8results about How to "Avoid focus" patented technology

The present invention discloses a 2000MPa hydrogen embrittlement resistant hot-forming steel with a low carbon matrix based on a high carbon design, wherein the ratio α of the Nb content in the form of nano-precipitates after hot forming to the initial Nb addition amount satisfies: 86%≤α≤93%; and the content of solid-solution carbon in the martensite matrix after hot forming C 终 and the initial carbon content C 初 Satisfy: 0.85≤C 终 / C 初 ≤0.95. The hot-formed steel provided by the present invention has a ratio of the content of solid-solution carbon in the martensitic matrix after hot forming to the content of the initially added carbon element, a ratio of the content of Nb in the form of nano-precipitates to the amount of initially added Nb, a specific particle size ratio of the nano-precipitates NbC, and an average size of the original austenite grains that meet specific requirements, and synergistically make the yield strength of the hot-formed steel ≥1300MPa, the tensile strength ≥1900MPa, the elongation ≥6%, and the ultimate tip cold bending angle ≥50°. It does not crack when immersed in a 0.1 mol / L hydrochloric acid aqueous solution of 1.1 times the yield strength for 300 hours, and has excellent hydrogen embrittlement resistance.

The utility model provides a film-coated vehicle lamp, and belongs to the technical field of vehicle lamps. The film-coated car lamp comprises an outer mask, a mounting column, a lamp body, a film-coated layer and a mounting mechanism, the mounting column is fixed in the outer mask, the lamp body and the mounting column are fixed together through the mounting mechanism, when the film-coated car lamp is used, the end of a second locking piece extrudes the outer wall of the lamp body, so that a sliding block is fixed to the lamp body, and the film-coated layer is fixed to the lamp body. And finally, the connecting plate and the mounting column are fixed together through the first locking piece, the lamp body is mounted in the outer mask, the coating layer highly reflects middle and far infrared rays, sunlight focusing is avoided, the coating layer is arranged on the lens of the lamp body, the outer mask protects the coating layer and the lamp body, the coating layer is effectively prevented from being scratched, and the service life of the coating layer is prolonged. The heat insulation effect can be guaranteed, the lamp body can be installed in the outer face covers of different models, the applicability is higher, and better use experience is brought to a user.

The application discloses a music feature extraction method, device, equipment and medium, extracts a music label embedding vector from acquired music data, and constructs a KNN neighbor graph according to the music label embedding vector; inputs the music label embedding vector into a preset autoencoder for feature learning to obtain a first learning feature; inputs the KNN neighbor graph and the feature learned by the autoencoder into a preset graph convolutional neural network model for feature learning to obtain a second learning feature; wherein the graph convolutional neural network model is at least used for learning structural information and potential similarity between samples; and obtains a final music feature vector according to the first learning feature and the second learning feature. By using the application, the deep learning network can guarantee the extraction of the characteristics of the data itself, simultaneously learn the structural information and high-dimensional potential features between samples, strengthen the effectiveness of the feature vector, and improve the accuracy of music feature extraction.

The invention relates to a multi-stage boiling device for external Chinese medicine plaster, comprising: a boiling mechanism, the boiling mechanism comprising a pot body that automatically rotates along a circumferential direction; a storage mechanism, the material transporting mechanism is arranged in the boiling mechanism, and comprises a filter cartridge installed on the pot body, a discharging component arranged at the bottom of the filter cartridge, and a feeding component that is slidably arranged in the filter cartridge and is used to successively feed different types of materials into the filter cartridge; a feeding mechanism, the material transporting mechanism comprises a transmission component and a plurality of groups of receiving components that are arranged at equal intervals along the transmission direction of the transmission component and are used to intermittently and quantitatively receive and take out materials in the feeding component; the invention solves the technical problem that when all medicinal materials are put into the pot body and the medicinal materials are stirred with a stirring shaft, the medicinal materials are easy to hit the pot wall at high speed, and then the stirring shaft is easy to catch fire due to high temperature when scraping the medicinal materials on the wall, causing fire.

A medical image diagnostics assistance device (1) for assisting diagnosis of a medical image includes a classification model (1A) for classifying at least presence or absence of a disease from the medical image, a prediction unit (11) that carries out prediction using the classification model (1A), and a learning unit (12) that carries out supervised learning of the classification model (1A). In the supervised learning, a training medical image for which at least the presence or absence of the disease is previously known is used as supervised data. The classification model (1A) is constructed by a convolutional neural network (1A1) and an attention branch network (1A2) that visualizes an interest region of the convolutional neural network (1A1). In a stage where the supervised learning is carried out, the attention branch network (1A2) is provided with preliminary information indicating a classification region which is a region required for classifying the presence or absence of the disease on the training medical image.

This application discloses a transmission-type high-power laser emitting system, relating to the technical field of high-power laser systems. The system's laser incident end is connected to a high-power fiber laser for receiving the laser beam, and its laser emitting end is used to focus the laser beam to a target location. The system includes a laser emitting mirror group, an emitting mirror tube, a focusing motor, and a control circuit board. The laser emitting mirror group is disposed inside the emitting mirror tube and includes a laser emitting eyepiece group and a laser emitting objective lens group. The laser emitting eyepiece group is located at the incident end, and the laser emitting objective lens group is located at the laser emitting end. The focusing motor is used to move the laser emitting eyepiece group through a mechanical connector to achieve system focusing. The control circuit board is used to control the focusing motor to rotate and focus according to a focusing signal. The technical solution of this application has a simple system structure, relatively high temperature stability, and can achieve directional focusing of a high-power laser beam over a long distance.

The utility model discloses a platen superheater tube clamping device, which relates to the technical field of superheaters and comprises a superheater tube, a first tube clamp and a second tube clamp. The first pipe clamp and the second pipe clamp are each integrally provided with a plurality of semicircles in the length direction. A plurality of mounting holes are formed between the plurality of adjacent semicircles on the first pipe clamp and the second pipe clamp; the first pipe clamp and the second pipe clamp are reversely arranged; a plurality of clamping parts are formed between the plurality of semicircles on the first pipe clamp and the plurality of semicircles on the second pipe clamp, and the plurality of clamping parts are used for clamping the superheater pipe; the inner peripheral surface of the clamping part is in surface contact with the outer peripheral surface of the superheater tube. According to the platen superheater tube clamping device, the stress balance degree of the pipelines is improved, vibration and deformation of the superheater tube in the working process are reduced, the risks of local abrasion between the pipelines and possible leakage shutdown are avoided, the clamping strength is improved, the safety and stability of the superheater tube are kept, and therefore the operation efficiency of a superheater is improved.

The invention discloses a transmission-type high-power laser emission system, and relates to the technical field of high-power laser systems, a laser incident end of the system is connected with a high-power fiber laser and is used for accessing a laser beam, and a laser emergent end is used for converging the laser beam to a target position. The system comprises a laser emission lens group, an emission lens cone, a focusing motor and a control circuit board, the laser emission lens group is arranged in the emission lens cone and comprises a laser emission eyepiece group and a laser emission objective lens group, the laser emission eyepiece group is located at an incidence end, the laser emission objective lens group is located at a laser emission end, and the focusing motor is located in the laser emission lens cone. The focusing motor is used for moving the laser emission eyepiece group through the mechanical connecting piece to realize system focusing, and the control circuit board is used for controlling the focusing motor to rotate for focusing according to a focusing signal; according to the technical scheme, the system is simple in structure, the temperature stability is relatively high, and the long-distance light beam directivity convergence function of high-power laser can be achieved.