Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Chongjian Li"'
Autor:
Ru Liu, Lei Song, Ce Zhang, Lin Jiang, Jian Tian, Lianjun Xu, Xinxing Feng, Linyuan Wan, Xueyan Zhao, Ou Xu, Chongjian Li, Runlin Gao, Rutai Hui, Wei Zhao, Jinqing Yuan, Xiuyuan Hao
Publikováno v:
Chinese Medical Journal, Vol 137, Iss 4, Pp 441-449 (2024)
Abstract. Background:. Risk assessment and treatment stratification for three-vessel coronary disease (TVD) remain challenging. This study aimed to investigate the prognostic value of left atrial volume index (LAVI) with the Synergy Between Percutane
Externí odkaz:
https://doaj.org/article/896130fdb6704a2fa521e1843551879b
Autor:
Jianfei Zhang, Hao Qiu, Qiyu Zhao, Chongjian Liao, Yuxuan Guoli, Qi Luo, Guoshu Zhao, Nannan Zhang, Shaoying Wang, Zhihui Zhang, Minghuan Lei, Feng Liu, Yanmin Peng
Publikováno v:
Schizophrenia, Vol 10, Iss 1, Pp 1-7 (2024)
Abstract Schizophrenia (SCZ), a highly heritable mental disorder, is characterized by cognitive impairment, yet the extent of the shared genetic basis between schizophrenia and cognitive performance (CP) remains poorly understood. Therefore, we aimed
Externí odkaz:
https://doaj.org/article/e4adc3b339b0466699a18161e410e932
Control Strategy of Suppressing Electromechanical Torsional Vibration of Large-power AC Drive System
Publikováno v:
2021 IEEE 4th International Electrical and Energy Conference (CIEEC).
A method based on virtual inertia for suppressing electromechanical torsional vibration of a large-power AC drive system is presented in this paper. The main drive system of the rolling mill is the research object, and a two-inertia elastic model is
Publikováno v:
2019 22nd International Conference on Electrical Machines and Systems (ICEMS).
The combination of new high voltage high power switching devices and multilevel topology is an effective approach to make medium or high voltage and large capacity converters. This paper focused research works on the Integrated Gate Commutated Thyris
Publikováno v:
2019 IEEE 3rd International Conference on Circuits, Systems and Devices (ICCSD).
Active-neutral-point-clamped (ANPC) three-level converter based on IGCT can balance the loss of switching devices. Because of the wide range of the output frequency of the three-level converter, the variation range of the carrier ratio in the whole s
Publikováno v:
2019 22nd International Conference on Electrical Machines and Systems (ICEMS).
This paper investigates the electromagnetic energy transfer process of high-power ac-dc-ac converter. According to different time scales, the energy transfer process can be divided into three parts: the switching transient process of power device, th
Publikováno v:
Journal of Alloys and Compounds. 441:317-322
The flux of nitrogen in cooling systems can be controlled by using a special shape memory alloy to save the consumption of liquid nitrogen. To develop such kind of shape memory alloy, the relation between the microstructure and Ms temperature in Cu
Publikováno v:
Proceedings of the Second International Conference on Mechatronics and Automatic Control ISBN: 9783319137063
The snubber circuit is used to suppress the internal overvoltage and overcurrent of the electronic devices and reduce the switching losses of the device. This chapter studies the commutation process of the high-power five-level bridge converter, espe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c99797c2dd4c7268f2c8dd2b24150447
https://doi.org/10.1007/978-3-319-13707-0_87
https://doi.org/10.1007/978-3-319-13707-0_87
Publikováno v:
2012 IEEE Energy Conversion Congress and Exposition (ECCE).
Nowadays the medium and high voltage large power AC-DC-AC converters are widely used in various industrial fields. The integrated gate commutated thyristor (IGCT) is applied to these converters on a large scale due to its high rated voltage and curre
Publikováno v:
Proceedings of The 7th International Power Electronics and Motion Control Conference.
Large power three-level voltage source converters with IGCT are being used in medium or large power drive systems now and have prospective future. The protection system is very important to the safe operation of the converter. Method should be carefu