404results about How to "Purposeful" patented technology

The invention relates to a conversation robot system. The system comprises a multimedia processing module, a multi-channel access module, a scene decision module, a daily conversation subsystem, a question-answer subsystem, an active conversation system, a task conversation subsystem and a state management module. According to the system, besides the abilities of daily conversation, knowledge questioning and answering and task conversation, a conversation robot further can actively trigger a series of specific conversation skills according to specific scenes, chat with a user, collect and verify answers of the user and execute corresponding service commands.

The invention discloses a method and a system for recommending friends to a user in a social network site. The method comprises the following steps of: S1, searching for the friends of the user; S2, searching for the friends of the friends of the user; S3, listing the friends the friends of the user have but the user does not have as people possibly known by the user; S4, computing the number of the common friends of the user and the people possibly known by the user; S5, sequencing the people possibly known by the user according a computing result; and S6, displaying a sequencing result in a page. In the method and the system, the friends can be autonomously recommended to the user based on the common friends of the user and the people possibly known by the user, so the possibility of commonality between the user and the recommended people is increased to make the user and the recommended people become friends more possibly, communication among the users and the social experiences of the users are further enhanced.

The invention discloses a method for obtaining a temperature-sensitive sterile line by performing site-specific mutagenesis on P / TMS12-1 through a CRISPR (clustered regularly interspaced short palindromic repeats) / Cas9 system. The method comprises the following steps: cloning and controlling a Pei'ai 64S temperature-sensitive sterile major gene P / TMS12-1 fragment; designing a target sequence according to the P / TMS12-1 sequence; constructing a pU3-gRNA carrier of the target-containing sequence fragment; constructing a pCRISPR / Cas9 carrier; obtaining a positive transgenic seedling by utilizing the pCRISPR / Cas9 carrier containing the target sequence fragment; screening a mutant plant from the positive transgenic seeding; performing subculture planting on the mutant plant to obtain the temperature-sensitive sterile line without transgenic components. According to the method disclosed by the invention, the CRISPR / Cas9 system is utilized to completely inactivate P / TMS12-1 non-coding RNA, and the temperature-sensitive sterile line without transgenic components is artificially cultivated. The method disclosed by the invention has the advantages of being strong in purposiveness, small in genome damages and capable of avoiding transgenic interference.

The invention discloses a spatial spectrum attention hyperspectral image classification method based on Octave convolution, and solves the problems of large class spacing, small different class spacing and low classification accuracy in the prior art. The scheme is as follows: inputting images to be classified and preprocessing data, dividing a training set and a test set, constructing an Octave convolutional neural network, determining a loss function of the Octave convolutional neural network, training and updating the Octave convolutional neural network, testing the data of the test set, and completing hyperspectral image classification. According to the method, Octave convolution operation is used to reinforce feature representation, and a spatial attention mechanism and a spectral attention mechanism are introduced, so that the network can more accurately find an area which is more beneficial to classification and contains more comprehensive and detailed information. The method ishigh in classification precision and strong in robustness, and can be applied to analysis and management of hyperspectral image data.

The invention discloses a method for controlling construction quality of an asphalt pavement in real time, which comprises the following steps of: 1, drawing a universal volumetric chart to evaluate volumetric parameter characteristics of various asphalt mixtures, and selecting a proportion of an asphalt mixture, which is suitable for the local environment and is difficult to segregate; 2, checking that whether volumetric parameter information of the asphalt mixture produced in the day meets requirements of design and construction specifications so as to quickly regulate the production process; 3, evaluating the aggregation condition of the asphalt pavement by using the universal volumetric chart; and 4, analyzing and judging the compaction degree condition and temperature condition of the asphalt pavement, judging the compaction qualified rate, judging the significance of the density data difference of the asphalt pavement, checking the construction quality of the asphalt pavement and providing quantitative basis for later period payment adjustment. The method has the advantages of reasonable design, high reliability, high operability, high real-time property, high efficiency of evaluating the construction quality of the asphalt pavement, and high practicability, and contributes to improving construction quality and saving economic cost.

