63results about How to "Improve selection efficiency" patented technology

The invention relates to the technical field of gene engineering, and discloses a KASP marker related to thousand seed weight of wheat and application of the KASP marker. The SNP locus is located at the 33397938bp position of the wheat 1A chromosome, and the polymorphism is C / T. Through phenotypic difference and exon capture analysis, the SNP site closely related to the thousand seed weight is determined, and a specific KASP primer combination is designed, so that rapid and accurate identification of the wheat thousand seed weight is realized. The application of the technology has significant significance in accelerating high-yield breeding of wheat. According to the method, the selection efficiency is improved, the breeding period is shortened, and wheat varieties with ideal thousand seed weight can be quickly identified and cultivated. By using the KASP primer combination, an effective tool is provided for molecular marker-assisted selection of wheat yield-related traits, and the overall yield and quality of crops can be improved.

The invention belongs to the field of pepper breeding and molecular biology, and discloses a KASP molecular marker closely linked with a pepper fruit color gene CaCHL1, the gene of pepper zunla-1 is used as a reference gene, and the single nucleotide polymorphism at the 13072545th basic group on a pepper chromosome 5 is subjected to basic group G-C replacement. The invention further discloses a primer and a kit for identifying the KASP molecular marker closely linked with the pepper fruit color gene CaCHL1 and application of the primer and the kit in identifying pepper fruit color types or molecular assisted breeding. The screened KASP molecular marker can be directly used for identifying the pepper fruit color, then auxiliary breeding is carried out by depending on the molecular marker, the problems that conventional breeding is long in period and prone to being influenced by the environment can be effectively solved, and the KASP molecular marker has important significance in pepper fruit color breeding practice and research on fruit color change and regulation and control mechanisms.

The invention discloses an SNP (Single Nucleotide Polymorphism) molecular marker related to lactation traits of buffalo and application of the SNP molecular marker, the SNP molecular marker is located at the 51st basic group of Chr1166691407, the SNP molecular marker is G or T, and the nucleotide sequence of the Chr1166691407 is shown as SEQ ID NO.1. The invention further discloses a preparation method of the SNP molecular marker related to the lactation traits of buffalo and application of the SNP molecular marker related to the lactation traits of buffalo. The SNP molecular marker which is most related to the peak milk yield of the buffalo is obtained by means of DNA extraction and sequencing, genome comparison, whole genome association analysis and the like, and the peak milk yield of the GG type buffalo is superior to that of buffalo with other genotypes by researching the remarkable association between the genotype of the SNP molecular marker and the peak milk yield of the buffalo; the method is applied to auxiliary breeding of buffalo strains or varieties with the peak milk yield characteristic, so that the breeding period is shortened, the breeding efficiency is improved, and the buffalo produced by the bred buffalo with the peak milk yield characteristic can be greatly improved.

The invention relates to the field of wheat breeding, in particular to a rapid breeding method of waxy wheat. The invention provides a rapid breeding method of waxy wheat, which combines a plurality of experimental techniques such as tissue culture, KASP molecular marker and iodine staining identification, and can rapidly create a new line of waxy wheat. According to the method, the breeding time can be effectively and remarkably shortened, and a new method is provided for wheat variety improvement.

The present invention discloses a SNP molecular marker closely linked to watermelon seed rind thickness and its application, aiming to solve the technical problem of lack of identification and identification methods for watermelon seed rind thickness genes. The present invention provides a SNP site closely linked to watermelon seed rind thickness (the base at the 7046144bp position of chromosome 6 of the watermelon genome mutates from T to C), and a dCAPS molecular marker primer N6‑32 is designed based on the enzyme cutting information of the SNP site. The use of the marker for molecular marker-assisted selection breeding can more quickly and accurately carry out directional genetic improvement of watermelon seed rind thickness; the watermelon fruit size can be quickly identified through simple experimental operation and analysis, providing a fast, simple, scientific and practical detection and identification technology for the detection of watermelon seed rind thickness traits.

