PPC Model and Its Application to Evaluation of Heavy Metal Pollution in Soil
By means of PPC model be applied to comprehensive evaluation of soil quality, RAG A is proposed to be made use of to optimize the projection direction, it can turn multi-dimension data into low dimension space, the value of projection function can be calculated by way of seeking the optimal projection direction, thereby, according to the value, comprehensive evaluation of soil quality can be calculated. The outcome from concrete application indicates that it is suitable to evaluate soil quality, can avoid the problem of calculating weight coefficient subjectively, and provides us with a new method and thought to comprehensive evaluation of soil quality.
PPC model evaluation heavy metal pollution
Hui qing LIU Han dong LIU Xian qi ZHANG
North China University of Water Resources and Electric Power, 450011 Zhengzhou, P. R. China
国际会议
成都
英文
74-77
2010-06-12（万方平台首次上网日期，不代表论文的发表时间）