The enzymically hydrolysis process of preparing fucan sulfate with brown algae includes the following steps: compounding composite cellulase with cellulase and pectase; enzymolyzing brown algae material via adding the composite water and cellulase at pH 6.0-8.0 for 50-80 min; heating at 90-100 deg.c in water bath for 3-4 hr, cooling to room temperature and centrifuging to obtain supernatant; adding alcohol to the supernatant to produce precipitate and centrifuging to obtain the second supernatant; adding alcohol to the second supernatant to produce precipitate and collecting the precipitate; washing the precipitate and vacuum freeze drying to obtain white powder. The said process has high extraction rate, low product cost, and less environmental pollution.

The invention discloses a method for precision advertising at online game players. The method comprises the steps of user behavior acquisition, user behavior classification and analysis, user advertising and advertisement information management. User behavior analysis is adopted in the invention, and the number of machines can be increased and reduced according to the current data volume so as to adapt to processing speed decrease caused by gradual acquisition data increase. During the process of advertisement information issuing, classified information data is sent to computer room nodes first, and then, the computer room nodes can increase the number of machines as required to cope with corresponding speed reduction caused by visit increase. As the data is sent to all the nodes, the situation in which sudden visit increase causes the whole service to be unavailable is not caused. Users can be helped to filter uninterested advertisement information, a relatively high-quality customer group can be provided for upstream manufacturers, and targeted advertising can be carried out according to different levels of customer groups.

The invention relates to a multimodality bionic body model applied to ultrasonic or nuclear magnetic resonance detection. The multimodality bionic body model comprises a tissue organ body model, a fixed base and a fluid control system, wherein the tissue organ body model comprises a plurality of body model units imitating human body tissue organs, the plurality of body model units are fixed on the fixed base conforming human anatomy structure according to the tissue organ positions of the human anatomy structure, the tissue organ body model and the fixed base are prepared from a non-metal material, the tissue organ body model is composed of an ultrasonic and nuclear-magnetic bionic material, and the fluid control system is used for analog control of the blood circulation and respiratory movement of the human body. The multimodality bionic body model integrates the body model units imitating a plurality of main tissue organs on a human body trunk position, and is simple in structure; and the body model units are fixed on the fixed base by adopting the anatomic position relation, so as to achieve the actual imitation effect.

The invention relates to an intelligent self-driven remote-control and remote-measuring solar buoy. The solar buoy is mainly composed of a self-driven system, a Fresnel lens, light-emitting diode (LED) flash lamps and an integrated control system. The solar buoy is characterized in that a solar photovoltaic component, a polymer lithium battery, LED light sources, a flash control module, a global positioning system (GPS) and a 3G wireless communication module and a system safety detection module are connected through a bus and integrated and sealed in a cavity formed by the lamp lens and the base; and the self-driven system is mounted at the bottom of the buoy. The intelligent self-driven remote-control and remote-measuring solar buoy has the advantages that the normal monitoring range is large, the fault alarm is timely, the locating accuracy is high, and the remote control function is strong, and when an anchor chain below the buoy is fractured, the buoy can correct the position automatically to return to an initial position.

The invention discloses a method for massively and efficiently developing molecular markers on the basis of Indel and SSR (simple sequence repeat) site techniques. The method comprises the following steps: (1) selecting at least 3 samples to be developed, and respectively extracting DNAs (deoxyribonucleic acids) of the samples to be developed; (2) carrying out enzyme digestion on the DNA samples of the samples to be developed, establishing a sequencing library, and carrying out sequencing; (3) mixing the genomes of all the samples to be developed, and assembling to obtain Contigs; (4) comparing the Contigs with the sequences of the sample individuals to be developed, and acquiring SSR sites with Indel inside according to the Indel and SSR site information as a candidate polymorphism SSR site; (5) designing primers according to the obtained candidate polymorphism SSR site, carrying out PCR (polymerase chain reaction) amplification and sequencing, and selecting a ribbon-shaped stable clear strip as molecular marker primers to be verified; and (6) carrying out PCR amplification on different samples to be developed by using the obtained molecular marker primers, and selecting the molecular markers with diversity, thereby obtaining the molecular markers. The method enhances the molecular marker development efficiency; and the developed SSR molecular markers can be efficiently applied to research in the aspects of genetics, multiplication release evaluation and the like.

