According to Liu, the population controls have kept sulphur dioxide emissions down by 17.6% and the main source of water pollution by 30.8%.
刘少杰称，人口控制已经将二氧化硫的排放量降低了17.6%，水污染的主要来源减少了30.8%。
With this method, an optimal search plan can be obtained to maximize the probability of detecting the source of water pollution within finite time.
该方法可以在搜索资源有限的条件下优化监测资源的分配方案，使成功探测到事故性污染源的概率最大。
The livestock sector is probably the largest source of water pollution, contributing to eutrophication, 'dead' zones in coastal areas and degradation of coral reefs.
畜牧业很可能是水污染的最大来源，造成富营养化、沿海地区出现“死区”和珊瑚礁退化。
Household pets, particularly the legions of dogs taken for walks every day, collectively are a significant source of water pollution, experts say, and even a threat to human health.
家中养的宠物，尤其是每天被拉出去遛弯的成群的宠物狗，总的来说他们是水污染的一个重要来源，专家们指出，甚至威胁到人类健康。
The Liujiang River, which is the main source of drinking and industrial water use of the city, suffered from pollution from untreated sewage and rainwater flows.
作为柳州市工业和居民生活用水主要水源的柳江则受到部分未经处理的污水和雨水排放污染。
Wind is a clean source of renewable energy that produces no air or water pollution.
风是一种清洁的可再生能源，不产生空气和水污染。
Designing a treatment wetland must be specific to the water quality target and the pollution source of the water.
处理湿地的设计必须建立在水质目标和水中污染物来源的基础之上。
Heavy metal pollution, including lead, zinc, and cooper may be caused by corrosion of the very pipes that carry water from its source to the consumer.
重金属污染，包括铅、锌和铜的污染可能正是由于把水从水源输送到用户的管道本身的腐蚀而引起的。
Soil phosphorus as agricultural non-point source pollution is one of the main factors which lead to water pollution.
土壤磷素的农业非点源污染是导致水体污染的最主要的原因之一。
There is no water pollution, is a clean source of energy.
水能没有污染，是一种干净的能源。
The water quality of Miyun reservoir is at medium-eutrophication situation, which is mainly caused by the non-point source pollution (NPS) in the watershed.
目前水质处于中等富营养化程度，非点源是主要污染来源，土地利用则是影响非点源的主要因素。
The important reason of causing our country source of water supplying insufficient and national water environment pollution in some area is low water efficiency and large sewage emission.
造成我国部分地区水源供给不足和全国水环境普遍污染的重要原因是用水效率低和污水排放量大。
The source and quality of the waste water in dimethylaminobenzoic acid production are analysed, and the countermeasures are proposed for pollution prevention and control.
对间二甲胺基苯甲酸生产中废水来源及废水水质进行了分析，并提出了废水污染防治措施。
The load composition of water pollution has been changed obviously with the effectively control on point source pollution in recent years.
随着对水体点源污染的有效控制，水体负荷结构发生了明显的变化。
Problems of water source, flood disaster, and water pollution are the three hydrological responses in urbanization process, also are the main issues in water environment management.
水源问题、洪水问题、污水问题是城市化过程中的三大水文响应，也是城市水环境管理研究的重要课题。
The treatment measure including pollution source control and pollutant reduction was put forward for the sake of water quality improvement.
针对水库污染严重的现状，提出了控制污染源、削减污染物的综合治理措施。
With the fast development of industry, the pollution of source of drinking water turns worse and worse, and the quantities and varieties of pollutant gets more and more.
随着工业化进程的加快，对环境中饮用水源污染也越来越严重，水源中内含的污染物种类和数量都随之增加。
Place of storage shall be clean, hygienic, high temperature and water-proof and far away from source of pollution.
贮存场所应清洁卫生，防高温，防风雨，远离污染源。
In developed countries, point source pollution has been efficiently controlled and urban non-point source pollution caused by rainfall has become the main causation of water pollution.
在发达国家，点源污染基本得到有效控制，城市面源污染成为水体污染的主要因素。
With the effective control of point source pollution, non-point source pollution becomes the main factor of water pollution.
随着点源污染的有效管理和控制，非点源污染已成为水环境污染的主要原因。
The article analyzes the operation status of water pollution source online monitoring system at present in China, points out that it is necessary to push the third party to operate and manage.
文章分析了目前我国水污染源在线监测系统的运营现状，指出推行第三方运营管理是十分必要的。
Major causes for pollution from daily operation of oil depots are analyzed. Pollution source includes evaporation and leak of oils and discharge of contaminated water.
介绍了石油库在日常作业过程中对环境带来污染的主要原因，污染源为油品蒸发、油品泄漏和油库污水。
The nonpoint source pollution, which has played an important role on surface water pollution has been given much attention because of the effective controlling of the point source pollution.
在点源污染逐步得到有效控制的今天，面源，这一对地表水体水质有严重影响的污染源在发达国家已经引起了极大的关注。
The most ambitious water quality provision of the 1987 Amendments relates to non-point source pollution, that is, run-off from agricultural and urban areas.
1987年的修正案中，最理想的水质规定涉及到特定污染源的污染，也就是说来自农业和都市区雨水的污染。
The surface pollution control of city water source is the key to ensuring safety of drinking water.
城市饮用水源地面源污染的控制是确保饮水安全的关键环节。
Identifying the species of mineral oil in water and measuring its concentration are needed to determine the contamination oil source and evaluating pollution fast and correctly.
快速准确地测定水中矿物油的种类及含量，正确判断油污染的性质和来源，对于实施水环境监测管理及污染防治具有重要意义。
Therefore, it is meaningful to carry out empirical studies on the risk management theory and assessment method in terms of the accidental pollution events in source water area.
因此，从水源地安全的角度出发，针对水源地突发性污染事件进行风险评价理论及方法的实证研究，具有一定的现实意义。
Therefore, it is meaningful to carry out empirical studies on the risk management theory and assessment method in terms of the accidental pollution events in source water area.
因此，从水源地安全的角度出发，针对水源地突发性污染事件进行风险评价理论及方法的实证研究，具有一定的现实意义。
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