Results 11 to 20 of about 305,256 (162)

Genesis of the Delkan iron deposit based on the geological, tectonic, petrographic as well as δ18O and δ34S stable isotope studies (SW of Bardeskan, Khorasan Razavi Province) [PDF]

open access: yesپترولوژی
IntroductionDelkan iron mine, geologically, located in the south of Bardeskan city. It is geologically located in the eastern part of the Central East Iran Microcontinent.
Masih Kassaeian, Mehrdad Behzadi
doaj   +1 more source

Evidence for fungi and gold redox interaction under Earth surface conditions

open access: yesNature Communications, 2019
The role of fungi in the biogeochemical cycling of gold remains unclear. Here the authors show that fungi can initiate gold oxidation under supergene conditions, thereby impacting gold mobilisation and secondary deposit formation in terrestrial ...
Tsing Bohu   +11 more
doaj   +1 more source

Removal of Congo Red From Aqueous Solutions at Hardened Cement Paste Surfaces

open access: yesFrontiers in Materials, 2020
The removal of azo dyes is a critical issue in current textile industry wastewater treatment. In contemporary wastewater management, many structures that are in direct contact with wastewater are constructed with concrete.
Matthias Wagner   +4 more
doaj   +1 more source

Тhe role of the internal use of mineral water in the complex treatment of patients with chronic viral hepatitis C with concomitant non-alcoholic fatty liver disease

open access: yesJournal of Education, Health and Sport, 2020
Introduction: The use of modern drugs with direct antiviral effect allows achieving a stable virologic response (SVR) in patients with chronic hepatitis C (CHC).
Anna Izha
doaj   +1 more source

The effect of inoculation of pea plants with mycorrhizal fungi and Rhizobium on nitrogen and phosphorus assimilation

open access: yesPlant, Soil and Environment, 2006
The study evaluated the response of pea (Pisum sativum cv. Avola) to arbuscular mycorrhizal fungi (AM) species Glomus mosseae and Glomus intraradices and Rhizobium leguminosarum bv.
M. Geneva   +5 more
doaj   +1 more source

Spatiotemporal Variations of Groundwater Storage in arid region [PDF]

open access: yesE3S Web of Conferences
Groundwater depletion is a critical issue in arid regions, where groundwater supports both agriculture and ecosystems. The Heihe River Basin (HRB) in northwestern China is a representative area with high groundwater dependence.
Wang Jing   +4 more
doaj   +1 more source

Mineral waters from upper Trotuș river basin [PDF]

open access: yesAerul şi Apa: Componente ale Mediului, 2017
Mineral waters from Ciucului Mountains are in a small number and sporadically distributed along the river valleys. In order to fill the lack in the bibliography of mineral waters described as sulfurous springs from Ciucului Mountains we gathered ...
Boglarka CZELLECZ   +5 more
doaj   +1 more source

Spatiotemporal characterization of meteorological drought in northwestern Algeria (1981-2023) using CHIRPS precipitation data and the Standardized Precipitation Index

open access: yesH2Open Journal
This study examines the spatiotemporal variability of meteorological drought in northwestern Algeria over the period 1981–2023 using the Standardized Precipitation Index (SPI) derived from CHIRPS precipitation data.
Ahmed Hadi HAMMAS   +2 more
doaj   +1 more source

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