Zobrazeno 1 - 10
of 42
pro vyhledávání: '"A. V. Pakhnevich"'
Autor:
A. V. Koromyslova, A. V. Pakhnevich
Publikováno v:
Paleontological Journal. 56:741-751
Autor:
L. A. Viskova, A. V. Pakhnevich
Publikováno v:
Paleontological Journal. 56:731-740
Autor:
A. V. Pakhnevich
Publikováno v:
Paleontological Journal. 56:808-823
Autor:
A. V. Pakhnevich
Publikováno v:
Paleontological Journal. 56:374-382
Autor:
Andrei A. Shiryaev, Anton D. Pavlushin, Alexei V. Pakhnevich, Ekaterina S. Kovalenko, Alexei A. Averin, Anna G. Ivanova
Publikováno v:
Meteoritics & Planetary Science. 57:730-744
An unusual variety of impact-related diamond from the Popigai impact structure - yakutites - is characterized by complementary methods including optical microscopy, X-ray diffraction, radiography and tomography, infra-red, Raman and luminescence spec
Publikováno v:
Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 302:235-262
Publikováno v:
Paleontological Journal. 55:589-599
Autor:
A. V. Pakhnevich
Publikováno v:
Paleontological Journal. 55:529-537
The bimineral structure of the zooid walls of bryozoans Acoscinopleura crassa Koromyslova, Martha et Pakhnevich (order Cheilostomata) from the Maastrichtian of Germany has been revealed using X-ray microtomography. Presumably, the wall was partly cal
Publikováno v:
Paleontological Journal. 54:936-945
The use of X-ray microtomography, neutron tomography, scanning electron microscopy and X‑ray microanalysis in the study of stromatolites is discussed, and the advantages of each of these methods are summarized. Scanning electron microscopy allows s
Autor:
A. V. Pakhnevich
Publikováno v:
Paleontological Journal. 54:584-593
The Devonian and Early Carboniferous brachiopod assemblages of the order Rhynchonellida from Transcaucasia (Nakhchivan Autonomous Republic of Azerbaijan and Armenia) are described. The succession of dominating rhynchonellid superfamilies and ecologic