Abstract: A microbial composite reagent, a preparation method thereof, and a method for removing perfluorooctanoic acid are disclosed. The preparation method of the microbial composite reagent includes steps of: preparing a glucose-based carbonaceous material by pyrolyzing glucose at 400° C. to 1000° C. for at least 0.5 hours under a protective atmosphere; mixing perfluorooctanoic acid-contaminated soil with a basal medium, molasses, a vitamin B, and water, and subjecting the mixture to microbial acclimation under an anaerobic condition to obtain an acclimated microorganism solution; subjecting the glucose-based carbonaceous material to microbial loading by anaerobically mixing the glucose-based carbonaceous material with the acclimated microorganism solution, thereby obtaining the microbial composite reagent.

Abstract: A splicing structure includes a support frame and a plurality of splicing modules. The support frame includes a frame base and an adjustment assembly movably disposed on the frame base, where the adjustment assembly includes a first adjustment structure and a second adjustment structure that move in different directions. A splicing module of the plurality of splicing modules is configured to be detachably connected with a corresponding to-be-spliced structure, where the splicing module is movably disposed on one of the first adjustment structure and the second adjustment structure, while the other one of the first adjustment structure and the second adjustment structure has a driving state and a non-driving state. When the other one of the first adjustment structure and the second adjustment structure moves, touches, and pushes the splicing module, the other one of the first adjustment structure and the second adjusting structure is switched from the non-driving state to the driving state.

Abstract: A calibration device is provided. The calibration device includes a laser assembly, a calibration bracket and a magnetic element. The calibration bracket includes a loading platform which is configured to support the laser assembly. The magnetic element is mounted on one of the laser assembly and the loading platform, and is configured to attract the other of the laser assembly and the loading platform. By means of arranging the magnetic element on one of the loading platform and the laser assembly, the magnetic element can attract the other of the loading platform and the laser assembly, so that when the laser assembly needs to be mounted on the loading platform, the laser assembly only needs to approach the loading platform and the laser assembly will be attracted to the loading platform due to the magnetic force provided by the magnetic element.

Abstract: A display module and a display device are provided. The display module includes a display panel and a composite layer. The composite layer is located on a backlight side of the display panel and includes a heat dissipation layer. The display panel includes a planar region, curved regions and corner regions. The curved regions are partially arranged around the planar region and the corner regions are disposed at corners of the curved regions. In one corner region, the heat dissipation layer includes at least one opening. The corner region includes a first position and a second position. A width of the opening at the first position is smaller than the width of the opening. At the half length of the opening, the width D2 of the opening is smaller than half of the maximum width D1 of the opening.

Abstract: The present application discloses a support plate, a display module and a display device. The support plate includes a bending region, the bending region can be bent around a first direction, the bending region includes a plurality of repeating units, and the repeating unit includes a support body and two stress-releasing holes formed in the support body, and the two stress-releasing holes are arranged to be spaced from each other; in the same repeating unit, each of the two stress-releasing holes is L-shaped, and angles of the two stress-releasing holes are arranged opposite to each other. The support plate provided by the present application can achieve both the support performance and the bending performance.

Abstract: A calibration system and a calibration bracket thereof. The calibration bracket includes: a base; a fixed vertical rod, one end of the fixed vertical rod being mounted on the base; a movable vertical rod, mounted on the fixed vertical rod, and being able to move relative to the fixed vertical rod along a length direction of the fixed vertical rod; a brake member, configured to provide a friction force for driving the movable vertical rod to be fixed relative to the fixed vertical rod along the length direction of the fixed vertical rod; and a hanging member, mounted on the movable vertical rod, the hanging member being used for hanging a calibration element, the calibration element being used for calibrating an advanced driver assistance system of a vehicle.

