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Vor 2 Tagen · 《General Psychiatry》发布于爱科学网，并永久归类相关SCI期刊导航类别中，本站只是硬性分析 "《》" 杂志的可信度。学术期刊真正的价值在于它是否能为科技进步及社会发展带来积极促进作用。"《》" 的价值还取决于各种因素的综合分析。
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Vor einem Tag · The smart grid is an enhancement of the 20th century electrical grid, using two-way communications and distributed so-called intelligent devices. [1] Two-way flows of electricity and information could improve the delivery network. Research is mainly focused on three systems of a smart grid – the infrastructure system, the management system ...
Vor 3 Tagen · The Galway Topology Colloquium is an annual peripatetic conference on topology. Founded in 1997 at the National Univeristy of Ireland Galway by Aisling McCluskey and Paul Gartside, the colloquia provide postgraduates and early career researchers in topology, as well as seasoned academics, with a friendly opportunity to engage in an open exchange of ideas and results.
Vor 21 Stunden · Der General-Anzeiger Bonn liefert neueste Nachrichten, Bilder, Videos und Service aus Bonn, Rhein-Sieg-Kreis, Kreis Neuwied, Kreis Ahrweiler.
Vor 3 Tagen · Michael Atiyah Atiyah was president of the Pugwash Conferences on Science and World Affairs from 1997 to 2002. He also contributed to the foundation of the InterAcademy Panel on International Issues, the Association of European Academies (ALLEA), and the European Mathematical Society (EMS). Within the United Kingdom, he was involved in the creation of the Isaac Newton Institute for ...
Vor 2 Tagen · Quadric. In mathematics, a quadric or quadric surface ( quadric hypersurface in higher dimensions ), is a generalization of conic sections ( ellipses, parabolas, and hyperbolas ). It is a hypersurface (of dimension D) in a (D + 1) -dimensional space, and it is defined as the zero set of an irreducible polynomial of degree two in D + 1 variables ...
