36results about How to "In line with the laws of nature" patented technology

The invention provides a multi-style traditional Chinese painting peanut forming method based on a neural network, and the method comprises the steps: mapping from white painting to crafts or Chineseink painting through employing an attention architecture, carrying out training through employing a non-paired data set to acquire crafts and Chinese ink paintings with certain style characteristics.According to the invention, a new loss MSSSIM loss function is introduced into a GAN-based attention architecture; the distance between the reconstructed image and the source image is compared in a multi-scale manner from three aspects of brightness, contrast and structure, and the image style and content are guided to be accurately generated together with a cyclic consistency loss L1 function, sothat the problems of unclear original network picture, artifacts, fuzzy ink marks, noisy points and the like are solved. According to the method, the problem that high-quality pictures with clear pictures cannot be generated due to abstraction and complexity of traditional Chinese painting styles in research of a traditional method is solved.

The process of producing beta-mannase with Aspergillus niger belongs to the field of enzyme engineering technology. In the process of producing beta-mannase, corn cob, bran and other crop leftovers are used as the base material; and proper amount of konjaku powder, corn milk, inorganic salt, water, etc are added for solid fermentation with Aspergillus niger WA9024 strain. The present invention can obtain beta-mannase product possessing enzyme activity of 18912-22185 IU/g in test production or 12678-15921 IU/g in industrial production. The present invention provides also the recipe of fermenting culture medium and the fermenting conditions.

The invention discloses a near-infrared brain imager map collecting method based on cognitive tasks. The method comprises steps as follows: step one, a near-infrared brain imager is connected to the brain of a subject; step two, a first cognitive task, a second cognitive task and a third cognitive task with duration time of T2 are provided for the subject sequentially at time intervals of T1; step three, near-infrared brain imaging maps of the brain of the subject are continuously collected in the time period of T2, wherein T1 is not equal to T2. According to the near-infrared brain imager map collecting method based on the cognitive tasks, under the stimulus presentation of the cognitive tasks, the near-infrared brain imaging maps which are easy to recognize are acquired, and related research workers can perform further quantitative statistics on characteristic waveforms in the maps conveniently and further guide follow-up work.

The hollow concrete block for protecting perennial frozen soil road bed and slope consists of plant stalks, cement, sand and soil, and is hollow cube with outer side length of 30-200 mm and wall thickness of 10-50 mm. It may be also hollow sphere, hollow cuboid or hollow cylinder. The present invention is simple in construction, low in cost, easy in maintenance, and has the merits of both sun shield and ballast revetment. Hollow blocks of different shapes are combined in certain thickness to reach excellent sun shielding effect and excellent ventilation and temperature lowering effect for protecting perennial frozen soil road bed and slope positively.

The invention provides a multi-dimensional feature construction method and device, an electronic device and a storage medium. The multi-dimensional feature construction method comprises the followingsteps: when a feature construction instruction is received, acquiring historical access data of the target application program, detecting current access data of the target application program, calculating the similarity between the historical access data and the current access data by adopting a K-L divergence algorithm; obtaining first feature data, obtaining current time and determining a targettime slice to which the current time belongs, calling a target activity degree corresponding to the target time slice from pre-stored activity degree data, processing the target activity degree; acquiring second feature data, further acquiring third feature data acquired by a configuration sensor, performing normalization processing on the first feature data, the second feature data and the thirdfeature data, and performing data analysis to obtain multi-dimensional features, so that the description of user features is more comprehensive, and the flexibility is higher.

The embodiment of the invention provides a meta-learning-based short-term wind speed prediction method and device, computer equipment and a computer readable storage medium, and belongs to the technical field of wind speed prediction. Wind speed data of a time sequence is input into a base predictor constructed based on a recurrent neural networ; so as to obtain a first output value, the characteristic that the recurrent neural network can memorize is fully utilized; the method has the characteristic of better prediction effect on the data of the time sequence; meanwhile, the environment characteristic data is input into the BP neural network; so as to obtain a second output value, the second output value is taken as a weighting coefficient to cary out weighted summation on the first output value; a value obtained by summation is taken as a predicted wind speed at a target moment; according to the method, the wind speed prediction model is formed by combining the recurrent neural network and the BP neural network, so that the wind speed prediction based on meta-learning is realized, the accuracy and reliability of wind speed prediction can be improved, the risk of wind speed prediction is reduced, and the utilization effect of wind energy is improved.