Abstract: A display panel and a display device are provided. The display panel includes a first substrate, a second substrate arranged opposite to the first substrate, an electrophoresis layer, a liquid-blocking portion and a supporting structure. The electrophoresis layer is arranged between the first substrate and the second substrate and includes multiple electrophoresis particles. The liquid-blocking portion is arranged at an edge of the first substrate and/or the second substrate. The supporting structure is arranged between the first substrate and the second substrate and includes a first supporting portion and a second supporting portion. A height of the first supporting portion is greater than that of the second supporting portion in a direction perpendicular to a plane where the first substrate is located. A minimum distance between the second supporting portion and the liquid-blocking portion is less than that between the first supporting portion and the liquid-blocking portion.

Abstract: Provided are a splice panel assembly, a backlight module and a display device. The splice panel assembly includes a plurality of light-emitting panels. Each light-emitting panel includes a base substrate. The front face of the base substrate is provided with a plurality of light-emitting elements arranged in an array. The side face of the base substrate is provided with at least one connection electrode. The light-emitting elements are electrically connected to the at least one connection electrode. The front face is connected to and not parallel to the side face. Two adjacent light-emitting panels are electrically connected to each other by the at least one connection electrode.

Abstract: Disclosed are a calibration system (600a) and a calibration support (100a) therefor. The calibration support (100a) comprises: a base (10); a vertical frame assembly (20a), comprising a fixed vertical rod (22) and a movable vertical rod (24), wherein the fixed vertical rod (22) is mounted on the base (10), and the movable vertical rod (24) is capable of moving, within a preset range relative to the base (10), in the length direction of the fixed vertical rod (22); and a cross beam (30a), which is detachably mounted to one of a first mounting seat (35a) and a second mounting seat (36a) which are connected to the movable vertical rod (24), the cross beam (30a) being used for mounting a calibration element, and the calibration element being used for calibrating an advanced driver assistant system of a vehicle.

Abstract: Provided display device includes at least one magnetic component, first display segment and second display segment connected to each other and foldable towards each other. The magnetic component includes first magnetic module located in non-display region of first display segment and second magnetic module located in non-display region of second display segment. The display device includes first folded state in which contact ends come into contact and second folded state in which the contact ends in contact for period of time. The attractive force A of the first magnetic module to the second magnetic module in the first folded state is smaller than the attractive force B thereof in the second folded state. The preceding solution can prevent the user's hands from being gripped when the user folds the display device and can ensure that the display device maintains stable folded state.

Abstract: The present application discloses a support plate, a display module and a display device. The support plate includes a bending region, the bending region can be bent around a first direction, the bending region includes a plurality of repeating units, and the repeating unit includes a support body and two stress-releasing holes formed in the support body, and the two stress-releasing holes are arranged to be spaced from each other; in the same repeating unit, each of the two stress-releasing holes is L-shaped, and angles of the two stress-releasing holes are arranged opposite to each other. The support plate provided by the present application can achieve both the support performance and the bending performance.

Abstract: Provided are a splice panel assembly, a backlight module and a display device. The splice panel assembly includes a plurality of light-emitting panels. Each light-emitting panel includes a base substrate. The front face of the base substrate is provided with a plurality of light-emitting elements arranged in an array. The side face of the base substrate is provided with at least one connection electrode. The light-emitting elements are electrically connected to the at least one connection electrode. The front face is connected to and not parallel to the side face. Two adjacent light-emitting panels are electrically connected to each other by the at least one connection electrode.

Abstract: A retractable apparatus is provided. The retractable apparatus includes a stretchable mechanism. The stretchable mechanism includes a plurality of connecting portions arranged in a first plane. Adjacent connecting portions of the plurality of connecting portions are connected to each other in a retractable manner. At least three connecting portions are non-collinearly arranged.

Abstract: Provided is a display device including a display panel and a fluid heat dissipation module which includes a circulation cooling assembly and at least one heat dissipation assembly. A heat dissipation assembly includes a first fluid cavity adjacent to a first surface of the display panel and a second fluid cavity adjacent to a second surface of the display panel. The first fluid cavity communicates with the second fluid cavity. The heat dissipation assembly includes at least one fluid inlet disposed on an end of the first fluid cavity and at least one fluid outlet disposed on an end of the second fluid cavity. A fluid inlet and a fluid outlet are each connected to the circulation cooling assembly. The first fluid cavity of the heat dissipation assembly and the second fluid cavity of the heat dissipation assembly are adjacent to two surfaces of the display panel.

