Results 81 to 90 of about 1,101,459 (243)

An Integrated Oxygen‐Supplying Device and Predictive Multiphysics Model for Extended Ambient Transport of Insulin‐Producing Cells

Advanced Functional Materials, EarlyView.
Cell therapies typically rely on cold‐chain logistics and cryopreservation, limiting access and compromising cell quality. Here, a dual‐chamber device separates an oxygen‐supplying chamber from a hyaluronic acid cargo chamber, sustaining oxygen delivery for over 70 h and enabling ambient‐temperature shipment.
Daniel A. Domingo‐Lopez, Ruth Tarpey, Benjamin Brennan, Bryan D. Boyle, Amir M. Alsharabasy, Abhik Mallick, Gabriella Bellavia, Abhay Pandit, Garry P. Duffy, Ruth E. Levey   +9 more
wiley   +1 more source

Research on key technologies in ±1100 kV ultra-high voltage DC transmission

, 2018
Based on completely mastering ±800 kV transmission technologies, the first ±1100 kV direct current (DC) transmission demonstration project is being constructed in China.
Jun Yu, Fuxuan Zhang, Zehong Liu, Keli Gao, Weimin Ma   +4 more
core   +1 more source

Rapid Microwave Plasma Engineering of HfO2/C@C Core‐Shell Fibrous Membrane Toward Flexible High‐Performance Electromagnetic Wave Absorption

Advanced Functional Materials, EarlyView.
Rapid microwave plasma torch engineering tunes crystal phases, carbon graphitization and oxygen‐vacancy defects in HfO2/C@C core‐shell fibrous membranes. Synergistic multi‐loss effects optimize impedance matching to deliver −65.75 dB reflection loss and a 7.37 GHz effective bandwidth for flexible electromagnetic wave absorption.
Qichao Ding, Limeng Song, Wei Li, Jiangtao Hao, Xuewen Jiang, Mengru Li, Xinglai Yuan, Gang Wang, Yanqiu Zhu, Mi Tian, Hailong Wang, Hongxia Li, Biao Zhao, Rui Zhang, Bingbing Fan   +14 more
wiley   +1 more source

±1100kV特高压直流换流站直流场雷电侵入波过电压研究

Dianci bileiqi, 2016
目前±1 100 kV特高压直流系统还没有工程实际,但直流电压由±800 kV提高到±1100 kV后,±1 100 kV直流换流站直流场防雷可能会面临一些新问题。例如线路进线段杆塔比±800 kV更高,绕击和反击电流会更大,导致直流换流站直流场雷电侵入波过电压也会更高,而受设备制造、运输能力和高度的限制,换流站设备的内外绝缘水平并不是按比例线性增大的,这样对±1 100 kV直流换流站直流场的避雷器布置和保护水平提出了更严格的要求。本文依托准东-重庆±1 100 kV直流输电工程 ...
万磊, 范冕, 何慧雯
doaj  

Vibration Model of ±800 kV Converter Transformers Under Varying Load Conditions

Energies
Understanding the relationship between current harmonics and vibration is crucial for accurately modeling converter transformer vibrations, particularly under varying load conditions. In this study, vibrations of six converter transformers were monitored
Ning Wang, Jing Zheng, Yao Yuan
doaj   +1 more source

Biodegradable 3D‐Printable and Coatable Antifouling Composites for Marine Applications

Advanced Functional Materials, EarlyView.
Marine biofouling damages submerged surfaces and raises greenhouse gas emissions. Biodegradable antifouling biocomposites were developed by hot‐mixing beeswax, Tween 80, and calcium stearate or stearic acid. Adjusting the component ratio enables processing via hot‐pressing, 3D‐printing, or dip‐coating.
Gabriele Corigliano, Lorenzo Ravelli, Martina Nardi, Ruowen Tu, Elena Bellini, Valerio Isa, Carlo Filippeschi, Roberta Finazzi, Luca Ceseracciu, Niloofar Paknezhad, Vincenzo Scribano, Paolo Galli, Silvia Lavorano, Simone Montano, Barbara Mazzolai, Marco Contardi, Pietro Cataldi, Athanassia Athanassiou   +17 more
wiley   +1 more source

Kohti korkeakoulutuksen ja tutkimuksen kansainvälisyyden edistämisen linjausten päivitystä : KV-foorumin väliraportti

, 2022
Opetus- ja kulttuuriministeriön asettama korkeakoulutuksen ja tutkimuksen kansainvälisten asioiden foorumin (1.3.2020–31.12.2023) tehtävänä on seurata ja kehittää korkeakoulutuksen ja tutkimuksen kansainvälisten linjausten toimeenpanoa ja ...

core  

Unique Role of Microstructure of a Bioimplant Zinc Alloy and Protein Content of Simulated Body Fluid in Corrosion and Fracture

Advanced Functional Materials, EarlyView.
BSA addition to physiological solutions enhances resistance of a Zn alloy to stress corrosion cracking (SCC) but reduces its corrosion resistance. Extended surface characterization explains the contrasting influences on corrosion and SCC. Unexpectedly, the alloy suffers transgranular SCC (TGSCC), despite extensive grain boundary precipitation. Thorough
RK Singh Raman, Syed Hussain Wajahat, Saad Al‐Saadi, Robin E. Schäublin, Peng Zeng, Solomon Ansah, Jixing Lin, Xian Tong, Cuie Wen, Jörg F. Löffler   +9 more
wiley   +1 more source

Analysis of short-circuit current and spacer safety condition assessment in ±800 kV transmission line

At present, there are few studies on the bearing capacity and safety of spacer rod under short-circuit fault of ultra high voltage (UHV) DC transmission line.
ZHANG Li, LI Qing, YE Zhongfei, RUAN Jiangjun, WANG Dong, YANG Xiaohui, WU Chuan   +6 more
core   +1 more source

Study on clearance optimisation and altitude correction of 750 kV AC side for UHVDC converter transformer

, 2019
AC system which ±800 kV converter station access to commonly used 500 kV voltage level. With the construction of the Northwest Energy Base, a large number of ultra-high-voltage direct current (UHVDC) project are constructing.
Xiuyuan Yao, Chen Gu, Yujian Ding, Xi Wang   +3 more
core   +1 more source