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The Associated Press is an independent global news organization dedicated to factual reporting. Founded in 1846, AP today remains the most trusted source of fast, accurate, unbiased news in all formats and the essential provider of the technology and services vital to the news business. Mo...
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Recurrent tectonics in a cratonic setting: An example from northwestern Ohio Structural, stratigraphic, and sedimentologic relations in northwest Ohio indicate that this part of the craton was the site of recurring tectonic activity... ONASCH, CHARLES M.,KAHLE, CHARLES F. - 《Geological Society ...
发明人: NL MISEV 摘要: The invention relates to a composition containing UV curable unsaturated monomers and/or oligomers, a photoinitiator and colloidal silica with an organosilane compound, a polyalkoxysilane being used as organosilane compound and the composition containing an acid catalyst.收藏...
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A first embodiment thereof comprises a ceramic composition represented by (Ba1-xAx)nLa4Ti3+nO12+3n, wherein A is an alkaline earth metal element except Ba, and 0.5 < n < 5 and 0 < x < 0.5, which is a composite composition... H Ohsato,A Harada,T Okawa,... - EP 被引量: 3发...