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Pxy graph of partially miscible liquids — hexane.

Pxy-diagram for the system nitrogen at different temperatures.

Py form two ir bonding orbitals.

Py gc ms traces of coalified wood from the Moscow Basin.a total ion chromatogram, b mass chromatogram m z 109, c mass chromatogram m z 138.

Py gc trace of buried cedar wood from the Dismal Swamp, VA.

Py gc traces of Lower Cretaceous lignitic wood samples.

Py gc traces of Upper Cretaceous lignitic wood samples.

Py methylation GC MS chromatograms of lead white pigmented linseed oil paint after 610 C Curie point pyrolysis assisted with on line methylation using 2.5 methanolic TMAH . 1, heptenoic acid, methyl ester 2, heptanoic acid, methyl ester 3, butenedioic acid, dimethyl ester 4, butanedioic acid, dimethyl ester 5, octenoic acid, methyl ester 6, octanoic acid, methyl ester 7, pentenedioic acid, dimethyl ester 8, pentanedioic acid, dimethyl ester 9, nonanoic acid, methyl ester 10, hexanedioic acid, dimethyl ester 11, decanoic acid, methyl ester 12, heptanedioic acid, dimethyl ester 13, octanedioic acid, dimethyl ester 14, 1,2 benzenedicarboxylic acid, dimethyl ester 15, a methyl octanedioic acid, dimethyl ester 16, nonanedioic acid, dimethyl ester 17, a methoxy octanedioic acid, dimethyl ester 18, a methyl nonanedioic acid, dimethyl ester 19, a,a dimethyl nonenedioic acid, dimethyl ester 20a, a methyl nonenedioic acid, dimethyl ester 20b, a,a dimethyl nonanedioic acid, dimethyl ester 21, decanedioic acid, dimethyl ester 22, a methoxy nonanedioic acid, dimethyl ester 23, a methyl decan edioic acid, dimethyl ester 24, undecanedioic acid, dimethyl ester 25, a methoxy decan edioic acid, dimethyl ester 26, pentadecanoic acid, methyl ester 27, dodecanedioic acid, dimethyl ester 28, hexadecanoic acid, methyl ester 29, heptadecanoic acid, methyl ester 30, octadecanoic acid, methyl ester 31,8 methoxy 9 octadecenoic acid, methyl ester 32, 11 methoxy 9 octadecenoic acid, methyl ester 33, 9 methoxy 10 octadecenoic acid and 10 methoxy 8 octadecenoic acid 34, 9 oxo octadecanoic acid, 10 oxo octadecanoic acid 35, 9 epoxy octadecanoic acid 36, eicosanoic acid, methyl ester 37, 9,10 dimethoxy octadecanoic acid, methyl ester 38, docosanoic acid, methyl ester. Reprinted from J. Anal. Appl. Pyrol., 61, 1 2, van den Berg and Boon, 19, Copyright 2001, with permission from Elsevier

PY modified Ni-Ni structure function

Py s synthesis of -australine.

Py silylation GC MS chromatograms of aged linseed oil pyrolysed in the pre sence of HMDS, Pyrogram obtained with a microfurnace pyrolyser pyrolysis temperature

Py values in CO2 at 45 C plotted against a dielectric cross term

Py values in the vapor phase

Py-CH Cl MS spectrum of lysophosphatidyl ethanolamine , obtained at 217.6f C from a lipid extract of

Py-CI MS spectrum for cellulose using NH3 as a collision gas.

Py-EI MS spectrum at 14 eV electron energy of amylose.

Py-FI mass spectrum of 1,4- -mannan.

Py-FI MS spectrum of glycogen .

Py-field ionization MS spectrum of natural rubber at 31C ,

Py-FImass spectrum of 1,2-a-mannan.

Py-FIMS spectrum of 1,3-di-o-tolylguanidine . Copyright 1982 Wiley-VCH.

Py-GC chromatograms of c s-l,4-polyisoprene at different temperature ranges

Py-GC MS chromatogram of ABS at 500 C. A and S denote acrylonitrile and styrene, and these units in dimers and trimers

Py-GC MS chromatogram of brominated epoxy resin at 450 C. Peaks labelled are 2-bromophenol and 2-bromo-4-isopropenylphenol, respectively

Py-GC MS chromatogram of cured phenol-formaldehyde resin at 600 C



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