32results about How to "Improve selection efficiency" patented technology

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.

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 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.

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 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 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.

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 application belongs to the technical field of breeding, and particularly relates to a molecular marker closely linked with apple fruit hardness, detection primers, PCR reagents and application. The molecular marker is located at the 31719866-31719957 locus of the 3rd chromosome of an apple genome, and is an insertion / deletion of a 92 bp sequence; wherein the nucleotide sequence of the 92 bp sequence is shown as SEQ ID NO. 1. The identified molecular marker can accurately locate a fruit hardness related genetic locus, and provides double technical advantages for apple hybrid breeding: the application can predict mature fruit hardness phenotype characteristics at the seedling stage, and can reduce subsequent cultivation investment of invalid hybrid combinations, and application of the technical system will promote apple genetic improvement to be more accurate and efficient.

The application discloses a flight route generation method of an aircraft, comprising the following steps: constructing a waypoint list of a flight route, wherein the waypoint list indicates waypoint positions determined according to alternative flight routes; the aircraft sails at the waypoint positions; determining a predetermined space according to waypoint position information of a position where the aircraft is located and a predetermined waypoint interval; obtaining a list of geographic information objects determined according to intersection coordinates; and determining whether to add the intersection coordinates to the waypoint list according to a relationship between the intersection coordinates and positions of the geographic information objects. In the technical scheme of the application, the waypoint list is determined according to positions of geographic information objects, a flight route highly matched with the geographic information objects and a waypoint density is generated, and the safety during the sailing of the aircraft is improved.

This invention belongs to the field of molecular biology, specifically relating to a molecular marker associated with stem diameter in alfalfa under salt stress and its application. The technical problem this invention addresses is that the selection of alfalfa varieties with ideal stem diameter under salt stress primarily relies on multi-year phenotypic measurements, a time-consuming and labor-intensive process heavily influenced by the environment, resulting in insufficient selection efficiency and accuracy. The technical solution of this invention is a molecular marker associated with stem diameter in alfalfa under salt stress, with the following locus information: chromosome: chr5; location: 58795369; SNP genotype: G / T. This invention also provides a primer set for amplifying the aforementioned molecular marker. This invention can be used for early prediction of stem diameter in alfalfa under salt stress and for marker-assisted breeding.

This application discloses an intelligent selection method for manufacturing process templates based on field matching and directed graph judgment, comprising: acquiring key attribute information of the task to be produced; traversing the process template library, comparing the types and quantities of input fields provided by the task with the predefined required fields of each template, and filtering out a set of candidate templates with matching fields; when the number of candidate templates is greater than one, acquiring a preset directed graph corresponding to each candidate template, wherein the directed graph contains judgment nodes and directed paths terminating at template nodes; solving for the output values ​​of each judgment node in the directed graph based on the key attribute information, and determining the template activation status based on the output values ​​of all judgment nodes on the directed path; and finally determining and outputting a unique process template from the set of candidate templates. This invention achieves automatic and accurate selection of process templates through a dual filtering mechanism of field matching and directed graph logical judgment, improving the efficiency of process preparation and the flexibility of rule configuration.

A variation site combination related to salt tolerance of wheat, and detection products and applications thereof, belong to the field of molecular genetic breeding technology, the variation site combination is composed of 94 SNP sites and 1 Indel site, the physical position of each variation site is determined based on sequence alignment of wheat reference genome IWGSC RefSeq v.2.1, the Indel is located in the region of 540783807 to 540783852 of 5D chromosome, and is marked as 5D-Indel. The application also provides a nucleotide probe combination and a liquid gene chip developed based on the variation site combination. By using the above variation site combination and detection products, the salt tolerance related genotype of wheat germplasm resources and hybrid offspring can be rapidly screened in early breeding, the accurate identification and directional polymerization of salt tolerance excellent allelic variation can be realized, the dependence on field saline phenotype identification is reduced, the breeding cycle is shortened, and the detection cost and selection efficiency are considered.

The application discloses a model parameter automatic selection method and system based on a hidden Markov model. The method comprises the following steps: in response to a selection instruction input by a user in a visual operation interface, a selected region in the model is determined, and a selected region set is constructed; a hidden state set is constructed, wherein the hidden state set contains adjustable parameters of the model; a state transition probability matrix and an observation probability matrix are obtained; a hidden state sequence is calculated based on the selected region, the obtained state transition probability matrix and the observation probability matrix by using a Viterbi algorithm to obtain a predicted parameter combination. The technical scheme of the application fixes expert experience in the state transition matrix and the observation probability matrix based on the hidden Markov algorithm. When a user selects certain regions, a parameter combination is automatically predicted and prompted, the user is guided, the experience threshold for use is reduced, and the efficiency of parameter selection by technical personnel is improved.

