Abstract: A data processing method performed by a first device includes: generating, in response to first service data satisfying a data uploading condition, a first bit array corresponding to the first service data; encrypting the first bit array through a data key to obtain a ciphertext bit array, the data key being generated by a second device in a data intersection application run in a trusted execution environment of the second device; and transmitting the ciphertext bit array to a blockchain node for forwarding to a second device, for the second device to decrypt, in the data intersection application through the data key, the ciphertext bit array to obtain the first bit array.

Abstract: A display device, including a backlight module (1). The backlight module (1) includes an optical film layer (2), the optical film layer (2) includes at least two diffusers (21) stacked in sequence, and the haze of each diffuser (21) is 80%-99%. The backlight module (1) further includes an LED light source (3), and the optical band of the LED light source (3) is greater than 455 nm. The display device further includes a cover plate (5) and at least one anti-reflection layer (7), the cover plate (5) is provided with an atomization layer (51), and the anti-reflection layer (7) is located on the side of the cover plate (5) facing away from a display panel (4).

Abstract: A wheeled carrying apparatus includes a frame structure including a standing frame, a wheel mount carrying a wheel and pivotally connected with the standing frame, the wheel being rotatable relative to the first wheel mount about a wheel axis, a locking assembly including a wheel mount latch movably connected with the standing frame, the wheel mount latch being engaged with the wheel mount to rotationally lock the first wheel mount with respect to the standing frame, and disengaged from the wheel mount to unlock the wheel mount for rotation of the wheel mount to change an orientation of the wheel axis, an actuating assembly coupled to the wheel mount latch and including one or more linking part, and a release mechanism including an operating part provided on the frame structure that is operable to cause the actuating assembly to pull the wheel mount latch to disengage from the wheel mount.

Abstract: A locking assembly can lock a workpiece. The workpiece includes a locking hole. The locking assembly includes a housing, a movable component, and an unlocking handle. The movable component includes a sleeve, a pin, and an unlocking cover. The sleeve is mounted on the housing. The pin is accommodated in the sleeve, and a portion of the pin protrudes from the housing and accommodated in the locking hole. The unlocking cover is fixed to the pin. The unlocking handle is disposed between the unlocking cover and the sleeve. The unlocking cover can be pulled from a first direction to move the pin out of the locking hole; or the unlocking handle can be pulled from a second direction intersecting with the first direction, and the unlocking handle can abut against the unlocking cover to drive the pin to move out of the locking hole.

Abstract: The present invention discloses a remote-controlled automatic dog-teasing ball, which comprises an upper shell and a lower shell which are spliced into a ball shape, wherein a driving box is arranged in the upper shell and the lower shell, the upper and lower parts of the driving box are respectively provided with a protruding fixed head and a movable head, the movable head and the lower shell are assembled in linkage by splicing; a circuit component and a driving component which are electrically connected are also arranged in the driving box; the fixed head and the circuit component are electrically connected by an elastic part, and the fixed head and the upper shell are elastically abutted and linked; the driving component comprises a motor and a gear, and transmission between the motor and the movable head is achieved by the gear; the circuit component comprises a control motherboard, and at least a receiving module, a vibration switch and an LED lamp are arranged on the control motherboard.

Abstract: Systems disclosed herein are directed to a display stand unit for a retail environment. The display stand unit includes a base having an interior and a display stand. The display stand includes a stem that connects to and extends upwardly from the base and a receiving surface that is suspended above and spaced away from the base by the stem. The receiving surface is configured to releasably hold an electronic device above and spaced away from the base. The display stand unit further includes a security cable that extends out from the base. The security cable is configured to attach to the electronic device to movably secure the electronic device to the base. The display stand unit further includes a retractor disposed within the interior of the base and connected to the security cable. The retractor automatically retracts the security cable.

Abstract: A semiconductor package and a manufacturing method thereof are provided. The semiconductor package includes a die, an underfill layer, a patterned dielectric layer and a plurality of conductive terminals. The die has a front surface and a back surface opposite to the front surface. The underfill layer encapsulates the die, wherein a surface of the underfill layer and the back surface of the die are substantially coplanar to one another. The patterned dielectric layer is disposed on the back surface of the die. The conductive terminals are disposed on and in contact with a surface of the patterned dielectric layer and partially embedded in the patterned dielectric layer to be in contact with the die, wherein a portion of the surface of the patterned dielectric layer that directly under each of the conductive terminals is substantially parallel with the back surface of the die.

Abstract: The disclosure relates to an omni-directional horizontally oriented deflecting tool for a coiled tubing, which includes an inner central pipe, an outer central pipe, a conical outer cylinder, a piston outer cylinder, an anchoring mechanism, a sealing mechanism, a reversing mechanism and a steering mechanism. The anchoring mechanism includes a cone, an O-shaped sealing ring I, a cone spring, a slip, a slip spring, a slip seat, a claw I and a pin shaft I, and the sealing mechanism includes a piston, an O-shaped sealing ring II, a claw II, a pin shaft II, an upper rubber cylinder seat, a rubber cylinder, a connecting cylinder, a lower rubber cylinder seat and a gasket.

Abstract: A multi-axis turntable includes a base, a rocker arm and a first driving device capable of driving the rocker arm to rock around the first rotation axis on the base. A swing arm and a second driving device, which is capable of driving the swing arm to swing around the second rotation axis on the rocker arm, are provided on the rocker arm. A workbench and a third driving device for driving the workbench to rotate around the third rotation axis are provided on the swing arm. The second rotation axis and the third rotation axis are parallel to each other or on different planes. Compared with the existing double rotating shaft turntable, the multi-axis turntable of the present invention has a cutting tool system of good and stable rigidity.

