Abstract: The present disclosure relates to a drive device, a vehicle, and a method of controlling a drive device. A drive device includes an articulated structure, a transmission structure, and a drive structure. The articulated structure includes a fixed end and a movable end articulately connected to the fixed end. The transmission structure is provided at the movable end and includes a connection rod and a rocker arm. One end of the connection rod is rotatably connected to the rocker arm, and the other end of the connection rod is rotatably connected to the fixed end. The drive structure is provided at the movable end and includes an actuator and a drive shaft. The drive shaft is fixedly connected to an end of the rocker arm away from the connection rod. The actuator drives the drive shaft to rotate the rocker arm about an axis of the drive shaft.

Abstract: A vehicle emblem raising and retracting device includes a driving mechanism, a clutch mechanism and a linkage rod mechanism. Driving mechanism is assembled in vehicle body of vehicle. Clutch mechanism is assembled below a three-dimensional vehicle emblem and is selectively connected to driving mechanism; when clutch mechanism is engaged with driving mechanism, driving mechanism drives clutch mechanism to cause three-dimensional vehicle emblem to move up and down relative to vehicle body; when clutch mechanism is disengaged from driving mechanism, clutch mechanism and three-dimensional vehicle emblem descend to inside of vehicle body under effect of their own gravity.

Abstract: A connecting device for light emitting diode (LED) boxes and an LED display device. The connecting device for LED boxes includes: a first connecting assembly, which includes a first plugging portion; and a second connecting assembly, which includes: a fixed seat, a second plugging portion movably arranged on the fixed seat and having an extending position in a plug-in cooperation with the first plugging portion and a retracting position separated from the first plugging portion, a driving portion movably arranged on the fixed seat, wherein the driving portion is connected with the second plugging portion through a linkage device, so as to drive the second plugging portion to move between the retracting position and the extending position, and elastic reset member arranged between the fixed seat and the driving portion.

Abstract: Provided are a method and apparatus for storing and reading data, a non-volatile storage medium, and an image processing device. The method includes: target pixel data of an original image for display in a plurality of lamp panels and a pixel parameter corresponding to each piece of pixel data are acquired; according to a pixel address mapping relationship and the pixel parameter, adjacent addresses in a memory are allocated to the pixel data respectively corresponding to different lamp panels in the target pixel data, so as to determine a memory location where each piece of pixel data is stored in the memory; the target pixel data is stored to the memory according to the memory location; a set of adjacent pixel data is successively read out from the memory at every time until all the target pixel data is read out from the memory.

Abstract: A calculation method for service life of concrete in a plateau environment considering protection and restoration effects is provided and includes a construction of a model based on a coupling effect of multi-factors of temperature-humidity-salt concentration-load under the plateau environment, simulation of protection and restoration effects, and quantification of service life. The model includes the physical fields of temperature conduction with variable boundary conditions, water dry-wet cycle transport, salt ion transport, and force fields caused by internal and external loads. The simulation of protection and restoration effects include: surface protective coating, damage restoration, and rebar corrosion resistance.

Abstract: The disclosure provides an edge locking apparatus of a Light Emitting Diode (LED) display screen and the LED display screen. The edge locking apparatus of the LED display screen includes an edge locking structure. The edge locking structure includes a lock seat, a lock cylinder, a rotating piece, a first driving piece and a second driving piece. The lock cylinder is movably arranged in the lock seat, and the lock cylinder includes a cylinder body part, and a lock pin, a first rotating part, an avoiding part and a second rotating part which are sequentially arranged on the cylinder body part at intervals. The cylinder body part is provided with a retracting position enabling the lock pin to retract into the lock seat, an inserting position enabling the lock pin to extend out of the lock seat and a locking position enabling the lock pin to rotate by a preset angle relative to the inserting position.

