1) River pollution index
河流污染指数
2) river pollution
河流污染
1.
The river pollution dynamic simulation system based on GIS;
基于GIS技术的河流污染动态模拟系统
2.
Based on environmental monitoring data on the water quality of the rivers in the Yangtze River delta over past years,and combined with the experimental data and the filed investigation,the status quo of river pollution was briefly analyzed,and spatial distribution characteristics and temporal diversifi.
笔者根据长江三角洲地区河流水质历年监测资料 ,并结合实验室实测数据和实地考察 ,简要地分析了该地区主要河流水质现状 ,初步揭示了该地区河流污染的空间分布特征以及时间变化趋势 ,以期为该地区河流污染的综合治理以及环境保护的可持续发展提供科学的依
3) polluted river
污染河流
1.
Influence on shallow ground water by chromium in polluted river;
污染河流中Cr(Ⅵ)对浅层地下水的影响研究
2.
Laboratorial research on clarification of polluted river;
污染河流还清室内试验研究
3.
On the basis of reviewing some international experiences on the treatment for polluted rivers as well as analyzing the serious situation of river pollution in China,development of the treatment technologies for organic polluted rivers were introduced.
借鉴国外污染河流治理与修复的经验,并结合我国当前严重的河流污染形势,介绍了以有机污染为主的河流治理技术的研究进展。
4) pollution index
污染指数
1.
The application of rate change of pollution index in intigrative environmeutal quality assesment for city;
污染指数变化率在城市环境质量综合评价中的应用
2.
The results showed that single pollution index for all analyzed elements were less than 1 no matter what was crop or soil,which means crop and soil were not polluted.
结果表明,作物中各污染物单项污染指数均小于1,作物未受到污染;土壤综合污染指数小于0。
5) contamination index
污染指数
1.
The sequence of integrated contamination index is Cd>Pb>Cu>Ni>Zn>Cr.
通过对土壤和植物中重金属分析,结果表明土壤已受到Cu、Pb、Ni、Zn和Cd的重污染,Cr为安全级,其综合污染指数为Cd>Pb>Cu>Ni>Zn>Cr。
2.
The city ambient air quality is analyzed and evaluated from the following aspects: the contamination type,synthesis contamination index,class number of days,key pollutant number of days,monthly change,changes in heating period and non-heating period,and spatial distribution of pollutants.
从污染类型、综合污染指数、级别天数、首要污染物天数、月变化、采暖期和非采暖期变化、污染物空间分布几个方面对城市环境空气质量进行了分析和评价;并从气象、能源结构等方面对污染成因进行了分析。
3.
The order of integrated contamination index is Cd>Zn>Cu>Pb.
综合污染指数顺序为Cd>Zn>Cu>Pb。
补充资料:被污染的河流
被污染的河流
叱自 被污染的河流《自然生物之旅》
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条