那两个电子既不算作给予体的,也不是接受体的.Both electrons don't count for the donor and neither for the recipient.我们通常把电子给予体看作生物体的 “ 食物 ”.Generally we think of the electron donor as being the " food " for the organism....
The results showed that Yb ( OSO 2 C 8 F 17 ) 3 and C 10 F 18 were the best catalyst and fluorous solvent respec - tively.研究表明Yb ( OSO2C8F17 ) 3和C10F18分别是最好的氟代催化剂和氟溶剂.The FBC ( fluorous biphase catalysis ) is a new nonaq...
目的探讨心电图QT离散 度(QTd)与存活心肌的关系.Objective To investigate the relationship between QT dispersion and myocardial viability.Bre. 则可消除IPC对心肌的保护作用.The IPC 、 PMA protected the myocardium from sustained ischemia - reperfusion injury...