17results about How to "Fast aggregation" patented technology

The invention discloses selenium-containing unsaturated polyesteramide and a preparation method thereof, and the preparation method comprises the following steps: mixing and dissolving a diamine compound, propiolic acid ester and selenolactone in an organic solvent, and carrying out chemical reaction to obtain the selenium-containing unsaturated polyesteramide. A diamine compound, propiolic acid ester and selenolactone are used as raw materials, selenium-containing unsaturated polyesteramide is generated through click polymerization reaction of selenol and alkyne, the novel preparation method of selenium-containing unsaturated polyesteramide is developed, and the prepared polyesteramide is narrow in molecular weight distribution, controllable in structure and adjustable in degradation rate, and can be used for preparing selenium-containing unsaturated polyesteramide. Long-term stability is good, multiple responsiveness is achieved, and optical performance is good; the raw materials are wide in source, tedious substrate synthesis is avoided, the steps are simple, the reaction conditions are mild, the polymerization speed is high, and efficient large-scale production can be achieved; no catalyst is needed, no by-product is generated, and extra purification is not needed.

The invention relates to the technical field of coating preparation, and provides a polyurethane conformal coating preparation method which comprises the following steps: S1, inputting requirements of a conformal coating product and used environmental conditions into a weighing module by an operator, and triggering the weighing module to automatically adjust the ratio of raw materials; s2, sequentially adding the weighed polyurethane resin, curing agent, diluent and assistant into a mixing module, mixing to form a mixed raw material, and collecting state data in the mixing process; s3, obtaining the state data through an evaluation module, and carrying out the evaluation to form an evaluation result; s4, if the mixing qualified threshold value is met, heating the mixed raw material through a heating module; s5, transferring the heated mixed raw material into a reaction kettle to form a reaction raw material; s6, rapidly cooling the reaction raw materials to room temperature, and removing impurities to obtain a conformal coating mother solution; and S7, adding the pretreated nano filler into the mother liquor of the conformal coating, and adding a multi-interface reinforcing agent to form a conformal coating product.

The invention provides a general semiconductor test data full life cycle management system, and the system comprises a test source data access module which is used for uploading a source test file in a test machine to the system; the full test data analysis and standard model conversion module is used for converting the uploaded source test file into a test file in a standard data format and transmitting the test file to the multi-dimensional KPI atomic model operation and persistent storage module; the multi-dimensional KPI atomic model operation and persistence storage module is used for calculating a multi-dimensional KPI atomic result according to the data in the test file in the standard data format and storing the multi-dimensional KPI atomic result to a persistence layer database; and the unified service output module is used for receiving a user query request, performing aggregation calculation on the multi-dimensional KPI atomic result in the persistent layer database according to the user query request, and returning a KPI result meeting the user query request. The system can improve the utilization efficiency of semiconductor test data and reduce the operation cost.

The present invention provides a compound, a liquid crystal composition and a liquid crystal display element. The problem to be solved by the present invention is to provide a liquid crystal display element capable of achieving high-speed responsiveness and high voltage holding ratio (VHR), and to provide a liquid crystal composition containing a polymerizable compound capable of simultaneously achieving fast polymerization speed, appropriate tilt formation, high tilt stability, and high voltage holding ratio (VHR), and a PSA-type or PSVA-type liquid crystal display element in which screen burn-in (IS) is fully suppressed or does not occur, and a compound suitable for modulating the above-mentioned liquid crystal composition containing a polymerizable compound. The method for solving the problem is that the present invention provides a compound having a structure represented by formula (K‑1) in the molecule, and provides a liquid crystal composition containing the compound and an element using the liquid crystal composition. [Chemistry 1]

The present application relates to the technical field of artificial intelligence and federated machine learning, and particularly relates to an asynchronous federated learning aggregation method and system based on clustering cache. The present application clusters clients by intermediate features of the clients. In global aggregation, intra-cluster aggregation is firstly performed, and then global aggregation is performed based on client clusters. The client clusters are dynamically updated. In intra-cluster aggregation, an active set and a slow set are introduced to realize an asynchronous participation mechanism of intra-cluster aggregation. Weighted aggregation of the active set and the slow set solves the problem of system heterogeneity. The present application solves the defect of insufficient timeliness of existing federated learning methods in a data heterogeneous scene, and guarantees the timeliness and model training accuracy of federated learning in the data heterogeneous scene.

