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72results about How to "Satisfy the utilization" patented technology

Time-space domain correlation prediction method for air pollutant concentration

ActiveCN109492822AAvoid the vanishing or exploding gradient problemEliminate degradation problemsForecastingNeural architecturesMachine learningPollutant
The invention relates to a time-space domain correlation prediction method for air pollutant concentration, which comprises the steps of S1, constructing a prediction model based on a residual error network and a convolutional LSTM network by taking PM2.5 as a sample for target pollutant prediction; s2, selecting appropriate training and testing data from the environment monitoring data to complete initialization of the prediction model; s3, training the prediction model stage by stage to obtain a neural network prediction model capable of accurately predicting PM2.5; s4, selecting hyper-parameters (the number of layers, the number of nodes and the learning rate) of the model by utilizing the verification set until the model is optimal; and S5, carrying out urban PM2.5 prediction by utilizing the verified prediction model. Compared with the prior art, the method has the advantages that the convolutional LSTM network is used as a middle layer, deep space-time association feature extraction is performed on spatial features extracted by the bottom ResNet network, accordingly, the prediction performance of the network model can be improved, the hidden state of the convolutional LSTM can be received by the aid of the full connection layer, and a final prediction result can be generated.
Owner:SHANGHAI NORMAL UNIVERSITY

Multi-stage power supply planning method for maximizing renewable energy utilization

The invention discloses a multi-stage power supply planning method for maximizing renewable energy utilization. The method includes: acquiring power supply planning data, system basic technical data,system operation constraint condition data and system operation prediction data; constructing a multi-stage power supply planning model, a power supply planning budget and construction limitation constraint, a system operation basic constraint, a thermal power plant operation constraint, a hydraulic power plant operation constraint, a renewable energy power plant operation constraint, a delivery channel operation constraint and a renewable energy power plant investment portfolio constraint by taking the maximum renewable energy utilization amount as an objective function; and inputting the obtained data into the constructed power supply planning model, performing solving to obtain a power supply planning construction scheme and a renewable energy consumption evaluation result, and carryingout multi-stage power supply planning to realize maximum utilization of renewable energy. According to the method, the defects in a traditional power supply planning method are overcome, the multi-aspect requirements of system operation can be better met, the utilization level of renewable energy sources is greatly improved, and the method has stronger guiding significance for actual constructionof multiple types of power supplies.
Owner:XI AN JIAOTONG UNIV

Animal-emotion electroencephalogram analysis device

The invention belongs to the field of brain-computer interface devices, and particularly relates to an animal-emotion electroencephalogram analysis device. The animal-emotion electroencephalogram analysis device comprises an animal electroencephalogram collection module, a preprocessing module, a feature classification module and an analysis-result output module. By means of the animal-emotion electroencephalogram analysis device, eye electrical noise, drifting noise and high-frequency noise in single-electrode original electroencephalogram signals can be removed, and according to feature classification based on machine learning, current-emotion state values of animals are obtained, broadcasted and displayed. Electroencephalogram is collected through a claw-type dry electrode, and can penetrate through hair to be in contact with the cortex, and is combined with the preprocessing module, and it can be guaranteed that the signal to noise ratio is high, and wearing is more convenient; classification is completed through machine learning, and the effectiveness is guaranteed; meanwhile, the time resolution ratio can be increased, and finer emotional state changes can be caught. The animal-emotion electroencephalogram analysis device has the advantages of being fast and convenient to wear and high in sensitivity and accuracy rate, and is suitable for application and popularization.
Owner:NANCHANG POLICE DOG BASE MINIST OF PUBLIC SECURITY +1

Method for acquiring bioactive peptide by sequentially hydrolyzing deer haemproteins with two enzymes

The invention belongs to the field of molecular biology, and discloses a method for acquiring bioactive peptide by sequentially hydrolyzing deer haemproteins with two enzymes. In prior arts, a technology of hydrolyzing pig haemproteins with single enzyme reaches a hydrolysis degree of only 10%, while deer blood can be directly used only. The method of the present invention comprises the following steps: (1) using original deer blood or deer blood powder as a raw material, preparing a deer blood solution according to a concentration of 5% to 10% of the deer blood component mass; (2) adding papain to the prepared deer blood solution for hydrolyzing under a hydrolysis temperature of 35 to 40 DEG C, a pH value of 6.5 to 7.5, and a hydrolysis time of 2 to 3 hours, wherein the added amount equals 2% to 6% of the deer blood component mass, such that a first hydrolysate is obtained; (3) adding alkali protease to the first hydrolysate for hydrolyzing under a hydrolysis temperature of 50 to 55 DEG C, a pH value of 8.5 to 9.5, and a hydrolysis time of 2 to 3 hours, wherein the added amount equals 2% to 6% of the deer blood component mass, such that a second hydrolysate is obtained; (4) deactivating the residual enzyme through a water-bath, purifying the obtained solution with a membrane technology, such that a bioactive peptide solution is obtained.
Owner:伊通满族自治县吉云鹿业发展有限公司

Universal fully-effective generating power machine

The invention relates to a universal fully-effective generating power machine belonging to generating power equipment which can fully and effectively convert conventional energy resources such as water energy, steam energy and the like and new energy resources such as wind energy, steam energy formed by solar heating, tidal water energy and the like into rotating mechanical energy. The machine mainly comprises one or a plurality of jet orifices, a regulating mechanism of the jet orifices, one or a plurality of universal fully-effective rotating wheels, a speed regulator and the like, wherein, the universal fully-effective rotating wheels correspond to the jet orifices and are arranged on a main shaft. The machine can fully develop and utilize water energy, steam energy and wind energy of all types, can fully and effectively convert the utilized water energy, steam energy and wind energy into rotating mechanical energy, can fully replace all current water turbines, steam turbines and wind turbines, and has the advantages of simple structure, reliable performance, low manufacturing cost and easy implementation. Thus, the universal fully-effective generating power machine can replace equipment of hydraulic, thermal and wind power generation industries, and can promote rapid development of new energy resource generating industries such as hydraulic fully-effective power generation, hydraulic wind power generation, solar steam power generation and the like to become main energy source power generating modes.
Owner:黄国宏

