He-ping Sun

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Several amino sugars and imino sugar derivatives were synthesized from keto-sugars of D-xylose through a series of reactions such as the Henry reaction, hydrogenation reactions, and nucleophilic addition reactions or substitution reactions. Thiazine derivative 15 was obtained by the reaction of the keto-sugar with NH(2)CSNH(2). Higher carbon sugar 16 was(More)
To solve the parameter tuning difficulties of auto-disturbance-rejection controllers for induction-motor frequency control system, the paper proposes a parameter optimization method based on variable-metric chaotic strategy. The new scheme could effectively settle the issues of an auto-disturbance-rejection controller, such as the widely dispersed,(More)
Painful diabetic neuropathy (PDN) is a common complication of diabetes mellitus. However, the treatment for PDN is limited in clinical practice. In the present study, we investigated the effect of systemic administration dexmedetomidine (DEX), a selective alpha 2 adrenergic receptor (α2AR) agonist, on mechanical allodynia and its underlying mechanism in(More)
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