The invention belongs to the field of genetic breeding, and relates to cultivation of powdery mildew resistant wheat. The invention provides a detectable molecular marker for tracking a powdery mildew-resistant gene PmDR144 and application of the detectable molecular marker in disease-resistant breeding. The molecular marker comprises an upstream primer HENU624-F and a downstream primer HENU624-R, the nucleotide sequence of the upstream primer HENU624-F is as shown in SEQ ID No. 1, and the nucleotide sequence of the downstream primer HENU624-R is as shown in SEQ ID No. 2. The primer provided by the invention can be used for detecting whether a wheat breeding material carries the powdery mildew resistant gene PmDR144 or not before the powdery mildew in the wheat seedling stage is attacked, a variety carrying the powdery mildew resistant gene PmDR144 is purposefully selected, and the marker not only is rapid and accurate in detection, but also saves the cost, improves the breeding efficiency and accelerates the breeding process.

The invention relates to the technical field of building engineering material type selection, and discloses a BI + AI-based building decoration engineering material intelligent type selection process method, which comprises the following steps: step 1, establishing an AI intelligent system, establishing the AI intelligent system according to an AI intelligent technology, the AI intelligent system comprising an AI robot, and the AI robot being capable of performing feature extraction, feature screening, training and test set generation; step 2, establishing a BI model; 3, building decoration engineering material data are input; 4, the AI intelligent system performs automatic matching and model selection; and 5, after the AI intelligent system automatically matches and selects the model, the final building model effect is presented. According to the BI + AI-based intelligent model selection process method for the building decoration engineering materials, a building structure and the decoration engineering materials are subjected to automatic matching model selection by adopting a BI technology and an AI technology, the model selection efficiency is high, the model selection precision is high, and the problem of low manual model selection efficiency is solved.

The application belongs to the technical field of biology and particularly relates to a molecular marker for predicting daily weight gain of pigs, a primer pair, a kit and application thereof. The nucleotide sequence of the molecular marker is shown as SEQ ID NO. 3, and the 474th site at the 5' end of the molecular marker is a polymorphic site, the base of which is C or G, and the daily weight gain of the pig with the genotype CC of the site is higher than that of the pig with the genotype GG. The molecular marker provided in the application is a molecular marker related to the growth performance of pigs, and is used for predicting the daily weight gain, feed conversion rate and other growth traits of pigs, and provides an accurate genetic basis for early selection of pigs.

The application discloses a full-angle image recognition sugarcane seed selecting device, and relates to the technical field of sugarcane seed selection, which comprises a sugarcane loading frame, sliding seats are slidingly connected to slide rods fixed to one end of the sugarcane loading frame, two sliding seats are connected through a cross rod, the cross rod is fixedly connected to a lifting cylinder at the middle position of the bottom, the lifting cylinder is fixed to the sugarcane loading frame, in the process that the sugarcane is lifted by the sugarcane supporting frame, the two ends of the sugarcane will push the swing rods to deflect to one side until the sugarcane is lifted above the swing rods, after the sugarcane is no longer pushed, the swing rods will droop according to their own gravity, the sugarcane falls on the two swing rods, then a cutting saw, which is electrically mounted on a cutting support through a linear module, moves downwards, so that the rhizome of the sugarcane is cut, the cut sugarcane no longer lifted by the swing rods will fall on multiple inclined guide conveying rods, under the guidance of the inclined guide conveying rods, the sugarcane falls on double-sided conveyors, so that subsequent sugarcane seeds can be selected.

The invention discloses a model selection method and system for key equipment of a flexible direct-current power transmission system, and belongs to the technical field of flexible direct-current power transmission. The model selection method comprises the following steps: determining equipment parameters of key equipment of the flexible direct-current power transmission system, and compiling a calculation table according to the equipment parameters; associating the equipment parameters with the equipment models of the key equipment of the flexible direct current power transmission system in the calculation table; and determining a boundary condition of the flexible direct current power transmission system, and based on the boundary condition, selecting an equipment model suitable for the key equipment of the flexible direct current power transmission system from the model selection calculation table. According to the method, the equipment type selection efficiency is greatly improved.

