The ultimate measure for decreasing discharge amount and chroma of washing & bleaching effluent of pulping is to adopt newtechnologies in water conservation and pollution control.
降低制浆中段废水的排放量和色度的根本性措施是采用节水减污新技术。
Major threats to the species' survival include water pollution, dam construction, and wetlands loss, according to the International Union for Conservation of Nature.
根据国际自然和自然资源保护联盟的资料显示，对这个物种最大的威胁包括水污染，大坝建设和湿地面积缩小。
Urban domestic water conservation is vital for reducing water resources stress and water pollution loads in Pearl River Delta region.
城市生活节水对于降低珠江三角洲地区的水资源开发压力和水环境负荷有着特别的意义。
It urges water conservation on a global scale and asks rich states to set an example by repairing ageing water infrastructure and tackling pollution.
它力促在一全球规模上的水保育，而且要求富国修护老化的基础设施及处理污染以树立一个榜样。
Recycled water aquiculture system of covering membrane etange is the new aquiculture model of energy conservation and less pollution.
覆膜池塘循环水养殖体系是节能、无污染的新型养殖模式。
For water and soil conservation and water pollution control, it is very important to simulate and predict the yield of sediment and pollutant during storm-runoff.
流域泥沙与非点源污染负荷的模拟与预测是水土保持和水污染控制管理的重要基础。 暴雨产沙与产污量过程的计算是模拟预测的一个重要环节。
The utility model has the advantages of high efficiency, small volume, low cost and water conservation, and can greatly reduce the pollution of smoke dust.
本实用新型效率高，体积小，成本低，省水，能大大减少烟尘的污染。
Water and soil conservation and preventing and reducing air pollution;
水土保持与防止和降低空气污染；
Soil and water conservation measures are an important means to control nonpoint source pollution, protect water source quality and ensure drinking water security.
水土保持措施是防治非点源污染，保护水源水质，保障饮水安全的重要手段。
Soil and water conservation measures are an important means to control nonpoint source pollution, protect water source quality and ensure drinking water security.
水土保持措施是防治非点源污染，保护水源水质，保障饮水安全的重要手段。
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