http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
The properties of SBFTi-x ferroelectric ceramics
Wang Lingxu,Zhang Fengqing,Guo Xiaodong,Fan Suhua 한양대학교 세라믹연구소 2017 Journal of Ceramic Processing Research Vol.18 No.11
BFO(BiFeO3)-SBTi(Sr2Bi4Ti5O18) composite ferroelectric ceramics(referred to as SBFTi-x) were prepared by Sr2Bi4Ti5O18 and BiFeO3, with the increasing of BFO content, compared to SBTi ceramics, Bi3+ and Fe3+ co-doped in A and B site cause the lattice distortion, which make SBFTi-x ceramics show the higher the remanent polarization and low leakage current density at room temperature. SBFTi-0.3 ceramic exhibits excellent ferroelectric properties at the electric field of 85kV/cm, the remanent polarization 2Pr and coercive field 2Ec is 18.66μC/cm2 and 77.7kV/cm respectively, the lowest leakage current density J= 2.34×10-6A/cm2. In addition, with the increase BFO content, the changes of oxygen concentration and built-in electric field make the leakage current mechanism of SBFTi-x ceramics turn into the Ohms transmission mechanism-based from the Space-charge limit for leading.
Tao Xu,Lingxu Guo,Wei Wei,Xiaoxue Wang,Chengshan Wang,Jun Lin,Tianchu Li 대한전기학회 2016 Journal of Electrical Engineering & Technology Vol.11 No.2
The increasing penetration of distributed energy resources on the distribution networks have brought a number of technical impacts where voltage and thermal variations have been identified as the dominant effects. Active network management in distribution networks aims to integrate distributed energy resources with flexible network management so that distributed energy resources are organized to make better use of existing capacity and infrastructure. This paper propose active solutions which aims to solve the voltage and thermal issues in a distributed manner utilizing a collaborative approach. The proposed algorithms have been fully tested on a distribution network with distributed generation units.
Su Wei,Guo Yingying,Wang Qianqian,Ma Lu,Zhang Qing,Zhang Yuhan,Geng Yiding,Jin Tongzhu,Guo Jiayu,Yang Ruoxuan,Niu Zhihui,Ren Lingxue,Wang Yanjie,Ning Zhiwei,Li Wenyue,He Wenxin,Sun Jian,Li Tianyu,Li Z 생화학분자생물학회 2024 Experimental and molecular medicine Vol.56 No.-
The senescence of alveolar type II (AT2) cells impedes self-repair of the lung epithelium and contributes to lung injury in the setting of idiopathic pulmonary fibrosis (IPF). Yes-associated protein 1 (YAP1) is essential for cell growth and organ development; however, the role of YAP1 in AT2 cells during pulmonary fibrosis is still unclear. YAP1 expression was found to be downregulated in the AT2 cells of PF patients. Deletion of YAP1 in AT2 cells resulted in lung injury, exacerbated extracellular matrix (ECM) deposition, and worsened lung function. In contrast, overexpression of YAP1 in AT2 cells promoted alveolar regeneration, mitigated pulmonary fibrosis, and improved lung function. In addition, overexpression of YAP1 alleviated bleomycin (BLM) -induced senescence of alveolar epithelial cells both in vivo and in vitro. Moreover, YAP1 promoted the expression of peroxiredoxin 3 (Prdx3) by directly interacting with TEAD1. Forced expression of Prdx3 inhibited senescence and improved mitochondrial dysfunction in BLM-treated MLE-12 cells, whereas depletion of Prdx3 partially abrogated the protective effect of YAP1. Furthermore, overexpression of Prdx3 facilitated self-repair of the injured lung and reduced ECM deposition, while silencing Prdx3 attenuated the antifibrotic effect of YAP1. In conclusion, this study demonstrated that YAP1 alleviates lung injury and pulmonary fibrosis by regulating Prdx3 expression to improve mitochondrial dysfunction and block senescence in AT2 cells, revealing a potential novel therapeutic strategy for pulmonary fibrosis.
Wei Wei,Tao Xu,Xiaoxue Wang,Chengshan Wang,Lingxu Guo,Jun Lin,Tianchu Li 대한전기학회 2016 Journal of Electrical Engineering & Technology Vol.11 No.2
The increasing penetration of distributed energy resources on the distribution networks have brought a number of technical impacts where voltage and thermal variations have been identified as the dominant effects. Active network management in distribution networks aims to integrate distributed energy resources with flexible network management so that distributed energy resources are organized to make better use of existing capacity and infrastructure. This paper propose active solutions which aims to solve the voltage and thermal issues in a distributed manner utilizing a collaborative approach. The proposed algorithms have been fully tested on a distribution network with distributed generation units.