1437results about How to "Improve selection efficiency" patented technology

The invention provides a functional molecular marker for rice anti-blast gene Pi9 and application thereof, belonging to the field of crop molecular genetic breeding science. The invention finds out that the rice anti-blast gene Pi9 has a 10bp insertion/deletion site positioned between the gene promoter -516 and -517, wherein the nucleotide sequence is disclosed as SEQ ID NO.1; and on such basis, the invention develops a method of the functional molecular marker for gene Pi9. By detecting the functional molecular marker, the invention can accurately detect whether genomes of different rice species contain the Pi9 functional gene and detect the homozygotic state, and can be used for screening rice hybrid transformed descendant plants to enhance the breeding efficiency of the rice anti-blast material, thereby effectively controlling the size of the breeding population, obviously saving the breeding and screening cost and obtaining the anti-blast rice species containing the Pi9 functional gene.

The invention discloses an operation control method and device of a virtual object in a game and a mobile terminal. The method is applied to the mobile terminal capable of presenting a graphical userinterface on a screen, and comprises the steps of determining second virtual objects satisfying target conditions as target second virtual objects in response to a first touch operation acting on thegraphical user interface, wherein the distance between each second virtual object and a first virtual object is in accordance with a preset threshold value, and the first virtual objects execute a corresponding action according to an operation instruction received by the mobile terminal; generating an object selection control according to the target second virtual objects, wherein the object selection control comprises an object identifier; determining at least one object identifier according to the second touch operation and selecting the target second virtual objects corresponding to the object identifiers in response to the second touch operation acting on the object selection control. The method solves the technical problems of low selection efficiency and poor accuracy of game objectsin existing multi-player team games.

The invention discloses a thermo-sensitive male fertility gene and an application thereof and also discloses a genetic marker of the thermo-sensitive male fertility gene, and provides a protein coded by the thermo-sensitive male fertility gene and a carrier containing the thermo-sensitive male fertility gene and a recombinant microorganism. The invention also discloses the application of the thermo-sensitive male fertility gene in cultivating a thermo-sensitive male sterile line and an application of the genetic marker in rice breeding. The thermo-sensitive fertility gene TSSNR is acquired through the map-based cloning technique of Annong S-1 thermo-sensitive sterility gene locus tms5, functions of the gene are validated through transgene experiments, and the transgene technique of RNAi or antisense RNA or the over-expression dominant negative principle is provided, functions of the TSSRZ gene in normal rice varieties are incapable, so as to cultivate the thermo-sensitive male sterile line, and the application value is significant.

The invention discloses a text content selecting method utilizing multi-point touch control. The method includes the steps of firstly, detecting whether a preset touch event occurs on a touch screen or not, if so, entering the next step; secondly, detecting whether a slide event occurs on a selectable text interface; thirdly, selecting text contents in the interface according to slide trajectory of the slide event. By the method, double optimization on rapidness and easy operability of text selection can be achieved.

The invention discloses a method and a device for transmitting data, which are applied to wireless local area networks adopting a plurality of antennas. The method comprises the following steps of: keeping the current antenna assembly unchanged after successfully transmitting a first message to an opposite end; improving transmission velocity to transmit the next message until the maximum velocity of successfully transmitting the message under the condition of the current antenna assembly is reached, and transmitting the rest messages at the maximum velocity; keeping the current transmission velocity unchanged if the first message is not successfully transmitted, and switching to other antenna assembly to transmit the next message; improving the transmission velocity to transmit the next message if the message is successfully transmitted until the maximum velocity of successfully transmitting the message under the condition of the current antenna assembly is reached; and reducing the transmission velocity to transmit the next message if the message is not successfully transmitted until the message is successfully transmitted, and transmitting the rest message at the detected transmission velocity. The method and the device can improve transmitting parameter selection efficiency and real-time, and system throughput.

