decomposition

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decomposition

[dē‚käm·pə′zish·ən]
(chemistry)
The more or less permanent structural breakdown of a molecule into simpler molecules or atoms.
(geochemistry)
(mathematics)
The expression of a fraction as a sum of partial fractions.
The representation of a set as the union of pairwise disjoint subsets.
References in periodicals archive ?
Each of three described methods (Lopt, Decomp and new Lopt-Decomp) results in a different location of 273 stations.
Once the dummy nodes are removed from the path extracted, the path can be added to the output of decomp function.
= 310C (decomp.); max(KBr)/cm 3230, 1640, 1611, 1561, 1510, 1470, 1404, 1322, 1304, 1248, 1198, 1171, 1108, 1033, 1021, 944, 890, 820, 800, 760, 739, 710, 695, 650, 628; dH (DMSO-d6) 2.30 (6 H, s, 2 x Me), 7.05 (4 H, d, J = 8.2 Hz, 4 x Ar-H), 7.15 (4 H, d, J = 8.2 Hz, 4 x Ar-H), 9.63 (2 H, s, 2 x NH); m/z (EI+, 1.20e+003), 392 (10 %, M+6), 391 (16, M+5), 390 (35, M+4), 389 (24, M+3), 388 (100, M+2), 387 (23, M+1), 386 (78, M+), 371 (14), 358 (8), 357 (14), 356 (22), 355 (44), 354 (13), 353 (14), 352 (11), 351 (35), 315 (38), 267 (28), 192 (17), 158 (18), 129 (19), 128 (12), 127 (79), 106 (23), 91 (24), 84 (52), 63 (77); Calc.
Two cavity Gauss LU Band diagonal Jordan decomp. solver Number of drops 2 2 2 Number of legs/inlet 2 2 2 Elements per segment 8 8 8 Rows in flow matrix 24 24 24 Columns in flow matrix 24 24 5 Storage (bytes) 4,608 4,608 960 Response time (sec) 0.121 0.010 0.002 Numerical stability Good Poor Excellent Sixteen cavity Gauss LU Band diagonal Jordan decomp solver Number of drops 16 16 16 Number of legs/inlet 4 4 4 Elements per segment 8 8 8 Rows in flow matrix 168 168 168 Columns in flow matrix 168 168 9 Storage (bytes) 225,792 225,792 12,096 Response time (sec) 18.992 0.470 0.025 Numerical stability Good Poor Excellent
for Conap, Bay Mills, Decomp, Zyvax, GT Products, Chemlease)
All spectra were measured with the DECOMP [4] line-finding program developed by Brault.
Lemon chiffon solid; yield: 71 %; m.p.: 241 o C (decomp.); IR (KBr) u max cm -1 : 2865 (C-H), 1631 (COO) as , 1555 (C=N), 1440, 1097, 753 (benzene ring), 1345 (NO 2 ), 1276 (COO) s , 681 (Cl), 531 (PbN), 403 (Pb-O); Molar conductance (DMSO) (Lambda)m (Ohm -1 cm 2 mol -1 ): 13.9; FAB-MS (+ve) m/z: 1055.4 [M+H] + (calcd.