ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,638, issued on March 18, was assigned to Zhejiang University (Hangzhou, China).

"Method and system for directly and rapidly detecting 14 C of carbon dioxide" was invented by Zhongyang Luo (Hangzhou, China), Yinchen Wang (Hangzhou, China), Chunjiang Yu (Hangzhou, China) and Qinhui Wang (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "In the technical field of power generation, a method and system for directly and rapidly detecting 14C of carbon dioxide, which can quickly complete a 14C activity measurement of carbon dioxide, while further improving uniformity and accuracy for directly and rapidly detecting 14C of carbon dioxide. The m...