According to the calculating principle of wind scale and earthquake magnitude, the concept of the magnitude of self-purification capacity of water environment of area was put forward.
根据地震等级和风力等级的计算原理，提出了区域水环境自净能力等级的概念。
Many minerals in nature have the self-purification capacity to hold and stabilize deleterious contaminant, which can be used to deal with heavy metal contaminants.
自然界中的许多矿物自身赋有容纳和稳定有害物质的自净化能力，可用于重金属类污染物的治理。
In this paper a study of the self-purification capacity of the sea area near Qingdao has been made by using a numerical model.
本文通过数值计算对青岛近海海域的自净能力进行了研究。
In this paper a study of the self-purification capacity of the sea area near Qingdao has been made by using a numerical model.
本文通过数值计算对青岛近海海域的自净能力进行了研究。
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