12results about How to "Realize fine positioning" patented technology

The invention provides a fine-wool sheep genome selection method, which relates to the field of animal genetic breeding, and comprises the following steps: establishing a sheep genome reference group, and carrying out main phenotypic character determination on the sheep genome reference group; designing a liquid phase chip based on re-sequencing data of a plurality of sheep varieties, and performing fine-wool sheep genome selection to obtain GWAS prior information; estimating heritability of the genetic variance and the error variance to different characters based on an RRBLUP model, and obtaining a character heritability statistical result; performing genome estimation breeding value prediction analysis based on a character heritability statistical result; constructing a breeding target character according to the breeding target, and constructing a genome comprehensive breeding value estimation model based on the breeding target character; comprehensive breeding values of the sheep individuals are calculated based on a genome comprehensive breeding value estimation model, comprehensive breeding value ranking is carried out, and sheep seed selection and matching are carried out according to the comprehensive breeding values; and carrying out important economic character genome breeding value prediction analysis based on the GWAS priori information.

The present invention relates to a KASP molecular marker for identifying corn stalk puncture strength and its application. Studies have found that there is a G / A polymorphism on the nucleotide at position 59899287 of chromosome 10 of the corn genome (B73, V4), and the SNP site is significantly associated with the corn stalk puncture strength; a KASP molecular marker related to the stalk puncture strength is developed based on the SNP site. The molecular marker can be used to identify or assist in identifying the stalk puncture resistance, and has a high accuracy rate. The SNP_10_59899287 site of the present invention has a large contribution to the phenotype, and the KASP detection is convenient and has a high throughput. Materials with strong stalk puncture resistance can be quickly screened out for lodging resistance breeding of corn varieties, with a clear selection target, which greatly saves breeding costs.

The invention relates to the field of molecular breeding, in particular to a KASP marker primer group related to the growth period of upland cotton and application of the KASP marker primer group. According to the method, an early-maturing strain XSK28 and a late-maturing strain TM-1 are hybridized, and the QTL in the growth period is finely positioned by using an F2 group. It is identified that the expression level of the two genes GhA05G014200 and GhA05G014500 in an early maturing line XSK28 is obviously higher than that of a late maturing line TM-1. 6 KASP marker primer groups are developed again for the SNP near the two genes, and haplotype analysis of the upland cotton germplasm population further verifies that the two genes are related to the growth period; the six KASP marker primer groups are used for carrying out single marker analysis on an upland cotton germplasm population, and the result shows that the six KASP marker primer groups can be used for auxiliary selection in the growth period, so that the prematurity of cotton is improved.

The utility model provides a kind of gauge for automobile engine cover assembly, including workbench, profiling mechanism, initial positioning mechanism, fine positioning mechanism, locking mechanism, controller and pass gauge;Profiling mechanism includes multiple profiling units, multiple profiling units are set on workbench along the outer edge contour of the engine cover assembly to be detected, and detection gap is formed between profiling unit and the outer edge contour of the engine cover assembly;Initial positioning mechanism is used for positioning engine cover assembly;Fine positioning mechanism includes support unit and sensing unit, support unit is used for supporting engine cover assembly and adjusting the position of engine cover assembly, sensing unit is used for abutting with the lower surface of engine cover assembly and sensing the pressing force of the abutting part with engine cover assembly and feeding back pressure information;Locking mechanism is used for tensioning and compacting engine cover assembly;Controller is electrically connected with sensing unit, and controller displays the pressure information fed back by sensing unit;Pass gauge is used for detecting the uniformity of detection gap.

The invention provides a closely linked SSR marker and application thereof in barley helminthosporium leaf spot resistant QTL positioning, and relates to the technical field of molecular marker assisted breeding. The two QTL sites closely linked with the helminthosporium leaf spot resistance character are successfully positioned through the SSR marker technology, the accuracy of the SSR marker is further verified, the positioning work of the barley helminthosporium leaf spot resistance QTL is successfully completed within a short time by utilizing the SSR marker technology, timely and effective support is provided for disease-resistant breeding, and the method has the advantages of being high in practicability and high in practicability. According to the calculated QTL effect, the position of the QTL on the genetic map is determined, fine positioning of the QTL can be achieved, cross breeding is conducted through the screened helminthosporium leaf spot resistant genotype, a new helminthosporium leaf spot resistant barley variety can be more quickly cultivated in combination with a traditional breeding method, and the strategy of the modern genetic technology and the traditional breeding method is combined.

The application discloses a positioning navigation system and method for neurosurgery puncture operation, and the system comprises a nuclear magnetic resonance scanning unit, an optical positioning unit, a puncture unit and a navigation system terminal; the puncture unit comprises a mechanical arm and a puncture needle; the optical positioning unit comprises an optical positioner and a positioning navigation support, the positioning navigation support is fixed on the head of a patient and the tail end of the mechanical arm, and a plurality of optical marker balls are fixed on the positioning navigation support; the optical positioner is used for collecting optical image information of the optical marker balls; the nuclear magnetic resonance scanning unit comprises a nuclear magnetic resonance scanner, a Z frame and a plurality of titanium nails, the plurality of titanium nails are fixed on the head of the patient, and the Z frame is located at the tail end of the mechanical arm; the nuclear magnetic resonance scanner is used for collecting scanning image information of the brain of the patient, the titanium nails, the Z frame and the puncture needle; and the navigation system terminal is connected with the nuclear magnetic resonance scanning unit, the optical positioning unit and the puncture unit. The application can realize brain tissue deviation compensation in operation and guarantee the safety of a puncture path.