The invention discloses a support vector machine (SVM) based prediction method for the degradation tendency of super-capacitor capacitance value. The prediction method utilizes the regression function of the support vector machine to predict the degradation tendency of the super capacitor capacitance value and comprises: 1) pre-processing the input value and the output value; 2) carrying out trainings to the training set data for a regression estimation function; 3) using the particle swarm optimization algorithm to automatically optimize the relevant parameters of the support vector machine; 4) according to the optimization result, configuring the corresponding parameter values of the support vector machine; substituting the training set data into a correlation vector machine model to obtain a regression prediction model for the degradation tendency of the capacitance value; and 5) substituting the training set data into the regression prediction model to obtain the degradation tendency of the capacitance value. According to the invention, it is possible to conduct online prediction to the degradation tendency of the capacitance value. Through the introduction of a particle swarm optimization algorithm to modify the parameter optimization method, the prediction efficiency and accuracy of the algorithm are increased so that it can be applied in a larger scope.

The present invention relates to microfluidic chips and their use in SELEX. The microfluidic chip preferably includes a reaction chamber that contains a high surface area material that contains target. One preferred high surface area material is a sol-gel derived material. Methods of making the microfluidic chips are described herein, as are uses of these devices to select aptamers against the target.

The embodiment of the invention discloses a caching method and equipment of multi-process HARQ (Hybrid Automatic Repeat Request) data. Through the technical scheme of the embodiment of the invention, the caching space resource of a base station is divided into a plurality of caching space blocks and the relative caching space blocks are managed through a caching space chain table; and data are stored in the relative caching space blocks according to the types of the received data so that the relative caching space blocks occupied by each process can be dynamically adjusted, the utilization rate and selection efficiency of the caching space resource are improved, and the processing efficiency and throughput of a system are improved.

The method comprises: in the ID information corresponding to each PLMN in the PLMN selection list, setting the indication information used for indicating each radio access approach in order to make a radio terminal capable of fast and accurately selecting the corresponding radio access approach in term of the indication message so as to improve the efficiency of selecting radio terminal.

The invention relates to a molecule tagging method for a brown paddy plant hopper resistant master gene Bph3 of rice cultivars, which belongs to the technical field of genetic thremmatology. The brown paddy plant hopper resistant master gene Bph3 of an insect resistant variety Rathu Heenati is obtained by genetic linkage analysis of the brown paddy plant hopper resistant level of gene types of various single plants of F2 and various genealogies of F 2:3 obtained after hybridization of the insect resistant rice variety Rathu Heenati (female) and an insect susceptible variety 02428(male). The gene is positioned between a molecular marker A4 and a molecular marker RM16533, and the selection efficiency of three Indel indexes namely RH784, RH786 and RH007 of the interval is approximately 97 percent. Detection is made whether the insect resistant variety Rathu Heenati and derivative varieties (systems) of the insect resistant variety Rathu Heenati contain the master gene through the molecular markeres of the brown paddy plant hopper resistant master gene; the brown paddy plant hopper resistance level of the master gene can be predicted; and the selection efficiency of brown paddy plant hopper resistant rice can be greatly improved.

The invention discloses a molecule marking method of a rice blast-resisting gene, belonging to the field of crop molecule heredity and breeding. The method comprises the following steps: (1) taking a rice sample and extracting a genome DNA (Deoxyribose Nucleic Acid) of the rice sample; and (2) carrying out PCR (Polymerase Chain Reaction) amplification on the genome DNA of the rice sample by utilizing any one pair of molecule-marked primers in RM6091 and RM26632, carrying out electrophoresis detection on a PCR amplification product, and if a molecule-marked DNA segment with corresponding size is amplified, showing that a Pi-bdl(t) gene exists. Through rice blast-resisting gene Pi-bdl(t) molecule marking in the invention, whether thin rice as well as crossbred descendants, backcross descendants and multiple cross descendants thereof contain the gene can be detected, the resistance level of the gene on rice blast can be forecasted, the selecting efficiency of rice blast resistant materials can be greatly increased, and the breeding process for disease resistance can be accelerated.

The invention discloses a satellite selection method and a satellite navigation positioning method applying the satellite selection method. The satellite selection method comprises: calculating the elevation angles and azimuth angles of searched visible satellites; sequencing the visible satellites in an increase order in terms of the elevation angle and selecting at least five top invisible satellites as candidate satellites; obtaining, from the selected candidate satellites, all the combinations by taking three satellites as a group; and selecting the group with the highest uniformity in terms of azimuth angle sequencing from all the combinations as the three satellites for the use for satellite navigation positioning. The satellite selection method provided by the invention has a smaller calculation amount than that of a GDOP-based satellite selection method so that the fast satellite navigation positioning is realized.

