In east Asia, acidic gases derived from fossil fuel combustion have increased in the pastdecades. On the other hand, the......

据日本《海外速报》Ｎｏ .5 6 3报道 ,美国涤纶生产企业Ｋｏｓａ完成了在Ｓａｌｉｓｂｕｒｙ/ＮＣ的工厂进行的产业用长丝的设备更新。投资 80 0 0万美元的这项投资是......

In order to study climatology of yellow sand (Asian sand, Asian dust or Kosa) in EastAsia, secular fluctuation in China,......