Results 11 to 20 of about 92,995 (291)

Effect of Alkali Metals and Alkaline Earth Metals Hydroxides on the Structure of Wool Fibers

open access: yesJournal of Natural Fibers, 2022
Wool is sensitive toward the effect of alkaline solutions which are usually used in the dissolution of wool fibers to regenerate keratin. In this investigation, the effect of different alkalis on the chemical composition and the secondary structure of ...
M. Abou Taleb   +6 more
doaj   +1 more source

Studies on the Effect of the Substrate on the Electrocatalytic Performance of Electrodeposited NiFe Hydroxides for Oxygen Evolution Reaction

open access: yesInternational Journal of Electrochemical Science, 2019
As one of the most promising candidates for the oxygen evolution reaction (OER), NiFe hydroxides have attracted tremendous attention due to their earth abundance, cost-effectiveness, and relatively high catalytic activity.
Hansheng Wei   +4 more
doaj   +1 more source

Relationship between Degree of Deformation in Quartz and Silica Dissolution for the Development of Alkali-Silica Reaction in Concrete. [PDF]

open access: yes, 2017
This paper presents research on the influence of quartz deformation in aggregates for the development of the alkali-silica reaction in concrete and its relationship with silica dissolution.
Dal Molin, Denise   +4 more
core   +1 more source

Phosphorus and arsenic distributions in a seasonally-stratified, iron- and manganese-rich lake: microbiological and geochemical controls [PDF]

open access: yes, 2015
Seasonal stratification in temperate lakes greater than a few metres deep provides conditions amenable to pronounced vertical zonation of redox chemistry.
Anderson, Martin S.   +2 more
core   +2 more sources

Thermodynamic description of alkali metal hydroxides over a wide range of temperatures, pressures and densities of aqueous fluids [PDF]

open access: yesE3S Web of Conferences, 2019
All available experimental data on dissociation constants of aqueous hydroxides of Na, K, and Li were critically assembled and together with quantum chemical estimations used to evaluate parameters of the AD EoS [1] for corresponding aqueous molecules ...
Akinfiev Nikolay
doaj   +1 more source

Polyoxometalate (POM)-layered double hydroxides (LDH) composite materials: design and catalytic applications [PDF]

open access: yes, 2017
Layered double hydroxides (LDHs) are an important large class of two-dimensional (2D) anionic lamellar materials that possess flexible modular structure, facile exchangeability of inter-lamellar guest anions and uniform distribution of metal cations in ...
Li, Tengfei   +2 more
core   +1 more source

Variation of benzyl anions in MgAl-layered double hydroxides: Fire and thermal properties in PMMA [PDF]

open access: yes, 2009
Magnesium aluminum layered double hydroxides (MgAl-LDHs) intercalated with a range of benzyl anions were prepared using the coprecipitation method. The benzyl anions differ in functionality (i.e.
Chen, Dan   +3 more
core   +2 more sources

ZIRCONIUM AND HAFNIUM DIOXIDES DOPED BY OXIDES OF YTTRIUM, SCANDIUM AND ERBIUM: NEW METHODS OF SYNTHESIS AND PROPERTIES

open access: yesТонкие химические технологии, 2018
The results of elaborating a method for the synthesis of zirconia and hafnia doped by rare earths (yttrium, erbium and scandium) by using low-hydrated hydroxides of zirconium and hafnium as precursors are reported.
E. E. Nikishina   +2 more
doaj   +1 more source

Controlled Release Kinetics in Hydroxy Double Salts: Effect of Host Anion Structure [PDF]

open access: yes, 2014
Nanodimensional layered metal hydroxides such as layered double hydroxides (LDHs) and hydroxy double salts (HDSs) can undergo anion exchange reactions releasing intercalated anions.
Hossenlopp, Jeanne M., Majoni, Stephen
core   +3 more sources

A Review on Nanopesticides for Plant Protection Synthesized Using the Supramolecular Chemistry of Layered Hydroxide Hosts

open access: yesBiology, 2021
The rapid growth in the human population has triggered increased demand for food supply, and in turn has prompted a higher amount of agrochemical usage to meet the gaps between food production and consumption.
Syazwan Afif Mohd Zobir   +4 more
doaj   +1 more source

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