منابع مشابه
Plutonium problems.
Contaminants in Fish From the icy waters of Boston Harbor to the warm waves of San Diego Bay, bottomdwelling fish suffer liver damage caused by chemical contaminants, according to researchers at the National Oceanic and Atmospheric Administration. But seafood lovers need not panic, because damaged specimens were captured primarily in urban waters where commercial fishing is prohibited, said Lyn...
متن کاملPlutonium-Xenon systematics of Angrites
Introduction: Angrites are igneous meteorites that crystallized very early in the solar system, ~10 Ma after CAIs, as also implied by the presence of now extinct short-lived radionuclides such as Mn, Sm and Pu [1]. Fission Xe was used to calculate Pu-Xeretention ages of eucrites, relative to that of Angra dos Reis (AdoR) [2]. AdoR has an absolute Pb-Pb age of 4557.8 Ma [see 1 for ref.]. Most eu...
متن کاملComparison and Polar Opposition
My goal in this paper is to use cross-polar anomaly as an empirical basis for motivating and developing a particular approach to the semantics of gradable adjectives and the representation of adjectival polarity. Specifically, I will argue that gradable adjectives denote relations between individuals and extents, or intervals on a scale, as in the work of Seuren 1978, 1984, von Stechow 1984b, a...
متن کامل2 Opposition - Based Computing
Diverse forms of opposition are already existent virtually everywhere around us but the nature and significance of oppositeness is well understood only in specific contexts within the fields of philosophy, linguistics, psychology, logic and physics. The interplay between entities and opposite entities is apparently fundamental for maintaining universal balance. However, it seems that there is a...
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ژورنال
عنوان ژورنال: Nature
سال: 1989
ISSN: 0028-0836,1476-4687
DOI: 10.1038/341374a0