Abstract: An antenna, a display substrate and a display device are provided in the present disclosure, wherein the antenna includes a first conductive layer (11), a dielectric layer (12) and a second conductive layer (13) which are stacked; the first conductive layer (11) is provided with at least one slot (111); the second conductive layer (13) includes at least one conductive structure (130), the conductive structure (130) is a comb structure, the conductive structure (130) includes a first conductive element (131) and a plurality of second conductive elements (132), the first conductive element (131) constitutes a comb back of the comb structure, and the plurality of second conductive elements (132) constitute comb teeth of the comb structure; at least one conductive structure (130) is disposed corresponding to at least one slot (111).

Abstract: The present application relates to the field of cooking equipment technologies, and specifically to a cooking appliance, including a box body, a door body, and a control panel case. The box body includes a housing, a cooking cavity located in the housing, and an electric chamber located on one side of the cooking cavity. The housing includes a top plate. An exhaust port is provided in the top plate. A first fan is disposed in the electric chamber. The door body and the control panel case are disposed on a front side of the cooking cavity. A cooling air inlet is provided in the door body and/or in the control panel case. The cooling air inlet, the electric chamber, the cooking cavity and the exhaust port are in fluid communication. The cooling air inlet is provided in the door body and/or the control panel case, and the exhaust port is provided in the top plate of the housing.

Abstract: A method and system for processing image, a computer device and a readable storage medium. The method includes: images in an initial dataset are preprocessed to obtain a training dataset (S1); an image segmentation neural network is trained by the training dataset (S2); a last loss function layer of a trained image segmentation neural network is removed to obtain an inference network (S3); the training dataset is inputted into the inference network to obtain a plurality of logical vectors (S4); a check network is trained on a basis of the plurality of the logical vectors, the initial dataset, and a mask of each of the images in the initial dataset (S5); and inference is performed on an image to be processed by the inference network and a trained check network so as to obtain the mask of the image to be processed (S6).

Abstract: Disclosed are an antenna unit and an electronic device, wherein the antenna unit includes a dielectric substrate, an antenna layer and a ground layer located on both sides of the dielectric substrate; wherein the antenna layer includes a microstrip feed line, a radiation patch and a microstrip coupling line structure located on a side of the microstrip feed line in a first direction, the microstrip coupling line structure comprises a first branch structure, a microstrip coupling line and a second branch structure that are sequentially connected along the first direction, the first branch structure is arranged at intervals with the microstrip feed line, and the ground layer includes a floor groove, wherein there is a first overlapping area between an orthographic projection of the floor groove on the dielectric substrate and an orthographic projection of the microstrip feed line on the dielectric substrate.

Abstract: A tunneling system includes a bolter miner, a bolter-integrated transportation machine, a transfer machine, a self-moving tail and a belt conveyor. The bolter miner includes a rack, a cutting device, and a bolt support device. The bolt support device includes a lifting assembly, a work platform, a first drilling frame assembly and a stabilizing assembly. The lifting assembly is arranged between the rack and the work platform. The first drilling frame assembly and the stabilizing assembly are arranged on the work platform. The bolter-integrated transportation machine is arranged behind the bolter miner and configured to transfer coal rock cut and conveyed by the bolter miner. One end of the transfer machine is connected with the bolter-integrated transportation machine, and the other end of the transfer machine is lapped with the self-moving tail. The belt conveyor is arranged behind the self-moving tail.

Abstract: The invention relates to the technical field of agricultural planting, in particular to a special controlled-release microbial fertilizer for peanuts in a continuous cropping field and a preparation method thereof. The fabric comprises an outer layer, a middle layer and an inner layer. Through a three-layer structure, the controlled-release fertilizer prepared by the disclosure can realize the fertilizer efficiency period of 50-60 days, and achieves the purpose of twice releases.

