high-Mn soils; agronomic efficiency; trivalent chromium; hexavalent chromium; microbiological parameters Cr(III) is the most stable Cr species in the soil and its conversion into Cr(VI) is generally ...
Abstract: This paper proposes a radio frequency (RF) switch-based radar system for simultaneously detecting multitarget and multidirectional vital signs. Compared with traditional continuous wave (CW) ...
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