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215results about How to "Save amount" patented technology

Sewage Treatment Process and System

A sewage treatment process is provided, which includes the following steps: a) sewage feeding step, comprising introducing raw sewage into a biological reaction tank (1) to a predetermined time or liquid level; b) reaction step comprising performing aeration and stirring intermittently in the biological reaction tank (1); c) treated water discharging step, comprising performing solid-liquid separation of the mixed liquor in the biological reaction tank (1) by a membrane separation device (2) to obtain a first permeate, which is taken as the final treated water; d) standby step comprising stopping aeration in the biological reaction tank (1); and e) phosphorus-enriched water discharging step, comprising keeping anaerobic condition in the biological reaction tank (1) and performing solid-liquid separation of the mixed liquor in the biological reaction tank (1) by a membrane separation device (2) to obtain a second permeate, the second permeate entering inside a phosphorus recycling unit (5) which is set independent from the biological reaction tank (1), the phosphorus recycling unit (5) removing phosphorus from water, the second permeate becoming low-phosphorus water, and the low-phosphorous water flowing back to the biological reaction tank (1); the sewage treatment process runs in cycle by repeating above steps. A corresponding treatment system is also provided.
Owner:SUN YOUFENG

Image recognition method, image recognition device, and image recognition program

The invention provides a method for actualizing a high-speed object recognition process in an object recognition which extracts feature vectors from an input image where an object is captured, the feature vectors representing the object with the large number of the feature vectors; and retrieves, among an image database, one or more images whose features are matched. The invention also provides a method for saving a memory capacity required for the image database.
Suggested are methods each of the methods being capable of reducing a processing time required to perform a task which recognizes the object described by a plurality of the feature vectors with use of an approximate nearest neighbor search technique. One of the suggested methods is actualized by excluding such feature vectors that a large number of feature vectors are present in the vicinity and a large number of distance calculations, therefore, are required. Another suggested method is actualized by only performs voting using a hash table without performing any distance calculation. Moreover, another suggested method is actualized by connecting recognizers in cascaded manner each of which uses the nearest neighbor search technique, varying a degree of approximation applied to the object recognition in accordance with the input image, thereby significantly increasing efficiency.
Owner:OSAKA PREFECTURE UNIV PUBLIC CORP

Assembly type hydraulic box culvert template and construction method of prefabricated assembly type box culvert of assembly type hydraulic box culvert template

The invention provides an assembly type hydraulic box culvert template and a construction method of a prefabricated assembly type box culvert of the assembly type hydraulic box culvert template, and belongs to the field of highway engineering construction. The assembly type hydraulic box culvert template comprises a template, a hydraulic power system and an adjusting support. The construction method comprises the steps that the assembly type hydraulic box culvert template is installed; the template is used; steel bars are machined and installed; a steel bar framework is hoisted put into the template; an internal mold is installed; the template is installed while concrete is poured; the concrete is poured; the concrete is cured; and the template is removed, and finally the prefabricated assembly type box culvert is prepared. The box culvert can be prefabricated in a centralized mode, and is installed on site, so that a lot of concrete is saved, the construction progress is accelerated,construction cost is reduced, damage and pollution to underground water and soil are greatly reduced, and the box culvert is especially prominent in green and environment-protecting aspects; and the entity quality of culverts is effectively improved, the yield of the appearance and a protection layer is greatly improved, and good economic and social benefits are obtained.
Owner:INNER MONGOLIA ROAD & BRIDGE
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