Abstract: The present disclosure provides a projector. The projector includes a light source, a display panel, a first lens and a projection lens. The projector is configured such that the light emitted by the light source can sequentially pass through the display panel, the first lens, the projection lens and then exit. The projector includes a system optical axis, and the optical axis of the display panel coincides with the system optical axis; the optical axis of the projection lens is arranged parallel to the system optical axis with a distance therefrom.

Abstract: Provided is a recombinant fusion protein comprising (a) an anti-CD40 antibody or an antigen binding portion thereof comprising a heavy chain variable region and a light chain variable region, and (b) a CD47 binding domain. Provided is a nucleic acid molecule encoding the recombinant fusion protein, a vector comprising said nucleic acid and a host cell transformed or transfected with said vector or with such a nucleic acid. Furthermore, provided is a process for the production of said recombinant fusion protein, a medical use of said recombinant fusion protein and a kit comprising said recombinant fusion protein.

Abstract: The present disclosure provides a projection device, including: a housing, a light source component, and a projection lens; an accommodating space is formed inside the projection device; the projection device further includes a second mirror, a second fan and a lens component in the accommodating space; the second mirror is arranged on a light outgoing side of the light source component and is configured to reflect light emitted from the light source component into the lens component, and the lens component is configured to collimate light; the accommodating space includes an air flowing space including a first subspace and a second subspace; the first subspace is defined by the light source component, the second mirror, the lens component and a part of the housing, and the second subspace is around the first subspace; the second fan is configured to promote internal air within the air flowing space to circulate.

Abstract: A communication method for an off-road vehicle group is applied to a first portable communication device. The first portable communication device includes a short-range communication module and a long-range communication module, both sending and receiving unlicensed transmissions, as well as a positioning module such as a GPS chip.

Abstract: A graphitization furnace includes a furnace body, an upper lining, an insulating lining, a lower lining, a positive electrode and a negative electrode. The upper lining, the insulating lining and the lower lining are all disposed as attached to an inner wall of the furnace body, and the upper lining, the insulating lining and the lower lining sequentially abut against one another along a direction from top to bottom, and the upper lining, the insulating lining and the lower lining are all substantially provided with first through holes with a common axis. The positive electrode is substantially disposed vertically, a lower end of the positive electrode is disposed within the upper lining, the negative electrode is substantially disposed horizontally, and a middle part of the negative electrode is provided with a second through hole for passing raw ingredients.

Abstract: The application discloses a display module and a projector. The display module includes a light source, a first lens, a second lens, and a display panel, wherein the light source includes a light-emitting area, the display panel includes a display area, the light source emits a first light beam through the light-emitting area, the first lens refracts the first light beam into a second light beam, the second lens refracts the second light beam into a third light beam. The plane where the light-incident surface of the display panel is located includes a first irradiation area, and the first irradiation area includes a first effective irradiation area that is continuously distributed, the first effective irradiation area includes a strongest illumination position therein. The illumination intensity on the outer contour of the first effective irradiation area is I % of the strongest illumination position, I?45.

Abstract: A projection apparatus including: a light source component; a light polarization component for converting light from the light source component into first polarized light in a first polarization direction; a display panel on a side, away from the light source component, of the light polarization component for adjusting the polarization direction of the first polarized light to emit second polarized light in a polarization direction between the first polarization direction and a second polarization direction, the first polarization direction is perpendicular to the second polarization direction; a light reflective component on a side, away from the light polarization component, of the display panel for reflecting one of the polarized light in the first polarization direction and the polarized light in the second polarization direction; a projection lens, a light incident surface of which faces the light reflective component so as to receive light reflected by the light reflective component.

Abstract: Provided are an anti-CD40 antibody and a use thereof, such as a mouse, human, chimeric, or humanized antibody specifically binding to CD40, and an antigen-binding fragment thereof, and further provided are a nucleic acid molecule encoding the antibody or the antigen-binding fragment thereof, and an expression vector and a host cell for expressing the antibody or the antigen-binding fragment thereof. Further provided are a preparation method and a use method for the antibody or the antigen-binding fragment thereof, comprising treating and preventing immune diseases.

Abstract: A polyimide random copolymer has a structure represented by formula (I). A method for preparing the polyimide random copolymer, a membrane made of the polyimide random copolymer, and a method for preparing a polyimide-based hollow fiber membrane are also provided. A system for purifying helium gas and a method for purifying helium gas are related to the membrane made of the polyimide random copolymer.

Abstract: There is provided a projection apparatus, including: a light emitting component configured to generate light; a liquid crystal display panel on a light outgoing side of the light emitting component and including a liquid crystal layer between a first substrate and a second substrate, the liquid crystal layer including cholesteric liquid crystals configured to be in a conical helix texture under an electric field applied, so as to reflect light matched with a helix pitch of the conical helix texture; an optical component between the light emitting component and the liquid crystal display panel, and configured to adjust a propagation direction of light, an acute angle being formed between an optical axis of the optical component and a normal of the liquid crystal display panel; and a projection lens configured to receive and project the light reflected by the liquid crystal display panel. A display system is further provided.

Abstract: A method, a system, and a non-transitory computer-readable medium for controlling flammability of a fuel. The method includes applying a voltage across a nonvolatile ionic liquid to convert the nonvolatile ionic liquid into a flammable liquid; and removing the applied voltage across the nonvolatile ionic liquid to revert the flammable liquid back to the nonvolatile ionic liquid.

