Abstract: An inspection system, including: a carrying device; at least one ray source and a detector assembly. When the at least one ray source is located at one of scanning positions relative to the carrying device, the at least one ray source and the detector assembly are lifted or lowered along the rotation axis relative to the carrying device and the at least one ray source emits X-rays. After the at least one ray source and the detector assembly are lifted or lowered a predetermined distance relative to the carrying device, the at least one ray source rotates around the rotation axis relative to the carrying device to another one of scanning positions. The inspection system further reconstructs a three-dimensional scanning image of the object to be inspected based on detection data of the detector assembly.

Abstract: A marine-derived nanoselenium-producing strain and a method for preparing nanoselenium by using the strain are provided in the present disclosure, belonging to the field of nano biomaterials. According to the present disclosure, a Bacillus strain capable of preparing nanoselenium is screened from sediments taken from the Arctic Ocean, named Bacillus sp. Q72, which has been deposit in the China General Microbiological Culture Collection Center, and the deposit number is CGMCC No.26355. The extracellular fluid of this strain is used to directly reduce high concentrations of sodium selenite to obtain selenium nanoparticles.

Abstract: A differentiated real-time injection-production optimization adjustment method of an intelligent injection-production linkage device belongs to the field of oil reservoir injection-production technologies.

Abstract: An inspection system and method, the inspection system includes: a carrying device, at least one ray source, where each ray source includes a separate housing to define a vacuum space and a plurality of target spots enclosed within the housing; and a detector assembly. The at least one ray source and the detector assembly are lifted or lowered along a central axis of the carrying device relative to the carrying device. When viewed along the central axis, the ray source is translatable between scanning positions relative to the carrying device. When the ray source is at one of the scanning positions, the ray source and the detector assembly are lifted or lowered along the central axis, and the ray source emits X-rays; and when the ray source and the detector assembly are lifted or lowered a predetermined distance, the ray source translates to another one of the scanning positions.

Abstract: Disclosed in the present disclosure is a classification method based on skeleton lines for building shapes. The method includes: (1) expanding a template library of buildings by combining building shape classification in architecture and building shape features in real life on the basis of inheriting advantages of a traditional template matching method; (2) avoiding influence of small depressions and protrusions of the buildings on overall shapes by constructing a least-squares template; (3) extracting the skeleton lines of the buildings and calculating feature vectors of the buildings; and (4) calculating similarity between feature vectors of skeleton lines of the buildings and skeleton lines of templates by using cosine similarity, and selecting the template with the highest similarity as a classification result of the building shapes.

Abstract: The present disclosure relates to multi-layer composite articles including at least two nonwoven web layers. Each or the layers may be a spunbonded web, and each may include biodegradable materials. The multi-layered composites of the present disclosure are particularly well suited for air filtration, as they can combine a high dust holding capacity with sufficient strength, dimensional stability, and a relatively low pressure drop.

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: The present application provides a battery cover plate and a battery. The battery cover plate includes a cover plate body, a first seal, a second seal, and a sealing ring. The cover plate body is provided with a liquid injection hole, the first seal is attached to a hole wall of the liquid injection hole and is provided with a threaded hole extending along an axis direction of the liquid injection hole. The second seal includes a head and a connecting part, a diameter of the head is greater than a diameter of the connecting part, a first step surface is defined between the head and the connecting part, the connecting part is provided with an external thread threadedly connected to the threaded hole. The sealing ring is sleeved on the connecting part and located between the first step surface and an upper surface of the cover plate body.

Abstract: A riser tube coating for a cast aluminum alloy includes a coating-riser tube contact layer material and a coating-aluminum liquid contact layer material. The present invention has a coating protection effect to the maximum mainly by designing ratios of ZrO, Al2O3, ZnO, binders and other materials and a coat drying heat treatment process, and finally realizes effects of protecting a riser tube, being free of aluminum sticking and prolonging a service life.

Abstract: Provided is a sofa extension apparatus. The sofa extension apparatus includes a sofa frame, extension brackets, a first linkage rod, a second linkage rod and a linear drive assembly. Each extension bracket includes a sofa fixing member and a leg portion extension assembly, the sofa fixing member is connected to the sofa frame, the leg portion extension assembly is rotatably connected to a front end of the sofa fixing member. Two ends of the first linkage rod are fixedly connected to rear ends of two sofa fixing members respectively. Two ends of the second linkage rod are connected to two leg extension assemblies respectively. The linear drive assembly is configured to drive the first linkage rod and the second linkage rod to move relative to each other, so as to enable the two extension brackets to be extended or retracted.

