biosystem from domesticated activated sludge could remove algae effectively after immobilization. with sponge and sawdust as carrier, the removal rate of algae could exceed 90% and 80% respectively.
the common step and announcements of segregation analysis biosystem compound were introduced.
介绍了目前分离分析生物体系化合物的一般步骤和注意事项。
agricultural pollution has a tridimension character of the complicated cycling system composed of water, soil, biosystem and atmosphere.
由于农业污染呈现水体、土地、生物、大气的大循环体的立体污染的特点。
protective production belongs to occluded biosystem in man-made control, and there are especial need and technology in production of pollution-free vegetables.
设施生产属人为控制下的封闭式生态系统,对无公害蔬菜的生产有其特殊的要求和技术。
pesticide wastewater, which was unbiodegradable toxic industrial wastewater with high concentration, enters the biosystem after pretreatment.
农药废水属高浓度、难降解有毒工业废水,需经过预处理后才能进入生化处理系统。
this article discussed some basic conceptions and approaches of systematic science under the background of statistical physics system, evolutional biosystem and economic system.