Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Song P"'
Publikováno v:
Shock and Vibration, Vol 2022 (2022)
Based on the microseismic monitoring data of underground cavern of Shuangjiangkou Hydropower Station, the internal relationship between rockburst and microseismic events is analyzed and the occurrence mechanism of slip-type rockburst in underground c
Externí odkaz:
https://doaj.org/article/95e10ddca5a14a1886b9d33a944526ce
Publikováno v:
Shock and Vibration, Vol 2022 (2022)
To study the protective performance of ceramic materials against the high-speed penetration of projectiles, seven ceramic-reactive powder concrete (C-RPC) composite targets were designed. Using a 100/30 mm two-stage light-gas gun, penetration tests w
Externí odkaz:
https://doaj.org/article/560342e74fee432b9accf9081a48d4b2
Publikováno v:
Shock and Vibration, Vol 2022 (2022)
Mechanical power loss in pneumatic hammers comes from the friction between parts in relative motion, and wear is among the failure mechanisms of the top hammer. Therefore, it is important for high performance and a longer service life of pneumatic ha
Externí odkaz:
https://doaj.org/article/227129295b8047efaae4aa9b6fa5b836
Publikováno v:
Shock and Vibration, Vol 2019 (2019)
According to the on-site vibration velocity monitoring and peak vibration velocity prediction, it is found that the maximum vibration velocity generated by the existing Dizong blasting scheme does not meet the requirements of the maximum allowable vi
Externí odkaz:
https://doaj.org/article/b74b57f14dd049cc89bc821ef884d7db
Autor:
Xinyang Wang, Junquan Song
Publikováno v:
Advances in Mathematical Physics, Vol 2018 (2018)
The method of conditional Lie-Bäcklund symmetry is applied to solve a class of reaction-diffusion equations ut+uxx+Qxux2+Pxu+Rx=0, which have wide range of applications in physics, engineering, chemistry, biology, and financial mathematics theory. T
Externí odkaz:
https://doaj.org/article/b82fc7b9c017416c8804a17ba3794037
Vibration Characteristics Analysis of Convalescent-Wheelchair Robots Equipped with Dynamic Absorbers
Publikováno v:
Shock and Vibration, Vol 2018 (2018)
To provide a theoretical guidance for the vibration isolation design, the vibration responses characteristics for the convalescent-wheelchair robot with DA (dynamic absorber) undergoing the random road were revealed. Firstly, the vibration model of t
Externí odkaz:
https://doaj.org/article/1f8c60d56b4846c3813312f39b43b6d2
Publikováno v:
Shock and Vibration, Vol 2018 (2018)
In November, 2014, the underwater acoustic (UWA) communication experiment by a single-vector sensor was conducted in shallow water environment. In this paper, three different algorithms are used to process the experimental data and their performance
Externí odkaz:
https://doaj.org/article/36cb41a663f64e1e8d5036f3c2c97763
Autor:
Yunyan Liu, Hongsheng Song, Junshan Xiu, Meiling Sun, Dong Zhao, Zisheng Su, Gongxiang Wei, Fangming Jin
Publikováno v:
Advances in Condensed Matter Physics, Vol 2018 (2018)
The growth dynamics of CH3NH3PbI3 perovskite thin films on ITO covered glass substrate were investigated. The evolution of the film could be divided into two stages. A mound-like surface was obvious at the first stage. Stable dynamic scaling was obse
Externí odkaz:
https://doaj.org/article/24fc225f3eaf4abeb0a29a3c57fa2858
Publikováno v:
Shock and Vibration, Vol 2018 (2018)
The vibration signals are usually characterized by nonstationary, nonlinearity, and high frequency shocks, and the redundant features degrade the performance of fault diagnosis methods. To deal with the problem, a novel fault diagnosis approach for r
Externí odkaz:
https://doaj.org/article/510234c9816c4bf48e12ec7c23e98871
Publikováno v:
Advances in High Energy Physics, Vol 2017 (2017)
The transverse momentum distributions for inclusive ηc,b meson described by gluon-gluon interactions from photoproduction processes in relativistic heavy ion collisions are calculated. We considered the color-singlet (CS) and color-octet (CO) compon
Externí odkaz:
https://doaj.org/article/98d8405d38834698b25221bac54c37d2