The invention relates to a biofeedback photoelectric therapeutic device comprising an information collection system, a control system and a biofeedback therapeutic system, wherein the information collection system is used for collecting physiologic information of a human cranial part in real time and transferring the physiologic information to the control system for analysis treatment; and the control system is used for controlling the biofeedback therapeutic system according to an analysis treatment result of the physiologic information to carry out the photoelectric stimulation therapy of corresponding nervous system diseases. The biofeedback photoelectric therapeutic device is used for measuring biological, chemical or physical signals of related tissues, particularly focal tissues through the information collection system, and the biofeedback therapeutic system is used for adopting corresponding therapeutic measures according to detected signal data. The invention has specificity, selectivity, stronger purposive property and safer and effective therapy.

The invention discloses a method for separating and denoising a seismic wave field, comprising the following steps of: 1, reading seismic data, including m channels with each having n sampling points, into a two-dimensional array F1; 2, subjecting original seismic data F1 to linear correction to obtain L1; 3, subjecting the linearly-corrected seismic signal L1 to singular value decomposition; 4, processing a singular value series sigma1, and extracting a singular value sigma 2 reconstruction signal of a target signal to obtain L2; 5, subjecting the reconstructed signal L2 to linear inverse moveout correction in accordance with the time-distance rule of seismic wave velocity and seismic signals to obtain F2, and returning to an input data field; and 6, outputting the data F2 subjected to linear inverse correction in a seismic data format during input, thus separating and denoising seismic wave field are completed by combining linear correction with singular value decomposition. The method has the characteristic of thorough wave field separation.

The invention relates to an automobile driving environment detecting device, comprising a radar module, a shooting module and a central control module, wherein the radar module is used for forming a simulative image; the shooting module is used for forming an actual image; and the central control unit is used for processing the simulative image and the actual image, and outputting a working image formed by the simulative image and the actual image. The invention provides the automobile environment detecting device and a working process thereof, which use a modularization design principle, a combined control manner and an intelligent control means.

The invention discloses a method of preparing an instant nursing barley green product through using hot-air dehydrated barley grass powder as a raw material, and belongs to the technical field of research and development of health care foods. The method comprises the following steps: taking the hot-air dehydrated barley grass powder as the main raw material, adding other nutrient substances and food fillers (such as maltodextrin and beta-cyclodextrin) as processing auxiliary materials to produce the instant nursing barley green health care product, and specifically comprises the steps of extraction, concentration, mixing, pH value regulation, drying, packaging and the like. Compared with the conventional extraction method, the nutrients are extracted by a double-frequency ultrasonic wall breaking method from the hot-air dehydrated barley grass powder; the method is short in extraction time, high in nutrient extraction ratio and low in loss; the auxiliary materials can be added according to demands of different users, so that the quality of the barley green product can be improved, the product can achieve a better pertinence, and consumers can purchase the product with more accurate purposes; a low-temperature microwave vacuum spray drying method is adopted, so that the method is short in drying time, and low in damage to thermosensitive substances; the product is fine and smooth, and good in solubility.

The invention discloses a method that mobile terminal obtains ESG updating, and its kernel idea is that: when determining it is necessary, an ESG-providing server end actively informs the mobile terminal to make ESG updating. And the invention provides a server and a mobile terminal. And the invention avoids the mobile terminal from aimlessly and frequently making ESG updating check, so as to radically solve the problems of consuming terminal's processing ability and power caused by the ESG updating check.

The present invention relates to the field of interactive network television. Provided are a method and device for service recommendation. The method comprises: acquiring an earlier program that a client recently played in a current period; selecting a recommended program from a program cluster where the earlier program is located, and pushing information of the recommended program to the client, where the program clusters are acquired by division of existing programs by utilizing static characteristics of the programs; and / or pushing an advertisement to the client, where the advertisement is relevant to at least one program in the program cluster where the earlier program is located. The advertisement and program recommended per the solution of the present invention are provided with relevance and similarity to the program that the client played, and thus are of increased rationality; furthermore, the configuration of the program clusters allows a search for to-be-recommended advertisements and programs to be of increased purposiveness, thus increasing recommendation speed.

