Based on the data of permanganate index of the Qijiang River monitored during the last 7 years,and applying the method of prediction of the grey system theory,a model of grey prediction of permanganate index of Qijiang River was designed,and its permanganate indexes of the years 2006,2007 and 2008 were found to be(5.3,) 5.4 and 5.4 respectively.
本文简要介绍了中山市在国家环保总局"十五"环境规划期间做为第一批工业污染源全面达标试点城市,环境监测部门发挥出的重要职能和作用.对工业污染源全面达标验收工作做了全面而客观的总结和评估,为日后开展此项工作的兄弟单位提供了有益的经验和启示.
The gray predication method was applied on the base of permanganate index of Qijiang river in zhongshan city. The gray predication model of permanganate index was designed. And the values of permanganate index in 2003, 2004 and 2005 year were 4.8, 4.7 and 5.3 through the prediction model.
采用连续流动分析技术对环境水样中的CODCr进行大批量快速测定,与国标法(重铬酸钾法)有可比性,分析结果具有良好的准确性和重现性,方法检出限1.3,对标准样品分析的准确度在98%以上,变异系数在0.21%~1.00%之间,实际水样的检测结果与重铬酸钾法的相对偏差为0.4%~1.4%,环境水样和工业废水的加标回收率为93%~101%.
Characteristics and bottleneck of ISO14000 implementing in enterprises are analyzed, and green marketing strategy is promoted for certified enterprises.