1) duration of pollution
污染历时
1.
This paper based on the series data of water quality in Weihe river and used the method of frequency curve to evaluate the duration of pollution of water quality in 1990～2000, and analyze the change of water quality in order to provide the scientific bases for the treatment of Weihe river.
利用渭河系列水质监测资料,采用频率曲线适线法来确定统计参数,并对渭河1990～2000年污染强度的污染历时及变化趋势进行评价,最后分析了渭河陕西段水质动态变化规律,为合理的治理渭河的污染提供科学的依据。
2) Load duration curve method
污染负荷历时曲线法
1.
Load duration curve method is firstly adopted for analyzing many hydrology stations of Gan river Basin since 2001 to 2004(select one of hydrology stations as an example)in this paper,gaining very valuable data which are relation to many pollutants of controlling monitored section total loading and assimilating capacity,providing scientific reliance for reducing pollutants.
国内首次利用污染负荷历时曲线法对赣江流域2001年~2004年多个水文站进行分析(选取其中一个水文站进行举例分析),获得非常有价值的多种污染物的控制断面总量与允许纳污量的关系数据,为实施削减污染物提供了科学依据。
3) pollution history
污染历史
1.
Trough the study of the vertical distribution characteristics of organochlorine pesticides in the sediment core,the pollution history of organochlorine pesticides in Quanzhou Bay was discussed.
通过研究有机氯农药在沉积物柱样中的垂直分布特征,探讨了有机氯农药在泉州湾的污染历史。
2.
The pollution history of Taihu Lake is studied based on the geochemical characteristics in Core MS sediments.
通过太湖MS沉积岩芯元素地球化学指标的分析 ,对太湖沉积物污染历史进行了系统的讨论。
3.
Finally,the pollution history of heavy metals in main sea area and adjacent river mouth was studied.
０６３ｍｍ）沉积物中Ｃｕ、Ｐｂ、Ｚｎ、Ｃｄ环境背景值，探讨了渤海重点海域和毗邻河口区重金属污染历史。
4) monentary pollution
瞬时污染
5) Heavy metal pollution history
重金属污染历史
6) pollution source real-time monitoring
污染源实时监测
补充资料：历时
（事情）经过时日：这一战役，～六十五天。
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