The permittivities of pulverized samples of coal and limestone were measured over a range of bulk densities at 11.7 GHz and 20/spl deg/C. The measured values were used, along with particle densities, ...

This study detailed the quality of olive oils produced in Campo Erê, Santa Catarina─Brazil, a potential region for olive cultivation in southern Brazil. Samples were evaluated regarding ...

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Amorphous calcium phosphate (ACP) is the first solid phase precipitated from a supersaturated calcium phosphate solution. Naturally, ACP is formed during the initial stages of biomineralization and ...

A pycnometer and four-decimal precision balance (Marte, model Ay220) were used to obtain the density at 20 ºC. These values were within the limit of 850–900 kg m –3, as required by the National Agency ...