Abstract: The present application provides a small displacement hydraulic actuator. The hydraulic actuator includes a shell body, a main power shaft is installed on the shell body, and an oil distribution plate is fixedly installed in an inner cavity of the shell body; the main power shaft is connected to the oil distribution plate through a plunger pump; the output shaft is connected to the oil distribution plate through a plunger motor, and power transmission between the plunger pump and the plunger motor is realized by conducting an oil passage channel; the main power shaft is arranged perpendicular to the output shaft; and an oil inlet cover is further arranged on the oil distribution plate, an oil inlet is formed in the oil inlet cover, a filter element is axially installed at the oil inlet in a floating mode.

Abstract: The present disclosure provides a quick-detachable dual-purpose abrasive paper grinding board and a using method. The abrasive paper grinding board includes a grinding board bottom board, a quick-detachable grasping head and a movable locking member; a mounting groove is formed in an upper end face of the grinding board bottom board; the quick-detachable grasping head is provided with a positioning bottom board; the movable locking member is rotatably mounted on the grinding board bottom board and used for locking the positioning bottom board; and at the unlocking position, the movable locking member is detached from the positioning bottom board, and the grip quick-detachable head may be removed from the mounting groove. In the present disclosure, quick locking and detaching of the quick-detachable head may be achieved through the movable locking member, and replacement is convenient.

Abstract: An image display method, an image display apparatus, a device and a storage medium. The method includes: acquiring an original image (S100); performing image analysis on the original image according to a preset image analysis model, so as to obtain a target depth map (S200); performing image synthesis on the target depth map according to a preset virtual viewpoint synthesis algorithm, so as to obtain a plurality of target images of different viewing angles (S300); compiling the plurality of target images of different viewing angles, so as to obtain a target image set (S400); and transmitting the target images in the target image set to different directions by means of a light-splitting device, so as to present the plurality of target images of different viewing angles (S500).

Abstract: A multiview 3D image encoding method, apparatus, system and storage medium are provided. The encoding method may include the steps of acquiring image data, and obtaining depth information containing a depth value of each pixel in an image based on the image data; grouping the image data into blocks, and calculating a perceived angular resolution of each object in blocks based on the depth information of each object in blocks respectively, where the perceived angular resolution of an object in blocks is a required maximum angular resolution that enables identification of the object in blocks; and configuring a respective encoding parameter for each object in blocks based on the perceived angular resolution of a respective one object in blocks, where the encoding parameter is configured such that a requirement of respective encoding parameter for a respective object in blocks with a respective perceived angular resolution is met.

Abstract: Embodiments of this application disclose a method for detecting a backup file and a related device. The method includes: obtaining an encryption heatmap of each of a plurality of backup files; determining an encryption score of the backup file based on distribution of a target color in the encryption heatmap; constructing a sequence from the encryption score of each backup file, and performing sampling on the sequence by using a sliding window, to obtain a plurality of subsequences; and performing time sequence anomaly detection on the plurality of subsequences, and determining that a backup file corresponding to an encryption score in an abnormal subsequence is ransomware-encrypted. In this way, it can be detected, without parsing the backup file, whether the backup file is ransomware-encrypted.

Abstract: The present invention provides a zero-steering hydraulic drive axle, which includes: a housing, and the housing is internally provided with a first drive assembly. One end of the first drive assembly is connected to an external power input device for power input, and the other end of the first drive assembly is connected to an external rotation output device. The first drive assembly includes: a plunger pump and a plunger motor. One end of the plunger pump is matched with the power input device, and the other end of the plunger pump is connected to an external oil pipe for oil feeding or supplementing. The plunger motor is matched with the rotation output device. The present invention is simple in overall structure, stable in power output, capable of realizing stepless speed change and pivot steering and turning, and wider in application scene range.

Abstract: A computer device creates a first snapshot of a storage system at a first moment at which an abnormal operation behavior for the storage system is detected; creates a second snapshot of the storage system at a second moment at which it is determined that the storage system meets an attack detection condition; and then determines, based on a result of comparison between the first snapshot and the second snapshot and data content of one or more groups of operation abnormality data generated by the storage system between the first moment and the second moment, whether the storage system is attacked by ransomware.

Abstract: A nano Bessel laser beam emitter and a method for manufacturing the same are disclosed. The nano Bessel laser beam emitter includes a first Bragg reflecting layer, a light-emitting layer and a second Bragg reflecting layer, where the first Bragg reflecting layer defines a cylindrical through hole; the light-emitting layer is provided on a surface of the first Bragg reflecting layer and is configured to generate a light beam; and the second Bragg reflecting layer is provided on the light-emitting layer at a side distal to the first Bragg reflecting layer.

Abstract: An image display method, an image display apparatus, a device and a storage medium.

Abstract: A housing that is configured to be mounted on a vehicle body of a vehicle includes a housing body, a first mounting part, and a second mounting part, where the housing body has an accommodating cavity; the first mounting part is provided on the housing body and is configured to fix a battery in the accommodating cavity; and the second mounting part is provided on the housing body and is configured to fix a plurality of electronic modules in the accommodating cavity.

