ultracentrifuges造句

• One of the branches of nymu instrumentation center is located in the same building; ultracentrifuges, scintillation counters, and a phosphoimager are free to use
  ，可供一般生化分子及细胞生物实验所需。此外，大楼内有阳明大学仪器中心的
• The virus was purified by ultracentrifuge . according to the ns gene sequence published by genbank, one primer t-1 was designed to amplify the cdna by reverse transcript . the other primers nsl-u / ns1-1 and ns2-u / ns2-1 . hns2-u were designed to amplify the ns1, ns2 and hns2 gene
  本实验用接种鸡胚的病毒增殖方法获得了a/chicken/mudanjiang/0823/00(h9n2)分离株的大量增殖，增殖病毒经差速离心进行纯化，经超迷离心浓缩。