This invention discloses a SNP locus associated with wheat salt tolerance and its application in predicting wheat salt tolerance, belonging to the field of molecular marker breeding technology. The SNP locus of this invention is located at position 1655 of the CDS region of the TaHKT1;1-B gene. When the base at this locus is G, the corresponding wheat is salt-tolerant; when the base at this locus is A, the corresponding wheat is not salt-tolerant. Based on this SNP locus, a method for predicting wheat salt tolerance has been developed, which can predict the maximum relative root length of wheat after salt stress, saving costs, improving selection efficiency, and thus accelerating the breeding process. This provides new potential opportunities for efficient screening of superior alleles and the breeding of salt-tolerant and drought-resistant wheat varieties.

The invention provides appearance detection equipment and a material selection method thereof. The appearance detection equipment comprises a workbench, and a first loading and unloading module, a second loading and unloading module, a photographing detection module, a carrying manipulator and a material selection module which are arranged on the workbench; a first charging tray carrying a plurality of first materials is conveyed by the first loading and unloading module; a second charging tray carrying a plurality of second materials is conveyed by the second loading and unloading module; the material selection module comprises a material selection cache table; the carrying robot arm carries the multiple second materials to the photographing detection module for photographing detection, and the material selecting module carries the good second materials to the material selecting temporary storage table according to photographing detection results of the multiple second materials. And the carrying robot arm carries the multiple first materials on the first material disc to the photographing detection module for photographing detection, and the defective first materials and the good second materials on the material selecting and caching table are exchanged according to photographing detection results of the multiple first materials.

The application discloses a molecular marker closely linked to relative root length of wheat and application thereof, and belongs to the technical field of molecular marker breeding. The molecular marker is located at the 530103940th position of chromosome 7 in a Chinese spring wheat reference genome sequence RefSeq v2.1, when the base at the position is G, the relative root length of the wheat is relatively long; when the base at the position is C, the relative root length of the wheat is relatively short. By applying the molecular marker developed in the application, the relative root length of the wheat can be predicted, cost is saved, selection efficiency is greatly improved, the breeding process can be accelerated, and new possibilities are provided for efficient screening of excellent alleles of a TaHKT2; 7-D gene and cultivation of salt-tolerant and drought-resistant wheat varieties.

The utility model provides a defoaming agent testing device. The defoaming agent testing device comprises a reaction part, a collection part and a vacuumizing part, the reaction component comprises a reactor, the reactor is provided with a discharge port, the collection component is provided with a collection port, the discharge port is in sealed connection with the collection port, the reactor and the collection component form a sealed test cavity, and the collection component is in sealed connection with the vacuumizing component. And the vacuumizing part is used for vacuumizing the test cavity. The defoaming agent type selection device is simple in structure, the defoaming agent type selection efficiency can be improved, the cost is reduced, and the problems of low efficiency, high cost and equipment loss caused by direct type selection of the defoaming agent through a low-temperature vacuum evaporator are solved.

The utility model discloses a kind of conveyor belt device and its distribution device, the distribution device is located on conveyor belt, and the distribution device is below equipment discharge port;Including support and distributor;The support is fixed on the conveyor belt, the distributor is slidably connected with the support, the surface of the distributor is equipped with material dispersion surface, the material dispersion surface is camber surface, the discharge direction of the distributor and the conveying direction of the conveyor belt have predetermined angle of inclusion.The utility model evenly disperses, and the impurity selection efficiency of traditional chinese medicinal materials can be improved.

The invention discloses a method for breeding a long-grain aromatic indica rice two-line sterile line. The method comprises the following steps: hybridizing a two-line sterile material HD-37S and an improved maintainer line (Taifeng B / Guangdong 8B) F3 as parents, carrying out multi-generation pedigree breeding, combining with molecular marker-assisted selection aiming at a fragrance gene fgr and a grain length gene gw7, and carrying out shuttle fertility identification in high altitude of Guangxi and Hainan region, so as to finally screen out a stable sterile line of which the pollen sterility is greater than or equal to 99.9%. According to the sterile line bred by the method, parent sources are HD-37S and (Taifeng B / Guangxi 8B) F3, and the sterile line has excellent characters that the grain length is greater than or equal to 7.0 mm, the length-width ratio is greater than or equal to 4.0, and the fragrance score is greater than or equal to 75. According to the method, efficient polymerization of long grains, fragrance and stable sterility is realized, the breeding period is short, and the selection accuracy is high.

The invention discloses a molecular marker closely linked with a rape pod length character and application of the molecular marker, and relates to the field of plant molecular biology. The molecular marker provided by the invention is C4-ID28, and comprises a forward primer and a reverse primer of which the nucleotide sequences are respectively shown as SEQ ID NO.1 and SEQ ID NO.2. Through identification, the primer of the molecular marker can be used for genotype identification in the early stage of breeding, and when the amplification result of the primer is a single electrophoretic band, the single plant is judged to be in a short-silique phenotype; and if the amplification result is two electrophoretic bands, determining that the single plant is in a long-silique phenotype. The primer can accurately screen the silique length phenotype, significantly improve the selection efficiency and reduce the field workload, thereby accelerating the breeding process.

