Shell considers selling U.S. and European chemical plants, including Beaver County facility
Reports say Shell may sell its chemical plants, including the $14 billion Monaca facility in Beaver County, amid a strategic ...
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Automatic Detection of Expanding H i Shells Using Artificial Neural Networks
Publications of the Astronomical Society of the Pacific, Vol. 115, No. 808 (June 2003), pp. 662-674 (13 pages) ABSTRACT The identification of expanding H i shells is difficult because of their ...