36results about How to "Simplified selection method" patented technology

The invention discloses molecular markers closely linked to an RBSDV (rice black-streaked dwarf virus) major QTL (quantitative trait locus). The essence of the invention is that according to the linkage and segregation rules, the F2 population of the hybrid generation of Tetep and RBSDV susceptible varieties is taken as the mapping population and the SSR (simple sequence repeat) markers RM5626 and RM7097 on the No.3 chromosome, which are closely linked to the RBSDV resistant major QTL are obtained through analysis of linkage between the results of evaluation of disease resistance and the SSR marker data. Whether a plant has resistance to RBSDV can be judged by detecting the SSR marker banding pattern of the single rice plant of the hybrid combination generation of Tetep and derived varieties (lines) thereof and the RBSDV susceptible varieties. After the SSR markers are applied to assistant selection breeding of the RBSDV resistant varieties of Tetep and derived varieties (lines) thereof/RBSDV susceptible varieties, the defects of poor stability and repeatability of RBSDV resistance evaluation, time and labor waste, high technical threshold and the like in conventional breeding can be overcome and the results can conduce to simplifying the selection method and improving the breeding efficiency and then accelerating the breeding process of RBSDV resistant varieties.

The present invention discloses a D2D (Device-to-Device) link selection method of social information fusion in multi-cell scenes. The method comprises the following steps: the step 1: performing degeneration of multi-cell D2D communication scenes into D2D communication scenes for coexistence of two cells of origin for researching, performing classification of users through a base station according to the user position distribution in a network to allow the users to perform interference distinguishing; the step 2: employing an alliance having untransferable effectiveness to form a game to perform link selection for an in-cell D2D pair of the same cell where two users are located; and the step 3: performing link selection of cross-cell D2D pairs of two cells where two users are located, and considering the equalization of the cross-cell D2D pairs for the link resource usage of the two cells in the link selection process. The link selection method is simple to realize and small in signaling cost, and can ensure the equalization of the cross-cell D2D pairs for the link resource usage of two cells.

The invention discloses a video image intra-frame encoding unit texture analysis and encoding unit selection method. The method includes performing texture analysis on video image intra-frame encoding units according to first texture complexities, and selecting the encoding unit by comparing the first texture complexities. The first texture complexities are of variances of local range values of all pixels of one encoding unit; the local range value is of the difference of a maximum pixel value and minimum pixel value of one pixel in a local range, and the local range is of pixels adjacent to the pixel. The method is simple and rapid to implement, and the encoding time is shortened greatly on the premise of guaranteeing the video image quality.

The invention discloses molecular markers closely linked to an RBSDV (rice black-streaked dwarf virus) major QTL (quantitative trait locus). The essence of the invention is that according to the linkage and segregation rules, the F2 population of the hybrid generation of Tetep and RBSDV susceptible varieties is taken as the mapping population and the SSR (simple sequence repeat) markers RM202 and RM7120 on the No.11 chromosome, which are closely linked to the RBSDV resistant major QTL are obtained through analysis of linkage between the results of evaluation of disease resistance and the SSR marker data. Whether a plant has resistance to RBSDV can be judged by detecting the SSR marker banding pattern of the single rice plant of the hybrid combination generation of Tetep and derived varieties (lines) thereof and the RBSDV susceptible varieties. After the SSR markers are applied to assistant selection breeding of the RBSDV resistant varieties of Tetep and derived varieties (lines) thereof/RBSDV susceptible varieties, the defects of poor stability and repeatability of RBSDV resistance evaluation, time and labor waste, high technical threshold and the like in conventional breeding can be overcome and the results can conduce to simplifying the selection method and improving the breeding efficiency and then accelerating the breeding process of RBSDV resistant varieties.

The present invention provides a user selection enhancing unit 300, an enhanced scheduling unit 501', a multi-user-multi-input-multi-output, MU-MIMO communication system 500 and a method 100 for enhanced user selection in a multi-user-multi-input- multi-output, MU-MIMO communication system 500, the method comprises the following steps: determining 101 at least one system operating value 302 that indicates the actual systems performance; calculating 102 a number K* of user's equipments, UE, to serve simultaneously in the system on the basis of a signal-to-interference-plus-noise- ratio, SINR, value, wherein the SINR value is determined based on the at least one system operating value 302; and providing 103 the calculated number K* of UEs to serve to a scheduling unit 501, 501' for selectingat least one user S.

The invention discloses a selection method for a fine individual plant of 4-terpilenol type cajeput. According to the selection method, a cajeput plant is subjected to individual plant primary selection, breeding and tending and individual plant secondary selection to obtain the fine individual plant of which the content of 1,8-eudesmin is less than 3.0 percent and the content of the 4-terpilenol is more than 39.0 percent in essential oil. The quality of the produced essential oil is superior to the international standard of the like products. The selection method disclosed by the invention is simple and can be used for obtaining high oil yield of branches and leaves.

The invention discloses a receiver selection method, wireless equipment and a storage medium, and belongs to the technical field of communication. An air interface environment analysis result can represent the channel characteristics between one or more STAs and the wireless equipment, the wireless equipment can automatically select the receiver for receiving data according to the air interface environment analysis result, the selection method is simple, and the switching efficiency of the receiver is high.

