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Lead (Pb) exposure can cause central nervous system (CNS) damage. The process of Pb neurotoxicity is accompanied by the microglia activation. In addition, microglia activation was observed under the intervention of high‐fat diets (HFD). This study was designed to investigate the effect of Pb on the cognitive function of mice with HFD, with focus on the microglia activation in brain. Male C57BL/6J...
This paper established a new, rapid and sensitive method for the determination of lead in water samples preconcentrated by dispersive liquid–liquid microextraction (DLLME) prior to atomic fluorescence spectrometry. Dithizone was used as the chelating agent. In the DLLME procedure, lead formed lead–dithizone complex and migrated into the carbon tetrachloride micro-droplets. Important factors that would...
This paper considers the pricing and quantity decisions of a two-echelon system consisting of one manufacturer and two retailers under their different competitive behavior-Cournot, Collusion and Stackelberg. The sensitivity of the retail quantity to the wholesale price of the manufacturer and the sale prices of the retailers is fully considered. A novel retailers' profit model is developed. Then a...
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