Results 121 to 130 of about 89,086 (264)

Reactions of yttria-stabilized zirconia with oxides and sulfates of various elements [PDF]

open access: yes
The reactions between partially stabilized zirconia, containing 8 weight-percent yttria, and oxides and sulfates of various elements were studied at 1200, 1300, and 1400 C for times to 800, 400, and 200 hours, respectively.
Zaplatynsky, I.
core   +1 more source

Service life estimation of cracked and healed concrete in marine environment [PDF]

open access: yes, 2016
In the aggressive seawater environment, the durability of concrete is strongly influenced by the presence of chlorides and sulfates. Marine structures mostly have an important social function with a high economic impact, which makes durability a key ...
De Belie, Nele, Maes, Mathias
core  

PEDOT‐Based Eutectogel Electrode Arrays for Enhanced High‐Resolution Electrogastrography: Fabrication, Stability, and Wearable Performance

open access: yesAdvanced Functional Materials, EarlyView.
Here, we present a high‐density PEDOT eutectogel electrode array for enhanced body surface gastric mapping. Silver electrodes are blade‐coated onto flexible substrates, followed by electrogelation of PEDOT:PSS and the deposition of a PEDOT:LS eutectogel.
Christopher Slaughter   +8 more
wiley   +1 more source

The Costs and Benefits of Reducing Acid Rain [PDF]

open access: yes
Title IV of the 1990 Clean Air Act Amendments initiated a dramatic reduction in emissions of sulfur dioxide and nitrogen oxides by electric power plants. This paper presents the results of an integrated assessment of the benefits and costs of the program,
Austin, David   +4 more
core  

Auto‐Generated Valence States in Electrocatalysts for Boosting Oxygen and Hydrogen Evolution Kinetics in Alkaline Water/Alkaline Seawater/Simulated Seawater/Natural Seawater

open access: yesAdvanced Functional Materials, EarlyView.
This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari   +4 more
wiley   +1 more source

A COMPARISON OF THE EFFECT OF MINERAL AND CHELATE FORMS OF COPPER, ZINC AND MANGANESE ON YIELD AND NUTRIENT STATUS OF GREENHOUSE LETTUCE

open access: yesActa Scientiarum Polonorum: Hortorum Cultus, 2012
Consumption of vegetables with either too low or excessive contents of micronutrients may have an adverse effect on human health. In intensive horticultural production mineral fertilizers, containing mineral or chelate compounds with varying ...
Elżbieta Kozik   +2 more
doaj  

Fine Particulate Matter and Ozone Air Quality in Western Pennsylvania in the 2000s [PDF]

open access: yes, 2011
Presents data on the area's particulate matter, ozone, and emissions levels and air pollution sources. Examines air quality compared with the rest of the nation, links between premature death and harmful levels of air pollution, and monitoring ...
John Graham
core  

Infrared Nanocrystals for Space Application: Hardness to Irradiations

open access: yesAdvanced Functional Materials, EarlyView.
This article investigates infrared HgTe nanocrystals under X‐ray and ion irradiation, revealing remarkable radiation hardness. It uncovers distinct degradation mechanisms and shows that the nanomaterial outperforms integrated electronics. The results position colloidal nanocrystals as promising candidates for resilient space and harsh‐environment ...
Alexandre Neyret   +22 more
wiley   +1 more source

High-temperature Hydrogen Chloride Releases from Mixtures of Sodium Chloride with Sulfates: Implications for the Chlorine-Mineralogy as Determined by the Sample Analysis at Mars Instrument on the Curiosity Rover in Gale Crater, Mars [PDF]

open access: yes
Hydrogen chloride releases above 500 C occurred in several samples analyzed by the Sample Analysis at Mars (SAM) evolved gas analyzer on the Curiosity rover in Gale crater.
Archer, P.D.   +7 more
core   +1 more source

Solid-state structure of copper complexes of N-(2-carboxyethyl)chitosan [PDF]

open access: yes, 2008
The sorptivity for ions of the Irving-Williams series (Zn2+, Cu2+, Co2+, Ni2+) was estimated for the chelate sorbent N-(2-carboxyethyl)chitosan cross-linked by nanosecond electron-beam irradiation.
Molochnikov, L. S.   +3 more
core  

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