个体生物量在26龄前增长缓慢，26龄后增长速度较快；
The individual biomass developed slowly before 26 a, followed by intense increase.
相对于传统普通活性污泥法，膜生物反应器由于膜的截留作用，实现污泥龄和水力停留时间的彻底分离。
Relative to the traditional ordinary activated sludge method, the membrane bioreactor carry out separation of mud age and water stop time thoroughly by membrane interceptive role.
对幼虫的生物活性，均随虫龄的增加而下降，且集琦虫螨克的活性远比菜喜高。
The larvicidal activity of avermectin was significantly higher than that of spinosad, and both decreased with increase of the larval age.
应用推荐