693results about How to "Rich diversity" patented technology

The invention discloses a question and answering (QA) system realization method based on deep learning and a topic model. The method comprises the steps of: S1, inputting a question sentence to the Twitter LDA topic model to obtain a topic type of the question sentence, extracting a corresponding topic word, and indicating the input question sentence and the topic word as word vectors; S2, inputting word vectors of the input question sentence to a recurrent neural network (RNN) for encoding to obtain an encoded hidden-layer state vector of the question sentence; S3, using a joint attention mechanism and combining local and global hybrid semantic vectors of the question sentence by a decoding recurrent neural network for decoding to generate words; S4, using a large-scale conversation corpus to train a deep-learning topic question and answering model based on an encoding-decoding framework; and S5, using the trained question and answering model to predict an answer to the input questionsentence, and generating answers related to a question sentence topic. The method makes up for the lack of exogenous knowledge of question and answering models, and increases richness and diversity of answers.

The invention discloses a method for generating and beautifying handwritten characters with a computer. The method is realized by learning a certain amount of hand written character samples. The method comprises the following steps: decomposing and parameterizing the strokes of five to twenty different handwritten character samples for the same character, and converting each character into the form of sample vector by the image processing method; linear interpolation is conducted among characters to obtain new handwritten characters; evaluating each new character by an automatic computer evaluation method of character writing form aesthetic degree; and adjusting interpolation coefficients repeatedly through a nonlinear programming optimization method so as to achieve the effect of beautifying the character. The system of the invention can automatically generate handwritten characters with better aesthetic degree, and improve the aesthetic degree of handwritten characters of a user on the basis of reserving the basic characteristic of the handwriting of the user.

The invention relates to a mobile-robot route planning method based on an improved genetic algorithm. A raster model is adopted to preprocess a working space of a mobile robot, in a rasterized map, an improved rapid traversing random tree is adopted to generate connections of several clusters between a start point and a target point, portions for the mobile robot to freely walk on in the working space are converted into directed acyclic graphs, and a backtracking method is adopted to generate an initial population which is abundant in diversity and has no infeasible path on the basis of the directed acyclic graphs. Three genetic operators, namely a selection operator, a crossover operator and a mutation operator, are adopted to evolve the population, wherein the selection operator uses a tournament selection strategy, the crossover operator adopts a single-point crossover strategy, and the mutation operator adopts a mutation strategy which displaces an aberrance point with an optimal point in eight-neighbor points of the aberrance point. A quadratic b-spline curve is adopted to smooth an optimal route, and finally, a smooth optimal route is generated. According to the method, the route planning capability of the mobile robot under a complex dynamic environment is effectively improved.

The invention relates to an alkaline buffering solution for establishing a DNA coding compound library and an application thereof. The alkaline buffering solution is a boric acid buffering solution with the concentration of 250mM, the electric conductivity of the boric acid buffering solution is 5177ppm+/-10 percent, the density is 1.0246 g/mL+/-3 percent, and the pH is 9.4+/-0.1. The buffering solution has the characteristics of wide substrate application range and high universality and is applied to the amide synthetic reaction of DNA-CO2H and small molecular organic amine and applied to thereduction ammonolysis reaction for generating imine from DNA-NH2 and small molecular organic aldehyde and reducing the imine by virtue of sodium borohydride, and has the advantage of high conversionrate. The various alkaline buffering solutions prepared in the invention and used for synthesizing the DNA coding compound library is mild in reaction conditions, simple in operation, wide in substrate application range, relatively high in applicability and suitable for the mass synthesis of the DNA coding compound library.

A system and method for processing and analyzing virtual microscopy digital images (“virtual slides”) is provided. The system comprises an algorithm server that maintains or has access to a plurality of image processing and analysis routines. The algorithm server additionally has access to a plurality of virtual slides. The algorithm server executes a selected routine on an identified virtual slide and provides the resulting data. The virtual slide can be accessed locally or remotely across a network. Similarly, the image processing routines can be obtained from local storage or across a network, or both. Advantageously, certain common sub-routines may be stored locally for inclusion in other local or remotely obtained routines. Access to image processing and analysis may be restricted through a monitor process that authenticates requests to process or view virtual slides. Variations in restrictions to images provide a rich diversity in access levels that allow sharing of virtual slides and demonstrations of image processing algorithms.

