3 results about "Source area" patented technology

The invention provides a heat preservation box capable of rapidly replacing a cold source. The heat preservation box comprises a box body and cold storage plates; the box body is provided with a box door, a cold storage area, a control area and a cold source area are arranged in the box body, the cold storage area is separated from the control area and the cold source area through a middle partition board, and the control area and the cold source area are separated through a side partition board; a backflow partition board is arranged in the cold source area, the cold source area is divided into a cold source cavity and a backflow cavity through the backflow partition plate, the cold source cavity communicates with the lower portion of the backflow cavity, a plurality layers of cold sourceframes used for containing the cold storage plates are arranged in the cold source cavity, and the cold source cavity communicates with the cold storage area through an air inlet channel; an exhaustfan is arranged on the air inlet channel, the cold storage area communicates with the backflow cavity through a backflow channel, and an air blower is arranged on the backflow channel; a control module is arranged in the control area, a first temperature sensor is arranged in the cold storage area, the exhaust fan, the air blower, and the first temperature sensor are electrically connected with the control module; and box body, the middle partition plate and the side partition plate are all made of vacuum composite plates. According to the heat preservation box, the replacement efficiency of the cold source is improved.

This invention discloses a method for screening ecological source areas in densely populated urban areas that couples multiple factors with planning overlays. Belonging to the field of urban ecological planning, the method includes the following steps: screening of dual indicator species and construction of differentiated resistance surfaces; habitat suitability assessment and preliminary extraction of potential source areas; minimum cost path simulation under cost constraints; functional connectivity importance evaluation based on graph theory; three-factor coupled screening and source area classification; and verification and application feedback of overlay with statutory planning. This invention, a method for screening ecological source areas in densely populated urban areas that couples multiple factors with planning overlays, comprehensively evaluates the ecological value of patches from three dimensions: internal patch attributes, external migration resistance, and their connecting role in the network. This significantly improves the scientific rigor and comprehensiveness of source area screening, directly identifying ecological source areas covered, omitted, or requiring improvement under planning, providing clear and operable technical support for planning revision, implementation, and daily ecological management.