蓟运河

通过对不同时段和不同监测点环境监测数据的对比分析，研究蓟运河干流地表水质的时空变化特征。

The reasons inducing the temporal and spatial change of surface water quality in Jiyun river are following : the land use change , such as increase of agricul .

在蓟运河河口生态系统中，水生生物对汞、DDT、六六六均有很强的积累能力，体内积累量大体上有沿生物营养等级而增高的趋势，尤以汞最为明显。

Mercury , DDT and BHC accumulate strongly in aquatic organisms and bear a direct ratio to the trophic level and mercury is more than the other two .

蓟运河汞污染化学地理特征

Characteristics of mercury-polluted chemical geography of Ji Yun River

蓟运河汉沽地区河泥中汞的微生物甲基化作用

Microbial methylation of mercury in the Ji Yun River

蓟运河玉田段应急治理二期工程超概算的原因分析

Yutian Ji Yunhe of emergency management of the second phase project of super-budget analysis

蓟运河防潮闸基础加固高压喷射试验施工

Testing Construction of High Pressure Jet Grouting for Reinforcing Ebb Gate Foundation of Ji Canal

利用一维对流-扩散方程建立蓟运河的一维水质模型，并通过流量与水动力模型耦合。

Establishing a water quality model based on convection-diffusion equation and coupled with hydrodynamic model by flow .

对受汞污染的蓟运河下游河段的抗汞细菌进行了系统的调查。

A systematical survey of mercury resistant bacteria in downstream of Jiy-un River polluted by mercury has been carried out .

根据蓟运河水体中腐殖酸的含量，可以认为，腐殖酸汞是该河中汞的主要存在形态，并且大部分以可溶态存在于表层水及间隙水。

It was thought from the results obtained that the complex of humic acid with Hg is the main species of mercury in the river and the interstitial water .

由参数设置对调控方案进行分析，提出了提高生态用水比例、控制经济增长速度、提高用水效率和积极进行生态建设对策，为实现蓟运河流域的三生用水系统可持续发展服务。

Through analysis , the paper has put forward the strategies including increasing ratio of ecological water use , limiting the increasing speed of GDP per person , raising efficiency of water use , and accelerating ecological construction .

由于近年来持续干旱少雨，上游基本无下泄流量进入，加之沿河未经处理的国有、城镇生活污水的排入以及蓟运河闸年久失修海水倒灌多年污染河床，致使蓟运河水质咸化和恶化。

Owning to continued drought in recent years , there is almost no upstream flow discharging . And untreated state-owned and urban waste water were discharged combined with river bed contaminated for years because of seawater flow backward caused by disrepair gates , which lead to water salinization and deterioration .