Zobrazeno 1 - 10
of 101
pro vyhledávání: '"Zhengguang Chen"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract The long-term operation performance of HVDC transmission systems is significantly influenced by the reliability of thyristors. However, the current reliability research of thyristors is mainly based on the leakage current and there is no com
Externí odkaz:
https://doaj.org/article/6f39221e087842f5ab9580b1eb15ac69
Autor:
Zhengyang Han, Lingyun Wang, Honghu Wang, Hongying He, Yi Song, Menghe Wang, Na Zhao, Zhengguang Chen, Zhenxing Sun, Shan Zhang
Publikováno v:
Frontiers in Cardiovascular Medicine, Vol 11 (2024)
PurposeKidney transplantation (KT) has the potential to reverse the cardiac changes caused by end-stage renal disease, and it may be inaccurate to analysis the left ventricular function by conventional echocardiography due to afterload. This study ai
Externí odkaz:
https://doaj.org/article/965b6529e78d442aa333ec938bdc6f19
Publikováno v:
CSEE Journal of Power and Energy Systems, Vol 10, Iss 3, Pp 903-912 (2024)
To achieve the goal of carbon neutrality, renewable energy integration through a voltage source converter based multi-terminal direct current (VSC-MTDC) system has been identified as a promising solution. To tackle the significant DC voltage over-lim
Externí odkaz:
https://doaj.org/article/328acf0965bb4be4a7a2fde21478e17e
Publikováno v:
IET Generation, Transmission & Distribution, Vol 17, Iss 16, Pp 3638-3647 (2023)
Abstract In the case of dispersed load consumption, Ultra‐high Voltage Direct Current (UHVDC) system in cascaded connection mode can significantly reduce the cost by building DC lines between different ends, but the communication delay caused by it
Externí odkaz:
https://doaj.org/article/8662f7762db04679b0adc14e62318d36
Publikováno v:
Energy Reports, Vol 7, Iss , Pp 118-133 (2021)
The hybrid HVDC system based on line commutated converter and modular multilevel converter is a feasible method to address the common commutation failure at the receiving end of conventional HVDC systems. At present, project Gezhouba–Shanghai in Ch
Externí odkaz:
https://doaj.org/article/d421b83e886644dc90505a44275aa6dc
Publikováno v:
Energy Reports, Vol 7, Iss , Pp 1544-1554 (2021)
The receiving end hybrid LCC-VSC system is a new type of hybrid DC transmission system. In order to suppress continuous commutation failure, this paper optimizes and improves the firing angle control strategy of LCC with AC fault voltage and the DC p
Externí odkaz:
https://doaj.org/article/a6b0418404c74d7794e779d09960748e
Publikováno v:
Frontiers in Neurology, Vol 13 (2022)
ObjectiveTo evaluate the microstructural changes of the vestibulocochlear nerve in patients with Ménière's disease.MethodsA total of 26 subjects, 13 patients with MD and 13 healthy controls, underwent diffusion tensor imaging (DTI) on a 3T scanner.
Externí odkaz:
https://doaj.org/article/a8c3214e230e4accab4aab5a9740ecda
Autor:
Lijie Zhang, Zhengguang Chen, Lei Feng, Liwei Guo, Dong Liu, Jinjin Hai, Kai Qiao, Jian Chen, Bin Yan, Genyang Cheng
Publikováno v:
BMC Medical Imaging, Vol 21, Iss 1, Pp 1-10 (2021)
Abstract Background The aim of this study was to investigate the potential use of renal ultrasonography radiomics features in the histologic classification of glomerulopathy. Methods A total of 623 renal ultrasound images from 46 membranous nephropat
Externí odkaz:
https://doaj.org/article/167eb982652346f68bea4803033b50f5
Publikováno v:
Energy Reports, Vol 6, Iss , Pp 1619-1627 (2020)
The short-circuit transient characteristics of photovoltaic(PV) power system are different from traditional power sources. When the grid voltage drops, the output current of PV will contain a high proportion of second harmonics which cannot be ignore
Externí odkaz:
https://doaj.org/article/0be474087d7b42f5a488df6c93e1456b
Publikováno v:
Hereditas, Vol 157, Iss 1, Pp 1-7 (2020)
Abstract Background This study aimed to explore the biological activities of miR-330-3p in dextan sulphate sodium (DSS)-induced ulcerative colitis and apoptosis and the direct target of miR-330-3p in this process. HT-29 cells and male C57BL/6 mice we
Externí odkaz:
https://doaj.org/article/a32d4a50592c4c56a250dca5ffd913fa