The invention aims at providing a method for obtaining suitability degree of mountainous village and town construction land, provides reference data for mountainous planning and construction and discloses a mountainous village and town construction land suitability assessment method based on geological disaster. The method includes comprehensively utilizing a fuzzy synthetic evaluation method, a Delphi method, an onsite statistical survey method and the like according to the theories of fuzzy mathematics and probability statistics, analyzing and calculating factor weight affecting the suitability of the mountainous village and town construction land and the membership degree of indexes to further obtain the relation between the affecting indexes of each stage and the suitability evaluation grades according to calculation. Analysis of a project case shows that dynamic suitability evaluation based on the geological disaster can be conducted on the suitability of the mountainous village and town construction land, a preferable technical scheme can be provided during address selection, and life property loss caused by damage of the geological disaster to the village and town construction land in the use process can be avoided.

The invention belongs to the design technology of an ocean platform, and in particular relates to a method for evaluating the remaining life of an ocean platform in a cold region. When calculating the remaining life of the offshore platform, this method takes into account the cumulative fatigue damage within the service life, the influence of fatigue damage caused by short-term environmental loads on the remaining fatigue life, and the impact of fatigue damage caused by extreme environmental loads on the remaining fatigue life. Influence of remaining fatigue life. The present invention is more in line with the actual fatigue damage accumulation essence of the offshore platform, more in line with the known Miner's linear damage accumulation criterion, more in line with the current environmental load change trend and characteristics, more scientific and reasonable than the existing method, and the analysis result of the remaining life is more accurate Accurate and reliable.

The invention discloses a sun earth moon motion instrument, which comprises a central fixing shaft. The top end of the central fixing shaft is fixed with a central main gear; a sun model is arranged on the central main gear; a rotation arm is arranged, in a rotating mode, on the central fixing shaft and located below the central main gear; the center of the rotation arm is overlapped with the center of the central fixing shaft; the rotation arm is provided with a main motor; the output shaft of the main motor is provided with a driving motor gear; the driving motor gear and the central main gear are engaged; one end of the rotation arm is provided with an earth-moon system sliding assembly, and the other end of the rotation arm is provided with a balance weight; the earth-moon system sliding assembly comprises a sliding fixing plate and an earth autorotation mechanism and a moon revolution mechanisms arranged on the sliding fixing plate; and an elliptical orbit control mechanism and a belt wheel tensioning mechanism are arranged between the earth-moon system sliding assembly and the central main gear. The sun earth moon motion instrument provided by the invention can accurately demonstrate sun earth moon motion rules.

The invention discloses a video audio and picture matching method, a related device and a storage medium, and is applied to the field of artificial intelligence. The method comprises the following steps: receiving a voice sequence sent by a client; obtaining a to-be-matched voice clip from the voice sequence; obtaining the initial position of a start-stop identifier and the moving direction of thestart-stop identifier from an image sequence; obtaining a to-be-matched movable clip according to the initial position of the start-stop identifier, the moving direction of the start-stop identifierand the to-be-matched voice clip; and performing synthesis processing on the to-be-matched voice clip and the to-be-matched movable clip to obtain a video clip. In the process of synthesizing the video, the positions of the movable clips in the image sequence can be positioned by utilizing the start-stop identification positions, and the movable clips with actions are matched with the voice clips,so that the synthesized video clips more accord with the natural law of a person during speaking and have better authenticity.

The invention relates to an electric vehicle charging demand prediction method, a storage device and a system. According to the prediction method, Poisson distribution is adopted to fit the quantity of electric vehicles in a set subdivided time period in a target region according to historical statistical data of actual charging demands, and then a probability distribution model of the charging demands is constructed; and predicted values of the charging demands are calculated based on the probability distribution model of the charging demands. Through the prediction accuracy calculation method, K-L divergence is utilized to evaluate the accuracy of a prediction result, and then a confidence coefficient of charging demand prediction is obtained and applied to an actual scheduling algorithm. Through the prediction method, a car owner or a regional agent does not need to make a declaration in advance, manpower and material resources and time cost can be substantially saved, and prediction efficiency and user experience are improved.

The invention provides a data-driven water surface reconstruction method and system, and relates to the field of image processing and computer vision. The method comprises the steps of acquiring a water surface video, and parsing the water surface video into a single-frame image according to a frame rate of the water surface video; dividing the image into blocks, calculating the reflectivity of the water surface in each block, calculating information entropy of each block based on the reflectivity thereof according to each reflectivity, setting a threshold, when the information is less than the threshold, subdividing the block corresponding to the information entropy less than the threshold into new blocks, calculating the information entropy of each new block until the information entropy of each new block is greater than the threshold, and acquiring the height field of each block; and seaming the height fields of the blocks into a whole.