The invention discloses a method for filling mined coal to recover residual coal pillar and controlling the stability of a waterproof key layer. Glue filling and pumping devices are arranged in a tunnel formed by a coal-mined chamber, goafs on the two sides are filled with glue filling materials with aeolian sand as the main part, and the residual coal pillar is recovered after a to-be-filled bodyreaches certain bearing capacity; after the coal pillar is recovered, the goafs are filled with aeolian sand secondarily through a high-speed power throwing machine and a bulldozer. By means of the method, the earth surface natural aeolian sand material can be used to the maximum extent, the overlying waterproof key layer is effectively controlled, and a new technological method is provided for recovering the residual coal pillar in the ecological weak mine area in western China and protecting the ecological environment.

The invention discloses a parking guidance and reverse vehicle-searching system and a parking guidance and reverse vehicle-searching method based on Bluetooth positioning. The system and the method calculate a real-time position of Bluetooth terminal equipment by adopting a Bluetooth positioning algorithm, complete navigation by combining an optimal path planning algorithm, realize the effect of automatically and accurately navigating to a specific parking space in vehicle parking and picking up, effectively improve the parking and pick-up efficiency, improve the image of operation and management of a parking lot, and enhances the parking experience of a vehicle owner.

The invention is a multi-user mode channel managing method, setting multiple user modes in a TV set, and concretely comprising the steps of: defining, storing, reading and selecting, where the TV set receives user mode select command and calls out corresponding user chosen channel list from two or more user modes in memory; selecting a channel from the choise list to play. And it customizes the respective channel modes according to viewing choices of different users to make the users able to quickly switch to their loved program channels, adding human-based elements to TV management.

The invention provides a constructing method of precoding codebook for high level MIMO system, comprising the steps as follows: (1) searching the codebook with the rank being 1 based on unitary matrix; (2) according to the codebook with the rank being 1, constructing full rank codebook with the rank being M satisfying symbol set restrict and nested structure requirements; (3) constructing the codebooks corresponding to other ranks according to the full rank codebook. The method of the invention can commendably solve the problems that the operation process of searching the codebook in the prior art has complicated calculation and low efficiency, so the method in the invention can fast and efficiently search the codebook; and the constructed codebook has simple structure and is easy to be realized and can achieve excellent performance under various scenes, and improves the throughput and spectrum utilization of the high level MIMO system. Furthermore, the invention can facilitating the possibility of searching the codebook in better performance by changing the construction mode of the codebook, and can improve the whole performance of the construction codebook.

The invention provides a route forwarding method for the content internet. Before the method is implemented, a content routing table recording a content name prefix and a next-hop router is constructed and stored in advance according to the content name prefix of data stored in other routers in the current network. The method comprises the following steps of when any router receives a content request, inquiring whether data matched with a content name prefix requested by the current content request exists in a local cache or not; if so, enabling the router to send the data matched with the content name prefix requested by the current content request in the local cache to a requesting party of the current content request along the original route; otherwise, looking up a record matched with the content name prefix requested by the current content request in the content routing table locally stored in advance; and forwarding the current content request to the next-hop router recorded in the record matched with the content name prefix requested by the current content request. After the method is applied, the hit rate and the network forwarding efficiency of the data can be improved.

The invention discloses a method for separating and de-noising wave fields of longitudinal and transverse earthquake waves. The method comprises the following steps of: reading earthquake data of a sampling point into a two-dimensional array; performing normal time difference correction on the primary earthquake data; decomposing singular values of the earthquake data after the primary normal time difference correction; extracting singular value reconstruction signals of target signals; performing normal time difference back correction on the reconstructed data; outputting the data after the normal time difference back correction according to an earthquake data format during inputting so as to realize earthquake P-P wave separation and de-noising; performing normal time difference correction on earthquake records after the P-P wave is separated; decomposing singular values of the earthquake records after the secondary normal time difference correction; extracting the singular value reconstruction signals of the target signals; performing normal time difference back correction on the reconstructed data; outputting the data after the normal time difference back correction according to the earthquake data format during inputting so as to realize earthquake P-S wave field separation and de-noising; and outputting the data after the normal time difference back correction according to the earthquake data format during inputting. The method has the characteristic of thoroughly separating the longitudinal and transverse earthquake waves.

