Methods: The cell line transfected with E 1 A gene was treated by Epirubicin, Taxotere and 5 - fluorouracil respectively.方法通过PEI -Fe3O4 纳米粒介导将E1A基因导入 人乳腺癌细胞系MCF-7,经G418筛选获得稳定表达E1A的转染细胞(MCF-7-E1A )....
We used to graze on the fields where the com is now.过去我们经常在现在种着粮食的田里放牧.An expanse of land suitable for livestock to wander and graze on.可以饲养牲畜的宽广开阔的地区.Nothing serious. Just a graze.没关系, 就破了一点皮.With their fleece sopping w...
使用循环器做温控是一种古老而有名的方法.Using circulators for temperature control is a well established method.空气再循环器吹得白橡木丛的叶子沙沙作响.Air re - circulators made the leaves of the small grove of white oaks rustle.路面旧沥青清楚机械 、 土壤稳定剂 、 冷循环器 、 热循环器 ...