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词汇 leachate
释义 leachate
noun[ U or C ]
 environment specializeduk /ˈliːtʃ.eɪt/ us /ˈliːtʃ.eɪt/
liquid that takes in substances from the material through which it passes, often making the liquid harmful or poisonous: 沥出液,渗滤物
Residents worry that leachate from the landfill may eventually contaminate their water source.居民们担心垃圾填埋场的渗滤液最终会污染他们的水源。
High levels of toxic leachates have been detected in ground water.在地下水中检测到高水平的有毒渗滤液。
Leachate is steadily seeping from the landfills into the waterways.
Arsenic, lead, mercury, and cadmium are four of the many minerals that come from the shale leachate.
Toxic leachates still enter the river from the site of the old mine.
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Environmental issues

Examples of leachate


leachate
Leachate, a liquid produced by precipitation coming in contact with waste and infiltrating through landfills, seeps through the sides and bottoms of the landfill.
The first leach, with 44 ml of distilled water, produced no leachate from any column, while the second of 207 ml produced leachate volumes of only c. 150 ml.
Leachate volumes collected were always only a few ml less than the volumes of distilled water added, indicating that columns remained close to field capacity and experienced little evaporative loss.
A major element of our own system is consideration of any potential danger to groundwater from leachate.
From the
Hansard archive

Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0
In addition, operators have to take monitoring, maintenance and remedial measures: for example, they are obliged to collect or treat contaminated water or leachate.
From Europarl Parallel Corpus - English
The inside of the landfill has to be lined to avoid any leakage of leachate and of the landfill gas.
All buried material has undergone standard leachate testing to ensure that the contaminants are not mobile.
Each leaching column was placed above a second beaker which collected leachate.
A leachate and gas collection system needs to be installed.
Thus, the leachate was probably under-saturated with respect to calcite.
The collection pipes are at a gradient such that all leachate is collected in a storage tank.
Perforated pipes at the bottom of the pile serve for collection of leachate and for aeration.
Due to the greenhouse cover of the pile, leachate amounts are low, so that the presence of leachate will not impede air flow.
The loss of cell membrane integrity is the primary cause of an increase in leachate conductivity.
There have been similar observations on the differences in leachate conductivity of germinating and non-viable seeds of several other species.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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