The current situation and regional differences of livestock and poultry waste in Zhejiang province were investigated and analyzed through random sampling, judgment sampling and department visiting.
通过随机抽样调查、判断抽样调查和部门单位走访，对浙江省畜禽养殖废弃物现状和区域差异进行了调查分析。
2
The focused points on guarantee the data quality of waste gas monitoring are presented based on the aspects of gas sampling and parameter detection.
从废气采样、相关参数测定、烟尘监测以及废气监测等方面，阐述了保证监测数据质量应注意的问题。
3
The monitoring methods of detecting waste gas pollution are introduced. The accurate analysis path of detecting dust by isokinetic sampling method is concluded based on the practical experiments.