Results showed that the types of iron sulphides formed under various temperatures were varied .

结果表明，不同环境温度下生成的硫化产物的类型不同。

Sulphides ; water ; chemical water pollutants ; absorption spectrophotometry .

吸收分光光度测定法;化学水污染物;水;硫化物。

Study on improving recovery of associated silver in ag-pb-zn sulphides .

提高银铅锌矿伴生银回收率的研究。

These bacteria naturally produce sulphides that are particularly aggressive for metallic materials due to their energetic metabolism .

这些细菌本身快速的新陈代谢会产生大量的硫化物，对金属材质造成影响。

Isa , which is based in jamaica , is meeting to discuss , among other things , unprecedented applications from china and russia to explore a more recently discovered mineral source , called polymetallic sulphides .

总部位于牙买加的国际海床管理局正在举行会议，议题包括商讨中国和俄罗斯前所未有的举动：申请开采最近才被发现的矿藏资源：多金属硫化矿。