Xiaolong Cao,1,2,* Xinyue Li,1,3,* Zexuan Song,4 Ping He,5 Ruiqing Zhang,1,3 Chong Teng,6 Qian Sun,2 Xue Wang,2 Bing Zhao,3 Zhiguo Zhang,7 Yanlin Zhao3 1National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, 102206, People’s Republic of China; 2Outpatient Department,
At present, there is no clear design standard for segmental Blu-Ray Player joints of large-diameter shield tunnels under high water pressure.In this paper, a theoretical calculation model for the bending stiffness of segmental joints under high water pressure is proposed.The numerical simulation method is used to investigate the failure and crack f
A mutation that confers white plumage with black eyes was identified in the Minohiki breed of Japanese native chicken (Gallus gallus domesticus).The white plumage, with a few partially pigmented feathers, was not associated with the tyrosinase RECT Dining Room Counter Table gene, and displayed an autosomal recessive mode of inheritance against the
In recent years, remotely controlling an unmanned aerial vehicle (UAV) to perform coverage search missions has become increasingly popular due to the advantages of the UAV, such as small size, high maneuverability, and low cost.However, due to the distance limitations of the remote control and endurance of a UAV, a single UAV cannot effectively per