Abstract: A lid plate and a battery are provided by the present application. The lid plate includes a top lid, a lower plastic and a current collecting disk. The top lid is stacked with the lower plastic. An accommodating space is defined on a side of the lower plastic away from the top lid. Supporting protrusions are provided in the accommodating space. The supporting protrusions are configured to defined a limiting space. The current collecting disk includes the current collecting disk main body and the fuse structure. The fuse structure includes a first part and a second part. The first part is electrically connected to the top lid through the lower plastic, the second part is connected to the current collecting disk main body. The current collecting disk main body is located outside the limiting space and abuts against the supporting protrusions.

Abstract: Systems and methods of large depth-of-field microscopic structured-light 3D imaging include and/or implement capturing a plurality of images of a scene using a plurality of focus settings, each of the plurality of images corresponding to one of the plurality of focus settings, the plurality of images corresponding to a focal stack; processing the plurality of images; merging the plurality of images into an all-in-focus phase map; and reconstructing a 3D shape of the scene based on the all-in-focus phase map.

Abstract: Systems, apparatuses, and methods are described for generating simulated synthetic voice samples for use in training voice recognition models. The simulated synthetic voice samples may be diversified and in large quantities, in order to train the voice recognition models to handle a large variety of possible voice types and commands. These voice samples may be generated based on simulated user profiles indicating different types of speaker characteristics and words. The generated synthetic voice samples mimic realist human inputs and voice traffic, and may be used to test these voice recognition models for their performance in various situations. Based on the testing, these models may be efficiently retrained to improve their performance in a wide variety of conditions.

Abstract: The present invention relates to a low-profile splice protection system for protecting multi-fibre fusion splice sites. The splice protection system comprises coating material to package the splice site and may comprise a protective housing.

Abstract: The disclosure provides a reversible watermarking method for the oblique photography three-dimensional models with controllable accuracy. According to the disclosure: firstly, by using the global stability of the average included angle of vertex normal vector, the feature points of the oblique photography three-dimensional model are extracted; secondly, the mapping relationship is established by the ratio of the distance between feature points and non-feature points, and the vertexes are grouped, and each group consists of a feature point corresponding to several non-feature points; finally, the spherical coordinate system is constructed by taking the feature points as the coordinate origin in grouping, and the watermark is embedded by modifying the radius of the coordinate system.

Abstract: A light emitting device and a light emitting diode structure are provided. The light emitting diode structure includes a light emitting diode, a protection diode, an insulating layer, two pads, and a conductive structure. The protection diode is connected in antiparallel to the light emitting diode. Each diode includes an epitaxial structure and electrodes located on the epitaxial structure. The insulating layer covers the epitaxial structure of each diode. A first pad is located on the insulating layer and electrically connected to a first electrode and a fourth electrode. A second pad is located on the insulating layer and electrically connected to a second electrode. The conductive structure is connected to the second pad and electrically connected to the N-type semiconductor layer of the protection diode. A material of the conductive structure and a material of the first electrode are different.

Abstract: A display panel is provided. The display panel includes light emitting elements and pixel driving circuits in a first region, and at least one of a second region or a third region at least partially spacing apart the first region and the second region. Configurations of light emitting elements in at least two of the first region, the second region, and the third region are different from each other. Configurations of pixel driving circuits in at least two of the first region, the second region, and the third region are different from each other.

Abstract: Aspects of the disclosure provide semiconductor devices. For example, a semiconductor device includes a substrate having a first region and a second region along a first direction that is parallel to a main surface of the substrate. Then, the semiconductor device includes a memory stack that includes a first stack of alternating gate layers and insulating layers and a second stack of alternating gate layers and insulating layers along a second direction that is perpendicular to the main surface of the substrate. Further, the semiconductor device includes a joint insulating layer in the second region and a third stack of alternating gate layers and insulating layers in the first region between the first stack of alternating gate layers and insulating layers and the second stack of alternating gate layers and insulating layers.

Abstract: Methods of forming a coating system on a surface of a cobalt-based superalloy component are provided. The method includes forming a nickel-based primer layer on the surface of the cobalt-based superalloy component; forming an intermediate nickel-containing layer on the nickel-based primer layer; and heat treating the cobalt-based superalloy component to form a diffusion coating on the surface of the cobalt-based superalloy component. The intermediate nickel-containing layer includes nickel, chromium, and aluminum. Coated cobalt-based superalloy components formed from such a method are also provided.