The invention discloses an unmanned ship autonomous cluster formation obstacle avoidance navigation method. The method mainly comprises the following steps: initializing parameters, position, course and operation plan of each ship in an unmanned ship cluster; in the sailing process, the pilot boat and the following boat share sailing information to the cluster network; in the sailing process, sea area environment information is detected according to a sensing module of the unmanned ship, and whether an obstacle is encountered or not is judged; when an obstacle is encountered, the unmanned ship formation carries out control behavior conversion, and corresponding obstacle avoidance measures are taken. According to the method, through obstacle avoidance path planning of a pilot boat, local collision avoidance of following boats based on a dynamic window, and ranking according to formation parameters during obstacle avoidance of the whole formation, when an unmanned boat cluster encounters an obstacle, respective optimal control behaviors can be flexibly adopted for collision avoidance on the basis of guaranteeing safety and accessibility, and the unmanned boat cluster is more accurate in obstacle avoidance. And moreover, rapid aggregation can be realized after obstacle avoidance, cluster navigation can be continuously kept, and the obstacle avoidance efficiency is effectively improved.

This invention discloses a soybean bidirectional promoter, a recombinant vector, its construction method, and its applications, belonging to the field of plant genetic engineering technology. The soybean bidirectional promoter of this invention can simultaneously drive gene expression in two directions. By tandemly connecting three genes at the front and back ends of this bidirectional promoter, it is possible to achieve simultaneous expression of six genes driven by a single promoter. Furthermore, by utilizing this bidirectional promoter in combination with the ZQ6 enhancement sequence and the 35S:MdMYB10 expression cassette, a method for simultaneously and significantly enhancing the expression levels of more than six genes was developed, and based on this, a method for enabling plants to emit noticeable self-luminescence under dark conditions was developed. The method for efficient and coordinated multi-gene transformation mediated by the soybean bidirectional promoter provided by this invention can be applied to constructing a soybean multi-gene coordinated transformation system, achieving rapid aggregation of superior traits, and cultivating new soybean germplasm with excellent traits.

The present invention relates to a liquid-crystalline (LC) medium comprising polymerisable compounds containing a thioalkyl group for optical, electro-optical and electronic purposes, in particular for use in LC displays, especially in PSA (polymer sustained alignment) or SA (self-alignment) type LC displays, to a PSA or SA mode LC display comprising the LC medium and to a process for the production of the LC display.

A method for producing a fluorine-containing polymer in which a monomer containing vinylidene fluoride is polymerized in a polymerization medium of a polymerization solvent (A) containing at least one type of compound selected from the group consisting of compounds represented by formula (1) and formula (2). The description in formulae (1)-(2) is omitted. # imgabs0 #

A text detection method comprises the following specific steps that S1, a text detection model is established, the text detection model comprises a backbone network, an FPN network and three output branches, and the three output branches are a complete segmentation mask branch, a reduced version segmentation mask branch and an offset detection branch; s2, obtaining an original label, decomposing the original label to generate label data of three branches, and inputting the label data into the text detection model for training and supervision; s3, inputting a character image, and after the character image passes through the trained text detection model, respectively outputting a complete semantic segmentation mask, a reduced semantic segmentation mask and an offset graph by three branches; calculating the'post-offset coordinates' of each pixel in the complete semantic segmentation mask by combining the complete semantic segmentation mask and the offset graph; then, the reduced version semantic segmentation mask is utilized to determine which reduced version instance area the'offset coordinate 'of each pixel in the complete semantic segmentation mask falls in, and each pixel of the complete semantic segmentation mask belongs to the corresponding text instance.

The invention belongs to the field of cassava molecular markers, and particularly relates to a cassava KASP marker and application of the cassava KASP marker in cassava variety distinguishing. The 27 KASP markers provided by the invention have good distinguishing ability in cassava genetic analysis, and can effectively reveal genetic differences among different materials. The DNA fingerprint spectrum of 184 parts of cassava materials is constructed based on 27 core KASP markers, and the purpose of rapid variety identification can be achieved. The KASP marker disclosed by the invention can be used for effectively identifying false selfing offspring. In conclusion, the KASP marker provided by the invention provides a new method and thought for genetic improvement and variety identification of cassava, provides a powerful tool for subsequent cassava breeding and genetic improvement research, and is beneficial to breeding of new varieties with excellent characters.

The invention discloses a protection method for a touch circuit, which comprises the following steps of: coating a layer of protection film on the surface of the touch circuit of a protection panel, and adding an electrical isolation layer between the protection film and the touch circuit, wherein the special insulating film is prepared in the modes of polymerization, film casting, drying and cutting, the preparation raw material is polyimide, the special insulating film is in a liquid state and is poured on the flat protective panel to form a solution with a certain concentration, the solution is uniformly spread by a roller of a film casting machine or a smooth workbench to form a thin film, and the thin film is placed on the protective panel. Along with volatilization of the solvent, the solution is gradually cured to form a film which passes through a uniform thin film, then drying treatment is carried out to remove the solvent, and finally the film is cut into the required size. According to the protection method for the touch circuit, the surface of the touch circuit is coated with the protection film and the electrical isolation layer, physical damage such as scraping and impacting can be effectively prevented, and therefore the durability of the touch circuit is improved.

