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Such a method can replace traditional reaction with phosgene as the carbonylation reagent, involving the toxic reagent and drastic reaction conditions, the new herein studied method is environmentally benignancy and has atom economical selectivity.

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A blit operation involving two compatible bitmaps are reasonably fast, because it does not need to perform complex

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From the view of fracture mechanics, the problem involving a center crack in a rectangular piezoelectric body under anti-plane mechanical shear displacement and in-plane electrical field is analyzed by the boundary collocation method in this paper.

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