Since the foreign exchange reform on July 21^st 2005, the flexibility of RMB exchange rate has becoming big, so has the foreign exchange risk. How to effectively manage foreign exchange risk has become an emergent tas...Since the foreign exchange reform on July 21^st 2005, the flexibility of RMB exchange rate has becoming big, so has the foreign exchange risk. How to effectively manage foreign exchange risk has become an emergent task to enterprises. This paper introduces the method of foreign exchange forecast which is the base of foreign exchange risk management, and then deeply discusses different measures of managing the risk.展开更多
An equation to express ion exchange selectivity coefficient was derived and used for cal- culating that of PPY film with the results obtained by cyclic voltamrnetric measurement.PPY film was synthesized by electrochem...An equation to express ion exchange selectivity coefficient was derived and used for cal- culating that of PPY film with the results obtained by cyclic voltamrnetric measurement.PPY film was synthesized by electrochemical method in aqueous solution using K_4Fc(CN)_6 as supporting electrolyte, and the anions were doped into the film.Ion exchange behaviour of doped Fe(CN)_6^(3-/4-)in the PPY film with Cl^-,NO_3^- or F^- ions in solution has been studied,and the corresponding ion exchange selec- tivity coefficients were determined.展开更多
文摘Since the foreign exchange reform on July 21^st 2005, the flexibility of RMB exchange rate has becoming big, so has the foreign exchange risk. How to effectively manage foreign exchange risk has become an emergent task to enterprises. This paper introduces the method of foreign exchange forecast which is the base of foreign exchange risk management, and then deeply discusses different measures of managing the risk.
基金This work was financially supported by the National Natural Science Foundation of China.
文摘An equation to express ion exchange selectivity coefficient was derived and used for cal- culating that of PPY film with the results obtained by cyclic voltamrnetric measurement.PPY film was synthesized by electrochemical method in aqueous solution using K_4Fc(CN)_6 as supporting electrolyte, and the anions were doped into the film.Ion exchange behaviour of doped Fe(CN)_6^(3-/4-)in the PPY film with Cl^-,NO_3^- or F^- ions in solution has been studied,and the corresponding ion exchange selec- tivity coefficients were determined.