Abstract: The present invention provides a hydraulic drive axle with two-way clutch control, comprising a housing, wherein a power assembly and a driving assembly are provided in the housing; the power assembly comprises a plunger pump and a plunger motor; the driving assembly comprises a driving wheel and connected to the plunger motor, and a clutch; one end of the plunger pump is connected to an external driving device for rotation of the plunger pump; power transmission is realized between the plunger motor and the plunger pump through oil circuit conduction; the clutch is arranged on both sides of the driving wheel set and connected to a runner; power is transmitted to the driving wheel set through the plunger pump and the plunger motor; and the clutch on both sides is separately matched with the driving wheel set to realize independent control of the runner on both sides.

Abstract: A longitudinal beam assembly includes an integrally formed longitudinal beam and a mounting tower. The mounting tower is mounted on the longitudinal beam. The longitudinal beam is provided with a first suspension mounting portion, and the first suspension mounting portion is configured to mount a suspension lower swing arm. The mounting tower is provided with a shock absorber mounting portion and a second suspension mounting portion. The shock absorber mounting portion is configured to mount a shock absorber and the second suspension mounting portion is configured to mount a suspension upper swing arm.

Abstract: A multiview 3D image encoding method, apparatus, system and storage medium are provided. The encoding method may include the steps of acquiring image data, and obtaining depth information containing a depth value of each pixel in an image based on the image data; grouping the image data into blocks, and calculating a perceived angular resolution of each object in blocks based on the depth information of each object in blocks respectively, wherein the perceived angular resolution of an object in blocks is a required maximum angular resolution that enables identification of the object in blocks; and configuring a respective encoding parameter for each object in blocks based on the perceived angular resolution of a respective one object in blocks, where the encoding parameter is configured such that a requirement of respective encoding parameter for a respective object in blocks with a respective perceived angular resolution is met.

Abstract: The disclosure provides a standing crawler self-propelled apparatus, including an apparatus body, a console, and a crawler mechanism. A pedal is flippably installed on a rear end of the apparatus body. Output shafts are symmetrically installed on both sides of the apparatus body. The console is installed on the apparatus body. The console is movably provided with a stroke control rod and a function control rod. A linkage mechanism is installed between the stroke control rod and the function control rod. One end of the crawler mechanism is connected to the output shaft, and the other end of the crawler mechanism is movably hinged to the apparatus body by a height adjusting mechanism. The height adjusting mechanism includes a height adjusting motor and a swing rod group. The linkage mechanism includes a slide rod, a slide rod seat, and a linkage block.

Abstract: A body connection assembly and a vehicle are disclosed. The body connection assembly includes: a floor panel, including a conduit; a rocker rail, located on one side of the floor panel along a first direction, where the rocker rail is configured to be connected to a body; a mounting side rail, connected to a side of the rocker rail, the side being close to the floor panel; and a battery, at least partially located below the floor panel and mounted on a side of the mounting side rail along the first direction, the side being away from the rocker rail. The battery includes a box assembly. The box assembly includes an upper box. The upper box closes the conduit.

Abstract: Embodiments of this application relate to the field of vehicle technologies, and specifically, to a vehicle frame and a vehicle. The vehicle frame includes longitudinal rails and a steering gear; the steering gear includes a shell and a steering rod slidably disposed in the shell; two ends of the shell are fixedly connected to the longitudinal rails respectively; and two ends of the steering rod respectively protrude out of the longitudinal rails, so as to be movably connected to wheels, and the steering rod drives the wheels to steer when the steering rod slides. In this way, the vehicle frame provided in the embodiments of this application is able to guarantee the torsional mode and stiffness of the whole vehicle while achieving light-weighting of the body.

Abstract: The present application discloses a manufacturing method of an optical film and the optical film. The manufacturing method includes: step S10, mixing titanium source precursors and a barium source and adding an alkaline agent for a reaction to obtain nanoparticles; and step S20, mixing quantum dots, an organic adhesive, and the nanoparticles followed by coating to obtain the optical film.

Abstract: The present invention provides a hydraulic drive axle with two-way clutch control, comprising a housing, wherein a power assembly and a driving assembly are provided in the housing; the power assembly comprises a plunger pump and a plunger motor; the driving assembly comprises a driving wheel and connected to the plunger motor, and a clutch; one end of the plunger pump is connected to an external driving device for rotation of the plunger pump; power transmission is realized between the plunger motor and the plunger pump through oil circuit conduction; the clutch is arranged on both sides of the driving wheel set and connected to a runner; power is transmitted to the driving wheel set through the plunger pump and the plunger motor; and the clutch on both sides is separately matched with the driving wheel set to realize independent control of the runner on both sides.

Abstract: Provided are a quantum dot display panel, a preparation method, and a display device. The quantum dot display panel includes a backlight module, a quantum dot color filter structure, a first reflecting layer and a second reflecting layer. The quantum dot color filter structure is positioned on a light exit side of the backlight module. The quantum dot color filter structure includes at least a red quantum dot color filter unit, a green quantum dot color filter unit and a composite quantum dot color filter unit. The first reflecting layer is arranged on a side of the quantum dot color filter structure facing away from the backlight module. The first reflecting layer covers the red quantum dot color filter unit and the green quantum dot color filter unit. The second reflecting layer is arranged on a side of the backlight module facing away from the quantum dot color filter structure.