The dynamical characteristics of a cold wave in southeastern Asia during 3-8 January1983 were analysed with isentropic potential vorticity (IPV) charts.
The Preliminary Stydy on Effect of Adjuvant Adding in Sabin Strain Inactivated Polioviurs Vaccine(Sabin IPV) in Rats
在认*全球无脊髓灰质炎之前，必须控制实验室库存，并确保妥善管理灭活脊灰病毒疫苗(IPV)生产地点的野生病毒。
A strong cold wave entering Qinghai-Xizang Plateau during 8-10 January of 1983 is analys. Ed by the isentropic potential vorticity (IPV) maps.
Laboratory stocks must be contained and safe management of the wild virus in inactivated polio vaccine (IPV) manufacturing sites must be assured before the world can be certified polio-free.
