回灌是工程中的一种技术。用人工方法通过水井、砂石坑、古河道等，或利用钻井修建补水工程，让地下水自然下渗或将地表水注入地下含水层
水源热泵抽取和回灌地下水对建筑物沉降的影响-建筑结构 关键词］水源热泵；抽水；回灌；建筑物沉降 [gap=699]Keywords:ground water heat pump (GWHP); pump water; recharge; building settlement
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...热梯级利用； 回灌 [gap=1071]all; bridge-cutoff aluminum alloy; solar energy; geothermal cascade utilization; recharging ...
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A part of organic matter can be relieved through leachate recirculation, but ammonia can be cumulated. Organic matter load of leachate recirculation was heavy, there was no evidence effect body of landfills settlement.
淋率液回灌对有机物负荷有一定的去除作用，对垃圾体沉降没有明显影响。
参考来源 - 污泥和生活垃圾混合填埋及淋滤液回灌对填埋体稳定化影响In the early term of recirculation, removal effect can reach stabilization in short term, and the removal ratio of ammonia nitrogen stabilizes over 96%.
回灌初期，去除效果在很短的时间内达到稳定，去除率稳定在96％以上。
参考来源 - 垃圾填埋场渗滤液回灌处理的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
回灌试验表明随回灌时间的推移，回灌能力逐渐下降。
Geothermal reinjection experiments show that reinjection ability declines with time.
最后总结出适宜不同水源条件和不同类型区的回灌补源模式。
Finally, suitable ground water recharge mode for different water sources and zones were investigated.
过量开采、水位下降、河水回灌是导致诸环境地质问题的根本原因；
The reasons causing environmental geological problems are over exploitation, water level drop and river water recharge.
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