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The study on groundwater vulnerability is an effective technical measure for rational development and protection of groundwater resource. In the paper, according to the hydrogeology conditions of the Lincang Basin in Yunnan Province, USEPA's DRASTIC method was applied to evaluate the groundwater vulnerability of this area with the consideration of depth to the water table, Net recharge, aquifer material,...
An allowance policy that "trade-in" of the car has been implemented in China from 2009, which will bring 2.7 million scrapped cars this year, so auto reverse logistics is more and more important. This paper studied the cause and effect of auto reverse logistics, and raised the programs of auto reverse logistics in China by comparing the foreign operation, finally put forward implementation...
With the improvement of Chinapsilas market economic system and Chinapsilas accession to the WTO, the cemetery industry has been an unprecedented momentum of development. The cemetery industry is one important part of our national economy. In the past, the development of the cemetery industry lacks of proper guidance and effective control which result in a lot of series problems, such as a lot of land...
With the rapid development of economy as well as the rise of packaging industry in China, the polymer packaging products also increases gradually. However, most of these products are one-off products, which mean after being used for once, they are always thrown away. The waste will not only cause serious ldquowhite pollutionrdquo problem, but also leads to a huge waste of resources. This paper analyzed...
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