METHODS: The separation of D-NNA and L-NNA in plasma was achieved by chiral ligand exchange method via CEC. An aqueous eluent containing aspartame (2 mmol/L) sufficiently mixed with Cu2+ was used.是什么意思_METHODS: The separation of D-NNA and L-NNA in plasma was achieved by chiral ligand exchange method via CEC. An aqueous eluent containing aspartame (2 mmol/L) sufficiently mixed with Cu2+ was used.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句