The invention belongs to the technical field of land productivity enhancement and environment protection, and discloses a method for forming farmland ecosystem nutrient cycling integrity. The method comprises the following steps: 1) harvesting farmland crops, weighing crop grain yield; 2) detecting the nitrogen content of crop grain; 3) calculating total nitrogen amount of the crop grain; 4) detecting the nitrogen content of excrements of livestocks; 5) calculating application amount of the excrements of livestocks; 6) using the excrements of livestocks; and 7) totally crushing the crop straws for reclamation. The method forms the farmland ecosystem nutrient closed cycling, which solves the non integrity of the farmland ecosystem nutrient cycling due to man-made interference, continuous nutrient supply capability can be guaranteed for farmland soil, the law of nature can be perfected matched, cost is low, effect is high, and the method has environmental protection performance.

A CDD image aberration elimination method based on nearest statistics comprises the steps that (1) a CCD with the largest dynamic range is selected as a datum image without aberration; (2) a CCD image adjacent to the datum image is used as an image to be processed, a column of pixels, adjacent to the edge of the image to be processed, of the datum image are selected, the average value of gray values of the column of pixels of the datum image at a certain waveband is calculated, the average value of gray values of a column of pixels, adjacent to the edge of the datum image, of the image to be processed at the same waveband is calculated at the same time, and the difference value of the two average values is calculated; (3) the obtained difference value is added to all pixels of the image to be processed, and then elimination of the aberration of the image to be processed at the waveband in the step (2) is completed; (4) the step (2) and the step (3) are executed repeatedly for other wavebands, and then elimination of the aberration of the image to be processed is completed; (5) the image to be processed without aberration is used as a new datum image, and the step (2), the step (3) and the step (4) are executed repeatedly till imaging processing of all CCDs is completed.

The invention discloses a bitter gourd powder solid beverage and a preparation technology thereof. The beverage comprises the following raw material components of 15-25% of bitter gourd powder, 20-35%of oolong instant tea powder, 15-23% of inulin, 8-12% of haw powder, 8-12% of ground cinnamon, 8-15% of fructus momordicae powder, and 11-13% of xylitol. The preparation technology is simple, and theprepared beverage has the effects of regulating blood lipid and reducing blood pressure, can enable the activity of insulin cells to be strengthened, the autogenous regulation capacity for blood sugar to be strengthened, and the oxidation of blood sugar to be accelerated, conforms to nature metabolism law of human bodies, can prevent and improve the complication of diabetes, and has the effect ofregulating the blood fat and improving the immunity.

The invention relates to the field of teaching, and discloses a multimedia teaching material editing method and system based on artificial intelligence. The method includes: setting an editing requirement according to a teaching outline of a preset teaching stage, selecting a main text from alternative texts according to the editing requirement, matching knowledge point explanation courseware andpost-class exercises for the main text, and storing the main text, the matched knowledge point explanation courseware and the post-class exercises. According to the embodiment of the invention, a multimedia teaching material meeting teaching requirements can be quickly edited with high quality.

The invention discloses a multi-city multi-pointer timekeeping dial plate, and the dial plate comprises 24 hour indication rings with the number 0-23, wherein the 24 hour indication rings are arranged clockwise at intervals of equal angular distances. 0 is disposed exactly below the dial plate. The 12 point is disposed exactly above the dial plate. The upper or lower part of the 12 point is provided with a sun mark, and sun mark represents the sun. The concentric central part of the hour indication rings is provided with a disc which is formed through the scaling down of the southern hemisphere or the northern hemisphere on the equatorial plane and rotates synchronously with the earth, wherein the periphery of the disc represents the terrestrial equator. The hour hand of the dial plate carries out the display in a mode: taking the projection position of a to-be-displayed standard-time time zone city as a reference point, and displaying the hand at a corresponding time position of the hour indication rings. The number of to-be-displayed standard-time time zone cities is one or greater than one, and the number of correspondingly displayed hour hands is one or greater than one. All pointers rotate along with the central disc. The clockwise rotation of the dial plate accords with the use habit, and the same dial plate can represents the time of cities in a plurality of time zones, so the dial plate is convenient to use.

The invention discloses a dial plate with an instant lunar phase image figure. A dial plate surface expresses an equatorial plane; and the central point of the dial plate surface expresses the location of the earth. And the location of the moon is expresses as follows: the projection of the moon on the equatorial plane is displayed on the dial plate surface at a selected distance relative to the central point in a roundness manner. The moon moves clockwise as time goes by. The lunar phase of the moon can be determined according to dates and the moon is displayed at the dial plate in a lunar phase state. Preferably, a sun mark (2) indicating the sun is arranged above the central point of the dial plate and is filled with a red color or gold color; and the central point is displayed in a blur circle mode and expresses the earth. According to the dial plate, the relative position relationship of the sun, the moon, and the earth is displayed at the small dial plate vividly; and on the basis of the displayed lunar phase figure and the position relationship of the sun, the moon, and the earth, the arrival and size of the tide can be determined accurately. Therefore, the dial plate not only can be applied to offshore catching, culturing, scientific research and military fields but also can be used for determining arrival of traditional festivals.