Results 21 to 30 of about 88 (67)
DiversityThis paper describes a new species of extinct whitefly in the genus Gregorites Drohojowska & Szwedo, 2024, from the family Aleyrodidae. This species has been identified based on an inclusion in Eocene Baltic amber.
Jowita Drohojowska +2 more
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Evolution of ideas about the origin of fossil resins
Мінеральні ресурси України, 2017 The paper deals with evolution of ideas about the origin of fossil resins as physically and chemically individualized organic compounds – products of natural processes in the Earth’s crust, biogenic origin and noncrystalline structure.
M. A. Bogdasarov, H. I. Rudko
doaj
Мінеральні ресурси УкраїниDuring the exploitation of the Zakhidne Pershe amber deposit in the Klesivskyi amber-bearing district, black organic material classified as “black resins” was found among the extracted amber (succinite) in the sediments of the productive Mezhyhirska ...
D. M. Koval +6 more
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THERMAL AND STRUCTURAL PROPERTIES OF SUCCINITE REINFORCED PA6 NANOFIBERS
ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical ConferenceGive This research article delves into the thermal stability of succinite -an organic polymer- when amalgamated within the structure of PA6 nanofibers, with a focus on assessing the consequent mechanical and structural performance of such composite nanofibers.
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Amber deposits of Ukraine and prospects of their development
Мінеральні ресурси України, 2017 Geological conditions for formation and territorial distribution of amber deposits in Ukraine have been analyzed. Amber deposits for jewelry production are connected with the Baltic-Dnieper Subprovince within the Ukrainian part of which two amber-bearing
H. I. Rudko
doaj
Zephyrus, 2009 RESUMEN: Se exponen los 13 yacimientos prehistóricos de la Cornisa Cantábrica (norte de España), con edades desde el Paleolítico superior hasta la Edad del Bronce, con presencia de ámbar.
Esteban ÁLVAREZ FERNÁNDEZ +2 more
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At the beginnings of the funerary Megalithism in Iberia at Campo de Hockey necropolis. [PDF]
Sci Rep, 2022 Vijande-Vila E +18 more
europepmc +1 more source
ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical ConferenceGive this article delves into the investigation of the crystal structure and crystalline orientation of composite polyamide 6 (PA6) nanofibers. The study aims to elucidate the impact of crystallinity and crystalline orientation on the properties of composite nanofibers, which were manufactured by the electrospinning process of Nylon 6/formic acid ...
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Scorpions trapped in amber: a remarkable window on their evolution over time from the Mesozoic period to present days. [PDF]
J Venom Anim Toxins Incl Trop Dis, 2023 Lourenço WR.
europepmc +1 more source
Metabolomics: An Emerging "Omics" Platform for Systems Biology and Its Implications for Huntington Disease Research. [PDF]
Metabolites, 2023 Akyol S +4 more
europepmc +1 more source