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In this paper, we prove that on positively curved manifolds, the dual of H1 is just BMO. We also obtain some norm characterizations of BMO and H1, and atomic decomposition of H1. They are generalizations of the corresponding theory on Rn set up by C. Fefferman and E.M. Stein.
In this study, the influences of different solvents on highly porous chitosan (CS)‐based hydrogel have been investigated by monitoring the characterizations of the hydrogel. The results determined from rheological analysis and scanning electron microscope showed that all the CS dissolved in different solvents used in this study, when neutralized by α,β‐glycerophosphate solution, could transform into...
ABSTRACT: In this article, chitosan acetate (CA) was prepared by the method of solid–liquid reaction. CA was a stable faint yellow powder with water solubility. CA kept the same backbone in the chemical structure as the raw material of chitosan, and it also had the similar antibacterial properties with chitosan. CA could form a coating film on the outside surface of the sweet cherries, could effectively...
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