因此，当铅和硫以适当的比例结合在一起时，它们便形成了一种叫铅硫化物的化合物。
Thus, when the elements lead and sulfur are combIned In the proper proportion, they form a compound called lead sulfide.
通过与硫氰酸盐光度法和钼酸铅重量法对比，证明了本方法简单、快速、准确，值得在厂矿企业大力推广。
Compared with Sulfocyanide Photometry and Lead Molybdate Weight method, this method is simple, rapid and accurate, and worth being spread in factories, mines and other enterprises.
金矿床的铅、氢、氧和硫同位素组成高度分散，表明成矿物质具有多来源性。
Scattered distribution of lead, hydrogen, oxygen and sulphur isotopes in the gold deposits is possibly indicative of diverse sources of ore_forming materials.
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