The invention relates to a digital down converter-Hilbert-Huang transform based instantaneous frequency measuring method, applied to the technical filed of radio. The method includes the following steps: 1) an original signal is subject to digital down conversion, and interested signal is converted into zero intermediate frequency; 2) the converted signal is subject to Huang transform, thus obtaining all the single frequency components; 3) each single frequency component signal is subject to Hilbert transform, and instantaneous frequency of the converted signal is solved; 4) the instantaneous frequency of the original signal is recovered according to the instantaneous frequency of the converted signal finally. The invention not only can show the advantage that the traditional Hilbert-Huang transform (HHT) can realize linearization and stabilization of non-linear and non-stationary signal, but also well overcomes frequency aliasing of the traditional HHT transform and shows higher frequency resolution. The invention is verified in a designed hardware system, and the algorithm can carry out effectively real-time estimation on frequency.

The invention relates to a manufacturing method for a lifting guide rail of a piece of side window glass of an automobile. The method comprises the following steps: selecting a midpoint connected with any point on the glass to be applied for serving as a tangent plane of the glass; extracting the characteristic line of a column B; connecting the characteristic line into a straight line by taking the midpoint in the tangent plane as an original point, and forming a normal plane of the straight line on the midpoint; projecting the characteristic line on the normal plane to obtain a projection line, forming a circle by selecting any three points from the projection line, and forming a cylindrical face; changing included angles between the midpoint of the tangent plant and the straight line of the characteristic line as well as between the midpoint of the tangent plant and the characteristic line to make intersecting lines fit the characteristic line of a boundary virtual guide rail, which is opposite to the column B, of the glass, and forming a spiral line fitting the characteristic line of the column B; forming a spiral line of the same thread pitch on another boundary according to the previous spiral line, wherein the two spiral lines are taken as lifting lines of the glass; manufacturing the glass lifting guide rail according to the lifting lines.

The invention relates to the technical field of preparation of monoclonal antibodies, and in particular relates to a preparation method of a monoclonal antibody and a kit thereof. The preparation method comprises the following steps: performing immunization on an animal by adopting an antigen, and taking immune spleen cells; fusing the immune spleen cells with myeloma cells to obtain fusion cells; detecting the fusion cells by adopting an indirect ELISA (enzyme-linked immunosorbent assay) method to obtain positive hybridoma cells; detecting the positive hybridoma cells by adopting a competitive inhibition ELISA method to obtain hybridoma cells with competitive reactions; sub-cloning the hybridoma cells with competitive reactions to obtain monoclonal antibody hybridoma cells; and excreting the monoclonal antibody hybridoma cells to obtain the monoclonal antibody. According to the preparation method provided by the invention, the monoclonal antibody is screened by adopting a method combining the indirect ELISA method and the competitive inhibition ELISA method, the operation is simple and convenient, the purposiveness is strong, the workload is small, and a high-quality hybridoma cell strain can be locked in a short time.

The invention discloses a line patrol operation obstacle removing device. The line patrol operation obstacle removing device comprises a clamping jaw device and a cutting device, wherein the cutting device is positioned on one side of the clamping jaw device; the clamping jaw device comprises a clamping jaw; a fixed plate and a movable block are arranged on two sides of the clamping jaw respectively; two clamping arms of the clamping jaw are arranged on the fixed plate through first fixed pins respectively; a second fixed pin is fixed on each of the two clamping arms of the clamping jaw; inclined grooves in positional correspondence to the second fixed pins are formed in the movable block; each second fixed pin penetrates through the corresponding inclined groove and is positioned on the lower part of the corresponding first fixed pin. The line patrol operation obstacle removing device provided by the invention is simple in structure, low in cost, convenient to implement, high in reliability, high in obstacle removing capacity and good in application prospect.

