Results 1 to 10 of about 900,993 (312)

Textural and origin of Cheshmeh Khorzan conglomerate (Arak Mighan Playa watershed) by multivariate statistical method [PDF]

open access: yesJournal of Stratigraphy and Sedimentology Researches, 2022
Cheshmeh Khorzan conglomerate is located in the Arak Mighan Playa watershed. Determining the texture characteristics and origin of conglomerates is one of the objectives of this study.
Feridon Ghadimi, Farzaneh Esmaeli
doaj   +1 more source

Chitosan as a carbonation catalyst in lime mortars

open access: yesResults in Engineering, 2023
The investigation evaluates the influence of unmodified chitosan on the carbonation behavior of aerial lime mortars, determining the main properties in hardened state.
Marisa Carmona-Carmona   +5 more
doaj   +1 more source

Determination of Tin, Lead and Zinc in a Tin-Lead-Zinc Deposit in Xianghualing Mining Area, Hunan Province by Inductively Coupled Plasma-Optical Emission Spectrometry with Alkali Fusion

open access: yesYankuang ceshi, 2023
BACKGROUND The Xianghualing mining area in Hunan Province is an important part of the east-west tectonic-magmatic-metallogenic belt in the Nanling area.The ore-forming geological conditions in the mining area are superior, and it is famous for its many ...
XIAO Xilian   +5 more
doaj   +1 more source

Study on Process Mineralogy of a Low-grade Refractory Phosphate Ore in Sichuan

open access: yesKuangchan zonghe liyong, 2022
The process mineralogy of a low-grade refractory phosphate ore in Sichuan Province was studied by means of chemical analysis, microscopic identification, X-ray diffraction and infrared spectrometry analysis.
Xinwen Yu   +3 more
doaj   +1 more source

Vernacular Language and the Wu Dialect in the Formation of a Chan Koine and the Rise of Chan/Zen Philology: The Seventh to Seventeenth Centuries

open access: yesReligions, 2023
Chan monks had a language problem. They needed to deal with at least four registers; the language of the street in their district, the Chan koine with its colloquialisms and argot, the guanhua or official language, and the elite formal language in ...
John Alexander Jorgensen
doaj   +1 more source

Experimental Studies of Mechanical-Electrical Transformations during the Destructive Processes Developing in Dielectric Materials

open access: yesҚарағанды университетінің хабаршысы. Физика сериясы, 2022
A mechanical-electrical method for testing fractures developing within the stress-strain state changes of dielectric rock samples, as an example, is discussed here.
A.A. Беспалько   +2 more
doaj   +1 more source

Magnetic Barkhausen Noise Measurements on Rocks

open access: yesTecnura, 2022
Context: The magnetic properties of rocks may reflect the modal abundance, composition, and microstructure of the magnetic grains contained within them, usually in a very small proportion.
Miriam Rocío Neyra Astudillo   +3 more
doaj   +1 more source

Dose rates evaluation of some granitic rocks from the Paraná State

open access: yesBrazilian Journal of Radiation Sciences, 2021
Granitic rocks, widely used as building materials, are known to contain natural radionuclides and can be an important source of radiation for the population.
Ademar de Oliveira Ferreira   +1 more
doaj   +1 more source

Superparamagnetism of Artificial Glasses Based on Rocks: Experimental Data and Theoretical Modeling

open access: yesMagnetochemistry, 2023
Artificial glasses containing nanoscale inclusions of iron oxides, including magnetite and hematite, were obtained via the method of the high-temperature melting of rocks.
Petr Kharitonskii   +9 more
doaj   +1 more source

Basking and retreat site selection of Phymaturus palluma, a rock-dwelling lizard in the Highlands of Aconcagua

open access: yesAnais da Academia Brasileira de Ciências, 2021
Basking and retreat sites constitute a key resource in the habitat of any ectotherm. Identifying the elements that are used and modelling the microhabitat selection of species is crucial for assessing the impact of anthropogenic disturbances at the ...
NADIA VICENZI   +3 more
doaj   +1 more source

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