The road safety programme is having a demonstrable effect on road users.道路安全方案在道路使用者身上逐渐显现出明显的效果。Demonstrable antibodies are evoked in carriers after a few weeks of infection.在感染几星期之后,从带菌的物体中能证实存在抗体.No cavity is demonstr...
The O - crossagglutination can be elimina - ted , if H - antisera agglutinate with OH - antigen.用H - 抗血清与OH - 抗原的凝集反应,可以排除O-交叉凝集.Objective To purify the immunoglobulin from Ricefield eel , and to prepare the rabbit polyc...