113results about How to "Quick filter" patented technology

The utility model belongs to the technical field of motor manufacturing, and particularly relates to magnetic ring and casing assembling equipment, which comprises a casing carrying mechanism, a feeding position, a gluing position and a transfer position are sequentially arranged along a carrying path of the casing carrying mechanism, and a casing output from the feeding position is carried to the gluing position for gluing; the machine shell gluing mechanism is close to the gluing position and comprises a gluing execution assembly used for gluing the machine shell and a visual detection assembly used for detecting the gluing result, and when the detection result of the visual detection assembly is qualified, the machine shell carrying mechanism carries the glued machine shell from the gluing position to the transfer position; the rotating mechanism is provided with a plurality of installation parts in the circumferential direction, and a magnetic ring pushing position, a machine shell transferring position and a press-fitting position are sequentially arranged on the rotating path of the rotating mechanism. And the magnetic ring pushing mechanism is arranged at the magnetic ring pushing position and is used for pushing the magnetic ring to the mounting part. According to the magnetic ring press-fitting machine, automatic press-fitting of the magnetic ring and the machine shell can be achieved, the gluing uniformity of the machine shell is ensured, and the press-fitting concentricity of the magnetic ring and the machine shell is ensured.

The invention relates to the technical field of molecular detection, in particular to a method, a system, a kit and a probe for detecting BRCA2 gene mutation. The detection method comprises the following steps: carrying out pretreatment and PCR amplification on a blood sample, carrying out a hybridization reaction with a probe to obtain a sample, detecting the sample based on an SERS technology, and collecting an SERS spectrum. Whether BRCA2 gene mutation exists or not is judged by identifying characteristic double peaks of a cy3 fluorophore at 1188 cm <-1 > and 1393 cm <-1 >, and the whole detection process can be completed within 2 hours. According to the scheme, the region, carrying the BRCA2 gene, on the DNA can be amplified through the specific primer pair, then the DNA is specifically combined through the improved oligonucleotide probe, and detection is achieved through the reporter molecule on the oligonucleotide probe; therefore, the detection method provided by the scheme has the advantages of high detection speed, high sensitivity and high detection result accuracy, and the problems of long time consumption and high cost of the traditional PCR or NGS technology are effectively solved.

The present application relates to the technical field of road maintenance, and particularly relates to an asphalt pavement base crack identification method and system, which comprises: acquiring an asphalt pavement base image and preprocessing the image to obtain a gray image, then performing edge detection on the gray image by using a Canny operator to obtain all edge connected domains, calculating the corresponding crack similarity based on the contour shape features of each edge connected domain, screening out suspected crack edges and non-crack edges according to the crack similarity, then extracting the HOG feature values of each edge point in the two types of edges and calculating the crack confidence value of the suspected crack edges, determining the suspected crack edges with the crack confidence value greater than a preset threshold as target crack edges, and finally completing crack positioning in the asphalt pavement base image according to the target crack edges to realize accurate identification of the asphalt pavement base cracks. The present application effectively eliminates the noise interference of material particle edges in the asphalt pavement image through the double technical mechanisms of coarse screening of crack similarity and fine screening of crack cluster degree.

This invention provides a maize plant architecture regulating gene ZmEXO1 and its application, belonging to the field of maize molecular breeding technology. The amino acid sequence of ZmEXO1 is shown in SEQ ID NO.7. Studies have found that ZmEXO1 can regulate maize leaf angle and plant height; mutants with reduced or silenced ZmEXO1 expression lead to smaller leaf angles and reduced plant height. Therefore, gene editing of the ZmEXO1 gene or genetic breeding improvement using Zmexo1 low-expression mutants can obtain maize germplasm with improved plant architecture, which is of great significance for enriching maize germplasm and breeding high-yielding, dense-planting-tolerant varieties. This invention also provides a Kasp molecular marker and Kasp primers closely linked to ZmEXO1, which can be used for marker-assisted selection breeding and the discovery of related functional genes, enabling rapid screening and identification of maize germplasm containing ZmEXO1-modified molecules.

