Results 41 to 50 of about 4,204 (206)

Investigation of dioctahedral smectite hydration properties by modeling of X-ray diffraction profiles: Influence of layer charge and charge location [PDF]

open access: yes, 2007
International audienceHydration of the
Drits, Victor.A.   +5 more
core   +2 more sources

High resolution electron microscopy of dioctahedral mica

open access: yesMineralogical Journal, 1978
Two dimensional lattice images of dioctahedral mica with the projection along a1M, [110]2M or a3T-axes were obtained for wedge shaped non-curled edges of sericite crystals. Stacking sequences representing 1M, 2M and 3T polytypes are observed within a small area of the crystal.
Shinji TOMURA   +2 more
openaire   +2 more sources

Clay Minerals and Detrital Material in Paleocene–Eocene Biogenic Siliceous Rocks (Sw Western Siberia): Implications for Volcanic and Depositional Environment Record

open access: yesGeosciences, 2020
The paper presents the results of a study on clay minerals and detrital material of biosiliceous rocks (Paleocene–Eocene) from three sections in the Transuralian region. The authigenic processes in sediments resulted in the formation of dioctahedral clay
Pavel Smirnov   +4 more
doaj   +1 more source

Аbout use of ancient weathering crusts formation during diamond-prospecting works

open access: yesМінеральні ресурси України, 2021
Complex research of Late Devonian – Early Carboniferous and Middle-Late Triassic weathering crusts on various rocks (terrigenous-carbonate formations, dolerites, tuffs, tuffaceous formations and kimberlites) indicated that in conditions of warm and humid
M. M. Zinchuk
doaj   +1 more source

Study of the dehydroxylation-rehydroxylation of pyrophyllite [PDF]

open access: yes, 2010
Pyrophyllite is a raw material of significant interest due to its large number of applications. Most of these applications require a thermal transformation of pyrophyllite; this thermal transformation implies the release of structural OH groups and the ...
Durán Benito, Adrián   +6 more
core   +1 more source

REGARDING THE USE OF BENTONITE CLAYS FROM THE CHERKASY DEPOSIT FOR SAFE RADIOACTIVE WASTE DISPOSAL IN NEAR-SURFACE LOW LEVEL WASTE STORAGE FACILTIES: RESEARCHES ON SORPTION PROPERTIES OF BENTONITES

open access: yesГеохімія техногенезу, 2021
The article is devoted to the study of the barrier properties of bentonite clays from the Cherkasy deposit (Ukraine) as the most promising material for engineered barriers in near-surface disposal facilities for low-level radioactive waste.
B. Shabalin   +5 more
doaj   +1 more source

The Dioctahedral Analogue of Vermiculite

open access: yesClay Minerals, 1953
RESP ...
openaire   +1 more source

Potential of Soils Natural Sorbents for Environmental Decontamination From 137Cs

open access: yesLand Degradation &Development, Volume 37, Issue 2, Page 779-789, 30 January 2026.
ABSTRACT This study addresses the existing research gap concerning the lack of integrated data on the role of in situ soil components in the long‐term fixation of 137Cs under natural, protected, and non‐agricultural conditions. The contamination of ecosystems by radioactive isotopes, particularly 137Cs, represents a considerable environmental hazard ...
Katarzyna Szarłowicz   +3 more
wiley   +1 more source

MICROECOLOGICAL AND FUNCTIONAL ABNORMALITIES OF INTESTINES IN CHILDREN WITH CHRONIC CONSTIPATION. METHODS OF CORRECTION

open access: yesПедиатрическая фармакология, 2010
The work contains the follow-up results obtained by the author himself. 51 children with chronic constipation were studied. A complex assessment of microecological and functional abnormalities of intestines in this pathology revealed a reduced level of ...
E.V. Komarova
doaj   +2 more sources

Study of clay minerals effect on curing characteristics of polymer blends and physical-mechanical properties of prepared vulcanizates

open access: yesMATEC Web of Conferences, 2018
The given paper deals with the study of the properties of clay minerals, namely montmorillonite and moreover, it is focused on effect of these clay minerals on the curing characteristics of the polymer blends and the physical-mechanical properties of ...
Pecušová Beáta   +6 more
doaj   +1 more source

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