微生物种类及其作用机理是浸出低品位矿石的关键所在。
The categories of the bacteria and its leaching mechanism are key factors for the bioleaching of low-grade ore.
就金亭岭矿业有限公司生产现状，对低品位矿石的可回收品位进行了探讨。
This thesis will discuss the extractable grade of low grade ore according the production state of Jintingling Mining CO, ltd.
该流程对我国类似资源贫化型矿山低品位矿石的预选，具有较好的借鉴作用。
This process is a good example and also a feasible way for other similar mines with same problems of low grade ore and diluted resources to follow.
焦作市铝土矿储量极为丰富，但以低品位矿石为主，必须经过选矿富集，方可达到利用之目的。
The bauxite reserve in Jiaozhuo is very rich, but most of it is low grade. So, it can be utilized for aluminum metallurgy only after being enriched by mineral processing.
我国天然金红石资源储量较大，但绝大部分为低品位的原生矿石，所以加工成本高，产品缺乏市场竞争力。
Rutile resource is rich in our country, but rutile ore grade is low and the product is poor competitive because of its high production cost.
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.
某铜矿石铜品位低，氧化率高，碱性脉石含量高，嵌布粒度很细，属于典型的难处理氧化铜矿。
The oxidized copper ore is low copper grade, complex minerals composition, fine-grained dissemination, high oxidation level, and high content of alkaline gangues.
采用堆浸法处理低品位金矿石，在西北各主要产金省已取得了很好的经济效益。
Heap leaching to low grade gold ore in the Northwest District has been proven a profit making method.
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.
勐兴铅锌矿矿石品位低、埋深大，且面临资源匮竭。
The Mengxing Pb Zn deposit with low ore grade and deep buried is facing the situation of resources exhausted.
矿石以低品位构造蚀变岩型为主，褐铁矿、铁矿是主要的载金矿物。
It's a mid scale and its ore belongs to low grade structural altereds tyle, limonite, pyrite are mainly gold carriers.
采用堆浸法处理低品位金矿石，在西北各主要产金省已取得了很好的经济效益。
Heap leaching to low grade gold ore in the Northwest District has been proven a profit making method. The paper introduces environment protection practices in several mines.
我国是铁矿石资源贫乏国家，矿石品位低，开采成本高。
In our country, the resource of iron ore is scarce; ore content are lean and the cost of exploitation is high.
选矿厂的铜钼选矿系统出现了透辉石类含铜钼矿石，使钼浮选钼精矿品位不稳定、回收率低。
With the grade of molybdenum concentrate unsteady, the recovery is low in processing production of the concentrator.
铜绿山铜铁矿氧化铜矿石品位低，泥和碱性脉石含量高，属难选氧化铜矿。
Oxidized copper ore from the Tonglushan copper iron Mine, low in copper grade and abundant in mud and alkali gangue, is difficult to concentrate.
堆浸是处理低品位含金矿石的有效方法，目前用堆浸法生产的黄金产量已占世界黄金总产量的30%以上。
Heap leaching is an effective means of the processing of low grade gold mine. The gold output produced by heap leaching accounts for 30% of the total gold output in the world.
论述了化学选矿新工艺处理铜绿山铜矿低品位高含泥难选氧化铜矿石的可行性；
The oxidized copper ore of Tonglushan Copper-iron Mine has low copper grade and abundant mud, and is hard to treat.
我国天然金红石资源绝大部分为低品位的原生矿石，榴辉岩型金红石床具有规模大，矿体厚，易于勘探和开采等特点。
The resources of natural rutile in our country is primary low-grade ore, eclogite-type rutile deposit is characterized as large, thick ore body, easy to exploration and mining.
主要研究内容和结果如下：工艺矿物学研究表明：矿石属强烈氧化的单一低品位铜矿石。
The main research contents and results were as follows: The process mineralogy research showed that: The ores belonged to strong oxidative low-grade single oxide ores.
我国钢铁需求已经趋缓，目前国内铁矿石进口的增加主要是由钢铁出口造成的，未来几年我国铁矿石需求将趋于稳定，铁矿石高价位会刺激我国低品位铁矿资源的大量开采。
Since the domestic output can not meet the need of growing demand from steel industry, our country began to import iron ore and the import volume every year increased rapidly.
我国钢铁需求已经趋缓，目前国内铁矿石进口的增加主要是由钢铁出口造成的，未来几年我国铁矿石需求将趋于稳定，铁矿石高价位会刺激我国低品位铁矿资源的大量开采。
Since the domestic output can not meet the need of growing demand from steel industry, our country began to import iron ore and the import volume every year increased rapidly.
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