Zobrazeno 1 - 10
of 363
pro vyhledávání: '"Qiang Qian"'
Publikováno v:
IEEE Access, Vol 8, Pp 124275-124287 (2020)
For inverters, a phase-locked loop (PLL) is usually needed for the grid synchronization. Typically, for the single-phase inverters, the orthogonal-signal-generators based PLLs (e.g., delay-based PLL) can be used. However, if the grid at the point of
Externí odkaz:
https://doaj.org/article/84ef1e8818854ef18b7dc366147c1dde
Autor:
Zhonglin Lin, Qi Xie, Qiang Qian, Tianhong Zhang, Jiaming Zhang, Jiaquan Zhuang, Weixiong Wang
Publikováno v:
Actuators, Vol 10, Iss 10, p 260 (2021)
In the industrial automated production line, how to use the existing low-cost pneumatic equipment to obtain the best positioning effect has become a significant engineering problem. In this paper, a differential switching method is proposed in a pneu
Externí odkaz:
https://doaj.org/article/5534aa14091945558ccd3f2eb99747f8
Publikováno v:
Advances in Mechanical Engineering, Vol 9 (2017)
Health monitoring of train bearing is crucial to railway transport safety. More and more attention has elicited by the wayside acoustic monitoring technique in recent years than other defect detection techniques. However, wayside acoustic signal cont
Externí odkaz:
https://doaj.org/article/cd62a78ccfc6469eaa3878eab758130a
Publikováno v:
Shock and Vibration, Vol 2017 (2017)
Envelope spectrum analysis is a simple, effective, and classic method for bearing fault identification. However, in the wayside acoustic health monitoring system, owing to the high relative moving speed between the railway vehicle and the wayside mou
Externí odkaz:
https://doaj.org/article/6f6c36236de94ae480bc5131d547d3c7
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 6, Pp o1916-o1916 (2012)
The crystal structure of the title compound, C31H22N4O4, features weak C—H...O interactions. The dihedral angle between the fused benzene and furan rings is 2.49 (15)°, while that between the triazole and pyridine rings is 10.23(18)°.
Externí odkaz:
https://doaj.org/article/2613847dbde64e0c96302a30ef3ae5d3
Publikováno v:
In Catalysis Today 1 December 2024 442
Autor:
Li, Xinxin, Qiang, Qian, Ding, Yangming, Xing, Yanan, Ji, Jianwei, Wang, Hua, Pan, Xiaoli, Zhang, Bo, Li, Changzhi
Publikováno v:
In Chemical Engineering Science 5 March 2024 285
Autor:
Guo, Luxian, Ding, Yangming, Wang, Hua, Liu, Yuxuan, Qiang, Qian, Luo, Qi, Song, Fei, Li, Changzhi
Publikováno v:
In iScience 16 June 2023 26(6)
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