving controller configured to perform automated driving for controlling at least one of acceleration, deceleration, and steering of the vehicle on the basis of the situation recognized by the recognizer and map information including a plurality of coordinate points indicating lanes on a route of the vehicle. The driving controller changes a control level of the automated driving in accordance with the number of coordinate points.

Abstract: A positioning method, a positioning device, and a processing method for wafer are provided. The wafer includes a plurality of dies. The positioning method for wafer includes: obtaining a first reference image of the wafer and obtaining a first rotation angle based on the first reference image and a first positioning template; causing the wafer to rotate according to the first rotation angle; obtaining a second reference image of the wafer rotated according to the first rotation angle and obtaining a second rotation angle based on the second reference image and the first positioning template; causing the wafer to rotate according to the second rotation angle; obtaining a third reference image of the wafer rotated according to the second rotation angle and obtaining position information of each die contained in the wafer based on the third reference image and a second positioning template.

Abstract: This application provides a key management method, a device, and a system. The method includes: A terminal device sends a first application session establishment request message to a first application function network element, where the establishment request message carries identification information of a first key, and the first key is an authentication and key management for applications AKMA key. The terminal device receives a first authentication request message in a procedure of the re-authentication. The terminal device sends a response message for the first authentication request message in the procedure of the re-authentication. The terminal device receives a response message for the establishment request message. The terminal device derives a communication key between the terminal device and the first application function network element by using the first key.

Abstract: A magnetoresistive magnetic field probe with rotating electromechanical modulator (1) comprises: a bulk cylindrical base (11), wherein the bulk cylindrical base (11) has a cavity structure, and a center axis of the bulk cylindrical base (11) overlaps with a z-axis of a cylindrical coordinate system; a first magnetic tile (12) and a second magnetic tile (13) attached to an outer side wall of the bulk cylindrical base (11); and a magnetoresistive sensor (14) and a reference signal generator (15) located on the center axis of the bulk cylindrical base (11). During operation, the bulk cylindrical base (11) rotates about the z-axis at a frequency f, and the first magnetic tile (12) and the second magnetic tile (13) modulate an external magnetic field into a sensed magnetic field having a frequency 2f, and a measurement signal having a frequency 2f is output via the magnetoresistive sensor (14). The reference signal generator (15) outputs a reference signal having a frequency 2f.

Abstract: Disclosed in the embodiments of the present disclosure are a display panel and a display device. The display panel includes: a display area and a peripheral area surrounding the display area, the display area includes a first display area and a second display area; a plurality of virtual pixel circuits and a plurality of drive pixel circuits, the plurality of virtual pixel circuits are arranged in the peripheral area, and the plurality of drive pixel circuits are arranged in the second display area; the plurality of first light emitting devices are arranged in the first display area, and the plurality of second light emitting devices are arranged in the second display area; the virtual pixel circuit is electrically connected with the first light emitting device, and the drive pixel circuit is electrically connected with the second light emitting device.