Abstract: Disclosed are a calibration system (600a) and a calibration support (100a) therefor. The calibration support (100a) comprises: a base (10); a vertical frame assembly (20a), comprising a fixed vertical rod (22) and a movable vertical rod (24), wherein the fixed vertical rod (22) is mounted on the base (10), and the movable vertical rod (24) is capable of moving, within a preset range relative to the base (10), in the length direction of the fixed vertical rod (22); and a cross beam (30a), which is detachably mounted to one of a first mounting seat (35a) and a second mounting seat (36a) which are connected to the movable vertical rod (24), the cross beam (30a) being used for mounting a calibration element, and the calibration element being used for calibrating an advanced driver assistant system of a vehicle.

Abstract: A calibration support includes a support body (100) configured to mount a calibration element, the calibration element being configured to calibrate a driving assistance system of a vehicle (500); an image acquisition device (200) connected to the support body (100) and configured to acquire an image of the vehicle (500); a processing device (300) provided on the support body (100), electrically connected to the image acquisition device (200), and configured to calculate, according to the image acquired by the image acquisition device (200), the movement position of the support body (100) relative to the vehicle (500) and output a control signal comprising the movement position; and a control device (400) provided on the support body (100), electrically connected to the processing device (300), and configured to receive the control signal and control the support body (100) to move.

Abstract: A calibration bracket (100), comprising: a base (10); a stand component (20) connected to the base (10); a cross beam component (30, 30?) mounted to the stand component (20) and used for mounting a calibration element, which is used for calibrating an advanced driver assistant system of a vehicle; and a rotating component (40) mounted between the stand component (20) and the base (10), and used for driving the stand component (20) to pivot about a central axis of the stand component (20) relative to the base (10) so as to adjust an angle of rotation of the cross beam component (30, 30) relative to the central axis of the stand component (20). According to the structure, an angle of rotation of the cross beam component (30, 30?) relative to the central axis of the stand component (20) can be adjusted, so that the rotation of the cross beam component (30, 30?) is free from the mounting position. The calibration bracket is simple in structure, and convenient to carry.

Abstract: A calibration system and a calibration bracket thereof. The calibration bracket includes: a base; a fixed vertical rod, one end of the fixed vertical rod being mounted on the base; a movable vertical rod, mounted on the fixed vertical rod, and being able to move relative to the fixed vertical rod along a length direction of the fixed vertical rod; a brake member, configured to provide a friction force for driving the movable vertical rod to be fixed relative to the fixed vertical rod along the length direction of the fixed vertical rod; and a hanging member, mounted on the movable vertical rod, the hanging member being used for hanging a calibration element, the calibration element being used for calibrating an advanced driver assistance system of a vehicle.

Abstract: Related are a calibration device (100), a calibration system, and a calibration method in the technical fields of vehicle maintenance and device calibration. A calibration element (20) is mounted on a main frame (10), the calibration element (20) being used for calibrating a sensor (30) of an advanced driver assistant system of a vehicle (200). When in use, the main frame (10) is positioned in a first preset position in the vicinity of at least one wheel hub of the vehicle (200), and by determining the position to place the main frame (10) on the basis of the position of the wheel hub, a lot of time wasted for scribing measurement is saved, thereby providing a calibration device (100), a calibration system, and a calibration method which are easy to operate with increased work efficiency.

Abstract: Provided display device includes at least one magnetic component, first display segment and second display segment connected to each other and foldable towards each other. The magnetic component includes first magnetic module located in non-display region of first display segment and second magnetic module located in non-display region of second display segment. The display device includes first folded state in which contact ends come into contact and second folded state in which the contact ends in contact for period of time. The attractive force A of the first magnetic module to the second magnetic module in the first folded state is smaller than the attractive force B thereof in the second folded state. The preceding solution can prevent the user's hands from being gripped when the user folds the display device and can ensure that the display device maintains stable folded state.