查询词典 low grade ore

Depending on the characteristics of the low grade oxidized ore on the surface in Woxi,and by small scaled column leaching tests and commercially scaled heap leaching tests,a flowsheet of heap leaching-carbon adsorption-disadsorption and electrowinning was applied,where masking agent was used to reduce the influence of Arsenic and antimonial on cyanidation.

根据沃溪区低品位地表氧化矿矿石的性质特点，通过小型柱浸试验和堆浸工业试验，采用堆浸—活性炭吸附—解吸电解工艺处理该矿石，工艺中采用隐蔽剂以消除砷、锑矿物对氰化的影响，金回收指标较好，经济效益可观。

A variety of chert containing magnetite and hematite; mined as a low-grade iron ore.

一种含磁铁矿和赤铁矿的燧石，作为一种低等的铁矿石被开采。

To Dabaoshan copper ore, at slurry concentration of 10%, lixivium pH of 2. 0, with the domesticated bacterial, copper extraction could reach 27. 84% after 25 days leaching in sample 1〓, in which low grade copper sulfide ore is the main component; in sample 2〓, hypo-sulfide ore is the main component, copper extraction could reach 77. 78% after 10 days leaching.

大宝山铜矿石细菌浸出工艺条件试验研究表明，对于以低品位硫化矿为主的1〓矿，当矿浆浓度为10％、浸出液pH2.0，采用驯化的菌种浸出25天，Cu浸出率可达27.84％；在相同浸出条件下，对于以次生硫化矿为主的2〓矿，浸出10天，Cu浸出率可达77.78％。

High-grade ore, particularly low-low sulphur phosphorus titanium.

矿石品位高，尤其是低硫低磷低钛。

The effective treatment of low-grade sulfurous ore and the recovery of valuable minerals are of great significance for the sustainable development of mine and for the pollution reduction of low-grade pyrite.

寻找处理低品位硫矿石的有效方法，回收宝贵的有价矿产资源，对矿山的可持续性发展，减少低品位硫铁矿对环境造成的严重污染具有重要的意义。

Focus on the situation that a certain number of low grade nonindustrial ore existed in Nanfen Iron Mine ,the feasibility and necessity of recovering and utilizing the low grade nonindustrial ore is expounded mainly from the viewpoint of the rational utilization o

针对南芬铁矿采场存在一定数量低品位非工业矿石的实际情况，主要从资源合理利用的角度阐述了回收利用低品位非工业矿石的可行性和必要性。

Oe the basis that stockpiling low grade ore necessitates the expense of rehandling, process the low grade ore directly from the pit, thus freeing up potential storage volume for waste rock.

在储蓄低等级矿石成为直接从矿坑中直接处理，加工这些矿石的必要一节后，要尽可能的寻找跟占用空间来处理废石。有些意思是猜的。

In order to overcome disadvantages of conventional leaching technique such as high energy consumption and low productive benefit, and get better utilization of uranium resource, the study on uranium extraction from certain alkaline uranium ore with heap leaching process have been carried out according to the characteristics of the ore such as high content of carbonate and low grade of uranium.

为了克服常规工艺高能耗、低效益的缺点，充分利用铀矿资源，针对某碱性铀矿石碳酸盐含量高、铀品位低的特点，开展了堆浸法提取铀的研究。

Although much of the high-grade ore has been used, there remains enough low-grade ore to last for centuries

品位高的富铁矿已经开采很多，品位低的铁矿还够开采若干个世纪。

The quality of these small mines are poorly managed and the economic benefits for the plan, and some in the ore-doped large number of non-ferrous metal debris, some with low-grade ore exports of high-grade pretending.

而这些小矿山质量管理落后，为图经济利益，有的在矿石中掺杂大量的非铁矿杂物，有的以低品位矿石冒充高品位出口。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。