Results 81 to 90 of about 1,140 (275)

Improved transient earth fault clearing on solid and resistance earthed MV netwworks

, 2011
Includes bibliographical references.The aim of this thesis is to endeavour to develop, through a literature study, a method or methods whereby transient earth faults on neutral earthed MV networks may be cleared without customer supply interruptions ...
Scholtz, J P
core  

Shaping Matter with Acoustic Waves: From Particles to Functional Structures

Advanced Functional Materials, EarlyView.
Acoustic‐directed assembly is reviewed as a materials‐oriented strategy for organizing particles, polymers, metals, and biological systems into functional structures. The review distinguishes reversible manipulation from permanent structure formation through medium fixation, particle fixation, and in situ material generation, highlighting routes toward
Avraham Kenigsberg, Shelly Zlotnikov, Maya Fiorentino, Yuval Elias, Ornit Nagler‐Avramovitz, Hagay Shpaisman   +5 more
wiley   +1 more source

POWER SYSTEM NEUTRAL POINT GROUNDING

, 2017
The method used for neutral point grounding is very important for power network operation. There are many ways of grounding, which are used in practice, and the decision on the method of neutral grounding depends on the situation in the network ...
ANTE MARUŠIĆ, DRANDIĆ, ANA, JURAJ HAVELKA, MARUŠIĆ, ANTE, HAVELKA, JURAJ, MARINO DRANDIĆ, DRANDIĆ, MARINO, ANA DRANDIĆ   +7 more
core  

Clusterization‐Triggered Emission from Cellulose‐Based Luminophores in Dilute Aqueous Solution through Imine Formation

Advanced Functional Materials, EarlyView.
Clusterization‐triggered emission is realized in dilute aqueous solution by introducing imine linkages into cellulose‐based luminophores. Imine functionalization creates O/N‐rich, hydrogen‐bonded clustered microenvironments that stabilize emissive states and restrict molecular motions. Luminescence is tunable by amine type and multiplicity.
Yazhou Su, Akihide Sugawara, Madhurangika Panchabashini Horathal Pedige, Youhei Takeda, Satoshi Minakata, Hiroshi Uyama   +5 more
wiley   +1 more source

Counterintuitive Fluorescence Blue Shift in Symmetry Breaking Dicationic Bis(indolium) with Two‐Photon Absorption Properties for NIR Living Cell Imaging

Advanced Materials, EarlyView.
Highly water‐soluble dicationic bis(indolium) dyes have been prepared, showing excellent two‐photon absorption and light emission. Their fluorescence behavior discloses an unusual increasing blue shift with increasing solvent polarity, which, in parallel, is beneficial for enhanced detection in biological media.
Carlos Benitez‐Martin, Jose M. Marin‐Beloqui, Juan T. López Navarrete, Juan Casado, Francisco Najera, Ezequiel Perez‐Inestrosa   +5 more
wiley   +1 more source

Current and voltage behaviour during a fault in a HV/MV system: Methods and measurements [PDF]

, 2015
When a single line to ground fault happens on the MV side of a HV/MV system, only a small portion of the fault current is injected into the ground by the ground-grid of the faulty substation.
Parise L., Torelli F., E. Morozova, Valtorta, G., PARISE, Giuseppe, Cafaro G., R. Tommasini, Di Silvestre M. L., A. De Simone, Napoli, Roberto, Tummolillo F., G. Parise, MARTIRANO, Luigi, Riva Sanseverino, E., Valtorta G., Pariseg., Morozova E., Cafaro, G., DI SILVESTRE, Maria Luisa, M. L. Di Silvestre, Di Silvestre, M.L., G. Valtorta, E. Pons, Pons, Enrico, Montegiglio P., Zizzo, G., P. Montegiglio, Colella, Pietro, G. Cafaro, Barresi, A., L. Martirano, Parise, L., L. Parise, De Simone, A., Martirano L., P. Colella, Torelli, F., ZIZZO, Gaetano, Colella, P., Napoli, R., F. Torelli, Di Silvestre, M. L., F. Tummolillo, Zizzo G., Tommasini, R., RIVA SANSEVERINO, Eleonora, R. Napoli, A. Barresi, PariseG, Parise, G., Martirano, L., Pons, E., De Simone A., PARISE, LUIGI, G. Zizzo, Barresi A., Tommasini, Riccardo, E. Riva Sanseverino, Riva Sanseverino E., Montegiglio, P., Tummolillo, F., Morozova, E.   +61 more
core   +1 more source

Beyond Presumptions: Toward Mechanistic Clarity in Metal‐Free Carbon Catalysts for Electrochemical H2O2 Production via Data Science

Advanced Materials, EarlyView.
Metal‐free carbon catalysts enable the sustainable synthesis of hydrogen peroxide via two‐electron oxygen reduction; however, active site complexity continues to hinder reliable interpretation. This review critiques correlation‐based approaches and highlights the importance of orthogonal experimental designs, standardized catalyst passports ...
Dayu Zhu, Hsi‐wen Wu, Xiao Wang, Jie Zhang   +3 more
wiley   +1 more source

Fault line selection method for resonant grounding systems based on DTW-Hilbert and improved K-means

Gong-kuang zidonghua
Due to the influence of factors such as arc suppression coils, transition resistance, and environmental noise, the fault signal characteristics in resonant grounding systems are weak.
ZHANG Zhaoxi, ZHANG Hongle, HUANG Yanfa, CHEN Xingxiang, JIA Haicheng, YUAN Pengsheng   +5 more
doaj   +1 more source

Spin and Charge Control of Topological End States in Chiral Graphene Nanoribbons on a 2D Ferromagnet

Advanced Materials, EarlyView.
Chiral graphene nanoribbons on a ferromagnetic gadolinium‐gold surface alloy display tunable spin and charge states at their termini. Atomic work function variations and exchange fields enabe transitions between singlet, doublet, and triplet configurations.
Leonard Edens, Francisco Romero‐Lara, Trisha Sai, Kalyan Biswas, Manuel Vilas‐Varela, Thomas Frederiksen, Diego Peña, Fabian Schulz, Jose Ignacio Pascual   +8 more
wiley   +1 more source

Injection Current Distribution Characteristics Identification Based Distribution-Level Fault Line Selection

Zhongguo dianli
Addressing the challenges posed by the subtle characteristics of single-phase grounding faults in resonant grounding systems, which lead to decreased sensitivity and reliability in fault line selection methods reliant on these characteristics, an ...
Xiaowei WANG, Yang YUE, Liang GUO, Xue WANG, Yizhao WANG, Zhihua ZHANG, Fengfeng YANG   +6 more
doaj   +1 more source