Sentence examples for silica system from inspiring English sources

The results were evaluated by considering the adsorbability of citrate ions on alumina and magnesia surfaces in the pH range of the alumina colloidal silica system.

Accordingly, the s-GG-g-PAN template gets trapped inside the resulting silica system, which on calcining at 900 °C is lost, producing pores of shape and size of the template.

Nowadays, lion's share of the polymers which are utilized for templating is petrochemical based and costly, and their removal from silica system is troublesome; also, they are not eco-friendly.

When the stress exceeds 30% of the tensile strength, water molecules in the silica system begin to dissociate into two reaction pathways, i.e. one governed by the chemical adsorption of water at a low stress level and the other dominated by the breakage of siloxane bonds at a high stress level.

Based on a pure silica system using TEOS as silicon precursor and 3 wt % Pluronic P123 as a structure-directing agent, TEOS was replaced step by step by a defined amount of the organosilane SSP1 (1) or SSP2 (3) and, furthermore, by the corresponding single-source precursor SSP1-Eu (2) or SSP2-Eu (4).

Various luminescent labelled silica systems have been synthesized in the past decades.

Drug release from mesoporous silica systems has been widely investigated in vitro using USP Type II (paddle) dissolution apparatus.

The vanadium and molybdenum silica systems were compared for a wide range of experimental conditions, including the influence of oxidant (N2O or O2) and the influence of methane content of the feed (methane rich or methane lean conditions).

The mechanism of phase separation of sol-gel alkoxy-derived silica systems obtained by acid catalysis in the presence of poly methyl methacrylate) (PMMA) and tetrahydrofuran was investigated by light scattering.

Kinetic effects are much more dominant in micro-scale silica systems and the kinetic effects are found to depend on a film-draining mechanism at the PLA-LDPE interface region.

In the similar way were prepared silica systems in the presence of polyvinyl alcohol.