Yunfei Sun

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Consignment stock (CS) is a special case of vendor managed inventory (VMI). The present literature on CS model has focused on the one-vendor, one-buyer system with or without the presence of product obsolescence. This paper extends the present works from two aspects. One is to change the system to one-vendor and two-buyer. The overlapped effects of the CS(More)
Single-molecule localization (SML) is a powerful tool to overcome the diffraction limit in optical imaging, because the fluorescence emitted by single molecules can be observed with nanometer accuracy when the optical background and associated noise are made sufficiently small. Random adsorbed SML has been successfully demonstrated for superresolution(More)
Predation of manila clams (Ruditapes philippinarum) by swimming crabs (Portunus trituberculatus) and Japanese stone crabs (Charybdis japonica) was compared in the laboratory under different starvation regimes by a video recording analysis system, and the mechanism of foraging behavior differences between them combined with ethograms and morphology(More)
Gene therapy is a potent tool for the treatment of cancer and other gene defect diseases, which involves using DNA that encodes a functional, therapeutic gene to replace a mutated gene. However, the DNA transfection efficiency is restricted by its negative charges and low susceptibility to endonucleases which prevent them penetrating tissue and cellular(More)
The extensive application of herbicides has led to a serious threat of herbicide contamination to aquatic ecosystem. Herbicide exposure affects aquatic communities not only by exerting toxicity on single species but also by changing interspecific interactions. This study investigated the antigrazer defenses of the common green alga Scenedesmus obliquus(More)
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