Sentence examples for area acidity from inspiring English sources

The samples were characterised with respect to chemical composition, surface area, acidity by temperature-programmed desorption of ammonia, nature of acid sites by infrared spectroscopy of adsorbed pyridine and catalytic activity at 370°C in the dealkylation of cumene.

The modification caused changes in the surface area, acidity and pore volume of zeolite sample.

As known, the preparation method plays a vital role on the specific surface area, acidity, and dispersion of the catalysts.

The chemical composition, BET surface area, acidity distribution as well as alkylation activity of these activated metakaolinites are studied.

In addition, characteristics such as surface area, acidity, and particle composition (including transition metals and hydrocarbons content) are likely to affect PM toxicity (Donaldson et al. 2005; Knaapen et al. 2004; Nel 2005).

From these results, one can speculate that the hydrogenolysis activity of Ru/CeO2 is strongly dependent on the specific surface area, acid strength, total acidity, and metal support interaction.

The surface area and acidity of catalysts declined as coke formed on the acid sites and blocked the pore channels, which led to the decrease of olefin and aromatic yields.

Due to decreasing surface area and acidity of the spent catalyst, the activity of the catalyst decreased.

This confers high surface area and acidity to the extrudates, in addition to high hydrothermal resistance and mechanical strength.

This can be attributed to enhancement in surface area, total acidity along with pore volume of Hier-HZ-578 (Table 1).

The role of Ce was to form a thermally stable solid solution with zirconia and consequently to give high surface area and acidity of the sample.