Abstract: A standing device for letting a battery cell stand includes: a pressure regulating apparatus; a standing cavity; a charging cavity, connected to a first end of the standing cavity, the charging cavity being connected to the pressure regulating apparatus; a conveying apparatus, penetratingly disposed in the standing cavity and the charging cavity and configured to convey the battery cell; and a charging cavity sealing gate, disposed between the charging cavity and the standing cavity, the charging cavity sealing gate being configured to be opened when the pressure in the charging cavity rises to the pressure in the standing cavity, so that the battery cell is conveyed to the standing cavity.

Abstract: The supporting module includes a supporting assembly including a fixed plate and a movable plate, and both sides of fixed plate are hinged with one movable plate; a synchronous assembly is fixed on the fixed plate, transmission assemblies are located at a bottom of the movable plate and a bottom of the fixed plate, a bottom surface of each movable plate is movably connected to a first end of one transmission assembly, and second ends of the transmission assemblies located at both sides of the fixed plate are movably connected to the synchronous assembly; when a first included angle is disposed between a supporting surface of one movable plate and a supporting surface of the fixed plate, a supporting surface of the other movable plate keeps the first included angle with the supporting surface of the fixed plate under an action of the transmission assembly and the synchronous assembly.

Abstract: A box retrieval device incudes a mounting frame and a box retrieval assembly. The mounting frame defines an accommodating space. The box retrieval assembly is movably arranged on the mounting frame along a front-rear direction, and the box retrieval assembly is at least partially dockable with one end of the cargo box adjacent to the box retrieval assembly in the front-rear direction, to enable the box retrieval assembly to pull or push the cargo box into or out of the accommodating space while the box retrieval assembly moves along the front-rear direction.

Abstract: A heat dissipation assembly includes a heat dissipation layer main body including at least one first side, arc-shaped corner side and second side, at least one first bending portion, second bending portion and corner bending portion. A first side, an arc-shaped corner side and a second side are sequentially connected. A first bending portion, a corner bending portion and a second bending portion, that are sequentially connected, are respectively connected to the first side, the arc-shaped corner side and the second side; the corner bending portion is provided with at least one first opening therein. A first opening is in a shape of a strip, and extends substantially in a radial direction of the arc-shaped corner side. In a case where the corner bending portion is provided with first openings therein, the first openings are sequentially arranged at intervals in an extending direction of the arc-shaped corner side.

Abstract: A display module and a display device are disclosed. The display module includes a display substrate provided with a first edge; a circuit board arranged at the first edge of the display substrate and electrically connected with the display substrate; and a supporting plate arranged on the non-display surface of the display substrate; the supporting plate is able to be bent and includes a first part and a second part, and the second part is provided with a hollow opening; the display substrate is positioned on the first part and is fixedly connected with the first part; and the circuit board is positioned on the second part and is fixedly connected with the second part.

Abstract: A delaminated subway station structure in a sea-land connection region includes an openly-excavated station hall, a platform floor, a first air shaft duct, a second air shaft, up and down entrances and exits, a barrier-free entrance and exit, and an under-rail street passage, where the platform floor is formed by expanding an existing running tunnel, such that a double-vault structure of the platform floor is formed; two groups of up and down entrances and exits are disposed, and located in waiting regions on two sides respectively to connect expanded ear chambers on two sides and the openly-excavated station hall; two groups of barrier-free entrances and exits are disposed, and located in the waiting regions on the two sides respectively; and the under-rail street passage is closely attached to a bottom plate of the existing running tunnel to form an underpass and connects to the expanded ear chambers.

Abstract: A delaminated subway station structure in a sea-land connection region includes an openly-excavated station hall, a platform floor, a first air shaft duct, a second air shaft, up and down entrances and exits, a barrier-free entrance and exit, and an under-rail street passage, where the platform floor is formed by expanding an existing running tunnel, such that a double-vault structure of the platform floor is formed; two groups of up and down entrances and exits are disposed, and located in waiting regions on two sides respectively to connect expanded ear chambers on two sides and the openly-excavated station hall; two groups of barrier-free entrances and exits are disposed, and located in the waiting regions on the two sides respectively; and the under-rail street passage is closely attached to a bottom plate of the existing running tunnel to form an underpass and connects to the expanded ear chambers.

Abstract: The present disclosure provides a visual analysis system based on a discipline assessment report, and relates to the technical field of discipline assessment. The visual analysis system based on a discipline assessment report includes a data acquisition unit. An output end of the data acquisition unit is electrically connected to an input end of a data preprocessing unit, and an output end of the data preprocessing unit is electrically connected to an input end of a central processing unit. According to the visual analysis system based on a discipline assessment report, development and changes of the discipline in a project corresponding to the indicator are accurately determined, and a clear plan and development goal are made for overall development of the discipline. Therefore, the overall discipline assessment and a follow-up development process are more clear and distinct.

Abstract: A display apparatus including a folding bracket and a flexible display panel. The folding bracket includes a base and two folding mechanisms, and the two folding mechanisms are rotatably connected to the base respectively and are capable of being unfolded and folded relative to each other. The flexible display panel includes a support layer and a panel body that are separated from each other, and each of the support layer and the panel body is connected to the two folding mechanisms. Each of the two folding mechanisms is configured to drive the panel body and the support layer to move in staggered directions.

