Results 11 to 20 of about 2,082,070 (319)

Geochemical features of groundwater in the South Urals

open access: greenИзвестия высших учебных заведений: Геология и разведка, 2016
This paper gives an analysis and generalization of the data on groundwater chemical and gas composition, located deep in the largest tectonic structures of the Urals. The distribution of groundwaters by the degree of mineralization and composition is subjected to the normal vertical hydrogeochemical zonation.
R. F. Abdrahmanov, V. G. Popov
openaire   +3 more sources

Permian Large Igneous Provinces and Their Paleoenvironmental Effects

open access: yesGeophysical Monograph Series, Page 417-434., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jun Chen, Yi‐Gang Xu
wiley  

+4 more sources

Production of Pigments on the Basis of Titanium Tetrachloride [PDF]

open access: yesMATEC Web of Conferences, 2021
The article describes the manufacture of titanium dioxide, or titania, on the basis of titanium tetrachloride. The main technological requirements for the production of titania are listed, the most prospective raw materials for the chlorination method ...
Vyboishchik Alexander, Popov Mikhail
doaj   +3 more sources

The Application of Plasma Processes during the Production of Pigments [PDF]

open access: yesMATEC Web of Conferences, 2021
The article describes the application of plasma in the production of industrial pigments. Plasmatrons, or cooled electrodes, have found practical use in chemical, petrochemical, metallurgical, and other industries. Plasma-chemical methods with the use of
Vyboishchik Alexander, Popov Mikhail
doaj   +1 more source

FEATURES OF MORPHOLOGY AND CHEMICAL COMPOSITION OF NATIVE GOLD FROM THE MURTYKTY DEPOSIT, SOUTH URALS [PDF]

open access: yesМинералогия, 2021
The morphology and chemical composition of native gold from the Murtykty deposit (South Urals) are discussed in the paper. Native gold is subdivided into five types: 1) inclusions in sulfides, 2) grains in fractures and interstices of pyrite and other ...
N.S. Chukhareva   +5 more
doaj   +1 more source

MINERALOGY OF CHROMITITES OF MOUNT POKLONNAYA OF THE KARABASH MASSIF, SOUTH URALS [PDF]

open access: yesМинералогия, 2022
Mineral composition of chromitites and host serpentinites from a quarry at Mt. Poklonnaya of the Karabash serpentinite massif is studied using optical and electron microscopy.
V.I. Popova   +4 more
doaj   +1 more source

A SEQUENCE OF FORMATION OF «URANPYROCHLORE» AND FLUOROCALCIOPYROCHLORE IN ALKALI PEGMATITES FROM THE VISHNEVYE MOUNTAINS, SOUTH URALS [PDF]

open access: yesМинералогия, 2022
The sequence of formation of pyrochlore crystals of various morphology and composition is considered in an aggregate with ilmenite and feldspar from nepheline-feldspar pegmatite at Mt.
V.I. Popova   +4 more
doaj   +1 more source

Assessment of antibacterial activity of vinyltriphenylphosphonium hexabromoplatinate

open access: yesЖурнал микробиологии, эпидемиологии и иммунобиологии, 2022
Introduction. One of the biological effects of platinum compounds is antibacterial action against Gram-positive and Gram-negative bacteria. Thus, some platinum compounds may inhibit the synthesis of DNA, RNA and proteins in Escherichia coli cells.Aim ...
N. M. Shlepotina   +9 more
doaj   +1 more source

Montbrayite from the Svetlinsk Gold–Telluride Deposit (South Urals, Russia): Composition Variability and Decomposition

open access: yesMinerals, 2023
A rare gold–telluride montbrayite from the large Svetlinsk gold–telluride deposit (South Urals, Russia) was comprehensively studied using optical microscopy, scanning electron microscopy, electron microprobe analysis, reflectance measurements, electron ...
O. Vikent’eva   +5 more
semanticscholar   +1 more source

THORIUM, URANIUM AND RARE EARTH MINERALIZATION IN ROCKS OF THE UGAKHAN GOLD DEPOSIT, BODAIBO ORE REGION [PDF]

open access: yesМинералогия, 2021
The paper reports on the results of studies of ore-bearing rocks of the Ugakhan gold deposit (Bodaybo district): metasandstones, metasiltstones and carbonaceous shales.
E.V. Shepel   +3 more
doaj   +1 more source

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