The invention discloses a method for building a near-natural forest for a subtropical city. The method is characterized in that deciduous broad-leaf trees with seedling age as 4-5 years and evergreen broad-leaf trees with the seedling age as 2-3 years are adopted for building a different-age multiple-layer deciduous-evergreen broad leaf mixed near-natural forest. The lower layer of the mixed near-natural forest is evergreen broad-leaf trees with seedling height as 0.2-1.0 meter accounting for 70% of mixed biocoenosis, the upper layer of the mixed near-natural forest is deciduous broad-leaf trees with seedling height as 1.5-2.5 meters accounting for 30% of the mixed biocoenosis, a different-age biocoenosis structure is formed, and view of the near-natural forest for the subtropical city is fast built. Compared with the prior art, the method is simple, the near-natural forest is easy to build, low in cost, complete in biocoenosis structure, rich in diversity of species, high in biomass and less in manual management. The method is especially suitable for building the subtropical near-natural forest view for cities in a Yangtze river delta area.

A multifunctional in-situ electrochemical measuring device used for the tension test belongs to the electrochemical field. The multifunctional in-situ electrochemical measuring device used for the tension test is characterized in that a reference electrode, an auxiliary electrode and a working electrode are arranged in a top cover of the multifunctional in-situ electrochemical measuring device according to design and measurement requirements; the conductive wires of all the electrodes are connected with an electrochemical workstation; the air input of an air inlet and the air output of an air outlet are adjusted; an installed heating resistor and a thermocouple are connected with a temperature controlling device; the water flow of a water inlet and the water flow of a water outlet are adjusted, and the water inlet and the water outlet are connected with an externally connected water pump. The rotation time of a stepping motor is set, electrochemical parameters of a tensile test sample are measured after the temperature and the pressure are increased to the parameters required by the tension test, and the tension test is conducted after the force of the tensile test sample is adjusted. The multifunctional in-situ electrochemical measuring device used for the tension test has simple and easy method, can measure the electrochemical parameters of the tensile test sample in a long time and can simulate the temperature, the moisture, the gas, the alternation of wetting and drying, the surface scouring, the multiphase medium and complex environment of the tensile test sample.

The invention belongs to the field of food processing and relates to processing and application of soybean protein isolate, specifically to a grain-compounded soybean protein snack dried bean curd. The grain-compounded soybean protein snack dried bean curd comprises the following raw materials: soybean protein, plant oil, modified starch, salt, sugar, monosodium glutamate, salty essence, complex gum, grain particles, transglutaminase (TG) and water. Through controlling the integral processing technology of the dried bean curd, especially chopping and mixing time and material adding sequence of the processing technology and process parameters like marinating temperature and time, the dried bean curd which is good in moisture and temperature control and taste and hard to deteriorate in production and consumption is prepared.

The invention discloses a three-dimensional time sequence dynamic model based mobile phone game recommendation system. The system comprises a user behavior data acquisition module, a game information acquisition module, a user behavior analysis module, a game label module, a time sequence dynamic model module and a game recommendation module. According to the system, a dynamic user behavior is analyzed according to acquired user behavior data and the interest changes of new and old users are tracked; when the user interests are changed or possibly run away, games with relatively high similarity with user interested games and the game popularity are comprehensively considered and optimal recommendation results are given to the users; in combination with the timeliness of the games and the users, a time window based user activeness score computing method is established; and game labels are introduced for performing corresponding mapping on the users, so that the diversity of game recommendation is enriched, the users can feel game recommendation with continuous new element changes, and the novelty of game recommendation is enhanced.

