Zongxiang He

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In this paper, we present a higher order edge-aware texture smoothing technique using the partial shape preserving spline (PSPS). PSPS is a spline technique similar to B-spline in its simplicity of mathematical representation, but it has a shape design capability more powerful than NURBS. The distinguishing characteristic of PSPS is that it allows to(More)
OBJECTIVE To explore the effective agent to inhibit the growth of water-bloom algae and establish corresponding forecast model based on the inhibitory effect. METHODS The inhibitory effect of pyrogallic acid at different concentrations on Microcystis aeruginosa was studied in the indoor control conditions and the mathematical model of algal growth(More)
OBJECTIVE To study the inhibition effect on blue-green algae of higher aquatic plants with their rhizosphere microorganisms and its mathematical model. METHODS The inhibitory effects of sterile and containing bacterium Myriophyllum verticillatum L root extracts on Microcystis aeruginosa were studied respectively, and the difference-differential equation(More)
OBJECTIVE To investigate the inhibitory effects of single and compound phenolic acids on mixed algae. METHODS Salicylic acid, cinnamic acid and pyrogallic acid were chosen individually or in pairs to act on mixed algae of Microcystis aeruginosa and Chlorella pyrenoidosa. RESULTS Three phenolic acids that singled or paired showed certain inhibitory(More)
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