It also discussed the diameter selection and flow distribution of the parallel conduits concerned in solving the model, and derived a formula for the distance between link pipes.
对模型求解中涉及到的并联输水管管径的选定和流量分配问题作了探讨，推导了连接管设置间距计算式。
The biomass of larch plantation of different site conditions and forest ages could be estimated by incorporating the individual tree biomass model and diameter distribution prediction model.
结合单木生物量模型和林分直径分布预估模型可以对不同立地、不同林龄下落叶松林分各组分的生物量进行预测。
The pressure distribution in hollow fiber membrane model is given and the effects of membrane permeability, length and diameter on pressure distribution and flux factor of the model are studied.
研究了中空纤维膜组件在反冲操作时膜管内压降规律，考察了膜渗透系数、膜长度及膜内径对膜内压力分布及透量因子的影响。
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