The invention belongs to the technical field of tunable lasers, and particularly relates to a grating scribed line density testing method and system based on a tunable laser, and the system comprises the tunable laser, a mechanical arm, a testing module and a control module. The characteristic that the tunable output range of a tunable laser (carrier) is sensitive to the grating scribed line density is fully utilized, and the mapping relation between waveguide coupling output multi-wavelength and the grating diffraction angle (or the displacement stride of an actuator) is deeply analyzed; according to the method, automatic analysis of the to-be-measured grating scribed line density under different batches, different substrate materials and different manufacturing process conditions is realized, and on the basis, accurate and rapid screening of qualified gratings suitable for tunable laser assembly is realized.

The utility model relates to a valve core end face length screening detection tool, and belongs to the technical field of detection tools. The problems of low detection efficiency and low measurement precision when the length of the end surface of the valve core is measured by manually holding a length measuring tool in the prior art are solved. The valve element end face length screening gauge comprises a mounting plate, a first detection plate and a second detection plate, the first detection plate and the second detection plate are oppositely mounted on the mounting plate in parallel, and a valve element detection cavity is formed between the first detection plate and the second detection plate; and one of the first detection plate and the second detection plate is mounted at different positions of the mounting plate relative to the other detection plate to form detection stations with different detection lengths. The screening gauge does not need to measure the length, so that the workload of manual measurement is reduced, and the detection efficiency is high. According to the invention, whether the to-be-detected valve core is a qualified product is determined by using the standard valve core end face length, so that a length measuring tool does not need to be held by a hand for measurement during detection, and low detection precision caused by reading of measurement personnel is avoided.

This utility model provides a plastic fragment rinsing and separating water tank, which includes a separation rinsing tank containing a float tank and a settling tank. A feeding auger feeds the plastic fragments to be separated into the float tank of the separation rinsing tank. The separation rinsing tank is filled with water for rinsing the plastic fragments. A material separating baffle is provided between the float tank and the settling tank. A settling conveying auger is provided at the bottom of the separation rinsing tank, penetrating through the float tank and the settling tank. The upper part of the material separating baffle is higher than the liquid level of the separation rinsing tank, and the lower part of the material separating baffle has a notch that allows the settling conveying auger to pass through. The settling conveying auger can transport the settling material at the bottom of the liquid level from the float tank to the settling tank. It is mainly used for separating PET fragments and HDPE fragments.

The application provides a data reading circuit of an MRAM chip, comprising: a to-be-tested storage unit, a first gating transistor connected in series with the to-be-tested storage unit, a reference unit, a second gating transistor connected in series with the reference unit, and a readout amplifier, wherein the reference unit has three optional reference resistance branches, including a working mode branch, a first test mode branch and a second test mode branch, the working mode branch is used for reading data of the to-be-tested storage unit, the first test mode branch is used for screening out fixed failure units and high-resistance state out-of-range failure units with an open-circuit failure type, and the second test mode branch is used for screening out fixed failure units and low-resistance state out-of-range failure units with a short-circuit failure type.

The invention discloses a construction method and application of a chlamydomonas reinhardtii source high-sweetness induced protein variant engineering algal strain. The preparation method comprises the following steps: firstly, modifying and optimizing protein coding sequences of sweet taste induction proteins Miraculin and Neoculin, so as to obtain optimized gene sequences of CrMiraculin and CrNeoculin; the method comprises the following steps: firstly, preparing a Chlamydomonas reinhardtii strain, then cloning the Chlamydomonas reinhardtii strain into an expression vector pGM6, constructing a recombinant expression vector, introducing the recombinant expression vector into the Chlamydomonas reinhardtii wild strain, and screening by using a paromomycin resistance marker carried by the vector to obtain a transformed strain. The obtained engineering algal strain can stably inherit and efficiently express the target sweet induced protein, and the chlamydomonas reinhardtii algal powder rich in the CrMiraculin and CrNeoculin sweet induced protein is obtained by performing fermentation culture on the engineering algal strain. Finally, through protein purification and mixing with acidic substances, sour taste can be induced to be converted into sweet taste, so that the method has great application potential in the fields of foods, seasonings or health-care products.

