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32results about How to "High scale" patented technology

Forest disease and pest monitoring and early warning method and system based on unmanned plane image analysis

The invention discloses a forest disease and pest monitoring and early warning method based on unmanned plane image analysis. The method includes the steps of: S1: shooting a forest area image through a camera carried on an unmanned plane; S2: performing early-stage preprocessing on an image collected by an image collection unit, so as to improve image data and enhance image features; S3: performing image segmentation on the forest area image through an improved fuzzy C-mean algorithm to determine the position of a forest area in the image; S4: performing segmentation on the forest area image through a mark watershed algorithm based on a mixed template to determine the position of a pest plague area are in the image; and S5: on the basis of determining the position of the pest plague area, and in combination with ground survey data, grading the pest plague degree of the pest plague area. The forest disease and pest monitoring and early warning method uses the unmanned plane to carry the camera to shoot data such as pictures of the specified forest area, realizes functions of positioning of the disease and pest area of the forest area, disease and pest grading and early warning and the like, and can satisfy requirements of timely, comprehensive and efficient monitoring and early warning of a disease and pest situation of the forest area.
Owner:BEIJING FORESTRY UNIVERSITY

System for thermoelectric converting type solar thermal power generation

The invention discloses a solar thermal power generation system by thermoelectric conversion, comprising a sunlight-concentrating and receiving module, a solar tracking module, a photothermal-conversion module for absorbing sunlight then transforming sunlight into thermal energy and a combination of semiconductor thermoelectric module, the combination-type cooling module is under the semiconductor thermoelectric module. In the invention, TE module can directly convert solar thermal and waste heat to electricity without heat transfer medium, heat storage tank, turbine, and mechanical moving part, thus realizing small scale, compact system with high efficiency; Due to the adopting of low concentrating lens with tracking system and compound waste heat supplying module, thus reducing floor area and effectively improving temperature difference and power generating efficiency of the overall system. In comparison with that of traditional solar thermal power generation system, the new system kept the advantages, including: low investment and low maintenance cost. In comparison with that of solar cell power generation system, the system has the advantages: large power in small area and possible in stable output; furthermore a heating source apart from solar energy is introduced to guarantee the stable current supply.
Owner:GUANGZHOU INST OF ENERGY CONVERSION - CHINESE ACAD OF SCI

High-flux ceramic micro-reactor

The invention discloses a high-flux ceramic micro-reactor. The high-flux ceramic micro-reactor comprises a reactor ceramic main body, a rubber gasket and a ceramic cover plate, and the reactor ceramicmain body and the ceramic cover plate are formed by photocuring printing of ceramic, degreasing and sintering; and the reactor ceramic main body is provided with a plurality of reaction micro-pores,a chemical reaction test under high-temperature and high-pressure or strong-corrosion conditions can be carried out in the reaction micro-pores, the rubber gasket is laid on the top surface of the reactor ceramic main body, bulges in one-to-one correspondence with the reaction micro-pores are formed on the rubber gasket and are used for plugging openings of the reaction micro-pores to ensure the sealing degree of the chemical reaction in the reaction micro-pores and avoid the outward leakage of a reaction liquid in the reaction micro-pores, and the ceramic cover plate covers and presses the rubber gasket and is fixedly connected with the reactor ceramic main body through screws. The high-flux ceramic micro-reactor has the advantages of good high temperature resistance, good acid and alkalicorrosion resistance, good wear resistance, high flux and the like, and is especially suitable for researching micro-reactions at a high temperature, such as a hydrothermal reaction.
Owner:SOUTH CHINA UNIV OF TECH

Forest disease and insect pest monitoring and early warning method and system based on UAV image analysis

The invention discloses a forest disease and pest monitoring and early warning method based on unmanned plane image analysis. The method includes the steps of: S1: shooting a forest area image through a camera carried on an unmanned plane; S2: performing early-stage preprocessing on an image collected by an image collection unit, so as to improve image data and enhance image features; S3: performing image segmentation on the forest area image through an improved fuzzy C-mean algorithm to determine the position of a forest area in the image; S4: performing segmentation on the forest area image through a mark watershed algorithm based on a mixed template to determine the position of a pest plague area are in the image; and S5: on the basis of determining the position of the pest plague area, and in combination with ground survey data, grading the pest plague degree of the pest plague area. The forest disease and pest monitoring and early warning method uses the unmanned plane to carry the camera to shoot data such as pictures of the specified forest area, realizes functions of positioning of the disease and pest area of the forest area, disease and pest grading and early warning and the like, and can satisfy requirements of timely, comprehensive and efficient monitoring and early warning of a disease and pest situation of the forest area.
Owner:BEIJING FORESTRY UNIVERSITY
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