13results 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 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 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.

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 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 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 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 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 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 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.

This invention provides a mold pre-compression sealing method, system, computer equipment, and storage medium. The method includes: obtaining the mold dimensions and target pre-compression range of the target mold's sealing position; determining a target stretching comparison table based on the groove bottom fitting diameter of the sealing position; determining the allowable wire diameter range of the sealing ring to be stretched and fitted to the sealing position based on the mold dimensions and target pre-compression range; identifying all sealing rings in the target stretching comparison table whose stretched wire diameter matches the allowable wire diameter range as candidate sealing rings; selecting the target sealing ring from all candidate sealing rings, stretching and fitting the target sealing ring to the sealing position, and then performing a pre-compression sealing operation on the target mold. The target sealing ring ultimately determined by this invention provides a pre-compression within the target pre-compression range, preventing damage and leakage, thus avoiding human selection errors and the risk of sealing failure.

This invention relates to the field of plant breeding technology, and particularly to SNP loci related to the oil content of Camellia oleifera seed kernels in Hainan and their applications. The SNP loci include one or more of Chr27_83344296, Chr43_56056639, or Chr15_65268299; Chr27_83344296 is located at position 83344296 on chromosome 27, with a polymorphism of G / T; Chr43_56056639 is located at position 56056639 on chromosome 43, with a polymorphism of C / T; and Chr15_65268299 is located at position 65268299 on chromosome 15, with a polymorphism of G / A. By detecting the polymorphism of these SNP loci, the oil content of Camellia oleifera seed kernels in Hainan can be detected at the seedling stage, significantly reducing production costs and improving selection efficiency, thus possessing significant application value.