siliceous


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si·lic·eous

(si-lish'ŭs),
Containing silica.
Synonym(s): silicious
References in periodicals archive ?
Comparison of group 5 and group 1 shows that when shear undaform steel fiber of 50 kg/[m.sup.3] and silica fume were mixed together, the compressive strength, splitting tensile strength, flexural strength, shear strength, and initial splitting strength of steel fiber-reinforced siliceous shotcrete were improved by 23.91%, 74.19%, 60.43%, 85.39%, and 33.11%, respectively, compared with the reference concrete.
The elastic properties of the crystalline siliceous matrix (K0; p0) are not precisely known, and there is no direct measurement available.
del Egido (observed and photographed); Cabrillanes-San Emiliano, Torre de Babia-La Majua, Pena de Congosto, 29TQH357673, siliceous ridge, 2075 m asl, 29-VI-2003, M.
The samples were examined for siliceous microfossils, including diatoms, testate amoebae (Rhizopoda), and chrysophyte cysts.
In the demosponge Suberites domuncula, AQPs were recently characterized as water channels in the dehydration and hardening of siliceous spicules produced from this animal (Muller et al., 2011).
Writing in the American Chemical Society's Industrial & Engineering Chemistry Research journal, UCLA Associate Professor of Civil and Environmental Engineering Gaurav Sant and "Direct Carbonation of Ca[(OH).sub.2] Using Liquid and Supercritical C[O.sub.2]: Implications for Carbon-Neutral Cementation" co-authors examine calcination, the principal source (up to 65 percent) of C[O.sub.2] emissions in portland cement milling, plus a secondary source (up to 35 percent): the fuel combustion behind heating lime and siliceous sand to form tricalcium silicate.
"We are committed to developing sustainable solutions to meet the needs of the mining industry," said Odair Lima, research chemist at AkzoNobel Surface Chemistry, who presented the paper, titled Development of anionic collectors for direct flotation of apatite from complex siliceous ores with a focus on sustainability.
Enzyme immobilisation using siliceous mesoporous molecular sieves, J.
Warm, sandy, siliceous soil helps to ripen grapes in the best years and produce a concentrated nectar which has a sensational array of aromas, from smoky apple and quince to ripe peach.
(ii) The siliceous sand materials are collected from the local market in Malaysia, the maximum which is 2 mm in size was used to increase solid matrix to the peat.
Their topics include hybrid catalysts for olefin metathesis and related polymerizations, spillover phenomena in electrocatalysis for oxygen and hydrogen electrode reactions, catalytic applications of polyoxometalates encapsulated in inorganic materials, functionalized porous silicates as catalysts for water and air purification, and palladium catalysts deposited on functionally modified siliceous supports.