According to the principle of the mass balance and constant volume sampling, a full-flow dilutiontunnel 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。
2
The authors measured the mass concentration and chemical components of the particulates exhausted from a S195 diesel engine by using dilutiontunnel and thermogravimetric analyzer.