They range from protection of the environment and global warming to fair pricing of water services and equitable distribution of water for irrigation, industry and household use.
它们涉及的领域从环境保护、全球变暖到水服务的公平定价以及灌溉、工业和家庭用水的公平分配。
For example higher fertiliser use raises water productivity but adds pollution to the environment.
例如，增加化肥使用量会提高水分生产力，但会对环境造成污染。
The product can directly use, also can first soluble in water, match into solution type admixtures use, it is applicable for various construction environment or mixing machine requirements.
产品既可以直接使用，亦可以先溶解于水，配成溶液型外加剂使用，适用各种施工环境或搅拌机型的要求。
Water is the indispensably precious resource that mankind depend on for existence, it is the important component of the natural environment, and its use will influence the socioeconomic security.
水资源是人类赖以生存的不可缺少的宝贵资源，又是自然环境的重要组成部分，它的利用会影响到社会经济安全。
Multi-stage centrifugal pump is mainly used for high head applications environment, use deep, high-rise residential water supply, fire water supply.
多级离心泵主要用于高扬程的应用环境，应用于深井、高层住宅的供水、消防供水等。
For instance, if humans need to live in a very dry environment they can use technology to locate and drill for water, or build pipelines to bring in water from outside.
例如，如果人类需要住在十分干燥的环境中，他们就会利用技术定位并钻探取水，或建设管道从外边引水。
Miyun Reservoir plays an important role in supplying water for industrial and household use in Beijing. How to control soil erosion and improve ecological environment become urgent.
密云水库是北京城区的重要饮用水源地，如何治理集水区内的水土流失，改善集水区生态环境非常重要。
As showed by the equation, the water level is directly determined by the mining amount. It will provide a scientific basis for improving geological environment and rational use of brine resources.
通过分析说明开采对水位的影响，为改善区内地质环境，合理利用卤水资源提供了科学依据。
The sterilizing unit has simple structure, can be directly placed in water environment for use, and has the advantage of completely treating blue algae.
本发明结构简 单，直接置于水环境中使用，具有处理蓝藻彻底的优点。
To meet with environment protection and convenience for use, we developed a series of metal complex liquid type, which are water base and solvent base liquid, dyestuff content is 16%.
同时针对环保的要求，成功研制开发出含量为16%的水油两用液体染料，方便用户使用。
To meet with environment protection and convenience for use, we developed a series of metal complex liquid type, which are water base and solvent base liquid, dyestuff content is 16%.
同时针对环保的要求，成功研制开发出含量为16%的水油两用液体染料，方便用户使用。
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