Zobrazeno 1 - 10
of 32
pro vyhledávání: '"H. D. Pflug"'
Autor:
H. D. Pflug, E. Reitz
Publikováno v:
Early Organic Evolution ISBN: 9783642768866
A review is presented on the current state of palynological research in metamorphic rocks. Recent studies have shown that organic-walled microfossils may be structurally preserved in rocks of the greenschist facies and even those of the lower amphibo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e8b98813cc1c00e117fa249e67c6468
https://doi.org/10.1007/978-3-642-76884-2_41
https://doi.org/10.1007/978-3-642-76884-2_41
Autor:
H. D. Pflug, H. Jaeschke-Boyer
Publikováno v:
Nature. 280:483-486
CELL-like inclusions detected in the cherty layers of a quartzite, which is part of the Isua series in South-west Greenland, consist of biological materials, according to analyses by Raman laser molecular microprobe. The available radiometric data pl
Autor:
W. Zeil, H. Scheffler, G. Pfotzer, G. Höhler, S. Brandt, C. K. Jørgensen, W. W. Wendlandt, H. Brintzinger, L. Jaenicke, P. Chandra, H. Schipperges, W. Bühler, O. Creutzfeldt, H. D. Pflug, R. Knippers, O. Kandler, H. Ziegler, E. Schnepf, M. Renner, E. Kuhn-Schnyder
Publikováno v:
The Science of Nature. 61:84-88
Autor:
H. D. Pflug
Publikováno v:
Naturwissenschaften. 65:611-615
A microfossil named Ramsaysphaera has been identified in the ca. 3400-million-year-old Swartkoppie chert of South Africa. Ramsaysphaera closely resembles in size, shape and all preserved structural details, asporogenous yeasts which have been subject
Publikováno v:
Naturwissenschaften. 67:178-181
Lyophilization of the amber-colored, fluorescent oils obtained via thermolysis of amino acid mixtures (Lys, Ala, Gly) leads to a cellular-structured material—with an average cell diameter of 50 μm. The cellular aggregates show a resemblance to epi
Publikováno v:
Die Naturwissenschaften. 56:10-14
Publikováno v:
The Journal of Physical Chemistry. 72:1939-1944
Publikováno v:
Canadian Journal of Chemistry. 48:3782-3785
The results of calorimetric, dilatometric, and circulation still studies of the system n-propanol – isopropanol at 25 °C are reported. Examination of the behavior of the excess properties indicates that deviations from ideality can be attributed m
Publikováno v:
Canadian Journal of Chemistry. 48:2457-2465
The vapor–liquid equilibria of the 4 binary systems formed by mixing methanol with n-butanol, isobutanol, sec-butanol, and tert-butanol were investigated at 25 °C in a dynamic still with circulation. The results were used to calculate the molar ex
Autor:
G. C. Benson, H. D. Pflug
Publikováno v:
Canadian Journal of Chemistry. 46:287-294
A dilatometer suitable for measuring small changes in volume associated with the mixing of liquids is described. The apparatus was used to measure the excess volumes of 11 binary n-alcohol systems at 25 °C.