Results 191 to 200 of about 94,948 (251)
Engineering Dynamic Electrolyte Microenvironments via Double-Shell Hosts for Practical Lithium-Sulfur Batteries. [PDF]
Yao Z +9 more
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Electronic structure engineering of Zn-based catalysts <i>via</i> anionic regulation for polysulfide adsorption-catalysis in Li-S batteries. [PDF]
He C +14 more
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Undercoordinated Molybdenum Catalysts Enable Ultrafast Quasi-Solid Sulfur Chemistry in Sodium-Sulfur Batteries. [PDF]
Wang M +12 more
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Metabolic potential of newly isolated bacterial species from the deep subsurface of the Iberian Pyrite Belt. [PDF]
MartÃnez-Bonilla A +5 more
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CVD-grown tunable carbon films for high-performance sodium storage.
Eren EO +11 more
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1980
The geochemistry of sulfur is to a great extent affected by the biosphere. Living organisms transform sulfur from one oxidation state to another, thus changing the chemical properties of sulfur compounds and their distribution in the atmosphere, soils, waters and sediments.
A. J. B. Zehnder, S. H. Zinder
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The geochemistry of sulfur is to a great extent affected by the biosphere. Living organisms transform sulfur from one oxidation state to another, thus changing the chemical properties of sulfur compounds and their distribution in the atmosphere, soils, waters and sediments.
A. J. B. Zehnder, S. H. Zinder
openaire +1 more source
Science (New York, N.Y.), 1972
Even granting our uncertainties about parts of our model of the sulfur cycle, we can draw some conclusions from it: 1) Man is now contributing about one half as much as nature to the total atmospheric burden of sulfur compounds, but by A.D. 2000 he will be contributing about as much, and in the Northern Hemisphere alone he will be more than matching ...
W W, Kellogg +4 more
openaire +3 more sources
Even granting our uncertainties about parts of our model of the sulfur cycle, we can draw some conclusions from it: 1) Man is now contributing about one half as much as nature to the total atmospheric burden of sulfur compounds, but by A.D. 2000 he will be contributing about as much, and in the Northern Hemisphere alone he will be more than matching ...
W W, Kellogg +4 more
openaire +3 more sources
Sulfuric Acid on Europa and the Radiolytic Sulfur Cycle
Science, 1999A comparison of laboratory spectra with Galileo data indicates that hydrated sulfuric acid is present and is a major component of Europa's surface. In addition, this moon's visually dark surface material, which spatially correlates with the sulfuric acid concentration, is identified as radiolytically altered sulfur polymers.
R W, Carlson +2 more
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2005
Publisher Summary The chapter discusses the biologically mediated sulfur metabolisms, which involve the reduction of sulfur compounds, the oxidative processes, and the disproportionation of sulfur compounds. Sulfur is an essential nutrient element and constitutes around 0.5 to 1.0% of the dry weight of prokaryotic organisms.
Donald E. Canfield +2 more
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Publisher Summary The chapter discusses the biologically mediated sulfur metabolisms, which involve the reduction of sulfur compounds, the oxidative processes, and the disproportionation of sulfur compounds. Sulfur is an essential nutrient element and constitutes around 0.5 to 1.0% of the dry weight of prokaryotic organisms.
Donald E. Canfield +2 more
openaire +1 more source
Sulfur Cycling and the Intestinal Microbiome
Digestive Diseases and Sciences, 2017In this review, we focus on the activities transpiring in the anaerobic segment of the sulfur cycle occurring in the gut environment where hydrogen sulfide is produced. While sulfate-reducing bacteria are considered as the principal agents for hydrogen sulfide production, the enzymatic desulfhydration of cysteine by heterotrophic bacteria also ...
Barton, Larry +3 more
openaire +2 more sources