This invention provides a method for monitoring, locating, and warning of thermal runaway in battery modules, belonging to the field of battery module thermal runaway monitoring technology. This invention involves setting up multiple acoustic sensor arrays within the battery module's energy storage compartment to collect acoustic signals in real time, constructing a target acoustic event feature library including safety valve opening and battery exhaust characteristics, employing a sparse expert hybrid acoustic recognition model to intelligently identify and classify the acoustic signals, and establishing an acoustic region division mechanism based on the exhaust sound attenuation propagation equation. When a safety valve opening event is detected, the thermal runaway module is quickly located by comparing the peak values ​​of the cross-channel sound pressure level. The method continuously monitors the acoustic characteristics of battery exhaust and calculates the sound pressure level attenuation gradient, matching it with the regional acoustic feature library to achieve precise region location. Simultaneously, it predicts the diffusion path based on the thermal runaway propagation dynamics equation and dynamically adjusts the recognition model parameters, solving the technical problem of accurately locating the thermal runaway source.

The utility model provides an automatic laser marking press for a hub dust cover, which comprises a rack, a mounting plate arranged on the rack to form a marking station, a marking head shield arranged at the top of the rack, and a laser marking head positioned above the marking station in the marking head shield, a conveying assembly used for continuously conveying workpieces to the position below the marking station is arranged above the mounting plate. A lifting assembly used for jacking a workpiece to a marking station and a blocking assembly used for limiting the workpiece are arranged in a mounting hole of the mounting plate. A guide rod assembly used for limiting a workpiece, a plug pin assembly used for positioning the workpiece located on the lifting assembly to the marking station and an inductor used for identifying the type of the workpiece are arranged on the portion, located at the marking station, of the rack. According to the utility model, the hub dust covers of different models can be accurately positioned, so that the automation problem of laser engraving of the dust covers of different models is solved, and the working efficiency is improved.

The application belongs to the field of plant genetic breeding, and discloses a molecular marker closely linked to a pepper nuclear male sterility gene and application thereof, and specifically discloses a molecular marker closely linked to a pepper nuclear male sterility gene, wherein the molecular marker comprises Ind146 and / or Ind147, the sequence of the Ind146 consists of the nucleotide sequence shown in SEQ ID NO:1 and SEQ ID NO:2, and the sequence of the Ind147 consists of the nucleotide sequence shown in SEQ ID NO:5 and SEQ ID NO:6. The molecular marker provided by the application realizes fine positioning of the pepper nuclear male sterility gene, and lays a foundation for final cloning of the pepper nuclear male sterility gene and establishment of a molecular marker assisted breeding system. The molecular marker of the application can be simply, rapidly and high-throughput applied to pepper seed production and breeding practice.

The invention discloses a machine tool and method special for disassembling a locomotive axle box pull rod assembly, the machine tool comprises a support, displacement adjusting devices are symmetrically arranged on the support, and the displacement adjusting devices are movably connected with external driving equipment; one end of the lifting device is connected with the displacement adjusting device, and the other end is movably connected with the pull rod assembly; when the pull rod assembly is disassembled, the displacement adjusting device is driven by the external driving equipment to drive the lifting device, so that the pull rod assembly is separated from the locomotive axle box. Through the cooperation of the external driving equipment and the displacement adjusting device, the machine tool can rapidly and accurately position and adjust the pull rod assembly, and compared with traditional manual disassembly, the working efficiency is remarkably improved, and the time and labor intensity of manual operation are reduced.

The application discloses a coal seam roof local water-permeable skylight ground exploration treatment method, which realizes "from line to surface" regional fine positioning of a coal seam roof water-resisting soil layer missing area by means of a construction directional main hole and a plurality of branch holes. In this way, the problems of great drilling hole position arrangement blindness, great drilling engineering quantity, great coring engineering quantity, many invalid footage and low efficiency and the like of traditional "point position" and "pairing hole" type drilling and coring positioning of a soil layer missing area specific range are overcome. Meanwhile, the soil layer missing area is grouted and reconstructed by means of the construction directional main hole and the plurality of branch holes, so that the missing area is ensured not to exist, advanced grouting treatment of a concentrated water-permeable skylight in a coal seam mining process and control of a ground loose water-bearing layer gushing water and sand collapse and an underground water resource leakage source are realized, and the method is suitable for large-scale use and popularization in industry.

This invention relates to the field of magnetic field pose analysis technology and proposes a high-precision motion sensing and reconstruction method based on a matrix coil array. The method includes: generating multiple sets of regional guiding currents focused on different spatial regions; decoupling the coupling effect between coils in the matrix coil array to calculate the magnetic field distortion of the regional guiding currents in each spatial region; determining the region to be enhanced based on the comparison results of the magnetic field distortions; unilaterally enhancing the base current corresponding to the region to be enhanced to the actual target current of each coil; acquiring IMU data of the limb through a wireless sensing node; achieving precise limb positioning by driving the matrix coil array with the actual target current; determining the six-degree-of-freedom pose of the limb using the IMU data and the precise position; and converting the six-degree-of-freedom pose into a high-precision motion reconstruction result of the limb. This invention can overcome the influence of magnetic field distortion, thereby improving the accuracy of motion sensing.