的确，1999年对杰克逊的百年头发样本测试显示两种金属含量严重超标，确实能导致严重的健康隐患。
Indeed, a 1999 evaluation of Jackson's century-old hair samples revealed significantly elevated levels of both metals, which surely contributed to his severe health decline.
对低含量水质样品采用了碱金属氢氧化物共沉淀，简化了样品富集程序，提高了测试灵敏度。
The alkali hydroxide co-precipitation for low content water sample is employed to simplify the sample enrichment process and the monitoring sensitivity is improved.
对低含量水质样品采用了碱金属氢氧化物共沉淀，简化了样品富集程序，提高了测试灵敏度。
The alkali hydroxide co-precipitation for low content water sample is employed to simplify the sample enrichment process and the monitoring sensitivity is improved.
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