This invention provides an Indel molecular marker closely related to the soluble sugar content of pepper fruit and its application, belonging to the technical field of nucleic acid-based assay methods. The nucleotide sequence of the Indel molecular marker is shown in SEQ ID NO.1 of the sequence listing; the Indel molecular marker is located at positions 5274716-5274727 of the full-length sequence of chromosome 3 of the pepper reference genome. Primers for amplifying the Indel molecular marker include a forward primer and a reverse primer. The nucleotide sequence of the forward primer is shown in SEQ ID NO.2 of the sequence listing, and the nucleotide sequence of the reverse primer is shown in SEQ ID NO.3 of the sequence listing. This molecular marker can be directly applied in early generations of breeding, avoiding the destructive sampling of chemical detection, significantly reducing breeding costs, effectively shortening the breeding cycle, and greatly improving the selection efficiency of molecular marker-assisted breeding in peppers.

The application discloses a SNP molecular marker related to the content of oleic acid in sesame seeds and application, and belongs to the technical field of molecular marker breeding. The SNP molecular marker related to the content of oleic acid in sesame seeds is located at 2754308 bp of the No. 3 chromosome, the genotype GG corresponds to the content of oleic acid which is significantly higher than that of AA (the difference reaches the extremely significant level of 0.01), and the accurate differentiation of high / low oleic acid germplasm can be realized. Early genotype identification can be carried out at the seedling stage of sesame by using the marker, and the breeding cycle is greatly shortened and the selection efficiency is improved without waiting for seed maturation. The marker is stable and reliable under different genetic backgrounds, is less affected by the environment, and is simple, high-flux and low-cost in detection, is suitable for large-scale automatic screening, can be directly used for molecular marker assisted selection of high-oleic-acid sesame varieties, accelerates the cultivation of high-quality new varieties, and has important application value for improving the sesame oil quality and market competitiveness.

The embodiment of the invention discloses an operator marketing interface display method and system based on user data analysis, and the method comprises the steps: obtaining historical user data and current positioning information in response to an opening instruction, carrying out the number type statistics based on the historical user data, and determining a hot number type and a target operator according to a statistical result; determining a matched first target number in the number pool according to the hot number type and the target operator, and loading an initial marketing interface according to the hot number type, the target operator, the first target number and the current positioning information; performing keyword recognition on the user operation data monitored in real time to obtain a target keyword; and performing target number screening according to the target keyword to obtain a plurality of second target numbers, and performing number information updating display on the display area based on the second target numbers. The efficiency of selecting the target commodity by the user is improved, the display effect of the commodity information is improved, and the user can conveniently compare the commodities, so that the commodity income is improved.

The application relates to the technical field of biological sample processing, in particular to a biological sample safe, rapid and automatic processing device and a use method thereof. The device comprises a machine body, one side of the upper end of the machine body is provided with a mounting groove, a maintenance assembly is arranged on the machine body, the maintenance assembly corresponds to the mounting groove, a partition plate is arranged in the mounting groove, a supporting shaft is fixed on the partition plate, and a mounting frame is arranged at the upper end of the supporting shaft. The method comprises the following steps: sample solution preparation, starting equipment, speed adjustment and analysis display. Through the ingenious cooperation between various mechanisms, stable power transmission can be realized, and the rotating speed can be adjusted according to the requirement, so that the rotating speed of the mounting frame is adjusted according to the requirement, the biological sample solution material and the reagent for processing in the mounting frame can be fully mixed, the processing result of the sample solution can be known, and it is convenient to accurately obtain which concentration or which material can more effectively process the biological sample.

The application discloses a kind of automatic teller machine placement position determination method, device and storage medium.It relates to artificial intelligence technical field, wherein, the method includes: target image is input into target prediction model, and initial prediction map is output, wherein, target image is the image of the environment of automatic teller machine to be placed, and initial prediction map at least includes: the gaze point area information of the first class object predicted by target prediction model;The target image is calculated by vanishing point detection algorithm, and the priori graph of target image is determined, wherein, at least including: the position of vanishing point;Initial prediction map and priori graph are weighted and fused, and target prediction map is obtained, wherein, target prediction map is marked with the to-be-placed position of automatic teller machine in environment.The application solves the technical problem that manual selection mode determines the placement position of automatic teller machine (ATM), and users are not easy to find the position of ATM, leading to low utilization rate of ATM.

