1.to clear (land) of water by the use of ditches and pipes.There are plans to drain the marsh.vaciar,drenar 2.(of water) to run away.The water drained away/off into the ditch.escurrirse 3.to pour off the wateretcfrom or allow the wateretcto run off from.Would you drain the ve...
Ground water cleaning procedure uses drainage column containing filtration system through which water is passed in closed circuitThe procedure consists of using a drainage column (1) extending from the ground surface (2) to a point below the level of the ground water (4) surface, passing the ...
1. to clear (land) of water by the use of ditches and pipes. There are plans to drain the marsh.vaciar, drenar 2. (of water) to run away. The water drained away/off into the ditch.escurrirse 3. to pour off the water etc from or allow the water etc to run off from. Would ...
6) water flowage 放水量 1. Cooperating this procedure,the weak areas of coal floor were detected by geophysics,the optimum discharge sites were determined through mechanical analysis,the suitablewater flowageand discharge operation were obtained according to given time and pumping capacity. ...
With budget and time constraints in environmental permitting, the collection of baseline water quality data relies on rapid environmental assessments (REAs). In south Texas, we investigated the usefulness of including physicochemical parameters and freshwater benthic macroinvertebrate and fish assemblage data...
A finite-element groundwater flow model was developed for the expanding Dareh-Zar open pit mine in southern Iran, to simulate groundwater inflow into the excavation and mine wall pore pressure dynamics. The model was used to test the effectiveness of implementing different drainage management strate...
A QA/QC analytical procedure was followed for sampling and analytical reproducibility, which included preparing blanks and duplicates using spiked samples and certified international reference material (high purity standards QCS-26-100 for ICP-OES analysis), ultrapure deionized water, and analytical-grade...
The amorphous metal hydroxide sludge produced was leached using deionized water, U.S. EPA methods (toxicity characteristic leaching procedure, synthetic precipitation leaching procedure), and the new strong acid leach test (SALT), which leaches the sludge with a series of sulfuric acid extractant ...
半被动硫酸盐还原生物反应器的酸性矿井废水处理性能及残余物环境行为预测 Abstract The performance of a semi-passive sulfate-reducing bioreactor (SPSRB) was studied for the treatment of highly contaminated AMD (pH = 4.2, [Fe]i: 1600 to 6400 mg/L). The potential mobility of contaminants (metal...
thick is another procedure that has been used to reduce the depth of ballast. About 5% of lime by weight is blended into the upper 8 in. of a compacted subgrade by disking and blading. Water to the optimum content is added and the mixture is rolled. After setting, the process is ...