The invention discloses a TBM double-track tunnel trackless transportation cross-line bypassing cushion layer rapid construction method, and belongs to the technical field of tunnel construction. According to the method, a construction area is divided into a plurality of construction sections in the longitudinal direction of a tunnel, construction and transport vehicle framing and side alternate operation is organized, and parallel cushion layer pouring and trackless transport are achieved; the method comprises the following steps of: performing radar detection and scabbling treatment on the top surface of an inverted arch block during construction preparation; installing a steel plate water stop belt, and penetrating through the ground beam and the drainage blind pipe; a detachable steel pipe is adopted for shaping and constructing a cushion drainage ditch; after a reinforcing mesh is laid, concrete pouring, multi-pass surface finishing, steam and heat preservation curing and temperature and humidity monitoring are conducted; by optimizing the construction organization and technology, the problems that transportation is interrupted, the construction period is long and cracking is prone to occurring in a traditional method are solved, efficient, high-quality and low-interference cushion layer construction is achieved, optimal construction parameters can be scientifically screened by setting a contrast test section, and adaptability is high.

The invention belongs to the technical field of metal material quality test and evaluation, and discloses a primary magnesium ingot internal inclusion level evaluation method and system.The method comprises the steps that firstly, the hydrogen evolution rate and the characteristic low-frequency impedance modulus value of a primary magnesium ingot to be tested are obtained; and then the level of the inclusions in the primary magnesium ingot to be tested is evaluated through the hydrogen evolution rate, the characteristic low-frequency impedance modulus value and the pre-constructed hydrogen evolution-impedance collaborative response criterion, and the method is easy and convenient to operate, short in test period, low in cost and high in accuracy. The method can be used for rapidly identifying the extremely inferior magnesium ingot with components meeting requirements and a large number of densely distributed inclusions inside without depending on microscopic analysis, is suitable for quality monitoring and supplied material acceptance in the production process, and has remarkable industrial practical value.

This utility model provides a raw material feeding hopper filtration device, relating to the field of plastic processing technology. It includes a feeding hopper body, with a filtration and discharge mechanism located below the feeding hopper body. The filtration and discharge mechanism includes an arc-shaped filter housing, the upper end of which is fixedly connected to the lower end of the feeding hopper body. A drive rod is rotatably connected to the rear inner wall of the arc-shaped filter housing, and a filter plate is fixedly sleeved on the outside of the drive rod. Through the filtration and discharge mechanism, the arc-shaped filter housing, drive rod, and filter plate work together to separate large and small plastic particles. An arc-shaped baffle, servo electric cylinder, moving rack, and flat gear work together to automatically discharge large particles, eliminating the need for manual cleaning and reducing labor intensity. Furthermore, a reciprocating feeding mechanism, driven by a servo motor, drive disc, and lever, moves a moving block and feeding plate reciprocally, promoting rapid filtration of small particles, improving filtration efficiency, and solving the problems of low efficiency and high labor intensity associated with manual cleaning. This ensures the continuity and quality of plastic particle melting and processing.

