Abstract: Disclosed is a method for manufacturing a 5Ni steel plate with a low remanence and an excellent surface quality to be used in a ship. The process flow thereof comprises: converter smelting?LF refining?RH high vacuum degassing?treatment with Ca?continuous casting?a slow cooling treatment to the slab?cleaning the surface of the slab?heating?rolling?quenching twice?tempering. The constituents comprise a low content of carbon, a low content of silicon, and 5% Ni, with V and Nb being added thereto, which improves the hardenability, improves the toughness at a low temperature, and improves the starting temperature of non-recrystallization of austenite. The steel plate can be subjected to high-temperature rolling and high-temperature quenching so as to significantly improve the shape of the plate, thus being applicable to the production of thin products.

Abstract: A display panel and a preparation method therefor, and a display device. The display panel comprises an active area and a peripheral area, which is arranged at the periphery of the active area and comprises a bending zone (410), wherein an edge of the peripheral area is provided with a protrusion (500), and the protrusion (500) has an alignment mark (400) for the bending zone (410).

Abstract: A substrate includes a device region and at least one bonding region close to any edge of the substrate relative to the device region. The substrate includes a base, device groups arranged in a first direction and a second direction, signal line groups and bridging portions. A device group includes at least one electronic element. A signal line group includes signal lines extending in the second direction and arranged at intervals in the first direction. At least one bridging portion includes a conductive portion. At least two signal lines in at least one signal line group and electrically connected by a conductive portion, and/or at least one signal line in at least one signal line group includes at least two sub-portions spaced apart in the second direction, and two adjacent sub-portions in the same signal line are electrically connected by a conductive portion.

Abstract: A light-emitting substrate includes a substrate, a reflective layer, at least one first alignment mark disposed on the substrate, a plurality of support columns and a plurality of light-emitting devices. The reflective layer is disposed on the substrate, and the reflective layer has a plurality of openings and a plurality of installation openings. The plurality of openings include at least one first opening. A first alignment mark is exposed by a first opening. In at least one support column, an orthogonal projection of a support column on the substrate at least partially overlaps with an orthogonal projection of an opening on the substrate. The plurality of light-emitting devices are disposed on the substrate, and a light-emitting device is located in an installation opening in the reflective layer.

Abstract: A display module and a display device are provided. The display module includes: a display panel including a display area and a non-display area surrounding the display area; an optical adhesive layer (2) located on a light emitting side of the display panel and covering the display area; and a cover plate, located on a side of the optical adhesive layer facing away from the display panel and covering the display panel and the optical adhesive layer. A limiting groove used for preventing an edge of the optical adhesive layer from overflowing is formed on a side of the cover plate facing the optical adhesive layer. A least the edge of the optical adhesive layer is in the limiting groove.

Abstract: Disclosed in the present application are a leveling method and a leveling system. The leveling method includes providing a leveling mechanism, setting up the plurality of the first containers and connecting two adjacent first containers to each other through one connecting pipe, filling each connecting pipe with observation liquid, measuring same volume of the observation liquid using the second container and fill the observation liquid into the plurality of the first containers separately, maintaining the plurality of the first containers at same horizontal height, defining a liquid level height in the first container as a height of observation liquid level in the first container relative to the first container, and comparing the liquid level heights in the plurality of the first containers, determining the target device is in a leveling state if the liquid level heights in the plurality of the first containers are the same.

Abstract: An accommodating device and a data processing system are provided. The device includes a housing defining a first opening, a cover assembly covering the first opening, a first sealing member, and a second sealing member. The cover assembly includes a first cover and a second cover. The housing includes a first side and a second side. The first cover is rotatably connected to the first side, and the second cover is rotatably connected to the second side. The first sealing member is between the cover assembly and the housing. The second sealing member is connected to the first or the second cover. When each of the first cover and the second cover covers the first opening, the first sealing member abuts against the housing and each of the first cover and the second cover, the second sealing member abuts against the first cover and the second cover.

Abstract: A radiator for providing terahertz electromagnetic radiation. The radiator includes multiple transistor-based oscillators each operable to generate third harmonic power. The radiator also includes a patch antenna operably coupled with the transistor-based oscillators for providing terahertz electromagnetic radiation based on the third harmonic power generated by the transistor-based oscillators.

Abstract: A connector for installing a device in a host includes a main body for connecting the device, a connecting portion retractably connected to the main body, and a pull ring connected to the connecting portion. The pull ring is configured to be connected to a lifting component. The connecting portion is configured to partially protrude from the main body to connect to a cabinet of the host when the pull ring is not pulled by the lifting component, and retract into the main body to separate from the cabinet of the host when the pull ring is pulled by the lifting component. A host having the connector and a data processing equipment having the host are also provided.

Abstract: A structure for identifying the position of a server in a rack, the structure includes a busbar, a shell, and a clip. The busbar and the shell mounted in the rack. The shell defines some connecting positions, each connecting positions defines some hole-points, the shell can define a hole at each hole-point, and the quantity and the locations of the holes in each connecting position is different. The clip is connected on the server, the clip includes some springs, when the server is positioned on one of the connecting positions, the spring conductively contacts the shell through the corresponded hole-point without the hole or does not contact the shell through the corresponded hole-point with the hole, the springs are configured for identifying the combination of the connecting position where the server locates to identify the position of the server. A server system using the structure is also disclosed.

