Hemaglutinin(HA) is an important absorbent protein and effectiv protective antigen of AIV.It not only mediates AIV to adsorb and penetrate cells,but also makes the host produce immunity against AIV.

血凝素蛋白(HA)既重要吸附蛋白,介导禽流感病毒吸附和穿入宿主细胞而发挥致病作用,也良好的保护性抗原,对宿主抵抗禽流感起到了决定性保护作用。

An intelligent clothes rack is developed with a block installed on the end of each knighthead,around which steel wire is enwind and connected to a DC motor and the clothes rail.

智能的机械部分在普通拉杆式两支撑杆的端部各安装个滑轮,再穿入钢丝绳。