Results 1 to 10 of about 24,342 (137)
Simultaneous ion-exchange sorption of uranium with concomitant impurities [PDF]
The aim of the study is to elucidate the effect of simultaneous sorption of uranium with different concomitant impurities that are contained in underground leaching solutions (sulfates, chlorides, nitrates, phosphates, silicates, iron, aluminum, and ...
Sharafutdinov Ulugbek +5 more
doaj +1 more source
Research and optimization of the technology for the synthesis of a modifying additive based on a mixture of hydro silicates and calcium aluminosilicates [PDF]
Introduction. To improve the performance properties of lime coatings, modifying additives are introduced into their formulation. The development of a technology for the synthesis of an additive containing calcium hydro- and aluminosilicates, which ...
Valentina I. Loganina, Mikhail V. Frolov
doaj +1 more source
The Atomic-Level Structure of Cementitious Calcium Aluminate Silicate Hydrate Determined by NMR
We review our recent paper which resolves the long-standing dilemma of the location and nature of the six-fold coordinated aluminum in calcium aluminate silicate hydrate (C-A-S-H) samples.
Pinelopi Moutzouri, Lyndon Emsley
doaj +1 more source
Unconfined compressive strength test on geopolymer fly ash stabilized clay shale [PDF]
This paper discusses the problem of clay shale in construction and the need for its improvement. The use of geopolymer as a sustainable and environmentally friendly solution for soil stabilization is presented as an alternative to cement-based ...
Edi Hartono +2 more
doaj +1 more source
Physico-chemical and mechanical properties of geopolymer/zircon composites [PDF]
The effect of zircon (ZrSiO4) on the physico-chemical and mechanical properties of geopolymer/zircon composites was examined in this study. Four geopolymer/zircon composites containing 10, 20, 30 and 40 wt.% zircon were prepared from metakaolin ...
Kljajević Ljiljana +6 more
doaj +1 more source
Non-deformable inclusions are detrimental to the surface quality and mechanical properties of stainless-steel plates. Plant trials were conducted to investigate the effect of different ferrosilicon alloys and calcium treatment during argon oxygen ...
Jun Zhai +4 more
doaj +1 more source
This work presents the preparation of mesoporous aluminum silicates from condensation of xerogel obtained from Tetraethyl orthosilicate (TEOS) and other aluminum precursos from various sources.
Alexis Hidrobo +2 more
doaj +1 more source
Bauxite residue (BR), a by-product of alumina and aluminum production, consists of high aluminum, silica, and iron content, and sodium from the bauxite ore digestion during the Bayer process.
Roberto Cesar de Oliveira Romano +6 more
doaj +1 more source
Synthesis of 2,8,14,20-tetra-n-butylpyrogallol[4]arene and computational study conformational
This work presents the preparation of mesoporous aluminum silicates from condensation of xerogel obtained from Tetraethyl orthosilicate (TEOS) and other aluminum precursos from various sources.
Cesar H. Zambrano +4 more
doaj +1 more source
Speciation of selected trace and major elements in lignite used in "Nikola Tesla A" power plant (Obrenovac, Serbia) [PDF]
Four samples of milled lignite used in the "Nikola Tesla A" power plant located in Obrenovac near Belgrade, were subjected to a five-step sequential extraction, comprising of the following phases: distilled water, 1M ammonium acetate, 0.2M ammonium ...
Popović Aleksandar R. +1 more
doaj +3 more sources

