取对数 meaning in Chinese

math.log

That is , the equilibrium distribution function takes the form of logarithm in order to insure the equilibrium distribution function being the positive number , which can improve the stability of lbgk method
即对平衡分布函数取对数，以保证平衡分布函数恒为正数，来改善lbgk方法的稳定性。
2 . the plasimd encoding human carcinoembryonic antigen was transfected with lipofectine into human dcs and human tumor cells such as mgc803 , ls174t and eel09 . the culture supernatants were collected for assaying carcinoembryonic antigen by . 3
1640培养液中，在37ac ， 5 co ，的培养箱内培养， ’每3心传代一次，取对数生长期的细胞进行实验。
To study the suitable method for cattle oviduct simple epithelium cells culture , the epithelium cells were isolated by cutting and 0 . 25 % trypsinization , the exponential phase of growth cells vigor and growth velocity was determined by mtt method , the viable count was detected by the rejection experiment of trypanblau
摘要为探讨适用于黄牛输卵管单层上皮细胞的培养方法，采用机械剪取及0 . 25 %胰酶消化的方法分离获得上皮细胞，取对数生长期细胞进行mtt比色实验检测细胞活力和生长速度；台盼蓝排斥试验检测活细胞数。