The utility model discloses eleusine coracana fine selection equipment, which relates to the technical field of eleusine coracana fine selection and comprises a base and a vibration motor. Damping rods are evenly distributed on the top face of the base, the top ends of the damping rods are connected with the bottom face of the tank body, springs are connected to the outer sides of the damping rods in a sleeving mode, discharging shells are evenly fixed to the front side face of the tank body, a vibration motor is installed on the bottom face of the tank body, a screen is placed in the tank body, and a disassembly and assembly unit is arranged in the tank body. The interior of the tank body is rotationally connected with a material pushing unit; according to the eleusine coracana selecting equipment, the motor is started to drive the fixing shaft to rotate, the pushing plate stirs eleusine coracana in the tank body, the eleusine coracana can be classified, screened and selected in cooperation with the vibration motor, meanwhile, the screen can be cleaned through the arranged cleaning brush, and the cleaning effect is good. The problem that the screen is blocked is solved.

This disclosure provides a method, apparatus, computer storage medium, and electronic device for selecting virtual objects, relating to the field of computer technology. The method includes: responding to a selection operation command, determining a target selection area corresponding to the selection operation command, and selecting a target virtual object from a plurality of selectable virtual objects; displaying a slider control in a graphical user interface, the slider control including a sliding track and a sliding indicator, wherein the parameter value range indicated by the sliding track is used to characterize the value range of the target parameter corresponding to the virtual object in the virtual scene; responding to a control operation on the sliding indicator, determining the target parameter value corresponding to the control operation based on the position parameter of the sliding indicator in the sliding track, so as to adjust the selected target virtual object within the target selection area based on the target parameter value. This disclosure can improve the efficiency of adjusting virtual characters selected within a selection area, thereby enhancing the user experience.

The present invention relates to a primer set for detecting apple fire blight resistance traits and its application. The primer set includes a forward specific primer F-anti, a forward specific primer F-sense and a common reverse primer R; the present invention also provides an application of the primer set in screening apple resources resistant to fire blight; the primer set can be used to quickly screen apple fire blight resistance resources at the molecular level with high accuracy.

The application discloses a kind of logic prototype component determination method, device, equipment and medium, is relevant to component selection technology field.The component to be checked, equipment load matching parameter is matched;Obtain the loop parameter of the component to be checked in the current loop of logic prototype;According to the check rule between the standard characteristic parameter of the component to be checked and the loop parameter pre-stored in logic prototype, the selection of the component to be checked is determined.The method is pre-stored in logic prototype in the standard characteristic parameter, equipment load characteristic parameter, so that in logic prototype, component, equipment load matching parameter can be completed;Because the check rule between the standard characteristic parameter of the component to be checked and the loop parameter pre-stored in logic prototype, therefore, logic prototype can directly according to check rule automatically complete the check of the selection of component, and not easy to be interfered by human factors, greatly improve the efficiency, accuracy of component selection.

The invention belongs to the field of artificial intelligence, and relates to a video key frame extraction method and device based on self-supervision, equipment and a medium, and the method comprises the steps: obtaining a frame sequence of a target video, extracting the feature vector of each frame in the frame sequence through a pre-training feature extractor, and obtaining a feature vector sequence; determining graph nodes according to the frame sequence, calculating edge weights according to the feature vector sequence, and constructing an initial directed graph; calculating a graph Laplacian matrix, screening positive and negative sample frame pairs from the frame sequence by using a target sampler, and calculating time sequence perception comparison loss; circularly using parameters of the loss updating feature extractor to finely adjust the feature vector, update the edge weight, construct the graph and the like until the loss converges; reconstructing a directed graph, and calculating a Laplacian matrix of the graph to obtain a Laplacian matrix of a target graph; and performing Laplacian matrix spectral clustering on the target image to obtain a target video key frame set. The method can be applied to the business fields of financial science and technology, insurance, medical treatment and the like, and can improve the extraction accuracy of the video key frame.

