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A spring-based resonance coupling for hugely enhancing the ...A spring-based resonance coupling for hugely enhancing the performance of triboelectric nanogenerators for harvesting low-frequency vibration energy Changsheng Wua,1, Ruiyuan Liua,1, Jie Wanga, Yunlong Zia, Long Lina, Zhong Lin Wanga,b,c,⁎ a School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA, USA b Beijing Institute of Nanoenergy and ...

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Holidays at Disney Springs | Walt Disney World .Disney Springs will begin a phased reopening on May 20. Here's what to know before you go. Other areas of Walt Disney World Resort remain closed, including theme parks and Disney Resort hotels. Learn about this closure. Upon reopening, theme parks, Disney Resort hotels, restaurants, attractions, experiences and other offerings may be modified and will be limited in capacity and subject to ...Holidays at Disney Springs | Walt Disney World .Disney Springs will begin a phased reopening on May 20. Here's what to know before you go. Other areas of Walt Disney World Resort remain closed, including theme parks and Disney Resort hotels. Learn about this closure. Upon reopening, theme parks, Disney Resort hotels, restaurants, attractions, experiences and other offerings may be modified and will be limited in capacity and subject to ...

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