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渔业环境重金属污染
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渔业环境重金属污染
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渔业环境重金属污染
释
heavy metal contamination of fisheries environment
渔业环境重金属污染
重金属及其化合物在渔业环境中超过允许标准,对渔业生态环境和渔业生物造成急性中毒或慢性影响的现象。重金属指比重大于5的金属(一般指密度大于4.5克/厘米3的金属)。
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quasi-left continuous
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quasilinear differential equation
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quasilinear elliptic equation
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quasilinear hyperbolic equation
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quasilinear parabolic equation
quasilinear partial differential equation
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quasi living carbocationic polymerization
quasi-living carbocationic polymerization
quasi-local
quasi-local observable
quasi-local ring
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