Articles with "cao mgo" as a keyword



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Uptake of curcumin by supported metal oxides (CaO and MgO) mesoporous silica materials

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Published in 2018 at "Journal of Sol-Gel Science and Technology"

DOI: 10.1007/s10971-018-4763-2

Abstract: AbstractSupported metal oxides (CaO and MgO) mesoporous silica were synthesized using impregnation method. Curcumin uptake capacity by metal oxides (CaO and MgO) supported mesoporous silica were determined using batch method. The structural properties of these… read more here.

Keywords: cao mgo; oxides cao; mesoporous silica; metal oxides ... See more keywords
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Structural evolution of synthetic alkali-activated CaO-MgO-Na2O-Al2O3-SiO2 materials is influenced by Mg content

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Published in 2017 at "Cement and Concrete Research"

DOI: 10.1016/j.cemconres.2017.05.006

Abstract: Stoichiometrically controlled alkali-activated materials within the system CaO-MgO-Na2O-Al2O3-SiO2 are produced by alkali-activation of high-purity synthetic powders chemically comparable to the glass in ground granulated blast furnace slag, but without additional minor constituents. Mg content controls… read more here.

Keywords: na2o al2o3; mgo na2o; cao mgo; al2o3 sio2 ... See more keywords
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A glass in the CaO/MgO/Al2O3/SiO2 System for the rapid laser sealing of alumina

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Published in 2017 at "Ceramics International"

DOI: 10.1016/j.ceramint.2016.12.073

Abstract: Abstract In the field of microelectronics housings made of corundum or sapphire are used, because they resist high mechanical stresses and can be used in extreme environments. For joining these components, sealing materials are necessary,… read more here.

Keywords: laser; system; cao mgo; glass ... See more keywords
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Dissolution behavior of CaO-MgO-SiO2-based bioceramic powders in simulated physiological environments

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Published in 2017 at "Ceramics International"

DOI: 10.1016/j.ceramint.2017.03.130

Abstract: Abstract In this study, the dissolution behavior of CaO-MgO-SiO 2 -based bioceramics was investigated in vitro by using a stage-by-stage simulating physiological environment method. Preliminary dissolution rules of CaO-MgO-SiO 2 -based bioceramics are presented by… read more here.

Keywords: bioceramic powders; dissolution behavior; cao mgo; behavior cao ... See more keywords
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Microscopic and spectroscopic evidences for multiple ion-exchange reactions controlling biomineralization of CaO.MgO.2SiO2 nanoceramics

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Published in 2017 at "Ceramics International"

DOI: 10.1016/j.ceramint.2017.04.001

Abstract: Abstract This study is focused on the mechanism of in vitro biomineralization on the surface of CaO.MgO.2SiO 2 (diopside) nanostructured coatings by scanning electron microscopy, energy-dispersive X-ray spectroscopy and inductively coupled plasma spectroscopy assessments. A… read more here.

Keywords: ion exchange; cao mgo; exchange reactions; multiple ion ... See more keywords
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The soundness of steel slag with different free CaO and MgO contents

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Published in 2017 at "Construction and Building Materials"

DOI: 10.1016/j.conbuildmat.2017.06.077

Abstract: Abstract In this study, five types of steel slags with different free CaO ( f -CaO) and MgO contents were used as mineral admixtures to prepare concretes with W/B ratios of 0.5 and 0.35. The… read more here.

Keywords: cao mgo; steel slag; cao; steel ... See more keywords
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Crystallization behavior and properties of CaO-MgO-Al2O3-SiO2 glass-ceramics synthesized from granite wastes

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Published in 2017 at "Journal of Non-crystalline Solids"

DOI: 10.1016/j.jnoncrysol.2016.11.030

Abstract: Abstract Granite wastes were used as the raw materials for the preparation of CaO-MgO-Al2O3-SiO2 glass-ceramics. The waste loading was about 50.24–68.34 wt% in the batch depending on the chemical compositions of glasses. Effects of SiO2/(CaO + MgO) ratio… read more here.

Keywords: granite wastes; cao mgo; sio2; glass ceramics ... See more keywords
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In situ XRD study on sintering mechanism of SiO2-Al2O3-CaO-MgO ceramics from red mud

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Published in 2019 at "Materials Letters"

DOI: 10.1016/j.matlet.2019.01.019

Abstract: Abstract The sintering mechanism of novel SiO2-Al2O3-CaO-MgO ceramics obtained from red mud was studied using two batches of ceramics mixed with 50 wt% red mud. The sintering behavior and mechanical properties were studied, and crystal evolution… read more here.

Keywords: cao mgo; sio2 al2o3; al2o3 cao; mud ... See more keywords
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Promoting effect of CaO-MgO mixed oxide on Ni/γ-Al2O3 catalyst for selective catalytic deoxygenation of palm oil

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Published in 2020 at "Renewable Energy"

DOI: 10.1016/j.renene.2020.09.133

Abstract: Abstract The study presented herein examines, for the first time in the literature, the role of CaO-MgO as a modifier of γ-Αl2O3 for Ni catalysts for the production of green diesel through the deoxygenation of… read more here.

Keywords: cao mgo; palm oil; cao; deoxygenation palm ... See more keywords
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Regulating the Formation of Al2O3–CaO–MgO Inclusions in Pipe-Steel Production

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Published in 2019 at "Steel in Translation"

DOI: 10.3103/s0967091219020128

Abstract: Research on Al2O3–CaO–MgO inclusions in steel produced on current systems is reviewed. Analysis of the data shows that magnesium-bearing inclusions of both exogenous and endogenous type are present. Consequently, conglomerates of nonuniform composition are formed.… read more here.

Keywords: cao mgo; steel; mgo inclusions; al2o3 cao ... See more keywords
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On the Mechanism of Conglomerate Formation from Nonmetallic Inclusions Based on Al2O3–CaO–MgO System in the Production of Steel at Modern Metallurgical Complexes

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Published in 2019 at "Steel in Translation"

DOI: 10.3103/s0967091219090110

Abstract: The results of studies on the formation of nonmetallic inclusions (NMI) of the Al2O3–CaO–MgO system and pinholes in rolled steel produced at modern metallurgical complexes are presented. It is shown that the mechanism of NMI… read more here.

Keywords: cao mgo; steel; al2o3 cao; formation nonmetallic ... See more keywords