离子交换器离子交换器有复床和混床之分.Ion exchange equipment has the duplicate bed andmixed bed.图二到图六显示交换器的基本操作.Figures through show the basic operations of a switch.确认交换器完全组装好, 并经过测试与排水.Verify exchanger is completely assembled, tested, an...
Objective: Express major epitope domain of NS 1 of PPV in E.目的: 用大肠杆菌表达猪细小病毒NS1基因的主要抗原表位区.Objective : To analyze the efficiency of delivery for CD 8 + T cell epitope by attenuated E.目的:分 析体外、体内重组减毒大肠杆菌运送真核表达的CD8+T细胞表位的效应...