Born to science
نویسندگان
چکیده
منابع مشابه
Marine Chemical Ecology: A Science Born of Scuba
For more than 50 years, organic chemists have been interested in the novel chemical structures and biological activities of marine natural products, which are organic compounds that can be used for chemical defense and chemical communication by diverse marine organisms. Chemical ecology, the study of the natural ecological functions of these compounds, is an interdisciplinary field involving ch...
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Background: Iron deficiency anemia is one of the important problems during pregnancy. Iron deficiency has several adverse effects on pregnant women and their newborns. Objective: To determine the status of iron store in newborns born to mothers with iron deficiency anemia. Methods: In a cross-sectional study, 90 mothers were categorized into three groups according to their pre-delivery hemoglo...
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• Historical evidence of recurrent fire in many of the world's biomes suggests that fire may have had profound evolutionary influences on their extant floras. However, the role of fire as a selective force in the origin and evolution of plant traits remains controversial. • Using Bayesian Monte-Carlo-Markov-Chain procedures and calibration points from the fossil record, we generated a dated phy...
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' of military service, his long series ; of prison sentences, interspersed ; with chaotic liaisons with women, r his virtual unemployability, inability to make lasting relationships, and finally his death at 40 as a result of swallowing pins?but not before he had achieved some notoriety through a series of autobiographical monologues on the B.B.C. Third Programme. Although the story reaches poi...
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Beyond the second-order Born approximation, we propose an improved master equation approach to quantum transport under self-consistent Born approximation. The basic idea is to replace the free Green's function in the tunneling self-energy diagram by an effective reduced propagator under the Born approximation. This simple modification has remarkable consequences. It not only recovers the exact ...
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ژورنال
عنوان ژورنال: Nature
سال: 1997
ISSN: 0028-0836,1476-4687
DOI: 10.1038/41258