The REE distribution pattern of the Xihu lake is similar to that of andesite.西湖沉积物稀土分布模式与安山岩相似.Very limited information has been reported concerning andesite weathering.迄今对安山岩之风化过程研究资料之报导仍有限.The rock assemblages of the B...
The separation ofm - chloroaniline and p - chloroaniline was carried out by countercurrent dissociation extraction ( CDE ).逆流解离萃取通过套用萃取酸分离间氯苯 胺 及对氯苯胺.The war between the sexes should not result in their complete dissocia...