pyrites

We utilized the change of concentration ratio between pyrites and rocks to survey gold deposits.

所以通过金在黄铁矿及岩石中浓度比值的变化,能有效地指导勘查金矿床.

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Iron ores and concentrates, including roasted iron pyrites.

铁矿砂及其精矿，包括焙烧黄铁矿。

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The work has researched in adsorption and desorption of iodine and technetium on brass ore, lead glance, rare-earth hematite, antimony glance, molybdenite and iron pyrites and so on.

本工作研究了黄铜矿，方铅矿、稀土赤铁矿，辉锑矿，辉钼矿，黄铁矿等六种矿物对碘和锝的吸附和解吸。

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The thermoelectromotive force ratio of 8 pyrites from different producing areas was measured. The authors studied the flotability of the 8 pyrites in weak acid and alkaline mediums using froth-free flotation process.

本文测定了不同产地的8种黄铁矿的温差电动势率，采用无沫浮选法研究了这8种黄铁矿在弱酸性和碱性介质中的可浮性。

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Its gold content is closely related to pyrites and arsenopyrite.

矿石中的金以不可见金为主,含量与黄铁矿、毒砂关系密切.

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Pyrites often contain several nonferrous metal and noble metal elementS and be possessed of comprehensive utilization.

黄铁矿常含有多种有色金属和贵金属元素,具有综合利用价值.

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The Eskimos produced a slow-burning spark by striking quartz against iron pyrites.

爱斯基摩人利用硫化铁矿石击打石英获得缓慢燃烧的火花.

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Process Selection and Industrial Practice of 2+ 2 Double Absorption Technology for Sulphuric Acid Manufacture from Pyrites

硫铁矿制酸2+2两次转化工艺过程的选择及工业实践

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The Effect of Ash and Iron Pyrites on NO and SO_2 of Coal Combustion

灰分和黄铁矿对燃煤NO和SO2生成的影响

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This paper, based on a iron pyrites monitor acid mine drainage and heavy metals pollution example in waste rock site, introduces present conditions of acid mine drainage pollution in waster.

本文以某黄铁矿废石场酸性废水重金属污染监测为例，介绍了废石场酸性废水污染现状，探讨了硫化矿物氧化机理、酸性废水重金属迁移转化规律和时空分布规律。

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an experimental research of nickelic waste water clarifier made of pyrites from coal measures

用煤系硫铁矿制备含镍废水净化剂的实验研究

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The experiment of pure mineral indicates that combined depressor DS+ YD can be used to depress iron pyrites under the alkaline condition but cannot depress galena.

纯矿物试验表明，在碱性条件下DS+YD对黄铁矿有抑制作用，而对方铅矿则没有抑制作用；

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In Arctic North America, the Eskimos produced a slow-burning spark by striking quartz against iron pyrites, a compound that contains sulphur.

在北美北极圈地区，爱斯基摩人生产火星通过黄铁矿和石英对撞，产生一种化合物包含硫磺。

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Design of ground pressure observation al meshwork of Xinqiao Pyrites Mine

新桥硫铁矿井下地压观测网的设计研究

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In addition, the pyrites in middle stage show stronger thermoelectricity than those of the early and late stages.

中阶段黄铁矿热电性较强。

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experiments on re-concentration of the pyrites tailings with the gravity process by shaking table and the flotation process were carried out.

采用摇床重选工艺和浮选工艺对某硫铁矿尾矿进行了再选试验研究。

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Improvement on the method for Determination of Iron in Pyrites by Potassium Dichromate Titrimetry with Aluminium Tablet Reduction

六氰合铁（Ⅲ）酸钾铝片还原-重铬酸钾滴定法测定硫铁矿中铁的改进

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Study on Production of Manganese Sulfate by Dry Processes Method With Pyrolusite and Iron Pyrites

两矿干法制取工业硫酸锰的实验研究两矿加浓硫酸熟化法生产硫酸锰

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