Results 101 to 110 of about 1,354 (148)

基于耦合负压的改进型多端口中压直流断路器拓扑研究

Gaoya dianqi
柔性直流配电网的可靠性建立在成熟的中压直流断路器基础之上，然而直流断路器高昂的造价限制了其在配电网中的应用。为了降低直流断路器在配电网中的投资成本，结合耦合负压换流方式，设计了一种改进型多端口混合式直流断路器。首先，对现有直流断路器的拓扑结构进行了分析；然后，提出了改进型多端口混合式直流断路器的拓扑结构，对分断故障时的动作时序进行了设计；最后，基于Pscad/Emtdc搭建了四端环网型柔性直流配电网，仿真分析了改进型多端口混合式直流断路器切除双极短路故障时的暂态特性，得到了内部电压、电流的分布情况 ...
刘书瀚, 庄园, 李晨颉, 汪毅峰, 王若兰, 李江涛   +5 more
doaj  

[Research advances in clear aligner]. [PDF]

Hua Xi Kou Qiang Yi Xue Za Zhi
Chen S.
europepmc   +1 more source

[How I treat vasovagal syncope in children]. [PDF]

Zhongguo Dang Dai Er Ke Za Zhi
Zou RM, Wang C.
europepmc   +1 more source

[Structural design and mechanical analysis of a "drum-shaped" balloon-expandable valve stent in expanded configuration]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Zhao Y, Hou Q, Zhou J, Chen S, Zhang H, Qiao A.   +5 more
europepmc   +1 more source

[Chinese Expert Consensus on Clinical Management of Oncogene Addicted 
Non-small Cell Lung Cancer with Leptomeningeal Metastasis (2026 Edition)]. [PDF]

Zhongguo Fei Ai Za Zhi
Lung Cancer Medical Education Committee of Chinese Medical Education Association, Metastasis Lung Cancer Collaboration Group, Youth Specialists Committee of Beijing Medical Reward Foundation.   +2 more
europepmc   +1 more source

[Research on tissue regeneration and engineered scaffold materials in prevention and treatment of lymphedema]. [PDF]

Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Yuan S, Deng C.
europepmc   +1 more source

[Development of a balloon sensor device for force-electrical coupling measurement of esophagus]. [PDF]

Sheng Wu Yi Xue Gong Cheng Xue Za Zhi
Ran P, Zhong Y, Lai Y, Liu L, Zhu Y, Zhu H.   +5 more
europepmc   +1 more source

[Researches and clinical translation of smart dressings]. [PDF]

Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Lyu GZ, Zhao P.
europepmc   +1 more source

[Clinical efficacy of free anterolateral thigh tissue flap transplantation with a single-vein dual-drainage system at recipient site in repairing scalp high-voltage electrical burn wounds]. [PDF]

Zhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Nie GC, Zheng W, Hao XG, Li ZY, Shao TB, Mou B, Liu Y, Meng XY, Feng JH, Wu BN.   +9 more
europepmc   +1 more source

[Construction of cardiac organoids derived from human induced pluripotent stem cells for cardiac disease modeling and drug evaluation]. [PDF]

Nan Fang Yi Ke Da Xue Xue Bao
Gong X, Fan Y, Luo K, Yan Y, Li Z.
europepmc   +1 more source