The invention belongs to the tobacco field and discloses a preparation method for tobacco extract. The preparation method for the tobacco extract includes steps that 1) placing tobacco raw material in solvent to extract, wherein the solvent is one or more of hydrochloric acid, water, sulfuric acid, glycol and ethanol; 2) heating at 100 to 500 degrees centigrade, wherein the heating is performed in the mixed atmosphere of which the volume ratio of nitrogen to air and/or oxygen is 100: 0-10. According to the preparation method for the tobacco extract and the application of the tobacco extract, the tobacco extract is richer in fragrance than the tobacco before processing, the tobacco extract is used for chewing tobacco, mouth tobacco, snuffing tobacco, electric heating type tobacco product, fuel heating type tobacco product, tobacco atomizing product, electronic cigarette and the like, and the tobacco extract can enable the products to be greatly closer to the traditional cigarette flavor. When the tobacco extract is used for perfuming cigarette, the tobacco extract plays roles of increasing the thick sense of smoke, making the smoke fine and smooth, enriching the tobacco fragrance and the like.

The invention relates to environmental engineering and water treatment technology, and aims at providing a solar micro-power self-watering dry type ecological floating island applied to ecological restoration of eutrophic water and beautification of landscape water. The invention integrates the advantages of microbial technology, ecological floating island technology and solar energy technology to remove organics, nitrogen and phosphorus in the eutrophic water; meanwhile, dissolved oxygen in the water can be increased and self-purification capacity of the water can be enhanced by a solar watering device, and thereby better ecological restoration effect is achieved. The dry type floating island can be planted with multiple kinds of plants, thus playing a good role in enriching the ecological system of the floating island and facilitating birds and fishes inhabiting the floating island, and providing sufficient conditions for the naturalization of the floating island without producing secondary pollution to environment.

The invention discloses a plug seedling substrate of tomatoes and a preparation method. Peat is taken as the material; excrements of livestocks are taken as earthworm foodstuff; environment suitable for the growth of earthworms is provided; wormcast which is processed and generated by the earthworms is sieved to obtain wormcast compost with the grain size being 1-4mm; and the peat and the wormcast compost are fully mixed; mineral materials with a certain fineness such as expandable vermiculite, perlite and the like are added to improve the physical properties and the buffer performance of the substrate to generate a novel tomato seedling substrate. The percent by volume of various components are that the peat accounts for 15-25%, the wormcast compost accounts for 55-65%, the expandable gardening vermiculite accounts for 5-15% and the perlite accounts for 5-15%. The plug seedling substrate disclosed by the invention has the advantages of simplicity in preparation method, richness in resource, low cost of materials, turning waste into wealth, reducing environmental pollution and sufficient nutrient. The plug seedling substrate is used for the plug seedling of tomatoes, eliminates top application during seedling raising, improves the quality of tomato seedlings and reduces the pesticide application. Thus, the seedling quality is ensured, the cost and the labor are saved and the survival and the high-quality and efficient growth of the tomato seedlings, the yield and the construction of quality are ensured.

The invention relates to a production process of a flannel mould color burnt-out blanket. The production process comprises the steps of raw material selection, weaving, printing pretreatment, printing and aftertreatment. The production process has the beneficial effects that the process is transferred to a circular screen printer to be operated, so that the resource space of a factory is greatly utilized, the cost is reduced, and the register is preciser; the traditional acidic burnt-out mode is broken through, alkaline burnt-out is adopted, so that the burnt-out variety is increased, and the diversity of the market is enriched; and the flannel burnt-out blanket integrates the characteristics of a burnt-out processing process and a foam printing process in unique styles of elegant and novel appearance, soft and smooth handfeel, graceful pendency and beautiful color, and forms cavities by a burnt-out process, and the phenomenon of sloughing or wadding loosing in the washing process can be prevented by the foam printing process after the cavities are formed.

