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In the present study with few exceptions, most of the minerals concentrations were higher in winter than in summer in all the investigated plants of family Zygophyllaceae and Euphorbiaceae. Calcium content in Fagonia cretica, Peganum harmala and Chrozophora tinctoria was significantly higher in winter than summer while in Tribulus terrestris and Ricinus(More)
Anion-yield spectroscopy using x rays is shown to be a selective probe of molecular core-level processes, providing unique experimental verification of shape resonances. For CO, partial anion and cation yields are presented for photon energies near the C K edge. The O- yield exhibits features above threshold related only to doubly excited states, in(More)
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