The invention belongs to the field of biotechnology and in particular relates to a polysaccharide extract of Chinese caterpillar fungi as well as a preparation method and application of the polysaccharide extract. The preparation method of the polysaccharide extract of the Chinese caterpillar fungi comprises the following steps: after submerged fermentation culture of mycelium of the Chinese caterpillar fungi, removing the mycelium of a fermented product by virtue of centrifugal separation to obtain a fermentation broth; after removing small molecule substances of the fermentation broth by virtue of ultrafiltration, concentrating the fermentation broth; and carrying out treatments of protein removal, ethanol precipitation, decoloring by hydrogen peroxide, dialysis and vacuum freeze-drying on the concentrated fermentation broth to prepare the polysaccharide extract of the Chinese caterpillar fungi. The preparation method is simple in process and is capable of carrying out efficient mass production with high quality. The prepared polysaccharide extract of the Chinese caterpillar fungi is nonhazardous to a human body, has good physiological function of reducing blood fat and can be used for developing a medicament or health food with the capability of reducing blood fat.

The invention provides a charge indicator of a high-voltage power transmission line. The charge indicator comprises an electricity obtaining unit, an adjusting unit and an indicating unit, wherein the electricity obtaining unit is arranged on the high-voltage power transmission line and obtains electricity from the high-voltage power transmission line in a sensing mode, the input end of the adjusting unit is electrically connected with the output end of the electricity obtaining unit, the adjusting unit is used for outputting stable direct-current electricity, and the indicating unit is electrically connected with the output end of the adjusting unit and is used for charge indication of the high-voltage power transmission line. According to the charge indicator of the high-voltage power transmission line, the whole device is powered up in an isolating electricity obtaining mode, the charge indicator has no contacts with the high-voltage power transmission line, and safety potential risks are avoided. The charge indicator can clearly indicate that whether the high-voltage power transmission line is charged or not, can send out fault information timely when the high-voltage power transmission line has a fault, can indicate the position where the fault appears, enables overhaul personnel to have a strong purpose in the overhaul process, facilitates timely elimination of the fault, improves work efficiency, and saves manpower.

The invention discloses a power system additional wide-area damping controller design method giving consideration to time lag, and the method comprises the steps: (1), enabling an oscillation mode with the weakest damping of a power system to serve as a target control mode, determining the optimal installation positions of AVR and FACTS equipment, further building a power system mode and a WADC model which comprise the AVR and FACTS equipment and do not give consideration to time lag; (2), introducing a time lag link on the basis of the power system mode and the WADC model which comprise the AVR and FACTS equipment and do not give consideration to time lag, and further building a closed loop time lag power system model giving consideration to a time lag factor; (3), building a WADC parameter-optimization mathematic model according to the closed loop time lag power system model; (4), employing a PSO algorithm, and solving the optimal parameters of WADC at step (3). The method gives consideration to the time lag factor in each iteration optimization process, employs the SOD algorithm to solve the key characteristic value of the right side of a closed loop time lag power system, so as to achieve a big purpose that the damping of the key characteristic value is the biggest.

The invention discloses a gas-containing-coal multistage permeability increasing method. The gas-containing-coal multistage permeability increasing method includes the steps that firstly, the geological conditions of a coal seam hosting region, the coal metamorphism degree, the coal class and gas parameters are determined; secondly, according to whether a coal seam is located at a fault portion or a fold portion, different schemes are adopted to achieve first-stage permeability increasing of gas containing coal and detect the permeability increasing effect, and if a preset effect is achieved, permeability increasing of the whole coal seam is carried out with the first-stage permeability increasing scheme; thirdly, if the preset effect is not achieved, on the basis of the first-stage permeability increasing, second-stage acidification permeability increasing is carried out on the gas containing coal; finally, after the second-stage acidification permeability increasing is completed, gas extraction is carried out on the gas containing coal. According to the gas-containing-coal multistage permeability increasing method, different permeability increasing schemes are formulated according to the geology of different coal-seam hosting regions, and high pertinence is achieved; meanwhile, after multistage permeability increasing is adopted, the gas permeability of the coal seam is greatly improved, and the gas extraction rate is increased.