The invention relates to a human body tumble identification method based on WIFI CSI dynamic subcarrier selection in a WiFi interference environment, and belongs to the technical field of wireless communication. The method comprises the following steps: firstly, analyzing CSI interference intensity and a CSI active ratio, constructing a WiFi interference characteristic mapping matrix, and calculating each channel interference index by using the matrix to realize interference discrimination; and then, through a dynamic subcarrier selection algorithm CSI-DSSA based on an interference index, selecting a subcarrier combination with the weakest cross correlation in the interference data to carry out interference processing, and analyzing time domain feature information of multiple data streamsin uninterfered data aggregated by a multi-link data fusion method CSI-MLDF; and finally, extracting a time domain characteristic value and constructing an SVM multi-activity classification model in aWiFi interference environment to obtain a tumble activity identification result. According to the invention, the human body tumble activity identification accuracy in the WiFi interference environment can be effectively improved.

The invention relates to a preparing method of an oolong tea concentrated solution. The preparing method comprises the following steps that firstly, oolong tea leaves are subjected to first-stage charging and extracting; secondly, enzymolysis is carried out, wherein a tea leaf extract solution is subjected to enzymolysis treatment, and wall-breaking enzyme, tannase and protease are used as an enzyme preparation; thirdly, the oolong tea leaves are subjected to second-stage charging and extracting; fourthly, separating and filtering are carried out; fifthly, concentration is carried out, wherein a tea extract solution is concentrated; sixthly, a finished product is sterilized, and thus the finished oolong tea concentrated solution is obtained. According to the method, by means of the synthetic effect of wall-breaking enzyme, tannase and protease with the combination of the tea two-stage charging method, the product yield and production efficiency within the same time can be increased; meanwhile, the oolong tea concentrated solution prepared though the method has high amino acid content with partial ester catechins reserved, and is full in tea sense and mellow in taste, the fresh and mellow sense and the tea sense of oolong tea are intensified, much feature flavor of the oolong tea is reserved, the taste of the oolong tea concentrated solution is upgraded, and diversity of the oolong tea concentrated solution varieties is improved.

The invention discloses a multi-functional basketball dribbling sparring device comprising a simulation human body, an arm movable mechanism, a height adjustment mechanism, a human body movement mechanism and a control mechanism. The simulation human body comprises an upper body, a lower body and simulation arms; the upper body and the lower body are capable of being telescopically connected; the simulation arms are hinged with human body shoulders through the arm movable mechanism; a leg brace is arranged at the bottom of the lower body; a chassis is disposed at the lower end of the leg brace; the arm movable mechanism located on the upper portion of the simulation human body comprises a two-arm spacing adjustment mechanism and an arm stretching adjustment mechanism; the height adjustment mechanism is located on the central axis portion of the simulation human body; the human body movement mechanism positioned at the bottom of the chassis comprises a mobile walking mechanism; a receiver is mounted on the lower body. The multi-functional basketball dribbling sparring device has the advantages of effectively reducing the burden on a coach, simulating actions of opponents below a variety of circumstances; providing rich diversity of basketball training, being beneficial to training and deployment of basketball tactics, and improving dribbling level of basketball players.

The invention relates to a method for preparing liquid smoking spice for meat from pecan shells. In the method, the byproduct shells of wild pecans in China are used as the materials. The method comprises the following steps: selecting the material, pulverizing, carrying out dry distillation, filtering, fractionating, and aging at variant temperatures to obtain the stable finished product. The liquid smoking spice can be used for meat. The content of smoking characteristic flavoring substance 2,6-dimethoxyphenol is up to 8.0-18.0 (mg/mL), and the content of polycyclic aromatic hydrocarbon 3,4-benzopyrene is controlled within 2.0 mu g/kg, thereby enriching the diversity of smoking spice products and fully utilizing the pecan shells. By combining variant temperature aging with micro-filtering to remove precipitated tar, the aging time is shorted to 4 days, which is shortened by more than half as compared with the current like products, thereby greatly enhancing the production efficiency.

