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10results about How to "Meet specific needs" patented technology

Spatial position instruction fine tuning method based on multi-modal large language model

The invention relates to a spatial position instruction fine tuning method based on a multi-modal large language model, and the method comprises the following steps: S1, converting a spatial position reasoning data set into a visual instruction format through employing a dialogue template, and obtaining a visual spatial position reasoning data set; s2, acquiring a large language model InternVL as a multi-modal large language model, performing pre-training on the general data set to obtain a pre-training model, reasoning the data set based on the visual spatial position, adjusting parameters of the pre-training model by adopting a low-rank adaptation method to obtain a trained large language model, and outputting a description corresponding to a spatial task by the large language model; and S3, introducing a text-based large language model, and optimizing the description corresponding to the space task based on the large language model. Compared with the prior art, the method has the advantages that the ability of the multi-modal large language model in understanding and generating context rich description is fully utilized, and the ability of the model in generating accurate and detailed description is enhanced.
Owner:SHANGHAI JIAOTONG UNIV

Workpiece end face defect detection method and system based on deep learning

The application relates to the field of workpiece defect detection, and discloses a workpiece end face defect detection method and system based on deep learning, which comprises the following steps: acquiring an end face image of a machined workpiece, performing image enhancement and region marking on the end face image to obtain an end face enhanced image and an end face marked region, querying abnormal points corresponding to the end face marked region, calculating an image offset of the workpiece end face image in a preset direction, querying an image difference frame corresponding to the workpiece end face image according to the image offset, extracting pixel values of the image difference frame, calculating an image difference value of the workpiece end face image, performing classification detection on the workpiece end face image by using a preset end face detection model to obtain a classification image, identifying a defect region in the classification image, extracting region features, and performing defect detection on the workpiece end face image to obtain a defect detection result of the machined workpiece. The application can improve the detection efficiency of workpiece end face defects.
Owner:SHAANXI QINCHUAN GRINDING MASCH CO LTD

High-strength steel hot-rolled steel battery lower shell

ActiveCN224384380USolve connection process problemsReduce manufacturing costsNutsBattery isolation
This utility model relates to a high-strength steel hot-rolled steel battery lower casing, comprising: a lower casing welded assembly and a bottom protective plate. The lower casing welded assembly is made of high-strength steel and includes: two first frames, a second frame, and a third frame. The two first frames are arranged parallel to each other, and the second and third frames are respectively located at both ends of the first frames and connected to the first frames by welding to form a cuboid shell structure. A plurality of rivet nuts are respectively riveted to the first, second, and third frames, and the rivet nuts are coated with sealant. The lower casing welded assembly is mechanically connected to the bottom protective plate and the module liquid cooling plate by bolts, which are set on the rivet nuts and mechanically connected to them. This utility model has a reasonable structural design, high strength, good mechanical properties, and a simple rolling section, making it particularly suitable for the trial production of multiple products. It solves the problem of high-strength steel connection process and saves high mold manufacturing costs.
Owner:NANJING LETWITT LIGHTWEIGHT TECH RES INST CO LTD

Tungsten infiltrated copper composite material and preparation method thereof

PendingCN121976104AAvoid "black heart" defectsBreaking through the "Performance Impossible Triangle" LimitationsTransportation and packagingMetal-working apparatusIndustrial engineeringRaw material
The invention belongs to the technical field of composite material preparation, and particularly relates to a tungsten infiltrated copper composite material and a preparation method thereof. According to the invention, through a multi-scale through pore network formed by'prefabricated material construction ', molten copper liquid can be rapidly filled along a large pore channel and fully permeates into the tail end of a small pore, so that the defect of'black core' generated by closed pores is thoroughly avoided. According to the prepared composite material, the tungsten phase and the copper phase respectively form a stable and communicated three-dimensional network, so that the unification of high conductivity (greater than or equal to 60% IACS), high strength and toughness (hardness greater than or equal to 100 HB) and excellent arc ablation resistance is fundamentally and synergistically realized, and the long-standing limitation of'impossible performance triangle 'is effectively broken through. And the process is high in integration level, green and remarkable in strengthening effect, and process simplification, environmental protection strengthening and performance improvement are achieved at one stroke. The advantages of raw materials and process cost are outstanding, the industrialization prospect is wide, and the relationship among high performance, designability and mass productivity is perfectly balanced.
Owner:SHANDONG UNIV OF SCI & TECH

Measuring device for measuring internal temperature of equipment

The utility model discloses a measuring device for measuring the internal temperature of equipment, and belongs to the technical field of industrial equipment detection. The defect that temperature field distribution in equipment cannot be reflected by fixed point measurement in the traditional measurement setting in the prior art is overcome. The main body structure of the device comprises a sleeve, N through holes are arranged in the sleeve, a transmission lead is arranged in each through hole, one end of each transmission lead is provided with a temperature measuring end, the other end of each transmission lead is provided with a wiring piece, the sleeve is also provided with a connecting piece used for being connected with a cabinet body, and N is a positive integer greater than or equal to 1. The temperature monitoring device is mainly used for monitoring the internal temperature of equipment such as a disinfection cabinet.
Owner:ZIBO HAITUO INSTR CO LTD

High-dispersion carbon nanotube alloy particles, preparation method and application thereof, and method for preparing aluminum-based composite material

