Focus Vitamins launches Focus Tears PF, new preservative-free eye drops in convenient single-dose vials. Customers can receive a 15% discount with code TPFMEDIA through March 15, 2026.
Hair care brand John Frieda’s owner Kao is betting on new formulas, fragrance and refreshed packaging for growth ...
Abstract: In a paper by Willems et al., it was shown that persistently exciting data can be used to represent the input-output behavior of a linear system. Based on this fundamental result, we derive ...
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