Air pollution in Beijing reached a highlevel of 99 on the Air pollution Index on Friday as a sandstorm from the northwest shrouded the capital in dust, the China News Service reported.
据中国新闻社报道，北京市区13日遭遇了来自西北方的沙尘袭击，当天该市污染指数一度达到99。
2
The pharmacodynamic parameters indicated that the affinity index and action intensity of PL and TS were significantly reduced in solution containing highlevel insulin.
药效动力学参数表明，高胰岛素环境中酚妥拉明和妥拉苏林作用亲和力指数和作用强度明显减小。
3
The pulp level of flotation cell is a very important technological index in flotation process, on whose control there are high requirements.