The application discloses a two-dimensional layout algorithm selection method and system based on machine learning, and the method comprises the following steps: constructing and training XGBoost model and full connection neural network model, and establishing a two-dimensional layout algorithm library; acquiring real-time layout data, extracting features and calculating characteristic values, inputting the XGBoost model to obtain the selection probability of each algorithm, and screening out the candidate algorithm sequence exceeding the preset probability threshold; sorting the candidate algorithm according to whether the time factor needs to be considered, calling the solution in sequence, determining the final algorithm if successful, and trying the subsequent algorithm in sequence if failed; if all the algorithms fail, inputting the characteristic values into the full connection neural network to generate the first n optimal algorithms, and constituting a new sequence to solve again. The application solves the problems that in the two-dimensional layout algorithm selection method depending on artificial experience or trial-and-error method, the artificial experience may lead to subjective bias, thereby affecting the accuracy and optimality of algorithm selection; and the trial-and-error method is easy to introduce a large amount of invalid calculation, thereby leading to the problem of low algorithm selection efficiency.

The invention belongs to the field of pepper breeding, and discloses a KASP molecular marker closely linked with pepper leaf curl, a primer, a kit and application, a flanking nucleotide sequence of the molecular marker is shown as SEQ ID NO: 1, the primer is shown as SEQ ID NO: 2-4, and the kit comprises the primer. The application comprises application of the primer or the kit in auxiliary breeding of target leaf type capsicum or application of the primer or the kit in identification of capsicum leaf types. The KASP molecular marker provided by the invention can realize accurate association of genotype and phenotype, and thoroughly overcomes the defects that traditional breeding depends on visual inspection, is easily influenced by the environment and cannot be identified in the seedling stage. By utilizing the marker, satisfactory plants can be quickly screened, the planting scale is effectively reduced, the workload of later identification is reduced, and the selection efficiency and accuracy are improved.

The application belongs to the technical field of pepper molecular breeding, and discloses a KASP molecular marker for regulating capsaicin biosynthesis candidate genes, a primer, a kit and application. The flanking nucleotide sequence of the KASP molecular marker is shown in SEQ ID No: 1. The primer comprises a forward primer 1 shown in SEQ ID No: 2, a forward primer 2 shown in SEQ ID No: 3 and a reverse primer shown in SEQ ID No: 4. The kit comprises the primer. The application further provides application of the primer or the kit in identifying and assisting in screening whether the pepper contains capsaicin, in identifying, screening or assisting in breeding of a non-pungent mutant of a pepper fruit. The molecular marker, the primer and the kit developed by the application can quickly screen target plants, effectively reduce the planting scale, reduce the workload of later field identification, and thus improve the selection efficiency and accuracy.

The invention provides a data migration method and device, equipment, a storage medium and a program product. Relates to the technical field of data processing. The method comprises the following steps: acquiring first product information of a first product and a first knowledge base, wherein the first knowledge base comprises second product information of a plurality of second products and use information of each second product; based on the first product information and the multiple pieces of second product information, a target product is determined in the multiple pieces of second products, and the target product is matched with the product information of the first product; and determining a migration strategy of the first product based on the first product information and the use information of the target product, the migration strategy being used for adapting the first product to the target product, thereby improving the efficiency of data migration of the product on the basis of improving the efficiency and accuracy of target product selection.

The application discloses a corn southern rust resistance gene function marker, the gene is located on the 6th chromosome of corn, from the main QTL site RppQ6.01 of the southern rust resistance of Zi 319, gene silencing test shows that ZmWRKY66 is the disease resistance gene of RppQ6.01, sequence analysis finds that there is an insertion / deletion of CACTA-TIR transposon in the promoter region of ZmWRKY66, two function markers are developed based on the DNA sequence of the transposon, and are named as CACTA-L and CACTA-R. In the application, the main QTL and gene position of the corn southern rust resistance are clear, the phenotype contribution rate is higher, the southern rust resistance of corn inbred line material can be significantly improved, the development and application of the two function markers make the corn seedling stage ZmWRKY66 gene typing detection convenient and fast, and the application is not affected by the environment, and a feasible technical approach is provided for the molecular assisted breeding of the corn southern rust resistance.

The invention provides an automatic scheme generation system, method and server for MBR (membrane bioreactor) model selection, and relates to the technical field of industrial wastewater treatment.The system comprises a user interaction module, a knowledge base module, an intelligent reasoning module and a scheme generation module; wherein the user interaction module is used for acquiring user demand information and converting the user demand information into structured demand parameters; the knowledge base module is used for storing professional knowledge and rules of MBR membrane module type selection; the intelligent reasoning module is used for calculating key design parameters according to the structured demand parameters, calling the knowledge base module, and performing membrane module type and configuration matching processing on the key design parameters to obtain a target membrane module type selection scheme; and the scheme generation module is used for receiving the target membrane module type selection scheme sent by the intelligent reasoning module and carrying out economic analysis processing and document generation processing on the target membrane module type selection scheme to obtain a target pre-sales scheme document. According to the invention, the model selection efficiency of the MBR membrane module can be obviously improved.