It is found that the flotation selectivity of galena against sphalerite is reduced by the use of recycled water.
结果表明，循环水的使用降低了浮铅的选择性。
We will accelerate the planning and building of sewer networks and garbage disposal facilities in urban areas and expand the use of recycled water.
加快城镇污水管网、垃圾处理设施的规划和建设，推广污水处理回用。
Advocates of recycled toilet paper point out that converting virgin pulp to toilet paper requires more water than recycled paper and makes use of the tons of already used paper that fills landfills.
再生厕纸的支持者指出用原生纸浆造纸的耗水量比用再生纸多，而且再生纸能利用垃圾场中填埋的成吨废纸。
All of the water in the building is recycled in a manner similar to that of how a tree would re-use water and nutrients.
大楼内所有的水都可以循环利用，这与树木重复利用水和营养物的方式相似。
On one hand, immediate and effective treasures must be taken to control the growth of population, protect water resources, forbid water'population and use recycled water.
一方面，应当采取迅速有效的措施来控制人口增长、保护水资源、禁止水污染和使用循环水。
Increase the recycled water systems, the promotion of urban regeneration, water reuse, water cycle supply and demand balance, and promote rational water resources, efficient use.
加大再生水系统的建设，推广城市再生水回用，平衡水循环供需关系，促进水资源的合理、有效利用。
Increase the recycled water systems, the promotion of urban regeneration, water reuse, water cycle supply and demand balance, and promote rational water resources, efficient use.
加大再生水系统的建设，推广城市再生水回用，平衡水循环供需关系，促进水资源的合理、有效利用。
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