Determinate titer of tuberculosis antibody with cy-tomembrane antigen .
以胞膜抗原测定结核抗体滴度探讨。
The time when the haag of bj-1was first detected after inoculation was 34 days , with serial passages , the infectivity titer of bj-1increased gradually and the multiplication cycle shortened gradu ally to2-3days .
The immunity program establishment and vicissitudes of the maternal antibody titer of pigs of the multi-efficacy combined bacterin of bordetella , pasteurella , actinobacillus and escherichia coli antigens for swine .
猪博德氏菌、巴氏杆菌、胸膜肺炎放线杆菌及大肠杆菌多价混合菌苗对小猪移行抗体之消长及免疫适期之建立。
And titer both came back negative .
和滴定试验结果都是阴性的。
Objective to improve the veracity of antibiotics titer evaluation by cylinder-plate method .