Search Results - "van Grieken, R."

Understanding the effect of morphology on the photocatalytic activity of TiO2 nanotube array electrodes by Adán, C., Marugán, J., Sánchez, E., Pablos, C., van Grieken, R.

“…[Display omitted] A comprehensive report on the correlation between the morphology and the photocatalytic (PC) and photoelectrocatalytic (PEC) activity of TiO2…”
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The importance of test order in external and standardized test results: The case of PISA 2018 by van Grieken, R, Tena, J D, Pires, Luis, Sanz, Ismael, Avendaño-Miranda, Lilliana L

“…Standardized tests intend to reduce information asymmetry by providing a common and objective measure of students' academic performance. The basic assumption…”
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Raman spectroscopy for the analysis of coal: a review by Potgieter-Vermaak, S., Maledi, N., Wagner, N., Van Heerden, J. H. P., Van Grieken, R., Potgieter, J. H.

“…The advances in the characterization of amorphous carbons by Raman spectroscopy over the last four decades are of interest to many industries, especially those…”
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Characterization of indoor air quality in primary schools in Antwerp, Belgium by Stranger, M., Potgieter-Vermaak, S. S., Van Grieken, R.

“…The indoor air quality of 27 primary schools located in the city centre and suburbs of Antwerp, Belgium, was assessed. The primary aim was to obtain…”
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Direct synthesis of mesoporous M-SBA-15 (M = Al, Fe, B, Cr) and application to 1-hexene oligomerization by van Grieken, R., Escola, J.M., Moreno, J., Rodríguez, R.

“…M-SBA-15 materials (M = Al, B, Cr, Fe) were prepared by different direct synthesis methods, characterized and tested catalytically in the 1-hexene…”
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Perfluorinated Nafion-modified SBA-15 materials for catalytic acylation of anisole by Martínez, F., Morales, G., Martín, A., van Grieken, R.

“…Hexagonally ordered mesoporous SBA-15 silica-support provides excellent physicochemical properties for the immobilization of polymeric Nafion resin. Hybrid…”
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Measurements of air pollution emission factors for marine transportation in SECA by Alföldy, B, Lööv, J. B, Lagler, F, Mellqvist, J, Berg, N, Beecken, J, Weststrate, H, Duyzer, J, Bencs, L, Horemans, B, Cavalli, F, Putaud, J.-P, Janssens-Maenhout, G, Csordás, A. P, Van Grieken, R, Borowiak, A, Hjorth, J

“…The chemical composition of the plumes of seagoing ships was measured during a two week long measurement campaign in the port of Rotterdam, Hoek van Holland…”
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Hybrid zeolitic-mesostructured materials as supports of metallocene polymerization catalysts by Carrero, A., van Grieken, R., Paredes, B.

“…[Display omitted] ► ZSM-5/Al-MCM-41 hybrid material has a mesostructured ordering similar to Al-MCM-41. ► ZSM-5/Al-MCM-41 has enhanced textural and acid…”
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Photoelectrocatalytic study and scaling up of titanium dioxide electrodes for wastewater treatment by PABLOS, C, VAN GRIEKEN, R, MARUGAN, J, ADAN, C, OSUNA, M, PALMA, J

“…Different TiO2 photoelectrodes have been characterized and tested for the photoelectrocatalytic oxidation of methanol. Particulate electrodes (TiO2/Ti and…”
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Atmospheric turbulence triggers pronounced diel pattern in karst carbonate geochemistry by Roland, M, Serrano-Ortiz, P, Kowalski, A. S, Goddéris, Y, Sánchez-Cañete, E. P, Ciais, P, Domingo, F, Cuezva, S, Sanchez-Moral, S, Longdoz, B, Yakir, D, Van Grieken, R, Schott, J, Cardell, C, Janssens, I. A

“…CO2 exchange between terrestrial ecosystems and the atmosphere is key to understanding the feedbacks between climate change and the land surface. In regions…”
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Size distribution and chemical properties of welding fumes of inhalable particles by Oprya, M., Kiro, S., Worobiec, A., Horemans, B., Darchuk, L., Novakovic, V., Ennan, A., Van Grieken, R.

“…The goal of the present study was to analyze the relationship between the fume formation rate, welding conditions, chemical composition of welding fume…”
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Synthesis of size-controlled silica-supported TiO2 photocatalysts by VAN GRIEKEN, R, AGUADO, J, LOPEZ-MUNOZ, M. J, MARUGAN, J

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The application of Raman spectrometry to investigate and characterize cement, Part I: A review by Potgieter-Vermaak, S.S., Potgieter, J.H., Van Grieken, R.

“…Raman spectrometry has received attention for the past 3 decades in its application to the characterisation of pure cement phases, white and grey cements…”
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Anomalous crystallization mechanism in the synthesis of nanocrystalline ZSM-5 by Van Grieken, R., Sotelo, J.L., Menéndez, J.M., Melero, J.A.

“…Nanocrystalline ZSM-5 (crystal size in the range 10–100 nm) has been synthesized in only 24 h by hydrothermal crystallization of clear supersaturated…”
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Mineral dust variability in central West Antarctica associated with ozone depletion by Cataldo, M, Evangelista, H, Simões, J. C, Godoi, R. H. M, Simmonds, I, Hollanda, M. H, Wainer, I, Aquino, F, Van Grieken, R

“…We present here data of mineral dust variability retrieved from an ice core of the central West Antarctic, spanning the last five decades. Main evidence…”
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Associations between ambient, personal, and indoor exposure to fine particulate matter constituents in Dutch and Finnish panels of cardiovascular patients by Janssen, N A H, Lanki, T, Hoek, G, Vallius, M, de Hartog, J J, Van Grieken, R, Pekkanen, J, Brunekreef, B

“…Aims: To assess the relation between ambient, indoor, and personal levels of PM2.5 and its elemental composition for elderly subjects with cardiovascular…”
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Removal of cyanides in wastewater by supported TiO2-based photocatalysts by Aguado, J, van Grieken, R, López-Muñoz, M.J, Marugán, J

“…Titania supported samples on different types of silica have been prepared through a sol–gel method followed by hydrothermal processing. The photocatalytic…”
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Ethylene polymerization with methylaluminoxane/(nBuCp)₂ZrCl₂ catalyst supported on silica and silica-alumina at different AlMAO/Zr molar ratios by Carrero, A, van Grieken, R, Paredes, B

“…Methylaluminoxane (MAO)/(nBuCp)₂ZrCl₂ metallocene catalytic system was supported on silica and silica-alumina. The Zr loading was varied between 0.2-0.4 wt %,…”
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Liquid-Phase Oligomerization of 1-Hexene Using Al-MTS Catalysts by Escola, J. M, Van Grieken, R, Moreno, J, Rodríguez, R

“…The liquid-phase oligomerization of 1-hexene (at 200 °C and 50 bar) was studied using, as catalysts, templated sol−gel aluminosilicates Al-MTS prepared in an…”
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Micro-structural characterization of black crust and laser cleaning of building stones by micro-Raman and SEM techniques by Potgieter-Vermaak, S S, Godoi, R H M, Grieken, R Van, Potgieter, J H, Oujja, M, Castillejo, M

“…Research concerning the formation and removal of black crusts on various historical objects is approached from many different angles. The so-called "yellowing…”
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