Results 11 to 20 of about 1,616,865 (219)

Recovery of Stress During the Interseismic Period Around the Seismogenic Fault of the 1995 Mw 6.9 Kobe Earthquake, Japan

open access: yesGeophysical Research Letters, 2018
We analyzed the current stress state on the Nojima Fault, the source of the 1995 Mw 6.9 Kobe (Japan) earthquake, using breakouts in a borehole through the fault to a depth of ~1,000 m in 2017. The main fault was found at a depth of 529.3 m, with a damage
Takafumi Nishiwaki   +2 more
doaj   +1 more source

A Unified Analysis of DC–DC Converters’ Current Stress

open access: yesEnergies, 2023
There is always a need to analyze current signals generated by various DC–DC converters. For example, to determine the current stress experienced by semiconductor devices and to evaluate active and reactive power consumption in converters.
Michael Njoroge Gitau   +2 more
doaj   +1 more source

Modeling and Optimization of Dual Active Bridge DC-DC Converter with Dead-Time Effect under Triple-Phase-Shift Control

open access: yesEnergies, 2019
Dead-time effect has become an apparent issue in high-switching-frequency high-power dual active bridge (DAB) DC-DC converter. This paper gives a detailed analysis of phase-shift errors effect caused by dead time, including output voltage offset, soft ...
Chaochao Song   +4 more
doaj   +1 more source

Evaluation of the current in situ stress in the middle Permian Maokou Formation in the Longnüsi area of the central Sichuan Basin, China

open access: yesOpen Geosciences, 2023
The middle Permian Maokou Formation in the Longnüsi area in the central Sichuan Basin is currently a key formation for exploration and development. The evaluation of the current in situ stress in this area is of great significance for fracture prediction,
Zhao Tianbiao   +4 more
doaj   +1 more source

Biomimetic Prosthetic Hand Enabled by Liquid Crystal Elastomer Tendons

open access: yesMicromachines, 2021
As one of the most important prosthetic implants for amputees, current commercially available prosthetic hands are still too bulky, heavy, expensive, complex and inefficient.
Haiqing Lu   +5 more
doaj   +1 more source

An Efficiency-Optimized Isolated Bidirectional DC-DC Converter with Extended Power Range for Energy Storage Systems in Microgrids

open access: yesEnergies, 2012
This paper proposes a novel extended-single-phase shift (ESPS) control strategy of isolated bidirectional full-bridge DC-DC converters (IBDCs) which are a promising alternative as a power electronic interface in microgrids with an additional function of ...
Xiaolong Shi, Jiuchun Jiang, Xintao Guo
doaj   +1 more source

Correlation between stress, stress-coping and current sleep bruxism

open access: yesHead & Face Medicine, 2010
Background Stress is discussed as a potential factor in the development of sleep bruxism (SB). The aim of this study was to investigate whether specific stress-factors correlate with SB-activity. Methods Sixty-nine subjects, of which 48 were SB-patients,
Raab Wolfgang HM   +6 more
doaj   +1 more source

The furosemide stress test: current use and future potential

open access: yesRenal Failure, 2021
Loop diuretics are among the most widely used drugs worldwide and are commonly employed in the management of complications associated with acute kidney injury (AKI), namely volume overload and electrolyte management.
Blaithin A. McMahon, Lakhmir S. Chawla
doaj   +1 more source

Current Stress Minimization Based on Particle Swarm Optimization for Dual Active Bridge DC–DC Converter

open access: yesActuators
Under extended-phase-shift (ESP) control, the current stress of the dual active bridge converter (DAB) is relatively high, which reduces the efficiency of the converter.
Dabin Jia, Dazhi Wang
doaj   +1 more source

Zinc and Oxidative Stress: Current Mechanisms

open access: yesAntioxidants, 2017
Oxidative stress is a metabolic dysfunction that favors the oxidation of biomolecules, contributing to the oxidative damage of cells and tissues. This consequently contributes to the development of several chronic diseases.
Dilina do Nascimento Marreiro   +5 more
doaj   +1 more source

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