A method for producing a fluorine-containing copolymer in which a monomer containing tetrafluoroethylene is polymerized in a polymerization medium containing at least one polymerization solvent (A) selected from the group consisting of compounds represented by formulae (1) to (3). The description in formulae (1)-(3) is omitted. # imgabs0 # CH3-Z2 (3)

This invention relates to the interdisciplinary field of financial technology and systems engineering, specifically to a controllable financial fusion system and method. A capital plasma generation module transforms dispersed, low-activity financial capital into highly liquid, highly responsive capital plasma; a magnetic field confinement and focusing system constrains and focuses capital flow paths; a critical point detection and ignition trigger module accurately determines whether capital aggregation has reached the fusion critical point and initiates the capital release procedure; a control rod adjustment and negative feedback system dynamically adjusts the intensity of capital release in real time; an energy conversion and output channel converts the capital energy released by fusion into actual economic output; and a safety shell and emergency shutdown system immediately halts capital release in the event of system failure, effectively isolating risks and ensuring stable system operation. This invention achieves efficient capital aggregation and precise control by mapping a nuclear fusion physics model, reducing risk and improving accuracy, constructing a closed-loop financing risk control system, adapting to major projects, and supporting multi-system operation.

The present invention relates to the field of robot visual perception technology, specifically a three-dimensional scene reconstruction method based on cross-channel attention mechanism feature fusion, including: S1, collecting multiple binocular stereo vision images to be three-dimensionally reconstructed after distortion correction and stereo correction, and constructing a training set; S2, constructing a three-dimensional scene reconstruction network; S3, selecting a binocular stereo vision image to input into the three-dimensional scene reconstruction network, and obtaining the predicted disparity of each different stage; S4, constructing a loss function, calculating the loss between the predicted disparity and the real disparity of each different stage, and looping from S3 to S4 until the loss function converges; then updating the weight of the three-dimensional scene reconstruction network; S5, testing the trained three-dimensional scene reconstruction network, and obtaining the three-dimensional depth information of the binocular stereo vision three-dimensional reconstruction scene. The present invention greatly improves the efficiency of context feature fusion and improves the binocular stereo vision disparity estimation performance.

The utility model relates to extrusion granulation technical field especially relates to a kind of nanometer material compression granulation equipment, including base, the upper surface of base is fixedly installed with stand, the top of stand is fixedly installed with compression box, and the top of compression box is fixedly installed with material hopper, rotation is installed in the compression box with shaft, and the outer wall of shaft is fixedly installed with the stirring rod of equidistance annular distribution, first auger rod is also rotationally installed in the compression box, and first auger rod is located below the shaft, the outer wall of one side of compression box is fixedly installed with auger cylinder, and the end of first auger rod is located in auger cylinder. The utility model has obvious advantages, spraying and stirring synergistic accelerate material polymerization;First auger rod realizes preliminary extrusion plastic forming, densification;Second auger rod completes secondary extrusion with extrusion cylinder, accurately controls granule quality;Granulation mechanism can flexibly adjust granule size shape, high efficiency and stability, satisfy multi-field demand.

The utility model relates to the technical field of protein detection, and discloses a Fe3O4 (at) AuNPs magnetic molecular imprinting sensor detection system which comprises an electrochemical workstation, a magnetic electrochemical molecular imprinting sensor, a carrier, a container, a metal disc and an alternating electric field generation module, the magnetic electrochemical molecular imprinting sensor comprises a working electrode, a counter electrode and a reference electrode, the working electrode, the counter electrode and the reference electrode are all connected with the electrochemical workstation, the working electrode is partially inserted into the container, the metal disc is arranged at the bottom of the container, and the positive electrode of the alternating electric field generating module is connected with the working electrode. The negative electrode of the alternating electric field generation module is connected with the metal disc, the carrier is arranged at the bottom of the working electrode, the carrier is a Fe3O4 (at) AuNPs carrier, and the Fe3O4 (at) AuNPs carrier is obtained by combining a molecularly imprinted polymer of protein with Fe3O4 and then combining with AuNPs. According to the utility model, the detection speed, the detection range and the detection effect of protein are improved.