Zobrazeno 1 - 10
of 109
pro vyhledávání: '"Kejian Chen"'
Publikováno v:
Materials, Vol 17, Iss 14, p 3534 (2024)
Increasing attention is being paid to the application potential of multi-functional reconfigurable metamaterials in intelligent communication, sensor networks, homeland security, and other fields. A polarization-independent multi-functional reconfigu
Externí odkaz:
https://doaj.org/article/8edcd409d07d420e836a927bdb52fc54
Publikováno v:
Applied Sciences, Vol 10, Iss 5, p 1829 (2020)
The demand for multi-functional soft actuators with simple fabrication and fast response to multiple stimuli is increasing in the field of smart devices. However, for existing actuators that respond to a single stimulus, it is difficult to meet the r
Externí odkaz:
https://doaj.org/article/4d16d162b0c245d4bf9e65e695cac74f
Publikováno v:
Advances in Condensed Matter Physics, Vol 2018 (2018)
Metasurfaces can reshape the wavefront in the desired manner by manipulating the phase profile and amplitude of the incident wave. In this paper, we demonstrate an ultrathin terahertz metalens based on our designed resonator structure, where the pola
Externí odkaz:
https://doaj.org/article/bf75bfdb0c4b491ebb3f697d2787f0e9
Publikováno v:
Shock and Vibration, Vol 2015 (2015)
Compared with medium and small span bridges, very limited attention has been paid on the research of the impact coefficient of long-span railway bridges. To estimate the impact effects of long-span railway bridges subjected to moving vehicles, a real
Externí odkaz:
https://doaj.org/article/6cd943348c6d4b929912c72bd031c244
Publikováno v:
International Journal of Otolaryngology, Vol 2011 (2011)
Objective. Inhibition of inflammation and free radical formation in the cochlea may be involved in antioxidant treatment in acute acoustic trauma. Procedure. Chinchilla were exposed to 105 dB sound pressure level octave band noise for 6 hours. One gr
Externí odkaz:
https://doaj.org/article/5ad5cf286f8d41eda8168909ef9573a8
Publikováno v:
Environmental Technology. :1-16
This study investigated a novel magnesium carbon micro-electrolysis (Mg-C ME) system for strengthening the removal of phenolic compounds in wastewater. The effects of the Mg/C mass ratio, aeration intensity, initial pH and reaction time on the degrad
Autor:
Ze Zhang, Lijun Hang, Anping Tong, Kejian Chen, Zhenyuan Ou, Yuanbin He, Zhen He, Pingliang Zeng, Qiuwei Wu, Guojie Li
Publikováno v:
IEEE Transactions on Power Electronics. 37:7789-7808
Publikováno v:
Optics express. 30(18)
In this paper, a chiral excitation method based on the asymmetric interface condition is proposed. The chiral characteristics of the metamaterials are affected by the difference in the environmental parameters of the front and rear surfaces. Thus, th
Publikováno v:
Materials Letters. 338:134037
Autor:
Dajun Zhang, Kejian Chen, Yanjun Fu, Xiong Wang, Yao Wei, Songlin Zhuang, Shihao Li, Xiaofan Zhang
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 19:821-825
In this letter, a swastika-shaped ultrabroadband metamaterials absorber is proposed. The designed absorber can be fabricated with the polylactic acid by 3-D printing, and packaged after filling with water. The absorber can achieve greater than 90% ab