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Degradation analysis of the SnO2 and ZnO-based varistors using electrostatic force microscopy
(2013-06-01)
The degradation phenomena of ZnO and SnO2-based varistors were investigated for two different degradation methods: DC voltage at increased temperature and degradation with 8/20 μs pulsed currents (lightning type). Electrostatic ...
Degradation analysis of the SnO2 and ZnO-based varistors using electrostatic force microscopy
(2013-06-01)
The degradation phenomena of ZnO and SnO2-based varistors were investigated for two different degradation methods: DC voltage at increased temperature and degradation with 8/20 μs pulsed currents (lightning type). Electrostatic ...
Land degradation: Multiple environmental consequences and routes to neutrality
(2018-10-01)
Degradation is currently affecting 25% of Earth's land and 40% of Earth's agricultural land. The environmental consequences of land degradation are vast, including amplified soil losses, water quality deterioration, ...
Degradation of the Oxirane Ring of Epoxidized Vegetable Oils in a Liquid-liquid-solid Heterogeneous Reaction System
(Elsevier Science Sa, 2007-12)
The main oxirane-ring opening reactions that occur during the manufacture of epoxidized vegetable oils using a strongly acidic, gel-type ionexchange resin (IER) (Amberlite IR-120, 8% crosslinking) were analyzed. By using ...
Hydrogen peroxide degradation of bleaching systems with different trays: Randomized clinical trial
(2020-04-01)
PURPOSE: This crossover study evaluated the hydrogen (HP) and carbamide (CP) peroxide degradation of bleaching gels in prefilled (PT) and customized trays (CT). METHODS: Volunteers were randomly allocated to treatments ...
Probe-based qPCR assay enables the rapid and specific detection of bacterial degrading genes for the pesticide metaldehyde in soil
(2022-04)
Metaldehyde, a molluscicide pesticide, has been identified as a pollutant of concern due to its repeated detection in drinking water, thereby generating numerous compliance failures for water utilities. Biological degradation ...
TRIBROMOPHENOL DEGRADATION BY A CATECHOL-DRTVEN FENTON REACTION
(Sociedad Chilena de Química, 2009)
A common cause failure model for components under age-related degradation
(Elsevier, 2020)
This paper discusses component age-related degradation and failure initiated from a shared cause and coupling factor (or mechanism) and the likelihood of the resulting common cause failure (CCF). For these components a CCF ...