The invention discloses an interactive selection and exploration method oriented to table data understanding in an immersive environment. The method comprises the steps that S1, a user uploads table data; s2, rendering an interactive three-dimensional space data table in the virtual reality space; s3, a user uses a controller or a naked hand gesture to carry out six table selection modes including click selection, open path selection and closed path selection on the three-dimensional space table data; s4, feeding back a selection operation of the user and activating a selection area expansion function; and S5, the user uses a controller or a naked hand gesture to adjust the boundary of the selection area and finally determines the boundary. According to the method, the table operation efficiency of the user in the virtual environment is greatly improved, particularly in the data analysis and visualization process, the user can interact with complex table data more naturally and flexibly, and the depth and breadth of information exploration and data insight are promoted.

The application discloses a haplotype related to cotton fiber strength and a functional KASP molecular marker and detection application thereof, and relates to the technical field of plant molecular breeding and genetic markers. The haplotype is located in a 5,980,849-5,982,917 bp segment of a cotton reference genome D08 chromosome, is composed of 7 SNP sites, and can be divided into two types of Hap1 and Hap2. The KASP molecular marker is located at 5,982,917 bp of the cotton reference genome D08 chromosome, and the base is A / T. The haplotype represented by the molecular marker is significantly related to the cotton fiber strength, the KASP detection primer developed based on the haplotype has the advantages of accurate detection, simple operation, high throughput and low cost, and can be used for screening of early-stage materials in cotton breeding, significantly improves the selection efficiency of the fiber strength, and speeds up the breeding process of new cotton varieties with high quality.

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.

The invention relates to the technical field of electronic equipment, and discloses a power supply filter test method and device and a storage medium, and the method comprises the steps: generating a simulation circuit corresponding to a circuit connection relation according to the circuit connection relation of a power supply module, a power supply filter and an unmanned plane detection countering device, and a circuit topological graph of the power supply filter; testing the simulation circuit to obtain a simulation test result; if the simulation test result meets a first preset condition, obtaining first spectrum data, second spectrum data and noise spectrum data of a test environment; if the comparison result of the first frequency spectrum data and the second frequency spectrum data and the comparison result of the second frequency spectrum data and the noise frequency spectrum data meet a second preset condition, whether the unmanned aerial vehicle countering performance difference of the unmanned aerial vehicle detection countering device and the unmanned aerial vehicle detection performance difference meet requirements or not in the first scene and the second scene is determined; and if the requirements are met, determining that the power filter passes the test. According to the invention, the power supply filter can be accurately and comprehensively tested.

The present invention belongs to the technical field of molecular biology and genetic breeding, and discloses a molecular marker of a locus qFAC.A8-1 significantly associated with the fatty acid composition of rapeseed seeds and its application. qFAC.A8‑1 Its peak SNP marker Bn‑A08‑p2585836 is located at base 2,022,032 of chromosome A08 of the rapeseed Darmor V4.1 reference genome, and can explain an average of 12.3% of the phenotypic variance. The PARMS marker designed using this SNP was used to detect rapeseed germplasm resources, and it was found that it is easy to operate and has clear typing. In addition, the average arachidonate and erucic acid content of seeds of AA genotype materials is lower than that of GG genotype materials, while the content of linoleic acid, oleic acid, palmitic acid and stearic acid is higher, so it has a good selection effect on the fatty acid composition of rapeseed seeds.