The utility model discloses a medicine particle screening device, which relates to the technical field of medicine particle screening and comprises a bottom plate, floor stands are symmetrically and fixedly arranged at four corners of the upper end of the bottom plate, vibration mechanisms are arranged at the rear ends of the floor stands, a first filter frame is arranged at the upper end of the inner side of each floor stand, and a second filter frame is arranged under each first filter frame. When particles are screened through the first filter frame and the second filter frame, unqualified particles can be blocked and left in the filter frames, when the particles need to be collected, the baffle can be lifted upwards to open the discharging port, then the threaded plate can be driven by the rotating lead screw to move towards the front end, and then the particles can be collected. A threaded plate is arranged in a filter frame, the threaded plate can drive a material pushing plate in the filter frame to synchronously move under the cooperation of a guide plate, the material pushing plate can push unqualified particles in the filter frame forwards, the unqualified particles can be rapidly discharged into a first collecting frame through a discharging opening, and therefore collection of the unqualified particles can be completed, and three sets of medicine particles with different sizes can be rapidly screened out.

The invention discloses an intelligent detection system and method for coating color flaws and defects, and the method comprises the steps: selecting a standard sample, and creating a color code model based on a machine vision system; stacking and feeding, and conveying to a visual inspection station one by one; coating image information of all products in each tray is sequentially collected based on a machine vision detection system; feature parameters in the image information are extracted, and color flaws and defects of each to-be-detected product in each tray are compared and judged according to a color code model; marking unqualified products, and outputting a judgment result; and stacking and blanking. According to the invention, accurate quantification of coating colors of industrial products is realized, the defect of subjective judgment of human eyes is avoided, the detection efficiency and the defect identification precision are high, the manual dependence is reduced, the operation is convenient, mass production and full detection can be realized, and the pain point that manual detection and spectrograph detection cannot adapt to mass production is solved; and all microscope base product detection data in the corresponding charging tray can be called by identifying the identity information of the charging tray through the two-dimensional code, so that whole-course traceability is realized.

The utility model discloses an industrial sewage treatment can divide the high -efficient solid -liquid separation cyclone device of flow, including bottom plate, the top of bottom plate is provided with cyclone, and the outer wall of cyclone is sleeved with support frame, and cyclone is connected with cyclone through support frame, the bottom of cyclone is provided with blowoff pipe, and the outer wall of blowoff pipe is sleeved with manual valve, and one end of blowoff pipe is provided with the collection of pollution tank, and the bottom of cyclone is linked with cyclone through blowoff pipe. The utility model, sewage is first through the inclined filter plate, can filter out big block impurity fast, avoids its influence subsequent processing, then enters cyclone, utilizes centrifugal force and separates fine particle efficiently, finally by activated carbon board adsorption residual impurity and part organic matter. Three -level processing layer by layer progression, improve sewage treatment effect greatly, make water quality more optimal, and the impurity of inclined filter plate filtration falls into the groove and is into the collection of pollution tank through the connecting pipe, and the solid separated by cyclone also enters the collection of pollution tank through blowoff pipe, realizes the unified collection of impurity, reduces the risk of equipment blockage.

The utility model discloses a furniture production trepanning and polishing device, including work table, the top one side of work table is provided with the support, and the top one side of support is provided with the sliding mechanism, and the bottom of sliding mechanism is provided with electric telescopic handle, the bottom of electric telescopic handle is provided with the adjusting mechanism, and the bottom inboard of support is provided with cleaning component, wherein, the adjusting mechanism includes the adjusting frame of setting in the bottom of electric telescopic handle, and the bottom fixed mounting of electric telescopic handle has the rotating block, and the inside bottom side of adjusting frame is installed the connecting block in the symmetry, and the inside fixed mounting of rotating block has the rotating rod, can realize the effect of quick adjustment to the plate material and carry out the drilling and polishing to the plate material, can greatly improve the device use range, reduce the step of staff to furniture plate processing, improve furniture plate processing efficiency, bring the convenience to staff when using.

