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wave·num·ber (σ),

The number of waves per centimeter (cm-1), used to simplify the large and unwieldy numbers heretofore used to designate frequency.
See also: wave number.
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While CM-1 and CH seemed as unrelated diseases, determining the actual cause of CH is obviously difficult when these two pathological processes co-occur.
The methyl deformation band at 1,261 cm-1 is strong and sharp, and the methyl rock with contribution from the Si-C stretch at 798 [cm.
Classes A-1, A-2, A-3, A-4, A-AB, A-1A, A-M, A-J, X-CP, B, C, D, E, and F are offered publicly, while classes X-CL, G, H, J, K, L, M, N, P, Q, S, T, CM-1, CM-2, CM-3, CM-4, SP-1, SP-2, SP-3, SP-4, SP-5, SP-6, and SP-7 are privately placed pursuant to rule 144A of the Securities Act of 1933.