Results 51 to 60 of about 362,311 (271)

Surge arresters testing

open access: yes, 2014
This work deals with voltage surges in electrical grids, overvoltage protection and testing of surge arresters. The first part of thesis is focused on the issue of overvoltage impulses caused by different sources and their description.
Chrástecký, Lukáš
core   +1 more source

Overvoltages transferred from a network of 220 kV to 15.65 kV level of the step-up transformer in HPP 'Bajina Bašta' [PDF]

open access: yesZbornik Radova: Elektrotehnički Institut "Nikola Tesla", 2011
The paper presents the results of research in lightning surge waves and switching overvoltages transferred from a network of 220 kV to the 15.65 kV level of the step-up transformer in HPP 'Bajina Bašta'. Analysis of survey results lead to conclusion that
Vukelja Petar, Mrvić Jovan
doaj   +1 more source

Targeting Nupr1‐Mediated p53 Mitochondrial Sequestration Alleviates Aortic Dissection by Restoring the Gadd45b‐Dependent Survival Program

open access: yesAdvanced Science, EarlyView.
This study identifies Nupr1 as a crucial stress‐responsive orchestrator driving AD. Under severe stress, Nupr1 massively accumulates within mitochondria to sequester p53, triggering apoptosis and concurrently repressing the Gadd45b‐mediated survival program.
Xi Yang   +14 more
wiley   +1 more source

Lactate‐H3K18la‐RPL11 Axis Drives Gemcitabine Resistance in Pancreatic Cancer by Integrating Protein Synthesis and DNA Damage Repair

open access: yesAdvanced Science, EarlyView.
A lactate‐H3K18la epigenetic axis upregulates RPL11 to drive gemcitabine resistance in pancreatic cancer. RPL11 orchestrates chemoresistance through a dual, compartmentalized role: enhancing cytoplasmic protein synthesis via EEF1A1 stabilization and promoting nuclear DNA damage repair by co‐activating PARP14, thus ensuring robust cell survival ...
Lijun Zhao   +10 more
wiley   +1 more source

Atomic‐Scale Mechanisms of Anisotropic Thermal Decomposition in GeSn Alloys With Stepwise Pinning

open access: yesAdvanced Electronic Materials, EarlyView.
Combining in situ TEM with DFT calculations, this work elucidates atomic‐scale anisotropic thermal decomposition in GeSn films, identifying laminar receding in defect‐free regions and stepwise pinning at stacking faults. Driven by crystallographic anisotropy and defect‐mediated energetic penalties, these findings establish a physical framework for ...
YiXin Wang   +6 more
wiley   +1 more source

Design of Lightning Arresters for Electrical Power Systems Protection

open access: yesAdvances in Electrical and Electronic Engineering, 2013
This paper presents an overview of how the lightning strikes and their effects on power distribution systems can be modeled, where the results give a clear picture of how to eliminate the devastating impact, caused by lightning, by using lightning ...
Shehab Abdulwadood
doaj   +1 more source

Border harm and affective injustice: The politics of anger at the Melilla border, Spain

open access: yesAmerican Journal of Community Psychology, EarlyView.
Abstract This article examines protests in a detention center in Melilla, Spain—a site where structural violence intersects with the everyday harms of confinement. Adopting a justice and dignity‐centered perspective, we analyze grassroots forms of resistance emerging at the border. The study focuses on the protests of Tunisian migrants and explores the
Corina Tulbure
wiley   +1 more source

Optimized Surge Arrester Allocation Based on Genetic Algorithm and ATP Simulation in Electric Distribution Systems

open access: yesEnergies, 2019
The efficient protection of electric power distribution networks against lightning discharges is a crucial problem for distribution electric utilities.
Gabriel Vianna Soares Rocha   +8 more
doaj   +1 more source

Neuroprotection after transient middle cerebral artery occlusion in male rats using kojic acid nanostructured lipid carriers: A behavioral, biochemical, and histological study on hippocampal CA1 region

open access: yesAnimal Models and Experimental Medicine, EarlyView.
This study demonstrates that kojic acid–loaded nanostructured lipid carriers (KA‐NLC) provide significant neuroprotection in a male rat model of middle cerebral artery occlusion (MCAO)–induced stroke. Treatment with KA‐NLCs reduced cerebral edema, improved motor and coordination balance and neurological scores, and enhanced spatial and avoidance memory.
Mobina Gheibi   +11 more
wiley   +1 more source

Electrokinetic Stabilization of Formation Fines Using Surface Modified Polymer Silica Nanocomposites During Low Salinity Water Flooding for Enhanced Oil Recovery

open access: yesAsia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Fines migration induced by low salinity water flooding severely impairs reservoir permeability and injectivity presenting a critical challenge in enhanced oil recovery. This study aims to synthesize and evaluate a surface‐modified polymer‐silica nanocomposite to mitigate clay mobilization and preserve the hydrodynamic capacity of porous media.
Mohamed Abu Shuheil   +8 more
wiley   +1 more source

Home - About - Disclaimer - Privacy