The present invention provides a method for realizing fault early warning and management of electronic related equipment of a railway signal system, which comprises: retrieving delayed passenger clearance data to determine the fault mode causing the delay of the passenger clearance operation; establishing a fault logic model, a fault assessment model, and constructing the relationship between the fault mode and the operating state, and the relationship between the maintenance measure and the fault mode in a monitoring and early warning system; extracting fault characteristic parameters according to the relationship between the fault logic model, the fault mode and the operating state, and judging whether the fault characteristic parameters are within a normal monitoring threshold; and / or obtaining the occurrence probability of the fault mode according to the fault assessment model; assigning different weights to the fault characteristic parameters and the occurrence probability corresponding to the fault mode in combination with key factors, and calculating the early warning level of the fault mode; selecting the elimination method of the fault early warning level according to the relationship between the maintenance measure and the fault mode, realizing early warning and management of the fault mode, and effectively reducing the failure rate.

The utility model discloses a compound ferrotitanium powder selecting system, which relates to the technical field of compound ferrotitanium powder selecting, and comprises a selecting cover, a support frame is fixedly arranged at the bottom of the selecting cover, a collecting box is arranged at the lower end of the support frame, a cross rod is rotatably arranged at the side part of the selecting cover in a penetrating manner, and a screening net is fixedly sleeved on the rod wall of the cross rod. The side wall of the screening net is in contact fit with the inner wall of the fine selection cover, a swing screening mechanism used for driving the screening net to swing in a reciprocating mode is arranged at the rear end of the transverse rod, two symmetrically-arranged vertical rods are arranged below the screening net, and a springback knocking mechanism used for driving the vertical rods to move longitudinally is arranged between the two vertical rods. According to the sorting cover, the cross rod, the screening net and the swing screening mechanism, the screening net can swing in a reciprocating mode when composite ferrotitanium powder is sorted and sorted, so that all positions of the surface of the screening net can be used, meanwhile, the situation that meshes in the screening net are blocked due to accumulation of the ferrotitanium powder is avoided as much as possible, and the screening efficiency is improved. And the selection efficiency of the composite ferrotitanium powder is improved.

This invention discloses a molecular marker linked to a gene controlling hypocotyl color in chili seedlings. Using the Zhangshugang genome version of chili as a reference, a T-to-A mutation occurs at base position 147379328 on chromosome 10 of chili. This invention also discloses primers and a kit for identifying the molecular marker linked to the chili seedling hypocotyl color gene, and its application in the auxiliary screening, identification, and breeding of chili varieties with green or purple hypocotyl colors at the seedling stage. This invention locates a novel gene controlling hypocotyl color in chili seedlings and, based on the mutation site of this gene, develops a molecular marker associated with this gene. This marker can be directly used for identifying morphological markers and corresponding genotypes at the chili seedling stage, and then used for auxiliary breeding, effectively solving problems such as long breeding cycles and susceptibility to environmental influences in conventional breeding methods.

The present disclosure provides a data selection method, device, equipment and storage medium based on a front-end page. The method includes: based on a data selection request, displaying the system solution to be determined and the solution to be added in modular data in the front-end page; in response to a request to add data in the solution to be added, updating the front-end page, displaying the selected item data under the system solution in the updated front-end page, and obtaining the full amount of the data to be selected; in response to a selection operation for a data type, displaying the data to be selected corresponding to the data type in the updated front-end page; according to the user's selection result for the selected item data, updating the data under the solution to be added, and using the updated data under the solution to be added as the selected item data, and using all the selected item data as the data selected by the user. The present disclosure reduces the operational difficulty of data selection and improves the efficiency of user data selection.

The present invention belongs to the technical field of molecular biology and genetic breeding, and discloses a molecular marker closely linked to the major effect QTL qON.C2 of the number of ovules per ovary of rapeseed and its application. The major effect QTL locus of the number of ovules per ovary located by using 201 strains of rapeseed DH population is qON.C2 The peak SNP marker closely linked to it is Bn‑scaff_15714_1‑p1900599, located at base 2,353,885 of chromosome C02 of the Darmor V4.1 reference genome of rapeseed, which can explain 15.4% of the phenotypic variance on average, with an average additive effect of ‑1.13. The PARMS marker designed using this SNP was used to test the remaining DH lines, and it was found that it was easy to operate and had clear typing, and had a good selection effect on the number of ovules per ovary of rapeseed.