The invention discloses a molecular marker separated from a low-polyphenol-oxidase-activity gene QPpo-5D of wheat and belongs to the technical field of agrobiology. A recombinant inbred line RIL colony is constructed through hybridizing wheat germ plasm with extremely low polyphenol oxidase activity and wheat germ plasm Yangmai with high PPO activity, and a resistant gene is located to a stained 5DL5-0.76-1.00 section through a wheat molecular marker technology. In order to explore novel molecular markers of the low-PPO-activity gene QPpo-5D, a KASP marker AX-110939270 is developed by using anSNP marker conversion method. The marker, as a novel molecular marker of the low-PPO-activity gene QPpo-5D, can be better applied to assisted selecting of low-PPO-activity varieties of the wheat, sothat shortages of conventional breeding are overcome, a selecting method is simplified, the efficiency of breeding is increased, and thus, a breeding progress of high-whiteness and high-quality varieties is accelerated.

The invention relates to a fuse specification determination method and system of a fusing type overvoltage protection device, a terminal and a medium, and belongs to the technical field of power system overvoltage and insulation protection. The fusing type overvoltage protection device comprises a wire inlet end, a wire inlet end fuse FU1, a star-connected nonlinear resistor disc, a wire outlet end fuse FU2 and a wire outlet end which are sequentially connected in series. The method comprises the following steps: acquiring parameters of a nonlinear resistor disc; generating a lightning impulse characteristic curve and a square wave through-flow characteristic curve based on the parameters of the nonlinear resistor disc; determining a boundary curve based on the lightning impulse characteristic curve and the square wave through-flow characteristic curve; and obtaining a candidate fuse wire type selection specification curve, so as to determine whether the fuse wire specification corresponding to the candidate fuse wire type selection specification curve meets the requirement based on the position relationship between the candidate fuse wire type selection specification curve and the boundary curve. The fuse selection method has the effect of simplifying the fuse selection method of the fuse.

The invention discloses an exposure value selection method for measuring three-dimensional structured light on surfaces with different reflectivity, which can avoid area overexposure and improve the accuracy of single optimal exposure coverage pixel measurement, and comprises the following steps of: acquiring an image, obtaining a prediction attempt image, judging whether an overexposure area exists in the prediction attempt image, if not, stopping, and if so, stopping the operation; and if the ratio of qualified pixels in the predicted attempt image is greater than or equal to 95%, multiple exposure selection is carried out, and the multiple exposure selection comprises the steps of S1, exposure initialization, S2, selection of multiple exposures by using a pixel filter, and S3, determination of a next exposure value through optimization, and the steps S1 to S3 are repeatedly executed until the ratio of qualified pixels in the predicted attempt image is greater than or equal to 95%.

The invention discloses molecular markers linked with an Aphelenchoides besseyi Christie resistant QTL (quantitative trait locus). The essence of the molecular markers is that according to the linkage and segregation rules, the population of the hybrid generation F2 of the Aphelenchoides besseyi Christie resistant variety Tetep and the susceptible variety Huaidao 5 is taken as the mapping population, and the SSR (simple sequence repeat) markers RM5526 and RM3912, linked with the Aphelenchoides besseyi Christie resistant QTL, on the chromosome 9 are obtained through analysis of linkage between the identification results of Aphelenchoides besseyi Christie resistance and the SSR marker data. Whether a plant has Aphelenchoides besseyi Christie resistance can be judged by detecting the SSR marker banding pattern of the single rice plant of the hybrid combination generation of Tetep and derived varieties (lines) thereof and the Aphelenchoides besseyi Christie susceptible variety. After being applied to assistant selection breeding of the Tetep and derived varieties (lines) thereof/susceptible variety-Aphelenchoides besseyi Christie resistant variety, the SSR markers can overcome the defects of poor stability and repeatability of Aphelenchoides besseyi Christie resistance identification, time and labor waste and the like in conventional breeding and can simplify the selection method and improve the breeding efficiency so as to accelerate the breeding process of the Aphelenchoides besseyi Christie resistant variety.

A process for selecting a mask producer for semiconductor wafer photomask production from at least two masks comprises storing a maximum surface pattern for each, storing the relative cost based on the area ratio for the patterns, storing the specification data, finding the pattern forming ratio and selecting a mask on the basis of the price. An Independent claim is also included for an additional process using many patterns.

The present invention discloses a method for selecting an improved variety of a fir timber forest from mixed line common seedlings of local fir provenances. The method comprises the steps of selectingannual fir seedlings as parents in proportion in a fir production nursery in which local mixed line seeds are used for sowing, cultivating original plants of the parents into clones in a cloning manner, selecting relatively good clones as excellent clones from the clones, selecting one especially excellent clone as the improved variety of the fir clone timber forest from the excellent clones, andnaming the improved variety as Jinlin No.1. According to the method, a mode of selecting the improved variety of fir is innovated, and a new way for selecting the improved variety of the fir is created; a new variety of the fir can be selected out in a production period, so that the time of selecting the improved variety is shortened; and the selection method is scientific and simple, a selectionresult is accurate and reliable, and the defect of uncertainty of the offspring yield-increasing effect due to genetic shift is overcome.

The invention discloses a rootstock selecting method for domestic mainly-planted varieties of cerasus. The rootstock selecting method includes the following steps that S1, the domestic main varietiesare selected, and scion materials are further selected; periphery, middle and upper branches of the annual different domestic main varieties of cerasus are selected and used as grafting scions; S2, the scions are treated, and the scions are collected when the cherry blossoms of the cerasus do not yet bud and refrigerated at low temperature; S3, rootstocks are selected, and the selected rootstock species include Cerasus serrulata rootstocks, Prunus conradinae rootstocks, and Prunus dielsiana Schneid rootstocks; S4, a grafting operation is carried out when the rootstocks begin to sprout; S5, management is carried out after grafting, and in the later period, after incisions are healed, bandages can be removed; and S6, the grafting success rate of different domestic mainly-planted varieties ofcerasus on different types of rootstocks is counted and recorded. The rootstock selecting method for the domestic mainly-planted varieties of cerasus is simple and easy to operate.