In their report, published today in the Journal of Experimental Biology, the researchers warn that noise pollution-as well as chemical pollution-could deafen whales.
The various unreasonable farming activities in Northern China plain caused tri-dimension pollution to water, soil, biology and air.
概述了华北平原区由于各种不合理的农事活动，对水体-土壤-生物-大气所造成的立体交叉污染的现状。
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We discuss water quality of water body with biologic index in biology monitoring of water quality, and make objective evaluation to organic pollution of water body.