This invention relates to a method and system for collaborative optimization of AI services based on zero-cost agents. The method includes: acquiring the model structural features of the AI ​​service to be evaluated; using a pre-set non-trained evaluation model to quantitatively analyze the information transmission characteristics of the model structural features to obtain performance scores for each candidate model version; based on the performance scores and combined with the real-time status of computing resources, determining the deployment strategy of the AI ​​service instance on the target computing node through a deployment algorithm that balances queuing latency benefits and communication latency benefits; monitoring the service request load in real time; selecting the target version from the candidate model versions based on load changes and the performance scores; and performing online replacement of the deployed AI service. This invention, through a proxy model constructed with quantitative encoding, communication-queuing collaborative awareness deployment, and load awareness model replacement, realizes a link collaboration mechanism, which can effectively reduce end-to-end latency and improve resource utilization efficiency and service stability.

The invention discloses a fine iron powder screening device and method, and belongs to the technical field of fine iron powder screening. The fine iron powder screening device comprises a discharging pipe, a screening mechanism is arranged at the bottom of the discharging pipe, and a supporting mechanism for supporting and vibrating the screening mechanism is arranged below the discharging pipe; the screening mechanism is arranged at the top of the supporting mechanism, the screening mechanism comprises a second screening assembly used for screening materials and a first screening assembly used for being matched with the second screening assembly to screen the materials, the second screening assembly is arranged in the first screening assembly, and the first screening assembly comprises a limiting material storage pipe; through mutual cooperation of multiple structures, a user can quickly adjust the screening precision of the screening device according to actual processing requirements, so that the screening device can better meet diversified processing requirements of the user, and the use experience of the user on the screening device is improved.

The utility model relates to the technical field of Fe-Si-Al soft magnetic powder surface coating, and discloses a surface coating device for Fe-Si-Al soft magnetic powder production, which comprises a coating machine box body, the top of the coating machine box body is provided with a material inlet, the bottom of the coating machine box body is provided with a material outlet, the coating machine box body is internally provided with a stirring assembly, and the stirring assembly is provided with a material outlet. A screening assembly is arranged at the bottom of the coating machine box body, a first supporting frame is fixedly connected to the outer wall of the coating machine box body, the stirring assembly comprises a first rotating column and a plurality of stirring rods, and the two ends of the first rotating column are rotationally connected to the interior of the coating machine box body. According to the soft magnetic powder coating machine, when soft magnetic powder in the coating machine box body is coated, the motor is started to drive the first rotating column, then the first rotating column drives the stirring rod, the stirring rod drives the scraping plate, and then the scraping plate drives the bent plate blade to coat the soft magnetic powder; the problem that the insulation value of a product is affected by uneven mixing and different thicknesses of the coating layer is effectively solved, and the production efficiency is improved.

This invention relates to the field of sodium-ion battery technology, specifically to a rapid screening method for low-temperature sodium-ion batteries and its application. The method involves assembling positive electrode, negative electrode, separator, and electrolyte into different sodium-ion batteries, followed by charging and formation. Q-V data for each sodium-ion battery during the formation process are obtained, and dQ / dV-V curves are plotted to determine the peak position and area of ​​the redox peak. After formation, the sodium-ion batteries undergo aging and capacity testing to obtain finished sodium-ion batteries. Under low-temperature conditions, the finished sodium-ion batteries are subjected to DCR testing to obtain their low-temperature DCR resistance. Based on the peak position and area of ​​the redox peak and the low-temperature DCR resistance, the low-temperature performance of different sodium-ion batteries is determined. This method can quickly and accurately screen sodium-ion battery systems with relatively superior low-temperature performance, shortening the cell low-temperature performance testing cycle and improving the screening efficiency of low-temperature sodium-ion batteries.

This invention discloses a BIM-based architectural engineering design method and system, relating to the field of architectural engineering design technology. The method includes: extracting the geometric features of each component of the target building, including bounding box coordinates, center point, dimensions, and principal direction vectors; calculating the average bounding box side length based on the geometric features; dividing the building space into grid cells and marking dense grid cells; offsetting components within the dense grid cells along three-dimensional directions to generate extended feature vectors; performing principal component rotation and multiple orthogonal projection on the extended feature vectors to generate a two-dimensional hash index; mapping components to index buckets and neighboring buckets; combining components pairwise within the index buckets; analyzing three-dimensional overlapping intervals to identify conflicting component pairs; statistically analyzing the overlapping volume of conflicting component pairs and their coefficient of variation; and marking component pairs with abnormal volumes to form conflict marker objects for BIM-driven component position adjustment. This solves the problem of missed detection of conflict candidate pairs in highly overlapping areas of the building space.

