The paper deals with the ore-forming material sources on basis of study on S, Pb, H, O, C and rare gas isotopic composition, fluid inclusion and comparative analysis.

通过对峪耳崖金矿硫、铅、氢、氧、碳、 稀有气体同位素、 包裹体研究以及与区域对比分析，对金、银成矿物质来源进行探讨。

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The contents of ti in magnetite and s in ore are low, with a very small amount of Pb-Zn sulfide minerals.

磁铁矿中钛含量低，矿石中硫含量低，罕见铅锌硫化物矿物。

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The magazine noted that Ryan's PB is behind Sarah Palin, the Republican nominee for vice-president in 2008, who has run 3:59 .

BBC: Paul Ryan marathon claim: Would you fib about your PB?

Yes that's right, the base metal element lead, Pb, or more exactly the lead-based chemical compound Pb(CH2CH3)4 added to petrol to make car engines run more smoothly.

BBC: Does lead poisoning make you violent?