Abstract: A treatment fluid and method for water shut-off applications containing an amine-functionalized solid support, an epoxy resin, a second curing agent, and a carrier fluid. Prior to use of the treatment fluid, the amine-functionalized solid support has reacted with carbon dioxide to produce a carbamate-functionalized solid support. The treatment fluid is introduced into a geological formation with high-permeability pathways, curing the epoxy resin, and sealing these pathways.

Abstract: Described are a method for suppressing overshoot of an output voltage or output current, a charging device, and a medium. The method for suppressing the overshoot of the output voltage or output current includes the following. A loop in an open-loop state in a closed-loop control circuit is determined. A wave-sending control value output by the closed-loop control circuit at a present beat is obtained. The wave-sending control value output at the present beat is assigned to an open-loop output value at the present beat, where the open-loop output value is an output value of the loop in the open-loop state. An open-loop output value of a loop in the open-loop state at a next beat is calculated by using an assigned open-loop output value at the present beat.

Abstract: An antenna structure includes a dielectric substrate, a ground layer and a radiation layer located at two opposite sides of the dielectric substrate. The ground layer has two first gaps which are symmetrical about a central axis of the antenna structure in a first direction to introduce a radiation zero. The radiation layer has two second gaps which are symmetrical about the central axis, edges of the two second gaps are aligned with edges of the radiation layer in a second direction to introduce another radiation zero. The second direction is perpendicular to the first direction.

Abstract: A semiconductor article which includes a semiconductor substrate, a back end of the line (BEOL) wiring portion on the semiconductor substrate, a through silicon via and a guard ring. The semiconductor substrate is made of a semiconductor material. The BEOL wiring portion includes a plurality of wiring layers having electrically conductive wiring and electrical insulating material. The through silicon via provides a conductive path through the BEOL wiring portion and the semiconductor substrate. The guard ring surrounds the through silicon via in the BEOL wiring portion and in some embodiments in the semiconductor substrate.

Abstract: Systems, methods, and membranes involving ion exchange membranes are disclosed. In an embodiment of the present invention, an ultrathin laminar layer made of inorganic nanosheets may be coated on one side or both sides of a polymeric anion exchange membrane (AEM), forming a composite AEM. Oxidation stability measurements may indicate that composite AEM provide superior oxidation resistance to exemplary polymeric AEMs and to commercial polymeric AEMs.

Abstract: A cobalt-free positive electrode material, a preparation method therefor, and an application thereof. The preparation method comprises: mixing a lithium source, a cobalt-free precursor NixMny(OH)2, a nickel source, and a manganese source, performing primary sintering and secondary coating and sintering, and obtaining a cobalt-free positive electrode material, wherein the nickel source comprises nickel oxide, the manganese source comprises at least one among manganese dioxide, manganese(II,III) oxide, and manganese(II) oxide, and the molar ratio of the nickel source to the manganese source is x/y.

Abstract: A modeling method for a tubular structure includes: acquiring a structural wire-frame; generating, at each non-manifold node of non-manifold nodes of the structural wire-frame, a polyhedral structure formed by faces of a polyhedron; generating, at each manifold node of manifold nodes of the structural wire-frame, a connecting face; generating, at each end node of end nodes of the structural wire-frame, an end face; connecting vertices of the connecting wire-frame, vertices of the connecting face, and vertices of the end face; and carrying out curved-surface subdivision.

Abstract: Provided in the present disclosure are a fluorine-doped lithium positive electrode material, a preparation method therefore and the use thereof. The preparation method includes: step S1, mixing and reacting NH4F, LixNiyMnzO2 and water to obtain an intermediate product system, which includes fluorine-modified LixNiyMnzO2; and step S2, carrying out first calcination on the fluorine-modified LixNiyMnzO2 in a first oxygen-containing gas, so as to obtain a fluorine-doped lithium positive electrode material, wherein x=1 to 1.3, y=0.1 to 0.9, z=0.1 to 0.9, and x:(y+z)=1.4 to 1.6. Doping with fluorine in a positive electrode material results in the oxygen in the material being protected by fluorine, such that the primary efficiency of a lithium-ion battery is effectively improved.

