The monitoring results of bottom quality showed that the (chemical) elements in sediment before and after explosion have no difference.
水质和沉积物监测表明，震前和震后无明显差异。
2
There are several key points including blank value, treatment ofsediment and comparison of three kinds of nitrogen when monitoring and analyzing total nitrogen.
阐述了在水质总氮的分析中，应注意空白值、沉淀物处理、与三氮比较等几个方面的问题。
3
Through the analysis, the proposals were made for the future study, monitoring and regulation of the high sediment concentration flow.