Abstract: The present disclosure provides a plug-in mechanism of an LED display device and the LED display device. The plug-in mechanism of the LED display device comprises a first plug-in assembly and a second plug-in assembly which are matched with each other, wherein the first plug-in assembly comprises a first seat body, a first power supply plug-in part, a first signal plug-in part, a first driving component, a second driving component and a function switching component; the first driving component is movably arranged on the first seat body and drives the first power supply plug-in part to move; the second driving component is movably arranged on the first seat body and drives the first signal plug-in part to move; the second plug-in assembly comprises a second seat body, a second power supply plug-in part, a second signal plug-in part and a pushing part; and when the function switching component is located at a first working position, the function switching component can drive the driving part to move.

Abstract: A calculation method for service life of concrete in a plateau environment considering protection and restoration effects is provided and includes a construction of a model based on a coupling effect of multi-factors of temperature-humidity-salt concentration-load under the plateau environment, simulation of protection and restoration effects, and quantification of service life. The model includes the physical fields of temperature conduction with variable boundary conditions, water dry-wet cycle transport, salt ion transport, and force fields caused by internal and external loads. The simulation of protection and restoration effects include: surface protective coating, damage restoration, and rebar corrosion resistance.

Abstract: A wall-embedded wire and cable box is configured for installing in an installation hole of a wall. The embedded wire box includes a main body of embedded wire box, connecting members, and locking members. The locking members are connected to the main body of embedded wire box and the connecting members, and the locking members are capable of driving the connecting members to move, so that the connecting members have an unfolded state and a restored state. When the connecting members are in the restored state, the main body of embedded wire box can be installed in the installation hole of the wall. When the connecting members are in the unfolded state, the locking members can be used for locking the wall between the main body of embedded wire box and the connecting members.

Abstract: A butterfly door hinge and a vehicle having the same are provided, which includes a mounting base, a door connecting arm, a hinge connecting arm, and a limiting assembly, wherein the hinge connecting arm has one end hinged with the mounting base, and the other end hinged with the door connecting arm; the limiting assembly includes a planar limiting portion arranged on the mounting base, and a limiting body arranged on the door connecting arm, the limiting body having a spiral-type outer contour. In the disclosure, first the hinge connecting arm is used to constrain the door to swing along a fixed point, and then a posture of the door is constrained through a frictional fit between the limiting body and the planar limiting portion.

Abstract: The present invention provides a cochlear outer hair cell (OHC) regenerated by ectopic joint overexpression of Atoh1 and Ikzf2 and an application thereof. Specifically, the present invention provides an active ingredient combination capable of being used for regenerating a cochlear OHC, and a use thereof. The active ingredient combination comprises an Ikzf2 protein and an Atoh1 protein; and after the active ingredient combination is administered to a subject suffering from hearing impairment related to cochlear OHC degeneration and/or injury, hearing impairment can be alleviated by regenerating an OHC-like cell. A new method is provided for clinical treatment of hearing impairment.

Abstract: Provided are a method and apparatus for storing and reading data, a non-volatile storage medium, and an image processing device. The method includes: target pixel data of an original image for display in a plurality of lamp panels and a pixel parameter corresponding to each piece of pixel data are acquired; according to a pixel address mapping relationship and the pixel parameter, adjacent addresses in a memory are allocated to the pixel data respectively corresponding to different lamp panels in the target pixel data, so as to determine a memory location where each piece of pixel data is stored in the memory; the target pixel data is stored to the memory according to the memory location; a set of adjacent pixel data is successively read out from the memory at every time until all the target pixel data is read out from the memory.

Abstract: The present disclosure provides a plugging mechanism of an LED display apparatus, and an LED display apparatus, wherein the plugging mechanism of the LED display apparatus includes: a power socket; and a power plug, including a second seat body, and a second conductive member, a plurality of first driving members and a plurality of first reset members, each first driving member is able to be subjected to a first driving force opposite to a direction of a first reset force, and when the first driving force applied to each first driving member is less than a corresponding first reset force, the second conductive member is at a first disconnection position; and when the first driving force applied to each first driving member is greater than the corresponding first reset force, the second conductive member moves from the first disconnection position to a first conduction position.

