Results 21 to 30 of about 127,637 (306)

The Pilling-Bedworth Ratio of Oxides Formed From the Precipitated Phases in Magnesium Alloys

open access: yesFrontiers in Materials, 2021
The Pilling-Bedworth ratio of oxides preferentially formed from the precipitated phases in magnesium alloys were calculated. The results showed that the PBR value of Nd2O3 preferentially formed from Mg12Nd was 1.0584, and the PBR value of Y2O3 ...
Quantong Jiang   +14 more
doaj   +1 more source

Two metabolic stages of SRB strain Desulfovibrio bizertensis affecting corrosion mechanism of carbon steel Q235

open access: yesCorrosion Communications, 2023
Desulfovibrio bizertensis (D. bizertensis), an SRB isolated and cultured from the rust layer of the South China Sea, is widespread in the corrosive microbial communities on steel surface.
Xucheng Dong   +6 more
doaj   +1 more source

Exceptional atmospheric corrosion inhibition performance of super-hydrophobic films based on the self-propelled jumping behavior of water droplets

open access: yesCorrosion Communications, 2021
Super-hydrophobic surfaces have attracted much attention for their potential applications based on the lotus effect, especially in corrosion protection. However, the lotus effect has limited application given its high dependence on external forces, such ...
Peng Wang   +4 more
doaj   +1 more source

The Applicability of Traditional Protection Methods to Lines Emanating from VSC-HVDC Interconnectors and a Novel Protection Principle

open access: yesEnergies, 2016
Voltage source converter (VSC)-based high voltage direct current (VSC-HVDC) interconnectors can realize accurate and fast control of power transmission among AC networks, and provide emergency power support for AC networks. VSC-HVDC interconnectors bring
Shimin Xue   +6 more
doaj   +1 more source

A Novel Pilot Protection Principle Based on Modulus Traveling-Wave Currents for Voltage-Sourced Converter Based High Voltage Direct Current (VSC-HVDC) Transmission Lines

open access: yesEnergies, 2018
Protection for transmission lines is one of crucial problems that urgently to be solved in constructing the future high-voltage and large-capacity voltage-sourced converter based high voltage direct current (VSC-HVDC) systems.
Xiangyu Pei   +2 more
doaj   +1 more source

Effective time of a diffusion source in a pack cementation process on the AZ91D magnesium alloy

open access: yesJournal of Materials Research and Technology, 2023
The powder thermal diffusion alloying method is an important method to fabricate intermetallic coatings on magnesium alloy substrates. The diffusion source, the diffusion time and the diffusion temperature are key parameters for a diffusion alloying ...
Dongzhu Lu   +5 more
doaj   +1 more source

Pilot Protection for Transmission Line of Grid-Forming Photovoltaic Systems Based on Jensen–Shannon Distance

open access: yesApplied Sciences
When faults occur in transmission lines of grid-forming PV systems, the LVRT control and virtual impedance function cause the fault characteristics of grid-forming inverters to differ significantly from those of synchronous generators, which deteriorates
Kuan Li, Qiang Huang, Rongqi Fan
doaj   +1 more source

Development of facile image processing techniques regarding crevice corrosion of U75V high-speed rail steel

open access: yesJournal of Materials Research and Technology, 2023
In-situ crevice corrosion images of U75V high-speed rail steel samples before and after heat treatment for microstructure refinement were obtained by a self-developed monitoring device, and facile image processing techniques have been developed.
Jian Wang   +5 more
doaj   +1 more source

General Data Protection Regulation – results of a pilot study [PDF]

open access: yesEuropean Journal of Service Management, 2018
The article focuses on the social aspects of the GDPR implementation. Paper presents the results of a study conducted in 2018, after the introduction of legislative changes. The study was exploratory and its aim was to find out how administrative employees evaluated and feels about GDPR. The survey was conducted as an online survey questionnaire.
Czaplewski, Maciej   +2 more
openaire   +2 more sources

Is Balneotherapy Protective Against Oxidative Stress? A Pilot Study

open access: yesIn Vivo, 2023
This study aimed to research the effects of Harkány healing water on oxidative stress. The study was performed in a randomized, placebo-controlled, double-blind setup.Twenty patients with psoriasis who underwent a 3-week-long inward balneotherapy-based rehabilitation were enrolled. Psoriasis Area and Severity Index (PASI) score and Malondialdehyde (MDA)
Agnes, Szenczi   +10 more
openaire   +2 more sources

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