Abstract: The present disclosure provides a corrugated skew rolling preparation method of a magnesium alloy bar with a gradient structure, adopts a three-roller skew rolling mill, adding a corrugated curve to a flat roll rolling section of the three-roller skew rolling mill to form a corrugated roll, the billet used is as-cast magnesium alloy bar, and steps include: simulated rolling physical experiment; rolling parameters setting; bar homogenization annealing treatment; heating treatment of bars before rolling; three-roller skew mill rolling; cooling of the rolled parts after rolling. Thus improving the preparation efficiency and preparation quality of the magnesium alloy bar with gradient structure. And further improves the formiability of magnesium alloy bar with gradient structure.

Abstract: This application provides an electrode plate mass detection method, coating method, apparatus, device, system, and medium, pertaining to the field of battery technologies. The method includes: controlling a surface density gauge to create radiation surfaces of different shapes on an electrode plate; obtaining surface density information corresponding to the radiation surfaces; and determining mass information of the electrode plate based on the surface density information.

Abstract: Provided is a rotary shaft mechanism including a curved base, a screen support plate, a curved slider, and a rotating block; the curved base includes a first centerline extending along X direction and two curved connecting portions symmetrically arranged around the first centerline; in the X direction, the screen support plates are on opposite sides of the curved base, each curved connecting portion is connected to the corresponding screen support plate through the curved slider and the rotating block; along the X direction, each curved connecting portion is divided into first and second curved guide grooves, the rotating block includes a curved connector connected to the first curved guide groove, and a sliding connector slidably connected to the screen support plate; the curved slider is rotatably connected into the second curved guide groove, and the curved slider is rotatably connected to the screen support plate through a pin-shape shaft.

Abstract: An antenna module that includes an antenna substrate, a plurality of three-dimensional (3-D) antenna cells on a first surface of the antenna substrate, a plurality of packaged circuitry on a second surface of the antenna substrate, and a plurality of supporting balls mounted on the second surface of the antenna substrate. The plurality of packaged circuitry includes a plurality of radio-frequency (RF) chips on the second surface of the antenna substrate. Each of the plurality of 3-D antenna cells comprises a raised antenna patch with a plurality of projections and a plurality of supporting legs, where at least a relief cut is provided between one of the plurality of projections and one of the plurality of supporting legs.

Abstract: A separated prosthetic foot with a transverse arch belongs to the technical field of manufacturing of artificial limbs. The characteristics of the transverse arch of the human foot are combined into the previous transverse-straight carbon fiber foot design to improve the stiffness of the prosthetic foot and reduce the weight of the prosthetic foot. A forefoot part employs a separated curved plate design, and two simple curved plates with different curvatures are used for simulating a complex curved surface of the transverse arch of the human, such that the manufacturing cost is reduced, and the various parts of the sole are non-uniform in stiffness distribution: the outer side of the foot is a single-layer forefoot plate with a smaller curvature and minor stiffness; and the inner side of the foot is a double-layer stacked forefoot plate, and the lower layer plate has a large radius in curvature and stiffness.

Abstract: Provided are a supporting backplane and a display apparatus. The supporting backplane is arranged at one side of a flexible display panel, and the supporting backplane at least comprises a main bending area, wherein a bending axis corresponding to the main bending area extends in a first direction; the main bending area is provided with a plurality of first hollow holes, the plurality of first hollow holes being arranged in an array in the first direction and a second direction, which is orthogonal to the first direction; each of the first hollow holes is provided with a first middle hole area, and first arc-shaped hole areas located at two sides of the first middle hole area in the first direction.

Abstract: A hinge apparatus, which includes a rotating portion and a co-moving portion; the rotating portion includes a guide groove seat, a first supporting plate, a second supporting plate, a first connection plate, and a second connection plate; the first supporting plate and the second supporting plate are respectively rotationally fitted with two non-circular arc guide grooves disposed in the guide groove seat through their own non-circular arc rotating portions, and the first connection plate and the second connection plate are respectively rotationally fitted with two circular arc guide grooves disposed in the guide groove seat through their own circular arc rotating portions; the first connection plate and the second connection plate are respectively connected with the first supporting plate and the second supporting plate in a slidable manner; the co-moving portion includes a first connection rod, a second connection rod, a fixing seat, a first rotating shaft, a second rotating shaft, and a transmission appara

Abstract: Provided is a hinge. The hinge includes: a support base and at least one set of flip assemblies. One set of flip assemblies include a first flip assembly and a second flip assembly that are symmetrically arranged with respect to the support base. The first flip assembly includes a first swing arm and a first flip plate. A first end of the first swing arm is flipably connected to the support base, and a second end of the first swing arm is flipably connected to a rear face of the first flip plate. The second flip assembly includes a second swing arm and a second flip plate. A first end of the second swing arm is flipably connected to the support base, and a second end of the second swing arm is flipably connected to a rear face of the second flip plate.

Abstract: The present disclosure discloses a display module and a display apparatus, which belong to the field of display technologies. The display module includes a display panel and a circuit board. The display panel can be bonded and connected to the circuit board after being bent twice respectively by the first bending part and the second bending part, so that a first connection part of the display panel and the circuit board are laminated at one side of the back surface of the display panel further away from a display surface.

Abstract: The present application provides a large-sized single crystal cutting device and a method of using the same. The device includes a cutting system, a commutation system, and a detection system. The cutting system includes a cutting line, a pay-off axis, a guide wheel, and a take-up axis. The commutation system is disposed between the pay-off axis and the take-up axis to adjust a tension and a line speed of the cutting line. The detection system is configured to detect the tension and the line speed of the cutting line.