Abstract: The present disclosure provides a plug-in connection device of an LED display device, and the LED display device. The plug-in connection device includes a power supply plug-in connection structure, wherein the power supply plug-in connection structure includes: a first receptacle assembly including a first base, a first electrically conductive member, and a switch, wherein the switch is able to make the first electrically conductive member in a connected state or a disconnected state; and a first plug assembly including a second base, a second electrically conductive member, and a first driving member, wherein the second electrically conductive member has a first connection position penetrating out of the second base and being in contact conduction with the first electrically conductive member and a first disconnection position retracted into the second base and separated from the first electrically conductive member.

Abstract: A method, a system and a device for difference automatic calibration in cross modal target detection are provided. The method includes: obtaining a plurality of modals of color-thermal images to be detected, and constructing an input image set; acquiring a feature map of each modal image in the input image set, and extracting a shared candidate region; aligning the shared candidate region, and obtaining a feature representation of the each shared candidate region through pooling; obtaining a category of the feature representation of the shared candidate region based on a preset classifier, and obtaining a position of the shared candidate region through deviation regression; adopting non-maximum value suppression to obtain a shared candidate region with the highest probability according to the category of the feature representation of the shared candidate region, and returning to the image to be detected for marking according to the position of the shared candidate region.

Abstract: The present disclosure discloses a medium transmission test device and a method for concrete under a temperature-osmotic pressure-load coupling effect. The device includes a loading device and a water pressurization device; the loading device includes a press, an upper steel plate and a lower steel plate used for clamping a test block, and a fastener that connects the upper and lower steel plates; the upper steel plate includes a first steel plate and a second steel plate; a spring is sleeved on a screw between the first steel plate and the second steel plate; the water pressurization device includes a liquid storage tank, a pressurization pump, a liquid storage pool, a connecting pipe for communicating the pressurization pump to the liquid storage tank, and a connecting pipe for connecting the pressurization pump to the liquid storage pool; the liquid storage tank is provided with an open end; and a tank port of the open end is fixedly connected to a side surface of the test block.

Abstract: A B+ tree access method, apparatus, and a medium include: when a B+ tree creation instruction is acquired, determining whether there is an idle underlying tree file mapped to a Dynamic Random Access Memory (DRAM); if YES, storing underlying data of a B+ tree in the underlying tree file; if NO, creating a new target underlying tree file, and mapping the target underlying tree file to the DRAM, so as to store the underlying data of the B+ tree in the target underlying tree file; and when a number of layers of the B+ tree is greater than or equal to a preset threshold, storing, in a preset storage area, data of a layer numbered to be greater than or equal to the preset threshold in the B+ tree. Based on a data structure of the B+ tree, data needs to be accessed from the underlying data whenever read.

Abstract: The present invention is a catalyst for a photocatalytic reaction for the production of hydrogen by hydrolysis and a preparation method thereof. A preparation method of a catalyst for a photocatalytic reaction for the production of hydrogen by hydrolysis, comprising: after dispersing the ZnO nanorods into a solvent, adding TiCl4 and water, followed by hydrothermal treatment, washing and drying to obtain a ZnO@TiO2(B) nanoflower catalyst, i.e. the catalyst. According to the present invention, a catalyst for a photocatalytic reaction for the production of hydrogen by hydrolysis and a preparation method thereof, embedding ZnO nanocrystals into a TiO2(B) lattice can improve the stability of photocatalytic hydrogen production.

Abstract: An adjusting mechanism of a box and a light emitting diode (LED) box assembly are provided. The adjusting mechanism of a box includes: a first adjusting structure which includes a first base, a rotating member, an adjusting lock hook movably arranged on the rotating member and a driving member arranged in the rotating member and driving the adjusting lock hook to move, where the rotating member can drive the adjusting lock hook to rotate when rotating such that the adjusting lock hook has a locking position and an unlocking position; and a second adjusting structure which includes a second base and an adjusting rod, where the adjusting lock hook is in the locking position when the adjusting lock hook cooperates with the adjusting rod, and the adjusting lock hook is in the unlocking position when the adjusting lock hook is separated from the adjusting rod.