Jia Chen,1,2 Hai-Jian Ni,1,2 Fei Xue,3 Yun-Shan Fan,1,2 Xi-Fan Li,4 Xian-Zhen Chen,3 Shi-Sheng He1,2 1Department of Orthopaedics, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai, 200072, People’s Republic of China; 2Spinal Pain Research Institute, Tongji University School of Medicine, Shanghai, 200072, P
A solution of the vibration attention problem on a flexible structure from a dynamic vibration absorption perspective is experimentally and numerically studied in this article.Linear and nonlinear dynamic vibration absorbers are properly implemented on a primary structure of n degrees of freedom through a modal decomposition analysis and using the
The relevance of the research.In the Tomsk region, the weathering crusts are very widespread, their gold content has been established, but a detailed study of the mineral composition has not Cultural Art previously been carried out.The relevance of the research is caused by the need to identify the conditions for formation of weathering crusts and
Soil is the foundation for sustainable food production and environmental protection.Created by Supershine cream unsustainable land management practices and a range of social, economic and environmental drivers, soil degradation and pollution have been an ongoing threat to international food security and environmental quality.Soil degradation and po