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The nitrogen pollution analysis of Changchun groundwater

SUN Meng,et al.(College of Environmental Engineering,Jilin University, Changchun 130026,China)  
From the nitrogen pollution of Changhun groundwater analysis,the discovery showed the main nitrogen pollutant in the groundwater is nitrate.The paper discussed the humanity to mine the groundwater and to discharge the environment matter the influence which the nitrogen gathered to the groundwater.The urban district nitrate nitrogen pollution intensity is bigger than the humanity to move a weaker area by far.The NO3-density and degree of hardness change indicated that the nitrogen pollution and degree of hardness and so on refer to the list price to elevate has the certain relation,but in the different hydrology geochemistry environment,in aspect and so on migration and transformation also has from already the characteristic.
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