Results 71 to 80 of about 18,367 (247)

Enhanced Photocatalytic Kinetics Using HDTMA Coated TiO2-Smectite Composite for the Oxidation of Diclofenac under Solar Light [PDF]

, 2022
Slow kinetics is one of the capital issues of photocatalytic technology because of its heterogeneous nature, which involves multi-step processes.
Imen Fellah, Ordonez, Marcela Frias, Hédi Ben Amor, Ben Amor, Hédi, Djellabi, Ridha, Ridha Djellabi, Fellah, Imen, Hamdi, Noureddine, Noureddine Hamdi, Bianchi, Claudia L., Marcela Frias Ordonez, Claudia L. Bianchi   +11 more
core   +1 more source

Soil wetting and drying processes influence stone artefact distribution in clay‐rich soils: A case study from Middle Gidley Island in Murujuga, northwest Western Australia

Archaeometry, EarlyView.
Abstract Soils that contain swelling clay minerals (e.g., montmorillonite) expand and contract during wetting and drying, causing movement within the soil profile. This process, known as argilliturbation, can alter artefact distributions, destroy stratigraphy and complicate the interpretation of archaeological deposits.
Caroline Mather, Matthias Leopold, Kaitlin Sullivan, Kane Ditchfield, Tom Horrocks, Luke Gliganic, Emma Beckett, Diana Patalwala, Emielda Yusiharni, Michael Smirk, William Hiscock, Jo McDonald   +11 more
wiley   +1 more source

Decoding the origins and sources of clay minerals in the Upper Cretaceous Tununk Shale of south‐central Utah: Implications for the pursuit of climate and burial histories

The Depositional Record, 2020
Clay minerals in fine‐grained marine sedimentary successions are most commonly considered to be detrital in origin and have been used extensively by geologists as indicators of palaeoclimate conditions in the hinterland.
Zhiyang Li, Juergen Schieber, David Bish
doaj   +1 more source

Application of polyether amine, poly alcohol or KCl to maintain the stability of shales containing Na-smectite and Ca-smectite

, 2018
The stability of a shale containing smectite with different exchangeable cations (Na+, Ca2+) was improved using optimum solutions containing polyether amine (PA), poly-alcohol (PO) or KCl.
Shifeng Zhang, Zhixue Chen, Yanfeng He, James J. Sheng, Lipei Fu   +4 more
core   +1 more source

Ceramic Raw Materials and Technological Choices in Iron Age Tyre (Lebanon): A Multiproxy, Fabric‐Based Approach

Archaeometry, EarlyView.
ABSTRACT This study presents a systematically integrated, multiproxy characterisation of Iron Age ceramics from Tyre (Lebanon). Ninety‐nine ceramic samples from stratified Iron Age contexts on Tyre's Acropolis, together with a small Late Bronze Age and raw‐clay reference set, were analysed using petrography, microfossil identification, X‐ray ...
Francisco J. Núñez Calvo, Michał Krueger, Violeta Moreno Megías, Jędrzej Proch, Anna Waskowska, Ali Khalil Badawi   +5 more
wiley   +1 more source

Mineralogical Analysis for Cracking Mass of Soils From Middle of Iraq [PDF]

Al-Qadisiyah Journal For Agriculture Sciences, 2016
Seven soils sites (Afak Vertic-Torrifluvent , Al-Diwaniyah Typic-Torrifluvent , Al-Taleea Typic-Torrifluvent , Babel Vertic-Torrifluvent , College of Agriculture Typic-Torrifluvent , Al-Wahda Vertic-Torrifluvent and Al-Raid project Typic-Torrifluvent ...
Raid. Sh . Jarallah, S. K.Essa
doaj   +1 more source

The Materiality of the Cloggs Cave Rockshelter's Painting, GunaiKurnai Country (East Gipplsland), Southeastern Australia

Archaeometry, EarlyView.
ABSTRACT The materiality of the white pigment motif at the Cloggs Cave rockshelter, near Buchan in GunaiKurnai Country (southeastern Australia), contains details about the cultural and environmental contexts in which the art was created and preserved. Here, we (1) present physicochemical analyses of the pigment composition; (2) explore implications for
Courtney Webster, Jillian Huntley, Russell Mullett, Bruno David, Joanna Fresløv, Helen E. A. Brand, Jean‐Jacques Delannoy, Robert G. Gunn, GunaiKurnai Land and Waters Aboriginal Corporation   +8 more
wiley   +1 more source

Subseismic to Seismic Slip in Smectite Clay Nanofoliation [PDF]

, 2019
Smectite clays are the main constituent of slipping zones found in subduction zone faults at shallow depth (e.g.,
O. Plümper, Aretusini, Stefano, Spagnuolo E., Spagnuolo, E., Di Toro, Giulio, E. Spagnuolo, Di Toro, G., S. Aretusini, Plumper O., Di Toro G., Plümper, Oliver, G. Di Toro, Aretusini S., Aretusini, S., Plümper, O., Spagnuolo, Elena, Research Programme in Earth Sciences Utrecht (DES / IVAU), Structural geology & tectonics, Structural geology and EM   +18 more
core   +3 more sources

The Clay Minerals in the Soils of the Gypseous Belt of Barbastro, NE Spain

Land
This article examines the clay mineralogy of twelve representative soils developed from gypsum-rich parent materials on several geomorphic positions. These soils were classified as Haploxerept, plus one profile as Humixerept and another as Xerorthent ...
Juan Herrero, Raimundo Jiménez-Ballesta, Carmen Castañeda   +2 more
doaj   +1 more source

Application effect of smectite in livestock and poultry diets

Siliao yanjiu, 2021
Smectite is a kind of layered clay composed of extremely fine aluminosilicates. It has multiple bio-functions, such as adsorbing of mycotoxins, heavy metals, pathogenic bacteria, and bacteriotoxins, repairing and protecting the digestive gastrointestinal
Ji-fa CHEN
doaj