The invention relates to the technical field of aluminum-based composite materials, and discloses high-dispersion carbon nanotube alloy particles, a preparation method and application thereof and a method for preparing an aluminum-based composite material. Comprising the following steps: burdening according to aluminum alloy components, and heating raw materials to a molten state to obtain mother alloy melt; and a gas atomization method is adopted, high-pressure inert atmosphere loaded with carbon nanotubes is used for impacting the mother alloy melt, the mother alloy melt is crushed into fine mother alloy molten drops, the surfaces of the carbon nanotubes are coated with the fine mother alloy molten drops, and the high-dispersion carbon nanotube alloy particles are obtained after cooling. According to the method, the carbon nanotube alloy particles are prepared in one step through the gas atomization method and used for preparing the aluminum-based composite material, structural damage and impurity introduction of the carbon nanotubes are effectively avoided, the dispersion and prefabrication efficiency of the carbon nanotubes is improved, and batch production is facilitated.
Owner:WUHAN NARI LIABILITY OF STATE GRID ELECTRIC POWER RES INST +3

A hand exercise device

ActiveCN224388016UEasy to holdlong starting distanceGymnastic exercisingHand partsHand exercises
The application discloses a hand exercise device, which comprises a ring body, a counterweight and a handle. The ring body is internally provided with a rolling channel arranged in a circle. The counterweight is rollingly installed in the rolling channel. The handle is installed on the ring body, is arranged along the radial direction of the ring body and is located on the outer side of the ring body, so that the hand exercise device is in the shape of a racket. The handle is arranged on the ring body, so that the hand exercise device is in the shape of a racket and is convenient for a user to hold. Meanwhile, the handle also increases the shaking distance of the counterweight and the hands of the user. When the hand exercise device is shaken with the wrist, the elbow or the shoulder as the origin, compared with the exercise device with only a ring or the exercise device with a handle arranged in the ring body, the counterweight of the hand exercise device provided by the application can have a longer starting distance, so that the starting of the counterweight is more convenient or the counterweight is started with less power. Therefore, the application range of the hand exercise device provided by the application is improved.
Owner:MONSOON (ZHEJIANG) IND DESIGN CO LTD

Breeding method and application of wheat capable of resisting gibberellic disease and resisting herbicide for starter propagation

PendingCN121909906AEfficient aggregationAccurate aggregationPlant genotype modificationTriticum turgidumGenetic stock
The invention belongs to the technical field of crop variety innovation, and particularly relates to a breeding method and application of wheat capable of resisting gibberellic disease and herbicide-tolerant starter propagation. According to the method disclosed by the invention, through combination of molecular marker-assisted selection and backcross breeding, excellent characters from different donors are rapidly introduced into a genetic background of an excellent koji-making variety, so that accurate and efficient polymerization of target characters is realized, and the screening efficiency and accuracy can be improved; meanwhile, the screening index of starter propagation quality runs through the breeding process, so that the bred material is not only excellent in resistance and agronomic character, but also can meet the specific requirements of the terminal industry. The variety bred by the method provided by the invention can reduce the use of pesticides for preventing and treating gibberellic disease and reduce the pollution risk of fungaltoxin; the herbicide-resistant characteristic facilitates field weed management, and the yield and quality stability are improved; the special quality guarantees the high additional value in the starter propagation industry, and creates the value of the whole industrial chain from the field to the workshop.
Owner:SUQIAN AGRI SCI RES INST JIANGSU ACAD OF AGRI SCI

A method for producing a (meth)acryloxy silane oligomer and a uv-cured product thereof

The application relates to the technical field of organic silicon materials and ultraviolet light curing, and discloses a preparation method of a (methyl) acryloxy silane oligomer and a UV cured product thereof. The method comprises the following steps: carrying out hydrolysis condensation reaction on KH-572 monomers, an alcohol solvent and a catalyst at 40-60 DEG C, and preparing KH-572 oligomers with a polymerization degree of 5-25 by controlling the hydrolysis conditions; and mixing the oligomers with methyl methacrylate and a photoinitiator according to a weight ratio of (60-70):(40-30):(1-3), and then carrying out ultraviolet light curing forming. The application solves the technical problem that the KH-572 monomers cannot be directly used for curing by controllable polymerization, and the obtained cured coating has the advantages of compact structure and controllable hydrophobicity. The preparation method is simple in process and easy for industrialized production.
Owner:ZHEJIANG KAIHUA SYNTHETIC MATERIAL +3

Oil and gas HSE professional question and answer method and system based on knowledge enhancement large language model

The invention belongs to the technical field of natural language processing, and particularly relates to an oil and gas HSE professional question and answer method and system based on a knowledge enhancement large language model. The method comprises the following steps: designing an oil and gas HSE policy file ontology model, and collecting oil and gas HSE file information; constructing an HSE file knowledge graph according to the oil and gas HSE file ontology model, constructing a file vectorization knowledge base according to the oil and gas HSE file information, and obtaining an HSE file candidate set based on a file candidate rule; on the basis of the HSE file knowledge graph, the file vectorization knowledge base and the HSE file candidate set, oil and gas HSE field knowledge supplementation is provided for the language model, and a knowledge enhancement large language model is obtained; and performing oil and gas HSE professional questions and answers according to the knowledge enhanced large language model. According to the method, the knowledge graph technology is fused, so that high accuracy of oil and gas HSE professional questions and answers is ensured. When questions are answered, reference knowledge of the large language model can trace information sources, so that inaccurate information generated by'illusion 'questions is avoided, and the risk of safety accidents or environmental pollution is effectively reduced.
Owner:CHINA NAT PETROLEUM CORP +1