Three typos of modelpond ecosystems have been designed and used to assess ecological effects of insecticide based on ecosystem level.
报道了三种模型池塘生态系统即池塘微宇宙、池塘中宇宙和模型水陆生态系统的设计、组建与应用研究结果。
2
Conveyer and service pipes and regulating pond of the system was analyzed through unsteady mathematic model.
用非恒定流数学模型对系统的输水管道、配水管道、调节池进行分析。
3
The model of seawater solar pond was build up, and the basic heat balance model, double-diffusive process model and turbulent entrainment model were analyzed.