Abstract: An optical sensing arrangement for a camera or a camera module for at least one of an automotive application and an electronic device, includes: an optical lens or a lens system; a sensor; and an infrared cut-off filter arrangement, which has a total thickness of less than 0.8 mm and which includes: at least one infrared cut-off filter element, which includes a first major surface and which includes or consists of a glass which includes copper oxide; and a first cover element, which is arranged in front of the first major surface of the at least one infrared cut-off filter element and which includes an ultra-thin glass.

Abstract: The present disclosure provides a method for manufacturing a conductive mesh, a thin film sensor and a method for manufacturing the thin film sensor. The method for manufacturing the conductive mesh includes: providing a dielectric substrate; forming a first pattern layer having a first trench portion in a mesh shape on the dielectric substrate; forming a first dielectric layer formed with a second trench portion in a mesh shape on a side of the first pattern layer away from the dielectric substrate, one of the first dielectric layer and the first pattern layer is made of an organic material, and the other of the first dielectric layer and the first pattern layer is made of an inorganic material; forming a conductive material in the second trench portion on a side of the first dielectric layer away from the dielectric substrate so as to form a conductive mesh.

Abstract: The phase shifter includes a substrate; a first wire and second wires arranged on a side of the substrate, wherein two opposite sides of the first wire are respectively provided with the second wires, and the first wire and the second wires are arranged in parallel and insulated from each other; a hydrophobic conductive part, which is arranged crosswise with the first wire and is insulated from the first wire, and at least one end of the hydrophobic conductive part is overlapped with the second wire at one side of the first wire, and is insulated from the second wire; and a hydrophilic part, wherein a minimum distance between an orthographic projection of the hydrophilic part on the substrate and an orthographic projection of the hydrophobic conductive part that does not overlap with the second wires, in a first direction, is less than or equal to a preset value.

Abstract: A tunnel tunneling system includes a bolter miner, a bolter-integrated transportation machine, a transfer machine, a self-moving tail and a belt conveyor. The bolter miner includes a rack, a cutting device, a drilling device and a control device. The cutting device is arranged on the rack and is swingable in an up-down direction, and has a lowest swing angle and a highest swing angle. The drilling device is arranged on the rack, and includes a drilling rig and a sensor. The drilling rig is configured to drill a tunnel floor and/or a tunnel roof, and the sensor is configured to monitor a set parameter of the drilling rig and generate a monitoring data signal when the drilling rig is drilling. The control device is configured to receive and analyze the monitoring data signal.

Abstract: A phase shifter, a preparation method thereof, and a phased array antenna. The phase shifter includes a substrate (5); two ground lines (1) located on the substrate (5); a signal line (2) located on the substrate (5) and between two ground lines (1), wherein there is a spacing between the signal line (2) and the ground line (1); a dielectric layer (3) located at a side of the signal line (2) and the ground lines (1) away from the substrate (5); at least one bridge (8) located at a side of the dielectric layer (3) away from the substrate (5), projections of the ground lines (1) and the signal line (2) on the substrate (5) are overlapped with a projection of the bridge (8) on the substrate (5), and there is a spacing between the bridge (8) and the dielectric layer (3).

Abstract: Provided is a beam-column joint of a prefabricated self-centering RC (Reinforced Concrete) frame based on an SMA (Shape Memory Alloy) material, including an RC precast column, an RC precast beam, and self-centering energy dissipation dampers arranged, and a friction energy dissipation damper. The self-centering energy dissipation damper includes an SMA kernel, an upper restraint cover plate, a lower restraint cover plate, a column-end connection reinforcing plate and a beam-end connection reinforcing plate, and a set energy dissipation gap is reserved between the SMA kernel and the upper restraint cover plate. The friction energy dissipation damper includes an in-column embedded connecting plate and a beam-end embedded connecting plate.