Results 231 to 240 of about 31,602 (271)
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1990
Soil wetness brings to mind thoughts about the soil water regime as a soil classification parameter and about artificial drainage systems to moderate the frequency and duration of occurrences of excessive soil wetness related to high water table or saturated soil conditions.
N. R. Fausey, R. Lal
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Soil wetness brings to mind thoughts about the soil water regime as a soil classification parameter and about artificial drainage systems to moderate the frequency and duration of occurrences of excessive soil wetness related to high water table or saturated soil conditions.
N. R. Fausey, R. Lal
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Nature, 1976
OBSERVATIONS in estuaries have reported the existence of ephemeral deposits of semi-fluid mud1,2 extending several metres from the bottom. These muds differ from ‘mud’ as normally understood in that although they form definite boundaries with the overlaying water mass they have a lower solid content and settle, if at all, only very slowly.
A. J. SYLVESTER, G. C. WARE
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OBSERVATIONS in estuaries have reported the existence of ephemeral deposits of semi-fluid mud1,2 extending several metres from the bottom. These muds differ from ‘mud’ as normally understood in that although they form definite boundaries with the overlaying water mass they have a lower solid content and settle, if at all, only very slowly.
A. J. SYLVESTER, G. C. WARE
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Role of anaerobiosis in virulence of Salmonella typhimuirium
Molecular and Cellular Biochemistry, 2000Intestinal pathogens are exposed to various stress conditions during their infectious cycle. Anaerobiosis, one of such hostile condition, is offered by the host within gut and intestinal lumen, where survival, multiplication and entry into intestinal epithelial cells is priority for the invading pathogen.
R D, Singh, M, Khullar, N K, Ganguly
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Anaerobiosis in Marine Sandy Beaches
Science, 1960Organisms living at depths greater than 5 to 10 cm in marine beaches composed of fine sand are completely anaerobic whenever their particular section of beach is covered by water. Anaerobic conditions are continuous if the slope of the beach is slight enough so that capillary forces keep the sand saturated with water even at low tide.
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The influence of anaerobiosis on the activity of fosfomycin trometamol
Infection, 1992MICs of fosfomycin trometamol were estimated for 40 strains of bacteria (20 gram-positive cocci, 20 gram-negative bacilli) by the agar incorporation method (Iso-Sensitest agar) in the presence of the potentiating agent, glucose-6-phosphate (25 mg/l). Titrations were carried out in duplicate under aerobic and anaerobic conditions.
D, Greenwood, J, Brown, R, Edwards
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Anaerobiosis and Sodium Accumulation
Nature, 1961ACCUMULATION of most cations by higher plants is considered to be an aerobic process. However, we now find that sodium is in part an exception to this generalization. Uptake of sodium by 6-day old plants of Hordeum vulgare, variety Atlas 46, occurs under both aerobic and anaerobic conditions.
JAMES E. LEGGETT, LEWIS H. STOLZY
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The Physiology of Obligate Anaerobiosis
1975Publisher Summary The chapter discusses the physiology of obligate anaerobiosis. An obligate anaerobe emerges as an organism that: (i) generates energy and synthesizes its substance without recourse to molecular oxygen; and (ii) demonstrates a singular degree of adverse oxygen-sensitivity, which renders it unable to grow under an atmosphere of air ...
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Circadian rhythm of anaerobiosis in a polychaete annelid
Nature, 1976ALTHOUGH intertidal organisms which cannot breathe air must be regularly subjected to tidal conditions in which they must respire anaerobically, there are no known cases in which these or other animals reduce environmental conditions to the point at which they must respire anaerobically.
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Invertebrate facultative anaerobiosis.
Science (New York, N.Y.), 1973The unique pattern of anaerobic carbohydrate metabolism in invertebrate facultative anaerobes serves to couple other substrate-level phosphorylations to the glycolytic reactions, thus increasing the potential yield of high-energy phosphate compounds. Currently, two important coupling sites can be identified:
P W, Hochachka, T, Mustafa
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