MODULAR SWITCHES SHIFT MONARCH BUTTERFLY MIGRATORY FLIGHT BEHAVIOR AT THEIR MEXICAN OVERWINTERING SITES



Time evolution of groundwater quality in Dehui City

The unreasonable development and utilization of groundwater in Dehui City, China, has resulted in poor groundwater quality conditions.Based on the collection of a large amount of groundwater chemical data and hydrogeological data collected by Dehui Saddle Bags City from 1992 to 2015, this paper uses hydrogeological analysis, graphic and other metho

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