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Specific surface area

Particle generation by sas process : effect of the operating conditions on the specific surface area of the powder

Particle generation by sas process : effect of the operating conditions on the specific surface area of the powder

... Experiments Figure 3: Supersaturation as a function of relative rate of solvent to CO 2 mole flow for different experimental parameters : P, T, Csolute in injected DMSO (mol/mol DMSO). If we consider now both ...

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High specific surface area carbon nanotubes from catalytic chemical vapor deposition process

High specific surface area carbon nanotubes from catalytic chemical vapor deposition process

... synthesis 11 . The experimental conditions were adjusted to prepare monophased products with a high specific surface area. Nitrates of magnesium and cobalt in the appropriate ratios were mixed with ...

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Particle size distribution of limestone fillers: granulometry and specific surface area investigations

Particle size distribution of limestone fillers: granulometry and specific surface area investigations

... On the base of these conclusions, it appears that the specific surface area and granulometry of limestone fillers may be efficiently estimated from complementary techniques. This description is ...

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Characterization of commercial metal oxide nanomaterials: crystalline phase, particle size and specific surface area

Characterization of commercial metal oxide nanomaterials: crystalline phase, particle size and specific surface area

... Nanomaterials 2020, 10, 1812 3 of 19 treatments. The different nanoforms are anticipated to show different toxicological profiles. We have focused on several measurands that are important for basic characterization of ...

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High specific surface area carbon nanotubes from catalytic chemical vapor deposition process

High specific surface area carbon nanotubes from catalytic chemical vapor deposition process

... contents S , Fig. 2 . The decrease of S for higher e e cobalt contents could be due either to the increasing presence of carbon nanocapsules or to a bundling effect as observed above. The specific surface ...

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Specific Surface Area Model for Foam Permeability

Specific Surface Area Model for Foam Permeability

... energy and can be assessed using a dedicated software, such as Surface Evolver [13]. For the Kelvin foam structure, numerical data are now available, and in the following, we show that a precise value of an ...

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Highly Active, High Specific Surface Area Fe/C/N ORR Electrocatalyst from Liquid Precursors by Combination of CO$_2$ Laser Pyrolysis and Single NH$_3$ Thermal Post-Treatment

Highly Active, High Specific Surface Area Fe/C/N ORR Electrocatalyst from Liquid Precursors by Combination of CO$_2$ Laser Pyrolysis and Single NH$_3$ Thermal Post-Treatment

... through specific surface area determination, XPS analysis, and ORR ...BET specific surface area measured at 1130 m 2 ·g −1 , which was notably obtained without using any ...

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Specific surface area of carbon nanotubes and bundles of carbon nanotubes

Specific surface area of carbon nanotubes and bundles of carbon nanotubes

... CNTs. In particular, the catalytic decomposition of hydro- Owing to its nanometric diameter, a CNT has a very carbons or CO over metal nanoparticles, also called carbon large specific surface area ...

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Specific surface area of carbon nanotubes and bundles of carbon nanotubes

Specific surface area of carbon nanotubes and bundles of carbon nanotubes

... external specific surface area of single- and multi-walled carbon nanotubes and of carbon nanotube bundles is calculated as a function of their characteristics (diameter, number of walls, number of ...

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Preparation of high specific surface area hydroxyapatite for environmental applications

Preparation of high specific surface area hydroxyapatite for environmental applications

... large specific surface areas above 150 m 2 /g. The specific surface areas also depend on stirring speed with a maximum observed with gentle ...in specific surface area ...

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Measuring the specific surface area of snow with X-ray tomography and gas adsorption: comparison and implications for surface smoothness

Measuring the specific surface area of snow with X-ray tomography and gas adsorption: comparison and implications for surface smoothness

... 1995 ; Lied et al. , 1994 ), hence the smallest structures on the ice surface should be larger than this size. 15 Surface microstructures have been reported on natural snow by Rango et al. ( 1996 ) who ...

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Determination of the Specific Surface Area of Cements and Pozzolans by the Blaine Air-Permeability Method

Determination of the Specific Surface Area of Cements and Pozzolans by the Blaine Air-Permeability Method

... L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux conditions présentées dans le site LISEZ CES CONDITIONS ATTENTIVEMENT AVANT D’UTILISER CE SITE WEB. Report (Nati[r] ...

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Specific Surface Area Determination for Microporous/Mesoporous Materials: The Case of Mesoporous FAU-Y Zeolites

Specific Surface Area Determination for Microporous/Mesoporous Materials: The Case of Mesoporous FAU-Y Zeolites

... different surface areas for purely mesoporous materials and purely microporous ...of surface areas were S mes = 680-700 m 2 /g and S ext = 143 m 2 /g, whereas ...

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Mercury porosimetry, particle size distribution and specific surface area of various sulfur sorbents

Mercury porosimetry, particle size distribution and specific surface area of various sulfur sorbents

... L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux conditions présentées dans le site LISEZ CES CONDITIONS ATTENTIVEMENT AVANT D’UTILISER CE SITE WEB. NRC Publicat[r] ...

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High surface area mesoporous perovskites for catalytic applications

High surface area mesoporous perovskites for catalytic applications

... the surface properties of these mixed metal ...catalyst surface. 8-10 The formation of these surface species depends on the precursors and the conditions used for the ...the surface properties ...

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The kinetics of surface area reduction during isothermal sintering of hydroxyapatite adsorbent

The kinetics of surface area reduction during isothermal sintering of hydroxyapatite adsorbent

... of surface area reduction on the operative sintering mechanism has been ...the specific surface area ...for surface area ...

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Synthesis of high surface area TiO2 coatings on stainless steel by electrophoretic deposition

Synthesis of high surface area TiO2 coatings on stainless steel by electrophoretic deposition

... B. Images of the TiO 2 deposits The EPD coatings after the thermal posttreatment at 350 °C in air were observed with an optical microscope (Fig. 3.1). All coatings showed cracks, which appeared after the calcination at ...

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Separation of high surface area mineral solids from suncor coke fly ash

Separation of high surface area mineral solids from suncor coke fly ash

... Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Separation of high surface area mineral solids from suncor coke fly ash Majid, Abdul; Argue, ...

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G1 Phase Regulation, Area-Specific Cell Cycle Control, and Cytoarchitectonics in the Primate Cortex

G1 Phase Regulation, Area-Specific Cell Cycle Control, and Cytoarchitectonics in the Primate Cortex

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...

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Area-specific development of distinct projection neuron subclasses is regulated by postnatal epigenetic modifications

Area-specific development of distinct projection neuron subclasses is regulated by postnatal epigenetic modifications

... and area-specific manner, thereby indicating that a previously unknown genetic program postnatally promotes the acquisition of final subtype-specific ...

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