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銆€銆€Heavy metals are persistent; they do not break down to other chemicals in the environment. Industrially polluted sites usually undergo intensive clean-up and rehabilitation because heavy metals are a health concern once they enter the food chain. Some trace metals are alleged to cause cancer and are also known to cause poisoning.
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銆€銆€A.The Nature of Heavy Metals
銆€銆€B.Potential Hazards of Human Contaminated Soils
銆€銆€C.Heavy Metals and Food Chain
銆€銆€D.Research on Channels of Heavy Metals Getting into Human Food Chain
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