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compressive strength for high-performance concretes and mortars up to 28 days [ 18 , 23 ]. The critical factor affecting the performance of concrete structure is pore structure development—pore size distribution rather than the total porosity. The

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. Prediction of the soil structures produced by tillage. Soil & Tillage Research. 79. 233–238. Durner, W., 1994. Hydraulic conductivity estimation for soils with heterogeneous pore structure. Water Resour. Res. 30. 211

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delivery: effects of porosity and pore structure on drug loading and in vitro release . Ceram. Int. , 40 , 12617 – 12621 . Zeng , J. , Li , R. , Liu

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negative curvature. It is possible that the ice crystals in the pores do not take the form of the pore structure but form crystals with positive surface curvature and the remaining water coexists in liquid state. Their XRD analysis of freezing and melting

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were monitored with an on-line mass spectrometer (MS). BET specific surface area and pore structure of the catalysts were determined using an Automatic Micropore and Chemisorption Analyzer (Micromeritics ASAP 2020) with the conventional BET and BJH

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pore structure [ 20 ]. Gas sorption Gas sorption as a method to characterise porous solids dates back to early twentieth century, when it was used for surface area measurements [ 26 ]. Since mid-twentieth century it

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exterior surface over all the supports. But, for 25CoM catalyst, TEM images revealed darker striations of molecular sieves in some area of the graph, suggesting the presence of cobalt within the pore structure, although individual particles could not be

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been adopted as DDSs because of their high surface area, high pore volume, ordered pore structures, and the excellent biocompatibility [ 14 – 18 ]. The typical characterization method of drug loading amount in mesoporous silica spheres is the spectra

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, F.A.L. , 1979 . Porous media, Fluid Transport and Pore Structure . Academic Press Inc . New York . ISBN-13:978-0122236518. Dunai

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Reaction Kinetics, Mechanisms and Catalysis
Authors: Bianca V. Sousa, Karoline D. Brito, José J. N. Alves, Meiry G. F. Rodrigues, Carlos M. N. Yoshioka, and Dilson Cardoso

limiting one and the product distribution depends essentially on the acidity and pore structure of the acid solid [ 6 , 7 ]. The isomerization of n -hexane is reversible and has an energy of activation E act = 118 kJ/mol on the catalyst Pt

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