Supporting roller shift apparatus of closed box body oil pump

The invention relates to a shift device for a riding wheel of an oil extractor with a closed tank body, in particular to a transmission device of an oil extractor with a closed tank body used for the oil exploitation of an oil field, and the patent number is 200910010035.2. The upmost end of a machine body is provided with a device for forwardly and backwardly shifting a rotary wheel or a riding wheel. In the operation of repairing a well, the riding wheel can be shifted from the front position to the back position of the upper end of the machine body. In the operation of oil exploitation, the riding wheel on the back position of the upper end of the machine body can be moved to the front position of the upper end of the machine body. A shifting bolt in front of the device is used for upwardly rotation to support the front end of a toothed bar to upwardly move to incline the toothed bar, and the riding wheel is forced to backwardly move. When the riding wheel needs to forwardly move, the shifting bolt on the front position downwardly rotates into a screw hole and upwardly rotates by the shifting bolt on the back position, the shifting bolt on the back position supports the toothed bar to forwardly incline to enable a gear to forwardly move, and both ends of a riding wheel shaft are screwed to assist the movement of the gear.
Owner:董少明

Butt end bracket for long-distance transport of large-scale wind power generation blades

InactiveCN102849334AMeet the transportation problemMeet turnoverExternal framesElectricityEngineering
A butt end bracket for the long-distance transport of a large-scale wind power generation blades mainly comprises a blade butt end bracket base (1), blade bearing rods (2 and 3), a hydraulic jack mechanism (4), bolt holes (5), a following support plate (6) and a rubber pad (7), an upper group of and a lower group of different specifications and numbers of arc-shaped large-gap bolt holes (5) which are corresponding to different models of butt end bolts of wind generation blades and can meet the requirements of the same circumference diameter and different heights and positions are formed in the blade bearing rods (2 and 3), so that gaps exist at the periphery of the bolts at the butt ends of the wind generation blades corresponding to the bolt holes (5), so that the deformation and blocking cracking caused by large intensive stress of the bolts in the transport process can be reduced. According to the disclosed butt end bracket for the transportation, the installation, the fixation and the transportation of more than two kinds of wind generation blades are met, wherein the diameters of the butt end surfaces of the wind generation blades are 110mm, and 64 bolts are uniformly distributed on each wind generation blade, the problem that an existing butt end bracket for transportation only can transport one model of wind generation blade once is solved, the exchanging efficiency of the transportation bracket is promoted, and the funding is reduced.
Owner:LUOYANG SUNRUI WIND TURBINE BLADE

Forest fertilizer with termite trapping and killing functions

The invention discloses a forest fertilizer with termite trapping and killing functions. The forest fertilizer is prepared from the following raw materials in parts by weight: 50-55 parts of pig manure, 14-16 parts of soybean milk residue, 15-18 parts of pine sawdust, 3-5 parts of sucrose, 2-3 parts of a jelly bacillus bacterial agent, 4-7 parts of ground phosphate rock, 0.3-0.4 part of hexaflumuron, 1-2 parts of guar gum, 5-7 parts of calcium ammonium nitrate, 0.2-0.4 part of zinc oxide, 27-33 parts of radix astragali, 36-38 parts of peanut shells, 0.5-0.6 part of chloroacetic acid, 0.9-1.1 parts of sodium hydroxide powder and appropriate 2% potassium hydroxide solution, absolute ethyl alcohol, 30% isopropyl alcohol solution and water. In the fertilizer disclosed by the invention, for common termite diseases of forest, the termites are attracted by the components such as composite pine sawdust and sucrose in the raw materials while the hexaflumuron coated in the fertilizer kills the termites; and since the fertilizer is positioned on the soil layer, the trapped and killed termites can be decomposed by the bacterial agent in the fertilizer and further transformed into organic nutrients for trees to absorb and utilize, then the forest diseases are relieved, and the fertilizer cost is reduced.
Owner:阜阳市庆丰源农业开发有限公司

Multifunctional rain gauge for automatically recording start and end times of rainfall and rainfall process

The invention discloses a multifunctional rain gauge for automatically recording start and end times of rainfall and a rainfall process. The multifunctional rain gauge comprises a rain gauge body partI, and power supply II, communication, record and control parts are divided into two main parts. According to the rain gauge body part I, an external body frame is formed by a rain gauge body rack, arain gauge base and a rain gauge bottom plate rack, and a rain collecting funnel, a rain collecting measuring room, a liquid level sensor, a drainage channel and a solenoid valve are arranged inside.The power supply II, communication, record and control parts are connected to a circuit board and a paperless recorder through a communication module by a PC end (with built-in host computer software). The device is internally provided with a solenoid valve and a liquid level sensor, combined with the circuit board and PC end host computer software, while a traditional rainfall record is satisfied, the start and end times of rainfall, a rainfall duration and a rainfall process can be precisely and flexibly recorded, and the multifunctional rain gauge has a wide application field and can be used in a hydrological station, surface water, groundwater, and other units with high requirements of the start and end times of the rainfall, the rainfall duration and the rainfall process.
Owner:JILIN UNIV
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