We reduce the purchase cost of customers by commercial etools, and remain uninterrupted supply. Staffs have innovation spirit,always show con sideration for customers, and are rust.
During the period when stor-age de velops towards networking,the factors of the scale,maturity and comparatively low cost of Eth-ernet must be taken into con sideration.
In this paper,crosslinking Poly Vinylpyrrolidone(PV PP) wassynthesized.Treatment of oolong tea beverage with PVPP and treating con ditions were investigated.