Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Yannan HAN"'
Autor:
Yannan HAN
Publikováno v:
Meikuang Anquan, Vol 55, Iss 7, Pp 232-239 (2024)
In view of the complex transportation route of coal mine, there are many forks and corners in the roadway, which is easy to bring hidden dangers to the safety of underground transportation. In this paper, a method for identifying the intersection and
Externí odkaz:
https://doaj.org/article/f1b0162ce63c4b33ba056031e0a88800
Autor:
Yannan HAN
Publikováno v:
Meikuang Anquan, Vol 55, Iss 4, Pp 213-219 (2024)
Aiming at the problems of low efficiency of coal mine data utilization and less data sharing caused by the lack of standardized coal mine data model, this paper studies the three-dimensional spatial multivariate data relationship and attribute data p
Externí odkaz:
https://doaj.org/article/3b66475eb00b4aa1939b6b6068034b8a
Autor:
Yannan HAN
Publikováno v:
Meikuang Anquan, Vol 55, Iss 1, Pp 225-232 (2024)
Aiming at the problems of missing identification of passengers caused by excessive moving speed of underground vehicles and shielding of vehicle casings, the inability to effectively control the overload of vehicles, the existence of potential safety
Externí odkaz:
https://doaj.org/article/ff5c0c10bdfe4a6095dc113853f5ca1f
Autor:
Yannan HAN
Publikováno v:
Meikuang Anquan, Vol 54, Iss 9, Pp 218-226 (2023)
The Intelligent Demonstration Coal Mine Acceptance Management Measures (Trial) stipulates that the transportation of type I coal mine trackless rubber-tyred vehicles must have the function of monitoring vehicle running state parameters (over sp
Externí odkaz:
https://doaj.org/article/4884eaa4aa66404c93bfbe0b20eb7f8d
Autor:
Xinlei Tian, Min Guo, Xiaoya Zhang, Lingfeng Guo, Nan Lan, Yaojun Cheng, Yannan Han, Mingxin Wang, Zhonglu Peng, Changlin Zhou, Hongye Fan
Publikováno v:
Frontiers in Pharmacology, Vol 13 (2022)
Antibiotics resistance is one of the most significant public health threats globally. Strategies that strengthen host defenses to control pathogen infection has become a hot research field. Macrophages are part of early host defense mechanisms, and a
Externí odkaz:
https://doaj.org/article/c5919297fb314037983d99657df84fa3
Publikováno v:
Vibroengineering PROCEDIA. 14:283-287
The piezoelectric acoustic liner is a new type of acoustic liner that uses piezoelectric patches to replace the traditional mechanical structure. Its working principle is to change the resonator volume of acoustic liner by inverse piezoelectric effec
Autor:
Yannan Han, Haifeng Lv
Publikováno v:
Proceedings of the 2015 3rd International Conference on Machinery, Materials and Information Technology Applications.
The Helmholtz resonator is widely used as an effective way to reduce noise around the resonance frequency. But the resonator is a single degree of freedom and has a narrow resonance frequency band which determined by its geometry. This paper used thr
Publikováno v:
Vibroengineering Procedia; Oct2017, Vol. 14, p283-287, 5p
Publikováno v:
BMC Anesthesiology, Vol 20, Iss 1, Pp 1-8 (2020)
Abstract Background The double lumen endotracheal tube (DLT) is the most widely-used device for single lung ventilation in current thoracic anesthesia practice. In recent years, the routine application of the videolaryngoscope for single lumen endotr
Externí odkaz:
https://doaj.org/article/a1ebf36d35d74658bc684fa50e2853df