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162results about How to "Reduce the thickness of the structure" patented technology

Intelligent handwriting board based on handwriting identification and synchronous terminal display

The invention discloses an intelligent handwriting board based on handwriting identification and synchronous terminal display. The intelligent handwriting board comprises a handwriting board body (3), a control module (9) and terminal equipment, wherein a sensing region (2) is arranged at the periphery of the handwriting board, infrared sensors for scanning handwriting tracks are arranged in the sensing region (2) and comprise infrared transmitters and infrared receivers, and the infrared transmitters and the infrared receivers are arranged in a correlative manner; the infrared sensors are used for transmitting data representing the handwriting tracks to the control module (9) by scanning the handwriting tracks; and a wireless communication unit (7) is arranged in the control module, and is used for transmitting the data to the terminal equipment in real time by means of wireless transmission, so that the content same as the content on the handwriting board body can be displayed in the terminal equipment in real time. By using the intelligent handwriting board, while the original handwriting experience can be maintained, the content of the handwriting board can be recorded and saved conveniently, and information synchronization of the terminal equipment and the handwriting board can be realized.
Owner:HANGZHOU TANNUO OPTOELECTRONICS MATERIALS CO LTD

Preparation and application of denitrifying bacteria immobilized fixed-type bioactive fillers based on reticulate carriers

The invention discloses preparation and an application of denitrifying bacteria immobilized fixed-type bioactive fillers based on reticulate carriers, and belongs to the technical field of water treatment. Bioactive fillers each comprise two parts: the carrier and an embedding body; the carrier is a sheet-shaped reticulate carrier formed by taking polyethylene, polyvinyl chloride, polypropylene or ABS resin as a main material, adding a hydrophilic material polyvinyl alcohol and carrying out hot melting or plate hot pressing; an embedding liquid is formed by mixing a polyvinyl alcohol solution and a denitrifying bacteria concentrated solution; the reticulate carrier is evenly coated with the embedding liquid, and the embedding body is formed after boric acid secondary cross-linking curing and is combined with the reticulate carrier to obtain the denitrifying bacteria immobilized bioactive filler. A plurality of bioactive fillers are fixed through a prefabricated frame and are placed in a water treatment reactor. The prepared denitrifying bacteria immobilized fixed-type bioactive fillers have good overall stability and good process property, can establish and maintain flora advantages of denitrifying bacteria in a short period of time, and maintain an efficient denitrification ability of a system.
Owner:BEIJING UNIV OF TECH

Preparation and application of anaerobic ammonia oxidizing bacteria immobilized star-shaped bioactive filler based on reticulate carrier

The invention discloses an anaerobic ammonia oxidizing bacteria immobilized star-shaped bioactive filler based on a reticulate carrier, and preparation and an application thereof, and belongs to the technical field of water treatment. The bioactive filler comprises two parts: an embedding body and the carrier; the carrier is a reticulate star-shaped carrier formed by taking polyethylene, polyvinyl chloride, polypropylene or ABS resin as a main material, adding polyvinyl alcohol and carrying out hot melting or plate hot pressing; an embedding liquid is formed by mixing an anaerobic ammonia oxidizing bacteria suspension and a polyvinyl alcohol solution and evenly coats the reticulate carrier; the embedding body is formed after boric acid secondary cross-linking immobilization of the embedding liquid and is combined onto the reticulate carrier to obtain the anaerobic ammonia oxidizing bacteria bioactive filler. With a reticulate carrier structure of the prepared bioactive filler, the embedding body can be allowed to penetrate through meshes to form a riveting fixing structure so as to increase the filler overall stability; the filler can still maintain a loose state, problems of blockage, water flow short-out and the like cannot appear, the concentration of anaerobic ammonia oxidizing bacteria on the filler is high, the treatment efficiency of the bioactive filler is high, and the performance is stable.
Owner:湖南汨罗循环经济产业园区科技创新服务中心
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