Results 61 to 70 of about 1,635 (257)

Synergistic Enhancement of Electrical‐Thermal Properties in KH550/G‐POSS Functionalized BN/Epoxy Composites for High‐Frequency Transformer Insulation

Advanced Science, EarlyView.
A BN@G‐POSS/EP nanocomposite is developed for high‐frequency transformer insulation in power electronic transformers. Through synergistic interface engineering, it simultaneously enhances thermal conductivity, reduces viscosity, and improves electro‐thermal stability.
Jun Jiang, Shaojie Luo, Dezhi Cui, Zeya Huang, Shuai Jiang, Renli Fu, Yuan Wang   +6 more
wiley   +1 more source

T2T Genome Assembly and Multi‐Omics Data Reveal Terrestrial Adaptation and Mucus Biosynthesis in Tropical Leatherleaf Slug (Laevicaulis alte)

Advanced Science, EarlyView.
A gap‐free genome assembly and multi‐omics comparison of the terrestrial slug Laevichaulis alte with an aquatic relative reveal that expansion of the VEGF family orchestrates mucus production, lipid metabolism, and immune defense—highlighting key molecular innovations for conquering life on land.
Gang Wang, Shaofang He, Zhongkai Wang, Aobo Pang, Xiaoli Sun, Rongchen Liu, Fang Wang, Sisi Chen, Zhijuan Bian, Dongcheng Wei, Liuhan Wu, Siyao Zhao, Qiuting Ji, Yiqi Sun, Niying Sun, Yushinta Fujaya, Boping Tang, Kianann Tan, Daizhen Zhang, Lianfu Chen   +19 more
wiley   +1 more source

High Power Auxiliary Converter for EMU with Permanent Magnet Traction Motor

Kongzhi Yu Xinxi Jishu, 2015
It presented the main circuit, technical parameters and general structure of 270 kVA auxiliary converter for EMU with permanent magnet traction motor.
WANG Jiajia, CHEN Xiang, TAN Miao, YAN YanJiao, LIU Changqing, LUO Dewei   +5 more
doaj  

Human Urine Stem Cells Alleviate Pulmonary Fibrosis via Inhibiting Macrophage‐Myofibroblast Transition

Advanced Science, EarlyView.
Therapeutic role and mechanism of human urine stem cells (hUSCs) in pulmonary fibrosis. hUSCs alleviated pulmonary fibrosis by selectively inhibiting macrophage‐myofibroblast transition (MMT) in two ways: on one hand, hUSCs inhibited mitochondrial reactive oxygen species (mtROS) production and apoptosis/senescence of epithelial cells in pulmonary ...
Zhou‐Hang Zhang, Guan‐Lin Guo, Xiao‐Hui Guan, Min Hu, Qi‐Ming Huang, Ding‐Wen Guo, Hao‐Cheng Gu, You‐Qiong Zhuo, Ning Li, Hong‐Bo Xin, Ke‐Yu Deng   +10 more
wiley   +1 more source

The latest generation drive for electric buses powered by SiC technology for high energy efficiency

MATEC Web of Conferences, 2018
High energy efficiency and increasing the working frequency of the converter will make it possible to minimize the size of the cooling system and reduce energy consumption.
Biliński Janusz
doaj   +1 more source

Bio‐Inspired Bidirectional Winding Origami With Programmable Modular Reconfigurability and Scalability

Advanced Science, EarlyView.
A bio‐inspired bidirectional‐winding origami platform enables scalable and programmable deployable structures. Double axial folding inspired by earwig hindwings and Flasher‐based hybridization create modular multilayer architectures with diverse attainable winding angles under fixed boundary conditions.
Wenyao Zhang, Chunlong Wang, Mingli Liu, Chuang Shi, Hongwei Guo, Rongqiang Liu   +5 more
wiley   +1 more source

Simulation Research on Output Characteristics of Auxiliary Inverter for Meter-gauge Electric Locomotive

Kongzhi Yu Xinxi Jishu, 2016
Meter-gauge electric locomotive is applicable to passenger and cargo transportation, which has strict requirements for size and module number of traction converter.
ZHENG Yong, HUANG Qing, QIN Fangfang
doaj  

From Displacement to Angle: Diamond‐Based 3D Rotation Sensing for High‐Precision Cellular Force Measurement

Advanced Science, EarlyView.
Cellular forces are traditionally inferred from displacement measurements, which lack rotational information and are constrained by linear model assumptions. This work replaces displacement with rotational angle for the fundamental mechanical readout.
Linjie Ma, Bicong Wang, Tai Nam Yip, Jiahua Zhang, Yicheng Wang, Luyao Zhang, Yong Hou, Yuan Lin, Zhiqin Chu   +8 more
wiley   +1 more source

THE MINIMALIZATION OF FILTER EQUIPMENT FOR TRACTION SUBSTATIONS USING BOOSTER CONVERTER

Nauka ta progres transportu, 2008
The structure of traction substation 3,2 kV DC power source is considered. It is shown that the output filter choke of traction substation with voltage added converter may be excluded. A dynamic model of voltage added converter is developed, its features,
Yu. P. Goncharov, V. V. Zamaruev, V. V. Ivahno, R. I. Liubych, N. V. Panasenko   +4 more
doaj  

Research on Crowbar Protection Circuit in Traction Converter

, 2021
In view of the current status of IGBT failures causing serious consequences in traction converter, several common IGBT power module failure modes were analyzed, crowbar protection circuit and principle were introduced, and the qualitative and quantitative comparisons of with/without crowbar protection circuit in various failure modes were carried out ...
Yupeng LI, Jianhui FU, Yongjiang LIU, Ronghui FAN, Xionghui TANG, Zhenjun LIN   +5 more
openaire   +1 more source