Objective : To develop a HPLC method for determination cytidine diphosphate choline ( CDPC ) .目的: 用RP-HPLC 法测定胞二磷 胆碱 的含量.Low levels of choline in the body can give rise to high blood-pressure...体内胆碱水平过低会引起高血压。Clinical sy...
Bears are asocial, secretive animals ( David Graber )熊是不合群 、 孤僻的动物 ( 戴维格雷伯 )David is skinning onions in the kitchen.戴维在厨房里剥洋葱皮.It's your choice, Nina,' David said coolly.“这是你的选择,尼娜,”戴维冷淡地说。He nominated David Ro...