This paper studied the toxicity effect of Ni, Hg and PCP on ChironomusLarva.
本文研究了镍、汞和五氯酚对摇蚊幼虫的毒性作用。
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The effective removal of Chironomuslarva (red worm) from drinking water in conventional water treatment process has become one of the problems that puzzle the normal operation in water works.