Zobrazeno 1 - 10
of 50
pro vyhledávání: '"IRVING A. BREGER"'
Publikováno v:
Organic Geochemistry. 4:9-18
Coalified logs ranging in age from Late Pennsylvania to Miocene and in rank from lignite B to bituminous coal were analyzed by 13C nuclear magnetic resonance (NMR) utilizing the cross-polarization, magic-angle spinning technique, as well as by infrar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f6b9ae9e2a7c0402c5133b708c1112cf
https://doi.org/10.1016/0146-6380(82)90003-1
https://doi.org/10.1016/0146-6380(82)90003-1
Publikováno v:
Organic Geochemistry. 3:49-55
Various wood fragments buried in sediments under anaerobic conditions for from 450 yr to approximately 8 Myr have been examined by solid-state 13C nuclear magnetic resonance. Cellulose and other carbohydrates, the major components of Holocene wood, h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e9b17709c1d11d942da8451a739ca3f
https://doi.org/10.1016/0146-6380(81)90013-9
https://doi.org/10.1016/0146-6380(81)90013-9
Autor:
Irving A. Breger, Harry F. Phillips
Publikováno v:
Geochimica et Cosmochimica Acta. 15:51-56
A dioctylphthalate has been isolated from a crude oil by means of adsorption column chromatography. The ester was identified by means of elemental analysis, refractive index, and its infra-red absorption spectrum. Saponification of the isolate and ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::74b3d505a332ab374cf7354c763f554f
https://doi.org/10.1016/0016-7037(58)90009-7
https://doi.org/10.1016/0016-7037(58)90009-7
Autor:
Virginia L. Burton, Irving A. Breger
Publikováno v:
Journal of the American Chemical Society. 68:1639-1642
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7aa13eed165bb62c83d0ff948ab504e6
https://doi.org/10.1021/ja01212a083
https://doi.org/10.1021/ja01212a083
Publikováno v:
Journal de Chimie Physique. 48:184-189
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b22005cd7d8792e5bed05916becb4e8
https://doi.org/10.1051/jcp/1951480184
https://doi.org/10.1051/jcp/1951480184
Autor:
Irving A. Breger, John C. Chandler
Publikováno v:
Economic Geology. 55:1039-1047
Coalified logs in Triassic and Jurassic sediments of the Colorado Plateau have been exposed to alkaline ground water. Extraction of humic acids under such conditions is temperature dependent. Study of residual humic acids in a suite of coalified logs
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f2d92ff08e9f31c66cfb29cb54b8270
https://doi.org/10.2113/gsecongeo.55.5.1039
https://doi.org/10.2113/gsecongeo.55.5.1039
Publikováno v:
Economic Geology. 50:610-624
Analytical studies of partially weathered Red Desert subbituminous coal from Wyoming were made to determine the mineralogical composition and geochemical characteristics of the sample in relation to the presence of U in the coal. The coal, obtained f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a47cbf1da3699bf0f5ff4bcce8e41747
https://doi.org/10.2113/gsecongeo.50.6.610
https://doi.org/10.2113/gsecongeo.50.6.610
Autor:
Irving A. Breger
Publikováno v:
Economic Geology. 53:325-338
A number of critical factors should be considered in the design of files using marginally punched cards. These factors are discussed in general terms and exemplified by reference to a system developed for use in geochemical studies.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7c3c706a7f3a7096c18c852667dbd81
https://doi.org/10.2113/gsecongeo.53.3.325
https://doi.org/10.2113/gsecongeo.53.3.325
Autor:
Irving A. Breger, Andrew Brown
Publikováno v:
Transactions of the New York Academy of Sciences. 25:741-755
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77d76f2f969bd1e187622a1678390bbb
https://doi.org/10.1111/j.2164-0947.1963.tb01915.x
https://doi.org/10.1111/j.2164-0947.1963.tb01915.x
Autor:
Irving A. Breger, James M. Schopf
Publikováno v:
Geochimica et Cosmochimica Acta. 7:287-293
Microscopic study of black, vitreous, carbonaceous material occurring in the Chattanooga shale in Tennessee and in the Cleveland member of the Ohio shale in Ohio has revealed coalified woody plant tissue. Some samples have shown sufficient detail to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::763040c3221f6ffb4af0442e4924aa3c
https://doi.org/10.1016/0016-7037(55)90038-7
https://doi.org/10.1016/0016-7037(55)90038-7