Results 21 to 30 of about 2,046,750 (322)

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

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

BIOLOGY OF ACROPTILON REPENS (L.) DC. IN THE SOUTH URALS [PDF]

open access: bronze, 2020
The article provides information on the biology of Acroptilon repens (L.) DC. This species is a perennial root weed from the Asteraceae family. It is included in the list of quarantine plants of the Russian Federation.
Л. М. Абрамова   +3 more
openalex   +2 more sources

On the rare species biology of the genus Iris L. in culture and natural habitats in the South Urals [PDF]

open access: diamondBIO Web of Conferences, 2020
The article represents a comparison of rare species morphometric indicators and seed productivity of the genus Iris in the South Urals. It’s shown that I. scariosa, I. humilis and I.
Anastasia V. Kryukova   +2 more
openalex   +2 more sources

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

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

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

KUKHARENKOITE-(Ce) AND ITS MINERAL ASSEMBLAGE IN PEGMATITES OF THE VISHNEVYE MOUNTAINS (SOUTH URALS) [PDF]

open access: yesМинералогия, 2021
A rare Ba and REE fluorocarbonate kukharenkoite-(Ce) Ba2 Ce(CO3 )3 F with empirical formula (Ba1.88Sr0.17)2.05(Ce0.53La0.31Nd0.11)0.95(CO3 )3 F was found in alkali pegmatite of vein no. 35 in the Vishnevye Mountains, South Urals. Kukharenkoite-(Ce) forms
V.I. Popova   +4 more
doaj   +1 more source

Accessory mineralisations in lherzolites of Northern Kraka massif (South Urals)

open access: yesGeoresursy, 2023
The findings of platinum group metal mineralization (PGM) and the distribution of platinum group elements (PGE) in lherzolites of the Northern Kraka massif are described.
D. E. Saveliev, R. A. Gataullin
semanticscholar   +1 more source

A Rare Au-Sb Telluride Pampaloite from the Svetlinsk Gold-Telluride Deposit, South Urals, Russia

open access: yesMinerals, 2022
Pampaloite AuSbTe, a rare gold-antimony telluride that was first described in 2019 from the Pampalo gold mine, Finland, was found in samples from the large Svetlinsk gold-telluride deposit, South Urals, Russia.
O. Vikent’eva   +4 more
semanticscholar   +1 more source

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