The invention relates to a rice variety 9194 black streaked dwarf restricting locus and a molecular marking method thereof. Four rice variety 9194 black streaked dwarf restricting locus are obtained by carrying out genetic linkage analysis on the black streaked dwarf resistance level of the genotype of an F2 single plant obtained from hybridization of the black streaked dwarf restricting rice variety 9194 and susceptible variety suyunuo and the corresponding F2:3 family, wherein qRBSDV3 is positioned between the markers RM282 and RM14898, qRBSDV6 is positioned between the markers RM20069 and RM30, qRBSDV9 is positioned between the markers RM3912 and RM257, and qRBSDV11 is positioned between the markers RM26062 and RM536. The molecular markers of the black streaked dwarf restricting gene are used for detecting whether the resistant variety 9194 and the derived varieties contain the black streaked dwarf restricting locus, so that the resistance level of the black streaked dwarf can be predicated, and the selecting efficiency of the black streaked dwarf restricting rice is greatly improved.

The invention relates to detection primers for molecular markers in close linkage with a major QTL (Quantitative Trait Locus) of wheat ear length and an application of the detection primers. The detection primers for the molecular markers include an upstream primer, having a nucleotide sequence as shown in SEQ ID NO.1, of the molecular marker XWMC112 and a downstream primer, having a nucleotide sequence as shown in SEQ ID NO.2, of the molecular marker XWMC112, and an upstream primer, having a nucleotide sequence as shown in SEQ ID NO.3, of the molecular marker XCFD53 and a downstream primer, having a nucleotide sequence as shown in SEQ ID NO.4, of the molecular marker XCFD53. The molecular marker XWMC112 and the molecular marker XCFD53 are studied and found for the first time, and can be used for quickly determining whether a wheat variety or strain has the QTL of the ear length, and thus quickly screening out the wheat variety or strain having the QTL for increasing the ear length, and therefore, the breeding progress of a high-yield wheat variety can be accelerated.

The invention discloses a molecular marker in close linkage with rape crotch angle character QTL (Quantitative Trait Loci) and application. The molecular marker is characterized by carrying out hybridization by taking cabbage type rape variety Shanghai oil 19 as a female parent and Purler as a male parent, establishing F2 segregation population through selfing of hybrid F1, and analyzing, thus obtaining a crotch angle locus qBA1.A06; designing a primer by utilizing an Indel marker at the boundary of the crotch angle locus qBA1.A06 so as to detect the parents and the F2 population, thus obtaining a molecular marker BAIndel76 and a molecular marker BAIdenl79 which are in close linkage with the crotch angle character QTL; identifying a rape gene type formed after hybridization of the two parents by utilizing a marker primer, and carrying out auxiliary selection by utilizing the marker, thus greatly increasing the selection efficiency. According to the molecular marker disclosed by the invention, a novel genetic marker is provided for molecular breeding of the rape plant type, and useful information is also provided for accurate positioning on the crotch angle character QTL of the cabbage type rape and map-based cloning on related genes.

The invention discloses a method for improving the culture selection efficiency of the hybrid rice. The method is characterized by comprising the following steps: selecting a good plant line in the field with the reference to restorer line Kehui 675: selecting the restorer line Kehui 675 with a great restoring ability as a female parent and the LAC 23 which contains a rice blast resistant gene Pi-1 and comes from Libya as a male parent to obtain a F1 hybrid seed through hybridization; carrying out the inbred of the inbreeding of the F1 hybrid seed to obtain a F2 generation seed; establishing a parent tropic selection group with the reference to the F2 generation seed; harvesting the selected parent tropic individual plant and the Kehui 675 seed; making use of the differential molecular mark between the Kehui 675 and the LAC23 to select the plant line containing the rice blast resistant gene Pi-1 with the reference to the mark of the LAC23; and through the cross selection of parental pair comparison and pedigree seed selection, obtaining the F6 generation and selecting the public plant line with a strong restoring ability and rice blast resistance. The method has the advantages of improving the selection efficiency, polymerizing a plurality of advantageous genes, and creating new excellent resources.