Abstract: The disclosure provides techniques for map optimization for a localization and mapping system. The map optimization method includes segmenting, based on a preset segmentation condition, a trajectory tracked by the localization and mapping system to obtain a plurality of segments of the trajectory, each segment being partitioned into a head part, an interior part and a tail part; performing a global optimization process based on frames in the head and tail parts of each segment to obtain optimized mapping results for the frames in the head and tail parts of the segment; estimating optimized mapping results for frames in the interior part of each segment based on the optimized mapping results for the frames in the head and tail parts of the segment; and updating a map built by the localization and mapping system according to the optimized mapping results for the frames in each segment.

Abstract: A backlight module and a display device are disclosed. The backlight module includes: a light guide plate, a first bottom surface of the light guide plate being provided with a plurality of dot structures, and the dot structure including a first inclined surface forming a first included angle with the first bottom surface; a backlight source located on a side of a light incident surface, light emitted by the backlight source being incident to the first inclined surface, and an included angle between the emitted light and a horizontal line being a second included angle; and a first prism layer located on the side of a light exiting surface of the light guide plate, the first prism layer having a plurality of first prisms provided in parallel with the light incident surface.

Abstract: The present disclosure provides a carbide refining method of a high-carbon high-alloy steel. The carbide refining method of a high-carbon high-alloy steel includes the following steps: formulating a raw material according to chemical element compositions of the high-carbon high-alloy steel, and smelting to obtain a high-carbon high-alloy molten steel; performing an overheat treatment on the high-carbon high-alloy molten steel to Tm+(50˜100)° C., to obtain a high-carbon high-alloy melt, and making the high-carbon high-alloy melt to be deposited in a preset water-cooled copper mold at a speed of 30˜160 g/s by an inert gas, to obtain a high-carbon high-alloy billet through solidification molding; and performing a heat treatment process on the high-carbon high-alloy billet.

Abstract: The disclosure provides techniques for registering a camera into a map via a robot. A method for registering a camera into a map may include: collecting an observation of a calibration marker from an image captured by the camera, the calibration maker being attached to a robot capable of moving in a view of the camera; calculating, for the observation of the calibration marker, a transform T (camera, marker) between a camera frame of the camera and a marker frame of the calibration marker; obtaining, for the observation of the calibration marker, a transform T (world, robot) between a world frame of the map and a robot frame of the robot; and performing, when more than a predetermined number of observations of the calibration marker are collected during movement of the robot, a calibration process to calculate a transform T(world, camera) between the world frame and the camera frame based on the transform T (camera, marker) and the transform T(world, robot) for each observation of the calibration marker.

Abstract: A metal-organic framework material separation membrane and a preparation method for the metal-organic framework material separation membrane are provided. The metal-organic framework material separation membrane has a base membrane and a metal-organic framework material functional layer. The metal-organic framework material functional layer comprises has an inter-embedded polyhedron structure. The preparation metal-organic framework material separation membrane includes the steps of: (1) preparing a solution containing a first organic solvent, an organic ligand, a metal compound, and an auxiliary agent; (2) subjecting a base membrane to a pretreatment, involving introducing, on the surface of the base membrane, metal atoms from the metal compound of step (1); and (3) mixing the pretreated base membrane of step (2) with the solution of step (1) to obtain a first mixture, and then heating the first mixture for reaction, so as to prepare a metal-organic framework material separation membrane.

Abstract: Provided is a method of manufacturing fiber with aligned porous structure, an apparatus, and applications of the fiber. The apparatus comprises: a fiber extrusion unit, a freezing unit, and a collection unit for collecting the frozen fibers, wherein fibers extruded from the fiber extrusion unit pass through the freezing unit. Continuous and large scale preparation of such fiber with aligned porous structure is achieved by combining directional freezing and solution spinning.

Abstract: A drilling device for surveying front rock-mass intactness of a tunnel face for a tunnel constructed by a TBM and a method using the same are provided. The drilling device includes a drilling assembly, a drill-attitude control assembly, a data monitoring assembly and a TBM-platform fixing seat. The drilling assembly is connected to a TBM hydraulic system to obtain power, to drill the rock mass by an alloy bit through rotation and translation thereof. The drill-attitude control assembly controls an angle, a direction and a position of a drill rod and maintains drilling accuracy and stability. The data monitoring assembly acquires and stores a drilling dynamic-response signal by a high-accuracy sensor and a data recorder, to analyze an intactness characteristic of the rock mass. The TBM-platform fixing seat mounts the drilling device on the TBM.

Abstract: The disclosure discloses an adaptive lining structure of a tunnel in complex environment and a construction method thereof, and relates to the technical field of tunnel construction, comprising a lining, a pressure regulating layer and a connecting cylinder; wherein the pressure regulating layer is provided between the lining and a surrounding rock; and the connecting cylinder is provided in the tunnel and runs through the top of the lining. The adaptive lining structure of a tunnel in complex environment and the construction method in the disclosure are simple in structure, reasonable in design and convenient for efficient construction; it can deal with engineering problems such as lining cracking caused by high internal water and high external water in the tunnel, and can ensure the safety of tunnel lining in different periods.

Abstract: The disclosure discloses an adaptive lining structure of a tunnel in complex environment and a construction method thereof, and relates to the technical field of tunnel construction, comprising a lining, a pressure regulating layer and a connecting cylinder; wherein the pressure regulating layer is provided between the lining and a surrounding rock; and the connecting cylinder is provided in the tunnel and runs through the top of the lining. The adaptive lining structure of a tunnel in complex environment and the construction method in the disclosure are simple in structure, reasonable in design and convenient for efficient construction; it can deal with engineering problems such as lining cracking caused by high internal water and high external water in the tunnel, and can ensure the safety of tunnel lining in different periods.