ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,435, issued on Sept. 8, was assigned to China Agricultural University (Beijing).
"Early warning method, apparatus, and system for nitrogen concentration in industrialized aquaponic circulating water" was invented by Daoliang Li (Beijing), Chang Liu (Beijing) and Yingying Zheng (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides an early warning method, apparatus, and system for a nitrogen concentration in industrialized aquaponic circulating water. The early warning method includes: obtaining video data of a sensitive fish farming container, where the video data includes a monitored movement behavior of a sensitiv...