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Xiaoyu Lu, Ruipeng Qin, Chunliang Dong and Chaotao Fan
In many underground engineering projects, rocks are often subjected to cyclic loading and unloading, such as repeated excavation of roadway surrounding rock, which will lead to damage to underground rocks, and the energy of rocks also changes. Therefore,...
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Nikolay Kyurkchiev and Anton Iliev
In this article, we explore a new extended Lienard-type planar system with ?corrections? of the second kind Chebyshev?s polynomial Un" role="presentation">????Un
U
n
. The number and type of limit cycles are also studied. The discussion on the y(t)" role...
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Serges Mendomo Meye, Guowei Li, Zhenzhong Shen and Jingbin Zhang
Along with the increased use of water resources, some large water conservancy projects began construction to address power supply shortages and control flooding and drainage. As investment grows, construction cycles lengthen, external environmental impac...
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Jun Wang, Jia-He Chen, Zhen-Chong Chen, Zhen-Yi Wu, Xiao-Na Zhong and Jing-Ping Ke
The safety problem caused by lithium dendrite of lithium metal anode and the rapid capacity decay problem caused by the shuttle effect of polysulfide and polyselenide during the charge and discharge of selenium disulfide cathode limit the application of ...
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Timo Schlette and Stephan Staudacher
Currently projected supersonic business jets target selected supersonic flight missions with Mach numbers of about 1.4 and a larger number of long-range subsonic flight missions. They form a new type of aircraft that is specially tailored to these requir...
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