The present study established an improved correction method for using a PAS to assess the distribution of PCNs in the eastern Pearl River Delta (PRD), South China.
本研究建立了一种改进的校正方法，利用被动空气采样器评估在中国南方珠江三角洲东部的聚氯化萘的分布。
2
Soil age and the distribution of buried ancient paddy at Chuodun site in Yangtze River Delta were determined using 14C dating and other archeological methods.
方法以绰墩遗址埋藏的古稻田土壤为研究对象，根据14C和考古学方法确定了土壤成土年龄和分布；
3
The estuarine sediment distribution is closely related to the estuarine topography and submerged delta.