It was a novel idea to control the growth of Microcystis actinomycete.利用放线菌的代谢产物特异性抑制或杀死微囊藻是一条治理水华的新思路.The mechanism of flocculation and removal of Microcystis aeruginosa by chitosan - modified clays was studied.文章探讨了壳聚糖...
他变成了那种贫民区里常见的醉鬼。He became a skid row type of drunkard.19世纪为贫民建造的连排式房屋back-to-backs built for the poor in the 19th century有太多的贫民生活在十分拥挤的条件下。Too many poor people are living in overcrowded conditions ....