严重的土壤侵蚀、酸雨和河道污染也在影响着千百万人的生活。
Serious soil erosion, acid rain and polluted waterways also affect the lives of millions.
上游未经处理排出的废污水，造成下游河道污染；
Downstream of the upstream water too much, cause water shortage, block;
初期雨水对河道的冲击污染已成为解决河道污染的主要难题之一。
The lash and pollution of initial rain in river course has become one of the key problems in the control of river course pollution.
由于上游河道污染严重，官厅水库于1997年退出北京市饮用水供水体系。
The Guanting Reservoir quit the drinkable water supply system of Beijing in 1997 due to the seriously pollution at its upper reaches.
对无锡地区进行入湖河道污染负荷量研究，确认污染现状与总量控制目标间存在差距。
The total pollutant load of rivers into the Lake in Wuxi area is researched and compared with the target of total load control of the Lake.
本文依据水环境容量计算结果，制定了河道污染物削减目标，并提出一些水质保障的措施。
On basis of the result on water environment capacity, the thesis also set up the target to reduce the pollution in the river and gave some proposals on water quality protection as well.
通过对中心河水质修复治理试点案例分析，制定了河道污染源控制的优化方案，并分析了该方案的工程经济效益。
The water restoration plan was optimized through analyzing the site restoration case. In addition, the project techno-economic effect was also analyzed.
超过3亿人口喝不上清洁的饮用水，同时该国一半以上的河道受到严重污染。
More than 300 million people lack access to clean drinking water, and more than half of the country's waterways are badly polluted.
污染物质的来源广泛，包括农业、工厂排放物、消费产品、城市河道和污水处理工厂。
The pollutants derive from a wealth of sources, including agriculture, factory discharges, consumer products, urban runoff and wastewater treatment plants.
近年来，发生了无数的由于工厂排污和倾倒垃圾造成的对于河道的污染事件，其中一些还对当地居民造成了健康损害。
In recent years there have been numerous examples of industrial spills or dumping that have damaged waterways and in some cases harmed residents.
它已知的栖息地只有佐治亚州和田纳西州的康纳索加河而已，可那里的农场和工厂长期的排污已经让河水遭受污染，淤泥堵塞河道。
Its only known habitat isthe Conasauga River in Georgia and Tennessee, whose waters have longbeen polluted and silted up by farms and factories.
尽管如此，诸如城市径流遭到污染以及污水外溢等问题仍然困扰着当地的河道。
However, problems like urban runoff and sewer overflows continue to trouble local waterways.
他们向河里倾倒垃圾而污染了河道。
另外，一位当地这方面的专家告诉晚报记者说，大量野生的芦苇会堵塞河道造成水源污染。
Moreover, a local expert told the newspaper that unharvested reeds may result in pollution by clogging-up the river.
树没以前的多，道路变得宽阔，然而河道却变得窄些了，我看到河中有一些死掉的鱼，河水是如此的脏，河流污染是如此的严重！
The trees were not that numerous the roads became bigger while there was less place for the river I saw some dead fish in the river the water was dirty the river pollution was so serious!
热污染——向河道里注入热而导致的污染。
Thermal pollution — pollution caused by the injection of heat into a watercourse.
这常常会在地面上留下一个个巨大的坑，有毒的矸子山和污染的河道。
This often results in huge holes in the ground, noxious spoil-heaps and polluted watercourses.
根据对其黑臭的背景分析，发现水体有机污染较严重，河道富营养化趋势较为明显。
Based on the analysis of the malodorous black water bodies' background, the serious organic pollution of rivers and obvious tendency to eutrophication were demonstrated.
采用一种类似氧化沟的反应器，其中利用蜂窝陶瓷为载体形成生物膜替代活性污泥，对城市受污染的河道水体进行缺氧生物修复。
Reactor like oxidation ditch was used for anaerobic bioremediation of urban river water, in which biofilm formed on ceramic honeycomb carrier was used instated of activated sludge.
根据河道曝气技术控制河流水环境污染的基本原理以及在国内外的应用进展，结合苏州河流污染的实际情况，分析了在苏州地区利用河道曝气技术的可能性、可行性。
The possibility and feasibility of river aeration technique in river pollution control in Suzhou area were analyzed according to the principle and the development of the technique at home and abroad.
城市面源污染已成为上海城区河道的主要污染源。
The urban non-point pollution has become main pollution resource of urban water bodies of Shanghai.
研究区域为珠江三角洲一条典型城市污染河道，采集了13个站位沉积物、上覆水、间隙水及底栖动物样品进行分析。
Samples of sediment, overlying water, pore water, and benthic invertebrate were collected at 13 stations along a typical municipal polluted river in the Pearl river Delta.
主要地质环境问题有斜坡灾害、河道、口门淤积，水土污染，构造稳定性和隐伏岩溶塌陷等。
The main geological environmental problems include slope disasters, siltation of river courses and mouths, contamination of water and soils, tectonic instability and hidden karst collapses.
生物填料具有不受河道水体透明度，悬浮杂质及不可预见污染负荷冲击等因子限制的特点。
Bio-filling has its characteristic of impregnable by water transparency, suspended materials and unpredictability pollution impact.
结果表明：河道水质在净化后，通过引水或充氧使河道保持一定的溶解氧，可有效抑制沉积物中有机物、氨氮等污染物的释放。
The result showed that, after the river water was purified, release of organic, ammonia etc can be inhabited by drawing fresh water or aeration to improve DO concentration in river.
由于污染物在水流中的扩散迁移过程受水温、局部流速与流向、河道形状等因素的影响。
The movement and diffusion process of pollutants in current of water are affected by water temperature, local flow velocity and direction, stream shape, and so on.
作为实例，对某市某主要河道的污染物进行了监测、分析和计算，确定了主要有害污染物。
As an example, the pollutants of a main river course of a certain city were assessed through monitoring, analyzing and calculation. Some hazard pollutants were determined.
树没以前的多，道路变得宽阔，然而河道却变得窄些了，我看到河中有一些死掉的鱼，河水是如此的脏，河流污染是如此的严重！
The trees were not that numerous, the roads became bigger, while there was less place for the river, I saw some dead fish in the river, the water was dirty, the river pollution was so serious!
在介绍上海河道水环境污染现状和分析其产生原因的基础上，提出了整治河道的主要措施。
Based on the current situation of Shanghai waterway environment pollution and the analysis of its generation reasons, main measures to the realignment of rivers were put forward.
在介绍上海河道水环境污染现状和分析其产生原因的基础上，提出了整治河道的主要措施。
Based on the current situation of Shanghai waterway environment pollution and the analysis of its generation reasons, main measures to the realignment of rivers were put forward.
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