The invention relates to the technical field of alloy materials, and discloses an alloy material component screening method, system and equipment and a medium. The method comprises the following steps: constructing an alloy component performance data set; constructing a multi-model performance prediction model, and training the multi-model performance prediction model according to the alloy component performance data set to screen out a performance prediction reference model; performing global search according to a genetic algorithm and the performance prediction reference model to obtain an alloy component scheme and a corresponding performance prediction result; according to the alloy component scheme and the performance prediction result, weighted assignment sorting is carried out to screen out a target alloy combination; and performing simulation verification and process analysis on the target alloy combination to optimize the performance prediction reference model. According to the method, deviation of a single model is avoided through a multi-model performance prediction model, the genetic algorithm is introduced to ensure global search and avoid local optimization, the closed-loop process design is formed by combining simulation verification and process analysis, the target alloy combination meeting the requirements is rapidly and accurately screened, and the development efficiency is improved.

The invention discloses a cell membrane bionic magnetic nano-microsphere based on cannabinoid receptor CB2 receptor targeting, a preparation method of the cell membrane bionic magnetic nano-microsphere and application of the cell membrane bionic magnetic nano-microsphere to analgesic screening. The cell membrane bionic magnetic nano-microsphere takes a surface aldehyde group modified magnetic nano-microsphere as a core; a cell membrane of a high-expression cannabinoid receptor CB2 is wrapped on the surface of a magnetic bead by using a covalent bond binding method, a potential agonist is screened based on ligand-receptor affinity interaction, the active ligand of the cannabinoid receptor CB2 is efficiently captured by using a bionic magnetic nano material fishing technology, active components can be rapidly and sensitively screened out, and the application prospect is wide. The method is simple in operation, reduces analysis steps and time, improves analysis accuracy, remarkably improves separation efficiency and specificity of trace active components in a complex system by adopting collaborative innovation of a magnetic nano material and a biomimetic membrane technology, and has a great application prospect.

This invention relates to the field of goods storage scheduling technology, and discloses an intelligent scheduling system and method for goods storage inbound and outbound operations. The method includes acquiring a real-time distribution feature set and a historical scheduling feature set of goods in a target warehouse. The real-time distribution feature set includes spatial distribution and morphological feature sets of goods, while the historical scheduling feature set includes historical spatial distribution and morphological feature sets. A scheduling sensitivity matrix is ​​generated by comparing the two types of real-time feature sets with their corresponding historical feature sets. A dataset of warehouse location movement trajectories matching this matrix is ​​retrieved. When the dataset dispersion reaches a dispersion threshold, the scheduling time percentage from the initial inventory time to the current scheduling time is calculated. A warehouse location reorganization instruction set is generated based on this time percentage. This method combines real-time and historical data to optimize warehouse location trajectory planning and warehouse location reorganization, adapting to complex warehousing scenarios and improving the level of scheduling intelligence.

The utility model provides a 1, 4-dihydroxy anthraquinone washing and drying device which comprises a supporting plate, and an open type drying machine is installed on the supporting plate. According to the 1, 4-dihydroxy anthraquinone washing and drying device, 1, 4-dihydroxy anthraquinone is filtered and collected in a collecting frame through a filter screen, waste water flows into a purifying pond, a first servo motor is controlled to rotate anticlockwise, then the collecting frame is driven to turn over, the collecting frame is inversely buckled above an open type drying machine, and the 1, 4-dihydroxy anthraquinone collected in the collecting frame is recycled. 1, 4-dihydroxy anthraquinone falls into the open type dryer, then the open type dryer is started, the 1, 4-dihydroxy anthraquinone can be rapidly dried, the 1, 4-dihydroxy anthraquinone adhered to the collecting frame and the filter screen is dried, then the vibration motor is started to vibrate the adhered 1, 4-dihydroxy anthraquinone into the open type dryer, and then the dried 1, 4-dihydroxy anthraquinone is collected. The utility model discloses 2, 4-dihydroxy anthraquinone.

