硫化矿石自燃的防治一直是含硫矿床面对的主要安全问题。
The prevention and control on spontaneous combustion of sulfide ores are always the main safety problem for sulfide ore deposits.
最后针对硫化矿石自燃的机理及综合防治技术研究做出了展望。
In the end, the prospects over the future research on mechanism and control measures for spontaneous combustion of sulfide ores were set forth.
为了用重选法回收锡石，大厂锡矿需先用粗粒优先浮出硫化矿石，但分选比较困难。
In order to recover cassiterite by gravity separation, it is necessary to separate sulphide minerals from the Dachang cassiterite ores by coarse preferential flotation.
由于不同类型的硫化矿石氧化性不同，暴露在空气中的表面活性不同，其耗氧速率也不同。
Both the surface activates exposed in air and their oxygen consumption rate are different due to the different oxidizability of sulfide ores.
作者通过总结以往的评价方法，并在做了大量实验的基础上，建立了针对硫化矿石氧化自燃危险性的综合评价体系。
In this paper, the authors summarized existed assessment methods of spontaneous fire of sulfide ores, and established a new risk assessment system based on experiments and literature review.
硫镉矿一种黄褐色或红色的矿石，硫化镉，为镉的唯一的矿石。
A yellow to brown or red mineral, CdS, the only ore of cadmium.
根据大姚铜矿硫化矿的矿石性质及生产现状，寻找新的辅助捕收剂来提高选别的各项指标，作为指导选厂生产及提高效益的理论依据。
According to the properties of sulfide ore and current situation of production, additional collecting agent of new type is used for improving various technical parameters and economic benefit.
根据矿石性质，对多金属硫化锑矿中的有价金属进行了综合回收试验。
The test of comprehensive recovery of valuable elements in polymetallic antimony sulfide was carried out according to the properties of the ore.
利用细菌的作用对低品位硫化铜矿石进行浸出，能有效地促进硫化铜矿物中铜的浸出，提高铜浸出率。
It is effectively on accelerating leaching speed of copper sulfide and increasing leaching rate of copper that bacteria ACTS on low grade copper sulfide ore.
仅通过添加少量电化学调整剂实现了硫化共生矿石的无捕收剂电化学浮选。
The collectorless electrochemistry flotation of commensal sulphur minerals is realized by adding a small quantity of electrochemical regulators.
矿石为贫硫化物型矿石。
镁铁质岩浆同化地壳是获取硫得以产出硫化物矿石的必要条件。
Assimilation of the crustal materials by the mafic magma from the crust is a necessary condition of obtaining s and forming sulfide ores.
加拿大西部块状硫化物矿石普遍地发生过硫化物的压溶和增生。
Sulphide minerals as well as gangues in these deposits have suffered intense pressure solution, and the sulphides have undergone multi_stage overgrowth.
某低品位氧化型金矿石含有少量硫化物。
The oxidized ore with a lower grade of gold contains a little sulfide.
金川硫化铜镍矿石现采用全硫化矿物混合浮选工艺，产出铜镍混合精矿。
All sulphide mineral flotation is adopted in Jinchuan to produce nickel-copper mixed concentrate.
硫化原生矿，含泥量少浮选易富集，回收率较高的矿石，常采用浮选-精矿氰化工艺。
The floatation-ore concentrate cyanidation process is usually used for vulcanized primary ore and the ores with low silt content and high recovery rate that are easy to concentrate during floatation.
矿石矿物主要由金属硫化物矿物及稀有、贵金属元素矿物组成。
The ore and mineral are made up of metal and sulphide mineral and scarce , expensive metallic element mineral.
自然金主要赋存在少硫化物蚀变岩型金矿石中，自然金分布不均匀。
There is less natural sulfide deposits are mainly conferred altered rock type gold ore, the uneven distribution of natural gold.
地处鄂东南的某硫铁矿，矿石性质和周边的硫化矿有较大的区别。
The pyrite mine is located in the southeast Hubei Province. Properties of the ore are quite different from those of pyrite found in the surrounding areas.
含铜金矿石的细菌氧化作用导致硫化物溶解，铜呈硫酸铜形式被脱除。
The experiment on bacteria oxidation preprocessing gold ore at Pangjiahe is introduced in this paper.
本文报导从氧化铅锌矿石中浮选硫化铅矿物的新捕收剂PN及相应的抑制剂BD_1。
The new PN collector and BD_1 depressant for floating lead sulphide mineral from lead and zinc oxide ore are introduced in this paper.
矿石为典型少硫化物型，金属矿物含量极少(1% - 2%)，主要有黄铁矿、黄铜矿、褐铁矿和自然金、银金矿等。
The typical characteristic of the ore is low sulfide. The metallic mineral has very few content (1%-2%), the mineral of ore is mainly of pyrite, chalcopyrite, limonite, aurum and electrum etc.
磁铁矿中钛含量低，矿石中硫含量低，罕见铅锌硫化物矿物。
The contents of ti in magnetite and s in ore are low, with a very small amount of Pb-Zn sulfide minerals.
工艺矿物学研究，查明了矿石中铜矿物的赋存状态，由此制定了氧化铜矿硫化浮选和细菌浸出两种处理工艺。
By investigating the process mineralogy, the occurrence states of copper in the ore were found out, thus the treatments of sulphidizing flotation and bacteria leaching of copper oxide ore were made.
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。
The Eskimos produced a slow-burning spark by striking quartz against iron pyrites.
吉家洼金矿床矿石属少硫化物型金矿石，矿物种类丰富，金属矿物含量约5 %，脉石矿物含量约95 %。
The ores of Jijiawa gold deposit are ores with low content of sulfide. The minerals are rich in the ores. The contents of mineral and rocky mineral are about 5% and 95% respectively.
成矿阶段包括石英脉、黄铁矿石英、黄铁矿细脉、多金属硫化物、方解石石英阶段，多金属硫化物阶段为主要成矿阶段。
The mineralization stages include: quartz, pyrite-quartz, pyrite veinlet, multi-metal sulfide and calcite-quartz. The multi-metal sulfide stage is the main mineralization stage among them.
由硫化物或氧化物铜矿石冶炼得来的纯铜，可用以铸钱及制作器物。
Sulphide or oxide copper ore from the smelting of copper obtained can be used to mint coins and artifacts produced.
由硫化物或氧化物铜矿石冶炼得来的纯铜，可用以铸钱及制作器物。
Sulphide or oxide copper ore from the smelting of copper obtained can be used to mint coins and artifacts produced.
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