The invention provides an improved particle swarm algorithm optimized fuzzy PID unmanned helicopter attitude control method. The method comprises steps as follows: S1, a fuzzy PID attitude controlleris designed according to unmanned helicopter dynamics and kinematics model obtained with a mechanism modeling method, an error of an unexpected attitude angle and an actual attitude angle and an errorchange rate are controlled by a controller, and a parameter adjustment amount of the fuzzy PID attitude controller is obtained; S2, a quantification factor and a scaling factor in the fuzzy PID attitude controller are optimized with an improved particle swarm algorithm; S3, the optimized quantification factor and the optimized scaling factor are assigned to the PID attitude controller.

The embodiment of the invention discloses an information processing method and device. The method comprises the steps that disclosed information is obtained from a default website in a default time threshold value; an announcement website title and a text title inside an announcement document are obtained, and a service type to which an announcement belongs is determined according to preset service extraction rules; keyword search is conducted on announcement data of all listed companies disclosed by the website; content extraction is conducted on announcement content of different service types according to the set rules, and extracted results generate a notice. The system can face all enterprises and institutions, simple service configuration is conducted for overall identification analysis of the company document, and intelligent identification is achieved according to a standardized function. Accordingly, the office efficiency of the enterprises and institutions is significantly improved; the workload of manual form filling and artificial correlation is greatly reduced. Multiple tool systems are integrated, and diversity and normalization of the whole system are perfected.

The invention discloses a remote control method and a device of alarm. The method comprises: receiving alarm information reported by a base station and alarming on the spot according to the alarm information; and alarming remotely to a presupposed terminal under the condition that on the spot alarm is not received. Through the remote control method and the device of alarm, reliability and timeliness of the alarm are improved.

The present invention discloses wireless transmission based digital television broadcasting system. It contains user side and network side, wherein user side including wireless communication terminal, transmitting user participation digital television broadcast program interactive data stream to network side through wireless transmission, and receiving and playing network side down sent interactive data stream overlapped digital television broadcast program; network side including interactive processing unit, processing wireless communication terminal sent interactive data stream into data format capable of overlapping with network side digital television broadcast program data stream; data overlap device; broadcast down transmitting device. The present invention makes wireless transmission digital television system capable of realizing user with broadcast program interaction.

The invention belongs to the technical field of water resource environment protection and discloses a biological retention device for controlling rainwater non-point pollution on two sides of river channel and a design method of the biological retention device. The biological retention device is characterized in that the rainwater sand settling wells of the device are communicated with biological retention belts through overflow ports; each biological retention belt sequentially comprises a water storage layer, a planting soil layer, a sand filtering layer, a gravel layer and an original soil layer which are laid from top to bottom; a geotextile layer is laid between each planting soil layer and the corresponding sand filtering layer, and a geotextile layer is laid between each sand filtering layer and the corresponding gravel layer; an impermeable membrane layer is laid between each gravel layer and the corresponding original soil layer; water-permeable blind pipes are inserted in the bottoms of the gravel layers and communicated with rainwater inspection wells excavated in one side of the biological retention belts. The biological retention device has the advantages that the device is simple, high in flexibility, unlimited by sites, small in size, applicable to different regions of a city, and the like; meanwhile, the device is a small ecological system and can beautify environments and relieve the heat island effect of the city.

Provided is a pose recognition method of a leaner. The method comprises steps of separation of a portrait and a background; using mathematical morphological operation to extract a profile image of a learner for a binary image; using a Zernike matrix to carry out feature extraction; adopting a support vector machine to train the feature vectors; and recognizing poses of the learner. According to the invention, by introducing the Levy flight mechanism in a bee colony algorithm, according to different flight step lengths, different searching modes are adopted, so the variety of the population can be enriched; premature convergence and falling into the local optimum can be avoided; a dynamic weighting mechanism is adopted in the bee colony algorithm, and an individual bee searching mode is adjusted according to the evolutionary rate of the population, so global searching and local searching ability are dynamically balanced; and the method is advantaged by good segmentation effects and high recognition rate, and can be used for recognition of poses of the learners and recognition and classification of other images.