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The miscibility behavior between silicone materials and mixed gasoline components was explored via Monte Carlo simulation. The variation of energy of mixing and Gibbs energy of mixing between silicone and gasoline components shifted with temperature was calculated. The findings indicated that the miscibility of gasoline components was exceptional in silicone 2 and the selectivity of thiophene was...
A novel open‐tubular CEC column coated with chitosan‐graft‐(β‐CD) (CDCS) was prepared using sol‐gel technique. In the sol‐gel approach, owing to the 3D network of sol‐gel and the strong chemical bond between the stationary phase and the surface of capillary columns, good chromatographic characteristics and unique selectivity in separating isomers were shown. The column efficiencies of 55 000∼163 000...
Covering-based rough approximation space is an important generalization of classical rough approximation space. Matrix is not only a classical field in mathematics, but also a powerful tool in computer science. Recently, boolean matrices have been employed to define the sixth type of covering-based approximation operators. In this paper, we use matrices to describe the other five types of approximation...
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