منابع مشابه
Methane efflux from lake sediments through water lilies.
During winter, when water lilies have no surface leaves, the gases in the rhizome lacunae approach equilibrium with the gases of the sediment water. The resulting increase of internal pressure is manifested by the sustained streams of bubbles (up to 37 percent methane and 6 percent carbon dioxide) that escape when emerging leaves are torn in the spring. Methane continues to enter the roots and ...
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" Until then I knew only naturalist and, to tell the truth, almost exclusively Russian naturalist art…I believed that no one had the right to paint so imprecisely. I vaguely felt that the object (the subject) was missing in this work. But with astonishment and confusion, I observed that not only did it surprise, but it imprinted itself indelibly in the memory and that before your eyes it recomp...
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I will derive the NMR-AFP lineshape, specify the parameters that define the signal size, set up the equations to calculate the flux, and derive the water signal lineshape.
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On the Incised Ornamentation of the Stone Ball found at Glasterlaw; Friockheim, Forfarshire, fyc.—Since the paper on the small Stone Balls was read, Dr J. C. Howden has been able to send me for examination the stone ball found at Glasterlaw, which I have already partially described. This ball -was found on the farm of Freelands ab Glasterlaw, and is of a blackish colour externally, but shows a ...
متن کاملIntroduction etc
Bilateral and multilateral development cooperation agencies are to an increasing extent promoting and adopting a sector-wide approach (SWAp) in their development cooperation. The Swedish International Development Cooperation Agency (Sida), for example, joined their first sector-wide approach cooperation in the late 90s, and today they are involved in SWAps in countries in Africa, Asia and Latin...
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ژورنال
عنوان ژورنال: Science
سال: 1894
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.ns-23.572.39-b