Results 111 to 120 of about 163 (145)
Recent advances in quantitative LA-ICP-MS analysis: challenges and solutions in the life sciences and environmental chemistry. [PDF]
Anal Bioanal Chem, 2015 Limbeck A +5 more
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Ukrainian Geographical Journal, 2022
Today, the study of the development of Holocene nature and its individual components within the territory of Ukraine is quite active. The research results are reflected in dissertations and monographs as well as in numerous publications. But there is no separate generalizing scientific work linking all the available information. The aim of our work was
Anatolii Kushnir
exaly +2 more sources
Today, the study of the development of Holocene nature and its individual components within the territory of Ukraine is quite active. The research results are reflected in dissertations and monographs as well as in numerous publications. But there is no separate generalizing scientific work linking all the available information. The aim of our work was
Anatolii Kushnir
exaly +2 more sources
Recognition And Significance Of Paleosoil Zones In A Heavy Oil Development Program
SPE International Thermal Operations and Heavy Oil Symposium and Western Regional Meeting, 2004Abstract Several types of ancient soil zones are present in the reservoirs of the Hamaca Development Area, Orinoco Heavy Oil Belt of Venezuela. It is important to recognize these paleosoils when drilling production wells and when constructing reservoir simulation models. The major reservoir sands were deposited in fluvial and fluviotidal
Steven Johansen +2 more
exaly +2 more sources
Lithos, 2022
The large expanses of lava field and soils spread out around Mt. Etna volcano (Italy), make unique the landscape of the whole area. In this work, we investigated a sample set of a peculiar aggregate locally named with the term "Ghiara" collected in different outcrops of Mt. Etna volcano southern flank.
Gabriele Lanzafame +2 more
exaly +2 more sources
The large expanses of lava field and soils spread out around Mt. Etna volcano (Italy), make unique the landscape of the whole area. In this work, we investigated a sample set of a peculiar aggregate locally named with the term "Ghiara" collected in different outcrops of Mt. Etna volcano southern flank.
Gabriele Lanzafame +2 more
exaly +2 more sources
Processes in soils and paleosoils
GeoJournal, 1995We determined the quantitative mineralogical compositions of various grain size fractions of soil samples that were collected from 10-cm depth intervals. Our results show that the grain size distribution curve of a given mineral is related to the mineral's origin and can be used as a source of information when soil-forming processes are studied.
Ern� Nemecz +1 more
openaire +1 more source
The Mechanisms and Time Factor of the Enzyme Structure of a Paleosoil
Biophysics, 2017The data on the enzyme activity of paleosoils of archaeological sites are given. It is shown that the activity of phosphatases and urease in soils of ancient settlements is significantly higher than in modern soils: 1.5–2.0 times for urease and 7–15 times for phosphatase in some cultural layers of the Bronze Age.
N. N. Kashirskaya +4 more
openaire +1 more source
LIFE OF THE EARTH, 2022
The article discusses the results of preliminary studies of the Paleocene sections “Privolsk” and “Shikhany” from the Saratov Volga region. A complete description of the geological structure of the sections is given for the first time. Ichnoassemblages, ichnofacies and paleosols are identified.
Svetlana Malenkina +3 more
openaire +1 more source
The article discusses the results of preliminary studies of the Paleocene sections “Privolsk” and “Shikhany” from the Saratov Volga region. A complete description of the geological structure of the sections is given for the first time. Ichnoassemblages, ichnofacies and paleosols are identified.
Svetlana Malenkina +3 more
openaire +1 more source
[Reactivation of dormant and nonculturable bacterial forms from paleosoils and subsoil permafrost].
Mikrobiologiia, 2012Methods of reactivating the dormant forms (DFs) and nonculturable cells (NCs) of the bacterial communities of buried paleosoils and subsoil permafrost stored for long periods of time (thousands to millions of years), including completely sterile samples (CFU = 0), were developed.
N A, Kriazhevskikh +5 more
openaire +3 more sources