Abstract: In a blockchain transaction execution method, a first transaction of a first blockchain is received from a proxy program component. The first transaction is based on a second transaction of a second blockchain. A data structure of the first transaction is different from a data structure of the second transaction. The second transaction is extracted from the first transaction. A virtual machine is invoked to execute the second transaction of the second blockchain. An execution result of the second transaction is transmitted to the application via the proxy program component.

Abstract: Provided are a product performance prediction modeling method and apparatus, a product performance prediction method, a product performance prediction system, a computer device, and a storage medium. The product performance prediction modeling method includes: acquiring first sample data, the first sample data including device outlier data generated in a process of manufacturing a product by a device; acquiring a production line configuration simulation parameter of a production line relating to a location of the device, and product information of the product manufactured by the production line; selecting a simulation model to perform simulation test on the performance of the product, to obtain product performance simulation data; and inputting the device outlier data, the production line configuration simulation parameter, the product information and the product performance simulation data into a machine learning model to perform machine learning training, to obtain a product performance prediction model.

Abstract: Disclosed herein are an adhesion blocking element, a three-dimensional printing device and a three-dimensional printing method. The adhesion blocking element comprises: one light-transmittable main body comprising a first surface and a second surface which are disposed opposite to each other, and side faces connecting the first surface and the second surface; and a plurality of microstructures arranged on the main body, wherein each microstructure has one cavity formed in the main body and one first open face which is arranged on the first surface of the main body and communicated to the cavity. The present invention decreases the adhesion between the adhesion blocking element and the cured layer by improving the structure of the adhesion blocking element itself, and eliminates the negative pressure adsorption between the cured layer and the adhesion blocking element, so that it is easier to peel the adhesion blocking element off from the cured layer.

Abstract: In a blockchain data processing method, service updating data of each of a plurality of encrypted data is received. The service updating data of each of the plurality of encrypted data includes encrypted primary key information of the respective encrypted data. Each of the plurality of encrypted data includes service data encrypted by a respective service node of a plurality of service nodes. Service intersection data is generated based on a data intersection of the service updating data of the plurality of encrypted data. The service intersection data is transmitted to a service node of the plurality of service nodes. The service intersection data includes supplemental text data from another service node of the plurality of service nodes.

Abstract: A tunnel operation robot includes a robot body, a walking module, a fixed wing module and a plurality of rotatable wing modules. Both sides of the robot body are provided with cantilever parts, which are collinearly arranged. The walking module is arranged on the robot body. The fixed wing module includes a fixed fan, is fixedly arranged on the robot body, and is configured to provide a pressure for the walking module to be attached to and pressed against the tunnel wall surface. The plurality of rotatable wing modules are respectively arranged on the cantilever parts on both sides of the robot body, and include a rotatable rotating fan and a wind direction adjustment driver. Each rotating fan has a rotation axis parallel to the cantilever parts and an air outlet direction perpendicular to the cantilever parts, and the wind direction adjustment driver is connected to the rotating fan.

Abstract: A gear shifting mechanism includes a drive motor, a shifting drum, and a first shifting mechanism. The first shifting mechanism includes a first shifting fork, an inner shaft, an outer hub, a first coupling pin, and an elastic component. The elastic component is sleeved on the inner shaft and is located between the inner shaft and the outer hub. There is a first limiting portion and a second limiting portion between the outer hub and the inner shaft. The elastic component is located between the first limiting portion and the second limiting portion. The first limiting portion is connected to one of the outer hub and the inner shaft, and the second limiting portion is connected to the other of the outer hub and the inner shaft.

Abstract: An AC detection circuit, including a live wire input end and a neutral wire input end; a first diode and a second diode being both Zener diodes and with anodes connected to each other; a first resistor and a second resistor; a rectification module connected to the live wire input end and the neutral wire input end; a power supply for supplying power; a current mirror module with a current value at the first output end and a current value at the second output end having a fixed ratio; a unidirectional conduction module, configured to enable unidirectional conduction of the current from the current mirror module to the first diode; and a current comparison module, including an oscillator, a timer, a current comparator and a reference current source, and configured to compare the current value of the second output end of the current mirror module with a reference current value.

Abstract: The present invention discloses a Fe—Al-based metal porous membrane and a preparation method thereof, which relate to the technical field of industrial gas-solid and liquid-solid separation and purification, and mainly address problems in the prior art, such as cracking-prone and peeling of a membrane layer of an existing Fe—Al-based metal porous membrane during its preparation and use. The preparation method of the present invention comprises the steps of: adding a Fe—Al-based metal powder and a metal fiber powder into an organic-additive-added water-based solvent, and mixing them into a slurry; casting the slurry, through a casting machine, to form a membrane green body on a metal substrate layer, and letting it dry; and placing the dried membrane green body in a sintering furnace, to remove organic substances and perform high-temperature sintering and predetermined-temperature reaction synthesis.

Abstract: A blockchain-based data processing method, apparatus, and computer-readable medium are provided. Block proposal information is received including a block and a digital signature transmitted by an out-block node. The digital signature is obtained by performing digital signature processing on block header information included in the block. The block header information includes a first Merkel root determined based on transaction data in the block body information. Digest calculation on the block header information is performed to obtain first digest information. De-signature processing is performed on the digital signature to obtain second digest information. A second Merkel root is determined based on the transaction data acquired from the block proposal information when the first digest information and the second digest information are matched. An operation on the block is performed based on a comparison result of the first Merkel root and the second Merkel root.

Abstract: The present disclosure includes a method for processing distributed data. In the method, the distributed data of a first main body is obtained. The distributed data has a transfer identifier. The distributed data is transferred, in response to a second main body different from the first main body, to a management address based on the transfer identifier when the distributed data meets a first condition. The first condition is that the distributed data includes abnormal information. The distributed data transferred to the management address freezes transfer of the distributed data by the first main body.