neper


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neper

(ˈneɪpə; ˈniː-)
n
(Units) a unit expressing the ratio of two quantities, esp amplitudes in telecommunications, equal to the natural logarithm of the ratio of the two quantities. Symbol: Np or N
[C20: named after John Napier; the name was approved in 1928]
References in periodicals archive ?
Rafael Ramirez-Gonzales (a), Roman Augusto Del-Castillo-Gervasi (a), Carlos Javier Shiraishi-Zapata (b), John Neper Laurencio-Ambrosio (a)
Trail a bit southward along the limb, past the large but strongly foreshortened crater Neper, to reach Mare Smythii.
Several of the chapters draw on influential book-length publications their authors have produced in recent years: Jane Stafford's 'Maoriland Reservations' deftly condenses key strands from her and Mark Williams's Maoriland: New Zealand Literature, 1872-1914 (2006); Stuart Murray's chapter on the poetics of distance features various authors (Curnow, Brasch, Bethell, Cresswell and Hyde) discussed in his Neper a Soul at Home: New Zealand Literary Nationalism and the 1930s (1998), and Chris Hilliard's piece on writers and institutions imbricated in the cultural nationalist movement draws on The Bookmen's Dominion: Cultural Life in New Zealand 1920-1950 (2006).
Cell lysate was produced from the harvested cells using RIPA buffer and NEPER nuclear and cytoplasmic extraction reagent was used for extracting nuclear proteins according to manufacturer's instruction.