Results 361 to 370 of about 1,705,220 (426)
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Environmental Science and Technology, 2014
The propagation of antibiotic resistance genes (ARGs) represents a global threat to both human health and food security. Assessment of ARG reservoirs and persistence is therefore critical for devising and evaluating strategies to mitigate ARG propagation.
Daqing Mao +7 more
semanticscholar +1 more source
The propagation of antibiotic resistance genes (ARGs) represents a global threat to both human health and food security. Assessment of ARG reservoirs and persistence is therefore critical for devising and evaluating strategies to mitigate ARG propagation.
Daqing Mao +7 more
semanticscholar +1 more source
Earth’s sediment cycle during the Anthropocene
Nature Reviews Earth & Environment, 2022J. Syvitski +6 more
semanticscholar +1 more source
, 1990
Radioactive fallout Cs (cesium-137) deposited across the landscape from atmospheric nuclear tests is strongly absorbed on soil particles limiting its movement by chemical and biological processes.
J. Ritchie, J. Mchenry
semanticscholar +1 more source
Radioactive fallout Cs (cesium-137) deposited across the landscape from atmospheric nuclear tests is strongly absorbed on soil particles limiting its movement by chemical and biological processes.
J. Ritchie, J. Mchenry
semanticscholar +1 more source
Sedimentation and sediment flow on inclined surfaces
Journal of Fluid Mechanics, 1990The steady sedimentation of a suspension over an inclined surface is analysed by considering the combined effects of settling hindrance, bulk motion and particle resuspension. The coupled momentum and mass balances suggest that a thin high-density sediment layer will form over the inclined surface, reminiscent of the thin thermal boundary layers in the
Andreas Acrivos, Avinoam Nir
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, 1991
At ocean margins where two plates converge, the oceanic plate sinks or is subducted beneath an upper one topped by a layer of terrestrial crust. This crust is constructed of continental or island arc material.
R. Huene, D. Scholl
semanticscholar +1 more source
At ocean margins where two plates converge, the oceanic plate sinks or is subducted beneath an upper one topped by a layer of terrestrial crust. This crust is constructed of continental or island arc material.
R. Huene, D. Scholl
semanticscholar +1 more source
Sedimentation on mid-ocean sediment drifts
Geological Society, London, Special Publications, 1986Summary The paper reports results from DSDP Leg 94, where holes were drilled in the Feni and Gardar sediment drifts, with particular emphasis placed on studying sediment waves that ornament the surfaces of the drifts. The Feni Drift is a 1500–1700 m thick accumulation of sediment constructed on an early Eocene to late Oligocene ...
Philip R. Hill, Robert B. Kidd
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Recent sediments and sedimentation in the Inner Hebrides
Proceedings of the Royal Society of Edinburgh. Section B. Biology, 1983SynopsisLittle land-derived material currently reaches the sea. Inland deposits are dominantly organic, peat succeeding lacustrine diatomite. Marine sediments result from the wave and tidal current reworking of Pleistocene glacial debris, with an admixture of Holocene skeletal carbonate.
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Bioturbation, sedimentation and sediment-water exchanges
Estuarine, Coastal and Shelf Science, 1989Abstract A number of pollutants are associated with the particulate matter in river, estuary and coastal environments. Following cessation of a contaminant discharge, a question sometimes arises as to what degree and over what time period deposited sediments may be a pollutant source to the indigenous water column.
Daniel R. Lynch, Charles B. Officer
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Transformation of benzonitriles in anaerobic sediment and in sediment extract
Environmental Toxicology and Chemistry, 1995Abstract Transformations of para-substituted benzonitriles in sediment and in sediment extract were studied. In raw anaerobic sediment, most of the benzonitriles were transformed to benzoic acids without benzamide intermediates. Very slow disappearance of benzonitrile in autoclave-sterilized sediment was explained by the chemical ...
Shigeki Masunaga +2 more
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The Basic Nature of Carbonate Sediments and Sedimentation
2013Abstract The biological influence over the origin, distribution, composition, texture, and mineralogy of carbonate sediments is stressed. Environmental factors such as light, temperature, and water depth directly affect these biological processes. Abiotic carbonate precipitation is discussed.
Clyde H. Moore, William J. Wade
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