The present application relates to the field of edible oil quality monitoring, and particularly relates to an online edible oil quality monitoring system and method based on a multi-modal sensor, which extracts the pressing state characteristics of the outflowing oil liquid corresponding to the pressing process; calculates the pressing quality representation value of the outflowing oil liquid to mark the outflowing oil liquid; further evaluates and analyzes the quality of the outflowing oil liquid; extracts the flow disorder characteristics of the outflowing oil liquid in the entire pressing process to determine whether it meets the flow deviation fault tolerance requirement; according to the splashing height of the outflowing oil liquid entering the oil receiving container, in combination with the retention time and accumulation area of the foam in the oil receiving container, the quality deviation representation coefficient of the corresponding crude oil product is evaluated, the quality deviation level is determined, the corresponding color is marked, and a warning prompt information is sent. The present application realizes multi-dimensional and comprehensive edible oil quality monitoring by real-time online monitoring, timely discovery of edible oil production abnormalities, and improvement of monitoring accuracy.

This invention discloses a method for detecting gallium oxide-based epitaxial structures, relating to the field of electrical engineering. The method includes steps S1: performing lattice temperature mismatch analysis on each electronic component under test to obtain lattice temperature mismatch data; Step S2: judging the anomaly of the epitaxial structure based on the lattice temperature mismatch data, and performing leakage current analysis on components that initially pass inspection to obtain leakage current detection data; Step S3: providing early warning for epitaxial structure detection based on the leakage current detection data. This application can ensure the integrity and accuracy of gallium oxide-based epitaxial structure detection through lattice temperature mismatch analysis and leakage current detection, improving detection efficiency and reliability.

This invention belongs to the technical field of permeable concrete, and provides a low-carbon permeable concrete and its preparation and intelligent screening method. The low-carbon permeable concrete comprises, by weight, 75-85 parts red mud, 175-200 parts slag, 800-1400 parts coarse aggregate 1, 600-1200 parts coarse aggregate 2, 38-48 parts water, 3-4 parts NaOH, and 85-95 parts water glass. The preparation method is as follows: coarse aggregate 1 and coarse aggregate 2 are mixed to form a dual-graded coarse aggregate; red mud and slag are mixed to form a red mud-slag geopolymer; an alkali activator solution is prepared using water, NaOH, and water glass; the dual-graded coarse aggregate is added to a mixer, followed by the sequential addition of 50% alkali activator solution, red mud-slag geopolymer, and the remaining 50% alkali activator solution, with stirring performed after each addition; the intelligent screening method utilizes normalized product combined with machine learning algorithms to quickly screen out two concrete experimental groups with superior performance.

This invention discloses a method, apparatus, and device for evaluating the answer quality of a large language model, comprising: acquiring data to be evaluated; extracting the input question, standard answer, and model answer generated by the large language model to be evaluated for the input question; vectorizing the standard answer and model answer using a vector model to obtain standard sentence vectors and model sentence vectors; identifying semantic units in the standard answer and model answer to obtain a set of standard units and a set of model units; calculating the importance weight of each semantic unit in the set of standard units and the set of model units based on information entropy theory; performing semantic similarity matching between the semantic units in the set of standard units and the semantic units in the set of model units; determining the matched units covered in the set of standard units based on the matching results; and calculating multi-dimensional evaluation indicators based on the standard sentence vector, model sentence vector, importance weight, and matched units, and performing weighted fusion to obtain a comprehensive score.