Zobrazeno 1 - 10
of 14 028
pro vyhledávání: '"isotopic composition"'
Autor:
E. A. Krasnova, A. V. Stoupakova, R. S. Sautkin, A. V. Korzun, M. A. Bolshakova, A. A. Suslova
Publikováno v:
Georesursy, Vol 26, Iss 3, Pp 126-137 (2024)
Isotopic studies are currently among the most prioritized methods for addressing critical challenges in petroleum geology, particularly in determining the nature and sources of organic matter. This paper briefly presents the results of utilizing isot
Externí odkaz:
https://doaj.org/article/6cd84f60d8c744d28ac572f10566e9e1
Publikováno v:
Environmental Sciences Europe, Vol 36, Iss 1, Pp 1-13 (2024)
Abstract Background The Huangpu River serves as a vital water source for around 24 million individuals residing in the metropolitan area of Shanghai. Despite this, elevated levels of heavy metals persist in the sediments of the river, with their chem
Externí odkaz:
https://doaj.org/article/2ed0a0d99f7545ee9e51cfc7503e1162
Publikováno v:
Journal of Hydrology: Regional Studies, Vol 55, Iss , Pp 101920- (2024)
Study region: The middle and lower reaches of the Fuji River system, Central Japan Study focus: The increase in turbidity over the last decade is considered a major cause of habitat degradation of aquatic organisms in the Fuji River and the adjacent
Externí odkaz:
https://doaj.org/article/73ba077a05384152b428316474405586
Autor:
Luciano Pasqualoto Canellas, Natália Aguiar Canellas, Fábio Val, Riccardo Spaccini, Pierluigi Mazzei, Fabio Lopes Olivares
Publikováno v:
Nitrogen, Vol 5, Iss 2, Pp 439-454 (2024)
Protein hydrolysates (PH) and humic substances (HS) are biostimulants that promote crop growth. Despite the widening of knowledge and insights provided by research activities over the past thirty years, there are still uncertainties concerning the po
Externí odkaz:
https://doaj.org/article/fbd13f65da654da7bdc58b24f5ad8130
Autor:
D. V. Bantcev, A. A. Ovsepyan, V. A. Rasputina, A. V. Kozachek, K. B. Tchikhatchev, D. A. Ganyushkin
Publikováno v:
Лëд и снег, Vol 63, Iss 4, Pp 513-524 (2024)
Stable isotopes investigation was carried out in the territory of the Yuzhno-Chuya Ridge (Central Altai) during the ablation season of 2022. Samples were taken to determine the contribution of meltwater and precipitation to feeding of water bodies. T
Externí odkaz:
https://doaj.org/article/d9319134f3a7464d882ca0303cc7c856
Publikováno v:
Записки Горного института, Vol 264, Pp 833-841 (2023)
The mineralogical and geochemical features of diamond-bearing tourmaline crystals (schorl-uvite series) from garnet-clinopyroxene rocks of the Kumdy-Kol deposit (Northern Kazakhstan) have been studied in detail. The formation of the main rock-forming
Externí odkaz:
https://doaj.org/article/0fd0417895f44487ae7c0d3b198e5639
Autor:
Małgorzata Sankowska, Paweł Bilski, Mariusz Kłosowski, Anna Kilian, Wojciech Gieszczyk, Barbara Marczewska
Publikováno v:
Materials, Vol 17, Iss 20, p 5029 (2024)
In this work, the properties of LiF crystals grown using Li of different isotopic compositions are described from the standpoint of their application as fluorescent nuclear track detectors used in measurements in the neutron radiation fields. The cry
Externí odkaz:
https://doaj.org/article/60e3ebbb6fe94b9685053fb0d504b378
Publikováno v:
Геодинамика и тектонофизика, Vol 15, Iss 2 (2024)
Studies of the geological history of the Yenisei Ridge are important not only for understanding the tectonic evolution of mobile belts at the boundaries of ancient cratons but also for problem solving whether the Siberian craton was a part of the Rod
Externí odkaz:
https://doaj.org/article/a0e5f3e878b743589f685f560f8c4642
Autor:
Akintola George Oluwole
Publikováno v:
Open Geosciences, Vol 15, Iss 1, Pp 200-16 (2023)
The increasing demand for energy and global commitment to reduce CO2 emissions to mitigate climate change has spurred countries to pursue unconventional hydrocarbon generation for power production. The investigation of the carbonaceous shale from the
Externí odkaz:
https://doaj.org/article/9e6e407485af4449a311edc8cfd18325
Autor:
Laurynas Bučinskas, Inga Garbarienė, Agnė Mašalaitė, Justina Šapolaitė, Žilvinas Ežerinskis, Dalia Jasinevičienė, Andrius Garbaras
Publikováno v:
Atmosphere, Vol 15, Iss 8, p 883 (2024)
The impact of heavy fuel oil (HFO) on the chemical and isotopic composition of submicron particulate matter (PM1) was investigated. For this purpose, we conducted an analysis of water-soluble inorganic ions (WSIIs) and multiple isotopes (δ34S, δ13C
Externí odkaz:
https://doaj.org/article/7f0a8ed6f47a47238ed9c40fb8279089