The article presents the results of theoretical and experimental research of acoustic emission of friction units during rolling-sliding friction contact.The purpose of this study is the development of a method of accelerated gator mini bone assessment of contact fatigue strength with the application of acoustic emission during friction contact.The
Shuangcheng Yu,1,* Haiqing Su,2,* Jianchang Lu,1 Fanyu Zhao,1 Fangyan Jiang2 1Department of Radiology, Minzu Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi, 530001, People’s Republic of China; 2Department of Medical Ultrasound, Minzu Hospital of marca corona laurel Guangxi Zhuang Autonomous Region, Nanning, Guangxi, 530001, Pe
Abstract Objective Physiological blood pressure changes in pregnancy are insufficiently defined.This paper describes the blood pressure changes across healthy pregnancies in a Southern Chinese population to present gestational - age - specific blood pressure ranges with smoothed centiles (3rd, 10th, 50th, 90th, and 97th).Methods Antenatal blood pre
With the deepening of research on Bitcoin privacy protection, Bitcoin, a new type of digital currency, has become more difficult to regulate.A Bitcoin privacy protection confusion scheme cactus tiki mug with regulatory RBmix is proposed for this problem.The model of RBmix uses a fair blind signature algorithm and introduces trusted marca corona lau