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Element cycles are the biogeochemical pathways by which elements are transformed and moved through various states by geological and biological processes. Stromatolites within the Hapcheon impact ...

Tourists crowded beneath the Door of No Return, an arch built by the beach at Ouidah in southern Benin in memory of those ...

Abstract: The multiphase winding structure makes an induction machine fault tolerant, even with one or more of its stator phases open-circuited or isolated. The easiest way to realize a split-phase ...

Abstract: Langevin transducers, as important devices for generating acoustic fields, impose stringent acoustic characteristics requirements in many applications. Their head shape directly influences ...