Abstract: Provided are a clearing and expansion method and an imaging method for biological tissue. The clearing and expansion method for biological tissue comprises: (1) degreasing a fixed biological tissue sample; (2) soaking the degreased biological tissue sample in a solution of gel monomer molecules, such that the monomer molecules permeate into the degreased biological tissue sample; (3) inducing a polymerization reaction of the monomer molecules permeating into the biological tissue sample so as to form a polymer gel; and (4) placing the biological tissue sample which has been subjected to a gelation treatment into water for expansion. The clearing and expansion method for biological tissue avoids the sample treatment steps of heating and enzymatic digestion that cause fluorescent quenching and the destruction of biological tissue, and thus has the advantages of high retention of endogenous fluorescent proteins, high mechanical strength of expanded biological tissue, a short sample treatment time, etc.

Abstract: A light-emitting substrate includes a circuit board, a plurality of light-emitting devices, a reflective layer and a support layer. The plurality of light-emitting devices are disposed on the circuit board. The reflective layer is disposed on the circuit board; the reflective layer is provided with a plurality of openings therein, and a light-emitting device is located in an opening. The support layer is disposed on a side of the circuit board away from the reflective layer.

Abstract: The present application provides an array substrate and a display device. The array substrate includes a base, a first insulating layer located on the base, a first conductive layer located on the first insulating layer, a second insulating layer located on the first conductive layer, and an electronic element located on the first conductive layer. The first insulating layer is provided with a plurality of first openings. The first conductive layer includes a plurality of pads, each of which is at least partially located in one of the first openings. The second insulating layer is provided with a plurality of second openings. An orthographic projection of each first opening on the base falls into that of one of the second openings on the base. The electronic element includes an electronic element body, and a plurality of pins located on a side of the electronic element body toward the base.

Abstract: Disclosed is a method for manufacturing a 5Ni steel plate with a low remanence and an excellent surface quality to be used in a ship. The process flow thereof comprises: converter smelting->LF refining->RH high vacuum degassing->treatment with Ca->continuous casting->a slow cooling treatment to the slab->cleaning the surface of the slab->heating->rolling->quenching twice->tempering. The constituents comprise a low content of carbon, a low content of silicon, and 5% Ni, with V and Nb being added thereto, which improves the hardenability, improves the toughness at a low temperature, and improves the starting temperature of non-recrystallization of austenite. The steel plate can be subjected to high-temperature rolling and high-temperature quenching so as to significantly improve the shape of the plate, thus being applicable to the production of thin products.

Abstract: A degreasing composition for clearing biological tissue, a use in the preparation of a degreasing reagent, a degreasing reagent, a clearing kit comprising the degreasing composition or the degreasing reagent, a biological tissue clearing treatment method using the degreasing reagent, and an imaging method for clearing biological tissue comprising the steps of the biological tissue clearing treatment method. The degreasing composition comprises urea, N-butyldiethanolamine and Triton X-100, wherein the mass ratio of urea, N-butyldiethanolamine and Triton X-100 is (0.6-5):(0.3-3):1. The degreasing composition has a fast degreasing speed, good degreasing capabilities for large-volume biological samples, and may retain the structural features of biological tissues well from the cellular level to the subcellular level.

Abstract: A metro rail corrugation measurement method based the Seq2Seq model and vibration and noise data fusion comprises the following steps: Constructing a time series data set corresponding to floor longitudinal acceleration and train speed based on historical data of metro trains; Constructing the metro train mileage matching prediction model based on the Seq2Seq model, training the metro train mileage matching prediction model by time series data sets, and inputting the inside floor longitudinal acceleration of the metro train to be detected into the trained metro train mileage matching prediction model to obtain the running speed of the metro train to be detected. According to the vibration and noise data of the metro train to be detected, the vibration and noise composite index of the rail corrugation is calculated to determine the wavelength and amplitude information corresponding to the rail corrugation.

Abstract: A new and improved powered rocking lounger chair wherein the chair comprises a base assembly, a rocking assembly, a seat assembly, a backrest reclining assembly, a footrest assembly, a linkage assembly, at least one linear actuator for moving the seat assembly, the backrest reclining assembly, and the footrest assembly between a seating mode, a TV mode, and a reclining mode, and at least one limit stop interposed between the seat assembly and the base assembly such that when the chair is disposed in the seating mode, the chair is capable of undergoing rocking movements, whereas when the chair is disposed in one of the TV and reclining modes, the at least one limit stop will prevent the chair from undergoing rocking movements.

Abstract: A light-emitting substrate and a manufacturing method therefor, a backlight module and a display apparatus are provided. The light-emitting substrate includes a light-emitting assembly and a reflective layer. The light-emitting assembly includes a substrate and a plurality of light-emitting devices arranged on the substrate in an array. The reflective layer is located on a light exit side of the light-emitting assembly. The reflective layer is provided with a plurality of holes arranged in an array, and the plurality of light-emitting devices are located in the plurality of holes respectively. A distance between a center of a light-emitting device of the plurality of light-emitting devices and a center of a hole where the light-emitting device is located in a preset direction is in a range of 0 mm to 0.1 mm, inclusive; and the preset direction is parallel to a side edge of the substrate.

Abstract: A light-emitting substrate includes: a substrate having a first surface; a plurality of light-emitting devices located on the first surface; a reflective layer located on the first surface, the reflective layer having a plurality of first openings, a light-emitting device being located in a first opening; a plurality of dam structures located on the reflective layer, each dam structure having a second opening, an orthogonal projection of a first opening on the substrate being located within an orthogonal projection of the second opening on the substrate; and a plurality of first encapsulation structures located on a side of the plurality of light-emitting devices away from the substrate, a first encapsulation structure covering at least one light-emitting device, the orthogonal projection of the second opening on the substrate being located within an orthographic projection of the first encapsulation structure on the substrate.

Abstract: A radiator for terahertz electromagnetic radiation. The radiator includes one or more radiator units. Each radiator unit includes an oscillator operable to generate second harmonic power, and a patch antenna operably coupled with the oscillator for radiating terahertz electromagnetic radiation based on the generated second harmonic power.