According to the principle of the mass balance and constant volume sampling, a full-flow dilution tunnel particle sampling system was designed and adjusted.
本课题按照定容取样方法和质量平衡原理,自行设计、制造、调试了中国首套全流稀释风道颗粒物测试系统。
The Gumbel logistic model is used to describe the dependent structure between the flood peak and flood volume and a bivariate joint distribution of peak-volume using PDS sample approach is developed.
采用Gumbel逻辑模型建立基于超定量取样的两变量联合分布,利用所建立的联合分布,给出了条件频率和两种两变量重现期的计算方法。
