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The number-theoretic transform (NTT) [4] is obtained by specializing the discrete Fourier transform to = /, the integers modulo a prime p. This is a finite field , and primitive n th roots of unity exist whenever n divides p − 1 {\displaystyle p-1} , so we have p = ξ n + 1 {\displaystyle p=\xi n+1} for a positive integer ξ .
[1] [2] NAD(P)H-dependent cellular oxidoreductase enzymes may, under defined conditions, reflect the number of viable cells present. These enzymes are capable of reducing the tetrazolium dye MTT, which is chemically 3-(4,5- di methyl thiazol -2-yl)-2,5-di phenyl tetrazolium bromide , to its insoluble formazan , which has a purple color.
Reunification Day (Vietnamese: Ngày Thống nhất), also known as Victory Day (Ngày Chiến thắng), Liberation Day (Ngày Giải phóng or Ngày Giải phóng miền Nam), or by its official name, Day of the Liberation of the South and National Reunification (Ngày giải phóng miền Nam, thống nhất đất nước) [2] is a public holiday in Vietnam that marks the event when the ...